ML20237C998

Reissued Ltr Responding to Questions 1 & 7 of 971112 RAI Re Review of Ipeee,Including Pages Inadvertently Omitted from Original Ltr

ML20237C998
Person / Time
Site:	Peach Bottom
Issue date:	08/17/1998
From:	Geoffrey Edwards PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20237C988	List: ML20237C986 ML20237C998
References
NUDOCS 9808240293
Download: ML20237C998 (53)

Text

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StCtion Support Department A D\\V/

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A U

10 CFR 50.54(f) v PECO NUCLEAR

=ecoem o c -

A Unit of PECO Energy Na$neIe*1 7 E 7 N

• August 17,1998 l

Docket Nos. 50-277 50-278 License Nos. DPR-44 DPR-56 U.S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555

Subject:

Peach Bottom Atomic Power Station, Units 2 and 3 Response to Request for Additional Information Regarding Review of individual Plant Examination of Extemal Events

References:

(1)

Letter from L. Mark Padovan, U.S. Nuclear Regulatory Commission (USNRC), to G. A. Hunger, PECO Energy Company, dated November 12,1997 (2)

Letter from Garrett D. Edwards, PECO Energy Company, to U.S. Nuclear Regulatory Commissiion (USNRC) dated April 22,1998 Dear Sir.

The Reference (1) letter requested additionalinformation regarding review of the Peach Bottom Atomic Power Station (PBAPS), Units 2 and 3, Individual Plant Examination of External Events. The Reference (2) letter provided all requested information, except for seismic questions 1 and 7 which we committed to provide by August 1998. to this letter provides a restatement of seismic questions 1 and 7, followed by our response.

If you have any questions, please do not hesitate to contact us.

Very truly yours, arrett D. Edwards I

Director-Licensing

Enclosures:

Affidavit, Attachment 1 cc:

H. J. Miller, Administrator, Region I, USNRC A. C. McMurtray, USNRC Senior Resident inspector, PBAPS l

9808240293 980820 PDR ADOCK 05000277 P

PDR 1

I l

l COMMONWEALTH OF PENNSYLVANIA :

SS l

l

. COUNTY OF YORK l

l l

i l

J. Doering, Jr., being first duly sworn, deposes and says:

1 That he is Vice President'of PECO Energy Company, the Applicant herein; that he has

)

read the enclosed response to the NRC request for additional information concerning the Peach Bottom Atomic Power Station Individual Plant Examination of External Events, and knows the contents thereof; and that the statements and matters set forth therein are true and correct to the best of his knowledge, information and belief.

l

[

Vice President 3//

Subscribed and sworn to before me this /3*' day of August 1998.

&ne t Y Y

N6tary Public

- (/

NOTARIAL SEAL JANET L WILEY, NOTARY PUSUC PEACH BOTTOM TWR, YORK COUNTY, PA MYCoWMrSSION EXPtRES JUNE 17,2002 I

Li

e l

i l

I l

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ATTACHMENTS

I Docket Nos. 50-277 l.

50-278 License Nos. DPR-44 DPR-56 Response to Request for Additional Information Peach Bottom Atomic Power Station, Units 2 and 3 Individual Plant Examination of External Events f

A. SEISMIC ANALYSIS f

Question 1:

A reduced-scope evaluation was performed instead of the recommended focused-scope (or modified focused-scope) evaluation. No high confidence in low probability of failure

{

(HCLPF) capacities were reported for the plant or key comenents that may control the i

plant capacity. The most apparent consequences of this deficiency are:

(a) plant capability in the face of beyond-design-basis earthquakes has not been demonstrated; and (b) an appreciable understanding has not been obtained of the most important components that act to limit the seismic capability of the plant. Please identify the key components that control the HCLPF capacity of each of the selected success paths, report the HCLPF capacities for these components, and submit HCLPF j

calculations for the controlling set of components having capacities less than the 0.3g

)

review level earthquake (RLE) recommended in NUREG-1407.

l l

1 Response 1:

The controlling component of the primary and alternate success paths are the Residual Heat Removal (RHR) Heat Exchangers of which the A and D heat exchangers in both units have a HCLPF of 0.20g. The second lowest group of components are the High Pressure Service Water pumps serving the RHR Heat Exchangers which have a HCLPF of 0.21g.

The results of the HCLPF capacity calculations for all controlling components are presented in Table 1 of the response to Question 7 attached.

I i

?

\\

h

t Docket Nos. 50-277 50-278 l

License Nos. DPR-44 l

DPR-56 Question 7:

From Table 3.1.4-2 of the iPEEE submittal, for each equipment class where not all components were screened out, identify the bounding (lowest capacity or severest) case. For each identified bounding case, please provide completed screening evaluation work sheets, walkdown notes / checklists. photographs, and capacity calculations (where performed). The applicable classes include:

o motor control centers switchgear (Iow and medium voltags) e transformers e

vertical pumps e

valves (fluid-operated, motor-operated, and solenoid-operated types) e fans e

air handlers e

distribution panels e

e batteries and racks

(

battery chargers and inverters engine generators e

instruments on racks e

control and instrumentation panels and cabinets l

tanks and heat exchangers e

electrical cable trays and conduit e

control rod drive units and hydraulic control units e

heating, ventilation, and air conditioning ducting e

I Response 7:

Table 3.1.4-2 of the IPEEE submittal summarizes all the unscreened components that were identified during the walkdowns. Many of these items were also identified as USI A-46 outliers, and resolution of the USI A-46 outliers will subsequently resolve the IPEEE unscreened issues. Tables 7.2-1a and 7.2-2a of the IPEEE submittallist the l

completed and planned resolutions to these issues.

l Table 1 of this response lists all the unscreened components from Table 3.1.4-2. High confidence in low probability of failure (HCLPF) capacities were calculated in accordance with the requirements and guidance of EPRI document NP-6041-SL l'

Revision 1, and the results of these calculations are listed in Table 1. HCLPF calculations were not performed for components if it was judged that the final resolution l

of the unscreened issue would result in a HCLPF of 0.3g or greater.

From the HCLPF provided in Table 1, the following components nre considered to be the bounding case for each equipment class. Screening evaluation worksheets and photographs are provided for each bounding case.

EQUIPMENT CLASS Component ID Motor Control Centers 30D11 Switchgear N/A

• Transformers 20X150, 30X150 Vertical Pumps 3BP42 Valves N/A

• mL____----.___-_.___._.

'4 Docktt Nos. 50-277 50-278 License Nos. DPR-44 l

DPR-56 l

l

' Response 7: (Continued)

EQUIPMENT CLASS Comoonent ID Fans OAK 32 Air handlers N/A

• Distribution panels N/A *

]

Batteries and Racks 2CD01 Battery Chargers and Inverters N/A

• Engine Generators N/A

• Instruments on Racks 3AC65, (picture of similar rack provided)

Panels and Cabinets 30C124,00C29A/D/C/D Tanks and Heat Exchangers 3DE24 Cable Trays and Conduit N/A

• CRD and HCU N/A

• HVAC ducting N/A *

• Not applicable since the calculated HCLPF 2 0.3g or resolution of the unscreened issue will result in a HCLPF2 0.3g 1

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se of 3 SCREENING EVALUATION WORK SHEET (SEWS)

Equip. ID No.

30D11 Equip. Class 1 - Motor Control Center Equipment Description (30D011) RX BUILDING DC MOTOR CONTROL CENTER Ram,4nr Builtiina -

Location: Bldg.

Floor El. 135 Room Row / Col 82-3 3

UnLa Manufacturer. Model. Etc. (Optional but recommended)

CH Unitrol (20" Demo)

SEISMIC CAPACITY VS DEMAND

1. Elevation where equipment receives seismic input

!135!

2. Elevation of seismic input below about 40' from grade lNIA!

3. Equipment has fundamental frequency above about 8 Hz (N/Al j

4. Capacity based on:

Existing Documentation DOC lGERS' Bounding Spectrum BS 1.5 X Bounding Spectrum ABS GERS (Function During)

GERS

5. Demand based on:

Ground Response Spectrum GRS lCRSI 1.5 X Ground Response Spectrum AGS Conserv. Des. In-Str. Resp Spec.

CRS Realistic M-Ctr. In Str. Resp. Spec.

RRS Does capacity exceed demand? (Indicate at right (*) and in COMMENTS y

if a special exception to enveloping of seismic demand spectrum is invoked per Section 4.2 of the GIP.)

l J

1 CAVEATS - BOUNDING SPECTRUM (identify with an asterisk (*) those caveats which are met by intent without meeting the specific wording of the caveat rule and explain the reason for this conclusion in the COMMENTS section below) 9.

Equipment is included in earthquake experience equipment class Y

I 2.

600 V reting or less 3.

Adjacent cabinets which are close enough to impact, or sections of y

multi-bay cabinets, are bolted togetherif they contain essential relays 4.

Attached weight (except conduit) less than about 100 lbs per cabinet assembly l

5.

Extemally attached items rigidly anchored Y

6.

General configuration similar to NEMA Standards 1

7.

Cutouts in lower half less than 6 in, wide and 12 in.high YJ 8.

All doors secured by latch or fastener Y

j 9.

Natural frequency relative to 8 Hz limit considered Y

10. Anchorage adequate (See checklist below for details)

S 11.~ Relays mounted on equipment evaluated

12. Have you looked for and found no other adverse concems?

is the intent of all the caveats met for Bounding Spectrum?

3

SCREENING EVALUATION WORK SHEET (SEWS)

Equip. ID No.

