ML18247A510

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L-2018-136-Attachment 5 Enclosure 1 - Joint Application for Individual Environmental Resource Permit/Authorization to Use State-Owned Submerged Lands/Federal Dredge and Fill Permit
ML18247A510
Person / Time
Site: Turkey Point  
Issue date: 08/08/2018
From:
Florida Power & Light Co
To:
Division of Materials and License Renewal
Lois James
Shared Package
ML18247A507 List: ... further results
References
L-2018-136
Download: ML18247A510 (108)
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Text

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 1 of 108 Form 62-330.060(1)

JOINT APPLICATION FOR INDIVIDUAL ENVIRONMENTAL RESOURCE PERMIT/

AUTHORIZATION TO USE STATE-OWNED SUBMERGED LANDS/

FEDERAL DREDGE AND FILL PERMIT FLORIDA DEPARTMENT OF ENVIRONMENTAL PROTECTION/

WATER MANAGEMENT DISTRICTS/

U.S. ARMY CORPS OF ENGINEERS

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Effective October I, 2013 US Anny Corps at Engineers.

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 2 of 108 INSTRUCTIONS FOR USE OF THIS FORM:

This form is designed to assist you in submitting a complete application. All applications must include Section A-General Information for All Activities. Sections B through H list typical information that is needed based on the proposed activities, and are only required as applicable. Part 1-C of Section A will guide you to the correct sections needed based on your proposed activities. Applicants are advised to consult Chapter 62-330, F.A.C.,

and the Environmental Resource Permit Applicant's Handbook Volumes I and II for information regarding the ERP permitting process and requirements while preparing their application. Internet addresses for Chapter 62-330, F.A.C. and the Applicant's Handbook, Agency contact information, and additional instructions for this form can be found in Attachment 1.

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"'I Fill in wetlands or waters for a x

x single family residence?

Docks, shoreline stabilization,

x. if seawalls associated with a single x

x applicable familv residence?

Wetland impacts (other than associated with an x

x individual residence)?

Boating facilities, a marina, jetty, x

x x

x if reef, or dredaino?

aaalicable Any work on state owned x

x x

submerged land?

Construction of a stormwater x, if x

x management system?

applicable Constructing a mitigation bank?

x x

x, if x

aaalicable Creating a mine?

x

x. if x

applicable Note-1f you are reqU1red to provide Section B, then you do not have to proVlde any other Sections, unless the activities are on state-owned submerged lands. In that case, Section F will also be required.

If you have any questions, or would like assistance completing this form, please contact the staff of the nearest office of either the Florida Department of Environmental Protection (DEP) or a Water Management District (WMD) (see Attachment 2).

Form 62-330.060(1) *Joint AppllcaUon for Individual Environmental Resource PenniV Authorization to Use State-Owned Submerged Lands/ Federal Dredge and Fill Pennlt rncorporated by reference In subsection 62*330,060(1), F.A.C. (10*1*2013)

Section A. Page 2 of 10 I

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 3 of 108 Section A: General Information for All Activities PART 1: NAME, APPLICATION TYPE. LOCATION. AND DESCRIPTION OF ACTIVITY A.

Name of project, including phase if applicable: Turtle Point and Barge Canal/Basin Water Quality Improvement Projects

8.

This is for (check all that apply):

181 Construction or operation of new works, activities and/ or a stormwater management system 0

Conceptual Approval of proposed works, activities and/ or a stormwater management system 0

Modification or Alteration of existing works activities and I or a stormwater management system.

Provide the existing DEP or WMD permit #, if known: __

Note: Minor modifications do not require completion of this form, and may instead be requested by letter.

0 Maintenance or repair of works, activities and/ or stormwater management system previously permitted by the DEP or WMD Provide existing permit#, if known:_

0 Abandonment or removal of works, activities and/ or stormwater management system Provide existing DEP or WMD permit #, if known: _

0 Operation of an existing unpermltted stormwater management system.

0 Construction of additional phases of a permitted work, activity and/ or stormwater management system.

Provide the existing DEP or WMD permit#, if known: __

C.

List the type of activities proposed. Check all that apply, and provide the supplemental information requested in each of the referenced application sections. Please also reference Applicant's Handbooks I and II for the type of information that may be needed.

0 Activities associated with one single-family residence, duplex, triplex, or quadruplex that do not qualify for an exemption or a General Permit: Provide the information requested in Section B.

Do not complete Section C.

Activities within wetlands or surface waters, or within 25 feet of a wetland or surface water, (not including the activities associated with an individual residence). Examples include dredging, filling, outfall structures, docks, piers. over-water structures, shoreline stabilization, mitigation, reclamation, restoration/enhancement. Provide the information requested in Section C.

0 Activities within navigable or flowing surface waters such as a multi-slip dock or marina, dry storage facility, dredging, bridge, breakwaters, reefs, or other offshore structures: In addition to Section C, also provide the information requested in Section D.

Activities that are (or may be) located within, on or over state-owned submerged lands (See Chapter 18-21, F.A. C. https:llwww. flrules. orglgateway/ChapterHome.asp ?Chapter= 18-21 ): In addition to Section B or C, also provide the information requested in Section F Form 62-330.060(1) - Joint Application lor Individual Environmental Resource Pennll/ Authorization lo Use State-Owned Submerged Lands/ Federal Dredge and Fill Penni!

Incorporated by reference In subsection 62-330.060(1), F.A.C. (10*1*2013)

Section A, Page 3 of 10

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 4 of 108 D

Construction or alteration of a stormwater management system serving residential, commercial, transportation, industrial, agricultural, or other land uses, or a solid waste facility (excluding mines that are regulated by DEP). Provide the information requested in Section E.

D Creation or modification of Mitigation Bank (refer to Chapter 62-342, F.A.C.

https://www.flrules.org/gateway/ChapterHome.asp?C hapter=62-342): Provide the information requested in Section G.

D Mines (as defined in Section 2.0 of Applicant's Handbook Volume I) that are regulated by the DEP: Provide the information requested in Section H.

D Other, describe:

Please contact the Agency to determine which additional sections of the application are needed. See Attachment 1 for Agency contacts.

D.

Describe in general terms the proposed project, system, works, or other activities. For permit modifications, please briefly describe the changes requested to the permit:

The Turtle Point and Barge Canal/Basin Water Quality Improvement Projects (Project), located at the Turkey Point Power Plant in Homestead, Miami-Dade County. The Project is intended to improve water quality within approximately 1.9 acres of remnant canal and 5.6 acres of barge basin immediately adjacent to the Turkey Point Cooling Canal System (CCS) and within Biscayne Bay.

The Project site was previously the outflow point from the Grand Canal for the Turkey Point Fossil Plant Units 1 & 2. The canal was dredged to approximately *20 to -28 feet NAVO during the initial construction of the Plant in order to allow once through cooling water to be discharged into Biscayne Bay. The canal has since been plugged and is no longer in use or necessary due to the construction of the CCS system. The remnant canal and adjacent area of scour from outflows is proposed to be backfilled in order to improve water quality within Biscayne Bay. The Project site is adjacent to the fuel tanks within the existing Turkey Point Nuclear Power Plant and the basin is used to dock barges. The canal was dredged to approximately *30 feet NAVO during the initial construction of the Plant in order to allow deeper draft vessels and fuel barges to access the site.

The Barge Canal is proposed to be backfilled (restored) to *15 NAVO in order to improve water quality within Biscayne Bay.

E.

For activities in, on, or over wetlands or other surface waters, check the type of federal dredge and fill permit requested (if known):

Olndividual DProgrammatic General permit#: SAJ 0General 18]Nationwide permit#: NWP 27 D Not Applicable 0Not sure F.

ProjecVActivity StreeVRoad Address or other location (if applicable): 9760 SW 344 Street City: Homestead County(ies): Miami Dade Zip: 33035 Note: For utility, road, or ditch/canal activities, provide a starting and ending point using street names and nearest house numbers or provide length of project in miles along named streets or highways.

G.

Project location map and Section, Township, and Range information (use additional sheets if needed):

Please attach a location map showing the location and boundaries of the proposed activity in relation to major intersections or other landmarks. The map should also contain a north arrow and a graphic scale; show Section(s), Township(s), and Range(s); and must be of sufficient detail to allow a person unfamiliar with the site to find it.

Section(s): 34 Township: 57 Range: SOE Land Grant name, if applicable:

Form 62-330.060(1) - Joint Application for Individual Environmental Resource Permit/ Authorization to Use State-Owned Submerged Lands/ Federal Dredge and Fill Permit Incorporated by reference In subsection 62*330.060(1), F.A.C. (10*1*2013)

Section A, Page 4 ol 1 O

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 5 of 108 Section(s):

Township:

Range:

Section(s):

Township:

Range:

H.

Latitude (OMS) 25° 25' 09" Longitude (OMS) 80°19' 42" (Taken from central location of the activity). Explain source for obtaining latitude and longitude (i.e. U.S.G.S. Quadrangle Map, GPS, online resource):

I.

Tax Parcel Identification Number(s):

[Number may be obtained from property tax bill or from the county property appraiser's office; if on multiple parcels, provide multiple Tax Parcel Identification Numbers]

J.

Directions to Site (from major roads; include distances and landmarks as applicable): Florida Turnpike south to Exit 2. Turn left onto Campbell Drive, turn left onto SW 162f'd Ave, turn left onto SW 344 St, head east to Turkey Point Power Plant.

K.

Project area or phase area: 7.5 acres L.

Name of waterbody(ies) (if known) in which activities will occur or into which the system will discharge:

Biscayne Bay The following questions (M-0) are not applicable to activities related to a single-family residence, Including private single-family residential docks, piers, seawalls or boat ramps.

M.

Is it part of a larger plan of development or sale?

Dyes Ono N.

Impervious or semi-impervious area excluding wetlands and other surface waters (if applicable):

acres or square feet

0.

Volume of water the system is capable of impounding (if applicable):

acre-feet.

PART 2: SUPPLEMENTAL INFORMATION, AND PERMIT HISTORY A. Is this an application to modify an existing Environmental Resource Permit, or to construct or implement part of a multi-phase project, such as a project with a Conceptual Approval permit?

D Yes D No If you answered ".Yes~ please provide permit numbers below:

AGENCY DATE PERMIT/APPLICATION NO.

PROJECT NAME B. Indicate if there have been any pre-application meeting(s) or other discussions about the proposed project, system or activity. If so, please provide the date(s), location(s) of the meeting, and the name(s) of Agency staff that attended the meeting(s):

I AGENCY I DATE I LOCATION I MEETING ATTENDEES Form 62-330.060(1) *Joint Application for Individual Environmental Resource PenniV Authorization to Use State-Owned Submerged Lands/ Federal Dredge and Fill Pennit Incorporated by reference in subsection 62*330.060(1), F.A.C. (10-1-2013)

Section A. Page 5 of 1 O

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 6 of 108 C. Attach a depiction (plan and section views}, which clearly shows the works or other activities proposed to be constructed. Use multiple sheets, if necessary, a scale sufficient to show the location and type of works, and include a north arrow and a key to any symbols used. Specific information to be included in the plans is based on the activities proposed and is further described in Sections B-H.

However, supplemental information may be required based on the specific circumstances or location of the proposed works or other activities.

0. Processing Fee: Please submit the application processing fee along with this application form and supplemental information. Processing fees vary based on the size of the activity, the type of permit applied for, and the reviewing Agency. Please reference Attachment 3 to determine the appropriate fee.

Form 62-330.060(1)- Joint Application for Individual Environmental Resource Permit/ AuthorlzaUon to Use State-Owned Submerged Lands/ Federal Dredge and Fill Permit Incorporated by reference in subsection 62*330.060(1), F.A.C. (10-1-2013)

Section A, Page 6 of 1 O

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 7 of 108 PART 3: APPLICANT AND ASSOCIATED PARTIES INFORMATION Instructions: Permits are only issued to entities having sufficient real property interest as described in Section 4.2.3 (d) of Applicant's Handbook Volume I. Please attach evidence of sufficient real property interest over the land upon which the activities subject to the application will be conducted, including mitigation (if applicable). Refer to Section 4.2.3 (d) for acceptable ownership or real property interest documentation. For corporations, list a person who is a registered agent or officer of the corporation who has the legal authority to bind the corporation.

A. APPLICANT (ENTITY MUST HAVE SUFFICIENT REAL PROPERTY INTEREST) n THIS IS A CONTACT PERSON FOR ADDITIONAL INFORMATION Name: Last: Raffenberg First: Matthew I Middle:

Title:

Company: Florida Power & Light Address: 700 Universe Boulevard JB/JES City: Juno Beach State: FL I Zip: 33408 Home Telephone:

Work Telephone: 561*691-2808 Cell Phone:

Fax:

E-mail Address: matthew.raffenberg@fpl.com Correspondence will be sent via email. Check here to receive correspondence via US Mail: u B. LAND OWNER(S) (IF DIFFERENT OR IN ADDITION TO APPLICANT) n CHECK HERE IF LAND OWNER IS ALSO A CO-APPLICANT Name: Last:

First:

I Middle:

Title:

Company:

Address:

City:

State:

I Zip:

Home Telephone:

Work Telephone:

Cell Phone:

Fax:

E-mail Address:

Correspondence will be sent via email. Check here to receive correspondence via US Mail: u C. OPERATION AND MAINTENANCE ENTITY (see Applicant*s Handbook I, Section 12.3)

Entity Name:

I

Contact:

Last:

I First:

I Middle:

Title:

Company:

Address:

City:

State:

I Zip:

Home Telephone:

Work Telephone:

Cell Phone:

Fax:

E-mail Address:

Correspondence will be sent via email. Check here to receive correspondence via US Mail: u Form 62-330.060(1)

  • Joint Application for Individual EnvlroM1ental Resource Permit/ Authorization to Use State-Owned Submerged Lands/ Federal Dredge and Fill Permit Incorporated by reference In subsection 62*330.060(1), F.A.C. (10*1*2013)

Section A. Page 7 of 10

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 8 of 108 I

0. CO-APPLICANT (IF DIFFERENT OR IN ADDITION TO APPLICANT AND OWNER)

Name: Last:

First:

I Middle:

Title:

Company:

Address:

City:

State:

I Zip:

Home Telephone:

Work Telephone:

Cell Phone:

Fax:

E-mail Address:

Correspondence will be sent via email. Check here to receive correspondence via US Mail: LJ E. ENGINEERING CONSULTANT I I THIS IS A CONTACT PERSON FOR ADDITIONAL INFORMATION Name: Last:

First:

1 Middle:

Title:

Company:

Address:

City:

State:

I Zip:

Home Telephone:

Work Telephone:

Cell Phone:

Fax:

E-mail Address:

Correspondence will be sent via email. Check here to receive correspondence via US Mail: LJ F. ENVIRONMENTAL CONSULTANT 0 THIS IS A CONTACT PERSON FOR ADDITIONAL INFORMATION Name: Last: Vince First: Georgia I Middle:

Title:

Project Manager Company: Tetra Tech, Inc.

