ML20207E660
| ML20207E660 | |
| Person / Time | |
|---|---|
| Site: | Davis Besse  |
| Issue date: | 05/23/1988 |
| From: | Shelton D TOLEDO EDISON CO. |
| To: | NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM) |
| References | |
| 1497, TAC-60994, TAC-60995, TAC-61745, NUDOCS 8808180115 | |
| Download: ML20207E660 (131) | |
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TOLEDO
%s EDISON n ,-
DONALD C. SHCUON
- w. %m em.
Docket No. 50-346 m*mS m License No. NPF-3 Serial No. 1497 May 23, 1988 l
l United States Nuclear Regulatory Commission Document Control Desk Washington, D. C. 20555
Subject:
Fire Protection - Request for Additional Information (TAC Nos. 60994, 60995 and 61745)
Gentlemen The NRC transmitted a Request for Additional Information (RAI) regarding the Davin-Besse Fire Protection program in letter dated December 17, 1986
- (Log No. 2166). This RAl included 48 specific questions and also requested a meeting to discuss the issues. This meeting was held on February 17-18, 1987 and resulted ir an addf.tional eight questions being asked by the NRC.
Toledo Edison submitted its responses to these 56 questions in letters dated May 27, 1987 (Serial No. 1361), January 6, 1988 (Serial No. 1456) and February 8, 1988 (Serial No. 1471). An additional meeting was also held with the NRC on October 29-30, 1987. These letters and meetings have completed Toledo Edison's responses to the 56 questions except for the l following Question 1. Time Available for Operator Actions; Question 19, NFPA 72E Compliance Review; Question 20, NFPA 13 Compliance Review; and Question 29. High-Low Pressure Interfaces.
I Toledo Edison considers Enclosure i to complete its responsen to Questions 19, 20 and 29. The response to Question 1 is currently undergoing final review and will be submitted by June 6, 1988, as dicussed with the 4 Davis-Besse NRC Pt oject Manager, Mr. A. W. DeAgazio.
MN QgCL These meetings and letters, including the responses herein, have completed Toledo Edison's responses regarding 55 of 56 NRC questions. However, addi-g)o o tional evaluations, procedure resisions and physical modifications remain m to be completed as documented herein and in the previous responses, The ao schedule to coeplete the corrective actions required to establish compli-88 ance with 10CFR50, Appendix R nmains as restart from the sixth refueling
$C outage. The schedule to correct the deficiencies in fira protection g systems used to satisfy Appendix A to BTP APCSB ).5-1 is being evaluated P OO(
C0Q 0? Q LL THE TOLEDO EDSON COMPANY EDISON PLAZA 300 MADSON AVENUE TOLEDO, Ott0 43652 L - - -
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Docket No. 50-346 Li.'nse No. NPF-3 Serial No. 1497 Page 2 P
and will be determined by September,1988. Comprneatory measures for the identified deficiencies have been implemented and will remain in effect until the deficiencies have been corrected. These interim compensatory measures include, but are not limited to, those measures discussed in Toledo Edison's letter dated September 13, 1983 (Scrial No. 986) and the Technical Specifications, Licensee Event Reports and Special Reports.
As the fire protection evaluations identify additional deficiencies. .
Toledo Edison will continue to ensure adequate interim compensatory measures are in place in order to assure esfe operation pending completion of the necessary corrective actions. ,
During the October 29-30, 1987 meeting, the NRC Staff Reviewer Mr. Dennis Kubicki, requested additional information on issues other than the 56 ques- ,
tions. The requested information involves the use of post-fire shutdown repairs and the NFPA Standards Compliance Review. Toledo Edison committed in its January 6, 1988 letter (Serial No. 1456) to provide a schedule to complete the responses for these two issues. The schedule for these responses is as follows:
- 1. Post-Fire Shutdown Repairs Manual operator actions specified in the present procedures and necessary to achieve and maintain hot standby that involve post-fire shutdown repairs (e.g., removal of fuses or the replacement of cables) are not consistent with current NRC guidance such as Informe-tion Notice 84-09, dated Februaty 13, 1984 (Log No. 1-915). By '
August 15, 1988. Toledo Edison will complete a review of post-fire shutdown repairs sp<ciflod wy its two procedures, AB 1203.02 and AB 1203.26, and identify the nec1 Mary resolutions to establish compliance with the uneen! NRC j 41 dance. Toledo Edison anticipates that the necessary tecorations would involve the elimination of such repairs by physical modifics+'ons and procedure revisions, or continu-ing the use of ruch epsirs wy providing the NRC with sufficient j justification. l II. NFPA Standards Compliance Revies By May 30, 1989 Toledo Edison will complete the NFPA Standards Compliance Review for those systems utilized to satisfy 10CTR50, Appendix R and Appendix A to BTP APCSB 9.5-1 and will determine the effect of any identified deficiencies on system operability. Toledo Edison has committed to 27 NFPA Standards. The list of applicable NFPA Standards was determined by a review of the Updated Safety Analysis Report Technical Specifications. Fire Hazards Analysis Report, Appendix R Compliance Assessment Report, NRC and Toledo Edison correscondence, and Davis-Besse Fire Protection Procedures, Design Drawings and As-Built Plant Configurations. The NFPA Standards and the applicable revisions are identified in Enclosure 2.
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s Dockot No. 50-346 License No. NPF-3 Serial No. 1497 Page 3 Toledo Edison has found the past meetings beneficial to expeditiously resolve NRC questions and to demonstrate the progress of the Davis-Besse Fire Protection Program. To that end. Toledo Edison suggests another such meeting in June of this year to discuss progress made in implementing the Davis-Besse Fire Protection Program and to address any additional questions resulting from the NRC's review. Please contact Mr. R. W.
Schrauder, Nuclear Licensing Manager, at (419) 249-2366 if there are any questions.
Very truly yours.
[
MAtttit cet DB-1 Resident Inspector A. B. Davis, Regional Administrator A. W. DeAgazio, NRC/NRR D-B Project Manager D. Kubicki, NRC/NRR Staff Reviewer I
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4' D:cket No. 50-346 License No. NPF-3 Se'r 'ial No.1497 Enclosure 1 i
l ENCLOSURE 1 Response to NRC Questions 19, 20 and 29 from RAI dated December 17, 1986 e
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p Docket No. 50-346 License No. NPF-3 Serial No. 1497 Enclosure 1 Page 1 Question 19 - Compliance of Fire Detectors with NFPA 72E Confirm that fire detectors are installed per the guidelines of NFPA l Standard No. 72E.
Response
In letter dated May 27, 1987 (Serial No. 1361), Toledo Edison committed to prepare a single document that would identify the Davis-Besse compliance i with each section of NFPA 72E-1978 and to provide adequate justification for any identified deviatiot.s. The commitment is to address the fire detectors required to satisfy 10CFR50, Appendix R and Appendix A to BTP APCSB 9.5.1. Toledo Edison has prioritized the fire detectors for '
i this review. At this time Toledo Edison has completed the fire detectors required to satisfy 10CFR50 Appendix R, except for the fire detection above the Control Room ceiling, and approximately 90% of the fire detection required to satisfy Appendix A to BTP APCSB 9.5.1. The review of the fire detection above the Control Room ceiling was delayed J
due to limited Control Room access and in order to limit the distraction during power generation. The review of the Control Room detection will be completed prior to restart from the current fifth refueling otuage.
As discussed on the cover letter Toledo Edison was requested in the October 29-30, 1988 meeting with the NRC to determine the schedule to complete the NFPA Standards Compliance review. Based on the prioritization of work activities, Toledo Edison will complete the review to NFPA 72E-1978 for the remaining fire detectors required to satisfy Appendix A to BTP APCSB 9.5.1 by May 30, 1989. This schedule is evnsistent ;
- with the schedule to complete the NFPA Standards Review as discussed in l-the cover letter.
l The result of Toledo Edison's review completed to date is presented in ,
- Attachment 1 and has identified 12 fire detection zones whose deficiencies I to NFPA 72E-1978 impair their adequate operation. These fire zones, the l
, deficiencies, resolution and interiu compensatory measures are discussed i in Attachment 2. Of these 12 fire detector zoner., only FDZ-428 is addressed !
by the Davis-Besse Technical Specifications (TS). This Fire Detection I Zone has been determined to be adequate for general area fire detection ao l required by Specification 3/4.3.3.8, "Fire Detection Instrumentation " but l is not adequate to operate the automatic hold-open and release mechanism of a fire door addressed by Specification 3/4.7.10. "Fire Barriers." This fire door has been declared inoperable and an hourly fire watch is in l place in accordance with the Action Statement. Ten of the remaining 11 Fire Detection Zones that are not addressed by the TS are to be disabled.
These Fire Detection Zones will not be used to satisfy 10CFR50, Appendix R
- and have been determined by a fire protection engineer not to be required
- after their associated preaction sprinkler systems are converted to
! wet-pipe sprinkler systems. The conversion will occur by July 1, 1988, i
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Dockot No. 50-346 License No. NPF-3 Serial No. 1497 Enclosure 1 Page 2 The remaining Fire Detection Zone, FDZ-412A, will be upgraded as discussed in Attachments 1 and 2. Compensatory measures consistent with Specification 3/4.3.3.8 have been implemented and will remain in effect until completion of the corrective actions.
It should be noted that the Fire Detection Zones, FDZ-105, 113, 115, 208, 225, 236, 303 and 314 were evaluated based on the normal airflow condition without the Containment Purge Ventilation System operating.
The operation of this system could increase the air flow rates in these Fire Detection Zones and may affect compliance with the NFPA Standard 72E-1978. However, the compensatory measures of hourly fire watches currently in place due to other deficiencies in the areas are adequate until the evaluation of these Fire Detection Zones is completed by July 30, 1988.
The reporting requirements of the Technical Specification and 10CFR50.73 will be completed as necessary for the Fire Dectection Zones addressed by Attachment 2.
Additional design and installation deficiencies were identified as discussed in Attachment 1. An example of these deficiencies is the improper position of the detectors. Toledo Edison has assessed these deficiencies and determined that, although they do affect the optimum capability of the systems, they are not so significant as to prevent the adequate operation of the fire detection systems, other than the previously discussed 12 fire detection zones.
Attachment 1 provides a table that lists the detector systems addresssed by this review and each section of NFPA 72E-1978 that has specific requirements and could apply to the Davis-Besse detector systems. This table summarizes whether the fire detector zones comply with the NFPA 72E Standard section (indicated by a "C"), do not comply (indicated by a "NC"), comply with the intent (indicated by a "CWI"), to be determined (TBD), or if the Standard section is not applicable (indicated by a "-- "). Included with this table are discussions which describe the identified deviations or means used to comply with the intent of the Standard section, and the resolution to correct or justify the deviations, as necessary.
In accordance with Generic Letter 86-10, Question 8.9, "NFPA Code Deviation,"
Toledo Edison has identified and justified the means used to comply with the intent of the NFPA Standard section.
Toledo Edison intenis to modify these fire detection zones as described in the discussions in Attachment 1. The physical modifications for those systems used to satisfy 10CFR50, Appendix R will be completed prier to the return to power from the 6th refueling outage. The schedule to implement the physical modifications required for those systems used to satisfy Appendix A to BTP APCSB 9.5-1 are being evaluated and will be determined by September 1988.
i Docket No. 50-346 License No. NPF-3 1 berial No. 1497 i Enclosure 1 -
l Page 3 Question 20 "ompliance of Fire Sprinklers with '4FFA 13 ,
I Regarding (FHAR) Table 4-1, Page 61, provide justification for the sprinkler system installation deviations from the guidelines in NFPA Standard No.
Response
In letter dated May 27, 1987 (Serial No. 1361), Toledo Edison cominitted to prepare a single document that would identify the Davis-Besse compliance with each section of NFPA 13-1978 and to provide adequate justification for any identified deviations. The commitment is to address the fire sprinklers required to satisfy 10CFR50, Appendix R and Appendix A to BTP APCSB 9.5.1. Toledo Edison has prioritized the fire sprinklers for thia review. At this time, Toledo Edison has completed the fire
. strinklers required to satisfy 10CFR50, Appendix R, and approximately 727, i of the fire sprinklers required to satisfy Appendix A tc BTP APCSB 9.5.1. l As discut sed in the cover letter, Toledo Edison was requested in the l October :9-30, 1988 meeting with the NRC to determine the schedule to l complete the hTPA Standards Compliance review. Based on the i prioritizction of work activities, Toledo Edison will complete the review l to hTPA 13 1978 for the remaining fire sprinklers required to satisfy Appendix A to BTP APCSB 9.5.1 by May 30, 1989. This schedule is consistent i with the scaedule to complete the NFPA Standarde Review as discussed in i the cover letter.
d Design and installation deficiencies were identified and are discussed in l 1 Attachment 3. Examples of these deficiencies include obstructions by structural members, improperly positioned sprinklers relative to the <
ceiling and upside-down sprinklers. Toledo Edison has assessed these I deficiencies and determined that although they do affect the optimum l
, capability of the systems, the systems were installed at Davis Besse in
- accordance with previous commitments. These commitments were made in response to NRC Questions transmitted in THAR Revisions 2 through 5 (i.e., !
hTC Questions: 4, 8, 11, 13, 19, 21, 22, 26, 27, 29 and 35). The design j of the systems was reviewed by the NRC and accepted in their Safety Evaluation Report transmitted in letter dated July 26, 1979 (Log No. 409).
As a result of Toledo Edison's recent review, preaction sprinkler systems in the Turbine Building / Heater Bay will bc converted to vet pipe sprinkler systems by tripping the deluge valves by July 1, 1988. Interim compen-satory measures of hourly fire patrols have been implemented for those sprinkler systems to be converted. Hourly fire patrols have also been implemented for other sprinkler systems having deficiencies that slow their response to fire, i.e., the sprinklers are not properly positioned relative to the ceiling in accordance with the Standard. T u systems that are subject to the compensatory measures are not addressed by the Technical I
Docket No. 50-346 License No. NPF-3 Serial No. 1497 t Enclosure 1 Page 4 '
Specifications. Since these deficiencies do not affect the operable status of these systems as defined by the previous commitments, compensatory measures consistent with the Action Statements are not required. The hourly fire patrols are adequate for those systems to be converted to a ,
wet pipe system since the only cignificant deficiency will be the loss of '
the water flow alarm capability as a result of the conversion. New water flow alarms will be installed as discussed in Attachment 2. The hourly fire pstrols will ensure a rapid response by the On-site Fire Brigade for those sprinkler systems whose deficiencies will slow their response to fire.
1 Attachment 3 provides a table that lists the sprinkler systems addressed by this review and each section of hTPA 13-1978 that has specific requirements and could apply to the Davis-Besse sprinkler system. This a table summarizes whether the sprinklers comply with the hTPA 13 Standard :
section (indicated by a "C"), do not comply (indicated by a "NC"), comply 1 with the intent (indicated by a "CWI"), or the Standard section is not applicable (indicated by "-- "). Included with this table are 'scussions describing the identified deviations or means used to comply wi a the j intent of the Code sections, and the resolution to correct or justify the 4 deviations, i
, In accordance with Generic letter 86-10, Question 8.9, "hTPA Code Deviation,"
Toledo Edison has identified and justified the means used to comply with ;
i the intent of the hTPA Standard section.
Toledo Edison intends to upgrade these sprinkler systems as described in the discussions in Attachment 3. The corrective actions for those systems required to satisfy 10CFR50, Appendix R will be completed prior to the return to power from the 6th refueling outage. The schedule to implement the corrective actions required for those systems required to satisfy Appendix A to BTP APCSB 9.5-1 are being evaluated and will be determined i by September, 1988.
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I Docket'No. 50-346 License No. NPF -
Serial No. 1497 Enclosurc 1
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Question 29 - High-Low Pressure Interface Regarding (CAR) Page 5-6, the assumption that fire damage to three phase AC pcwer cables will not result in a sp-triously energized cable is unaccep-table when applied to the analysis of high-low pressure interface. Review your response to address' protect' ion of high-low pressure interface accord-ingly.
Response
In letter dated May 27,1987 (Serial No. 1361), Toledo Edison committed to re-evaluate the spurious actuation analysis for high-low pressure interface- .
components. Toledo Edison has completed its re-evaluation. The re-evalua--
tion assumptions, methodology, the means used to ensure the high-low pressure interface barrier, and the evaluation results are as follows:
ASSUMPTIONS
- 1) The spurious actuation of a single non-energized hig low pressure interface component resulting from an energized three phase power cable joinin seach of the three phases in:the proper' phase relation i without grounding to the _on-energized cable is assumed credible.
- 2) The spurious actuation af a single high-low pressure. interface component resulting from multiple hot shorts of ungrounded DC' circuits of the proper polarity and without grounding is assumed credible.
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- 3) The spurious actuation of a single high-low pressure interface component resulting from a single hot short of single phase AC circuits is assumed credible.
METHODOLOGY
- 1) The val' es that form a boundary between the RCS and a low pressure !
region were identified. These valves are currently listed as safe d shutdown components in the Davis-Besse Appendix R Compliance Assess-ment Report (CAR). Figure 1 presents the locations of the valves relative to the Reactor Coolant System (RCS).