30D11 Equip. Class 1 - Motor Control Center Equipment Description (30D0111 RX BUILDING DC MOTOR CONTROL CENTER CAVEATS-GERS

1. Equipment is included in generic seismic testing equipment class

. 2. Meets all Bounding Spectrum caveats

3. Floor mounted cabinet

4. Maximum weight per section less than 800 lbs

5. Base anchorage utilizing MCC base channels

6. Adequate strength and stiffness in load transfer path from anchorage y

~

to base frame (only for " function after" GERS)

7. Essential relays have GERS > 4.5g (only for " function during" GERS)

N[A N/A

8. Able to reset starters (only for " function after" GERS).

9. All adjacent cabinets or sections of multi-bay assemblies bolted together

'y is the intent of all the caveats met for GERS?

N ANCHORAGE

1. Appropriate equipment characteristics determined y

(mass, CG, natural freq., damping, center of rotation)

2. Type of anchorage covered by the GIP Y

3. Sizes and locations of anchors determined Y'

4. - Anchorage installation adequate, e.g., weld quality and length, nuts and N

washers, expansion anchor tightness

5. Factors affecting anchorage capacity or margin of safety considered: embedment length, g

anchor spacing, free-edge distan e, concrete strength / condition, and concrete cracking

6. For bolted anchorages, gap under base less than 1/4 inch

.N/A, 1

7. Factors affecting essential relays considered: gap under base, capacity

[E

~

reduction for expansion anchors

8. Base has adequate stiffness and effect of prying action on anchors considered

9. Strength of equipment base and load path to CG adequate

10. Embedded steel, grout pad or large concrete pad adequacy evaluated lN/AI

{

11. The anchorage capacity exceeds the demand f

Are anchorage requirements met?

t

PCrsh B:ttom Atomi P:werStati n St:tus Y ON bU

- SCREENING EVALUATION WORK SHEET (SEWS)

Equip. ID No.

30D11 Equip. Class 1 - Motor Control Center Equipment Description (30D0111 RX BUILDING DC MOTOR CONTROL CENTER INTERACTION EFFECTS

1. Soft target free from impact by nearby equipment or structures j

2. If equipment contains sensitive relays, equipment free from allimpact by INIAt nearby equipment or structures j

3. Attached lines have adequate flexibility l

4. Overhead equipment or distribution systems are not likely to collapse j

5. No potential sources could flood or spill onto equipment?

}

6. Have you looked for and found no other adverse concems?

y is equipment free of interaction effects?

y IS EQUIPMENT SEISMCALLY ADEQUATE?

PN L

COMMENTS MCC has 10 sections,20"W x 20"D x 90"H and is not top braced.

Fire hose wheel will impact spare MCC cubicle, judged to be OK.

Temp air bottle nearby (6 ft), temp hoist (8ft)- outage related, no problem.

A3 & A4 - MCC 30D11 does not have any welds on the front; the back of the MCC is inaccessible, therefore, anchorage cannot be venfied by the SRT. Therefore, the anchorage does not screen-out.

C11 - For this MCC, the only essential relays are motor contactors, thermal overloads, and breakers (42,49, and 52 devices). Since capacity exceeds demand, the essential relays are screened out.

I Evaluated by:

8 f* b Date:

4[ze/rf"

/97 1

i r

1 C. m. AD&.]L a w

c. z.- 1r l

WD by CA,LQA,ED an,1&[

____-___-______2___

i

SCREENING EVAL.UATION WORK SHEET (SEWS)

Equip. ID No.

20X150 Equip. Class 4-Transformers j

I Equipment Description PANEL 20Y50 TRANSFORMER Turbine Buildina - Unit Location: Bldg.

Floor El..U5 Room Row / Col T2-171 2

Manufacturer. Model. Etc. (Optional but recommended)

Gen. Sianal 50KVA Drv tvoe trans.

l SEISMIC CAPACITY VS DEMAND t

1. Elevation where equipment receives seismic input 135!

2. Elevation of seismic input below about 40' from grade

.N/A

3. Equipment has fundamental frequency above about 8 Hz lN/A'

4. Capacity based on:

Existing Documentation DOC

! ABS Bounding Spectrum BS 1.5 X Bounding Spectrum ABS GERS GERS

5. Demand based on:

Ground Response Spectrum GRS RRS 1.5 X Ground Response Spectrum AGS Conserv. Des. In-Str Resp Spec.

CRS Realistic M-Ctr. In-Str. Resp. Spec.

RRS Does capacity exceed demand? (Indicate at right (*) and in COMMENTS V

l if a special exception to enveloping of seismic demand spectrum is invoked per Section 4.2 of the GIP.)

l CAVEATS - BOUNDING SPECTRUM (identify with an asterisk (*) those caveats which are met by intent without meeting the specific wording of the caveat rule and explain the reason for this conclusion in the COMMENTS section below) 1.

Equipment is included in earthquake experience equipment class 1

2.

4.16KV rating or less V

3.

For Floor-mounted dry-and oil-type unit, transformer coils are positively j-restrained within cabinet For 750 kVA or larger units, coils are top b7d or adequacy shown by evaluation 4.

N/A 5.

For 750 kVA or larger units,2-inch clearance is provided between

.N/A energized component and cabinet I

6.

For 750 kVA or larger units, the slack in the connection between N/A:

the first anchor accommodates 3-inch relative displacement 7.

For wall-mounted units, transformer coils anchored to enclosure

N/A near enclosure support surface 8.

For floor-mounted units, anchorage does not rely on weak-way bending y;-

of cabinet structures under lateral forces l

9.

Adjacent cabinets which are close enough to impact are bolted together N/Ai if they contain essential relays

10. All doors secured by latch or fastener

}

11. Anchorage adequate (See checklist below for details) i

12. Relays mounted ~on equipment evaluated iN/A!

13. Have you looked for and found no other adverse concems?

[

I Is the intent of all the caveats met for Bounding Spectrum?

N, L__________.__

SCREENING EVAL.UATION WORK SHEET (SEWS)

Equip. ID No.

20xiso Equip. Class 4-Transformers Equipment Description PANEL 20Ys0 TRANSFORMER CAVEATS - GERS

1. Equipment is included in generic seismic testing equipment class

'N/Al l

2. ' Meets all Bounding Spectrum caveats (N/Al

3. Dry-type unit (not oil-filled)

INIAI

4. Wall or Floor-mounted NEMA-type enclosure INIAL l

5.1120 to 480 VAC rating INIAL

6. 7.5 to 225 KVA rating Et

' 7. '180 to 2000 pound weight iN/Al t

8. Intemal supports provide positive attachment of transformer components

N/Al

9. There is a minimum clearance of 3/8 inches between bare conductors lN/Al l

and enclosure

10. All adjacent cabinets or sections of multi-bay assemblies bolted together

N/AI

' Is the intent of all the caveats met for GERS7 IN/Al I

i ANCHORAGE

(

1.'

Appropriate equipment characteristics determined g

- (mass, CG, natural freq., damping, center of rotation) l

2. Type of anchorage covered by the GIP

3. Sizes and locations of anchors determined I J

4. Anchorage installation adequate, e.g., weld quality and length, nuts and

]

washers, expansion anchor tightness l

5. Factors affecting anchorage capacity or margin of safety considered: embedment length, y anchor spacing, free-edge distance, concrete strength / condition, and concrete cracking Y

- 6. _ For bolted anchorages, gap under base less than 1/4 inch

7. Factors affecting essential relays considered: gap under base, capacity IN/AI reduction for expansion anchors

8. Base has adequate stiffness and effect of prying action on anchors considered

9. Strength' of equipment base and load path to CG adequate 10.. Embedded steel, grout pad or large concrete pad adequacy evaluated lN/Al

11. The anchorage capacity exceeds the demand 3

Are anchorage requirements met?

SCREENING EVALUATION WORK SHEET (SEWS)

Equip. ID No.

20xiso Equip. CI:ss 4-Transformers Equipment Description PANEL 20Y50 TRANSFORMER INTERACTION EFFECTS

1. Soft target free from impact by nearby equipment or structures

2. If equipment contains sensitive relays, equipment free from allimpact by IN/Al nearby equipment or structures

3. Attached lines have adequate flexibility 4.

Overhead equipment or distribution systems are not likely to collapse

@l

5. No potential sources could flood or spill onto equipment?

6. Have you looked for and found no other adverse concems?

is equipment free of interaction effects?

IS EQUIPMENT SEISMICALLY ADEQUATE 7 g

COMMENTS Floor mounted transformer 20"W x 19"D x 34"H.

C3 - Transformer coil held on with 2 loose bolts,2 bolts are missing.

C8 - Bottom support channel has stiffeners adjacent to anchor bolt locations; similar configurations and details are very well represented in the earthquake experience database.

Anchorage evaluation similar to 30X150.

l 4// 7!9T C A7 -

kd M

Date:

Evaluated by:.

tt. M r/cht i

wo w m..aa

=

SCREENING EVALUATION WORK SHEET (SEWS) 6 Equip. ID No.

30X150 Equip. Class 4-Transformers Equipment Description PANEL 30Y50 TRANSFORMER Location: Bldg.

Tusne sundin -una Floor El. 135 Room Row / Col T3-171 3

Manufacturer. Model. Etc. (Optional but recommended)

Gen. Sianal 50KVA Dry tvoe trans.

SEISMIC CAPACITY VS DEMAND

1. Elevation where equipment receives seismic' input (1351

2. Elevation of seismic input below about 40' from grade

!NIA:

3. Equipment has fundamental frequency above about 8 HZ N/Al

4. Capacity based on:

Existing Documentation DOC Ass!