Address: 759 S. Federal Highway City: Stuart State: FL I Zip: 34994 Home Telephone:

Work Telephone: 772-781-3441 Cell Phone: 561-236-8692 Fax:

E-mail Address: Georgia.vince@tetratech.com Correspondence will be sent via email. Check here to receive correspondence via US Mail: LJ G. AGENT AUTHORIZED TO SECURE PERMIT (IF DIFFERENT FROM CONSUL TANT) l8J THIS IS A CONTACT PERSON FOR ADDITIONAL INFORMATION Name: Last: Shea First: Eric I Middle: M

Title:

Company: Florida Power & Light Address: 700 Universe Boulevard JB/JES City: Juno Beach State: FL I Zip: 33408 Home Telephone:

Work Telephone: 561-691-2993 Cell Phone:

Fax:

E-mail Address: eric.m.shea@fpl.com Correspondence will be sent via email. Check here to receive correspondence via US Mail:

Form 62-330.060{1)

  • Joint Application for Individual Environmental Resource Permit/ Authorization to Use State-Owned Submerged Lands/ Federal Dredge and Fiii Permit Incorporated by reference in subsection 62*330.060(1), F.A.C. (10*1*2013)

LJ Section A. Page 8 of 1 o I

I I

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 9 of 108 ff necessary, please add additional pages for other contacts and property owners related to this project.

PART 4: SIGNATURES AND AUTHORIZATION TO ACCESS PROPERTY Instructions: For multiple applicants please provide a separate Part 4 for each applicant. For corporations, the application must be signed by a person authorized to bind the corporation. A person who has sufficient real property interest (see Section 4.2.3 (d) of Applicant's Handbook Volume I) is required in (B) to authorize access to the property, except when the applicant has the power of eminent domain.

A. By signing this application form, I am applying for the permit and any proprietary authorizations identified above, according to the supporting data and other incidental information filed with this application. I am familiar with the information contained in this application and represent that such information is true, complete and accurate. I understand this is an application and not a permit, and that work prior to approval is a violation. I understand that this application and any permit issued or proprietary authorization issued pursuant thereto, does not relieve of any obligation for obtaining any other required federal, state, water management district or local permit prior to commencement of construction. I agree to operate and maintain the permitted system unless the permitting agency authorizes transfer of the permit to a different responsible operation and maintenance entity. I understand that knowingly making any false statement or representation in this application is a violation of Section 373.430, F.S. and 18 U.S.C. Section 1001.

Signature of Applicant or App Dale Authorized Agent S.1 ( \\),~ IA.

B. CERTIFICATION OF SUFFICIENT REAL PROPERTY INTEREST AND AUTHORIZATION FOR STAFF TO ACCESS THE PROPERTY:

I certify that:

"i;Zl1 possess sufficient real property interest in or control, as defined in Section 4.2.3 (d) of Applicant's

.fiandbook Volume I, over the land upon which the activities described in this application are proposed and I have legal authority to grant permission to access those lands. I hereby grant permission, evidenced by my signature below, for staff of the Agency and the U.S. Army Corps of Engineers to access, inspect, and sample the lands and waters of the property as necessary for the review of the proposed works and other activities specified in this application. I authorize these agents or personnel to enter the property as many times as may be necessary to make such review. inspection, and/ or sampling. Further, I agree to provide entry to the project site for such agents or personnel to monitor and inspect permitted work if a permit is granted.

OR D I represent an entity having the power of eminent domain and condemnation authority, and I/we shall make appropriate arrangements to enable staff of the Agency and the U.S. Army Corps of Engineers to access, inspect, and sample the property as described above.

Form 62-330.060(1)

  • Joint Application for Individual Environmental Resource Permit/ Authorization to Use State-Owned Submerged Lands/ Federal Dredge and Fill Permit Incorporated by reference in subsection 62-330.060(1), F.A C. (10-1 -2013)

Section A, Page 9 of 10

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 10 of 108 C. DESIGNATION OF AUTHORIZED AGENT (IF APPLICABLE):

I hereby designate and authorize __ to act on my behalf, or on behalf of my corporation, as the agent in the processing of this application for the permit and/or proprietary authorization indicated above; and to furnish, on request, supplemental information in support of the application. In addition, I authorize the above-listed agent to bind me, or my corporation, to perform any requirements which may be necessary to procure the permit or authorization indicated above. I understand that knowingly making any false statement or representation ln this application is a violation of Section 373.430, F.S and 18 U.S.C. Section 1001.

Typed/Printed Name of Applicant Signature of Applicant Date (Corporate Tille if appllcable)

Form 62-330.060(1) - Joint Application for Individual Environmental Resource PermiV Authorization to Use State-Owned Submerged Lands/ Federal Dredge and Fill Permit Incorporated by reference in subsection 62-330.060(1), F.A.C. (10-1-2013)

Section A, Page 10of10

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 11 of 108 SECTION C: SUPPLEMENTAL INFORMATION FOR WORKS OR OTHER ACTIVITIES IN, ON, OR OVER WETLANDS AND/OR OTHER SURFACE WATERS (Note: This section is not required if all the proposed activities are covered in Section B.)

Instructions: This section is for ERP applications that do not involve activities associated with an individual single*

family residence, duplex, triplex or quadruplex. For those activities, please use Section B. This form is to be completed if the proposed work or activity will occur in, on, over, or within 25 feet of a wetland or other suriace water.

The supplemental information required by this section is in addition to the information required by Section A of the ERP application.

PART 1: WETLAND OR OTHER SURFACE WATER IMPACT

SUMMARY

1. Describe the basic purpose of the project or activity:

The Turtle Point and Barge Canal/Basin Water Quality Improvement Projects (Project), located at the Turkey Point Power Plant in Homestead, Miami-Dade County. The Project is intended to improve water quality within approximately 1.9 acres of remnant canal and 5.6 acres of active barge basin immediately adjacent to the Turkey Point Cooling Canal System (CCS) and within Biscayne Bay.

The Project site was previously the outflow point from the Grand Canal for the Turkey Point Fossil Plant Units 1 & 2. The canal was dredged to approximately -20 to-28 feet NAVO during the initial construction of the Plant in order to allow once through cooling water to be discharged into Biscayne Bay. The canal has since been plugged and is no longer in use or necessary due to the construction o! the CCS system. The remnant canal and adjacent area of scour from outflows is proposed to be backfilled in order to improve water quality within Biscayne Bay. The barge basin is adjacent to the fuel tanks within the existing Turkey Point Plant and is used to turn and dock barges. The canal was dredged to approximately -30 feet NAVO during the initial construction ofthe Plant in order to allow deeper draft vessels and fuel barges to access the site.

2. Total area of work (dredging, filling, construction, alteration, or removal) in, on, or over wetlands or other surface waters:

sq. ft.; 7.5 ac.

3.

Total volume of material in wetlands or other surface waters:

a. to be dredged:

cubic yards,

b.

to be filled: 181,000 cubic yards.

4. Identify the seasonal high water level {SHWL) and wetland normal pool elevations for each wetland or surface water within the project site. For tidal wetlands and/or surface waters provide the elevation of mean high and mean low water. Include an aerial photograph showing the location of each sampling location, dates, datum, and methods used to determine these elevations.
5.

Name of waterbody(ies) {if applicable & if known) in which work will occur? Biscayne Bay

6.

Is the activity proposed in an Outstanding Florida Water or Aquatic Preserve?

Form #62*330.060(1) - Joint Application for Individual and Conceptual Environmental Resource Permit/ Authorization to Use State-Owned Submerged Lands/ Federal Dredge and Fill Permit Incorporated by reference in subsection 62-330.060(1), F.A.C. (Effective Date)

Section C, Page 1of12

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 12 of 108

[gl yes, name: Biscayne Bay AP 0 no 0 I don't know

7. Has there ever been a formal or informal wetland determination for the project site? If yes, provide the identifying number and/ or a copy of the jurisdictional map. NIA
8. Provide a map(s) of the project area and vicinity delineating USDA/NRCS soil types. NIA
9. Provide recent aerials, legible for photointerpretation (no photocopies) with a scale of 1p = 400 ft, or more detaited, with project boundaries and wetland boundaries delineated on the aerial. See attached Turtle Point and Barge Canal/Basin Water Quality Improvement Plans
10. Provide existing and proposed maps indicating vegetative community types based on Florida Land Use and Cover Classification System (FLUCCS) (FOOT 1999). For vegetated areas dominated by exotic vegetation, use the FLUCCS code representative of the native community type that was present prior to exotic infestation. See attached Turtle Point and Barge Canal/Basin Water Quality Improvement Plans us Annr Colp*

ofE119ln1en.

Fonn #62-330.060(1) *Joint Application for Individual and Conceptual Environmental Resource Permit/ Authorization to Use State-Owned Submerged Lands/ Federal Dredge and Fill Permit Incorporated by reference in subsection 62-330.060(1), F.A C. (Effective Date)

Section C, Page 2of 12

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 13 of 108

11. Provide existing and proposed maps indicating vegetative community types based on the Florida Natural Areas Inventory Guide to the Natural Communities of Florida. See attached Turtle Point and Barge Canal/Basin Water Quality Improvement Plans
12. Impact Summary Tables (located at the end of this section):
a.

For all projects, complete Table 1, 2 and 3 as applicable.

b.

For shoreline stabilization projects, provide the information requested in Table 4.

13. Adjacent property owners. The following information is required only for projects proposed to occur in, on or over wetlands that need a federal dredge and fill permit and/or authorization to use state owned submerged lands and is not necessary when applying solely for an Environmental Resource Permit. If the activity is located on state owned submerged lands and requires a lease or easement, provide a list of names and addresses from the latest county tax assessment roll of all property owners located within a 500 ft. radius of the proposed lease or easement boundary in mailing label format, or you may elect to send notice to those persons by certified mail, with the return-receipt card addressed to the DEP or water management district, as applicable, in accordance with subsection 18-21.005(3),

F.A.C., and Section 253.115, F.S. For projects that need a federal dredge and fill permit, please provide the names, addresses and zip codes of property owners whose property directly adjoins the project (excluding applicant). Attach additional sheets if necessary.

1.

N/A

2.
3.
4.
5.
6.

PART 2: ENVIRONMENTAL CONSIDERATIONS Note: for many questions, a state rule/Applicant's Handbook Volume I (AH I) section is cited to assist the applicant in addressing these questions. However, additional Federal criteria may apply.

1.

Elimination or Reduction of Impacts (Avoidance and Minimization). Describe measures taken to eliminate or reduce impacts to wetlands and other surface waters (Refer to AH I Section 10.2.1). See attached Turtle Point and Barge Canal/Basin Water Quality Improvement Plans

2.

Fish, Wildlife, Listed Species and their Habitats. Provide results of any wildlife assessments that have been conducted on the project site and provide any comments pertaining to the project from the Florida Fish and Wildlife Conservation Commission and/or the U.S. Fish and Wildlife Service (Refer to AH I Section 10.2.2). See attached Turtle Point and Barge Canal/Basin Water Quality Improvement Plans Form #62-330.060(1) *Joint Application for Individual and Conceptual Environmental Resource PermiV Authorization to Use State-Owned Submerged Lands/ Federal Dredge and Fill Permit Incorporated by reference in subsection 62-330.060(1 ), F.A.C. (Effective Date)

Section C, Page 3 of 12

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 14 of 108

3. Water quantity impacts to wetlands and other surface waters (Refer to AH I Section 10.2.2.4 and AH II).

a, Does the activity include a proposed stormwater water management system with a control elevation different than the wetland normal pool elevation(s) of existing or proposed created wetlands or other surface waters? No

b. If yes to (a), provide documentation (e.g. drawdown assessment or other methods) that shows the proposed surface water management system will not change the hydroperiod of the existing or created wetland or other surface water.
4. Public Interest Test. Please describe how the proposed activity will not be contrary to the public interest, OR if such an activity significantly degrades or is located within an Outstanding Florida Water (OFW), that the regulated activity will be clearly in the public interest (Refer to AH I Section 10.2.3).
a. Please describe how the project will be designed to avoid adverse affects to public health, safety, or the welfare or the property of others. The proposed project is a water quality improvement project
b. Please describe how the project will be designed to avoid adverse affects to the conservation of fish and wildlife, including endangered or threatened species, or their habitats. The project is backfilling of a remnant canal and active barge basin and will improve water quality and habitat.
c. Please describe how the project will be designed to avoid adverse affects to navigation or the flow of water or cause harmful erosion or shoaling. The Turtle Point canal is to be restored to

-7 NAVO with the west 1/3 of the canal to +1 NAVO and therefore will not affect navigation.

The Barge Canal/Basin is to be restored to -15 NAVO allowing for continued use for vessel access. The backfilling will not cause erosion or shoaling as this area does not have a large tidal range and minimal current.

d.

Please describe how the project will be designed to avoid adverse affects to the fishing or recreational values or marine productivity in the vicinity of the activity, The project will improve water quality and therefore improve marine productivity in the vicinity.

e. wm the project be of a temporary or permanent nature? Permanent
f.

Please describe how the project will be designed to avoid adverse impacts to significant historical and archaeological resources, under the provisions of section 267.061, F.S. Historical and archaeological resources would have been previously dredged during the construction of the canal and basin and CCS system.

g. Please describe how the project will be designed to avoid adverse affects to the current condition and relative value of functions being performed by areas affected by the proposed regulated activity. The project will improve water quality and therefore improve the current condition.
5. Water Quality. Provide a description of how water quality will be maintained in wetlands and other surface waters that will be preserved or will remain undisturbed, both on and offsite. Please address both short-term (such as during construction) and long-term water quality considerations (Refer to Fonn #62-330.060(1 * *Joint Application for tndfvldual and Conceptual Environmental Resource PennlV Authorization to Use State-Owned Submerged Lands/ Federal Dredge and Fill Pennit Incorporated by reference in subsection 62-330.060(1 ). F.A.C. (Effectrve Date)

Section c. Page 4of12

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 15 of 108 projects in order to contain any suspended materials. Turbidity monitoring will be performed to ensure water quality criteria are maintained.

6. Class II Waters; Waters approved for shellfish harvesting (Refer to AH I Section 10.2.5).
a. Will the project occur in Class II that are NOT approved for shellfish harvesting? If yes, please provide a plan or procedure detailing the measures to be taken to meet the requirements of AH I Section 10.2.5(a). No
b.

Is the project located adjacent to or in close proximity to Class II waters? If yes, please provide a plan or procedure detailing the measures to be taken to meet the requirements of AH I Section 10.2.5(b). No

c.