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- 2) The necessary valve line-up to cause a breach of the high-low pressure interface was identified as shown by the logic drawing in Figure 2.
Table 1 provides the description of the valves, their power source
. and the valve positions to maintain the high-low pressure interface.
- 3) The routing of the cable: associated with these valves was identified j and evaluated to determine whether a fire could cause a breach of the -
high-low pressure interface. i 4
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. Docket No. ~ 50-346 License No. NPF-3 Serial No. 1497 Enclosure 1-Page 6 MEANS USED TO ENSURE HIGH-LOW PRESSURE : INTERFACE
- 1) At least one valvefin the RCS flowpath to'a low pressure region remains closed for a' fire in any specific fire area if its a:sociated' cables are adequately separated from its counterpart in accordance with 10CFR50, Appendix R, Sections III.G.2, or a modification has-already been identified in the CAR to establish adequate separation.
- 2) The cable of concern in a particular fire area is completely contained within a conduit by itself thereby precluding the possibility of a hot short with another cable.
- 3) The breaker for the valve is normally open and the associated power cables are not in the fire area of concern. Additionally, no other control circuits that could close the breaker are in the fire area of Concern.
- 4) The valve circuits associated by position indication or the valve's closing sequence are not capable of causing the valve to open due to a fire in a specific area.
- 5) The valve circuits are electrically isolated by an open control switch such that damage to the cables in the particular fire cannot spuriously open the high-low pressure interface valve.
- 6) Remote isolation capability or availability of operator actions -
specified by post-fire shutdown procedures are provided to isolate a potential breach of the high-low pressure interface.
The use of remote isolation or manual operator 5fon to isolate a potential breach of a high-low pressure interface may be necessary due to fire, either inside or outside the Control Room / Cable Spr ading Room. A fire inside the Control Room / Cable Spreading Room could cause an isolable potential breach at the letdown valves, the PORV and its. block valve, and the RCS. sample valves. These breaches would be isolated by remote shutdown or manual operator action outside the Control Room / Cable Spreading Room. A fire outside the Control Room / Cable Spreading Room could cause a isolable potential breach at the PORV, which would be isolated by manual operator action within the Control Room. Until '
isolated, a breach of the high-low pressure interface would exist for a short duration and it is expected that the breach would be isolated before an unrecoverable plant condition would occur. In conversations with NRC staff members, Toledo Edison was informed that a short-term breach on isolable high-low pressure interface is acceptable provided that an unrecoverable plant condition would not occur before its isolation.
By December 31, 1988, Toledo Edison will complete an evaluation of the time necessary to isolate any potential breaches before an unrecoverable plant condition occurs. An unrecoverable plant condition is a condition where the reactor coolant collapsed liquid level drops to the top of the core or that adversely affects the fission product boundary integrity.
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4 Docket No. 50-346 License No. :NPF-3 Setial No. 1497 Enclosure 1 Page 7 EVALUATION RESULTS The re-evaluation determined that there are 6 RCS flowpaths to a lcw pressure region, involving 17 valves whose cables are located in 19 fire areas. For 12 of these fire areas, it was determined that a breach of a high-low pressure interface would not occur since the circuits of at least one valve satisfy one of the above means used to ensure the high-low pressure interface.
The 7 remaining fire areas are-Fire Areas D, DA, DD, DF, FF, U and V.
Each contain circuits of concern associated with both redund. int hign~,
vent valves. Circuits of concern for multiple reactor coolant sample valves are located in Fire Areas D, DA and DF and, for the pressurizer pilot-operated relief valve and its block valve, are located in Fire Area D. These circuits were determined to be circuits of conceta .for spurious actuation due to potential hot shorts. For the circuits associated with the high point vent valves, Toledo Edison has de'cermined that it would take two (2) selective DC hot shorts of the proper polarity without grounding on the circuit of the inboard valve in conjunction with an AC ;
hot short and short to ground on the circuit for the redundant. outboard valve (a total of 4 selective shorts) to cause a single breach of the high-low pressure interface. Toledo Edison has reviewed these hot starts and has determined that their number and selectivity is such a low pr-bability as not to be credible to cause a breach of the high 'ov pressure interface due to spurious actuation.
For the circuits associated with the reactor coolant sample valves, Toledo Edison has determined that, to cause a breach of the high-low pressure '
interface, it would require a three phase uninterrupted AC hot short in the proper phase relation, without grounding, on valve fi200 in conjunction with either 1) a selective AC hot short on control circuits of MC239A or B, 2) a second three phase uninterrupted AC hot short in the proper phase relation, without grounding, on the power circuits of RC239A or B, or 3) a selective DC hot short of the proper polarity without grounding on circuits for valve RC 4632. Toledo Edison has reviewed these hot shorts and has determined that their number and selectivity is such a low probability as not to be credible to cause a breach of the high-low pressure interface due to spurious actuation.
For the circuits of the pressurizer pilot-operated relief valve and its block valve in Fire Area D, Toledo Edison will provide fire protection fertures in accordance with 10CFR50, Appendix R, Section III.G.2 to ensure that this high-low pressure interface would not be breached in.the event of a fire. This modification and those previously identified in the CAR will be completed no later than restart from the sixth refueling outage, i
Consequently, the Davis-Besse high-low pressure interfaces will be in conformance with 10CFR50, Appendix R upon the implementation of the above described modifications and the completion of the time available to isolate potential short-term breaches, i
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Docket No. 50-34 l
. License No. NPF-3 l Serial No. 1497 j Enclosure-1 Page 8 s
TABLE 1 High-Low Pressure Interface Components l l 1 -l . .
I' j l l l Component Requirement for .l l l l Power l Maintaining the High-Low l l Valve Description Source Pressure Interface l l .
I-l RC4608A l High Point Vent Valve l 125V DC l One of the two normally closed l l RC4608B l High Point Vent Valve l 120V AC 'l solenoid valves in series must l l l l l remain closed to preclude RCS l.
l blowdown to containment. l
! l l RC4610A l High Point Vent Valve l 125V DC' l One of the two normally closed l l RC4610B l High Point Vent Valve l 120V AC l solenoid valves in series must l l l l l remain closed to preclude RCS l l blowdown to containment. l l l l RC2A l Pressurizer Pilot-Operated l 125V DC l Block Valve RC11 is normally open & l l l Relief Valve (PORV) l l PORV (RC2A) is normally closed. l l l valves are in series. One of the l l l l l two valves must be closed to l l RC11 l Pressurizer Pilot Relief l 480V AC l preclude inadvertent Pressurizer l
, l l (Block) Shutoff Valve l l blowdown to the Pressurizer l l -Quench Tank. l l l l RC200 l Pressurizer Sample Line l 480V AC l All four valves are normally closed.)
-l l Ctmt. Vent Header Valve l l In the event either valves RC239A, I l l RC239B or RC4632 open, valve RC200 l l l l l must be assured closed to preclude l l RC239A l Pressurizer Vapor Sample j 480V AC l blowdown to the containment l l l Valve l l atmosphere. l l l l l l l l l l RC239B l Pressurizer Liquid Sample l 480V AC l l .
l l Valve l l l l l l l l l l l l RC4632 l Cold Leg SG1-2 Saaple l 125V DC l l l Valve l l l l DH11 l D1 Normal Suction Valve l 480V AC l The two valves in series are l l l normally closed and depowered. l l l l l Both valves would have [
] DH12 l DH Normal Suction Valve l 480V AC l to open to result in RCS blowdown l l l l l to the Decay Heat Removal System. l.
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Docket No. 50-346 License No. NPF-3 Serial No. 1497 Enclosui,1 Page 9 TABLE 1-(Continued)
High-Low Pressure ~ Interface Components i I I I .
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l -l l ~l Ccmponent Requirement for l l l l Power l Maintaining the High-Low. l l Valve Description Scurce Pressure' Interface l l . .
. l l MUO2A l Letdown Cooler Outlet l 480V AC. l Valven MUO2A or B; MUOIA, B and ll l l Iso. Valve l l MUO3 are normally open to provide l l l for RCS letdown. In the. event l l l l l either M902A or MUO2B valves cannot l l MUO2B l Letdown Coo ~ier Inlet Iso. l 480V.AC. l be closed, valves MUO1A and B are tol l l Valve' l l be closed. Should both of these l l l valves also not be capable of being l l l l l closed, valve MUO3 is used to l l MUO1A l Letdown Cooler 1-1 Inlet l 480V AC l isolate letdown. l l l Valve l l l l l l-l MU01B l Letdown Cooler 1-2 Inlet i 480V AC l l l l Valve l l l 1 l l l l l l l l MUO3 l RC Letdown Isolation Valve l 125V AC l l l
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' FIGURE 1 Docket No. 50-346 License No. NPF-?High-Low Pressure Interface Components
! Serial No. 1497 Enclosure 1 Page 'to To CTMT.
l Vent Header l / \
g RC2004 m
7 7 'l RC239A To Pzr.
S h RC4632 3
3 6 S
Quench ( IC DW f Tank RC2A- RC11 RC239B ' '
A Lu d h To CHR s' -
System 0H12 DH11 PZR.
To Ctet. Atmos.
- To Ctmt. Atmos, h h S gR9461CB RC46083' g' 5} ;
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1 RC4610A 1 RC4608Aj p 'p w
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es Steam Gen. 2 Steam Gen. 1 1 RC Pump 2 RC Pump 1 L i 1
t i A
h Ma up @X d-
-?d System MU3 PU2A l MU28 Letdown j
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l Docket No. 50-346 FIGURE 2 License No. NPF-3 Serial No. 1497 Corbinations of Open Valves Leading to Breach of a Enclosure 1 Page 11 High/ Low Pressure Interface Open Valves T 538A >
>3 l RC 4608B ) l RC 4610A > j
> l RC 461CB > l RC2A >
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.iC11 )
RC200 ?
Breach of RCS Boundary (Hich/ Low Pressure RC239A -
) > h Interface) l i
RC239B ,
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RC4632 >
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> l CH12 )
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MUO2B ) l itu01A > >M O s
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MUC1B ? j MUO3 -
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Dock t No. 50-346 License No. NPF-3 Serial No. 1497 Enclosure 2 ENCLOSURE 2 APPLICABLE NFPA CODES l
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' Docket No. 50-346 License'No. NPF-3 Serial No. 1497 Enclosure 2 Page 1 The'following NFPA Standards'have previously been identified to be applica-
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ble to the fire protection systems used to satisfy Appendix A to BTP APCSB 9.5-1-as discussed in the Davis-Besse Fire Hazards Analysis Report:
(FHAR),. Appendix 3. These Standards were committed to in such documents as the Updated Safety Analysis Report (USAR), FHAR,l Technical Specifica-tions, CAR, NRC and Toledo Edison correspondence, and fire protection procedures and drawings. Toledo Edison will complete its NFPA Standard-Compliance Review based on the Standards identified below.
However, since the commitments to these NFPA Standards have been made, significant fire protection modifications and program revisions have been implemented and will be made in.the future in order-to establish compliance with 10CFR50, Appendix R. It should be noted that, as a result of the NFPA Standards Compliance Review, a more applicable or appropriate ~ Standard ,
may be identified due to the sys;em and program upgrades or due to reviaions to the Standards. These more applicable or appropriate Standards would be incorporated into the NFPA Standards Compliance Review, as necessary.
, r Standard-Year Title
- 1. NFPA 4-1971 Organization for Fire Services
- 3. NFPA 6-1974 Organization of Industrial Fire Loss Prevention
- 4. NFPA 7-1974 Management Contrcl of Fire Emergencies
- 5. NFPA 8-1974 General Management Responsibility
- 6. NFPA 10-1975 Standard for Portable Fire Extinguishers
- 7. NFPA 13-1978 Standard for the Installation of Sprinkler Systems
- 8. NFPA 13A-1981 Recommended Practice for the Inspection, Testing and Maintenance-of Sprinkler Systems
- 9. NFPA 14-1976 Standard for the Installation of Standpipe and i 4
Hose Systems j
- 10. NFPA 15-1977 Standard for Water Spray Fixed Systems for Fire Protection
- 11. NFPA 20-1974 Standard for the installation of Centrifugal Fire Pumps
- 12. hTPA 24-1968/73 Standard for Outside Protection
. Dockat No. 50-346 License No. NPF-3 Serial No. 1497 Enclosure 2 Page 2
- 13. NFPA 26-1976 Recommended Practices for the Supervision of Valves Controlling Water Supplies for Fire Protection
- 14. NFPA 27-1975 Private Fire Brigades
- 15. NFPA 30-1973 Flammable and Combustible Liquids Code
- 17. NFPA 51-1974 Standard for the Installation and Operation of Oxygen-Fuel Gas Systems for Welding and Cutting
- 19. NFPA 69-1978 Standard on Explosion Prevention Systems
- 20. NFPA 72D-1975 Standard for the Installation, Maintenance and Use of Proprietary Protective Signaling Systems
- 22. NFPA 78-1975 Lightning ?rotection Code
- 23. NFPA 80-1977 Standard for Fire Doors and Windows
- 26. NFPA 204-1968 Guide for Smoke and Heat Venting
- 27. NFPA 251-1972 Standard Methods of Fire Tests of Building Construction and Materials
1 .
l
- Dock;t No. 50-346 License No. NPF-3 Seriel No. 1497 Attacament 1 ATTACHMENT 1 NFPA 72E-1978 Compliance Review 4
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- ATTACHMENT 1 r Page 6 NFPA-72E 1978 STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS CODE SECTION: 8-1.5
SUBJECT:
Installation Check for Proper Connection and Power i
STATUS: Comply With Intent DISCUSSION: The intent of this Standard section is to ensure that the detectors have been properly connected and powered. No documentation could be found indicating an initial installa- .
tion check for proper connection and power. The. periodic test procedures performed verify proper connection and power and thereby fulfill the intent of this Standard section.
SYSTEMS AFFECTED: All fire detection zones !
CONCLUSION: Accep.:ble as-is ,
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4 ATTACHMENT 1 Page 7 b
NFPA-72E 1978 STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS ,
4
, CODE SECTION: 2-5.2.1 1,
SUBJECT:
Acceptance Testing Af ter Instillation ;
. STATUS: Comply With Intent DISCUSSION: An acceptance test upon completion of the installation, in- I
~
the presence of the Authority Having Justification (AHJ) is intended to verify acceptable installation. No documentation
- could be found indicating an acceptance test was conducted r upon completion of the installation. Since the verious 1 detectors are tested esery six months, one year, or 18 months, L as applicable, the acceptance of the installation is verified. !
j The AHJ is considered to be Toledo Edison Company and its '
representatives.
SYSTEMS AFFECTED: All detection zones ;
4 CONCLUSION: Acceptable as-is l
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t ATTACHMENT 1 Page 8 NFPA-72E 1978 STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS CODE SECTION: 2-6.4, 4-3.2
SUBJECT:
Installation: Location and Spacing STATUS: Non-compliance DISCUSSION: Detectors are mounted on the bottom of beams. The location of detectors oa the bottom of beams is acceptable in this area due to construction features in the asta. The arrange-ment of detectors near the pumps is adequat to detect a fire occurring in the vicinity of the ptaps. The areas of the room which have a regular ceiling have detection at the ceiling. The average spacing of detectors in this room is 121 square feet per detector, which is a close detector spacing versus the maximum spacing allowed by the standard.
The ceiling for the majority of the area is removable for equipment maintenance thus precluding the mounting of detectors on the ceiling.
SYSTEMS AFFECTED: FDZ-052 (Room 52 Service Witer Pump Room)
CONCLUSION: Acceptable as-is l
i ATTACHMENT I Page 9 ,
f NFPA-72E 1978 STANDARD COMPLIANCE REVIEW .
l DEVIATIONS AND CONCLUSIONS l
CODE SECTION: 4-4.1 '
SUBJECT:
Detector Location and HVAC i:
1 STATUS: Non-compliance
- DISCUSSION
- Detector is located adjacent to supply register. The supply air entering the room will dilute smoke and also create a :
j pocket which smoke cannot enter thus resulting in a delayed 4 alarm. Relocating the detector away from the supply air >
register will improve the capability of the detector to provide early warning. There are nine additional detectors installed in this room which will provide adequate early warning. Therefore, this zone is considered operable. ;
SYSTEMS AFFECTED: FDZ-208 (Room 208 Mechanical Penetration Area) !
CONCLUSION: Relocate detector away from supply register.
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. ATTACHMENT 1 r Page 10 NFPA-72E 1978 ,
STANDARD COMPLIANCE REVIEW
! DEVIATIONS AND CONCLUSIONS CODE.SECTION: 4-3.1, 4-4.1
SUBJECT:
Location and Spacing; Detector Location and HVAC STATUS: Non-compliance DISCUSSION: The configuration of beams and the exhaust system in the room resultsuin an area which needs an additional detector. The l addition of a detector in the northeast corner will ensure a j fire in this corner is rapidly detected and all beam pockets in the room are adequately covered. Based on the_inconsequen- ,
tial amount of combustibles located in this corner, and the i coverage provided by the other detectors in the room, and the minimum number of detectors required to be operable per
- Technical Specification 3/4 3.3.8 (17 out of 23 detectors) this zone is considered operable, t SYSTEMS AFFECTED: FDZ-314 (Room 314 No. 4 Mechanical Penetration Room)
CONCLUSION: Add detector in northeast corner. f i
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i ATTACHMENT 1 .