Bounding Spectrum BS 1.5 X Bounding Spectrum ABS GERS GERS

]

l

5. Demand based on:

Ground Response Spectrum GRS lRRS:

i-1.5 X Ground Response Spectrum AGS Conserv. Des. In-Str. Resp Spec.

CRS Realistic M-Ctr. In-Str. Resp. Spec.

RRS Does capacity exceed demand? (Indicate at right (*) and in COMMENTS

]

if a special exception to enveloping of seismic demand spectrum is invoked per Section 4.2 of the GIP.)

CAVEATS - BOUNDING SPECTRUM (Identify with an asterisk (*) those caveats which are met by intent without meeting the specific wording of the caveat rule and explain the reason for this conclusion in the COMMENTS section below) l 1.

Equipment is included in earthquake experience equipment class 5

2.

4.16KV rating or less l-3.

For Floor-mounted dry-and oil-type unit, transformer coils are positively y

restrained within cabinet 4.

For 750 kVA or larger units, coils are top braced or adequacy shown by evaluation IN/AI i.

5.

For 750 kVA or larger units, 2-inch clearance is provided between

!NIA energized component and cabinet 6.

For 750 kVA or larger units, the slack in the connection between IN/Al the first anchor accommodates 3-inch relative displacement 7.

For well-mounted units, transformer coils anchored to eficiosure lN/Ai near enclosure support surface 8.

For floor-mounted units, anchorage does not rely on weak-way bending g

of cabinet structures under lateral forces 9.

Adjacent cabinets which are close enough to impact are bolted together

N/A

if they contain essential relays i

10. All doors secured by latch or fastener

11. Anchorage adequate (See checklist below for details) 11 (N/Ai

12. Relays mountecf on equipment evaluated

13. Have you looked for and found no other adverse concerns?

[

Is the intent of all the caveats met for Bounding Spectrum?

3 l

SCREENING EVALUATION WORK SHEET (SEWS)

Equip. ID No.

30xiso Equip. Class 4-Transformers Equipment Description PANEL 30Y50 TRANSFORMER CAVEATS-GERS

1. Equipment is included in generic seismic testing eq Jipment class

N/Al

2. Meets all Bounding Spectrum caveats N/Al

3. Dry-type unit (not oil-filled)

N/Al

4. Wall or Floor-mounted NEMA-type enclosure N/Al 5.

120 to 480 VAC rating N/Al

6. 7.5 to 225 KVA rating N/AI 7.

180 to 2000 pound weight

,N_/Aj A

8. Intemal supports provide positive attachment of transformer components INIAI 9.' There is a minimum clearance of 3/8 inches between bare conductors (N/Al and enclosure 1

10. All adjacent cabinets or sections of inulti-bay assemblies bolted together iN/Al lN/Al is the intent of all the caveats met for GERS7 J

ANCHORAGE

1. Appropriate equipment characteristics determined g

(mass, CG, natural freq., damping, center of rotation)

2. Type of anchorage covered by the GlP l

3. Sizes and locations of anchors deterrnined Y

. 4. Anchorage installation adequate, e.g., weld quality and length, nuts and l

washers, expansion anchor tightness

5. Factors affecting anchorage capacity or margin of safety considered: embedment length, y anchor spacing, free-edge distance, concrete strength / condition, and concrete cracking

6. For bolted anchorages, gap under base less than 1/4 inch b

I 7.- Factors affecting essential relays considered: gap under base, capacity

!N/Al reduction for expansion anchors j

8. Base has adequate stiffness and effect of prying action on anchors considered Y

9. Strength of equipment base and load path to CG adequate

10. Embedded steel, grout pad or large concrete pad adequacy evaluated

!N/At

11. The anchorage capacity axceeds the demand 3

f Are anchorage requirements met?

f l

4 o_____ _ _

SCREENING EVALUATION WORK SHEET (SEWS)

Equip. ID No.

30X150 Equip. Cisss 4-Transformers Equipment Description PANEL 30Y50 TRANSFORMER INTERACTION EFFECTS

1. Soft target free from impact by nearby equipment or structures

2. If equipment contains sensitive relays, equipment free from allimpact by INIAj nearby equipment or structures

3. Attached lines have adequate flexibility

4. Overhead equipment or distribution systems are not likely to collapse l

1

5. No potential sources could flood or spill onto equipment?

6. Have you looked for and found no other adverse concerns?

l is equipment free of interaction effects?

IS EQUIPMENT SEISMICALLY ADEQUATE?

g COMMENTS Floor mounteo transformer 20"W x 19"D x 34"H.

C3 - Transformer coil held on with 2 loose bolts,2 bolts are missing.

1 C8 - Bottom support channel has stiffeners adjacent to anchor bolt locations; similar configurations and details are very well represented in the earthquake experience database.

Anchorage evaluation attached - 2 pages. Evaluation based on as-built data obtained by l

the SRT.

l I

)

l Evaluated by:

C' /17. b d Date:

4/G/ff A d. bpA pg/1r WD by CAJ,RD, 4/2e/94 u

9 (I I of &

s ANCHOR 3.0 06 14 1995

'NAME: C:\\ ANCHOR \\30x150j2.owiso CENERAL PARAMETERS

.Concr:te Ultimate Stress

3.000E+03 Reduction Factor

8.500E*01 Welds Allowable Stress

3.060E+04 E rthquake Spectral Accelerations (Gs)

North

• South

7.700E 01 East West

7.700E 01 Vertical

7.700E 01 Combination Criteria 3

1 e 30 $1multaneous 2 e 2D Simultaneous (H+V) 3 e 30 SRSS Arale (North from x axis) : 0.000E+00 ANCHOR BOLT PROPERTIES Ultimate Loads Interaction Safety ID# Anchor Type Tension Shear Tension Shear Factor 1 3/8" HILTI KWIK-BOLT 1.095E+03 1.349E+03 1.000 0.300 1.00 SURFACE NORMAL O!RECTIONS nx ny nz

-1 0.000 0.000 1.000 WEIGHTS weight x

y z

1 9.750E+02 1.000E+01 9.500E+00 2.300E+01 i

COMPRES$10N LINES

)

point-x y

z Dir#

Width 1

1 7.500E-01 0.000E+00 0.000E+00 1 1.500E+00 l

\\

2 7.500E 01 1.900E+01 0.000E+00 2

.1 1.925E+01 0.000E+00 0.000E+00 1 1.500E+00 2 1.925E+01 1.900E+01 0.000E+00 j

Number of elements per compression line (men) 4 l

l ANCHOR BOLTS

)

ID#

x y

z Dir#

- 1 7.500E 01 1.000E+00 0.000E+00 1

2 1 1.925E+01 1.000E+00 ~ 0.000E+00 1

3 1 1.925E+01 1.800E+01 0.000E+00 1

-4 1 7.500E 01 1.800E+01 0.000E+00 L_

3ow < hO ANALYstshESULTS

\\'A C.E.

7 o Y

'2,,

s f

Spectral Accelerations (Gs)

Sofoty NS E-W Vertical Margin 5 7.700E 01 3.080E 01 3.000E 01 2.471E+00

• 7.700E-01 3.080E 01 -3.080E 01 3.419E+00 l

-3 7.700E 01 3.080E 01 3.080E 01 2.471E+00 l

4 7.700E 01 3.080E 01 3.080E-01 3.419E+00 l

5 7.700E 01 3.080E 01 3.080E 01 2.471E+00 j

6 -7.700E 01 3.080E 01 3.000E-01 3.419E+00 l

• 7 7.700E 01 3.080E-01 3.080E 01 3.419E+00 8 -7.700E 01 3.000E 01 3.080E 01 2.471E+00 9 3.080E-01 7.700E-01 3.000E 01 2.121E+00 i

10 3.000E-01 7.700E 01 3.000E-01 2.721E+00 l

11 3.000E 01 7.700E 01 3.000E 01 2.121E+00 12 3.080E 01 7.700E-01 3.000E 01' 2.721E+00 l

13 3.080E 01 7.700E 01 3.080E 01 2.121E+00

[

14 3.080E*01 7.700E 01 3.000E-01 2.721E+00 15 3.080E-01 7.700E 01 -3.080E 01 2.721E+00

_16 -3.000E '1 -7.700E 01 3.000E 01 2.121E+00 17.3.080E 01 3.080E 01 7.700E 01 3.262E+00 f

18 3.080E-01 -3.000E 01 7.700E 01 1.132E+01

19' 3.000E 01 3.000E 01 -7.700E 01 1.132E+01 20 3.080E 01 3.000E 01 7.700E 01 3.262E+00 29 -3.080E 01 3.080E 01 7.700E-01 3.262E+00 22 3.080E-01 3.080E 01 -7.700E 01 1.132E+01 23 3.080E 01 3.080E 01 7.700E 01 3.262E+00 24 -3.080E-01 3.000E-01 7.700E 01 1.132E+01 Minimum safety Mergin = 2.121E+00 l

I I

l I

l I

L W

1 i

L I

~ _ _ _ _ ~ _ ______

SCREENING EVALUATION WORK SHEET (SEWS)

Equip. ID No. 3BP42 Equip. Class 6 - Vertical Pumos Equipment Description HIGH PRESSURE SERVICE WATER PUMP B Location: Bldg. Pumo House Floor El.111 Room Row / Col P/H-9

' M nufacturer. Model. Etc. (Optional but recommended)

Verti-Une Pumo Model 18FXH Horsepower / Motor Rating (opt.) 1010 RPM (opt.)1IIQ Head (opt.)IQQ ft Flow Rate (opt.) 4500 gom SEISMIC CAPACITY VS DEMAND

1. Elevation where equipment receives seismic input h11l

2. Elevation of seismic input below about 40' from grade

3. Equipment has fundamental frequency above about 8 Hz y1

4. Capacity based on:

Existing Documentation DOC Q

Bounding Spectrum BS 1.5 X Bounding Spectrum ABS GERS GERS

5. Demand based on:

Ground Response Spectrum GRS lGRSI 1.5 X Ground Response Spectrum AGS Conserv. Des. in-Str. Resp Spec.