Is the project located in Class II or Class Ill waters that are classified as "approved\\ "restricted",

"conditionally approved", or "conditionally restricted"? If yes, demonstrate that the project meets the requirements of AH I Section 10.2.S(c). No

7. Vertical seawalls. Are vertical seawalls proposed in an estuary or lagoon as part of the project? If yes, please describe how the project meets the requirements of AH I Section 10.2.6. No
8. Secondary Impacts (AH I Section 10.2.7).
a.

Will an upland buffer, with a minimum width of 15' and an average width of 25', be provided between the proposed activities and existing wetlands or wetlands to be preserved, enhanced, restored, or created? Provide the location and dimension of all buffers on the plans.

If not, demonstrate that secondary impacts will not occur or how they will be offset Secondary impacts will not occur during construction activities. All mangroves will be avoided.

b.

If listed species are present or may be present then coordination with wildlife agencies is needed.

Have you coordinated with the FFWCC and/or USFWS? If so, please provide correspondence from the wildlife agencies indicating concurrence with the species management plan(s). Wildlife agencies have not been contacted.

c. What measures will be taken to avoid impacts to wetland-dependent wildlife and/or listed species that use uplands for nesting or denning? Endangered and Threatened species training will be provided to all construction personnel. Manatee observers will be stationed on-site during all in-water construction activities. Standard Manatee Construction Conditions and Standard Smalltooth Sawfish Construction Conditions will be implemented.
d.

Describe whether there are any other relevant activities that are very closely linked and causally related to any proposed dredging or filling in wetlands or other surface waters that have the potential to cause impacts to significant historical and archaeological resources. No.

e. Are there additional future phases or extensions of the proposed activities that are not shown? If yes, please describe. No
9.

Cumulative Impacts. Is the proposed mitigation located within the same drainage basin (Refer to AH I Figures 10.2.8.1 -

10.2.8.5) as the proposed wetland impacts?

If not, please submit a Cumulative Impact Evaluation in accordance with AH I Section 10.2.8.

Form #62-330.060(1) - Joint Application for Individual and Conceptual Environmental Resource PermiV Authorization to Use State*Owned Submerged Lands/ Federal Dredge and Fill Permit Incorporated by reference in subsection 62*330.060(1), F.A C (Effective Date)

Section C, Page 5 of 12

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 16 of 108

10. Mitigation Plan (Refer to AH I Section 10.3).
a. If a mitigation bank is proposed to offset wetland/other surface water impacts, provide:

I.

the name of the bank:

. A letter of reservation from the banker will be required once the application has been evaluated.

ii.

tf the mitigation bank was assessed using UMAM, provide UMAM worksheets for impact area{s). If the bank was assessed using a method other than UMAM, then prepare the impact assessment using the same method.

b. If mitigation is proposed to offset wetland/other surface water impacts, please provide a mttigation plan that includes, at a minimum, the following:
i. 0 Proposed mitigation narrative:

(1) 0 Describe the current and proposed condition for each type of mitigation component (restoration, enhancement, creation, preservation), including:

(a) 0 Describe current and proposed vegetation (b) 0 Describe current and proposed hydrologic conditions for the proposed mitigation.

(c) 0 Describe the soil types from NRCS maps and confirm if actual soil conditions appear to match.

(2) 0 Provide details of the proposed construction/mitigation activities including phasing and timing, as appropriate.

(3) D Identify measures that will be implemented during and after construction to avoid adverse impacts related to the proposed activities.

{4) 0 A mitigation implementation and monitoring schedule with dates.

{5) 0 Identify the success criteria.

(6) 0 Describe the anticipated site conditions in and around the mitigation area after the mitigation plan is successfully implemented.

(7) 0 Provide a comparison of current fish and wildlife habitat to expected habitat after the mitigation plan is successfully implemented.

ii. 0 Provide a Management Plan that Includes, as appropriate, aspects of operation and maintenance, including water management practices, vegetation establishment. exotic and nuisance species control, fire management, and control of access.

iii. 0 Maps:

(1) 0 Soil map (include soil names/codes, hydrologic soil groups and hydric soil types).

(2) 0 Topographic map of the mitigation area and adjacent contributing and receiving areas.

(3) D Hydrologic features map of the mitigation area and adjacent contributing and receiving areas.

(4) 0 Vegetative communities map {using FLUCCS or other appropriate classification system).

(5) 0 For all maps, indentify source.

iv.

Provide the necessary supporting information for the appfication of sections62-345.400 -

.600 (Uniform Mitigation Assessment Method (UMAM)). To meet this requirement.

submittal of UMAM worksheets is acceptable for impact and mitigation areas.

Form #62-330.060(1) - Joint Application for lnd1v~dual and Conceptual Environmental Resource Permit/ Authorization to Use State-Owned Submerged Lands/ Federal Dredge and Fill Permit Incorporated by reference in subsection 62~330. 060(1), FAC. (Effective Date)

Section C, Page 6 of 12

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 17 of 108

v. If onsite and/or offsite applicant-responsible mitigation is proposed, submit a draft Conservation Easement document or other form of restrictive covenant that provides for protection of the mitigation area in perpetuity. Standard forms, as described in subsection 62-330.301(6), F.A.C., are available from the Agency or on its website.

vi.

If onsite and/or offsite applicant-responsible mitigation is proposed, submit a cost estimate for completing the mitigation, including monitoring and maintenance.

vii. If onsite and/or offsite applicant-responsible mitigation is proposed and the proposed mitigation exceeds $25,000, please provide a draft financial assurance document.

viii. Identify the entity responsible for monitoring, maintenance and long-term stewardship of the mitigation area (i.e. the landowner or homeowner association, not the consultant or contractor that will do the work).

Form #62-330.06011) *Joint Application for Individual and Conceptual Environmental Resource Permit/ Authorization to Use State-Owned Submerged Lands/ Federal Dredge and Fill Permit Incorporated by reference in subsection 62-330.060(1 ), F.A.C. (Effective Date)

Section C, Page 7 of 12

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 18 of 108 PART 3: PLANS PLANS: The information listed in the checklist below represent the typical information required on the submitted project plans. The Plans checklists in each application section are cumulative unless otherwise noted. Separate plans for each application section are not required.

1. D Include the following on the construction plans and cross sections:

a 1:81 An Existing Conditions sheet showing the entire project and wetland/other surface water boundaries. Include the following: Acreage and type (herbaceous, forested or other surface water) of each wetland/other surface water.

b. 1:81 A Proposed Conditions sheet showing the entire project and wetland/other surface water boundaries with construction plan overlay.
c. 0 A Proposed Wetland Impact sheet that include the following:
i. D Acreage and type (herbaceous, forested or other surface water) of each wetland/other surface water to be impacted.

ii. D Proposed upland buffers with dimensions.

iii. D Identify the seasonal high water and wetland normal pool elevations on the plans.

iv. D Separately identify WMD/FDEP and USACE wetland/other surface water impacts if different.

d. D Include wetland boundaries on all construction plan sheets.
2. D If onsite and/or offsite applicant-responsible mitigation Is proposed, submit mitigation permit plans and cross sections including, at a minimum.

a D existing conditions plan sheet identifying upland and wetland communities and acreage of each. topography, drainage patterns, and location of cross-section detail.

b D proposed conditions plan sheet identifying proposed improvements by type (restoration, enhancement, creation, preservation), acreage of each, topography, drainage patterns, and location of cross-section detail.

c. D monitoring plan sheet including proposed improvements, monitoring transects, photostations, and mitigation signage (if applicable).
d. D cross-section and/or profile detail(s) sheet(s) including representative section of each type of mitigation component. Include existing and proposed conditions and representative elevations.
e. D planting schedule, plant species Including common and scientific names divided into three sections (canopy, shrub, herbaceous) by mitigation component, quantity, spacing, size, and elevation range.

Form #62-330.060(1) - Joint Application for Individual and Conceptual Environmental Resource Pennit/ Authorization lo Use State-Owned Submerged Lands/ Federal Dredge and Fill Pennil Incorporated by reference in subsection 62-330.060(1), F A.C (Effective Dale)

Section C, Page 8 of 12

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 19 of 108 TABLE 1 - PROJECT WETLAND (WL) AND OTHER SURFACE WATER (SW) AND IMPACT

SUMMARY

WL & SW ID UMAM ASSESSMENT AREA NAME(S)

WL & SW TYPE WL & SW SIZE (acres)

WL & SW NOT IMPACTED (acres)

TEMPORARY WL & SW IMPACTS PROJECT TOTALS:

Comments:

Codes (multiple entries per cell not allowed):

IMPACT SIZE Wetland & Surface Water ID: Include ID on submitted wetland and surface water impact maps Wetland Type: from an established wetland classification system Impact Type:

D=dredge; F=fill; H=change hydrology; S=shading; C=clearing; O=other Form #62-330.060(1) - Joint Application for Environmental Resource lndivid ual Penn ii/ Authorization to Use State-Owned Submerged Lands/ Federal Dredge and Fill Pennit Incorporated by reference in subsection 62-330.060(1 ). F.A.C. (Effective Date)

IMPACT TYPE PERMANENT WL & SW IMPACTS IMPACT SIZE IMPACT TYPE MITIGATION ID Section C, Page 9 of 12

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 20 of 108 TABLE 2 - PROJECT ON-SITE MITIGATION

SUMMARY

CREATION RESTORATION ENHANCEMENT WETLAND UPLAND OTHER UMAM PRESERVE PRESERVE MITIGATION ASSESSMENT TARGET ID AREA TYPE NAME(S)

AREA AREA AREA AREA AREA AREA (acres)

(acres)

(acres)

(acres)

(acres)

(acres)

I I

I I

I I,

I I

I I

I I

I....

I I

PROJECT TOTALS COMMENTS:

Codes (multiple entries per cell not allowed):

Target Type or Type.. target or existing habitat type from an established wetland classification system or land use classification for non-wetland mitigation Fonn #62*330.060(1) - Joint Application for Environmental Resource Individual Permit/ Authorization to Use State-Owned Submerged Lands/ Federal Dredge and Fill Permit Incorporated by reference in subsection 62-330.060(1), F.A.C. (Effective Date)

Section C, Page 10 of 12

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 21 of 108 TABLE 3 - PROJECT OFF-SITE MITIGATION

SUMMARY

CREATION RESTORATION ENHANCEMENT WETLAND UPLAND OTHER UMAM PRESERVE PRESERVE MITIGATION ASSESSMENT TARGET ID AREA TYPE NAME(S)

AREA AREA AREA AREA AREA AREA (acres)

(acres)

(acres)

(acres)

(acres)

(acres)

PROJECT TOTALS COMMENTS:

Codes (multiple entries per cell not allowed):

Target Type or Type=target or existing habitat type from an established wetland classification system or land use classification for non-wetland mitigation Form #62-330.060(1)

  • Joint Application for Environmental Resource lndivid ual Permit/ Authorization to Use State-Owned Submerged Lands/ Federal Dredge and Fill Permit Incorporated by reference in subsection 62-330 060(1). F.A.C. (Effective Date)

Section c, Page 11 of 12

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 22 of 108 TABLE 4 -SHORELINE STABILIZATION Stabilization Natural Vegetation (living shoreline)

Rip Rap+

Vegetation Rip Rap Seawall + Rip Rap Vertical Seawall Other Shoreline Stabilization Type Size of Rip Rap Type of Rip Rap Linear Ft.

New Linear Ft.

Replaced Linear Ft.

Repaired Linear Ft.

Removed Slope H:

V:

NIA Form #62-330.060(11 - Joint Application for Environmental Resource Individual PenniV Authorization to Use State-Owned Submerged Lands/ Federal Dredge and Fill Permit Toe Width (Ft.)

NIA Incorporated by reference in subsection 62-330.060(1 ), F.A.C. (Effective Date)

Section C, Page 12of12

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 23 of 108 SECTION F: APPLICATION FOR AUTHORIZATION TO USE STATE-OWNED SUBMERGED LANDS Instructions: If you were referred to this section from Section A, please provide the following additional information. Please note that if your proposed project is on state-owned submerged lands and the below requested information is not provided, your application will be considered incomplete. All items required under this section are in addition to those required under other sections, as applicable.

PART 1: TYPE OF AUTHORIZATION REQUESTED Please check the most applicable activity that applies to your project(s):

A. Exceptions: The following activities do not require authorization to use state-owned submerged lands. If you are certain that your project (including all components/phases thereof) qualifies, please indicate accordingly, below, and no further action is required to complete this section.

D Construction or maintenance of a county water or sewer system under Section 153.04 F.S.

D Removal of material from the area adjacent to an intake or discharge structure under 403.813(1 )(f), F.S.

D Removal of organic detrital material under Section 403.813(1 )(r) or (u), F.S.

D Construction of floating vessel platforms under Section 403.813(1 )(s), F.S.

D Trimming or alteration of mangroves under Sections 403.9321 through 403.9334, F.S.

B. Consent by Rule: Except for activities authorized under Section 253.77(4), F.S., no application or written authorization for the use of state-owned submerged lands is required for an activity that complies with the criteria listed in subparagraphs 18-21.005(1 )(b)1. through 5., F.A.C., and that is exempt from the requirements of obtaining a permit under the provisions of:

Section 403.813(1), F.S., paragraphs (a); (b), provided that the structure is the only dock or pier on a parcel and it is not a private residential multi-family dock with three or more slips.

Section 403.813(1 ), F.S., paragraphs (c); (d); (e); (f), provided that no severance fee is required under Rule 18-21.011, F.A.C., and the existing activity has a valid Board of Trustees authorization.

Section 403.813(1), F.S., paragraphs (g); (h); (i), provided that no private residential multi-family dock or pier is constructed.

Section 403.813(1 ), F.S., paragraph (k), provided that any channel markers delineate existing and authorized or permitted navigation channels.

Such activities must still comply with the General Conditions for Authorizations under subsection 18-21.004(7), F.A.C. Agency staff will determine whether the proposed project qualifies for Consent by Rule. Be advised that if your project does not qualify for an Exception or Consent by Rule for one of the reasons listed above, then it will require one of the forms of authorization listed below.

C. Letter of Consent: Written authorization is required for each of the following activities:

D One minimum-size private residential single-family dock (see definition in Rule 18-21.003, F.A.C.).

D Private residential single-family or multi-family docks, piers, boat ramps, and similar existing and proposed activities that cumulatively preempt no more than 10 square feet of sovereignty submerged land for each linear foot of the applicant's riparian shoreline, along sovereignty submerged land on the affected waterbody within a single plan of development (see Form 62-330.060(11 *Joint Application for Individual and Conceptual Environmental Resource Permit/ Authorization to Use State.owned Submerged Lands/ Federal Dredge and Fill Permit Incorporated by reference in subsection 62-330.060(1 ), F.A.C. (Effective Dale)

Sectlon F, Page 1 of 4

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 24 of 108 "preempted area" definition in Rule 18-21.003, F.A.C.).