Page 11 NFPA-72E 1978 STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS 4
4 CODE SECTION: 4-3.1, 4-3.7.3 I
SUBJECT:
Location and Spacing; Beam Construction STATUS: Non-compliance DISCUSSION: Two beam pockets formed by beams greater than 18" in depth :
and more than 8' on center are not provided with detection.
Each beam pocket of this configuration is considered as a ;
separate area and should be provided with a smoke detector to '
ensure that a fire is detected in an acceptable period of time. Based on Technical Specification 3/4.3.3.8, the i minimum number of instruments required to be operable is 11 .
l (out of 14) detectors. Therefore, this zone is considered operable. >
! SYSTEMS AFFECTED: FDZ-323 (Room 323 High Voltage Switchgear Room) !
2 i CONCLUSION: Install detectors in the two beam pockets to ensure adequate !
i coverage for the area. l, 4
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l ATTACHMENT 1 Page 12 NFPA-72E 1978 s STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS ,
r CODE SECTION: _4-3.1, 4-3.7.3
SUBJECT:
Location and Spacing; Beam Construction STATUS: Non-compliance DISCUSSION: One beam pocket formed by beams greater than 18" in-depth and more than 8' on center'is not provided with detection. Each beam pocket of this configuration is considered as a separate !
area and should be provided with a smoke detector tc ensure-that a fire is detected within an acceptable period of time.
Based on Technical Specificatien 3/4.3.3.8 the minimum number i of instruments required to be operable is 12'(out of 14).
1 Therefore, this zone is considered operable. t SYSTEMS AFFECTED: FDZ-402 (Room 402 No. 1 Electrical Penetration Room)
CONCLUSION: Install a detector in the beam pocket located at the north i end of the room, i -
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i ATTACHMENT 1 Page 13 i NFPA-72E 1978 '
STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS CODE SECTION: 4-3.1, 4-3.7.3
SUBJECT:
Location and Spacing; Beam Construction i
STATUS: Non-compliance DISCUSSION: One beam pocket located above Room 406, formed by beams greater than 18" in depth and greater than 8' on center is not provided with detection. Each beam pocket of this con-figuration is considered as a separat.s area and should be provided with a smoke detector to ensure that a fire is ,
detected within an acceptable period of time. The !
Corridor 404 area is open to the space above the concrete ceiling of room #406 and the space above room 406 does not i have a smoke detector. There are no' combustibles presently located in this space. Based on the number cf detectors 3 installed in Corridor 404 (6), the area of coverage per detector (260 square feet), the inaccessibility.of the atea above room 406, and the lack of combustibles there, this zone is considered operable.
SYSTEMS AFFECTED: FDZ-404 (Room 404 Spent Fuel Pool Corridor)
CONCLUSION: Install detector in beam pocket above Room 406. l i
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i ATTACHMENT 1 Page 14 NFPA-72E 1978 :
STANDARD COMPLIANCE REVIEW i
' DEVIATIONS AND CONCLUSIONS
- CODE SECTION: 2-6.5, 4-3.1,'4-4.1
SUBJECT:
Installation; Spacing and Location; HVAC STATUS: Non-compliance DISCUSSION: Four of the rooms in this area do riot have detectors installed.
Each room should have detection in order to provide adequate l et.rly warning capability. Detectors in three additional j rooms are located adjacent to supply registers. The supply air entering the room will dilute smoke and also create a a pocket which smoke cannot enter, thus resulting in a delayed
- alarm. Relocating the detectors away from the supply registers will allow a higher concentration of combustion products to reach the detector. (See Attachment 2 for additional infor- !
mation).
SYSTEMS AFFECTED: FDZ-412A (Old RACA Entrance)
CONCLUSION: Relocate detectors away from supply air registers. Adl detectors to the four rooms which do not have them. (See j Attachment 2 for additional information)-
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4 ATTACHMENT 1 Page 15 NFPA-72E 1978 STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS CODE SECTION: 4-3.1, 4-3.5.1, 4-5.1
SUBJECT:
Spacing and Location; Smooth Ceiling Spacing; Special Considerations STATUS: Non-compliance DISCUSSION: Smoke detector spacing in this room is in excess of 30 feet.
A fire in this area could produce a small q'tantity of smoke for a considerable period of time. The excessive detector spacing will result in a delay in fire detection. Providing additional detectors will reduce the distance smoke must trcvel along the ceiling before reaching a detector and result in the fire being detected in a shorter period of time. Based on Technical Specification 3/4.3.3.8, the minimum number of instruments required to be operable is 5 (out of 5). Therefore, this zone is considered operable.
SYSTEMS AFFECTED: FDZ-422A (Room 422A Cable Spreading Room)
CONCLUSION: Install additional detectors (2 estimated) to meet the 30 ft.
spacing criteria, j 1
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ATTACHMENT 1 j:
Page 16 NFPA-72E 1978 STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS CODE SECTION: 2-6.5, 4-3.1, 4-3.7.3, 9-2.5.1
SUBJECT:
Installation; Location and Spacing; Beam Construction; HVAC; Location STATUS: Non-compliance DISCUSSION: There are four beam pockets formed by beams greater'than 18" in depth and greater than 8' on center which are not provided with detection. Each beam pocket of this configuration is considered as a separate area and should be provided with a smoke detector to ensure a fire is detected in an acceptable period of time.
The detectors utilized for door release service do not meet
- the distance from the door requirements of this section. The j capability / operability of Door # 427A with smoke-detector l operated release devices is affected. Refer to Attachment 2 for the measures taken for this door.
Based on Technical Specification 3/4.3.3.8, the minimum
, number of detectors required to be operable is 12 (out of ;
_ 15). Therefore, this zone is considered operable.
I SYSTEMS AFFECTED: FDZ-428 (Low Voltage Switchgear Room)
CONCLUSIONS: Provide detection in four unprotected beam pockets. Provide proper detecter spacing for door release service.
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ATTACHMENT 1 Page 17 NFPA-72E 1978 STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS CODE SECTION: 2-6.5, 4-3.9, 4-4.2,
SUBJECT:
Installation; Suspended ceiling; Plenum; Special Consideration STATUS: To be Determined DISCUSSION: No detection is installed above the suspended ceiling. There may be combustibles above the ceiling in the form of cable insulation which results in the potential for a fire to originate above the ceiling and spread undetected. With the area above the ceiling also being used as a return air plenum, the detector spacing above the ceiling should be appropriately reduced to account for air flow rates.
SYSTEMS AFFECTED: FDZ-505 (Control Poom Area)
CONCLUSION: Determine whether detectors need to be installed above the suspended ceiling by inspection of the area during the 5th refueling outage.
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4 ATTACHMENT 1 Page 18 NFPA-72E 1978 STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS CODE SECTION: 8-3.1, 8-3.1.5
SUBJECT:
Periodic Tests STATUS: Non-compliance DISCUSSION: Certain detectors are normally inaccessible during power operation due to the high radiation in the areas. These inaccessible detectors are tested every 18 months, rather than semiannually. The testing frequency was justified based on ALARA concerns and the instruments and circuits being electrically supervised as discussed in Toledo Edison's letter dated December 12, 1977 (Serial No. 406) and accepted by the NRC in License Amendment No. 9. The detectors in the Main Steam Line Areas are also normally inaccessible due to ,
personnel safety concerns from potential steam leaks.
Confirmation that the detectors that were installed after 1977 in the inaccessible areas are electrically supervised will be performed under the NFPA 72D-1975 Standard compliance Review.
SYSTEMS AFFECTED: FDZ-RCP-1 (Reactor Coolant Pump #1), FDZ-RCP-2 (Reactor Coolant Pump #2), FDZ-RCP-3 (Reactor Coolant Pump #3),
FDZ-RCP-4 (Reactor Coolant Pump #4), FDZ-PSV-1 (Pressu-rizer Area), FDZ-214 (Ruom 214 Core Flooding Tank 1-1 Area), FDZ-215 (Room 215 Letdown Coolers Area), FDZ-220 (Room 220 Incore Instrument Trench Area), FDZ-317 (Room 317 Containment Hatch Area), FDZ-410 (Room 410 East Passage Penetration Area), FDZ-A208 (Annulus Area),
FDZ-A236H (Annulus At:a), FDZ-A236L (Annulus Area),
FDZ-601E (Room 601 Main Steam Line Area), FDZ-601W (Room 601 Main Steam Line Area), EbZ-602 (Roon 602 Main Steam Line Area).
CONCLUSION: Current testing program will be continued.
Perform NFPA 72D-1975 Standard Compliance Review.
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ATTACHMENT 1 Page 19 NFPA-72E 1978 STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS CODE SECTION: 2-6.4, 3-4.1, 3-5.3, 8-1.4, 8-3.1.2-
SUBJECT:
Installation, Location; Beam Construction, Visual Inspection; Testing STATUS: Non-compliance DISCUSSION: Heat detectors are-installed in this area to actuate the preaction sprinkler system. The detectors have a higher temperature rating than the sprinklers. Detectors in the area are mounted on the bottom of beams. The ceiling is constructed of open metal grating which will not serve as a barrier to retain heat. Relocating the detectors from under the beams to the ceiling will not achieve compliance with the Standard due to the open ceiling construction.
Detectors in this area are tested only ence per year instead of semiannually. These detectors are accessible and, the Standard requires-testing on a semi-annual frequency. (See Attachment 2 for additional information). .
SYSTEMS AFFECTED: C-3501 (Elevation 585' Heater Bay)
CONCLUSIONS: Cannot install a system in the area which will comply with NFPA 72E, thus the installed system it inadequate. (See Attachment 2).
O ATTACHMENT 1 Page 20 NFPA-72E 1978 STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS CODE SECTION: 2-6.4, 2-6.6, 3-4.1, 3-5.3, 8-1.4, 8-3.1.2
SUBJECT:
Installation, Location; Beam Construction; Visual Inspection; Testing STATUS: Non-compliance DISCUSSION: Heat detectors are installed in this area to actuate the preaction spriakler system. Detectors in the area are mounted on the bottom of beams. The ceiling is constructed <
of opeo setal grating which will not serve as a barrier to retal, heat. Relocating the detectors from under the beams to the ceiling will not achieve compliance with the Standard due to the open ceiling constru: tion.
A metal cover is provided over electrical equipment at the north end of the area but no detection is provided under the cover. The lack of detection under the cover will result in a significant delay in system operation.
Detectors in this area are tested only once per year instead of semiannually. These detectors are accessible and, the Standard requires testing on a semi-annual frequency. (See Attachment 2 for additional information).
SYSTEMS AFFECTED: C-6501 (Elevation 603' Heater Bay)
CONCLUSION: Cannot install a system in this area which will comply with NFPA 72E, and thus the installed system is not adequate.
(See Attachment 2).
O ATTACHMENT 1 Page 21 NFPA-72E 1978 STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS CODE SECTION: 3-4.1, 8-1.4, 8-3.1.2
SUBJECT:
Location, Spacing, Testing STATUS: Non-compliance DISCUSSION: Heat detectors are installed in this area to actuate the preaction sprinkler system. Detectors in the area are mounted on the bottom of beams and their spacing has not been reduced to account for excessive ceiling height. With the excessive ceiling height (approximately 100 ft), the spacing '
requirement of NFPA 72E cannot be met.
There are heat and smoke veuts installed in the roof which activate at a lower temperature thar. the detectors and will serve as means to remove heat from the area further delaying detector activation.
Detectors in this area are tested only once per year instead of semiannually. These detectors are accessible and, the Standard requires testing on a semi-annual frequency. (See Attachment 2 for additional information).
SYSTEMS AFFECTED: C-5106 (Train Bay Roof Truss)
CONCLUSION: Heat detectors are inappropriate for this area. (See Attach- )
ment 2).
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ATTACHMENT 1 Page 22 NFPA-72E 1978 STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS CODE SECTION: 2-6.4, 3-4.1, 3-5.3, 8-1.4, 8-3.1.2
SUBJECT:
Installation; Location; Beam Construction; Visual Inspection; Testing STATUS: Non-compliance DISCUSSION: Heat detectors are installed in this area to actuate the preaction sprinkler system. Detectors in the area are mounted on the bottom of beams. The ceiling is constructed of open metal grating which will not serve as a barrier to retain heat. Relocating the detectors from under the beams to the ceiling will not achieve compliance with the Standard due to the open ceiling constr,ction.
Detectors in this area are tested only once per year instead of semiannually. These detectors are accessible and, the Standard requires testing on a semi-annual frequency. (See Attachment 2 for additional information).
SYSTEMS AFFECTED: C-5501 (Elevation 623' Heater Bay)
CONCLUSION: Cannot install a system in this area which will comply with NFPA 72E, and thus the installed system is not adequate.
(See Attachment 2).
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4 ATTACHMENT 1 Page 23 NFPA-72E 1978 STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS CODE SECTION 2-6.4, 3-4.1, 3-5.3, 8-1.4, 8-3.1.2
SUBJECT:
Installation; Location; Beam Construction; Visual Inspection; Testing STATUS: Non-compliance DISCUSSION- Heat detectors are installed in this area to actuate the preaction sprinkler system. The detectors have a higher ;
temperature rating than the sprinklers. Detectors in the area are mounted on the bottom of beams. The ceiling is constructed of open metal grating which will not serve as a barrier to retain heat, relocating the detectors from under the beams to the ceiling will not achieve compliance with the Standard due to the open ceiling construction.
Detectors in this area are tested only once per year instead of semiannually. These detectors are accessible and, the Standard requires testing on a semi-annual frequency. (See Attachment 2 for additional information.)
SYSTEMS AFFECTED: C-6501 (Elevation 643' Heater Bay)
CONCLUSIONS: Cannot install a system in this area which will comp 1v with ,
NFPA 72E, and thus the installed system is not adequate. !
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ATTACHMENT 1 Page 24 NFPA-72E 1978 STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS
- CODE SECTION: 2-6.4, 3-4.1, 3-5.3, 8-1.4, 8-3.1.2
SUBJECT:
Installation; Location; Beam Construction; Visual Inspection; Testing STATUS: Non-compliance DISCUSSION: Heat detectors are installed in this area to actuate the preaction sprinkler system. Detectors in the area are mounted on the bottom of beams. The ceiling is of solid construction and will serve as a barrier to retain heat. The detectors located on the bottom of the beams will result in a delayed alarm because of the time required for the heat to build up at the ceiling and descend to the detectors. The Standard requires detectors to be located on the ceiling and installed in the beam pockets.
Detectors in this ares are tested only once per year instead
, of semiannually. These detectors are accessible and, the Standard requires testing on a semi-annual frequency. (See Attachment 2 for additional information).
SYSTEMS AFFECTED: C-7501 (Elevation 657' Heater Bay)
CONCLUSION: See Attachment 2.
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ATTACHMENT 1 j Page 25 j NFPA-72E 1978 :
STANDARD COMPLIANCE REVIEW
{ DEVIATIONS AND CONCLUSIONS ;
CODE SECTION: 2-6.4, 3-4.1, 3-5.3, 8-1.4, 8-3.1.2
SUBJECT:
Installation; Location; Construction; Visual Inspection; Testing STATUS: Non-Compliance DISCUSSION: Heat detectors are installed in this area to actuate the preaction sprinkler system. Detectors in the area are ,
mounted on the bottom of beams. The ceiling is of solid construction and will serve as a barrier to retain heat. The detectors located on the bottom of the beams will result in a :
delayed alarm because of the time required for the heat to i build up at the ceiling and descend to the detectors. The I a
Standard requires detectors to be located on the ceiling and l l installed in the beam pockets, i 1
Detectors in this area are tested only once per year. These '
detectors are accessible and, the Standard requires testing l on a semi-annual frequency. ~
There are smoke and heat vents installed in the roof which
] actuate at a lower temperature than the detectors, and will i serve as a means to remove heat from the area further delaying detector actuation. (See Attachment 2 for additional infor-l mation.) !
SYSTEM AFFECTED: C-7502 (Elevation 657' Heater Bay) ,
i CONCLUSION: See Attachment 2. '
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O ATTACHMENT 1 Page 26 NFPA-72E 1978 STAhDARD COMPLIANCE REVIEW ,
DEVIATIONS AND CONCLUSIONS CODE SECTION: 2-6.4, 3-4.1, 3-5.3, 8-1.4, 8-3.1.2
SUBJECT:
Installation; Location; Construction; Visual Inspection; Testing STATUS: Non-compliance DISCUSSION: Heat detectors are installed in this area to actuate the preaction sprinkler system. The detectors have a higher temperature rating than the sprinklers. Detectors are located on the bottom of beams or below beams. The ceiling is constructed of open metal grating which will not serve as a barrier to retain heat. Relocating detectors from below beams to the ceiling will not achieve compliance with the Standard due to the open ceiling construction.
Detectors in this area are tested only once per year. These detectors are accessible and, the Standard requires testing on a semi-annual basis.