CRS Realistic M-Ctr. In-Str. Resp. Spec.

RRS Does capacity exceed demand? (Indicate at right (*) and in COMMENTS if a special exception to enveloping of seismic demand spectrum is invoked per Section 4.2 of the GIP.)

CAVEATS - BOUNDING SPECTRUM (identify with an asterisk (*) those caveats which are met by intent without meeting the specific wording of the cavsat rule and explain the reason for this conclusion in the COMMENTS section below) 1.

Equipment is included in earthquake experience equipment class 2.

Casing and Impeller shaft not cantilevered more than 20 feet, g

with radial bearing at bottom to support shaft 3.

No risk of excessive nozzle loads such as gross pipe motion

]

or differential displacement l

4.

Attached lines (cooling, air, electrical) have adequate flexibility 5.

Anchorage adequate (See checklist below for details)

S

6. Relays mounted on equipment evaluated lN/A!

l

7. Have you looked for and found no other adverse concems?

i is the intent of all the caveats met for Bounding Spectrum?

S

s w 2 of 2 SCREENING EVAL UATION WORK SHEET (SEWS)

Equip. ID No. 3BP42 Equip. Cless 6 - Vertical Pumos

/

Equipment Description HIGH PRESSURE SERVICE WATER PUMP B ANCHORAGE

1.. Appropriate equipment characteristics determined g'

(mass, CG, natural freq., damping, center of rotation)

2. Type of anchorage covered by the GIP

3. Sizes and locations of anchors determined l

4. Anchorage installation adequate, e.g., weld quality and length, nuts and

]

washers, expansion anchor tightness

5. Factors affecting anchorage capacity or margin of safety considered: embedment length, g.

anchor spacing, free-edge distance, concrete strength / cor.dition, and concrete cracking

6. For bolted anchorages, gap under base less than 1/4 inch _

Y

7. Factors affecting essential relays considered: gap under base, capacity IN/AI reduction for expansion anchors

8. Base has adequate stiffness and effect of prying action on anchors considered

9. Strength of equipment base and load path to CG adequate I

10. Embedded steel, grout pad or large concrete pad adequacy evaluated Y

11. The anchorage capacity exceeds the demand U

Are anchorage requirements met?

U INTERACTION EFFECTS

-l

1. Soft target free from impact by nearby equipment or structures Y

l

2. If equipment contains sensitive relays, equipment free from allimpact by jyggl nearby equipment or structures -

3. Attached lines have adequate flexibility

4. Overhead equipment or distribution systems are not likely to collapse

5. No potential sources could flood or spill onto equipment?

6. Have you looked for and found no other adverse concems?

Is equipment free of interaction effects?

IS EQUIPMENT SEISMICALLY ADEQUATE 7 COMMENTS C2 - casing and shaft greater than 20 ft.

Reference calculation 6280-E8-108-1 for GE-1000 HP motor seismic analysis.

• See 2AP42 for anchorage evaluation.

16 - Yard Gantry crane not tied down, could fall on pump house.

I 7/rIf Evaluated by;.

6dw~

Date:

a m x 31 nehr wow cu m

=tsu 1

I

- _ _ __ _ ~_ _ ___

SCREENING EVALUATION WORK SHEET (SEWS) 1 Equip. ID No. 0AK032 Equip. Class 9 - Fans Equipment Description "A" EMERGENCY COOLING TOWER FAN Emergenev Cookna Floor El.

195 Room Row / Col ECT-6 Location: Bldg. Towers

~ Manufacturer. Model. Etc. (Optional but recommended) Ceramic Coolinal Hudson 1-APT-308-11

{

SEISMIC CAPACITY VS DEMAND

{

195:

l

1. Elevation where equipment receives seismic input

2. Elevation of seismic input below about 40' from grade N/A'

3. Equipment has fundamental frequency above about 8 HZ N/A!

4. Capacity based on:

Existing Documentation DOC ABS:

Bounding Spectrum BS 1.5 X Bounding Spectrum ABS GERS GERS

5. Demand based on:

Ground Pesponse Spectrum GRS CRS:

1.5 X Ground Response Spectrum AGS Conserv. Des. In-Str. Resp Spec.

CRS Realistic M-Ctr. In-Str. Resp. Spec.

RRS Does capacity exceed demand? (Indicate at right (*) and in COMMENTS N

if a special exception to enveloping of seismic demand spectrum is invoked per Section 4.2 of the GIP.)

CAVEATS - BOUNDING SPECTRUM (Identify with an asterisk (*) those caveats which are met by intent without meeting the specific wording of the caveat rule and explain the reason for this conclusion in the COMMENTS section below)

~

1.

Equipment is included in earthquake experience equipment class Y,'

F 2.

Drive motor and fan mounted on common base 3.

For axial fan with long shaft between fan and motor, shaft supported

{

at fan as well as motor N/A 4.

No possibility of excessive duct distortion causing binding or misalignment of fan 5.

Base vibration isolators adequate of seismic loads N/A 6.

Attached lines (electrical) have adequate flexibility i

7.

Anchorage adequate (See checklist below for details)

}

8.

Have you looked for and found no other adverse concerns?

Is the intent of all the caveats met for Bounding Spectrum?

Y_

SCREENING EVALUATION WORK SHEET (SEWS)

Equip. ID No. 0AK032 Equip. Class 9 - Fans Equipment Description "A" EMERGENCY COOLING TOWER FAN ANCHORAGE

1. Appropriate equipment characteristics determined 3

(mass, CG, natural freq., damping, center of rotation)

2. Type of anchorage covered by the GIP

3. Sizes and locations of anchors determined 1

4.

Anchorage installation adequate, e.g., weld quality and length, nuts and j

washers, expansion anchor tightness

5. Factors affecting anchorage capacity or margin of safety considered: embedment length, y anchor spacing, free-edge distance, concrete strength / condition, and concrete cracking -

5'

6. For bolted anchorages, gap under base less than 1/4 inch 1

7. Base has adequate stiffness and effect of prying action on anchors considered N/A:

~

8. Strength of equipment base and load path to CG adequate 1

~

9. Embedded steel, grout pad er large concrete pad adequacy evaluated 1

.N/Al

10. The anchorage capacity exceeds the demand 5

Are anchorage requirements met?

INTERACTION EFFECTS

1. Soft target free from impact by nearby equipment or structures

]Yj

2. Attached lines have adequate flexibility y

3. Overhead equipment or distribution systems are not likely to collapse 1

f 4.

No potential sources could flood or spill onto equipment?

i f

1

5. Have you looked for and found no other adverse concerns?

I t

is equipment free of interaction effects?

IS EQUIPMENT SEISMCALLY ADEQUATE?

}

C2 - motor and fan mounted directly to concrete at different points, however there should be no g

diff. displacement therefore the intent of the caveat is met.

Long shaft has int. bearing supports, no concerns.

l Fan base and motor base has thru bolts.

l 6 /t V/#

u u 6. eda Date:

Evaluated by:

Y 6l/YlfY

~

/

WD by D.E JAE.

54Ml94.

t l

I l

J

SCREENING EVALUATION WORK SHEET (SEWS)

Equip. ID No. 2CD01 Equip. Class 15 - Batteries on Racks Equipment Description "2C"125VDC BATTERY Turbine Bui!dino. Unit Floor El. 135 Room Row / Col I2-IQ Location: Bldg. $ del. Etc. (Optional but recommended) heide Calcium Flat Plate CC model 2GN-23 M:nufacturer. M SElGMIC CAPACITY VS DEMAND 135:

1. Elevation where equipment receives seismic input

2. Elevation of seismic input below about 40' from grade g

3. Equipment has fundamental frequency above about 8 Hz

'N/A:

4. Capacity based on:

Existing Documentation DOC

ABS' Bounding Spectrum BS 1.5 X Bounding Spectrum ABS

]

GERS GERS

5. Demand based on:

Ground Response Spectrum GRS RRS 1.5 X Ground Response Spectrum AGS Conserv. Des. In-Str. Resp Spec.

CRS Realistic M-Ctr. In-Str. Resp. Spec.

RRS Does capacity exead demand? (Indicate at right (*) and in COMMENTS V-if a special exception to enveloping of seismic demand spectrum is invoked per Section 4.2 of the GIP.)

CAVEATS - BOUNDING SPECTRUM (Identify with an asterisk (*) those caveats which are met by intent without meeting the specific wording of the caveat rule and explain the reason for this conclusion in the COMMENTS section below)

~

1. ' Equipment is included in earthquake experience equipment class N.

2.. Plates of the cells are of lead-calcium flat-plate, Plante or of Manchex design 1

-3.

Each individual battery weighs less than 450 lbs' 3

Close-fitting, crush resistant spacers fill two-thirds of vertical space between cells 5

4.

h 5.

Cells restrainted by end and side rails 3

6.