D Private channels that provide access to an upland single-family or multi-family residential parcel and that measures no more than 10 square feet of sovereignty submerged land for each linear foot of the applicant's riparian shoreline along sovereignty submerged land on the affected waterbody within a single plan of devetopment.

D Seawalls, bulkheads, or other shoreline stabilization structures no more than three feet waterward of mean or ordinary high water.

D Placement, replacement, or repair of riprap, groins, breakwaters, or intake and discharge structures no more than ten feet waterward or the line or mean or ordinary high water.

D Restoration and nourishment of naturally occurring sandy beaches, including borrow areas to be used for five years or less_

D Artificial reefs or fish attractors that are constructed for public use.

D Public docks or piers that are exempt from permit requirements under Section 403.813(1),

F.S., or that qualify as minimum-size docks or piers or are less than or equal to the 1O:1 preempted area to shoreline ratio; public boat ramps; public channels; or public swimming areas, provided that all such structures or activities are owned and operated by governmental entities and any revenues collected are used solely for operation and maintenance of the structure or adjacent public recreational facilities.

D Ski course buoys and ski jumps not associated with revenue-generating water skiing activities.

D Removal of wrecked, abandoned or derelict vessels or structures.

1:8'.1 Habitat restoration.

D. Lease; A state-owned submerged land lease is required for the following activities.

D Private residential single-family or multi-family docks or piers, other docks or piers, boat ramps, or other similar activities that do not qualify for a letter of consent.

D Private residential multi-family docks designed or used to moor three or more vessels within aquatic preserves.

D Docks designed or used to moor ten or more vessels in Monroe County.

D Commercial/industrial docks, as defined in Rule 16-18.004, F.A.C., in Biscayne Bay Aquatic Preserve, as required by paragraph 18-18.006(3)(c), F.A.C.

D All revenue-generating activities.

D Oil and gas exploration and development.

D Open-water mooring fields.

D Mining.

E. Easement A state-owned submerged land easement is required for the following public or private activities.

D Utility crossings and rights of way.

D Road and bridge crossings and rights of way, including such structures built prior to the need to obtain an easement when proposed for modification or repair.

D Grolns, breakwaters, and shoreline protection structures, except when constructed as part of a docking facility that requires a lease.

D Public navigation projects other than public channels.

D Private residential channels that do not qualify for a letter of consent, and channels that provi.de access to revenue-generating facilities In uplands.

D Oil, gas and other pipelines.

D Intake and discharge structures more than 10 feet waterward of the mean or ordinary high Form 62-330.06011) - Joint Application for Individual and Conceptual Environmental Resource Permit/ Authorization to Use State-Owned Submerged Lands/ Federal Dredge and Fill Permit Incorporated by reference in subsection 62-330.060(1 ), F.A.C. {Effective Date)

Section F, Page 2 of 4

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 25 of 108 water line.

D Spoil disposal sites.

D Borrow areas that will be used for longer than five years for beach nourishment.

D Public water management projects other than public channels.

D Treasure salvage (Cultural Resource Recovery).

PART 2: SUBMITTAL REQUIREMENTS If state-owned submerged lands will be affected by your project, we will notify you in writing, and the items in this section will also be required. For expediency, if you acknowledge or believe that your project affects state-owned submerged lands you may submit the items in the appropriate section of Part 2 prior to receiving written confirmation of state ownership.

This will not jeopardize any future claim of ownership.

Unless your proposed project qualifies for an Exception or Consent by Rule, as described in Part 1 A or B, then your application to use state-owned submerged lands must include the following items, as applicable to your project.

A. All applications for Letter of Consent, Lease or Easement must include the following:

D Satisfactory evidence of sufficient upland interest to the extent required by paragraph 18-21.004(3)(b), F.A.C.

~

Detailed statement of the proposed activity.

D If dredging is proposed, an estimate of the number of cubic yards of sovereignty materials to be removed showing how the amount was calculated.

B. Applications for a Letter of Consent shall also include the following:

D Multiple boat slip facilities may require an affidavit certifying that the facility will not be a revenue generating/income producing facility.

D Two copies of a dimensioned site plan drawing(s) with the following requirements:

a.

Utilizing an appropriate scale on 8 1/2" x 11" size paper;

b.

Showing the approximate location of the mean high/ordinary high/or safe upland line;

c.

Showing the location of the shoreline vegetation, if existing;

d. Showing the location of the proposed structures and any existing structures;
e.

Showing the applicant's upland parcel property lines;

f.

Showing the riparian lines; and

g. Showing the primary navigation channels or direction to the center of the affected waterbody.

C. Applications for Leases shall also include the following:

D Lease processing fee as specified in subparagraph 18-21.008(1 )(a)B, F.A.C.

D Location of the proposed activity including: county; section, township and range; affected waterbody; and a vicinity map, preferably a reproduction of the appropriate portion of United States Geological Survey quadrangle map.

D Two prints of a survey prepared, signed, and sealed by a person properly licensed by the Board of Professional Surveyors and Mappers.

a. Use an appropriate scale on 8 1/2"x 11" size paper;
b.

Show the location of ordinary or mean high water;

c.

Show the location of the shoreline vegetation, if existing; Form 62-330.060(1)- Joint Application for Individual and Conceptual Environmental Resource PermiV Authorization to Use State-Owned Submerged Lands/ Federal Dredge and Fill Permit Incorporated by reference in subsection 62-330.060(1), F.A.C. (Effective Date)

Section F, Page 3 of 4

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 26 of 108

d. Show the location of the proposed structures and any existing structures;
e. Show the applicant's upland parcel property lines;
f.

Show the primary navigation channels or direction to the center of the affected waterbody

g.

Show the riparian lines;

h.

Include a legal description of the preempted area to be leased; and

i.

For those lease applications in the Florida Keys, indicate the water depths referenced to mean low water within the lease area and out to the navigation channel.

0 Noticing information as required by subsection 18-21.005(3), F.A.C.

0 Billing Information Form, which provides billing information; sales tax information; and other data required in accordance with Section 24.115(4), F.S.

0 Computation of the total square footage of preempted sovereignty land to be leased.

D. Applications for Easements shall also include the following:

0 Easement processing fee as specified in either (for public easements) paragraph 18-21.009(1 )(g), or (for private easements) paragraph 18-21.010(1)(i), F.A.C.

D Vicinity map.

0 Detailed statement of proposed use and satisfactory evidence of need for installation of telecommunication lines and associated conduits that are subject to the provisions of paragraph 1 B-21.004(2)(1), F.A.C. If the applicant is a local governing body, the request shall be by official resolution or minutes.

0 Two prints of a survey prepared by a Licensed Florida Surveyor and Mapper in accordance with Chapter 61G17, FAC., (see attachment X for survey checklist) and meeting the following requirements:

a. Utilizing an appropriate scale on 8 112" x 11" size paper;
b. Showing boundaries of the parcel sought;
c. Showing ownership lines of the riparian uplands;
d. Showing the line of ordinary or mean high water;
e. Showing the location of the shoreline vegetation, if existing;
f.

Showing the location of any proposed or existing structures;

g.

Showing the riparian lines; and

h.

Legal description and acreage of the parcel sought.

0 Noticing information as required by subsection 18-21.005(3), F.A.C.

Form 62-330.060(1). Joint Application for Individual and Conceptual Environmental Resource Permit/ Authorization to Use State-Owned Submerged Lands/ Federal Dredge and FHI Permit Incorporated by reference in subsection 62-330 060(1 ). FA C. (Effective Dale)

Section F. Page 4 of 4

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 27 of 108 FLORIDA POWER & LIGHT TURTLE POINT WATER QUALITY IMPROVEMENT PROJECT BIOLOGICAL EVALUATION AND RESTORATION PLAN MIAMI-DADE COUNTY, FLORIDA Prepared for:

Florida Power & Light 700 Universe Boulevard Juno Beach, Florida 33408 Prepared By:

Tetra Tech, Inc.

759 South Federal Highway Stuart, FL 34994 July 2016

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 28 of 108 TABLE OF CONTENTSt........................................................................... INTRODUCTION

...................................,..,.........................................................................,..,..,.,,........... 1-1 1.1 Purpose and Need.............................................................................................................. 1-1 2..

BIOLOGIC.AL EV.ALUATION.................................................................................. 2-1

2. 1 Tvlethods............................................................................................................................... 2-1 2.2 Findings................................................................................................................................ 2-2 2.2.1 Submerged Aquatic Vegetation.......................................................................... 2-2 2.2.2 J'Ylangroves.............................................................................................................. 2-7 2.2.3 Uplands.................................................................................................................. 2-7 2.3 Land Cover.......................................................................................................................... 2-7 2.4 Protected Species.............................................................................................................. 2-11
3.

RESTORATION PLAN.......................................................................................... 3-15 3.1 Fill Specifications, Transport, and Staging.................................................................... 3-15 3.2 Turbidity Containment.................................................................................................... 3-t 6 3.3 Habitat Grading and Shoreline and Slope Stabilization.............................................. 3-17 3.4 Tvlangrove planting............................................................................................................ 3-17 3.5 Threatened and Endangered Species Signagc.............................................................. 3-17 3.6 Water Quality Tvlonitoring............................................................................................... 3-18 4..

SUMMARY

........................................................................................................................ 4-1

5.

REFERENCES.......................................................................................................... 5-1 July 2016 ii

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 29 of 108 LIST OF FIGURES Figure 1-1. Project vicinity map................................................................................................................... 1-3 Figure 2-1. SA V cover by species for seagrass and macroalgae as a group.......................................... 2-3 Figure 2-2. St\\ V cover by percent cover class........................................................................................... 2-5 Figure 2-3. Land use and L'lnd cover classification................................................................................... 2-9 Figure 3-5. FWC manatee signage.....................................................................................................................

Figure 3-1. Proposed restoration conceptual plan for filling one third of the TPC.......................... 3-19 Figure 3-2. Proposed staging area and conveyor placement area......................................................... 3-21 LIST OF PHOTOS Photo 3-1. Proposed staging area.............................................................................................................. 3-15 Photo 3-2. Example of covered fill conveyor system............................................................................ 3-16 Photo 3-3. Fill conveyor loading placement barge................................................................................. 3-16 July 2016 iii

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 30 of 108 AP ccs cy DGPS FDEP FOOT FLUCCS FPL f sw ft ftl FWC FWS 111.

Kg m

NAVO NO.A.A NTU Project SAV TPC WGS84 July 2016 Acronyms and Abbreviations Aquatic Preserve Cooling Canal System Cubic yard Differential Global Positioning System Florida Department of Environmental Protection Florida Department of Transportation Florida Land Use and Cover Classification System Florida Power & Light Feet of seawater foot/ feet square feet Florida Fish and Wildlife Conservation Commission U.S. Fish & Wildlife Service inch/ inches kilogram Meter square meters North American Vertical Datum National Oceanic and.Atmospheric Administration nephelometric turbidity unit Turtle Point Water Quality Improvement Project Submerged Aquatic Vegetation Turtle Point Canal World Geodetic System 1984

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 31 of 108

1. INTRODUCTION Tetra Tech Inc.* (fetra Tech) was contracted by Florida Power & Light (FPL) to provide a restoration alternative that would provide additional ecological benefits to the Turtle Point Water Quality Improvement Project (Project), located at the Turkey Point Nuclear Power Plant in Homestead. Miami-Dade County. Per the Florida Department of Environmental Protection (FDEP) issued Consent Order (OGC No. 16-0241) FPL committed to the objective of restoring the Turtle Point Canal (fPC). The Project is intended to improve hydrology and water quality within the TPC by backfilling to -7 NA VD, and create mangrove habitat by backfilling a portion of the canal to approximately + 1 NA VD. Figure 1-1 presents the project location graphically.

FPL Turkey Point Power Plant utilizes a closed loop shallow radiant cooling canal system (CCS) in the operation of a fossil fuel and two nuclear (Units 3 and 4) generating systems. In addition to cooling, the CCS is an industrial wastewater facility receiving runoff from the Plant site, processing water backwash/ concentrate and boiler blowdown from a natural gas combined cycle generation system (Unit 5).

Tetra Tech performed a site survey on May 23, 2016. The purpose of the survey was to conduct a biological evaluation of the TPC and the surrounding areas to assist in the development of the restoration plan. The survey identified protected species and sensitive biological resources within the Project area. The findings presented herein will supply the regulatory agencies 'vith the most up-to-date resource data for the project site. Further, data collected from this survey were used in the restoration design and planning phase to minimize and avoid impacts to resources during project implementation. This report provides a biological evaluation of the project area as well as restoration planning for implementation of the proposed restoration.

1.1 Purpose and Need The purpose of the proposed Project is to fill (restore) the historic Turtle Point discharge canal that is no longer in use, and to improve habitat and water quality adjacent to the plant. The TPC was previously the discharge point from the Grand Canal for the Turkey Point Fossil Plant Units 1 & 2.

The canal was dredged to approximately -20 to -28 feet NA VD during the initial construction of the Plant in order to allow once thru cooling water to be discharged into Biscayne Bay. The canal has since been plugged and is no longer in use or necessary due to the construction of the CCS system.

The remnant canal and adjacent area of scour from outflows is proposed to be backfilled in order to provide for water quality and habitat restoration within Biscayne Bay.

Water quality parameters within the historic discharge canal adjacent to the CCS berm have been monitored as a condition of Ivfiami-Dade County Department of Environmental Resource IVIanagement (IVIDC DERivI) Class I permit No. CLI-2014-0312 since May 2015. A sample collected on September 14, 2015 contained ammonia at a level which exceeded the County's water quality standard of 0.5 mg/L (St'lndard). Ammonia concentrations have intermittently been above MDC DEIUvI standards. FPL performed a feasibility study and has determined that restoration of the remnant canal to a depth of -7ft NA VD will effectively improve the water quality within TPC and subsequently Biscayne Bay.

July 2016 1-1

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 32 of 108 FPL will be backfilling the TPC to -7 NA VD in order to provide for water quality improvements to Biscayne Bay. Additionally, FPL has requested an analysis of obtaining additional environmental lift by restoring a portion of the TPC footprint to mangrove and American crocodile habitat. This habitat creation would be accomplished by backfilling a portion of the canal (western one-third of the TPC) to approximately +1 ft. NA VD. The following provides a detailed description of the restoration being proposed.