SYSTEMS AFFECTED: TB565 (Elevation 565' Turbine Building)
CONCLUSIONS: Cannot install a system in this area which will comply with NFPA 72E due to the open ceiling construction. Thus, the installed system is not adequate. (See Attachment 2). ,
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ATTACHMENT 1 Page 27 NFPA-72E 1978 STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS CODE SECTION: 2-6.4, 3-4.1, 3-5.3, 8-1.4, 8-3.1.2
SUBJECT:
Installation; Location; Construction; Visual Inspection; Testing STATUS: Non-compliance DISCUSSION: lleat detectors tre installed in this area to actuate the preaction sprinkler system. The detectors have a higher temperature rating than the sprinklers. Detectors are located on the bottom of beams or below beams. The ceiling is constructed of open metal grating which will not serve as ,
a barrier to retain heat. Relocating detectors from below -
beams to the ceiling will not achieve compliance with the Standard due to the open ceiling construction.
Detectors in this crea are tested only once per year. These detectors are accessible and, the Standard requires testing i on a semi-annual frequency. (See Attachment 2 for additional info rmation) .
- SYSTEMS AFFECTED
- TB-585 (Elevation 585' Turbine Building) l CONCLUSIONS: Cannot install a system in this area which will comply with ,
NFPA 72E due to the open ceiling construction. Thus, the l installed system is not adequate. (See Attachment 2). l l
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ATTACHMENT 1 Page 28 NFPA-72E 1978 STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS CODE SECTION: 2-6.4, 2-6.5, 3-1.2, 3-4.1, 3-5.3, 8-1.4; 8-3.1.2
SUBJECT:
Installation; Location; Coverage; Beam Construction; Visual Inspection; Testing STATUS: Non-compliance DISCUSSION: Heat detectors are installed in this area to actuate the preaction sprinkler system. The detectors have a higher temperature rating than the sprinklers. Detectors in the area are mounted on the bottom of beams, are not provided in all beam pockets and are not installed in some areas. The '
ceiling in this area is of solid construction and will serve ;
as a barrier to retain heat. The detectors located on the bottom of beams will result in a delayed alarm because of the time required for the heat to build up at the ceiling and ,
descend to the detectors. The Standard requires detectors l to be located on the ceiling and installed on the beam pockets.
Each beam pocket formed by beams greater than 18" in depth and ,
more than 8' on center is considered as a separate area and j should be provided with detection. This was not done in this area. Detectors should be added to all beam pockets meeting this criteria.
Where beams are more than four inches deep the detector spacing in the area should be reduced which requires the addition of detectors. Reduced spacing of detectors was not ,
used in this area. )
The area under the generator is not provided with detection.
A fire developing in this area could gain considerable headway prior to detection.
Detectors in this area are tested only once a year. These detectors are accessible and, the Standard requires testing l on a semi-annual frequency. (See Attachr-nt 2 for additional l information ).
SYSTEMS AFFECTED: TB-603 (Elevation 603' Turbine Building) I CONCLUSIONS: See Attachment 2. I l
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. Dock:t No. 50-346 License No. NPF-3 Serial No. 1497 Attachment 2 ATTACle!ENT 2 INOPERABLE FIRE DETECTORS l
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FIRE DETECTION ZONE: FDZ-412A DESCRIPTION OF AREA: Robing Area DISCREPANCY: Four small rooms in this area are not provided with detection. Three detectors in three addi-tional rooms are located too close to supply air registers.
RESOLUTION: Relocate detectors away from supply registers and add detectors to rooms which are not currently protected. Detection in this area will be modified to satisfy NFPA 72E-1978.
TECH SPEC.
APPLICABILITY: None COMPENSATORY MEASURE: Hourly fire watch patrol has been implemented in the four rooms that do not have detection and the 3 rooms with deficient detection.
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FIRE DETECTION ZONE: FDZ-428 DESCRIPTION OF AREA: Room 428 Low Voltage Switchgear Room (F-Bus)
DISCREPANCY: The smoke detector operated door release for door No. 427A is not adequate in accordance with NFPA 72E-1978 since the detector on the Room 428 side of the door is too far from the door.
RESOLUTION: Add an additional detector nearer to the door or install a door closer with an integral smoke detector operator.
TECH. SPEC.
APPLICABILITY: The detection zone is operable for general area fire detection. The door release feature is inoperable (i.e., door inoperable) unless the door is closed.
COMPENSATORY MEASURE: An hourly fire watch patrol for the affected door has been implemented since there is an operable fire detection zone on at least one side of the door, d
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FIRE DETECTION ZONE: TB565, TB585, TB603 DESCRIPTION OF AREA: Turbine Building - All Elevations below the Operating floor of the Turbine.
DISCREPANCY: The detectors are installed to actuate preaction sprinklers for all elevations of the Turbine Building below the operating floor of the turbine.
The detectors are not installed in accordance with NFPA 72E-1978 and are not adequate. The detectors are installed on the bottoms of beams, the coverage is inadequate, the spacing has not been reduced, and the detectors are installed under grated ceilings. In addition, the detectors installed are rated at 190F while the sprinklers are rated at 165F. Heat detectors should actuate at a lower temperature than the sprinklers.
RESOLUTION: Conversion of the Turbine Building preaction sprinkler systems to automatic wet pipe sprinklers and elimination of the heat detectors. Flow switches will be installed to provide local and Control Rocm indication of system actuation.
TECH. SPEC.
APPLICABILITY: The detectors and sprinklers are not currently Tech. Spec. although the sprinklers were installed to satisfy a license condition relating to the Turbine Building thermal expansion analysis.
COMPENSATORY KEASURE: An hourly roving patrol has been implemented in the Turbine Building until the flow switches for i remote alarm can be installed.
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. ATTACIDfENT 8 Page 4 ATTACIDfENT 2 (Continued)
FIRE DETECTION ZONE: C3501, C4501, C5501, C5106, C6501, C7501, C7502 DESCRIPTION OF AREA: Turbine Building Heater Bay - All Elevations of the Heater Bay and the Roof Truss Area above the Turbine Building Train Bay in the Northeast Corner of the Room.
DISCREPANCY: The detectors are installed to actuate preaction sprinklers for all elevations of the Heater Bay.
The detectors are not installed properly in accordance with NFPA 72E-1978 and are not adequate.
The detectors are installed on the bottom of beams, the coverage is inadequate, the spacing !
1 has not been reduced, and the detectors are installed under grated ceilings. In addition, i the detectors installed at the lowest level are rated at 190F while the sprinklers are rated at 165F. Heat detectors should actuate at a lower temperature than the sprinklers.
4 RESOLUTION: Conversion of the Heater Bay preaction sprinkler systems to automatic wet-pipe sprinklers and elimination of the heat detectors. Flow switches will be installed to provide local and Control Room indication of system actuation.
TECH. SPEC.
APPLICABILITY: The detectors and sprinklers are not addressed by 4
the Technical Specification.
, COMPENSATORY MEASURE: An hourly roving patrol has been implemented in 1
the Turbine Building until the flow switches for remote alare can be installed.
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. Dock 2t No. 50-346 License No. NPF-3 Serial No. 1497 Attachment 3 y ATTACIDfENT 3 NFPA-1.) 1978 COMPLIANCE REVIEW 4
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DAVIS-BESSE NUCIEAR POWER STATION - N t Applicable C0DE COMPLIANCE VERIFICATION TABLE NFPA 13-1978 CODE ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM SECTION 52 53 124 208 209 227 236 303 304 310/ 314 328 402 405 422A 427 501 313 1-5.1 C C C C C C C C C C C C C C C C C 1-8.1.1 C C C C C C C C C C C C C C C C C 1-8.1.2 C C C C C C C C C C C C C C C C C 1-8.1.3 NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC 1-8.1.3.1 C C C C C C C C C C C C C C C C C 1-11.2.1 C C CWI C C C C C C C CWI C C C C CWI CWI 1-11.2.2 C C --- C C C C C C C NC C C C C NC NC 1-11.3.1 NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC 1-11.3.2 C C C C C C C C C C C C C C C C C 1-11.3.3 C C C C C C C C C C C C C C C C C 1-11.3.5 C C C C C C C C C C C C C C C C C 1-11.3.6 CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI 2-1 C C C C C C C C C C C C C C C C C 2-2.1.1 C C C C C C C C C C C C C C C C C 2-2.1.2.3 C C C C C C C C C C C C C C C C C 2-2.1.2.4 C C C C C C C C C C C C C C C C C 2-2.1.2.6 -- --- --- --
2-2.1.3 - --- --
2-2.1.4 C C C C C C C C C C C C C C C C C 2-3.2 C C C C C C C C C C C C C C C C C 2-4.1 C C C C C C C C C C C C C C C C C 2-4.2 C C C C C C C C C C C C C C C C C 2-8.1 -
2-8.2 -- ---
2-9.1 C C C C C C C C C C C C C C C C C
Page No.IB ATTACHFINT 3 DAVIS-BESSE NUCLEAR POWER STATION .
CODE COMPLIANCE VERIFICATION TABLE NFPA 13-1978 CODE ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM KOOM SECTION 52 53 124 208 209 227 236 303 304 310/ 314 328 402 405 422A 427 501 313
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C --- --- ---
C ---
C 3-10.1.1 --- --- --- --- --- ---
3-10.1.2 --- --- --- --- --- ---
3-10.2.1 C --- --- --- --- --- --- ---
3-10.2.2 --- --- --- --- ---
3-10.2.3 --- --- --- --- ---
, 3-10.3.2 C C C C C C -C C C C C C C C C C C 3-10.3.3 NC ---
NC ---
NC CWI CWI CWI NC NC NC NC CWI CWI NC CWI NC 3-10.3.4.1 C C C C C C C C C C C C C C C C C 3-10.3.4.2 --- --- --- --- ---
3-10.3.4.3 --- --- --- --- ---
3-10.3.4.4 C C C C C C C C C C C C C C C C C 3-10.3.4.5 C C C C C C C C C C C C C C C C C 3-10.3.4.6 C C C C C C C C C C C C C C C C C 3-10.3.4.7 C C C C C C C C C C C C C C C C C I
3-11.1.1 C C C NC C C NC NC C C C NC C C NC C C 3-11.1.2 ---
C C NC C C NC NC C- C C CWI ---
C CFI C ---
Page No. IC ATTACIDIENT 3 DAVIS-BESSE NUCLEAR POWER STATION CODE COMPLIANCE VERIFICATION TABLE NFPA 13-1978 CODE ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM SECTION 52 53 124 208 209 227 236 303 304 310/ 314 328 402 405 422A 427 501 313 3
C C C NC C C NC NC C C C NC C C NC C C 3-11.2.1 C C C ---
C --
C C C C C --- ---
C --- C 3-11.2.2 ---
C ---
C --- C --- --- --- --- ---
C --- --- C ---
3-11.2.3 --- ---
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3-11.2.4 --- --- --- ---
3-11.2.5 NC --- --- --- ---
C C NC C C NC NC C C C NC ---
C NC C ---
3-11.3.1 ---
C --- --- --- ---
C ---
C --- ---
C C C 3-11.3.2.1 --- --- ---
C --
C C C --- ---
C C C --- --- --- --- ---
3-11.3.2.2 --- ---
3-11.3.3.1 --- --- ---
l 3-11.3.3.2 ---
3-11.3.3.3 ---
. 3-11.4.2 ---
C C C C C C C C C C C C C C C C C
) 3-11.4.3 CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI 3-11.4.4 C C C C C C C C C C C C C C C C C J 3-11.4.5 --- -- --- --- --- -- --- --- --- ---
3-12.1.1 ---
C C C C C C C C C C C C C C C C C 3-12.1.2 C C C C C C C C C C C C C C C C C
- 3-12.1.3 C C C C C C C C C C C C C C C C C 3-12.1.4 C C C C C C C C C C C C C C C C C 3-12.2.1 C C C C C C C C C C C C C C C C C
, 3-12.2.6 C C C C C C C C C C C C C C C C C 3-12.2.7 NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC 3-12.2.8 C C C C C C C C C C C C C C C C
.3-12.2.9 C C C C C C C C C C C C C C C 3-12.2.10 C C C 1
O Page No. 1D
ATTACHMENT 3 DAVIS-BESSE NUCLEAR POWER STATION CODE COMPLIANCE VERIFICATION TABLE NFPA 13-1978 CODE ROOM ROOM ROGM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM-ROOM RDOM ROOM ROOM ROOM SECTION S2 53 124 208 209 22's 236 303 304 310/ 314 328 402 405 422A 427 Sol 313 3-12.3.1 C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C
- 3-12.5 3-12.6 C C C C C C C C C C C C C C C C C 3-13.1.1 C C C C C C C C C C C C C C C C C 3-13.1.5 --- --- --- --- ---
3-13.2 C C C C C C C C C C C C C ---
C C C 3-13.3 CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI CHI CWI CWI CWI CWI CWI 3-14.1.1 C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C 3-14.1.2 C C C C C C C C C C C C C ---
C C C 3-14.1.3 C C C C C C C C C C C C C C C C C 3-14.2.1 C C C C C C C C C C C C C C C C C 3-14.2.2 C C C C C C C C C C C C C C C C C i
3-14.2.3 C ---
C --- --- ---
C ---
C 3-14.2.4 --- --- ---
3-14.3 --- ---
3-15.1.1 C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C-3-15.1.2 C C C C C C C C C C C C C C C C C 3-15.1.3 C C C C C C C C C C C C C C C C C 3-15.1.4 C C C C C C C C C C C C C C C C C 3-15.1.5 C C C C C C C C C C C C C C C C C 3-15.1.6 C C C C C C C C C C C C C C C C C 3-15.1.7 C C C C C C C C C C C C C C C C C 4
3-15.1.8 C C C C C C C C C C C C C C C C C 3-15.1.10 C C C C C C C C C C C C C C C C C 3-15.2.1
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Page No. IF ATTACIDfENT 3 -
DAVIS-BESSE NUCLEAR POWER STATION I
CODE COMPLIANCE VERIFICATION TABLE NFPA 13-1978 CODE ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM SECTION S2 53 124 208 209 227 236 303 304 310/ 314 328 402 405 422A 427 501 313 3-16.2.3 --- --- --- --- ---
C --- --- --- --- --- --- --- --- --- ---
C 3-16.2.5 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
3-16.2.6 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
3-16.3.1 NC --- --- --- --- --- --- --- --- --- --- --- ---
3-16.3.3 --- --- --- --- --- --- --- --- --- --- --- --- ---
3-16.4 --- --- --- --- ---
C --- --- --- --- --- --- --- --- --- ---
C i 3-16.6.1 C C C C C C C C C C C C C C C C C 3-16.6.3 NC --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
3-16.6.4 --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
3-16.6.5 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
3-16.7.1 CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI
- 3-16.7.2 CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI i 3-16.7.3 C C C C C C C C C C C C C C C C C
- 3-16.8 ---
C --- --- --- ---
C C C ---
C C --- ---
NC ---
NC 3-16.9.1 C C C C C NC C C C C C C C C C C NC 3-16.9.2 C C C C C NC C C C C C C C C C C NC
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3-16.9.3 --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
3-17.2 C C C C C C C C C C C C C C C C C
- 3-17.3.1 C C C C C C C C C C C C C C C C C 3-17.3.3 --- --- --- --- --- --- ---
3-17.3.4 --- --- --- --- --- --- ---
3-17.4.1 C C C C C C C C C C C C C C C C C i --- --- --- ---
3-17.4.2 --- --- --- --- --- --- --- --- --- --- --- --- ---
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Page No. 1G ATTACID1ENT 3 DAVIS-BESSE NUCLEAR POWER STATION CODE COMPLIANCE VERIFICATION TABLE NFPA 13-1978 CODE ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM SECTION 52 53 124 208 209 227 236 303 304 310/ 314 328 402 405 422A 427 501 313 C C C C C C C C C C C C C ---
