ML20136F411
| ML20136F411 | |
| Person / Time | |
|---|---|
| Site: | Hope Creek  |
| Issue date: | 01/03/1986 |
| From: | Corbin McNeil Public Service Enterprise Group |
| To: | Adensam E Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 8601070370 | |
| Download: ML20136F411 (8) | |
Text
._
Public Service E'ectric and Gas Company C:rbin A. McNeill, Jr.
Public Service Electnc and Gas Company P.O. Box 236.Hancocks Bridge, NJ 08038 609 339-4800 Vice President -
Nuclear January 3, 1986 Director of Nuclear Reactor Regulation United States Nuclear Regulatory Commission 7920 Norfolk Avenue Bethesda, Maryland 20814 Attention:
Ms. Elinor Adensam, Director Project Directorate 3 Division of BWR Licensing
Dear Ms. Adensam:
FIRE PROTECTION TELECONS OF DECEMBER 18 and 19, 1985
-HOPE CREEK GENERATING STATION DOCKET NO. 50-354 Pursuant to the telecons held on December 18 and 19, 1985 between Messrs. J.
Pantazes and I. Mermelstein of Public Service Electric and Gas Company (PSE&G) and Messrs.
D.
Kubicki and D. Wagner of the NRC concerning fire protection at Hope Creek, PSE&G hereby submits the following information.
1.
The following statement will be added to FSAR Section 9.5.1.6 (Attachment) "HCGS has implemented the require-ments of Branch Technical Position CMEB 9.5-1 Revision 2 dated July 1981 per NUREG 0800 (SRP 9.5.1, Revision
- 3) in the development of the fire protection ~ program and in'the design / installation of the fire protection systems.
HCGS is in compliance with the Branch Technical Position requirements with deviations as identified in Section 9.5.1 and Appendix 9A."
2.
A markup of Page 1 of 3, Insert B to FSAR page 9A-50 (Attachment) incorporates the statement which identifies the separation of redundant safe shutdown divisions as being in excess of 100 feet.
This page was previously submitted by letter from C.A. McNeill (PSE&G) to E.
Adensam (NRC) dated December 3, 1985 as the Ruskin Damper Corrective Actions.
3.
The following additional information will be incorporated into FSAR Section 9.5.1.2.3.3.
This information identifies the fire hydrant spacing criteria as applied in the
.HCGS yard area.
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E*s'8 i3EAsAnn B601070370 860103
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PDR ADOCK 05000354 nse (Acu nci F
PDR F08 (VASSAR 0)
AD - G. LAINAS (Ltr only)
Director of-Nuclear 2
1/3/86 Reactor Regulation "Per BTP CMEB 9.5-1, Section C.6.b(7), the HCGS yard fire hydrant design was based on approximate spacing of 250' along the underground piping loop.
With the four exceptions identified below, all hydrants within the protected area are included in a 200' to 300' hydrant-to-hydrant spacing envelope.
The exceptions to this are:
A.
Hydrants 52-to 17 327 Feet B.
Hydrants 32 to 4
393 Feet C.
Hydrants 27 to 4
362 Feet D.
Hydrants 15 to 4
351 Feet Yard hydrant coverage at HCGS is adequate to effectively protect ~all areas based on the following features.
A.
Per NFPA 24, Section 4-2.1, maximum hose lengths are limited to 500 linear feet.
The worst case HCGS hydrant-to-hydrant spacing of 393 feet, which equates to a maximum required hose run of less than 200 linear feet to reach a point between hydrants, is well within the NFPA 24 criteria.
B.
A mobile response vehicle will be used to transport sufficient hose and associated equipment to provide effective hose streams at any yard location.
C.
Yard supply pressure in excess of 90 psig with 2500 gpm flowing is-available at all yard hydrants within the protected area.
This is ample water supply to allow effective hose streams to be deployed in all yard areas.
D.
The four exception hydrants identified above all cover areas of the yard with no safety related equipment, and which present no exposure fire hazard to safety related structures.
Based on this, the HCGS hydrant configuration provides acceptable yard fire suppression, in compliance with NFPA 24.
The deviations from the BTP spacing criteria do not adversely affect yard fire protection.
_. - -. _ _ _ _ _. _ - = _.. _ _ _. -.. _ _ _
g Director of Nuclear 3
1/3/86 Reactor. Regulation
'In the event there are any questions with respect to the above, do-not hesitate to contact us.
Sincerely,
' Attachments C
D.H. Wagner USNRC Licensing Project Manager R.W. Borchardt
.USNRC Senior Resident Inspector I
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prior to receiving fuel on cite.
The fire protecticr. program will be implemented in its entirety prior to fuel load.
9.5.1.6 SRP Rule Review All differences and clarifications discussed below are differences and clarifications to BTP CHEB 9.5-1, Revision 2, dated July 1981.
bed A y
9.5.1.6.1 Paragraph C.1.c.(2)
Paragraph C.1.c.(2)'recuires that a single active failure or
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crack in a moderate-energy line in the fire suppression system should not impair -both the primary and backup fire suppression capability.