July 2016

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 33 of 108 Figure 1-1. Project vicinity map Back of figure July 2016

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 34 of 108 Jyly 2016 1-4

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 35 of 108

2. BIOLOGICAL EVALUATION A biological evaluation (survey) was conducted of the TPC to document on-site and surrounding ecological communities, identify environmental concerns, define restoration goals and objectives, and to make specific recommendations concerning construction activities associated with the restoration actions. The survey reviewed access routes and environmental precautions. Data gathered during the survey provided the information to develop the restoration prescription and design criteria.

A land and submerged water survey was conducted by a professional land surveyor. The topographic survey provided by FPL was used to assist the restoration team in planning, conceptual design, and assessing restoration actions, as well as providing a basis for volumetric calculations of the TPC to yield an estimate of fill quantities.

2.1 Methods Tetra Tech biologists with experience in benthic and mangrove habitat assessments performed a biological evaluation of the TPC and surrounding areas. Figure 2-1 provides the extent of the assessment area. The evaluation included reconnaissance of the TPC and the confluence of the TPC and Biscayne Bay. Submerged aquatic vegetation (SA V) communities were mapped and presence of marine fauna were noted. Mangrove and terrestrial communities were assessed and an inventory of common species and wildlife utilization were documented. Representative images of resources were captured during the assessment.

SA V survey activities were performed using scientific divers, Trimble DGPS, and Hypack 2013 to catalog the distribution and abundance of SAV. The survey was conducted by Tetra Tech scientific divers trained in marine biological resource identification and quantification. Seagrass species and coverage data were collected along evenly-spaced transects. Divers cataloged each transect at a rate of less than 1 knot. Mapping data were transmitted back to the work platform via Pacific Crest Environmental Data Link (EDL II) telemetry. Positioning data were collected in WGS84 (World Geodetic System 1984) datum and transmitted back to the work platform at a rate of 1 data point per second. The Trimble DGPS receives differential corrections from U.S. Coast Guard Continuously Operating Reference Stations and provides sub-meter horizontal accuracy.

Data were processed with Hypack Target Editor and subsequently exported in a.txt format. The raw data were imported into ArcGIS 9 (ArcMap' 9.3) where shapefiles were created and analyzed. Georeferenced maps of seagrass species distribution and abundance were produced.

Seagrass cover was interpolated using the 3D Analyst, Spatial Analyst extensions in ArcMap ' and Xtools Pro (independent [Data East, LLC.) ArcGIS extension). Planar area calculations were performed using Xtools Pro.

Percent coverage was estimated by visually assessing the benthos at regular intervals (approximately every meter) along each transect and assigning a cover value from 0-5. The cover values were assigned based on the observed seagrass/macroalgae percent cover. Greater than 1,000 data points were recorded during field operations and used in the analysis. The SA V cover scale with respective cover ranges is presented in Table 2-1, below.

July 2016 2-1

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 36 of 108 Table 2-1. SAV Cover Scale

2.2 Findings

Cover Scale Value 0

1 2

3 4

5 Percent Coverage 0%

<5%

5*25%

25-50%

50-75%

75-100%

Underwater visibility during dive operations was variable, ranging from 5 to 20 feet (ft.) (1.5 to 6 meters). Currents \\vithin the survey areas were minimal and generally wind driven. Surface water depths ranged from approximately 4 to 10 ft.

Bottom topography is relatively flat outside of the TPC. The interior of the TPC can be characterized as a steep slope from top of bank to the dredge depth of approximately 28 ft. The bottom of the TPC can be classified as barren mud and detritus with no vegetative cover. The sediment outside of the TPC is characterized as a calcareous mixture of silt, sand, shell fragments, and organic material.

Jn general, the in-water survey area was characterized by three benthic community types; barren mud and detritus, macroa1gae, and seagrass. Epibenthic functional groups such as stony corals, sponges, and gorgonians were not encountered during the survey. 0 1ther community types within the greater project area include mangrove and upland levees and roadways. A list of marine and terrestrial species observed during the survey is presented in Table 2-2.

2.2.1 Submerged Aquatic Vegetation No SAV cover was documented within the TPC. In general, barren substrate or epibenthic cover (macroalgae) of less than 1 % was encountered deeper than ft. Macroalgae cover was persistent in the -5 to ft. elevation range, while seagrasses were generally encountered in ft. or less elevation.

Two species of seagrass (Thalassia test11di11111J1 and Halodule wrightti) were recorded during the survey.

Thalassia lest11di1111111 is the dominant seagrass species within the survey area; percent cover ranged from <5 to >75%. Minimal coverage of Halodule wrightii (< 5% cover) was recorded along the fringe of the seagrass community. Figures 2-1 and 2-2 provide SAV coverage by species and percent cover (seagrass by species and macroalgae as a functional group) within the survey area. Table 2-2 provides a list of SAV documented during the survey.

July 2016

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 37 of 108 July 2016 0

75 150 300 Feet I

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25 50 100 Meters 50!Jndings (ft.)

Elevation Cft.)

,-- -28

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-- -24

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-10

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Survey area Halodule wrightii Mactoalgae Figure 2-1. SAV cover by species for seagrass and macroalgae as a group 2*3

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 38 of 108

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Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 39 of 108 Elevation (ft.)

-- -28

-- -26

-- -24

-22

-- -20

-- -18

-- -16

-- -14

-12

-10

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D 25 5D 100 Meters Figure 2-2. SAV cover by percent cover class July 2016 2-6

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Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 41 of 108 2.2.2 Mangroves Mature mangroves are present along the three banks of the TPC. Coverage is generally uninterrupted and is characterized by a narrow zone of red mangroves (Rhizophora 111a11gle). Several narrow canopy openings were noted along the south and west banks allowing for access to the TPC.

White mangrove (Lagtmm/aria racemosa), black mangrove (Avimmia gem1i11a11s), and buttonwood

( Co11ocarp11s erect11s) were also noted along the narrow mangrove fringe.

Mangrove habitat provides a detrital base for organic food webs and significant habitat for arboreal, intertidal, and subtidal organisms, including shellfish, crustaceans, fish, and birds. Additionally, red mangrove prop roots can provide substrate for a diverse epifaunal assemblage. Although important habitat for a variety of species, the narrow fringe of available habitat and the steep slope along the seaward edge provide low quality mangrove habitat. Red mangrove prop roots had little to no epifaunal colonization and the detrital base and associated organisms were generally absent due to the narrow fringe and steep slope of the of the TPC. Although the majority of mangroves within the proposed Project construction areas are on lands disturbed and previously impacted by the construction and operation of the Turkey Point complex, it is probable that they still provide structural habitat for mangrove community wildlife.

2.2.3 Uplands The uplands adjacent to the project site consist of shell rock roads constructed to provide access to the CCS. The uplands are historically filled lands that provide minimal habitat for native species.

The roads will provide access to the project site for construction, but will remain unaffected by the project. Table 2-2 provides a list of vegetation noted during the pedestrian survey.

2.3 Land Cover The FDOT land use, vegetation cover, and landform classification system (FLUCCS) is arranged in hierarchical levels with each level containing information of increasing detail. The system uses four levels (I-IV) \\vithin classification categories; however, for the level of detail required for the analysis presented in this report, categories were limited to level III specificity. A total of four categories are represented \\vithin the project boundary. Figure 2-3 presents the land use, cover, and forms classification system (FLUCCS) graphically. Below is a description of each land cover category.

Channelized Waterway (512) -This category includes the TPC and the cooling canal system (CCS) associated \\vith the Turkey Point Facility Embayments Opening D (541) - This category includes the greater Biscayne Bay area.

Mangrove swamp (612) -This Category describes the mangrove communities that fringe the TPC and are adjacent to the project area.

Dikes and levees (747)-This category describes the levees and roadways that surround the CCS and the proposed staging area south of the TPC.

July 2016 2-7

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 42 of 108 Table 2-2. Marine, Terrestrial, and Avian Species Documented in Turtle Point Canal and Adjacent Upland Area Common Name Scientific Name Birds Common nighthawk Chordeifes minor Brown pelican Pe/ecanus occidenfalis Double*crested cormorant Phalacrocorax auritus Anhinga Anhinga Mockingbird Mimus polyglottis Rusty blackbird Euphagus carolinus Fish Sheepshead

~rchosatyus probafocephalus Flagfin Mojarra

'Eucinostomus melanopterus Tarpon

'Mega/ops aflanticus Mullet

'('Jugil sp.

Mangrove snapper

"-ufjanus griseus Reptiles*

American crocodile

'Crocodylus acutus Submerged Aquatic Vegetation Mermaid's wineglass (green algae)

'Acetabularia sp.

Green algae

'eatophora sp.

Green algae Caulerpa sp.

Green algae

'Halimeda spp.

Shaving brush alga (green algae)

'Penicillus sp.

Turtle grass (seagrass)

Thalassia testudinum Shoal grass (seagrass)

Halodule wrighfii Terrestrial Vegetation Black mangrove Avicennia genninans Tree seaside oxeye Borrichia arborescens Australian pine Casuarina equisetifo/ia Sea grape Coccoloba uvifera Buttonwood Conocarpus erectus White mangrove

'Laguncularia racemosa Buttonsage

'Lantana invo/ucrafa Red mangrove

'Rhizophora mangle Beach Naupaka

~caevola faccada Bay cedar

~uriana maritima L Indirect observation {slide)

July 2016 2-6

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 43 of 108 I

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I July 2016 6120 Mangrove Swamp 6420 Sallwaler Marshes IH 7470 Dikes and Levees l77IOO snno 1711DO l77IOO ll1l20CI 11-Figure 2-3. Land use and land cover classification 2-9

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Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 44 of 108

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Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 45 of 108 2.4 Protected Species The Florida Fish and Wildlife Conservation Commission (FWC) publication Florida's Endangered and Threated Species (Updated January 2016) was used to determine the status of listed species with the potential to utilize the proposed Project site. Listed species observations during the May 23 site visit resulted in a single Federally listed species observation (indirect) on the property. An American crocodile (Croco4Jl11s am/11s) slide was observed at the western end of the TPC. No other sightings of or evidence of other listed species were noted during the survey; however, based on geographic range, several listed species have the potential to utilize the TPC area (Table 2-3).

There are 11 aquatic species known to occur within Biscayne Bay that are protected under the Endangered Species Act or are candidates for listing. These are the American crocodile (Croco4Jl11s amt11s),Johnson's seagrass (Halophilajoh11soniz), the mangrove rivulus (Riv11f11s 111am1orat11s), the small-toothed sawfish (Pristis pecti11ata), five species of sea turtle, the American alligator (Alligator mississippimsis), and the Florida manatee (Trichech11s 111a11at11s). Additionally, a variety of protected avian species are known to occur within the southern Biscayne Bay and the Turkey Point Facility. Table 2-3 includes a list of protected avian species that have been known to utilize the TPC area. Although these species were not documented during the survey, brief discussions of potentially occurring protected species are provided below.

American crocodile (Crocodylus acutus)

The American crocodile is federally threatened and state listed as endangered and the TPC is within an area classified by the U.S. Fish & Wildlife Service as critical habitat for the American crocodile.

Most crocodile nesting occurs in the southwestern comer of the industrial wastewater facility; however, a limited number of nests have been observed on berms within the northern portion of the return canals. Crocodiles are known to utilize the TPC as evidenced by the well-worn slide mark on the western shore noted during the survey.

Eastem Indigo snake (Drymarchon couperi)

The eastern indigo snake is federally threatened and can be found in almost any habitat throughout the state of Florida. Although eastern indigo snakes were not observed during the survey, they are known to occur on site. These snakes may occur in wetland or uplands and may be seen along the shell rock roads located throughout the CCS area at Turkey Point.

Johnson's seagrass (Halophila johnsonii)

Johnson's seagrass, federally listed as a threatened species, occurs along the Florida coast from Sebastian Inlet to central Biscayne Bay at Virginia Key, Key Biscayne. This seagrass species was not observed during the survey and is not known to occur as far south as the Turkey Point plant property.

Mangrove rivulus (Rivulus marmoratus)

The mangrove rivulus, a fish that inhabits crab burrows in mangrove areas, is federally listed as a NOAA Species of Concern and listed by the state as a Florida species of concern. It could be present in mangrove areas fringing the plant site, but is unlikely to be present in the Turtle Point canal due to lack of habitat (no crabs or crab burrows were observed in mangrove habitat during the survey).

July 2016 2-11

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 46 of 108 Small-toothed sawfish (Pn'stis pectinata)

The small-toothed sawfish is a state and federally endangered species that inhabits inshore bars, seagrass beds, and mangrove areas. Due to its preference for these habitat types, the small-toothed sawfish could potentially utilize the Turtle Point canal; however it is unlikely due to the poor habitat quality of the TPC.

Florida manatee (Trichechus manatus)

The manatee is a state and federally endangered species that frequents warm water estuarine habitats including rivers, marshes, bays, and sounds in Florida. They use warm water refuges in the cooler months, including freshwater springs and heated effluent from power plants (No such discharge exists from the CCS). Their critical habitat includes Biscayne Bay and Card Sound adjacent to the Turkey Point plant property and the canals entering these water bodies. Manatees have been observed in the barge tu.ming basin and nearby state canals (NRC 2016), and arc likely to utilize the Bay area east of the TPC where seagrasses are prevalent.

American alh"gator (Alligator mississippiensis)

The alligator is federally listed as Threatened due to similarity of appearance and state lisred as a Florida species of special concern. The species is federally listed as threatened due to its physical resemblance to the American crocodile, which is endangered. Alligators live in swampy areas, rivers, streams, lakes and ponds. Although they are primarily freshwater animals, alligators will also venture into brackish water. Although alligators have been observed and relocated off site from the Turkey Point facility, there arc no reports of alligators utilizing the TPC.

Sea turtles Sea turtles (4 species with protection status of Endangered or Threatened) are found in marine habitats that open to the sea, such as Biscayne Bay and Card Sound. The Turtle Point canal does not provide suitable habitat, and the shoreline adjacent to the canal lacks the beach habitat preferred by sea turtles for nesting.

Wood stork (Myctera americana)

The wood stork is classified as endangered by the FWC and the FWS. This species could potentially use the site as short-term foraging grounds. Wetlands and the perimeter of the TPC could offer limited forage for this species during the wet season. Long term use of the site is limited due to low quantity and quality of the foraging habitat as well the flashy and short duration of inundation on site.

Wading Birds Several wading birds (herons and egrets) are classified by the FWC as species of special concern. The snowy egret (Egret/a 1h11/a), reddish egret (Egrella mbescens), little blue heron (Egrella caemlea),

tricolored heron (Egretta tricolory, Roseate spoonbill (Plata/ea qjaja), and white ibis (E11docin111s alb11s) were not observed on site during the survey; however, limited utilization throughout the year is likely to occur. As described for the wood stork, seasonal utilization is likely when the ditches arc inundated during tl1e wet season. The ponds offer limited and poor quality year-round forage.