C C C 3-17.4.5 --- --- --- --- --- --- - - - - ---
3 17.5 --- --- ---
3-17.6.1 --- --- ---
--- --- --- --- --- --- --- -~
3-17.6.2 --- --- --- ---
C C C C C C C C C C C C C C C C C 3-17.6.3 --- --- --- --- --- --- --- --- --- --- ---
3-17.6.4 --- --- ---
C C C C C C C C C C C C C ---
C C C 3-17.7 --- --- --- --- --- --- --- --- --- ---
4-1.1.4 --- --- --- ---
C C --- --- --- --- --- --- --- ---
C --- ---
C C 4-1.2 ---
4-1.3.1 --- --- ---
4-1.3.2 --- --- ---
4-1.3.3 --- --- ---
4-1.3.4 --- --- ---
4-1.3.8 --- --- ---
4-2.1.1 --- --- ---
C C CWI C C C C C C C C C C C C C C 4-2.1.2 --- --- --- --- --- --- --- --- --- ---
4-2.1.3 --- --- ---
C C CWI C C C C C C C C CWI C C C C C 4-2.1.4 --- --- --- --- --- --- --- --- ---
4-2.2.1.1 --- --- --- ---
4-2.2.1.3 --- ---
C C C C C C C C C C C C C C C C C 4-2.2.2 --- --- --- -- - --- --- --- --- ---
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4-2.4.1 --- --- ---
4 4-2.4.2 --- ---
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Page No. lH ATTACHMENT DAVIS-BESSE NUCLEAR POWER STATION CODE COMPLIANCE VERIFICATION TABLE NFPA 13-1978 CODE ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM SECTION S2 53 124 208 209 227 236 303 304 310/ 314 328 402 405 422A 427 501 313 4-2.4.5 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
l 4-2.4.6 NC NC NC NC NC NC NC NC NC NC NC NC NC NC ---
NC NC I
4-2.4.7 C C C C C C C C C C C C C C C C C 4-2.5 --- --- --- --- --- --- --- --- --- --- --- ---
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4-3.1.1 ---
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NC NC --- ---
NC --- --- --- --- ---
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,' 4-3.1.2 ---
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NC --- --- --- --- --- --- --- ---
i 4-3.1.3 ---
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4-3.2.1 NC ---
NC NC --- ---
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NC NC NC NC NC ---
NC NC l 4-3.2.2 NC ---
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NC NC NC NC NC ---
NC NC j 4-3.3 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
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4-3.4.1 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
4-3.4.2 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
4-3.6 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
4-4.1 L- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
4-4.2 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
4-4.4.1 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
4 -4. 5.1 ---
j 4-4.5.3 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
4-4.6.1 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
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! 4-4.8.1.1 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
4-4.8.1.2 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
4-4.8.2.2 --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
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4_4,10,1 ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___
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Page No.11 l
ATTACllMENT 3 DAVIS-BESSE NUCLEAR POWER STATION CODE COMPLIANCE VERIFICATION TABLE i NFPA 13-1978 CODE ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM SECTION 52 53 124 208 209 227 236 303 304 310/ 314 328 402 405 422A 427 501 313 4-4.10.2 --- --- --- --- --- --- ---
4-4.10.3 --- --- --- --- --- --- ---
4-4.11 --- --- --- --- --- ---
NC --- C --- ---
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C 4-4.13 --- --- --- --- --- ---
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C l 4-4.14 C --- ---
C C C C C C ---
C C C C ---
C ---
4-4.15 --- --- --- --- --- ---
1 4-4.16 --- --- --- --- --- ---
4-4.19 NC ---
NC --- --- ---
C --- --- --- ---
C NC ---
C NC 4-4.20 --- --- --- ---
4-4.20.1 --- --- --- --- ---
4-5.1.1 --- --- --- ---
4-5.1.2 --- --- --- ---
4-5.2.1 --- --- --- --- ---
4-5.2.2 --- --- ---
l 4-5.3.1 --- --- --- ---
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4-5.4 --- --- --- ---
5-1.2 CWI CWI CWI CWI CWI C CWI CWI CWI CWI CWI C C NC C C C 5-3.3.1 --- --- --- ---
5-3.3.3 --- ---
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LAS 1-5.1 C C C C C C C C C C C 1 1-8.1.1 C C C C C C C C C C C
, 1-8.1.2 C C C C C C C C C C C i 1-8.1.3 NC NC NC NC NC NC NC NC NC NC NC i 1-8.1.3.1 C C C C C C C C C C C 1-11.2.1 C C C CWI CWI CWI CWI C C C C' 1-11.2.2 C C C NC NC NC NC C C C C 1-11.3.1 NC NC NC NC NC NC NC NC NC NC NC 1-11.3.2 C C C C C C C C --- --- ---
1-11.3.3 C C C C C C C C --- --- ---
1-11.3.5 C C C C C C C C --- --- ---
1-11.3.6 CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI 2-1 C C C C C C C C C C C 2-2.1.1 C C C C C C C C C C C 2-2.1.2.3 C C C C C C C C C C C 2-2.1.2.4 C C C C C C C C' C C C
, 2-2.1.2.6 --- --- --- ---
- 2-2.1.3 --- --- ---
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Page No. 2B ATTAClelENT 3 DAVIS-BESSE NUCLEAR POWER STATION CODE COMPLIANCE VERIFICATION TABLE NFPA 13-1978 t
CODE ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM SECTION MET HB585 HB603 HB623 HB643 HB657 RT657 RRBAY TB565 TB585 TB603 LAB 2-9.2.1 C C C C C C C C C C C 2-9.2.2 C C C C C C C C CWI CWI CWI 3-1.1.1 C C C C C C C C C C C 3-1.1.2 C C C C C C C C C C C 3-1.1.3 C C C C C C C C C C C 3-3.1 C C C C C C C C C C C 3-8.2 C C C C C C C C CWI CWI CWI 3-9.1.1 C --- --- --- --- --- --- ---
3-9.1.2 --- --- --- ---
3-10.1.1 --- --- --- --- --- ---
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3-10.2.1 --- --- --- ---
3-10.2.2 --- --- --- ---
j 3-10.2.3 --- --- --- --- --- ---
3-10.3.2 C C C C C C C CWI CWI CWI C 3-10.3.3 --- --- --- - - - - --- -- --- ---
C --- ---
3-10.3.4.1 CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI 3-10.3.4.2 --- --- --- --- --- ---
3-10.3.4.3 --- --- --- --- ---
3-10.3.4.4 CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI 3-10.3.4.5 --- --- --- ---
3-10.3.4.6 C C C C C C C C C C C 3-10.3.4.7 CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI 3-11.1.1 C C C C C C C C C NC C l --- ---
3-11.1.2 C --- --- --- --- --- --- --- ---
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Page No. 2C ATTACmiENT 3 DAVIS-BESSE NUCLEAR POWER STATION CODE COMPLIANCE VERIFICATION TABLE NFPA 13-1978 CODE ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM SECTION MET HB585 HB603 HB623 HB643 HB657 RT657 RRBAY TB565 TB585 TB603 LAB 3-11.2.1 C C C NC C C C C C NC C 3-11.2.2 C C C C C C C C C C C 3-11.2.3 --- --- --- --- --- --- --- --- --- ---
3-11.2.4 --- --- --- --- --- --- --- --- --- --- ---
3-11.2.5 --- --- --- --- --- --- --- --- --- --- ---
3-11.3.1 C C ---
NC --- --- --- ---
C NC C
- 3-11.3.2.1 --- --- --- --- --- --- --- --- --- --- ---
3-11.3.2.2 C --- --- --- --- --- --- --- --- --- ---
3-11.3.3.1 --- --- --- --- --- --- --- --- --- --- ---
3-11.3.3.2 ---
NC ---
NC --- --- --- ---
C NC NC 3-11.3.3.3 --- --- --- --- --- --- -- - --- --- --- ---
r 3-11.4.2 --- --- --- --- --- --- --- --- --- --- ---
3-11.4.3 C C C C C C C C C C C 3-11.4.4 CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI 3-11.4.5 C C C C C C C C C C C 3-12.1.1 --- --- --- --- --- --- --- --- --- --- ---
1 3-12.1.2 C C C C C C C C C C C 3-12.1.3 C C C C C C C C C C C 3-12.1.4 C C C C C C C C C C C 3-12.2.1 C C C C C C C C C C C 3-12.2.6 C C C C C C C C C C C 3-12.2.7 C C C C C C C C C C C 3-12.2.8 NC NC NC NC NC NC NC NC NC NC NC 3-12.2.9 C C C C C C C C C C C 3-12.2.10 C C C C C C C C C C C
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Page No. 2E ATTACHMENT 3 DAVIS-BESSE NUCLEAR POWER STATION CODE COMPLIANCE VERIFICATION TABLE NFPA 13-1978 CODE ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM SECTION MET HB585 HB603 HB623 HB643 HB657 RT657 RRBAY TB565 TB585 TB603 LAB 3-15.2.3 --- --- --- --- --- --- --- --- --- ---
C 3-15.2.4 --- --- --- --- --- --- --- --- --- --- ---
3-15.2.5 --- --- --- --- --- --- --- ---
C ---
C 3-15.2.6 --- --- --- --- --- --- --- --- --- --- --- '
3-15.3.1 --- --- --- --- --- --- --- --- --- --- ---
3-15.3.2 --- --- --- --- --- --- --- ---
C ---
C 3-15.3.3 --- --- --- --- --- --- --- --- - - - --- ---
3-15.3.4 --- ---
C C C C C C C C C 3-15.4.1 ---
C C C C C C C C C C 3-15.4.2 --- --- --- --- --- --- --- --- --- --- ---
3-15.4.3 ---
C C C C C C C C C C 3-15.4.4 --- --- --- --- --- --- --- --- --- --- ---
3-15.4.5 --- --- --- --- --- --- --- --- --- --- ---
3-15.5.1 C C C C ---
C C C C C C 3-15.5.2 C C C C C C C C C C C 3-15.5.3 C C C C ---
C C C NC NC NC 3-15.6.1 C C P C C C C C C C C 3-15.6.2 C NC NC NC C C C C NC NC NC 3-15.7.1 C C C C C C C C C C C 3-15.7.2 --- ---
C ---
C C C C C C 3-15.7.3 --- --- --- --- ---
C C NC --- ---
C 3-15.7.4 C C C C C C C C C C C 3-16.1 C C C C C C C C C C C 3-16.2.1 C C C C C C C C C C C 3-16.2.2 C C NC NC ---
C NC C C C C w _ _ _ _ _ _ _ __ _ _ __. __ _ __ _ _ _ - - _ _ _ _ _ _ _ _ _________
l Page No. 2F ATTAC!! MENT 3 DAVIS-BESSE NUCLEAR POWER STATION l CODE COMPLIANCE VERIFICATION TABLE NFPA 13-1978 CODE ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM SECTION MET HB585 HB603 HB623 HB643 HB657 RT657 RRBAY TB565 TB585 TB603 LAB 3-16.2.3 --- --- --- --- --- --- --- --- --- ---
C 3-16.2.5 --- --- --- --- ---
3-16.2.6 --- - - - --- --- --- ---
3-16.3.1 --- --- --- --- ---
3-16.3.3 --- --- --- ---
3-16.4 --- --- --- --- --- --- --- --- --- ---
C 3-16.6.1 C C C 'C C C C C C C C 3-16.6.3 --- ---
C C C C C C ---
C C 3-16.6.4 --- --- --- ---
3-16.6.5 --- --- ---
3-16.7.1 CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI CWI 3-16.7.2
^
- CWI CWI CWI CWI OJI CWI CWI C C- C 3-16.7.3 c C C C C C C C C C C 3-16.8 --- ---
NC --- --- --- ---
C C C 3-16.9.1 NC C C C C C C C C C C 3-16.9.2 NC C C C C C C C C C C 3-16.9.3 --- --- --- ---
3-17.2 C C C C C C C C C C C 3-17.3.1 C --- --- --- --- ---
3-17.3.3 ---
C C C C C C C C C C 3-17.3.4 ---
C C C C C C C C C C 3-17.4.1 C C C C C C C C C C C 3-17.4.2 --- --- ---
3-17.4.3 C --- --- --- --- ---
3-17.4.4 ---
C C C C C C C C C C
- a O
Page No. 2C ATTACifMENT 3 DAVIS-BESSE NUCLEAR POWER STATION CODE COMPLIANCE VERIFICATION TABLE NFPA 13-1978 CODE ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM SECTION MET HB585 HB603 HB623 HB643 HB657 RT657 RRBAY TB565 TB585 TB603 LAB 3-17.4.5 C C C C C C C C C C C 3-17.5 --- --- --- --- --- --- --- --- --- ---
3-17.6.1 --- --- --- --- --- --- --- --- --- --- ---
3-17.6.2 --- --- --- --- --- --- --- --- --- --- ---
3-17.6.3 C C C C C C C C C C C 3-17.6.4 --- --- --- --- --- --- --- --- --- ---
3-17.7 C C C C C C C C C C C 4-1.1.4 ---
C NC NC C NC NC C NC NC NC 4-1.2 --- --- --- --- --- ---
4-1.3.1 --- --- --- --- --- --- --- --- --- ---
4-1.3.2 - - - --- --- --- --- --- --- --- --- --- ---
4-1.3.3 --- --- --- --- --- --- --- --- --- ---
4-1.3.4 --- --- --- --- --- --- --- --- --- ---
4-1.3.8 --- --- --- --- --- --- --- --- --- ---
4-2.1.1 --- --- --- --- --- --- --- --- --- --- ---
4-2.1.2 C C C C CWI C C C C C C 4-2.1.3 --- --- --- --- --- --- --- --- --- --- ---
4-2.1.4 C C C C C C C C C C C 4-2.2.1.1 --- --- --- --- --- --- --- --- --- ---
4-2.2.1.3 --- --- --- --- --- --- --- ---
4-2.2.2 C C C C C C C C C C C 4-2.2.3 --- --- --- --- --- --- --- --- ---
4-2.3.2 --- --- --- --- --- --- --- ---
/ . 4.1 --- --- --- --- --- --- ---
C --- --- ---
i.2 --- ---
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Page No. 2 11 ATTACHMENT 3 DAVIS-BESSE NUCLEAR POWER STATION CODE COMPLIANCE VERIFICATION TABLE NFPA 13-1978 CODE ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM i.
SECTION MET HB585 HB603 HB623 HB643 HB657 RT657 RRBAY TB565 TB585 TB603 LAB 4-2.4.5 --- --- --- --- --- --- --- --- --- --- ---
4-2.4.6 ---
C NC NC NC NC NC C NC NC NC 4-2.4.7 C C C C NC C C C C C C
- 4-2.5 NC --- --- --- --- --- --- --- --- --- ---
i 4-3.1.1 --- --- --- --- --- --- --- ---
C ---
C j 4-3.1.2 --- --- --- --- --- --- --- --- --- ---
4-3.1.3 C --- --- --- --- --- --- --- --- --- ---
1 4-3.2.1 ---
NC NC NC NC NC C NC NC NC NC 4-3.2.2 ---
NC NC NC NC NC --- ---
NC NC NC i 4-3.3 --- --- --- --- --- --- --- --- --- ---
, 4-3.4.1 --- --- --- --- --- --- ---
4-3.4.2 --- --- --- --- --- --- --- --- --- --- ---
4-3.6 --- --- --- --- --- --- --- --- --- --- ---
, 4_4,1 ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___
- 4-4.2 --- --- --- - - - - --- --- --- --- ---
3 4-4.4.1 --- --- --- --- --- --- --- --- --- --- ---
4-4.5.1 --- --- --- --- --- --- --- --- --- --- ---
4-4.5.3 --- --- --- --- --- --- --- --- --- --- ---
4-4.6.1 --- --- --- --- --- --- --- --- --- --- ---
4-4.6.2 --- --- --- - - - --- --- --- --- -- ---
4-4.8.1.1 --- --- --- --- --- --- --- --- --- ---
l 4-4.8.1.2 --- --- --- --- --- --- --- --- --- -- ---
4-4.8.2.2 --- --- --- --- --- --- --- --- ---
4-4.9 --- --- --- --- --- ---- --- --- --- --- ---
- 4-4.10.1 --- --- --- --- --- --- --- --- --- --- ---
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Page No. 21 ATTACIIF Jr 3 DAVIS-BESSE NUCLEAR POWER STATION CODE COMPLIANCE VERIFICATION TABLE NFPA 13-1978 CODE ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM ROOM SECTION MET HB585 HB603 HB623 HB643 HB657 RT657 RRBAY TB565 TB585 TB603 LAB 4-4.10.2 --- --- --- --- --- --- --- --- --- --- ---
i 4-4.10.3 --- --- --- --- --- --- --- --- --- --- ---
4-4.11 --- --- ---
C --- --- --- ---
NC NC NC 4-4.13 --- --- --- --- --- --- --- --- ---
NC 1
i, 4-4.14 --- --- ---
C --- --- --- --- --- --- ---
. 4-4.15 --- --- --- --- --- --- --- --- --- ---
! 4-4.16 --- --- --- --- --- --- --- --- --- --- ---
4-4.19 --- --- --- ---
C C ---
NC C ---
4-4.20 --- --- --- --- --- --- --- --- --- --- ---
4-4.20.1 --- --- --- --- --- --- --- --- --- --- ---
4-5.1.1 --- --- --- --- --- --- --- --- --- --- ---
4-5.1.2 --- --- --- --- --- --- --- --- ---
C 4-5.2.1 --- --- --- --- --- --- --- --- --- --- ---
4-5.2.2 --- --- --- --- --- --- --- --- --- --- ---
4-5.3.1 --- --- --- --- --- --- --- --- --- ---
4-5.3.2 --- --- --- --- --- --- --- --- --- ---
4-5.4 --- --- --- --- --- --- --- --- --- --- ---
. 5-1.2 C --- --- --- --- --- --- --- --- --- ---
5-3.3.1 --- --- --- --- --- --- --- --- ---
5-3.3.3 ---
NC NC NC NC NC NC NC NC NC NC
_i 5-3.4 --- --- --- --- --- --- --- --- --- ---
5-3.5.1 ---
C C C C C C C C C C 5-3.5.2 ---
C C C C C C C C C C 5-3.5.4 --- --- --- --- --- --- --- --- --- ---
5-3.6 --- --- --- --- --- --- --- --- --- ---
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[ ATTACHMENT 3 Page 3 NFPA-13 1978 STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS CODE SECTION: 1-8.1.3
SUBJECT:
Pressure Rating of Sprinkler Systems STATUS: Non-Comply DISCUSSION: The Standard requires sprinkler systems to be designed for a maximum working pressure of 175 psig. A majority of the piping used in the fire suppression systems installed at DBNPS is designated as piping class KBE-2. This pipe class has a designated design rating of 150 psig at 100 F (per Piping Class Summary Dwg. 7749-M-602, Rev. 5, Sbeet 108).