At HCGS, automatic and manual sprinkler / spray systems headers are connected to in-plant loops that are fed from the main underground fire protection water piping or yard loop by two separate lines.
Since the in-plant loops are fed by two separate
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supplies, they are considered an extension of the main underground yard loop.
Except for the radwaste/ service area, elevator shaft, and machine room for elevator 11-02 in the turbine building and elevator shaft and machine room for elevator 51-01 in the control area, the automatic and manual sprinkler / spray systems and hose stations serving a single area, including safety-related areas, have takeoffs from the in-plant loop, separated by sectional control valves normally locked open.
The header arrangement is such that by manual positioning of the sectional valves, rx) single piping failure can impair both the primary and backup fire water protection provided for a single area.
In addition, the automatic and manual water sprinkler / spray and foam systems and fire water hose stations or hydrants serving the circulating water pump structure and the non safety-related 1,000,000-gallon fuel oil storage tank located in the yard are each fed from the maih, underground yard loop by one feed line.
A single break in the feed line can impair both the primary and backup fire water protection.
A single failure of the fire water piping serving the above areas and buildings will not affect safe shutdown of the plant.
HCGS is designed for separation of redundant safe shutdown trains to 9.5-39 Amendment 12 O
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HCGS has implemented the require-ments of Branch Technical Position CMEB 9.5-1 Revision 2 dated July 198,1 per NUREG 0800 (SRP 9.5,1, Revision
- 3) in'the development of the fire protection program and in.the-design / installation of the fire protection systems.
HCGS is in compliance with the Branch Technical
' Position requirements with deviations as identified in Section 9.5.1 and' Appendix 9A.
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Offcite power is needed to run non-Class'1E bus.
The diesel-engine-driven pump is fror L the electric-motor-driven fire pump.
Offsite pump controller is provided with power from batteries.
i Loss of ac power ac power is provided to the battery charger.startup or operation of the diesel-d does not preventThe diesel fire pump starts automatically on loss of ac pump.
i power.
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The diesel fuel supply tank has a capacity of 280 gallons of
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This is sufficient to supply the necessary Number 2 fuel oil. fuel needed for diesel-engine-driven fire pump operation in excess of B hours at full pump capacity.
L The electric-motor-driven fire pump and controls are located in a The diesel-driven' room along with the jockey pump and controls. fire pump an The diesel fuel oil day tank is 5
3-hour fire-rated barriers.Each fire pump room is provided with an l
located outdoors.
automatic water sprinkler system.
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i 9.5.1.2.3.3 Yard Piping k
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The connections to the yard fire main loop from each of the two separated by a
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fire pumps are spaced approximately 75 feet apart,
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divisional valve with additional valves arranged to isolate i
either connection to mainta n a 100% water supply to the main The top of the piping is below the site frost line of I
For underground piping y
loop.
3 feet 6 inches below ground level.
within the power block area, bedding is of lean concrete or granular material compacted to 90%, according to ASTM Di
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is of granular material compacted to 90% (ASTM D 1577, Method D (Method D);
l Backfill is of granular or of lean concrete or sanderete.
material compacted to 855 (ASTM D 1577, Method D).
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The outdoor, underground yard loop was designed in acco mortar-lined ductile iron pipe that extends around the powerare provided for with NFPA 24.
Post-indicator valves (PIV's) individual curb box valves, are installed on the yard block.
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to any intervals sufficient to provide an effective hose streamii provhnia for-e A4csa - hettse f i t t i nggn r r-ngsor-les._in yard Iocation.
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3Mhydrant desicin's'as'bEsEd o'n'spproximate'spaci.ncf,y'ard fire '
"Per BTP CMEB 9.5-1,. Section' C.6.b(7 ),
the HCGS
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V of 250'.
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'?iare, included in a 200' to 300' hydrant-to-hydrant spacing envelope.
Th.e excepti..ons to this are:
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Hydrants 52 to 17 327 Feet
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Hydrants 32 to 4
393 Feet
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Hydrants 27 to 4
362 Feet Hydrants 15 to 4
351 Feet
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.. '.<, j:.YaEd '.h. ydrant.. cove. rage....:.at..HCGS is adequatef t. o'~ ef f e,ctively
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.all --area s'. ba sed. on the following* features..
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Section. 472 l., maximum hose lengths are
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'Q f to-hydrant Tpacing of 393 feet, which equates to a
.;f ' maximum required, hose run of less than 200 linear feeti well within the
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/,k A mobi'le,, response _ve,hicle.w111 -be used.,to ' transport 2 ff.
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effective, hose. streams at any yard location.
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Yard supply pressure in' excess of 90 psig with 2500 gpm flowing is available at all yard hydrants within the protected area.
This is ample water supply to allow effective hose streams to be deployed in all x
yard areas.
D.
The four exception hydrants identified above all cover areas of the yard with no safety related equipment, and..which present no exposure fire hazard to safety
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related structures.
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Bascion ',this, the HCGS hydrant configuration provides J
acceptable yard fire suppression,.'in compliance with NFPA y.
' 24.,The deviations from the~BTP spacing criteria do not
" adversely affect yard fire protection.
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