Brown pcHcan (Pelecanus occidentalis)

The brown pelican is a state species of special concern that thrives near coasts and on islands.

Brown pelicans rely in part on the actions of marine predators such as large fish, sharks and July 2016 2-12

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 47 of 108 dolphins to force schools of fish to the surface where the pelicans can catch them. Pelicans will breed only in areas with enough food to support the breeding colony. Roosting and resting sites where brown pelicans can dry their feathers and rest without disturbance are also important.

(USFWS 2016). This is the only listed species to be observed during the May 23, 2016 survey.

Least tem (Stema antillarum)

The least tern is a state threatened species that inhabits areas along the coasts of Florida including estuaries and bays. The least tern's diet primarily consists of fish, but they will also feed on small invertebrates. They build nests in shallow depressions in bare beach sand and on gravel berms and rooftops (FWC 2016). Seasonal utilization of the berm adjacent to the TPC is possible during nesting season.

White-crowned pigeon (Patagioenas Jeucocephala)

The white-crowned pigeon is not federally listed however is protected by the U.S. Migratory Bird treaty Act and as a State-designated threatened species. White crowned pigeons inhabit low-lying forest habitats including mangroves around Biscayne Bay, Florida Bay and the Florida Keys. The diet of the white-crowned pigeon consists of tropical hardwood tree fruits. White crowned pigeons were not observed during the survey.

July 2016 2-13

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 48 of 108 Table 2-3. Federally Listed and Florida-State Listed Species Potentially Existing near Turtle Point Canal Common Name Scientific Name Federal State Observed during Status181 Status1*1 survey Birds Roseate spoonbill Ajaia ajaja s

N Little blue heron Egretta caerulea s

N Reddish egret Egretta rofescens s

N Snowy egret Egretta thula s

N Tricolor heron Egretta tricolor s

N White ibis Eudocimus a/bus s

N American kestrel Falco sparverius T

N Bald eagle Haliaeetus leucocephalus DL T

N Wood stork Mycteria americana E

E N

Brown pelican Pelecanus occidentafis s

y White-crowned pigeon Patagioenas feucocephafa T

N Least tern Stema antillarum T

N Fish Mangrove rivulus Rivulus marmoratus soc N

Small-toothed sawfish Pristis pectinata E

N Common snook Centropomus undecimalis s

N Mammals Florida manatee Trichechus fatirostris E

E N

Plants Johnson's seagrass Halophila johnsonii T

N Reptiles Green sea turtle Chelonia mydas E

E N

Eastern Indigo snake Drymarchon couperi T

T N

HawksbiU sea turtle Erytmochelys imbricata E

E N

Leatherback sea turtle Detmochelys coriacea E

E N

Kemp's ridley sea turtle Lepidochefys kempi E

E N

Loggerhead sea turtle Caretta T

T N

American alligator Alligator mississippiensis T (S/A) s N

American crocodile Crocodylus acutus T

E N

(a)

E = Endangered, T = Threatened; T(S/A) = Threatened due lo similarity of appearance C = Candidate for federal esting: S "'

Florida species of special concern; SOC

  • NOAA species of concern, -

= No listing July 2016

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 49 of 108

3. RESTORATION PLAN This section describes the methods and techniques for restoration implementation of the TPC. The proposed restoration consists of filling approximately one-third the length of the TPC to a grade of

+0.7 to +0.9 ft. NAVD for creation of mangrove habitat, then sloping to -7ft. at 3:1 slope, and filling the rest (two-thirds) of the TPC to -7 ft. out to the bay bottom. The proposed plan will require placing approximately 57,000 cy of raw fill material (approximately 17,100 cy of bottom fill and 39,900 cy of select top fill) to fill the canal to proposed specification. Figure 3-1 provides an illustration of proposed alternative. A set of conceptual restoration plan drawings have been prepared under a separate cover.

Fill grade elevations for mangrove habitat were determined by similar successful mangrove restoration projects in south :Miami/ Dade County. The fill volume was calculated using topographic survey data provided by FPL, an estimated boundary (approximately 235 ft.), and a 3:1 slope to a -

7ft. final grade elevation. The volume includes an additional 25% of material to account for inadvertent loss due to compaction, material handling, loss of fines, etc.

The proposed restoration plan will meet the project objective of restoring water quality within the TPC with an additional result of habitat creation. The project schedule should avoid periods of extreme high tides, bird and crocodile nesting seasons, and tropical storm systems. Restoration will consist of a combination of specific activities that include material staging, sediment placement, grading, shoreline stabilization, and mangrove planting. The approach for implementation of the proposed plan is presented below.

3.1 Fill Specifications, Transport, and Staging The fill specification for Turtle Point requires two types of fill: Type - E (bottom fill) and Type - A (select top fill). The bottom fill is a calcium carbonate coarse grain sand with a grain size of less than 10% passing through a range 12 inch to #200 sieve. Bottom fill will be placed from the canal bottom to an elevation of -15.8 ft NA VD along the length of the canal. The select top fill is a calcium carbonate coarse grain sand with a grain size of less than 5% passing through a range #4 to #200 sieve. Top fill will be placed in layer from -

15.8 ft to + 1 ft NA VD along the western third and to -7 ft NA VD along eastern two thirds of the TPC to the opening at Biscayne Bay (see Figure 3-1).

Select top fill and bottom fill should be obtained from local quarries. Fill material meeting the gradation specifications are readily available from local quarries in the quantity needed to fulfill the project needs. There may also be appropriate available fill from on-site sources.

July 2016 3-15 Photo 3-1. Proposed staging area

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 50 of 108 Staging areas are available near the project sire. Photo 3-1 provides an example of a potential staging area; however, the staging area will be identified by the contractor. Fill material will be delivered via truck directly to the staging area along existing roads on the project site.. Fill material will be stored on site. Fill material will be staged in a contained environment to avoid loss of material to adjacent aquatic resources. The staging area will be returned to pre-project conditions following project completion, with final cleanup notification provided to the FPL representative.

Photo 3-2. Example of covered fill conveyor system Loose fill may be transferred using a long-reach excavator and conveyor system or other suitable transfer machinery from the staging area to a material placement barge. Photo 3-2 provides an example of equipment used to efficiently transfer fill material. Typically, the use of a conveyor system (preferred method) provides a low-to no-impact fill material transfer route through the mangroves. Mangrove canopy openings sufficient for installation of the conveyor system were identified during the site assessment. Figure 3-2 identifies a potential location for installation of the conveyor system. All sections of the conveyor system that cross mangrove habitat or any other sensitive habitat will be covered from above and below to limit wind loss of material and to catch any material that may drop from the conveyor system. The covers are generally constructed of half sectioned corrugated style pipe installed above and below the conveyor belt (sec Photo 3-2). Once selected the contractor may propose comparable alternative methods.

A turbidity containment system will be installed prior to construction and will remain throughout the fill operations. At no time will the turbidity containment be breached during the fill operations.

3.2 Turbidity Containment During fill placement activities, turbidity curtains and/ or other barriers will enclose the north shoreline and mouth of the TPC to minimize potential siltation and turbidity of surrounding mangrove and seagrass communities.

Turbidity curtains at the mouth of the TPC will be placed such that the bottom edge of the material is in contact witl1 the bay bottom. Turbidity curtains will be anchored securely for use in high current/ dynamic conditions. Piles (12-in. diameter or greater) will be used across the mouth of the TPC to secure tl1e turbidity Photo 3-3. Fill conveyor loading placement barge curtain. All possible turbidity leak points (scams, bottom of curtain, etc.) will be secured and monitored during filling operations. Turbidity curtains shall be furnished with excess material (flaps) at each end so they may be rolled together to seal the seam created by securing two sections together. Additionally, curtains will have a 3-ft. barrier above the water line to inhibit manatees from entering the fill zone. The turbidity curtains will be highly visible and manufactured from entanglement-free material that is safe to use in the presence of marine mammals, sea turtles, and July 2016 3--16

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 51 of 108 other marine fauna. Curtains will be removed from the TPC post-filling once turbidity within the feature reaches an acceptable level.

3.3 Habitat Grading and Shoreline and Slope Stabilization As described above, approximately 235 linear ft. of the TPC will be filled to a maximum elevation of

+0.73 to +0.93 ft. NA VD. The goal of habitat grading is to create a mosaic of habitat types that may be utilized by reptiles, avifauna, and invertebrates. Additionally, the proposed grading plan will promote drainage of the TPC and will provide access for crocodiles to Biscayne Bay. A conceptual habitat map of the TPC is presented in Figure 3-3.

On-site physical conditions (i.e., high energy environments) may require the use of a temporary and/ or permanent protective barrier to protect the slope from erosion and the planted mangroves from wave action and floating debris. The unconsolidated fill shoreline and slope to 7-ft NA VD will be stabilized using natural limerock boulders (30 cm to 90 cm [1 ft. - 3 ft.]). Providing shoreline stabilization in this manner will abate wave action, which will reduce erosion and re-suspension of sediments and related turbidity allowing the red mangroves to establish prop roots that will provide feeding, refuge, and nursery habitat for a variety of attached and motile sub-tidal and inter-tidal marine fauna.

The limestone protective barrier will begin at the toe of slope at -7 ft NA VD and will extend to an elevation of 60 cm (2 ft) above mean high water, with a 3:1 slope below the water line and no greater than 2:1 slope for the limestone above mean low water. Filter fabric should be used beneath the lime-rock boulders to limit the loss of unconsolidated fill material. The limestone barrier should be installed in a uniform and interlocking manner so there are voids between the larger pieces. The protective barrier should be placed a minimum of 1 ft. from existing mangrove trunks and prop roots. It is estimated that approximately 400 cy of limestone boulders will be required to provide the shoreline and slope stabilization.

3.4 Mangrove planting Red mangroves (Rhizophora 111a11gle) will be planted in an approximately 0.35 acres (15,449 ft 2

) of the filled TPC. Figure 3-3 presents the mangrove planting area graphically. The mangrove planting area will be graded flat to an elevation of +0.73 ft. to +0.93 ft. NA VD. Approximately 1,725 Red mangrove plants with a minimum height of 18 inches (in.) will be planted 5-ft. on center.

3.5 Threatened and Endangered Species Signage All staff involved with filling operations will be instructed and trained as per Florida Fish and Wildlife Conservation Corrunission (FWC) Standard Manatee Conditions for In-Water Work as well as the National Oceanic and Atmospheric Administration's National Marine Fisheries Service (NOAA-NMFS) Marine Sea Turtle and Smalltooth Sawfish Construction Conditions. Idle speed/ manatee protection signage will be maintained on board during all restoration activities. One sign which reads Caution: Boaters shall be posted in a location where it is prominently visible to July 2016 3-17 CAUTION: MANATEE HABITAT IDLE SPEED/ NO WAKE

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Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 52 of 108 all staff. A second sign measuring at least 8.5 by 11 -in. explaining the requirements for "Idle Speed/ No Wake" and the shurdown of in-water operations (Figure 3-5) will be posted in a location prominently visible to all personnel engaged in water-related activities (www.myfwc.com). Signage will be maintained at both the location of the materials barge and the restoration site. If any Threatened and Endangered Species comes within 50 feet of the work zone, filling operations will cease until the protected species has left the work zone on its own accord.

During the permitting process, the levcJ of observer will be determined: 1) observer approved by Florida Fish & Wildlife Conservation Commission at least 2 weeks prior to starting construction; 2) observer adequately trained and equipped with proper glasses; or 3) all on-site personnel are responsible for observer in-water activities for possible manatee presence. If a dedicated manatee observer will be required, that person(s) is expected to be on-site at all times during in-water construction.

3.6 Water Quality Monitoring Using a portable turbidimeter (Hach 2100Q). turbidity measurements will be collected at 6-hom intervals from upstream, downstream, and within the work area. Samples will be collected outside the turbidity containment from no further than 50 ft. from the point of discharge within the densest portion of any visible plume if such an event occurs. If the turbidity exceeds the state water quality standards (DEP 62-302.530) for an Outstanding Florida Water (zero NTU's above background) then backfill operations will cease until water quality standards are returned to background levels. If water quality standards are exceeded more than twice a day, the backfill operations will be stopped and then evaluated for implementation of mitigation measures.

July 2016 3-18

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4.

SUMMARY

Currently the TPC is a channelized waterway with sparse to no epibenthic floral or faunal coverage.

The vertically cut banks along with poor water quality currently provides suboptimal marine habitat.

Filling of the TPC is expected to improve benthic habitat both within the TIC and adjacent areas.

The overall intent of the project is to improve water quality and hydrology by backfilling the TIC to a minimum depth of -7 NGVD and restoring a third of the system to mangrove habitat, thereby, providing ecological improvements to Biscayne Bay. Additionally, indirect benefits to marine habitats are expected as a result of the overall improvements to water quality.

Based on the site survey, direct impacts to benthic resources are not expected as a result of the project. Indirect impacts such as shading, sedimentation, turbidity, and mechanical injury are expected to be negligible. The use of specialized turbidity containment and equipment and the methods specified herein will avoid and minimize both direct and indirect impacts to both sessile and motile biota. Accessing the remnant canal from the land side, with the exception of the construction barge with excavator to be mobilized to the canal, will minimize barge traffic compared to a water based operation and therefore avoid impacts from prop dredging, vessel groundings, and any potential for vessel strikes to protected marine species. All standard construction conditions for manatees and smalltooth saw.fish will be abided by during construction to avoid any potential affects. Additionally, an observer will be on-site during all in-water construction to observe for any protected species \\vithin the project vicinity and provide awareness so actions to avoid harm or harassment to protected species can be taken.

July 2016

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 58 of 108

5. REFERENCES US Fish and Wildlife Service. http://www,fws.g.oy/o.regonfwo/ Species/ Data/ BrownPelican/.

Accessed May 25, 2016.

Florida Fish and Wildlife Conservation Commission.

http: II m>rhvc.com/wildlifehabirar.s/irnperiled LprofilesLbirgs /leasM£mJ. Accessed May 25, 2016.

United States Nuclear Regulatory Commission.

bnp://www,nrc,gov/ docs/ML1036/ ML103630163.pdf. Accessed May 25, 2016.

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Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 70 of 108

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 71 of 108 FLORIDA POWER & LIGHT BARGE CANAL WATER QUALITY IMPROVEMENT PROJECT BIOLOGICAL EVALUATION AND RESTORATION PLAN MIAMI-DADE COUNTY, FLORIDA Prepared for:

Florida Power & Light 700 Universe Boulevard Juno Beach, Florida 33408 Prepared By:

Tetra Tech, Inc.

759 South Federal Highway Stuart, FL 34994 July 2016

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 72 of 108 TABLE OF CONTENTS

1.

INTRODUCTION..................................................................................................... 1-1 1.1 Purpose and Need.............................................................................................................. 1-1

2.