The designation is inappropriate because the piping, fittings, and valves utilized for the sprinkler systems at DBNPS are rated for 175 psig working pressure. Therefore, the suppression systems actually comply with this section of the Standard but are not reflected as such based on the inappropriate piping class designation.
SYSTEMS AFFECTED: ALL CONCLUSION: No modifications to the systems are necessary. Appropriate changes will be made to the Piping Class Drawings to designate that sprinkler systems are rated for 175 psig, i
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, ATTACHMENT 3 Page 4 r
NFPA-13 1978
. STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS CODE SECTION: 1-11.2.1
SUBJECT:
Flushing of Lead-in Connection STATUS: Comply With Intent DISCUSSION: The lead-in connection for the sprinkler system for Room-124 was not flushed.- The lead-in connection is less than 1 foot long and would not require flushing since a visual- '
inspection would serve the same purpose as flushing, which is to remove foreign materials that may have entered the system piping during the course of installation. Therefore, ,
the intent of the Standard was met by visually inspecting the connection versus flushing the connection.
SYSTEMS AFFECTED: Room 124 t
CONCLUSION: No modifications are necessary.
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, ' ATTACHMENT 3-
_ Page 5 -
NFPA-13 1978-STANDARD COMPLIANCE' REVIEW DEVIATIONS AND CONCLUSIONS CODE SECTION: 1-11.2.1-SUBJECTi Flushing of Lead-in Connection STATUS: Comply With Intent DISCUSSION: The intent of this section of the Standard is to flush the ,
lead-in connection to the sprinkler system so that any
~
l foreign material which may have entered the system piping - ,
during the course of installation will be removed. An. j alternate flush procedure was used during the course of-flushing the lead-in connections of these systems. This alternate flush method differs greatly from the normal. .
flush method, but t he intent of flushing the systems was :
met. See page 6 for related discussion.
SYSTEMS AFFECTED: Rooms 314, 427, 501, Heater Bay El. 623', 643', 657' _
and Roof Truss.
CONCLUSION: No modifications are necessary. !
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, ATTACHMENT 3 Page 6 l
NFPA-13 1978 l STANDARD COMPLIANCE REVIEW DEVIATIONS-AND CONCLUSIONS CODE SECTION: 1-11.2.2
SUBJECT:
Flush Flow Rate STATUS: Non-Comply DISCUSSION: The alternate flush procedure which was used to flush the lead-in connections of these systems did not flush the connections at any appreciable flow rate. A specific flow-rate (gpm) is required for each size of pipe so that a water stream velocity of 5.64 feet /second or greater is developed. This velocity is required in order to move particles of a certain diameter and weight through the piping to the flush outlet. The flush procedure used would not have moved a particle of any appreciable size through the piping. However, at least annually, water is flowed through the systems via the inspector's test connections and a 2" main drain test is also run. Based on past operational history, there has not been any indication that foreign objects exist in the systems' piping. The 2" main drain test would adequately serve as the flush for the lead-in connections, as an acceptable flow rate would be developed during this test.
SYSTEMS AFFECTED: Rooms 314, 427, 501, Heater Bay El. 623', 643', 657',
and Roof Truss.
CONCLUSION: No modifications are necessary.
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.' ' ATTACHMENT 3 Page 7 j NFPA-13 1978 STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS CODE SECTION: 1-11.3.1, 5-3.3.3
SUBJECT:
Hydrostatic Tests STATUS: Non-Comply DISCUSSION: All new systems are required to be tested hydrostatically to at least 200 psi for 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br />, or at 50 psi in excess of the maximum pressure, when the maximum pressure to be maintained in the system is in excess of 150 psi. This is required to ensure that pipe joints are made to withstand these pressures without coming apart or leaking. It is ,
primarily a workmanship test and not a materials perfor-mance test. For various reasons, none of the systems inspected fully complied with this section of the Standard.
Such cases include the lead-in connections being pressurized-for less than 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br />, and system piping not being tested at 50 psi in excess of the maximum static pressure. For a majority of the systems, the hydrostatic test pressure exceeded the maximum working pressure (i.e., 175 psi) and the test pressure was held for 10 minutes or more. Test documentation for the remaining systems has not been found.
Since the purpose of this test is to check t' a quality of i workmanship and to check for damaged mater: .s (cracked fittings, leaky sprinklers, etc.), it can be concluded that i the systems will operate as designed when required. Based on the operational history of the systems,'there are no. .
indications of leaky fittings, sprinklers or pipe welds.
SYSTEMS AFFECTED: ALL (1-11.3.1). .
Heater Bay EL. 585', 603', 623', 643', 657', Roof Truss, Railroad Bay, and Turbine Bldg. El. 565',585', '
and 603' (5-3.3.3). l CONCLUSION: Available test documentation indicates that the systems had sufficient hydrostatic testing. Operational history of the !
systems indicates no leaky fittings or pipe welds, even after numerous pressure surges and occasional non-disabling water hammer. Therefore, no modifications to the systems are necessary.
l ATTACHMENT 3 j Page~8 i
NFPA-13 1978 STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS CODE SECTION: 1-11.3.6
SUBJECT:
Test Blanks STATUS: Comply With Intent {
DISCUSSION: In accordance with Procedures FPCP-1 and MP.1401.19, equipment that would not have been subjected to hydrostatic test pressures would either have been disconnected from the system, or isolated by_a blank or similar means. It has not been determined whether test blanks were actually used at all. The Code requires such blanks to have red painted lugs _(so that they are visible when installed) and that all- '
blanks be numbered (so as to keep' track ~of their use). It has not been determined whether the test blanks used (if ,
they were) during the installation of these systems had_ red painted lugs or were numbered. At least annually, the '
inspector's test connection is opened, which verifies the '
availability of water from the control valve to the most remote point of the system. No problems with water flow have been discovered. Therefore, it can be concluded that. i there are not any test blanks installed in the fire suppres- i sion headers or cross mains, the principal areas which I would have been blanked off should this have been required. !
SYSTEMS AFFECTED: ALL 'I e
CONCLUSION: No modifications are necessary.
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. ATTACHMENT 3.
Page 9 NFPA-13 1978 STANDARD COMPLIANCE, REVIEW DEVIATIONS AND CONCLUSIONS CODE SECTION: 2-9.2.1
SUBJECT:
Draining of Pressure Gauges STATUS: Comply With Intent DISCUSSION: The Standard requires pressure gauges to be equipped with shutoff valves and a provision for draining. The gauges are equipped with quarter-turn ball valves, but do not have ;
3-way needle valves which would allow isolation of the ;
gauge and utilization of a connection to relieve the- l pressure built-up on the isolated gauge.
~
The gauges can presently be drained by first isolating the gauge and then removing the gauge from the system. Although this arrange- ;
ment is not as desirable as having a connection to relieve the pressure and drain the gauge, the gauge can still be removed from service without having to take the sprinkler :
system out of service, thus meeting the intent of the ;
Standard. '
SYSTEMS AFFECTED: ALL - With Exception of Room 405, Met. Lab., Heater ,
Bay, Roof Truss, Railroad Bay, and Turbine Bldg. j Systems. ;
CONCLUSION: No modifications are necessary.
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. ATTACHMENT 3 Page 10 NFPA-13 1978 STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS CODE SECTION: 2-9.2.2, 5-1.2, and 5-3.7.3 S JDIECT: Maximum Limit of Pressure Gauges STATUS: Comply With Intent DISCUSSION: The Standard requires pressure gauges to have a maximum limit not less than twice the normal working pressure at the point where installed. Normal working pressure is defined as the static pressure on the system when the jackey fire pump is operating. This pressure is normally 135 psi at the pump itself. Of course, this pressure decreases as the elevation above the pump increases. All of the sprinkler systems have pressure gauges with a range of 0-250 psi, with the exception of the Turbine Building systems, which have a pressure gauge with a range of 0-200 psi. Therefore, at any point where the static pressure exceeds 125 psi, the range of the pressure gauge installed at that point does not quite meet the "twice normal working pressure" requirement. Although this situation exists on several systems, the pressure gauge has no impact on system operation and does not warrant replacement.
SYSTEMS AFFECTED: Rooms 52, 53, 124, 208, 209, 236, 303, 304, 310/313, and 314 (2-9.2.2, 5-1.2). Turbine Bldg. El. 565', 585' and 603' (2-9.2.2, 5-3.7.3).
CONCLUSION: No modifications are necessary. As pressure gauges become unserviceable or are damaged, they are replaced with gauges with a range of 0-300 psi. Additionally, the three Turbine Building systems listed above will be permanently converted to vet-pipe sprinkler systems and new gauges will be included as part of the trim packages.
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.' ATTACHHENT 3 Page 11 NFPA-13 1978 STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCIUSIONS 1
CODE SECTION: 2-9.2.1, 2-9.2.2, and 5-1.2
SUBJECT:
Requirements of Pressure Gauges STATUS: Non-Comply ,
DISCUSSION: The sprinkler system provided for Room 405 is unique in the ,
fact that it does not have installed an alarm check valve '
and associated trim. Therefore, it does not have any pressure gauges installed on the riser; only an isolation valve, drain valve and water flow indicator. The operability ,
of the system is in no way affected by the omission of the '
pressure gauge. Two sprinkler systems are located immedi-ately adjacent to the point where this system takes off from the riser. Pressure gauges supplied with these ,
systems can be utilized should the static pressure at the system be required to be known.
.! SYSTEMS AFFECTED: Room 405 CONCLUSION: No modifications are necessary.
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. ATTACHMENT 3 Page 12 NFPA-13 1978 STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS CODE SECTION: 3-8.2
SUBJECT:
Flush Connections STATUS: Non-Comply DISCUSSION: It is important to have flush copaections on systems which are supplied from nonpotable sources auch as ponds, streams, or lakes, or where the system has been or might alternate between wet and dry pipe operation. The primary source of water supply for the suppression systems is potable water.
The secondary source of supply is Lake Erie. Traveling screens in the Intake Structure remove the majority of the foreign materials in the lake water; the strainer at the bottom of the vertical turbine engine driven fire pump removes any additional material of considerable size. The sprinkler systems are always wet, so there is no chance of scale build-up due to a continuous switching over from wet to dry to wet. Although flush connections are required, the arrangement and nature af the fire water supply at DBNPS does not necessitate the use of the flush connections for sprinkler systers. In fact, systems which have flush l connections provided are not flushed on a regular basis '
since there is not a requirement for such a procedure.
SYSTEMS AFFECTED: Rooms 124, 208. 236, 303, 402, and 405, l CONCLUSION: No modifications are necessary.
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. ,' ATTACHMENT 3-Page 13 t
~
NFPA-13 1978 STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS
-s
. CODE SECTION: 3-8.2
SUBJECT:
Flush Connections STATUS: Comply With Intent DISCUSSION: The Standard requires flush connections at the end of all cross mains and that all cross ' mains terminate in 1-1/4" or i 1arger pipe. Although several systems have. flush connec-tions (or can take credit for flush connections), they are '
- not necessarily located at the end of the cross mains.
Although this is not the most ideal design, no modifications ;
. are necessary, due to the fact that the primary fire water 4 supply is potable and the sernadary water supply would not !
, contain any foreign objects capable of blocking the sprinkler ;
- P ii P ng. ,
SYSTEMS AFFECTED: Rooms 209, 227. 304, 310/313, 314, 328, 422A, 427, l' 501, Turbine Bldg. El. 565', 585', and 603'.
CONCLUSION: No modifications are necessary. !
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, . ATTACH 5ENT 3 Page 14~
, NFPA-13.1978 ;
STAN'DARD COMPLIANCE REVIEW !!
DEVIATIONS AND CONCLUSIONS CODE SECTION: 3-9.1.1 -
SUBJECT:
Inspector's Test Connection i
STATUS: Comply With Intent '
DISCUSSION: The sprinkler syatems are provided with 1-inch inspector's. ,
test connections, although the majority of the connections '
do not terminate in a corrosion-resistant orifice tha:
i provides for a flow equivalent to one sprinkler. The 3 primary function of the test is to verify the operability j of the water flow alarm device at a - flow equivalent to that ,
of one operating sprinkler. The present design is not conservative since it allows' a flow greater than one l sprinkler, This to because the systems utilize an outlet that is 1-inch in diameter, which is not equivalent to the i
1/2-inch orifice of a typical sprinkler.
SYSTEMS AIFECTED: Rooms 52, 124, 208, 209, 227, 236, 303, 304, 314, 328, 402, 405, 422A, 427 and 501.
4 CONCLUSION: Install smooth bore corrosion-resistant fittings on i the inspector's test connections. Such a fitting will
, be sized to provide a flow equivalent to one sprinkler
! of a type having the smallest orifice installed on a particular system.
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. ATTACHMENT 3 Page 15 4
NFPA-13 1978 STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS c
1 CODE SECTION: 3-10.3.3 l
SUBJECT:
Pipe Sleeves For Penetrations STATUS: Comply With Intent DISCUSSION: The Standard requires sleeves be provided around all sprinkler piping passing through floors or walls and that the clearance between the sleeve and piping be filled with a non-combustible flexible material. Although not provided with a sleeve, the clearance between the pipe and the '
wall / floor is filled with a flexible, non-combustible foam.
The 1987 edition of the Standard no longer requires the use of a pipe sleeve. Therefore, the present arrangement is installed per the 1987 edition of the Standard and no modifications to the systems are necessary. .
SYSTEMS AFFECTED: Rooms 227, 236, 303, 402, 405, and 427.
l CONCLUSION: No modifications are necessary. '-
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, ATTACKifENT 3 Page 16 NFPA-13 1978 STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS CODE SECTION: 3-10.3.3
SUBJECT:
Pipe Sleeves for Penetrations STATUS: Non-Comply DISCUSSION: The Standard requires sleeves be provided around all sprinkler piping passing through floors or walls and that the clearance between the sleeve and piping be filled with a non-combustible flexible material. Although not provided with a sleeve, the clearance between the pipe and the wall / floor is grouted. The 1987 edition of the Standard no longer requires the use of a pipe sleeve, but it still requires the clearance to be filled with a flexible material.
A flexible material is specified so that a certain amount of movement can occur during a seismic event or during building settlement. Although the clearance is grouted, this will not affect system operability. There is no guarantee that if the clearance were filled with a flexible material, the system would remain operable during a sefamic event. See the discussion on Page 17 related to protect!on against damage from earthquakes. Settlement of a nuclear power plant is much less than that expected for general structures addressed by the Standard and would have no effect on operability of the systems.
SYSTEMS AFFECTED: Rooms 52, 124, 209, 304, 310/313, 314, 328, 422A, and 501.
CONCLUSION: No modifications are necessary.
. ATTACHMENT 3 Page 17 NFPA-13 1978 [
STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS
- CODE SECTION
- 3-10.3.4.1, 3-10.3.4.4, 3-10.3.4.7, 3-10.3.2
SUBJECT:
Sway Bracing Where Subject to Earthquakes STATUS: Comply with Intent DISCUSSION: The Standard requires sprinkler piping to be protected against damage from earthquakes in areas subject to earth- ;
quakes. Feed and cross mains are required to be braced and the tops of risers are required to be. secured against :
drifting in any direction. The currently installed systems ;
are not provided with such bracing. Areas known to have a t potential for earthquakes have been identified in building code and insurance maps. An example of such a map is shown in Figure A-3-10.3.1 in the 1987 edition of the Standard. '
On a scale of 1-5 (with "1" being the manimum potential for earthquake damage), the area in which the plant is located ,
is labeled a "4", with surrounding states being a "5".
It is not the intent of the Standard to specify where
} earthquake design provisions must be used, but to provide ,
design criteria for those_ systems where, according to the authority having jurisdiction, the system is subject to earthquakes. Based on this information, it can be concluded !
that the potential for damage from earthquake is low, and 1 that sway bracing for these systems is not required, except !
for the riser in the Railroad Bay as discussed on Page 29. l ,
SYSTEMS AFFECTED: Met. Lab., Heater Bay, Roof Truss, Railroad Bay, and ;
Turbine Bldg. Systems (3-10.3.4.1, 3-10.3.4.4, ;
3-10.3.4.7). Railroad Bay, Turbine Bldg. EL. sos' and i 585' (3-10.3.2). :
CONCL'1SION: No modifications are necessary, except for the riser in the !
Railroad Bay as discussed on Page 29. l 3
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, ATTACHMENT 3 i Page 18 i
NFPA-13 1978 STANDARD COMPLIANCE REVIEW
- DEVIATIONS AND CONCLUSIONS i L
4 CODE SECTION: 3-11.1.1, 3-11.1.2, 3-11.2.1, 3-11.3.1
SUBJECT:
Trapped Piping and Auxiliary Drains STATUS: Non-Comply, Comply With Intent DISCUSSION: Various sections of the Standard require that a sprinkler system be designed with provisions for draining. Auxiliary 4 drains are required where trapped piping cannot.be drained i either through the system's main drain, or the inspector's test connection. Less than half of all the systems in-spected either have no provisions for draining trapped t piping, or a majority of the trapped piping (but not all) for a few systems can be drained. It is rarely necessary :
to drain a trapped section of piping in a wet system. The j only time a wet system would be required to be dry is when !
repairs or modifications are to be made tc the system. An !
action such as removing / replacing a fitting or cutting the l pipe will in itself drain the system should this action be t required.