Racks have longitudinal crocs bracing N/A' 7.

Wood racks evaluatad to industry accepted standards Batteries greater than 10 years old specifically evaluated for aging effects 5

8.

1 9.'

Anchorage adequate (See checklist below for details)

~

}

10. Have you looked for and found no other adverse concerns?

la the intent of all the caveats met for Bounding Spectrum?

h CAVEATS - GERS (Identify with an asterisk (*) those caveats which are met by intent without meeting the specific wording of the caveat rule and explain the reason for this conclusion in the COMMENT

- below) -

N/Al Equipment is included in generic seismic testing equipment class 1.

N/A'

2. Meets all Bounding Spectrum caveats N/A' Plates of the cells are of lead-calcium flat-plate design (i.e., not Manchex design) 3.

Batteries supported on two-step racks or single-tier racks; restrainted N/Ai 4.

by double side and end rails which are symmetrically located with l

respect to the cell center-of-gravity

!NIA' i

is the intent of all the caveats met for GERS7

SCREENING EVALUATION WORK SHEET (SEWS)

-Equip. ID No. 2CDo1 Equip. Class 15 - Batteries on Racks Equipment Description

' 2C"125VDC BATTERY ANCHORAGE

1. Appropriate equipment characteristics determined y

- (mass, CG, natural freq., damping, center of rotation)

2. Type of anchorage covered by the GIP

3. Sizes and locations of anchors determined I

4. Anchorage installation adequate, e.g.,' weld quality and length, nuts and V-washers, expansion anchor tightness

5. Factors affecting anchorage capacity or margin of safety considered: embedment length, 7 anchor spacing, free-edge distance, concrete strength / condition, and concrete cracking ]

6. For bolted anchorages, gap under base less than 1/4 inch 1

7. Base has adequate stiffness and effect of prying action on anchors considered

8. Strength of equipment base and load path to CG adequate 1

9. Embedded steel, grout pad or larg :oncrete pad adequacy evaluated N/A-

10. The anchorage capacity exceeds the demand

}

Are anchorage requirements met?

,yj INTERACTION EFFECTS

~

1.

Soft target free from impact by nearby equipment or structures N,

2. Attached lines have adequate flexibility

3. Overhead equipment or distribution systems are not likely to collapse J

4.

No potential sources could flood or spill onto equipment?

J

5. Have you looked for and found no other adverse concems?

J ls equipment free of interaction effects?

y IS EQUIPMENT SEISMCALLY ADEQUATE?

}.

Refer to PECO Calc PS-155 Seismic Eval of Battery Racks to support Battery Cell Changeout COMMENTS Activity.

Battery Rooms are enclosed by block walls. Safety related block walls were evaluated due to 80-11 bulletin. In addition, block walls were evaluated for IPEEE.

C1, C3 - Batteries are 700# which is outside of the earthquake experience database, need to obtain test data.

C5 - Some end rails are not snug with batteries.

11 - overhead fluorescent lights (2 - 44" long fixtures) are suspended w/ chains, do not have closed S hooks. This is a housekeeping issue, but it will be tracked as an outlier.

Refer to 38001 for anchorage evaluation.

Evaluated by:. C 777. A9L 1s Date:

4 //4 /fr

/

$. [. &

8//dff wo w wo y==

SCREENING EVALUATION WORK SHEET (SEWS)

Equip. Class 18 - Instruments on Racks l,

Equip. ID No. 3AC65 Equipment Description BPS INSTRUMENT RACK Location: Bldg.

R== Mar Buildino - Unit 3 Floor El. 165 Room Row / Col R3-40 M:nufacturer. Model. Etc. (Optional but recommended) l

- SEISMIC CAPACITY VS DEMAND 165'

1. Elevation where equipment receives seismic input N/A

2. Elevation of seismic input below about 40' from grade N/A

)

3. Equipment has fundamental frequency above about 8 Hz l

4. Capacity based on:

Existing Documentation DOC ADS Bounding Spectrum BS 1.5 X Bounding Spectrum ABS l

GERS GERS f

5. Demand based on:

Ground Response Spectrum GRS CRS j

1 1.5 X Ground Response Spectrum AGS Conserv. Des. in-Str. Resp Spec.

CRS Realistic M-Ctr. In-Str. Resp. Spec.

-RRS Does capacity exceed demand? (Indicate at right (*) and in COMMENTS N

)

-if a special exception to enveloping of seismic demand spectrum is invoked l

per Section 4.2 of the GIP.)

f

- CAVEATS - BOUNDING SPECTRUM (Identify with an asterisk (*) those caveats which are met by intent without meeting the specific wording of the caveat rule and explain the reason for thi conclusion in the COMMENTS section below)

1. - Equipment is included in earthquake experience equipment class 1

N/A 2.'

No computers or programmable controllers k

3.

Steel frame and sheet metal structurally adequate

. 4.'

Adjacent racks which are close enough to impact, or sections of

~F e

multi-bay racks, are bolted together if they contain essential relays l

Y_

5.

Natural frequency relative to 8 Hz limit considered

}

~ 6.

Attached lines have adequate flexibility 7.

Anchorage adequate (See checklist below for details)

NI._A 8.

Releys mounted on equipment evaluated Y

Have you looked for and found no other adverse concerns?

9.

3

. Is the intent of all the caveats met for Bounding Spectrum?

o 1

SCREENING EVALUATION WORK SHEET (SEWS) -

Equip. ID No. 3AC65 Equip. Class 18 - Instruments on Racks Equipment Description RPS INSTRUMENT RACK l

l CAVEATS - GERS N/A l-

1. Equipment is included in generic seismic testing equipment class

'N/A

2. Meets all Bounding Spectrum caveats

N/A.

3.

Component is a pressure, temperature, ievel or flow transmitter 4.

Component is one of the specific makes and models tested, as listed

.N/A' f

in Appendix B i

5. _ Necessary function of the component not sensitive to seismically

.N/A induced system perturbations, e.g., sloshing ( cover this as part of ~

l Section 6 evaluation) l N/A_

' 6.

No vacuum tubes 5/1 7,

All external mounting bolts in place 8.

Demand based on realistic amplification of floor response through rack

'N/A to transmitter-to-rack interface (document basis)

'N/A

9. ' Rack capable of structurally transferring seismic demand loads to j

l anchorage f

10. All adjacent racks or sections of multi-bay assemblies bolted together N/A N/A is the intent of all the caveats met for GERS?

ANCHORAGE

1. Appropriate equipment characteristics determined y

~

(mass, CG, natural freq., damping, center of rotation) 3

2. ' Type of anchorage covered by the GlP 1

. 3. Sizes ar.d locations of anchors determined F

4. Anchorage installation adequate, e.g., weld quality and length, nuts and

~~

washers,- expansion anchor tightness

5. Factors affecting anchorage capacity or margin of safety considered: embedment length, y anchor spacing, free-edge distance,. concrete strength / condition, and concrete cracking -

5

6. For bolted anchorages, gap under base less than 1/4 inch

N/A!

7. Factors affecting essential relays considered: gap under base, capacity reduction for expansion anchors

8. Base has adequate stifiness and affect of prying action on anchors considered 3

3

9. Strength of equipment base and load path to CG adequate N/A1 10.- Embedded steel, grout pad or large concrete pad adequacy evaluated 3

11. The anchorage capacity exceeds the demand i_

Are anchorage requirements met?

J

SCREEN G E ALUATION WORK SHEET (SEWS) j

~ ~

• Equip. Class 18 - Instruments on Racke

{

Equip. ID No. 3AC65 Equipment Description MS INSTRUMENT R ACK

(

INTERACTION EFFECTS

~

Soft target free from impact by nearby equipment or structures 1.

If equipment contains sensitive relays, equipment free from allimpact by NIA:

2.

nearby equipment or structures 2

3. Attached lines have adequate flexibility Overhead equipment or distribution systems are not likely to collapse 4.

5. No potential sources could flood or spill onto equipment?

1; 5

6. Have you looked for and found no other adverse concerns?

1 is equipment free of interaction effects?

h IS EQUIPMENT SEISMICALLY ADEQUATE?

Rack includes the following components:

)

COMMENTS LT3-2-3-72A, LT3-2-3-72C : Rx Shroud Water Level.

PT3-6-53A : Reactor Pressure.

Rack 3AC65 is composed of 3 sections,25-5A(72"),25-5B(60"),25-5-01(36").

A4 - Tightness check on anchor bolts was not performed. The SRT felt that a proper tightness check could not be obtained due to grout thickness under the anchors (max, g

=2").

Reference dwgs. 6280-M-1-EE 168(9)-55 and 6280-M-1-EE-168(10)-55.

Refer to 2AC65 for anchorage evaluation.

l l

l 7/r,/fO S.,c. ms O 40M Date:

Evaluated by:

7/,Ms

// '

8/15G.4.

[^

WD by DE lAE

~

SCREENING EVALUATION WORK SHEET (SEWS)

Equip. ID No. 30c124 Equip. Class 20 - I&C Panels & Cabinets Equipment Description CRT AND RFPT TEST PANEL Location: Bldg. Turbine Buildina - Unit 2 Floor El. 165 Room Row / Col T3-100 t

Manufacturer. Model. Etc. (Optional but recommended) GE SEISMIC CAPACITY VS DEMAND

1. Elevation where equipment receives seismic input 165

2. Elevation of seismic input below about 40' from grade N/A

3. Equipment has fundamental frequency above about 8 Hz N/A' 4; Capacity based on: Existing Documentation DOC ABS

)

Bounding Spectrum BS

)

1.5 X Bounding Spectrum ABS GERS GERS

5. Demand based on:

Ground Response Spectrum GRS RRS 1.5 X Ground Response Spectrum AGS 3

I Conserv. Des. In-Str. Resp Spec.