BIOLOGic.AL EV.ALUATION............................................................... !!! ** ** * **, ********* 2-1 2.1 l\\tlethods............................................................................................................................... 2-1 2.2 Findings................................................................................................................................ 2-1 2.2.1 Submerged.Aquatic Vegetation.......................................................................... 2-2 2.2.2 l\\tlangroves.............................................................................................................. 2-5 2.. 2.. 3 Uplands I********-******.. ********************************-*****************... *************************.. ******************** 2-5 2.3 Land Cover.......................................................... ~.............................................................. 2-5 2.4 Protected Species.............................................................................................................. 2-10

3.

RESTORATION PLAN............................................................................................ 3-1 3.1 Topographic Restoration................................................................................................... 3-1 3.1.1 Fill Specifications, Transport, and Staging........................................................ 3-1 3.2 Turbidity Containment...................................................................................................... 3-2 3.3 Threatened and Endangered Species Signage................................................................ 3-5 3.4 Water Quality J\\rlonitoring................................................................................................. 3-5

4.

SUMMARY

..............................................................,.,.,.,........,..,,..,....,........................ 4-1

5.

REFERENCES.......................................................................................................... 5-1 July 201 6 ii

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 73 of 108 LIST OF FIGURES Figure 1-1. Project vicinity map................................................................................................................... 1-2 Figure 2-1. Extem of su.rve)'****************************************************************************............................................. 2-3 Figure 2-2. Land use and land cover classification................................................................................... 2-8 Figure 3-1. Fill area and proposed staging area and conveyor placement area..................................... 3-3 Figure 3-3. F\\VC manatee signage............................................................................................................... 3-5 LIST OF PHOTOS Photo 2-1. Hardened shoreline of b:u:ge canal.......................................................................................... 2-1 Photo 2-2. Southern shoteline..................................................................................................................... 2-5 Photo 2-1. Northwest shoreline.................................................................................................................. 2-5 Photo 3-1. Example of covered fill conveyor system.............................................................................. 3-1 Photo 3-2. Fill conveyor loading placement barge................................................................................... 3-2 July 2016 iii

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 74 of 108 AP BC ccs cy DGPS FDEP FOOT FLUCCS FPL fsw ft ft2 FWC FWS Ul.

Kg NAVD NOAA NTU Project SAV TPC WGSB4 July 2016 Acronyms and Abbreviations Aquatic Preserve Barge Canal Cooling Canal System Cubic yard Differential Global Positioning System Florida Department of Environmental Protection Florida Department of Transportation Florida Land Use and Cover Classification System Florida Power & Light Feet of seawater foot/feet square feet Florida Fish and Wildlife Conservation Commission U.S. Fish & Wildlife Service inch/ inches kilogram meter square meters North American Vertical Datum National Oceanic and Atmospheric Administration nephelometric turbidity unit Barge Canal Water Quality Improvement Project Submerged Aquatic Vegetation Turtle Point Canal World Geodetic System 1984

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 75 of 108

1. INTRODUCTION Tetra Tech Inc., (fetra Tech) was contracted by Florida Power & Light (FPL) to provide an ecological evaluation and restoration plan for the Barge Canal/Basin Water Quality Improvement Project (Project), located at the Turkey Point Nuclear Power Plant in Homestead, Miami-Dade County. The Project is intended to restore water quality \\vithin the active Barge Canal/Basin (BC) by backfilling to -15 NA VD. Figure 1-1 presents the project location graphically.

FPL Turkey Point Power Plant utilizes a closed loop shallow radiant cooling canal system in the operation of a fossil fuel and two nuclear (Units 3 and 4) generating systems. In addition to cooling, the CCS is an industrial wastewater facility receiving runoff from the Plant site, processing water backwash/ concentrate and boiler blowdown from a natural gas combined cycle generation system (Unit 5).

Per the Florida Department of Environmental Protection issued Consent Order (OGC No. 16-0241) FPL committed to the objective of restoring the BC. Partially backfilling the BC to a level of approximately -15ft. NA VD will improve hydrology, water quality, and fringe habitat.

Tetra Tech performed a site survey on May 23, 2016. The purpose of the survey was to conduct a biological evaluation of the BC and the surrounding areas (hereinafter cumulatively referred to as Project area) to assist in the development of restoration alternatives. The survey identified protected species and sensitive biological resources \\vithin the Project area. The findings presented herein will supply the regulatory agencies with the most up-to-date resource data for the project site. Further, data collected from this survey were used in the restoration design and planning phase to minimize and avoid impacts to resources during project implementation.

1.1 Purpose and Need The purpose of the proposed Project is fill the BC to elevation -15 ft. NA VD to improve water quality adjacent to the Plant and Biscayne Bay. The BC is and active basin currently used for delivery of fossil fuel for operation of the Turkey Point Plant. The BC was dredged to approximately -30 feet NA VD during the initial construction of the Plant.

Water quality parameters \\vithin the BC have been monitored as a condition of lVIiami-Dade County Department of Environmental Resource Management (MDC DERM) Class I permit No. CLI-2014-0312 since May 2015. A sample collected on September 14, 2015 contained ammonia at a level which exceeded the County's water quality standard of 0.5 mg/L (Standard). Ammonia concentrations have intermittently been above MDC DERM standards since that time. FPL performed a feasibility study and has determined that filling the BC to a depth of -15 ft. NA VD will effectively improve the water quality within the BC and subsequently Biscayne Bay.

July 2016

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 76 of 108 Figure 1-1. Project vicinity map July 2016 1-2

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 77 of 108 Back of figure July 2016 1-3

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 78 of 108

2. BIOLOGICAL EVALUATION A biological evaluation (survey) was conducted of the BC to document on-site and surrounding ecological communities, identify environmental concerns, and make specific recommendations concerning construction activities associated with the restoration actions. The survey reviewed access routes and environmental precautions. Data gathered during the surve}1 provided the basis for development of the restoration prescription and design criteria.

A land and submerged water survey was conducted by a professional land surveyor. The topographic survey provided by FPL was used to assist the restoration team in planning, conceptual design, and planning for restoration actions, as well as provide a basis for volumetric calculations of the BC to yield an estimate of fill quantities.

2.1 Methods Tetra Tech biologists with experience in benthic and mangrove habitat assessments performed a biological evaluation of the BC and surrounding areas. Figure 2-1 provides the extent of the assessment area. The evaluation included reconnaissance of the BC, the confluence of the BC and Biscayne Bay, and the immediately adjacent mangrove and terrestrial communities. All observations were made from the surface aboard a vessel. The entire boundary of the BC was surveyed. During the survey submerged aquatic vegetation (SA V) communities and presence of marine fauna were noted. Mangrove and terrestrial communities were also assessed and an inventory of common species and wildlife utilization were documented. Representative images including underwater video of resources were captured during the assessment.

2.2 Findings

With the exception of the barge channel, the bottom topography is relatively flat outside of the BC. The BC can be characterized as hardened shoreline basin with a steep slope from top of bank to the dredge depth of approximately

-30 ft. The bottom (seafloor) of the BC can be classified as barren mud and detritus with no veget.'ltive cover. The sediment outside of the BC is characterized as a calcareous mixture of silt, sand, shell fragments, and organic material.

In general, the in-water survey area was characterized by three benthic community types; barren mud and detritus, macroalgae, and hard substrate (bulkhead, rubble, and rip rap). Epibcnthic functional groups such as stony corals, sponges, and gorgonians were not encountered during the survey. Other community types within the greater project area include mangrove and upland levees and roadways. A list of marine and terrestrial species observed during the survey is presented in Table 2-2.

July 2016 2-1 Photo 2-1. Hardened shoreline of barge canal

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 79 of 108 2.2.1 Submerged Aquatic Vegetation No epibenthic cover was documented within the BC at depths greater than 15 fsw. In general, barren substrate or epibenthic cover (macroalgae) of less than <5% was encountered to the proposed fill depth of -15 ft. NA VD.

Silt-covered filamentous diatoms makes up the dominant vegetative cover along the hard substrate (wall and rubble and/ or concrete). Macroalgae cover was occasionally observed in areas of gently sloping unconsolidated substrate predominantly in the -4 to -7ft.

elevation range. Table 2-2 provides a list of SAV documented during the survey.

July 2016 2-2

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 80 of 108 Figure 2-1. Extent of survey July 2016 2-3

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 81 of 108

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 82 of 108 2.2.2 Mangroves Mature mangroves are present along approximately 50 percent of the BC shoreline. The northwest shoreline (sec Photo 2-1) is generally uninterrupted and is characterized by a narrow zone of red mangroves (Rhi:;;,.ophora mangle). White mangrove (Lag1111ct1/aria racemosa), black mangrove (Avice1111ia gem1i11am), and buttonwood (Co11ocarp11s emctm) were also noted along the narrow mangrove fringe. The southern shoreline (see Photo 2-2) is characterized by a discontinuous narrow fringe of mature mangroves and young recruits with small (< 5 ft.) to large (> 100 ft.) open areas.

Mangrove habitat provides a detrital base for organic food webs and significant habitat for arboreal, intertidal, and subtidal organisms, including shellfish, crust.'lceans, fish, and birds. Additionally, red mangrove prop roots can provide substrate for a diverse epifaunal assemblage. Although important habitat for a variety of species, the narrow fringe of available habitat and the steep slope along the edge of Photo 2-1. Northwest shoreline the edge of the BC provide marginal mangrove Photo 2-2. Southern shoreline habitat-Red mangrove prop roots had little to no epifaunal colonization and the detrital base and associated organisms were marginal due to the narrow fringe, hard substrate, and steep slope of the BC. Although the mangroves within the BC are on lands disturbed and previously impacted by the construction and operation of the Turkey Point complex, they provide structural habitat for a variety of mangrove habitat associated fauna.

2.2.3 Uplands The uplands adjacent to the project site consist of the Turkey Point Power Plant facility and pervious (shell rock) roads and levees constructed for operations of the electrical power facility. The uplands are historically filled lands that currently provide minimal habitat for native species. Do to the active use of tl1e uplands, the potential for wildlife utilization is low.

The roadways and levees surrounding the BC will provide access to the staging area and project site during construction. These roadways and levees will be under heavy use during project imp~ementation. Table 2-2 provides a list of vegetation noted during the pedestrian survey.

2.3 Land Cover The FOOT land use, vegetation cover, and landform classification system (FLUCCS) is arranged in hierarchical levels with each level containing information of increasing detail. The system uses four levels (I-IV) within classification categories; however, for the level of detail required for the analysis presented in this report, categories were limited to level III specificity. Five carcgorics arc July 2016

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 83 of 108 represented within the project boundary. Figure 2-2 presents the land use, cover, and forms classification system (FLUCCS) graphically. Below is a description of each land cover category.

Channelized Wate.nvay (512) -This category includes the TPC and the cooling canal system (CCS) associated with the Turkey Point Facility Embayments Opening D (541) - This category includes the greater Biscayne Bay area.

Mangrove swamp (612) -This Category describes the mangrove communities that fringe the TPC and are adjacent to the project area.

Dikes and levees (747) -This category describes the levees and roadways that suuound the CCS and the proposed staging area south of the TPC.

Electrical Power Facility (931) -This category describes the grounds associated with the Turkey Point Power Plant facility.

July 2016 2-6

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 84 of 108 Table 2-2. Marine, Terrestrial, and Avian Species Documented in Barge Canal and Adjacent Upland Area Common Name Scientific Name Birds Common nighthawk Chordei/es minor Brown pelican Pe/ecanus occidentalis Double-crested connorant 1phalacrocorax auritus Anhinga

'Anhinga anhinga Mockingbird Mimus polygfottis Great White Heron 14mea herodias occidentalis Common grackle

'(:Juiscalus quiscula Fish Sheepshead

'Archosargus probatocephalus Flagfin Mojarra

'Eucinostomus melanopterus Tarpon Megafops atlanticus Common snook

'Centropomus undecimalis Parrot fish

~carusspp.

Sergeant major l4budefduf saxatilis Mullet Mugi/sp.

Mangrove snapper

'f,.utjanus griseus Silversides

'Menidia Submerged Aquatic Vegetation Mermaid's wineglass (green algae) 14cetabularia sp.

Green algae ICaulerpa sp.

Shaving brush alga (green algae)

Penicillus sp.

Turtle grass (seagrass)

Thalassia testudinum Shoal grass (seagrass)

Halodule wrightii Manatee grass Syringodium filiforme Terrestrial Vegetation Black mangrove Avicennia germinans

[Tree seaside oxeye Borrichia arborescens

~ustralian pine Casuarina equisetifolia Sea grape Coccoloba uvifera Buttonwood Conocarpus erectus White mangrove

... aguncu/aria racemosa Red mangrove Rhizophora mangle Beach Naupaka Scaevola taccada Bay cedar Suriana maritima Brazilian pepper Schinus terebinthifolius July 2016

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 85 of 108 July 2016 I

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Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 87 of 108 2.4 Protected Species The Florida Fish and Wildlife Conservation Commission (FWC) publication Florida's Endangered and Threated Species (Updated January 2016) was used to determine the status of listed species with the potential to utilize the proposed Project site. No sightings of or evidence of listed species were noted during the survey; however, based on geographic range, several listed species have the potential to utilize the TIC area (fable 2-3).

There are 11 aquatic species known to occur within Biscayne Bay that are protected under the Endangered Species Act or are candidates for listing. These are the American crocodile (Crocotfylr1s aet1t11s), Johnson's seagrass (Halophila joh11so11i1), the mangrove rivulus (Riv11/11s mam1oratJ1s), the small-toothed sawfish (Prist1s pecti11ata), five species of sea turtle, the American alligator (Alligator mississippiensis), and the Florida manatee (TrichechJ/s ma11at11s). Additionally, a variety of protected avian species are known to occur within the southern Biscayne Bay and the Turkey Point Facility. Table 2-3 includes a list of protected avian species that have been known to utilize the BC area. Although these species were not documented during the survey, brief discussions of potentially occurring protected species are provided below.

Amen*can crocodile (Crocodylus acutus)

The American crocodile is federally threatened and state listed as endangered. Most crocodile nesting occurs in the southwestern corner of the industrial wastewater facility; however, a limited number of nests have been observed on berms within the northern portion of the return canals.

Johnson's seagrass (Halophila j'ohnsonii)

Johnson 1s seagrass, federally listed as a threatened species, occurs along the Florida coast from Sebastian Inlet to central Biscayne Bay at Virginia Key, Key Biscayne. This seagrass species was not observed during the survey and is not known to occur as far south as the Turkey Point plant property.

Mangrove rivulus (Rivulus mannoratus)

The mangrove rivulus, a fish that inhabits crab burrows in mangrove areas, is federally listed as a NOAA Species of Concern and listed by the state as a Florida species of concern. It could be present in mangrove areas fringing the plant site, but is unlikely to be present in the BC due to lack of habitat (no crabs or crab burrows were observed in mangrove habitat during the survey).

