PLA-4489, Responds to Verbal Questions on Util Amends 188 & 144 Re Battery Load Profiles

Responds to Verbal Questions on Util Amends 188 & 144 Re Battery Load Profiles

ML20116K295
Person / Time
Site:	Susquehanna
Issue date:	08/09/1996
From:	Byram R PENNSYLVANIA POWER & LIGHT CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20116K299	List: ML20116K305 ML20116K315 ML20116K335 ML20116K344 ML20116K349 PLA-4489, Responds to Verbal Questions on Util Amends 188 & 144 Re Battery Load Profiles
References
PLA-4489, NUDOCS 9608150008
Download: ML20116K295 (3)

Text

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PPaLL Pennsylvania Power & Light Company Two North Ninth Street = Allentown, PA 18101-1179

• 610/774 5151 Robert G. Byraen l Senior Vice President-Nuclear i 610/774-7502  ;

Fax: 610/774-5019  !

AUG 0 91996 l

U.S. Nuclear Regulatory Commission  !

Attn.: Document Control Desk j Mall Station P1-137  :

Washington, D.C. 20555  :

SUSQUEHANNA STEAM ELECTRIC STATION RESPONSE TO QUESTIONS FROM NRC STAFF 1 ON PROPOSED AMENDMENT NUM8ERS 188 (Ul) 1 AND 144 (U2): BATTERY LOAD PROFILES Docket Nos. 50-387/NPF-14 PLA-4489 FILE R412 and 50-388/NPF-22 This letter responds to the NRC staff's verbal questions on Pennsylvania Power & Light Company's  :

proposed Amendment Nos.188 (U1) and 144 (U2). As a result of the Staff's quesdons the j following calculations have been revised. .

. EC-088-0506 Rev. 2 Class 1 E 250V Battedes - Battery Sizing i

. EC-088-1005 Rev.1 Battery 1D650 Load Profile

. EC-088-1006 Rev.1 Batten 1D660 Load Profile  ;

e EC-0881007 Rev.1 Battery 2D650 Load Profile i

. EC-088-1008 Rev.1 Battery 2D660 Load Profile Copies of the revisions to the documents previously submitted for Battery 2D660 by letter (PLA-4375) dated October 25, 1996, are attached. Also per your request, the same information for Battedes 1D650,1D660 and 2D650 is attached.

in addidon the Staff quesdoned why Specifications 4.8.2.1.e and 4.8.2.1.f were not being revised in this amendment submittal. These specifications are being revised as part of PPmL's submittal on l Improved Technical Specifications (ITS). Attached for your information is a copy of the proposed Unit 1 ITS submittal for these Specifications which has been forwarded for your review under a separate submittal.

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if you have any questions, please contact Mr. C.T. Coddington at (610) 774-7531.

Very truly yours, 4

tSo R. G yr AM 140042 9608150008 960809 PDR ADOCK 05000387 P PDR  ;

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I 2- FILE R412 PLA-4489 Document Control Desk  ;

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l copy: NRC Region i  !

Mr. K. Jenison, NRC Sr. Resident inspector Mr. C. Posiusny, Jr., NRC Sr. Project Manager  :

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CTC:tah 4489.CTC 08/05/96 3:44 PM l

Project: 1D650 Date: 10/26/94 EC-088-0506 8 OF 19 Lowest Expected Minimum Electrolyte Temp: 60 Deg F Cell Voltage: 1.78 Cell MFR: C&D Cell Type: LCR - 25 Change in Duration Capacity at I Load Load of Period Time to End of Section T Min Rate -

Section (Amperes) (Amperes) (Minutes) (Minutes) Amps /Pos Plate Required Section Size  !

Pos Values lNeg Values Section 1- First Period Only - If A2 is greater than Al go to Section 2.

l 1 ]Al 800lA*r0 800lM1 = 1lT =M1 = 1l 129.1 6.20 Sub Total 6.20 Total 6.20 Section 2- First Two Periods Only Uf A3 is greater than A2. go to Section 3.

1 Al = 800lA10 = 800 M1= 1 T=M1+M2= 10 116.3 6.88 2 A2= E! nj a_2.A l = -190 M2= 9 T=M2= 9 117.3 0.00 -1.62 Sub Total 6.88 -1.62 Total 5.26 Section 3- Rrst Three Periods Only - If A4 is greater than A3. go to Section 4.

1 A1 = 800 A1-0 = 800 M1= 1 T=M1+M2+M3= 30 93.2 8.58 2 A2= 610 A2-Al = -190 M2= 9 T=M2+M3= 29 94.7 0.00 -2.01 3 A3= 535 A3-A2 = -75 M3= 20 T=M3= 20 105.7 0.00 -0.71 Sub Total 8.58 -2.72 Total 5.87i Section 4 - First Four Periods Only -If A5 is greater than A4. go to Section 5.

1 A1 = 800 A2-Al = 800 M1= 1 T=M1+M2+M3+M 240 29.2 27.40 2 A2= 610 A2-A1 = -190 M2= 9 T=M2+M3+M4= 239 30.0 0.00 -6.33 3 A3= 535 A3-A2 = -75 M3= 20 T=M3+M4= 230 30.5 0.00 -2.46 4 A4= 27 A4-A3 = -508 M4= 210 T=M4= 210 32.6 0.00 -15.58 Sub Total 27.40 -24.38 Total 3.02 Max Section Size: 6.20 + Random Section O = Uncorrected Size (US): 6.20 US X Temp Correction 1.11 X Design Margin 1.0 X Aging Factor 1.25 = 8.60 Required Cell Size: 9 1 D650SZ.XLS

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