CRS Realistic M-Ctr. In-Str. Resp. Spec.

RRS Does capacity exceed demand? (Indicate at right (*) and in COMMENTS y

if a special exception to enveloping of seismic demand spectrum is

)

j invoked per Section 4.2 of the GIP.)

CAVEATS - BOUNDING SPECTRUM (Identify with an asterisk (*) those caveats which are met by intent without meeting the specific wording of the caveat rule and explain the reason for this conclusion in the COMMENTS section below) 1.

Equipment is included in earthquake experience equipment class Y

2.

No computers or programmable controllers -

N/A 3.

No strip chart recorders Y

4.

Steel frame and sheet metal structurally adequate 5.

Adjacent cabinets or panels which are close enough to

-y impact, or sections of multi-bay cabinets or panels, are bolted together if they contain essential relays Y

6.

Drawers and equipment on slides restrained from falling out f

7.

All doors secured by latch or fastener Y'

'8.

Attached lines have adequate flexibility 9.

Anchorage adequate (See checklist below for details)

'_Y Y

10. Relays mounted on equipment evaluated Y

11 Have you looked for and found no other adverse concerns?.

is the intent of all th6 caveats met for Bounding Spectrum?

I

-___J

SCREENING EVALUATION WORK SHEET (SEWS)

Equip. ID No. aces 24 Equip. Class 20 - I&C Panels & Cabinets Equipment Description CRT AND RFPT TEST PANEL ANCHORAGE

~

1. Appropriate equipment characteristics determined y

(mass, CG, natural freq., damping, center of rotation)

2. ' Type of anchorage covered by the GlP

[

3. - Sizes and locations of anchors determined y

4. Anchorst,e installation adequate, e.g., weld quality and length, nuts and j

j washers, expansion anchor tightness

5. Factors affecting anchorage capacity or margin of safety considered: embedment length, ~ y anchor spacing, free-edge distance, concrete strength / condition, and concrete cracking -

1

6. For bolted anchorages, gap under base less than 1/4 inch N/Al 7.~

Factors affecting essential relays considered: gap under base, capacity V

~

reduction for expansion anchors

8. Base has adequate stiffness and effect of prying action on anchors considered

}

9; Strength of equipment base and load path to CG adequate

}.

10. Embedded steel, grout pad or large concrete pad adequacy evaluated JJ

, 11. The anchorage capacity exceeds the demand

.YJ

{

Are anchorage requirements met?

INTERACTION EFFECTS

1. Soft target free from impact by nearby equipment or structures 5

2. If equipment contains sensitive relays, equipment free from allimpact by N/Ai nearby equipment or structures

3. L Attached lines have adequate flexibility h

4. Overhead equipment or distribution systems are not likely to collapse 1

L,1 Y

5. No potential sources could flood or spill onto equipment?

6. ~ Have you looked for and found no other adverse concerns?

h

!s equipment free of interaction effects? -

3 i

IS EQUIPMENT SEISMICALLY ADEQUATE?

h l

I l

l l

Porch Bett::m At:mic Pcwor Statlan Status OY ON Ou SCREENING EVALUATION WORK SHEET (SEWS)

)

_ Equip. ID No. 30C124 Equip. Class 20 -l&C Panels & Cabinets Equipment Description CRT AND RFPTTEST PANEL COMMENTS For cabinet outline refer to dwgs. 6280-M-1-EE-292-15 Sh.1 and 6280-M-1-EE 292-11, Sh. 2.

16 - Aperture card cabinet files and reader are located on the rear of the cabinet. This is a general housekeeping issue and is tracked as an outlier. However, the panel does not have any essential relays and the housekeeping issue is inconsequential and not a concern for this cabinet.

C2 - Based on electrical system reviews, there are no computers or programmable controllers on this cabinet.

C3 - Strip chart recorders were inspected for mounting adequacy and ll/l concems by the SRT.

The Control Room cabinet welds to the embedded C4 channels were upgraded per Mod # 2376 (WO #10811600). Refer to Letter No. BLP-24324, Doc. Control No. 023595 and dwgs. 6280-S-1197, Shts.

1-3, Rev.0 for details. For embedded channel details, refer to dwgs. S-71, Rev. 28 and S-173, Rev.

13.

A2 - The cast-in-place J-bolts for the embed channel do not meet the GlP cntena with respect to embedment and 90 deg, hook lengths. The anchor evaluation was performed using the guidelines of EPRI NP-5228-SL, Rev.1. Vol.1 document. (Ref. VECTRA Calculation No. 0067-00084-C-017, Rev.

0).

1 l

1 I

l I

l t

l l

Evaluated by:

8E d

Date:

ro/ro/fr y

R.t.Da A ro'<Ar WD by DA,RQ

• 6L1ASA l

l

)

L --_-_ _ --- _ _ - -

--- J

SCREENING EVALUATION WORK SHEET (SEWS)

Equip. ID No. 00C29A Equip. Class 20 -l&C Panels & Cabinets-Equipment Description EMERGENCY PROTECTION RELAY BOARD Location: Bldg. Turbine Blda - U2 Floor El. 1EE Room Row / Col T2-100 M:nufacturer. Model. Etc. (Optional but recommended) Leeds Northroo SEISMIC CAPACITY VS DEMAND 165:

1. Elevation where equipment receives seismic input

2. Elevation of seismic input below about 40' from grade N/A:

3. Equipment has fundamental frequency above about 8 Hi.

.N/A,

4. Capacity based on: Existing Documentation DOC ABS:

Bounding Spectrum BS j

t 1.5 X Bounding Spectrum ABS GERS GERS

5. Demand based on:

Ground Response Spectrum GRS

RRS:

1.5 X Ground Response Spectrum AGS Conserv. Des. In-Str. Resp Spec.

CRS Realistic M-Ctr. In Str. Resp. Spec.

RRS Does capacity exceed demand? (Indicate at right (*) and in COMMENTS

~

y:

l if a special exception to enveloping of seismic demand spectrum is l

invoked per Section 4.2 of the GlP.)

CAVEATS - BOUNDING SPECTRUM (Identify with an asterisk (*) those caveats which are met by intent without meeting the specific wording of the caveat rule and explain the reason for this conclusion in the COMMENTS section below)

~

1.

Equipment is included in earthquake experience equipment class Yj

'N/A' l

2.

No computers or programmable controllers

!N/Al 3.

No strip chart recorders 4.

Steel frame and sheet metal structurally adequate Yj 5.

Adjacent cabinets or panels which are close enough to y

impact, or sections of multi-bay cabinets or panels, are bolted together if they contain essential relays 6.

Drawers and equipment on slides restrained from falling out

N/At

}

7.

All doors secured by latch or fastener 8.

Attached lines have adequate flexibility 9.

Anchorage adequate (See checklist below for details) 3

10. Relays mounted on equipment evaluated

11. Have you looked for and found no other adverse concerns?

Is the intent of all th'e caveats met for Bounding Spectrum?

5

SCREENING EVALUATION WORK SHEET (SEWS) i Equip. ID No. 00C29A Equip. Class 20 - I&C Panels & Cabinets Equipment Description EMERGENCY PROTECTION RELAY BOARD ANCHORAGE 1 Appropriate equipment characteristics determined y

(mass, CG, natural freq., damping, center of rotation)

2. ' Type of anchorage covered by the GIP fl

3.. Sizes and locations of anchors determined 3

4. Anchorage installation adequate, e.g., weld quality and length, nuts and 3

washers, expansion anchor tightness Factors affecting anchorage capacity or margin of safety considered: embedment length, y 5.

anchor spacing, free-edge distance, concrete strength / condition, and concrete cracking

6.. For bolted anchorages, gap under base less than 1/4 inch N/Al

7. Factors affecting essential relays considered: gap under base, capacity i

reduction for expansion anchors 8.

Base has adequate stiffness and effect of prying action on anchors considered j

9. Strength of equipment base and load path to CG adequate 3

10. Embedded steel, grout pad or large concrete pad adequacy evaluated j

19. The anchorage capacity exceeds the demand 5

Are anchorage requirements met?

3-INTERACTION EFFECTS

1. Soft target free from impact by nearby equipment or structures j

2. If equipment contains sensitive relays, equipment free from allimpact by p

nearby equipment or structures

3. Attached lines have adequate flexibility 3

- 4.

Overhead equipment or distribution systems are not likely to collapse j

5. No potential sou."ces could flood or spill onto equipment?

3

6. Have you looked for and found no other adverse concerns?

[

is equipment free of interaction effects?

5 l

IS EQUIPMENT SEISMICALLY ADEQUATE?

3 l

SCREENING EVALUATION WORK SHEET (SEWS)

, Equip, ID No. 00C29A Equip. Class 20 -l&C Panels & Cabinets Equipment Description EMERGENCY PROTECTION RELAY BOARD COMMENTS For cabinet outline, refer to dwgs. 6280-E-17-30 & 31, Rev.18.

12 - unsecured locker located approximately 42" behind 00C29A and 8 may cause interaction. Locker dimension is 36'W X 18"D X 72"H.

For relay evaluation use AF of 4.5.

Reference 6280-E17-5391 Final Report 74012 titled Seismic Structural Analysis of CAD System Panel 20C484A and Emergency System Relay Panel 00C29A.

