ML19319D431

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Submits Info Re Reactor Bldg Spray Additive Sys.Given NRC Acceptance of Proposed Operation W/O Sodium Thiosulphate Injection Sys,Util Would Accomplish Interim Administrative Control Procedure Prior to Initial Criticality
ML19319D431
Person / Time
Site: Crystal River Duke Energy icon.png
Issue date: 12/21/1976
From: Rodgers J
FLORIDA POWER CORP.
To: Stolz J
Office of Nuclear Reactor Regulation
References
NUDOCS 8003170563
Download: ML19319D431 (8)
v • d • e


Text

{{#Wiki_filter:. g.mc po At 195 U.s. NUCLE AR CEGU'.AToRY COMMISSCN DoCKE T NUM;E R

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""""2'" NRC'DISTRIBUT!ON vom PART 50 DOCKET MATERI AL l T3: FROM: DATE OF COCUMENT ] Florida Power & Light Compsny 12/21/76 j St. Petersburg Florida oATE RecEivEo 1 Mr. John Stolz Mr. J. T. Rodzers 12/30/76 & ETTER MNoTORIZED PROP INPUT FORM NUMBER OF COPIES RECEIVED

  1. cmGINAL Si[ UNCLASSIFIED Three signed 40 copias enet., reevd.

CCoPr DESCRIPTION F.NCLOSU RE Ltr w/ attached....notorized 12/23/76.. ..concerning the Reactor Building Spray -]{.gi{~~ )) } (;.__ - Additive Syste:n for CR#3. ,g,gw,. - -.-,3 (7-P) PLANT NAME: Crystal River Unit #3 SAFETY FOR ACTION /INFORMATION ymrTun 12/30/76 RJL ' ASSIGNED AD: ARRTCNFn An. X BRANCH CHTE?r S tolz ([] RDAFEM PMTTP. Y PROJECT MANAGER: En21e PROJECT MANAGER: X LIC. ASST. Hylton LIC. ASST. -r-INTERNAL DISTRIBUTION YREG FILE ) SYSTEMS SAFETY PLANT SYSTEMS SITE SAFETY & X NRC PDR _ _ HEINEMAN TEDESCO ENVIRO ANAI.YSTS 1 X'I & E [#) SCHROEDER BENAROYA DENTON & Mtif.T FD YtELD f_ATNAR J yCOSSICK & STAFF ENGINEERING IPPOLITO ENVIRO TECH-I MIPC MACARRY KTRKWOOD ERNST CASE KNIGHT BALI).RD HANAUER SIHWEIL OPERATING REACTORS SPANGLER HARLESS PAWLICKI STELLO. i i SITE TECH. PROJECT MANAGEMENT I REACTOR SAFETY OPERATING TECH. GAMMILL BOYD ROSS EISENHUT [M, ) STEPP P. COLLINS NOVAK X SHA0 HULMAN HOUSTON ROSZTOCZY X BAER PETERSON CHECK X BtTfLER SIT?. ANALYSIS MELTZ X CRIMES VOLIMER BUNCH HELTEMES ' AT & I X.J. COLLINS SKOVHOLT SALTZMAN RUTBERG KREGER EXTERNAL DISTRIBUTION CONTROL NUMBER EfDR: Crystal River. Fig. NAT. LAB: BROOKHAVEN MAT. TAR. MC: REG V.IE ULRIKSON (ORNL) g/2 ( ' 2 yflSIC: LA PDR ASLB:. CONSULTA!ffS: - / / l<ACKS /6 CTS ~~H6t:9tN64 SEbT: f M. W 0 3-/10/7d) ?6 NRC F%RM 195(2 76)

_ yg 1 < Of3 ) ., ' ', 3,. > , y. &.,, y + e 2 '. i ar m i, e. /G g ~ T Florida Power 2 M g y 4 / Dec/m e 21,1976 x Mr. John Stolz A 8 &}\\ Branch Chief Light Water Reactors Branch I g -g Division of Project Management / p p,,, U.S. Nuclear Regulatory Conmission - N Washington, D.C. 20555 7 //,j, 'O ..Q%,. In Re: Crystal River Unit #3 -t Operating License DPR-72 'o Docket No. 50-302

Dear Mr. Stolz:

During the past few weeks we have had several discussions with Mr. Walt Pasedag of the Commission's staff concerning the Reactor Building Spray Additive System for CR#3. Specifically, Mr. Pasedag expressed two areas of concern: (1) Was the modification involving the addition of swing check valves in the chemical lines complete and the system retested; and (2) Does the present system design maintain 1%+ 10% by weight of Sodium Thiosulfate throughout the drawdown analysis. In response to Mr. Pasedag'.s concerns, we offer the following informa-tion: (1) Attached is the resultant analytical and actual drawdown curves of the referenced retest which verify that the system, as modified, meets the original design criteria. These test results were re-viewed and approved on site by NRC I&E, as this concern was reported as a possible generic deficiency. (2) Mr. Pasedag expressed some concern as to our ability to maintain the proper concentrations of Sodium Thiosulphate with the present system design. In this regard, he suggested the alternative that we consider eliminating Sodium Thiosulfate from the Spray Additive System for CR#3. As an interim method of accomplishment of this alternative, he suggested the following course of action. (A) Administratively lock closed the discharge valves of the Sodium Thiosulfate tank thus preventing the addition of Thiosulfate to the system. (B) ' Determine that the PH of the solution at the spray header and R.B. Sump locations, assuming only the addition of Na0H, to insure that the present Na0H volume and concentrations would M.46 maintain the PH to within an acceptable range. General Of t:ce 3201 Thirty fourth street soutn. P.O. Box 14o42, St Petersburg, Florida 33733 e 813-866-5151

9 Mr. John Stolz December 21, 1976 Utilizing available information from previous drawdown test results and analyses, the following PH values were calculated at the spray header and R.B. sump assuming that only the contents of the NaOH and BWST tanks are added in the system. (1) PH at Spray Header (a) Valve failure case - 9.65 (b) Maximum 10.2 (2) PH of R.B. Sump (a) Valve failure case - 9.2 This information was supplied to Mr. Pasedag by Gilbert Associates on December 20, 1976, for his review and use in determining acceptability dose calculations for CR#3 based on the removal of Sodium Thiosulfate from the CR#3 system design. 4 The above information and attachment represents documents used in our discussions with Mr. Pasedag and this filing completes Florida Power Corporation's documentation of this alternative. Based on your acceptance of the proposed operation without the Sodium Thiosulfate injection system, we woult accomplish the interim admini-strative control procedure prior to initial criticality. ~If you require further discussion of the above information, please contact this office. Very truly yours, J. . Rodgers Asst. Vice President JTR/mcm3/12 I l i r~

IN WITNESS WHEREOF, the applicant has caused its name to be hereunto signed by J. T. Rodgers, Asst. Vice President, and its corporate seal to be hereunto affixed by J. H. Joyce, Asst. Secretary, thereunto duly authorized the 23rd day of December,1976. FLORIDA POWER CCRPORATION By 7 J. T #Rodgers V Asst. Vice President ATTEST un:rge (CORPORATESEAL) Sworn to and subscribed before me this 23rd day of December, 1976. D( Notary Public My Comission Expirgs: Notary Public State of Florida at Large My Comission Expires July 9,1978 e (NOTARIALSEAL) 4 4

\\.. ~. ',_ 9% @.L 4 f 6 ! i-O d AU G1 ,y'g 2 "5El"jgan~E g e Au~uct 4, 1976 3 FPC - 13967

r R. S. Burns E-3 CT.-3 Engineering Manager Florida Pcr.rer Corporation P. O. Box,l',042 St. Petersburg, Florida 33733 Attention:

Mr. J. Hobbs Re: 3b'3T Bravdc*.a Ratest Crystal River Unit I*o. 3 Florida Pcreer Corporation Den: Mr. Burns: Attached is the resultant analyticci and actual draudoun curves of 'tha referenced tos t. The agreement of the caalyticc1 cad actual results further varities the analytical codel as presented in the original "L'IST Drevdcr.m Transient Analysis". In CAI's opinion no further testing is required for this case. Should there be any questions, pleasc advise. Very truly yours, R. F. Ely [ Applied Enr,ineering Analysis R. E. Vaughn liuclear Project Engineer RFE/RCV/pch Attachtent cc: R. S. Burns (2) v/stt. J. Alberdi v/att. A. L. Co:x:: w/att. D D g y's ao o C. E. Jackson w/att, .~d eo, o 3 J. C. Colby v/att. 4

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