SYSTEMS AFFECTED: Rooms 208, 236, 303, 328, and 422A (3-11.1.1, 3-11.2.1, !
3-11.3.1; NC).
Rooms 208, 236, and 303 (3-11.1.2; NC). '
- Rooms 328 and 422A (3-11.1.2; CWI).
CONCLUSION: No modifications are necessary. !
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. ATTACIDIENT 3 Page 19 NFPA-13 1978 STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS CODE SECTION: 3-11.1.1, 3-11.2.1, 3-11.3.1
SUBJECT:
Trapped Piping and Auxiliary Drains STATUS: Non-Comply DISCUSSION: Various sections of the Standard require that a sprinkler system be designed with provisions for draining. Auxiliary drains are required where trapped piping cannot be drained either through the system's main drain, or the inspector's test connection. The removal of water from a pre-action sprinkler system is important because these systems are sometimes installed in areas subject to freezing, and because trapped water could interfere with the supervision of the piping provided by the low-pressure air maintained on most pre-action systems. Neither of the two systems are located in areas subject to freezing. The first system can drain its trapped water through the use of a flush connec-tion. Although not an auxiliary drain, it serves the intent as such. The second system has no provisions for draining its area of trapped water. However, this particu-lar system is looped, which means that there is supervisory air on either side of the water trapped in the pipe.
Should a break occur in the piping where the trapped water is located, the water will drain out of the pipe until it reaches the level of the break, at which time the supervisory air will discharge out of the pipe and a low air alarm will be transmitted. Although not drained, the trapped water will not freeze nor will it interfere with the supervision of the piping.
SYSTEMS AFFECTED: Heater Bay EL. 623' (3-11.2.1, 3-11.3.1).
Turbine Bldg. EL. 585' (3-11.1.1, 3-11.2.1, 3-11.3.1).
CONCLUSION: No modifications are necessary. Additionally, these two systems will be permanently converted to wet pipe sprinkler systems.
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. ATTACIDDLNT 3 Page 20 ;
r NFPA-13 1978 STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS CODE SECTION: 3-11.2.5
SUBJECT:
Drains for Sectional Control Valves STATUS: Non-Comply DISCUSSION: The Standard requires interior sectional control valves be provided with a drain connection to drain that~ portion of'
, the system controlled by the sectional valve. The sprin-j kler system for this room has one control valve installed i in each branch line; a total of five in all. The largest diameter pipe controlled by these sectional valves is 1\".
The valves are installed to permit the isolation and removal of a section of branch line when a pump. motor is to :
be lifted up and off its pedestal. This allows the rest of the sprinkler system to remain in service, rather than ,
having to shut the entire system down for the removal of one section of branch line. Although none of the five i sectional control valves are provided with a drain connec-tion downstream of the valve, the action of dismantling / :
removing the isolated branch line will in itself drain the branch line.
SYSTEMS AFFECTED: Room 52 !
CONCLUSION: No modifications are necessary.
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, ATTACHMENT 3 Page 21 NFPA-13 1978 STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS CODE SECTION: 3-11.3.3.2
SUBJECT:
Auxiliary Drains for Pre-Action Systems STATUS: Non-Comply DISCUSSION: The 1978 edition of the Standard required an auxiliary drain consisting of two 1-inch valves and one 2-inch by 12-inch long condensate nipple when the capacity of trapped sections of pipe is more than 5 gallons. This requirement was for both dry pipe and pre-action type sprinkler systems.
The intent of such an arrangement is so that while removing condensate from an operational system, an excessive loss of air pressure will not occur. For a dry pipe system, such a loss of air pressure will trip the deluge valve and permit water into the system. For a pre-action system, a loss of supervisory air will occur and a low supervisory air pressure alarm will be transmitted. However, the deluge valve will not open, consistent with its design. The Standard recognizes the difference between the two systems, and the 1987 edition of the Standard no longer requires an auxiliary drain of the type described above for pre-action systems, when the system (s) are not subject to freezing.
Since none of the installed systems are subject to freezing, the current design of the auxiliary drains is acceptable and no modifications are necessary.
SYSTEMS AFFECTED: Heater Bay EL. 585', 623', Turbine Bldg. EL. 585' and 603'.
CONCLUSION: No modifications are necessary. Additionally, these two systems will be permanently converted to vet pipe sprinkler systems.
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,' ATTACHMENT 3 Page 22 NFPA-13 1978 STANDARD COMPLIANCE REVIEW DEVIATIONS AJH) CONCLUSIONS CODE SECTION: 3-11.4.4
SUBJECT:
Turned Down Elbows on Drain Pipes STATUS: Comply With Intent DISCUSSION: The downturn elbow discourages the use of the drain piping as a refuse receptacle, and minimizes the possibility of damage to property or wetting of passers-by when a test is performed. Although the main drain pipes on the sprinkler systems are not provided with turned down elbows, the intent of the Standard is met since the drain pipes are ar-ranged so that trash can not be placed in them, and hoses are connected to them when water is to flow from the drain, ,
thus eliminating the possibility of wetting property or ;
passers-by.
SYSTEMS AFFECTED: ALL CONCLUSION: No modifications are necessary.
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.' ATTACKdENT 3 Page 23 :
NFPA-13 1978 -
STANDARD COMPLIANCE REVIEW - ;
DEVIATIONS'AND CONCLUSIONS ;
s CODE SECTION: 3-12.2.8
}
SUBJECT:
Cutting and Welding of Sprinkler Systems 1
) STATUS: Non-Comply 4
The Standard does not allow torch cutting and-welding as a
- DISCUSSION
means of modifying or repairing sprinkler systems. This ;
stems from the concern over the possible introduction of :
ignition sources (a potential fire hazard) while protection is impaired. Should a modification to a sprinkler system at the plant become necessary, cutting and welding would be ,
allowed, but only after a hot work permit is issued and ,
fire watch established.
l SYSTEMS AFFECTED: ALL i I
CONCLUSION: No modifications are necessary. I i
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,' ATTACHMENT 3 Page 24 NFPA-13 1978 STANDARD COMPLIANCE REVIEW !
DEVIATIONS AND CONCLUSIONS !
a CODE SECTION: 3-13.3
SUBJECT:
Use of Bushings STATUS: Comply With Intent DISCUSSION: The Standard requires a one piece reducing fitting to be used wherever a change is made in the size of pipe. An i exception to the-Standard allows the use of bushings when standard fittings of the required size are not available, t With regard to the installed systems, piping 2 inches and smaller has coupliags with threaded bushings. It has not ;
been determined if standard fittings of the required size i
! were available when the systems were installed. The use ;
of bushings is not desirable because they have poorer' flow ;
charactetistics than reducing fittings and they have a l 1 greater tendency to leak. The friction loss through a bushing installed in piping 2 inches and smaller is insig-i 3
nificant; operational history of the systems indicates no !
problem of leaky. bushings. l
! SYSTEMS AFFECTED: ALL - With Exception of Met. Lab., Heater Bay, Roof
) Truss, Railroad Bay, and Turbine Building Systems.
CONCLUSION: No modifications are necessary. f i i l l a
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, -ATTACHMENT 3 Page 25 NFPA-13 1978' .1
, STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS i
i CODE SECTION: 3-15.1.1, 3-15.1.2, 3-15.1.3, 3 15.1.6, 3-15.1.7
SUBJECT:
Hangers STATUS: Non-Comply DISCUSSION: The various sections of the Standard listed above give some detail with respect to the hanging of sprinkler pipe. l Typically, the hangers used to support such pipe are to comply with these and other sections of the Standard. An exception to the Standard allows a registered professional engineer to certify as acceptable the types of hansers and installation methods used should these differ from the i requirements of the Standard. For these systems, there are !
numerous hanger designs which are non-standard. It has not always been possible to determine if the components of hanger assemblies which directly attach to the pipe or to -
i the building structure are listed. Also, documentation has ,
not been found which confirms that, at the point of hanging,
{ the building structure can support the added load of the ,
! water-filled pipe plus a minimum of 250 lbs. .Therefore, it I
is recommended that all such designs be evaluated by an !
. engineer in this discipline, and should such an engineer !
conclude that the hanger assemblies do not meet the i t
requirements of the Standard, then such hanger assemblies '
should be replaced with assemblies consistent with Section ;
j 3-15 of the Standard, j
(
SYSTEMS AFFECTED: Met. Lab. (3-15.1.1, 3-15.1.2, 3-15.1.3). ,
Heater Bay EL. 623' and 643' (3-15.1.6). f Heater Bay EL. 657' and Roof Truss (3-15.1.6, >
! 3-15.1.7). ,
- Turbine Bldg. EL. 585' and 603' (3-15.1.1, 3-15.1.3,
- a 3-15.1.6).
CONCLUSION: Have all non-standard hanger designs evaluated by engineering i (in accordance with the Standard) to determine acceptability .
with th e Standard. ;
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, ATTACHMENT 3 Page 26 NFPA-13 1978 STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS CODE SECTION: 3-15.5.2
SUBJECT:
Hanger Within 3" of an Upright Sprinkler STATUS: Non-Comply DISCUSSION: The Standard requires the distance between a hanger and the centerline of an upright sprinkler be. no less than 3 inches.
One upright sprinkler installed in this system is obstruct-ed by such a hanger. The closeness of this hanger will interfere with the proper distribution of water from the sprinkler. Therefore, it is recommended that the hanger be relocated so as not to cause such an obstruction.
SYSTEMS AFFECTED: Room 208 CONCLUSION: Relocate hanger away from sprinkler.
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. ATTACHMENT 3 Page 27 NFPA-13 1978 STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS l
! CODE SECTION: 3-15.5.3
SUBJECT:
Unsupported End Sprinklers l
STATUS: Non-Comply l
l DISCUSSION: The Standard requires the unsupported length between the end sprinkler on a branch line and the last hanger on the line be not greater than 36 inches for 1-inch pipe or 48 inches for th-inch or larger pipe. When either of these limits is exceeded, it is required that the pipe be extended beyond the end sprinkler and supported by an additional hanger. Numerous branch lines in these systems have unsupported lengths between the end sprinkler and the last hanger in excess of Standard limits. Excessive overhang may result in pipe movement when the system (s) actuate, l which could possibly cause fittings to leak and/or develop l significant stresses in the piping. Therefore, it is recommended that all such unsupported lengths be properly supported with hangers, or extend the pipe beyond the end
- sprinkler to the next framing member and support with a l hanger.
SYSTEMS AFFECTED: Turbine Building EL. 565', 585', and 603'.
CONCLUSION: Provide hangers on all unsupported pipe lengths which l exceed the limits prescribed in the Standard, i 1
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, ATTACIDfENT 3 Page 28 NFPA-13 1978 STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS CODE SECTION: 3-15.6.2 SUP. JECT: Cross Main End Hangers STATUS: Non-Comply DISCUSSION: The Standard requires intermediate trapeze hangers to be installed at the end of cross mains, unless the cross main is extended to the next framing member and supported with an ordinary hanger at this point. The installed systems do not always meet such design requirements. However, cross mains are substantially supported, and the overhang at the end of such cross maius is not of significant length to warrant an additional hanger. The current hanger locations are sufficient with regards to cross main supports.
SYSTEMS AFFECTED: Heater Bay EL. 585', 603', 623', Turbine Bldg. EL.
565', 585', and 603',
CONCLUSION: No modifications are necessary.
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. ATTACHMENT 3 Page 29 NFPA-13 1978 STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS CODE SECTION: 3-15.7.3
SUBJECT:
Support of Risers STATUS: Non-Comply DISCUSSION: The Standard requires sprinkler risers in buildings with ceilings over 25 ft. in height to have at least one support for each riser pipe section. Risers must be adequately supported to avoid excess strain on fittings and joints.
The present arrangement does not have all riser sections adequately supported. Due to the excessive height of the riser (approx. 50 ft.), it is recommended that additional supports be provided to the system's riser, SYSTEMS AFFECTED: Railroad Bay CONCLUSION: Provide additional supports to the system's riser such that at least one support for each riser section is provided.
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. ATTAC10fENT 3 Page 30 NFPA-13 1978 STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS CODE SECTION: 3-16.2.2 i
l
SUBJECT:
Sprinklers Installed Upside Down 1
STATUS: Non-Comply DISCUSSION: Several sprinklers are installed in the wrong configura-tions, i.e., pendent sprinklers in an upright position and vice versa. A sprinkler operating in such a manner will spray all of its water in an upward direction, thus de-i stroying the desired "umbrella-like" pattern of water spray, which provides a uniform distribution of water droplets at floor level. One of the systems has all pendent sprinklers in the upright position. This was done to allow the upward spray of water on structural steel roof ;
members. It is recomended that the sprinklers installed in the wrong configuration be removed and replaced with appropriate sprinklers for that specific application.
l SYSTEMS AFFECTED: Rooms 52, 304, Heater Bay EL. 603', 623', and Roof Truss.
CONCLUSION: Replace sprinklers not installed in accordance with their listing with sprinklers listed for use in a specific configuration (upright or pendent).
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.' ATTACHMEh7 3 Page 31 NFPA-13 1978 STANMRD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS CODE SEC* ION: 3-16.3.1
SUBJECT:
Corrosion Resistant Sprinklers STATUS: Non-Comply DISCUSSION: The Standard requires the use of listed corrosion-resistant ,
sprinklers in locations where chemicals, moisture or corrosive vapors exist, which are sufficient to cause corrosion on devices such as sprinklers. Several sprin-klers installed in this system have been corroded due to the humid conditions in the room. It is not expected that these sprinklers will operate at their design temperatures due to the corrosion build-up. Therefore, it is recom-mended that these sprinklers be replaced with corrosion-resistant sprinklers.
SYSTEMS AFFECTED: Room 52 CONCLUSION: Replace all sprinklers affected by corrosion with corrosion
- resistant sprinklers.
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-ATTACHMENT 3 ~!
l, Page 32 j t
i NFPA-13 1978 !
STANDARD COMPLIANCE REVIEW !
DEVIATIONS AND CONCLUSIONS ;
I !
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CODE SECTION: 3-16.6.3 ,
i 4
SUBJECT:
Intermediate Temperature Sprinklers ;
STATUS: Non-Comply 4
DISCUSSION: The Standard requires sprinklers of a certain temperature
, classification to be installed in areas where the ceiling i temperature exceeds a given value. A fast response sprin- I
,' kler is installed in this system where an intermediate .
temperature (212'F) sprinkler should be installed due to l the higher than normal ambient temperatures in the area. !
It is recommended that this sprinkler be replaced with an j intermediate temperature classification sprinkler. ;
i i SYSTEMS AFFECTED: Room 52 a i i
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- CONCLUSION: Replace the presently installed fast response ordinary l j temperature classification sprinkler with an intermediate {
j temperature (212'F) classification sprinkler. !
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.' ATTACHMENT 3 Page 33 NFPA-13 1978
, STANDARD COMPLIANCE REVIEW l l
e DEVIATIONS AND CONCLUSIONS 1 .
i
] CODE SECTION: 3-16.7.1
SUBJECT:
Supply of Spare Sprinklers in a Cabinet ,
STATUS: Comply With Intent !
DISCUSSION: The Standard requires a supply of spare sprinklers be main- ;
tained on the premises and that they be kept in a cabinet located where temperatures do not exceed 100*F. A supply of spare sprinklers is maintained on-site at the ware- ;
house. Although not necessarily kept in a cabinet, they ,
are kept in an area of the warehouse where both temperature
- and humidity levels are monitored and controlled.
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I CONCLUSION: No modifications are necessary.
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! Page 34 i
1 NFPA-13 1978 STANDARD COMPLIANCE REVIEW .
DEVIATIONS AND CONCLUSIONS j l ,
CODE SECTION: 3-16.7.2
SUBJECT:
Sprinkler Wrench i STATUS: Comply With Intent DISCUSSION: The Standard requires a sprinkler wrench be provided and kept in a cabinet for every system. This special type of wrench is used for the installation and removal of sprink-1ers. At least one sprinkler wrench of several wrenches on l site is kept in the pipe shop. The intent of the Standard
! is met. :
i SYSTEMS AFFECTED: ALL - With Exception of Turbine Bldg. EL. 565', 585',
and 603'. ,
CONCLUSION: No modificaticus are necessary. ;
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. ATTACHMENT 3 Page 35 NFPA-13 h STANDARD COMK Lace, REVIEW DEVIATIONS AND CONCLUSIONS CODE SECTION: 3-16.8
SUBJECT:
Sprinkler Guards STATUS: Non-Comply DISCUSSION: The Standard requires sprinklers which are so located as to be subject to mechanical injury to be protected with approved guards. Generally, sprinklers that are located closer than 7 ft. from the floor are considered to be subject to mechanical injury and guards should be considered in these cases. Several sprinklers which meet this criteria are not provided with guards. It is recommended that these sprinklers be provided with listed guards. Also, some sprinklers were noted to have bent deflectors. Any sprink-1er suffering damage that could affect its efficiency (such as a bent deflector) must be replaced. One room which does not require guards has a sprinkler with a bent deflector 1310/313). One room which has guards provided on the sprinklers has a few sprinklers with bent deflectors (328).