Small-toothed sawfish (Pristis pectinata)

The small-toothed sawfish is a state and federally endangered species that inhabits inshore bars, seagrass beds, and mangrove areas. Due to its preference for these habitat types, the small-toothed sawfish could potentially utilize the BC.

Florida manatee (Trichechus manatus)

The manatee is a st.'lte and federally endangered species that frequents warm water estuarine habitats including rivers, marshes, bays, and sounds in Florida. They use warm water refuges in the cooler months, including freshwater springs and heated effluent from power plants. Manatees are federal-and state-listed as endangered, and their critical habit.'lt includes Biscayne Bay and Card Sound adjacent to the Turkey Point plant property and the canals entering these water bodies. Manatees have been obsei:ved in the barge turning basin and nearby state canals (NRC 2016).

July 2016 2-10

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 88 of 108 American alligator (Alh'gator mississippiensis)

The alligator is federally listed as Threatened due to similarity of appearance and state listed as a Florida species of special concern. The species is federally listed as tlueatened due to its physical resemblance to the American crocodile, which is endangered. Alligators live in swampy areas, rivers, streams, lakes and ponds. Although they are primarily freshwater animals, alligators will also venture into brackish salt water. Although alligators have been observed and relocated off site from the Turkey Point facility, there are no reports of alligators utilizing the BC.

Eastem Indigo snake {DLymarchon couperi)

The eastern indigo snake is federally tlueatened and can be found in almost any habitat throughout the state of Florida. Although eastern indigo snakes were not observed during the survey, they are known to occur on site. These snakes may occur in wetland or uplands and may be seen along the shell rock roads located tluoughout the CCS area at Turkey Point.

Sea turtles Sea turtles (4 species wjth protection status of E ndangered or Threatened) are found in marine habitats that open to the sea, such as Biscayne Bay and Card Sound. The BC does not provide suitable habitat, and the shoreline adjacent to the canal lacks the beach habitat preferred by sea turtles for nesting.

Wood stork The wood stork (Myctera america11a) is classified as endangered by the FWC and the FWS. This species could potentially use the site as short-term foraging grounds. Wetlands and the perimeter of the TPC could offer limited forage for this species during the wet season. Long term use of the site is limited due to low quantity and quality of the foraging habitat as well the flashy and short duration of inundation on site.

Wading Birds Several wading birds Q1erons and egrets) are classified by the FWC as species of special concern. The snO\\V)' egret (Egrelta th11/a), reddish egret (Bgretta mlm ce11s), little blue heron (Egretta caem/ea),

trico]ored heron (Egretta tricolot), Roseate spoonbill (Plata/ea qjqja), and white ibis (E11docin111s a/bus) were not observed on site during the survey; however, limited utilization throughout the year is likely to occur. As described for the wood stork, seasonal utilization is likely when the ditches are inundated during the wet season. The ponds offer limjtcd and poor quality year* round forage.

Brown pelican The brown pelican is a st-ite species of special concern that tluives near coasts and on islands.

Brown pelicans rely in part on the actions of marine predators such as large fish, sharks and dolphins to force schools of fish to the surface where the pelicans can catch them. Pelicans will breed only in areas with enough food to support the breeding colony. Roosting and resting sites where brown pelicans can dry their feathers and rest without disturbance are also important.

(USFWS 2016). This is the only listed species to be observed during the May 23, 2016 survey.

White-crowned pigeon (Patagioenas leucocephala)

The white-crowned pigeon is not federally listed however is protected by the U.S. Ivligratory Bird treaty Act and as a State-designated tlueatened species. White crowned pigeons inhabit low-lying forest habitats including mangroves around Biscayne Bay, Florida Bay and the Florida Keys. The July 2016

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 89 of 108 diet of the white-crowned pigeon consists of tropical hardwood tree fruits. White crowned pigeons were not observed during the survey.

Leasttem The least tern is a state threatened species that inhabits areas along the coasts of Florida including estuaries and bays. The least tern's diet primarily consists of fish, but they will also feed on small invertebrates. They build nests in shallow depressions in bare beach sand and on gravel berms and rooftops (FWC 2016).

July 2016 2-12

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 90 of 108 Table 2-3. Federally Listed and Florida-State Listed Species Potentially Existing near Barge Canal Federal State Observed during I

Common Name Scientific Name Status<al Status1*1 survey Birds Roseate spoonbill Ajaia ajaja s

N I

Little blue heron Egretta caerulea s

N I

Reddish egret Egretta rufescens s

N I

Snowy egret Egretta thula s

N Tricolor heron Egretta tricolor s

N I

White ibis Eudocimus a/bus s

N American kestrel Falco sparverius T

N Bald eagle Haliaeetus leucocephalus DL T

N Wood stork Mycteria americana E

E N

Brown pelican Pelecanus occidentalis s

y Least tern Stema antillarum T

N White-crowned Pigeon Patagioenas leucocephala T

N Fish Mangrove rivulus Rivulus marmoratus soc s

N Small-toothed sawfish Pristis pectinata E

N Common snook Centropomus undecimalis s

N Mammals Florida manatee Trichechus fatirostris E

E N

i Plants Johnson's seagrass Halophila johnsonii T

N Reptiles I

I Green sea turtle Chelonia mydas E

E N

Hawksbill sea turtle Erytmochelys imbricata E

E N

I Leatherback sea turtle Dennochelys coriacea E

E N

Kemp's ridley sea turtle Lepidochelys kempi E

E N

Loggerhead sea turtle Garett a T

T N

American alligator Alligator mississippiensis T (S/A) s N

American crocodile Crocodyfus acutus T

E N

Eastern Indigo snake Drymarchon couperi T

T N

(a)

E = Endangered; T = Threatened; T(S/A) = Threatened due to similarity of appearance; C = Candidate for federal listing; S =

Florida species of special concern; SOC= NOAA species of concern; -

= No listing July 2016 2-13

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 91 of 108

3. RESTORATION PLAN This section describes the methods and techniques planned for restoration implementation of the BC. The proposed restoration action involves topographically restoring the BC to an elevation of -

15 ft. NA VD. The proposed restoration will consist of a combination of specific activities that include material staging, sediment placement, and grading. The approach to restoration activities is presented below.

3.1 Topographic Restoration Topographic restoration will be achieved by placing approximately 124,000 cubic yards (cy) of loose (raw) sediment fill material (approximately 55,779 cy of bottom fill and 68,175 cy of select top fill),

within the BC. The fill volume was calculated using topographic survey data provided by FPL. The volume includes an additional 25% of material to account for inadvertent loss due to compaction, material handling, loss of fines, etc. The 25° o factor is an estimate based on past experience with similar projects.

The BC was evaluated to determine the work zone, vessel access corridor, the appropriate methods for delivery and transfer of fill material, placement of the fill material, and turbidity containment.

The proposed fill elevation was determined by a separate study for water quality improvement planning. Figure 3-1 illustrates the fill area planned to -15 NA VD. The proposed approach and methods for topographic restoration are described below. A set of conceptual restoration plan drawings have been prepared under a separate cover.

3.1.1 Fill Specifications, Transport, and Staging The fill specification for the Barge Canal requires two types of fill: Type - E (bottom fill) and Type

- A (select top fill). The bottom fill is a calcium carbonate coarse grain sand with a grain size ofless than 10% passing through a range 12 inch to #200 sieve.

Bottom fill will be placed from the canal bottom to an elevation of -22 NA VD along the length of the canal.

The select top fill is a calcium carbonate coarse grain sand with a grain size of less than 5% passing through a range #4 to #200 sieve. The top fill will be placed from

-22 to -15 NAVD.

Select top fill and bottom fill should be obtained from local quarries. Fill material meeting the gradation specifications are readily available from local quarries in the quantity needed to fulfill the project needs.

Staging areas are available near the project site. The Photo 3-1. Example of covered fill conveyor system staging area will be identified by the contractor. Fill material will be delivered via truck directly to tl1e staging area along existing roads on the project site. Fill material will be stored on site. Fill material will be staged in a contained environment to avoid loss of material to adjacent aquatic resources. The staging area will be returned to pre-project conditions following project completion, with final cleanup notification provided to the FPL representative.

July 2016 3-1

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 92 of 108 Loose fill may be transferred using a long-reach excavator and conveyor system or other suitable transfer machinery from the staging area to a material placement barge. Photo 3-2 provides an example of equipment used to efficiently transfer fill material. Typically, the use of a conveyor system provides a low-to no-impact fill material transfer route through the mangroves. Mangrove canopy openings sufficient for installation of the conveyor system were identified during the site assessment. Figure 3-2 identifies a potential location for installation of the conveyor system. All sections of the conveyor system that cross mangrove habitat or any other sensitive habitat will be covered from above and below to limit wind loss of material and to catch any material that may drop from the conveyor system. The covers are generally constructed of half sectioned corrugated style pipe installed above and below the conveyor belt (sec Photo 3-2). Once selected the contractor may propose comparable alternative methods.

A turbidity containment system will be installed prior to construction and will remain throughout the fill operations. At no time will the turbidity containment be breached during the fill operations.

3.2 Turbidity Containment During fill placement activities, turbidity curtains and/ or other barriers will enclose the mouth of the BC to minimize potential siltation and turbidity of surrounding mangrove and seagrass communities. Turbidity curtains at the mouth of the BC will be placed such that the bottom edge of the material is in contact with the bay bottom. Turbidity curtains will be anchored securely for use in high current/ dynamic conditions. Piles (12-in.

diameter or greater) will be used across the mouth of the BC to secure the turbidity curtain. All possible turbidity Photo 3-2. Fill conveyor loading placement barge leak points (seams, bottom of curtain, etc.) will be secured and monitored during filling operations.

Turbidity curtains shall be furnished with excess material (flaps) at each end so they may be rolled together to seal the seam created by securing two sections together. Additionally, curtains will have a 3-ft. barrier above the water line to inhibit manatees from entering the fill zone. The turbidity curtains will be highly visible and manufactured from entanglement-free material that is safe to use in the presence of marine mammals, sea turtles, and other marine fauna. Curtains will be removed from the BC post-filling once turbidity \\vithin the feature reaches an acceptable level July 2016 3-2

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 93 of 108 Figure 3~1. Fill area and proposed staging area and conveyor placement area July 2016 3-3

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 94 of 108 6'o

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Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 95 of 108 3.3 Threatened and Endangered Species Signage All staff involved with filling operations will be instructed and trained as per Florida Fish and Wildlife Conservation Commission (FWC) Standard Manatee Conditions for In-Water Work as well as the National Oceanic and Atmospheric Administration's National Marine Fisheries Service (NOAA-NMFS) Marine Sea Turtle and Smalltooth Sawfish Construction Conditions. Idle speed/ manatee protection signage will be maintained on board during all restoration activities. One sign which reads Caution: Boaters shall be posted in a location where it is prominently visible to all staff. A second sign measuring at least 8.5 by 11-in.

explaining the requirements for "Idle Speed/No Wake" and the shutdown of in-water operations (Figure 3-3) will be I

CAUTION: MANATEE HABITAT AUiJr.J.. t*HHt*

IDLE SPllD /NO WAKE W*et11 e M***IH ** **U*lll U lttt tt.. tk all l..,,ttet HtMt.. t,_.tt SHUT DOWN Figure 3-3. FWC manatee sign age r

I posted in a location prominently visible to all personnel engaged in water-related activities (www.myfwc.com). Signage will be maintained at both the location of the materials barge and the restoration site. If any Threatened and Endangered Species comes within 50 feet of the work zone, filling operations will cease until the protected species has left the work zone on its own accord.

During the permitting process, the level of observer will be determined: 1) observer approved by Florida Fish & Wildlife Conservation Commission at least 2 weeks prior to starting construction; 2) observer adequately trained and equipped with proper glasses; or 3) all on-site personnel are responsible for observer in-water activities for possible manatee presence. If a dedicated manatee observer will be required, that person(s) is expected to be on-site at all times during in-water construction.

3.4 Water Quality Monitoring Using a portable turbidimeter (Hach 2100Q), turbidity measurements will be collected at 6-hour intervals from upstream, downstream, and within the work area. Samples will be collected outside the turbidity containment from no further than 50 ft. from the point of discharge within the densest portion of any visible plume. If the turbidity exceeds the state water quality standards (DEP 62-302.530) for an Outstanding Florida Water (zero NTU's above background) then backfill operations will cease until water quality standards arc returned to background levels. If water quality standards are exceeded more than twice a day, the backfill operations will be stopped and then evaluated for implementation of mitigation measures.

July 2016 3-5

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 96 of 108

4.

SUMMARY

Currently the BC is a channelized waterway with sparse to no epibenthic floral or faunal coverage.

The vertically cut banks along with poor water quality currently provides suboptimal marine habitat.

Filling of the BC to a minimum depth of -15 NGVD, is expected to improve benthic habitat and hydrology, thereby, providing water quality improvements to Biscayne Bay. Additionally, indirect benefits to marine habitats are expected as a result of the overall improvements to water quality.

Based on the site survey, direct impacts to benthic resources are not expected as a result of the project. Indirect impacts such as shading, sedimentation, turbidity, and mechanical injury are expected to be negligible. The use of specialized turbidity containment and equipment and the methods specified in herein will avoid and minimize both direct and indirect impacts to both sessile and motile biota. Accessing the BC from the land side, with the exception of the placemcnc barge, will minimize barge traffic compared to a water based operation and therefore avoid impacts from prop dredging, vessel groundings, and any potential for vessel strikes co protected marine species.

All standard construction conditions for manatees and smalltooth sawfish will be abided by during construction to avoid any potential affects. Additionally, an observer will be on-site during all construction to observe any protected species within the project vicinity and advise any additional measures needed to avoid harm or harassment to protected species.

July 2016

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 97 of 108

5. REFERENCES US Fish and Wildlife Service. http:Lbvww.fws.gov/orcgoofwo/Species/Data/BrownPelica.n/.

Accessed May 25, 2016.

Florida Fish and Wildlife Conservation Com.mission.

http://myfwc.com/wjldlifehabitats /imperiled /profiles /birds/Ie;sHem /. Accessed May 25, 2016.

United States Nuclear Regulatory Com.mission.

http://www.nrc.gov/docs/ML1036/ML103630163.pdf. Accessed May 25, 2016.

July 2016 5-1

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 98 of 108

Turkey Point Units 3 and 4 Docket Nos. 50-250 and 50-251 FPL Response to NRC RAI No. A-4 L-2018-136 Attachment 5 Enclosure 1 Page 99 of 108 FLORIDA POWER AND LIGHT BARGE SLIP CANAL RESTORATION FPLID t

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