The Control Room cabinet welds to the embedded C4 channels were upgraded per Mod # 2376 (WO #10811600). Refer to Letter No. BLP-24324, Doc. Control No. 023595 and dwgs. 6280-S-1197, Shts.

1-3, Rev.0 for details. For embedded channel details, refer to dwgs. S-71, Rev. 28 and S-173, Rev.

13.

A2 - The cast in-place J-bolts for the embed channel do not meet the GlP cnteria with respect to embedment and 90 deg. book lengths. The anchor evaluation was performed using the guidelines of EPRI NP 5228-SL, Rev.1. Vol. i document. (Ref. VECTRA Calculation No. 0067-00084-C-017. Rev.

0).

l l

l

.i l

i Date:

N/ro/hr Evaluated by:

8,Im,mwn h, [. h&

h/9/4 J~

\\

WD by DA.R0 6dAGd l

j f

(-

I L

R

@heet 9 07 8 i

3 SCREENING EVALUATION WORK SHEET (SEWS)

Equip. ID No. 00C29B Equip. Class 20 -I&C Panels & Cabinets Equipment Description EMERGENCY PROTECTION RELAY BOARD Location: Bldg. Turbine sida - u2 Floor El. 16.5 Room Row / Col T2-100 Manufacturer Model. Etc. (Optional but recommended) Leeds Northroo SEISMIC CAPACITY VS DEMAND

1. Elevation where equipment receives seismic input 165

2. Elevation of seismic input below about 40' from grade N/A'

3. Equipment has fundamental frequency above about 8 Hz N/A:

4. Capacity based on:

Existing Documentation DOC ABS Bounding Spectrum BS l

1.5 X Bounding Spectrum ABS GERS GERS

5. Demand based on:

Ground Response Spectrum GRS RRS:

1.5 X Ground Response Spectrum AGS Conserv. Des. In-Str. Resp Spec.

CRS Realistic M-Ctr. In-Str. Resp. Spec.

RRS Does capacity exceed demand? (Indicate at right (*) and in COMMENTS V

if a special exception to enveloping of seismic demand spectrum is invoked per Section 4.2 of the GlP.)

CAVEATS - BOUNDING SPECTRUM (Identify with an asterisk (*) those caveats which are met by intent without meeting the specific wording of the caveat rule and explain the reason for this conclusion in the COMMENTS section below) i 1.

Equipment is included in earthquake experience equipment class 1

2.

No computers or programmable controllers N/A N/A' 3.

No strip chart recorders 4.

Steel frame and sheet metal structurally adequate Y,,

5.

Adjacent cabinets or panels which are close enough to i-l impact, or sections of multi-bay cabinets or panels, are bolted together if they contain essential relays 6.

Drawers and equipment on slides restrained from falling out N/A' All doors secured by latch or fastener 1

7.

8. - Attached lines have adequate flexibility l

9.

Anchorage adequate (See checklist below for details) k

10. Relays mounted on equipment evaluated

11. Have you looked for and found no other adverse concerns?

Is the intent of all th'e caveats met for Bounding Spectrum?

4 L---_-____

(

SCREENING EVALUATION WORK SHEET (SEWS) l Equip. ID No. 00C29B Equip. Class 20 -I&C Panels & Cabinets i

I Equipment Description EMERGENCY PROTECTION RELAY BOARD j

l I

ANCHORAGE

1. Appropriate equipment characteristics determined y

(mass, CG, natural freq., damping, center of rotation) 1

2. Type of anchorage covered by the GlP

}

3. Sizes and locations of anchors determined Yj

4. Anchorage installation adequate, e.g., weld quality and length, nuts and j

washers, expansion anchor tightness

5. Factors affecting anchorage capacity or margin of safety considered: embedment length, V; anchor.nacing, free-edge distance, concrete strength / condition, and concrete cracking -

N/A' 6.

For bolted anchorages, gap under base less than 1/4 inch 7.

Factors affecting essential relays considered: gap under base, capacity j

reduction for expansion anchors

8. Base has adeqtate stiffness and effect of prying action on anchors considered

~

1

~

9. Streng:L of equipment base and load path to CG adequate 1

10. Embedded steel, grout pad or large concrete pad adequacy evaluated 3

11. The anchorage capacity exceeds the demand 5

Are anchorage requirements met?

INTERACTION EFFECTS

1. Soft target free from impact by nearby equipment or structures IYj

2. If equipment contains sensitive relays, equipment free from allimpact by

.g nearby equipment or structures 3

3. Attached lines have adequate flexibility VJ

4. Overhead equipment or distribution systems are not likely to collapse

5. No potential sources could flood or spiti onto equipment?

5

6. Have you looked for and found no other adverse concerns?

1 h

is equipment free of interaction effects?

IS EQUIPMENT SEISMICALLY ADEQUATE?

3

Pca:h Cattom Atomic P;wer Stati n Status O Y O N Ou Sheet 3 of 3 SCREENING EVA1.UATION WORK SHEET (SEWS)

Equip, ID No. 00C29B Equip. Class 20 I&C Panels & Cabinets Equipment Description EMERGENCY PROTECTION RELAY BOARD COMMENTS For cabinet outline, refer to dwgs. 0280-E-17-30 & 31, Rev.18.

12 - unsecured locker located approximately 42" behind 00C29A and B may cause interaction. Locker dimension is 36"W X 18"D X 72"H.

For relay evaluation use AF of 4.5.

Reference 6280-E17-539-1 Final Report 74012 titled Seismic Structural Analysis of CAD System Panel 20C484A and Emergency System Relay Panel 00C29A.

The Control Room cabinet welds to the embedded C4 channels were upgraded per Mod # 2376 (WO #10811600). Refer to Letter No. BLP-24324, Doc. Control No. 023595 and dwgs. 6280-S-1197, Shts.

1-3, Rev.0 for details. For embedded channel details, refer to dwgs. S-71, Rev. 28 and S-173, f.ev.

j 13.

j A2 - The cast-in-place J-bolts for the embed channel do not meet the GIF criteria with respect to embedment and 90 deg. hook !engths. The anchor evaluation was performed using the guidelines of EPRI NP-5228-SL, Rev.1, Vol.1 document. (Ref. VECTRA Calculation No. 0067-00084-C-017, Rev.

i 0).

l l

Evaluated by:

8d 74 Date:

/o/ro/er-

.. R. t. k.:-L u/o/rr l

waw oua sa m

)

P :ch B::ttom At mic Pcwor Statien Status O Y O N Ou R SCREENING EVALUATION WORK SHEET (SEWS)

Equip. ID No. occ29c Equip. Class 20 -l&C Panels & Cabinets Equipment Description EMERGENCY PROTECTION RELAY BOARD Location

Bldg. Turbine Bldg - U2 Floor El. 165 Room Row / Col T2-100 1

l Manufacturer. Model. Etc. (Optional but recommenoad) Leeds Northren SEISMIC CAPACITY VS DEMAND j

1. Elevation where equipment receives seismic input 165

2. Elevation of seismic input below acwt 40' from grade N/A

3. Equipment has fundamental frequency above about 8 HZ N/A

4. Capac4y based on:

Existing Documentation DOC ABS Bounding Spectrum BS 1.5 X Bounding Spectrum ABS GERS GERS

5. Demand based on:

Ground Response Spectrum GRS RRS' 1.5 X Ground Response Spectrum AGS Conserv. Des. In-Str. Resp Spec.

CRS Realistic M-Ctr. In-Str. Resp. Spec.

RRS Does capacity exceed demand? (Indicate at right (*) and in COMMENTS y

if a special exception to enveloping of seismic demand spectrum is invoked per Section 4.2 of the GIP.)

CAVEATS - BOUNDING SPECTRUM (identify with an asterisk (*) those caveats which are met by intent without meeting the specific wording of the caveat rule and explain the reason for this conclusion in the COMMENTS section below) 1.

Equipment is included in earthquake experience equipment class

}

2.

No computers or programmable controllers N/A 3.

No strip chart recorders N/A 4.

Steel frame and sheet metal structurally adequate 5.

Adjacent cabinets or panels which are close enough to

-y impact, or sections of multi-bay cabinets or panels, are bolted together if they contain essential relays 6.

Drawers and equipment on slides restrained from falling out N/A' 7.

All doors secured by latch or fastener 8.

Attached lines have adequate hexibility Y_.

9.

Anchorage adequate (See checklist below for details) i

10. Relays mounted on equipment evaluated

11. Have you looked for and found no other adverse concerns?

i is the intent of all tlie caveats met for Bounding Spectrum?

h

PO:sb B:;ttom At2mic Pcwer Stati:n Status OY ON Ou SCREENING EVALUATION WORK SHEET (SEWS)

Equip. ID No. 00C29C Equip. Class 20 -l&C Panels & Cabinets Equipment Description EMERGENCY PROTECTION RELAY BOARD l

ANCHORAGE

1. Appropriate equipment characteristics determined y

(mass, CG, natural freq., damping, center of rotation)

2. Type of anchorage covered by the GIP y

3. Sizes and locations of anchors determined 1!

4. Anchorage installation adequate, e.g., weld quality and length, nuts and j

- washers, expansion anchor tightness

5. Factors affecting anchorage capacity or margin of safety considered: embedment length, 7 anchor spacing, free-edge distance, concrete strength I condition, and concrete cracking -

j

6. For bolted anchorages, gap under base less than 1/4 inch

'N/At

7. Factors affecting essential relays considered: gap under base, capacity V

reduction for expansion anchors

)

8. Base has adequate stiffness and effect of prying action on anchors considered y

9. Strength of equipment base and load path to CG adequate 2

10. Embedded steel, grout pad or large concrete pad adequacy evaluated 3

, 11. The anchorage capacity exceeds the demand l

Are anchorage requirements met?