One room which requires guards has a sprinkler with a bent deflector (501). It is recommended that sprinklers with bent deflectors be replaced with new listed sprinklers.
SYSTEMS AFFECTED: Room 422A, 501, and Heater Bay EL. 623'.
CONCLUSION: Provide guards on sprinklers which are subject to mechanical inj ury. Replace sprinklers with bent deflectors with new listed sprinklers.
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. ATTACliMENT 3 Page 36~
l NFPA-13 1978 STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS CODE SECTION: 3-16.9.1, 3-16.9.2
SUBJECT:
Paint on Sprinklers STATUS: Non-Comply DISCUSSION: The Standara requires any sprinklers which have been painted (such as when the sprinkler piping or hangers were painted) to be replaced with new listed sprinklers of the same characteristics. Of the sprinklers inspected, a few ,
were found to have paint on them. The amount of paint on '
the sprinklers is minimal and the sprinklers will still operate if required. However, it is recommended that these sprinklers be replaced with new listed sprinklers.
SYSTEMS AFFECTED: Room 227, 501, and Met. Lab. ,
CONCLUSION: Replace those sprinklers which were found to have paint on them with new listed sprinklers.
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, ATTAC10!ENT 3 Page 37 NFPA-13 1978 STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS CODE SECTION: 4-1.1.4, 4-2.4.6
SUBJECT:
Clearance Between Sprinklers and Beams i STATUS: Non-Comply 1
i DISCUSSION: The Standard requires a specific distance be maintained between deflectors of sprinklers and the sides of beams in order to avoid obstruction to the sprinkler discharge pattern. Should this situation be unavoidable due to spacing requirements, hazard protected, or maximum distance allowed below the ceiling, then sprinklers should be located on either side of the beam to compensate for che obstructed spray pattern. The installed systems have sprinklers which are obstructed by beams. It is recommended that these sprinklers be relocated in accordance with Table 4-2.4.6 of the Standard and if this is not possible, then sprinklers will need to be provided on the opposite side of the beam on which the obstructed sprinklers are located, should coverage from adjacent sprinklers not be adequate.
l l SYSTEMS AFFECTED: Heater Bay EL. 603', 623', 657', Roof Truss, Turbine l Bldg. EL. 565', 585', and 603' (4-1,1.4).
l Heater Bay EL. 603', 623', o43', 657', Roof Truss, i Turbine Bldg. EL. 565', 585', and 603' (4-2.4.6).
CONCLUSION: Relocate sprinklers (which are near beams and signifi-cantly obstructed) in accordance with Section 4-2.4.6 of the Standard.
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, ATTACHMENT 3
- Page 38 i
i
! 'i i KFPA-13 1978 ,
- STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS i
e r
i i
CODE SECTION: 4-2.1.2 .
4
SUBJECT:
Distance Between Branch Linos
] [
1
- STATUS
- Comply With Intent 3 .
}i DISCUSSION: For Ordinary Hazard occupancies, the Standard allows a maximum distance between branch lines to be 15 ft. For
] both systems, the branch lines are spaced in excess of this ,
j limit due to the special configuration of the area being
! protected. Both systems have a tank or tanks present with .
branch lines running alongside the tank (s). The intent of l
- the Standard is met by providing sprinkler coverage in the areas around the tanks (the tanks are not the hazard being ;
, protected). Additional branch lines will not increase the !
) effectiveness of the systems.
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- SYSTEMS AFFECTED
- Room 12's and Heater Bay EL. 643'. j l CONCLUSION: No modifications are necessary, j 1 ,
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. ATTACHME)7 3 Page 39 NFPA-13 1978 STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS CODE SECTION: 4-2.1.4
SUBJECT:
Distance From Valls to End Sprinklers STATUS: Comply With Intent DISCUSSION: Ine Standard requires the distance from walls to end sprinklers on branch lines to not exceed one-half of the allowable distance between sprinklers on the branch lines.
One-half of the allowable distance for these systems would be 7\ ft. Although both systems exceed this allowable distance in certain areas, these areas are provided with coverage from sprinklers on adjacent branch lines. The special configuration of the systems allow this; one being a non-looped circular branch line, the other providing two levels of sprinkler protection.
SYSTEMS AFFECTED: Room 124 and 328.
CONCLUSION: No modifications are necessary.
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., ATTACHMENT 3 Page 40 NFPA-13 1978 STANDARD COMPLIANCE REVIEW
' DEVIATIONS AND CONCLUSIONS CODE SECTION: 4-2.4.7
SUBJECT:
Pesition of Deflectors STATUS: Non-Comply DISCUSSION: The Standard requires the deflectors of sprinklers to be parallel to ceilings and roofs. Sprinklers are designed to provide a definitive pattern of water distribution to the floor area when they are installed in a specific configu-ration. By having c sprinkler deflector parallel to the ceiling, a minimum v_ obstruction to the discharge pattern is achieved. A few sprinklers in this system are not installed with their deflectors parallel to the ceiling.
The sprinklers are located just above and to the side of a long horizontal tank and in a small space between the tank -
and the wall. Based on this configuration, relocating the sprinklers will in no way increase the reliability or performance of the system. As presently installed, water spray diotribution from the sprinklers will be adequate and no modifications are necessary.
SYSTEMS AFFECTED: Heater Lay El. 643'.
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CONCLUSION: No modifications are necessary.
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. , ATTACHMENT 3 Page 41 NFPA-13 1978 STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS COLE b4CTION: 4-2.5 ,
SUBJECT:
Clear Space Below Sprinklers STATUS: Non-Comply DISCUSSION: Tne Standard requires a minimum clearance of 18 inches be maintained betveen the top of storage and a ceiling sprin-kler deflector. In order to permit the distribution of water over the area that a sprinkler has been designed to prctect, there must be no obstruction to the spray pattern.
Fire tests conducted by the sprinkler industry have shown that sprinklers are effective only with an 18 inch or greater clearance. The tops of storage cabinets in this area are located less than 18 inches from some of the sprinklers. This reduced clearance will result in ob-structed spray patterns from the sprinklers. It is recom-mended that the configuration of the cabinets be changed in '
order to maintain a minimum clearance of 18 inches between~
the top of storage and ceiling sprinklers.
SYSTEMS AFFECTED: Metrology Lab CONCLUSION: Change configuration of storage cabinets in order to maintain the minimum 18-inch clearance requirement.
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ATTACHMENT 3 Page 42 NFPA-13 8 STANDARD COMPtaANCE REVIEW DEVIATIONS AND CONCLUSIONS CODE SECTION: 4-3.1.1, 4-3.1.2, 4-2.4.6
SUBJECT:
Position of Sprinklers - Smooth Ceiling Construction STATUS: Non-Comply DISCUSSION: The Standard allows the placement of sprinkler- a 12 inches below noncombustible ceilings, and the placement of sprinklers under beams 1-4 inches below beams with not more than 16 inches allowed below noncombustible ceilings for smooth ceiling construction. The maximum distances are based on sprinkler operating sensitivity and ceiling cooling considerations. Sprinklers under beams must not be more than 4 inches below the beam in order to be influenced by the heat as it spills from one bay to another under the team. Sprinklers currently installed do not meet these requirements and vary from approximately 6 feet to approxi-mately 12 feet below ceilings, except for the Cable Spreading Room sprinklers which vary from approximately 2 to 6 feet below the ceiling. Because a fire grows exponentially, the application of water on a fire in the shortest time period is essential for the effective control and/or extinguishment of the fire. The greater the distance a sprinkler is located below a ceiling or beam than the requirements above, the greater the response time of a sprinkler to ,
apply water on a fire; hence, the larger a fire to control. l It is recommended that sprinklers be relocated to the ceiling in accordance with Sections 4-3.1 and 4-2.4.6 of l the Standard. It is also recommended that an engineering I evaluation be performed to determine if additional sprinklers will be required to complement the newly relocated sprinklers j due to numerous obstructions between the sprinklers and the ;
floor level.
l SYSTEMS AFFECTED: Rooms 53, 209, 227, 304, and 422A (4-3.1.1).
Rooms 53, 209, 227, and 304 (4-3.1.2, 4-2.4.6).
CONCLUSION: Relocate affected sprinklers that significantly depart from the Standard to the ceiling in accordance with Sections 4-3.1 and 4-2.4.6 of the Standard and perform an engineering evaluation to determine the need for additional sprinklers.
Toledo Edison will justify those systems that are not relocated in accordance with the standard.
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. ATTACHMENT 3 l Page 43 NFPA-13 1978 STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS CODE SECTION: 4-3.2.1, 4-3.2.2, 4-2.4.6
SUBJECT:
Position of Sprinklers - Beam and Girder Construction STATUS: Non-Comply DISCUSSION: The Standard allows the placement of sprinklers 1 to 16 inches below combustible or noncombustible roof or floor decks, and the placement of sprinklers under beams 1-4 inches below beams with not more than 20 inches allowed below combustible or noncombustible roof or floor decks for beam and girder construction. The maximum distances are based on sprinkler operating sensitivity and ceiling cooling considerations. Sprinklers under beams must not be more than 4 inches below the beam in order to be influenced by heat as it spills from one bay to another under the beam.
Sprinklers currently installed do not meet these require-ments and vary from approximately 2 inches to 23. inches below the eciling for the systems in the Turbine Bldg / Heater Bay and vary from approximately 2 feet to 10 feet for the remaining systems listed belcw. Because a. fire grows exponentially, the application of water on a fire in the shortest time period is essential for the effective control and/or extinguishment of the fire. The greater the dis-tance a sprinkler is located below a ceiling or beam than the requirements above, the greater the response time of a sprinkler to apply water on a fire; hence, the larger a fire to control. It is recommended that sprinklers be relocated to the ceiling in accordance with Sections 4-3.2 and 4-2.4.6 of the Standard. It is also recommended that an engineering evaluation be performed to determine if additional sprinklers will be required to complement the newly relocated sprinklers due to numerous obstructions between the sprinklers and the floor level.
SYSTEMS AFFECTED: Rocms 52, 124, 208, 236, 303, 310/313, 314, 328, 402, 405, 427, 501, Heater Bay EL. 657', and Turbine Bldg.
EL. 603' (4-3.2.1, 4-3.2.2).
Railroad Bay (4-3.2.1).
Rooms 52, 124, 208, 236, 303, 310/313, 314, 328, 402, 405, 427, and 501 (4-2.4.6). l 1
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. ATTACHMENT 3 Page 43a NFPA-13 1978 STANDARD COMPLIANCE REVIEW-DEVIATIONS AND CONCLUSIONS CONCLUSION: Relocate affected sprinklers that significantly. depart from
-the Standard.to the ceiling in accordance with Sections 4-3.2-and 4-2.4.6 of the Standard and perform an engineering evaluation to determine the need for additional sprinklers.
Toledo Edison will justify those' systems- that are not relocated in accordance with the Standard.
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' ATTACHMENT 3 Page 44 NFPA-13 1978 STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS CODE SECTION: 4-3.2.1, 4-3.2.2
SUBJECT:
Position of Sprinklers - Beam and Girder Construction STATUS: Non-Comply DISCUSSION: The Standard allows the placement of sprinklers 1 to 16 inches below combustible or noncombustible roof or floor decks, and the placement of sprinklers under beams 1-4 inches below beams with not more than 20 inches allowed below combustible or noncombustible roof of floor decks for beam and girder construction. Numerous sprinklers installed in these systems are in excess of 16 inches below the ceiling.
The areas where these systems are installed have ceilings of open metal grating. This grating will not serve as a solid barrier to collect heat from a fire. Relocating the sprinklers closer to the bottom of the metal grating ceilings will not expedite the actuation of the sprinklers.
Therefore, relocating sprinklers in accordance with the Standard will not increase the reliability of the systems.
SYSTEMS AFFECTED: lleater Bay EL. 585', 603', 623', 643', Turbine Bldg.
EL. 505' and 585' (4-3.2.1, 4-3.2.2).
CONCLUSION: No modifications are necessary.
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ATTACHMENT 3 Page 45 NFPA-13 1978 STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS CODE SECTION: 4-4.11.
SUBJECT:
Open Grating Decks STATUS: .Non-Comply DISCUSSION: The Standard requires.the installation of-sprinklers under open metal grated decks which are over 4'ft. in width.
There are currently a few such decks for which no sprinkler protection is installed. The metal grating presents a-slight obstruction for sprinklers installed above. The-water distribution at floor level, beneath the decks, will be affected, but not to a great extent; water will still.
reach a fire and limit its spread. A concern with such decks being covered with goods in storage, thus completely obstructing sprinkler coverage, is not warranted here due to the nature of the occupancy (i.e., decks being used for valve and instrument access). Therefore, sprinkler protec-tion is not required beneath these open grated ~ decks since system operability will not be affected.
SYSTEMS AFFECTED: Room 236, Turbine Bldg. EL. 565',~585*, and 603'. -
CONCLUSION: No modifications are necessary.
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.. . ATTACHMENT 3 Page 46 NFPA-13 1978 STANDARD COMPLIANCE REVIEW ,
DEVIATIONS AND CONCLUSIONS I
CODE SECTION: 4-4.13 i:
SUBJECT:
Sprinklers Installed Beneath Ducts ;
STATUS: Non-Comply DISCUSSION: The Standard requires the installation of sprinklers .
beneath ducts over 4 ft. wide. Sprinklers are not installed' _;
t below duct work which is over 4 ft. wide in this area. The, lack of sprinkler protection for this area may possibly lead to significant fire growth prior.to detection and possible spread from the. area. Should the sprinklers above- ,
the duct operate, the water discharge would not extinguish or control the fire, as it wculd be shielded from the dis-charge. It is, therefore, recommended that sprinkler protection be installed beneath ducts over 4 ft. in width in this area.
SYSTEMS AFFECTED: Turbine Building, EL. 585'.
CONCLUSION: Install sprinkler protection beneath ducts over 4 ft. in width.
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. ATTACHMENT 3 Page 47 NFPA-13 1978-STANDARD COMPLIANCE REVIEW DEVIATIONS AND CONCLUSIONS CODE SECTION: 4-4.19
SUBJECT:
Baffles STATUS: Non-Comply DISCUSSION: The Standard requires baffles to be installed whenever sprinklers are installed less than 6 ft. apart from one another. Baffles prevent the water spray from the first opening sprinkler from striking the adjacent (less than 6 ft.) sprinkler's fusible link, thus preventing the adjacent sprinkler's operation. Several situations exist where sprinklers are installed less than 6 ft. apart, but an obstruction (such as a pipe, duct, hanger, light, etc.)
between such sprinklers serves as a baffle and no addition-al action is necessary. There are, however, other situa-tions where no obstructions are present and baffling between sprinklers is required. Therefore, it is recom-mended that some type of baffling element be installed between sprinklers less than 6 ft. apart so that the operation of one sprinkler does not prevent or retard the operation of an adjacent sprinkler, ,
SYSTEMS AFFECTED: Rooms 52, 124, 402, 501, and Turbine Bldg. EL. 565'.
CONCLUSION: Install baffles between sprinklers which are located less than 6 ft. from one another and do not have obstructions (which could serve as baffles) between them.
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, . ATTACHMENT 3 Page.48 NFPA-13 1978 STANDARD COMPLIANCE REVIEW ,
DEVIATIONS AND CONCLUSIONS CODE SECTION: 7-1.1.2
SUBJECT:
Information Required for Hydraulically Designed Sprinkler Systems STATUS: Comply With Intent DISCUSSION: Chapter 7 of the Standard.gives the basic inforroation required when a sprinkler system is to be hydraulically designed, rather.than designing a system per the pipe.
schedules. In addition to the description of the actual calculation procedure used for designing such a system, Chapter 7 also gives a description of the amount of infor-mation required on the data sheets, work sheets, summary .
sheets, and drawings. Bechtel and. Automatic Sprinkler Corporation of America originally performed the hydraulic calculations for the systems and a majority of this required information is contained on both the sprinkler drawings and original calculation sheets. Professional Loss Control also did a hydraulic evaluation of the systems to determine if the minimum design criteria can be met. Between these '
efforts, the majority of the information required in Chapter 7 has been provided.
SYSTEMS AFFECTED: All CONCLUSION: No modifications are necessary, l
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.. 1 ATTACHMENT 3 Page 49 NFPA-13 1978
, STANDARD COMPLIANCE REVIEW-DEVIATIONS AND CONCLUSIONS CODE SECTION: 7-1.2
SUBJECT:
Nameplate Dats STATUS: Non-Comply DISCUSSION: The Standard requires a sprinkler installer to properly.
identify a hydraulically designed automatic sprinkler system by attaching a-permanent placard to such a system, unless an alternate means of identification is provided by the owner. None of the installed systems are provided with such a nameplate. The required information on .the' placard is the location which the system protects and the basis of design (volume of water over area of discharge and flow and press?tre required at the riser to provide this density).
If required, design documents are available from which this information can be obtained.
SYSTEMS AFFECTED: All
! CONCLUSION: No modifications are necessary.
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