ML19294C014
| ML19294C014 | |
| Person / Time | |
|---|---|
| Site: | Haddam Neck File:Connecticut Yankee Atomic Power Co icon.png |
| Issue date: | 02/04/1980 |
| From: | Lainas G Office of Nuclear Reactor Regulation |
| To: | Ziemann D Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 8003060533 | |
| Download: ML19294C014 (2) | |
Text
{{#Wiki_filter:a s, 1 ,d .v -{-Q uw m.....a_ ogjy ~ a. r e,g ret cg Central Filesj j:Es 4 1960 (~ anc PCR PSB Reading Ziemann, Chief, Operating Reactors MEidORANDUM FOR: Dennis m. Branch #2, 00R G. Lainas, Chief, Plant Systems Branch, 00R i HADDAM NECK - FIRE PROTECTION 40DIF FROM: i I
SUBJECT:
ITEM 3.1.4(5) Haddam Meck l Planc Name: Northeast Utilities i Licensee: Docket No. : 50-213 0RB#2 Responsible Branch: 3 R. Silver l Project Manager: Plant Systems 15,1980 .j Review Branch: January i Requested Completion Date: Status: Complete j i systems in During our evaluation of the fire protection suppress onsingle feed l tne Turbine Building we noted that there was on y aand only a single l d tne yard loop to the automatic systems ring hea er t tions feed from the automatic systems ring header to the h 'f ll i the automatic and manual suppression systems pro e ring header. To provide a more I areas or areas exposing safety-related areas.d from the yeed reliable fire suppression system, an additional fee i lves is loop to both the ring headers, with appropriate isola i ly j the water demand of both the ring header and t a i of both l necessary. i i ring headers. in SER item The licensee agreed to provide the feed is de ided for j j the turbine building hose stations which cana feed in i stems in the i area (5.11)." i l 8003080 5 3 3
w '.2.~. 7 [ FEB 4 1580 Dennis L. Aiemann, To meet this comitment, the licensee installed a 4-inch feed from the yard loop to the turbine building r.ing header. This does not satisfy the comitrent. The modification. 3rovides two feeds, however, the 4 inch feed does not provide adequate capacity for providing maximum water demand of both the hose station and automatic systems rina headers. The licensee should be advised that the proposed modification is not acceptable. Our consultant's calculation regarding the capacity of the proposed feed is enclosed. We request that a new feed with adequate isolation valving to preclude a single break from affecting both ring headers. This requested modification should be completed prior to a return to power from the 1980 refueling outage. We request the. 0ffice of Inspection and Enforcement be notified to provide inspection of this requested modification. O] p mu a h1 L@v j -G. Lainas, Chief -1iYJiant Systems Branch 1 Division of Operating Reactors Contact. L. Derderian, X27690 En' closure: Letter dtd 12/27/79 - Consultant (B_NL) cc w/ enclosure: D. Eisenhut R. Tedesco G. Lainas R. Ferguson R. Silver T. Wambach L. Derderian PSB Reviewers D. Johnson I&E J. Stone, ISE DOR:S ,, OR: ,L,_ 00 B/BC_ D .m L M.eri nisb,,,R S. 9,s,p,n,,... ..GLd.inas.,. .u . 7.u../.80 .a..u.za0...e.../.%s0....... xac esenc sis (s.7s> xacu 22 e
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a ENCLOSURE 1 L :; _ [. BROOKHAVEN NATIONAL LABORATORY i ASSOCIATED UNIVERSITIES. INC. Ucten. New verk
- 1973 Ceccriment of Nue:ect Eregy (516) M5-2144 December 27, 1979 Mr. Robert L. Ferguson Plant Systems Branch U.S. Nuclear Regulatory Commission Wasnington, D.C.
20555
Subject:
Haddam Neck Fire Protection Review, Item 3.1.4(5).
Dear Bob:
As I stated in my letter to you on Decemoer 20, 1979 the four-inch con-nection f rom the service building was inadequate to supply the required water pressure and demand for the turbine building fire protection water in case of a break in the main water feed from the loop. Attached is a copy of Mr. Antonetti's calculations verifying this fact. Respectfully yours, ~i {$
- 5 c
j Robert E. Hall, Group Leader Reactor Engineering Analysis REH:EAM:sd d'* R D' attachment cc.: R. Cerbone wo/ enc. W. Kato wo/ enc. V. Panciera wo/ enc. A.. Derderi an E. MacDougall A g' yu 21 s v v ~ i i
s a t GAGE-BABCOCK & ASSOCIATES. INC. NEW YC AK OFFICE
- 105 KISCO AVENUE. MT. KISCO. NY 1C549 + (914) 565-2381 j ~I paut 3 surTe.
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.e av u cc,~, c. 4, , v.<, w, ,a .s - December 26, 1979 File No. 7722 3rookhaven National Laboratory Associated Universities, Inc. Building No. 130 Upton, Long Island, New York 11973 Attention: Mr. Edward A. MacDougall RE: Haddam ?;eck Fire Protection Review Additional Fire Water Feed Turbine Building Gentlemen: Reference your letter of December 20, 1979 requesting water requirements for the Turbine Building sprinkler protection Haddam Neck Nuclear Pcwer Plant. at The fire hazard analysis submitted by the Utility indicates a water demand for the Turbine Building sprinkler system as 2,000 gpm with an additional 900 gpm for the oil receiver and cooler deluge system. The combined demand is 2900 gpm with an approximate pressure of 100 psig as indicated in FHA fire hazard analysis. Using the 2000 gpm @ 100 psi as the water demand for the sprink-ler systems in the turbine building, the friction loss in the 4-inch alternate feed from the Service Building to the turbine manifold sprinkler system is determined by Hazen-Williams For-mula: l*8S 4524 G 4 'l = C1.85 4.87 d where G = rate of flow, gpm C = Hazen-Williams pipe coefficient d = internal diameter of pipe, inches f = loss, psi /1000 ft. y
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~+ - I Brookhaven National Laboratory Dec. 26, 1979 Inserting the appropriate number the formula is f1 = 4524 (2000)'*85 (120)1.35 (4)4.37 f 964 psi /1000 ft. of pipe. = y The 4-inch pipe has an equivalent Therefore, the friccion less length of pipe of 400 feet. for 2000 gpm with a C factor of 120 is 386 psi. The fire pumps are rated for 2500 gpm 9 115 psi. These pumps cannot the pressure requirements. meet In conclusion, the 4-inch alternate feed from the Service Building to the turbine manifold sprinkler systems can not supply the water demand requirements for the turbine building. If you have any questions, please call me. Very truly yours, GAGE-3ABCOCK & ASSOCIATES, INC. l' $ k ' MAA/ims Mario A. Antonetti, P.E. I2}}