INTERACTION EFFECTS l

1. Soft target free from impact by nearby equipment or structures

}

I

2. If equipment contains sensitive relays, equipment free from allimpact by g

nearby equipment or structures

~

l

3. Attached lines have adequate flexibility 1

l 4.

Overhead equipment or distribution systems are not likely to collapse V

z

5. - No potential sources could flood or spill onto equipment?

y

6. Have you lovked for and found no other adverse concerns?

I is equipment free of interaction effects?

IS EQUIPMENT SEISMICALLY ADEQUATE?

N_

Pcach Otttom Atomic Power Stati n Status OOF u

SCREENING EVALUATION WORK SHEET (SEWS)

. Equip. ID No. 00C29C Equip. Class 20 - I&C Panels & Cabinets Equipment Description EMERGENCY PROTECTION RELAY BOASQ COMMENTS For cabinet outline, refer to dwgs. 6280-E-17-30 & 31, Rev.18.

12 - unsecured locker located approximately 42" behind 00C29A and B may also affect 00C29C and i

00C29D. Locker dimension is 36"W X 18"D X 72"H.

For relay evaluation use AF of 4.5.

Reference 6280-E17-539-1 Final Report 74012 titled Seismic Structural Analysis of CAD System Panel 20C484A and Emergency System Relay Panel 00C29A.

The Control Room cabinet welds to the embedded C4 channels were upgraded per Mod # 2376 (WO #10811600). Refer to Letter No. BLP-24324, Doc. Control No. 023595 and dwgs. 6280-S-1197, Shts.

1-3, Rev.0 for details. For embedded channel details, refer to dwgs. S-71, Rev. 28 and S-173, Rev.

I 13.

A2 - The cast-in-place J-bolts for the embed channel do not meet the GIP criteria with respect to embedment and 90 deg. hook lengths. The anchor evaluation was performed using the guidelines of EPRI NP-5228-SL, Rev.1, Vol.1 document. (P.ef. VECTRA Calculation No. 0067-00084-C-017, Rev.

0).

/0/zo,/ef' Evaluated by:

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SCREENING EVALUATION WORK SHEET (SEWS)

_ Equip. ID No. 00C29D Equip, Class 20 -I&C Panels & Cabinets Equipment Description EMERGENCY PROTECTION RELAY BOARD Location: Bldg. Turbine Bida - u2 Floor El..155 Room Row / Col T2-100 M nufacturer. Model. Etc. (Optional but recommended) Leeds Northroo SEISMIC CAPACITY VS DEMAND

1. Elevation where equipment receives seismic input 165:

2. Elevation of seismic input below about 40' from grade

!N/A'

3. Equipment has fundamental frequency above about 8 Hz IN/A'

4. Capacity based on:

Existing Documentation DOC

! ABS:

Bounding Spectrum BS 1.5 X Bounding Spectrum ABS GERS GERS

5. Demand based on:

Ground Response Spectrum GRS RRS 1.5 X Ground Response Spectrum AGS Conserv. Des. In-Str. Resp Spec.

CRS Realistic M-Ctr. In-Str. Resp. Spec.

RRS Does capacity exceed demand? (Indicate at right (*) and in COMMENTS y

if a special exception to enveloping of seismic demand spectrum is invoked per Section 4.2 of the GlP.)

CAVEATS - BOUNDING SPECTRUM (Identify with an asterisk (*) those caveats which are met by intent without meeting the specific wording of the caveat rule and explain the reason for this conclusion in the COMMENTS section below)

I 1.

Equipment is included in earthquake experience equipment class i

2.

No computers or programmable controllers N/A 3.

No strip chart recorders N/A' 4.

Steel frame and sheet metal structurally adequate I

5.

Adjacent cabinets or panels which are close enough to

--y impact, or sections of multi-bay cabinets or panels, are bolted together if they contain essential relays 6.

Drawers and equipment on slides restrained from falling out N/A 7.

All doors secured by latch or fastener

}

8.

Attached lines have adequate flexibility 1

l 9.

Anchorage adequate (See checklist below for details)

10. Relays mounted on equipment evaluated

)

11. Have you looked for and found no other adversa concems?

y Is the intent of all th'e caveats met for Bounding Spectrum?

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Sheet 2 of 3 SCREENING EVALUATION WORK SHEET (SEWS)

Equip. ID No. 00C22D Equip. Class 20 - I&C Panels & Cabinets Equipment Description EMERGENCY PROTECTION RELAY BOARQ ANCHORAGE

1.. Appropriate equipment characteristics determined y

(mass, CG, natural freq., damping, center of rotation)

2. Type of anchorage covered by the GlP

~

Y'

3. Sizes and locations of anchors determined y

4. Anchorage installation adequate, e.g., weld quality and length, nuts and V

washers, expansion anchor tightness

5. Factors affecting anchorage capacity or margin of safety considered: embedment length, y anchor spacing, free-edge distance, concrete strength / condition, and concrete cracking -

6. For bolted anchorages, gap under base less than 1/4 inch

!N/Ai

7. Factors affecting essential relays considered: gap under base, capacity y

reduction for expansion anchors

8. Base has adequate stiffness and effect of prying action on anchors considered

}

9. Strength of equipment base and load pain to CG adequate 5

10. Embedded steel, grout pad or large concrete pad adequacy evaluated 2

11. The anchorage capacity exceeds the demand Ara anchorage requirements met?

INTERACTION EFFECTS

1. Soft target free from impact by nearby equipment or structures y

2. If equipment contains sensitive relays, equipment free from allimpact by i

nearby equipment or structures

3. Attached lines have adequate flexibility 3

4.

Overhead equipment or distribution systems are not likely to cohapse j

5. No potential sources could flood or spill onto equipment?

5 6.

Have you looked for and found no other adverse concerns?

Is equipment free of interaction effects?

3 l

IS EQUIPMENT SEISMICALLY ADEQUATE?

N, l

t f

l SCREENING EVALUATION WORK SHEET (SEWS)

Equip. ID No. 00C29D

~

Equip. Class 20 -I&C Panels & Cabinets Equipment Description EMERGENCY PROTECTION RELAY BOARD l

COMMENTS For cabinet outline, refer to dwgs. 6280-E-17-30 & 31, Rev.18.

12 - unsecured locker located approximately 42" behind 00C29A and B may also affect 00C29C and i

00C29D. Locker dimension is 36'W X 18"D X 72"H.

For relay evaluation use AF of 4.5.

Reference 6280-E17-539-1 Final Report 74012 titled Seismic Structural Analysis of CAD System Panel 20C484A and Emergency System Relay Panel 00C29A.

The Control Room cabinet welds to the embedded C4 channels were upgraded per Mod # 2376 (WO #10811600). Refer to Letter No. BLP-24324, Doc. Control No. 023595 and dwgs. 6280-S-1197, Shts.

1-3, Rev.0 for details. For embedded channel details, refer to dwgs. S-71, Rev. 28 and S-173, Rev.

13.

- A2 - The cast-in-place J-bolts for the embed channel do not meet the GIP criteria with respect to embedment and 90 deg. hook lengths. The anchor evaluation was performed using the guidelines of EPRI NP-5228-SL, Rev.1, Vol.1 document. (Ref. VECTRA Calculation No. 0067-00084-C-017, Rev.

0).

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Date:

/odo4r-Evaluated by:

R E DadL aMir WD by DA.RQ 605/.H

SCREENING EVALUATION WORK SHEET (SEWS)

Equip. ID No.

3DE24 Equip. Class 21 - Tanks & Heat Exchangers Equipment Description RHR HEAT EXCHANGER D i

Reactor Buildina -

~ Location: Bldg. Unita Floor El. 021 Room Row /Col R3-19 Manufacturer. Model. Etc. (Optional but recommended)

Perfex Co.

SHELL CAPACITY VS DEMAND

.N/A Buckling capacity of shell of large, flat-bottom, j

vertical tank is equal to or greater than demand:

ANCHOR BOLTS AND EMBEdMENT U

Capacity of anchor bolts and their embedments is equal to or greater than damand:

CONNECTION BETWEEN ANCHOR BOLTS AND SHELL U

Capacity of connections between the anchor bolts and

~

l the tank shell is equa! to or greater than the demand:

FLEXIBILITY OF ATTACHED PIPING N/A Attached piping has adequate flexibility to accommodate motion of large, flat-bottom, vertical tank:

TANK FOUNDATION N/A-Ring-type foundation is not used to support large, flat-bottom, vertical tank SYSTEMS INTERACTION EFFECTS V

(Soft Targets, Flexibility of Attached Piping, Collapse of nearby equipment or structures)

IS EQUIPMENT SEISMICALLY ADEQUATE?

U COMMENTS The heat exchanger is located in the vertical direction with a fixed support at approx. el.116 ft.

and a vertical slotted support at approx. el.109 ft.

Refer to Civil Calc Vol 49 File 48/G for original Seismic Analysis for Class 1 Equipment Anchor Bolts.

Refer to dwgs. M-1-H-4-7 & M-1-H-7 for heat exchanger outline. Refer to dwgs. M-3401, Sh.1 &

2, Rev.1 for anchorage rnodifications.

Review of Mod. 842 calculations is required to evaluate anchorage capacity.

l t/My Evaluated by:

md/C m44 Date:

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