ML20062L679: Difference between revisions

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| number = ML20062L679
| number = ML20062L679
| issue date = 02/05/1981
| issue date = 02/05/1981
| title = Proposed Tech Spec Page 3/4 7-26 Re Surveillance Requirements & Table 3.7-4, Safety-Related Hydraulic Snubbers.
| title = Proposed Tech Spec Page 3/4 7-26 Re Surveillance Requirements & Table 3.7-4, Safety-Related Hydraulic Snubbers
| author name =  
| author name =  
| author affiliation = BALTIMORE GAS & ELECTRIC CO.
| author affiliation = BALTIMORE GAS & ELECTRIC CO.

Revision as of 18:48, 6 January 2021

Proposed Tech Spec Page 3/4 7-26 Re Surveillance Requirements & Table 3.7-4, Safety-Related Hydraulic Snubbers
ML20062L679
Person / Time
Site: Calvert Cliffs Constellation icon.png
Issue date: 02/05/1981
From:
BALTIMORE GAS & ELECTRIC CO.
To:
Shared Package
ML20062L677 List:
References
NUDOCS 8102170348
Download: ML20062L679 (4)


Text

-

o .

PLANT SYSTEMS 1

SURVEILLANCE RE0VIREMENTS (Continued)

c. At least once per 18 months during shutdown, a representative sample of at least 10 hydraulic snubbers or at least 10% of all snubbers listed in Table 3.7-4, whichever is less, shall be selected and functionally tested to verify correct piston movement, lock up and bleed. Snubbers greater than 50,000 lb.

capacity may be excluded from functional testing requirements.

Snubbers selected for functional testing shall be selected on a rotating basis. Snubbers identified as either "Especially Difficult to. Remove" or in "High Radiation Zones" may be exempted from functional testing provided these snubbers were -

demonstrated OPERABLE during previous functional tests. Snubbers

( found inoperable during functional testing shall be restored to OPERABLE status prior to resuming operation. For each snubber found inoperable during these functional tests, an additional; minimum of 10% of all snubbers or 10 snubbers, whichever is less, shall also be functionally tested until no more failurer are found or all snubbers have been functionally tested.

t 1

D asi nated " Inaccessible" in Table 3.7-4 may remain 12 months +- . on interval of Table 4.7- e next visual inspection of these snubber , ha performed on October 8, 1978, + 92 days, pro .ida4-the hy raulic r vels of all steam ydraulic snubbers are verified accep a st l

ce per 31 days.

l CALVERT CLIFFS - UNIT 2 3/4 7-26 AmendmentNo.)&

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{ . TABLE 3.7-4 n .

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SAFETY RELATED llVDRAllLIC SNUBBERS

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3 SNUBBER SYSTEM SNUBBER INSTALLED ACCESSIBLE OR HIGH RADIATION ESPECIALLY DIFFICULT E- NO. ON, LOCATION AND ELEVATION INACCESSIBLE ZONE ** TO REMOVE

(A or I) (Yes or No) (Yes or Ho) 2-61-19 CONT. SPRAY HDR FOR SPRAY RING
  1. 22 39' I Yes Yes 1

2-63-1 S/G #22 BLOWDOWN LIllE 34' 11' A flo No 2-63-2 S/G #22 BLOWDOWil LItlE 27' 10' A No No 2-63-3 NITROGEN LINE TO S/G #22 77'6" I Yes No w 2-63-4 NITROGEN LINE TO S/G #22 77'6" I Yes No 1 -

y 2-63-5 S/G #21 SURFACE BLOWDOWN LINE 76'9" I Ye! No 2-63-6 S/G #21 SURFACE BLOWDOWN LINE 76'9" I Yes fio .

2-63-11 STEAM GENERATOR #21 75' . I Yes Yes 2-63-12 STEAM GENERATOR #21 75' I Yes Yes 2-63-13 STEAM GENERATOR #21 75' I Yes Yes 2-63-14 STEAM GENERATOR #21 75' I Yes Yes 2-63-15 STEAM GENERATOR #21 75' I Yes Yes

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{ 2-63-16 STEAM GENERATOR #21 75' s I Yes Yes I* 2-63-17 STEAM GENERATOR #21 75' I 3 Yes Yes

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t p., .Q T Alli.E 3. 7-4 h SMI TY 1101 ATf D f tYDRAtlt.lc SfJllhi:1:W ACEfSSIBLE Olt lilGil aA01 AT10fl ESPECIAll.Y DIFFIEULT

.., sill 10BfR SYSil.11 StitiflBf R lilSI Alll D TO Rett 0VE ZOft!. *

  • C 11 0 . .Ot..l , L.O.CA l l.ori ATID. . L. - .L lVAlluft

.ItlACCESSillt.f .

. l Yes Yes STEAM GErlCRATOR #21 15' I fi 2-6'l-18 Ti *** Yes Yes

,,, 2-63-19 STEAM GEtlERATOR 122 75' i 1 Yes . Yes 2-63-20 STfAM CEilERATOR #22 75' I Yes Yes 2-63-21 STEAM C0tl[RATOR 122 75' I Yes Yes J, '2-63-22 STEAM Gell [RATOR #22 75' ,

2 I Yes Yes <

u 2-63-23 STEAM GEilERATOR #22 75' I Yes Yes 2-63-24 STEAM GErlERATOR #22 75' I Yes Yes 2-63-25 STEAM GEtlERATOR #22 75' ,

I Yes Yes 2-63-26 STEAM GCtl[RATOR #22 75' 2-64-1 PRESSUllIZER REL PIPING ljPSTREAM MOV I Yes flo 403 81*6" 2-64-2 PRESSURIZER REL PIPING TO RV 200 yes no I

79'11" ,

2-64-3 PRESSilRilER REL PIPING DOWilSTREAM '

No I Yes MOV 405 84'3" S 9  ; 9

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1 A. _B_L_E___3._. 7.. 4.. ,-

5 SAFETY RELATED HYDRAULIC SNUBEEPS*

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El SNUBBER SYSTEM SNUBBER INSTALLED ACCESSIBLE OR HIGH RADIATION ESPECIALLY DIFFICULT T NO. ON, LOCATION AND ELEVATION INACCESSIBLE ZONE ** TO REMOVE E (AorIT~~ ~~(Yes or No)~ (Ies or No) m 2-838-2 MSIV #21 HYDRAULIC SUPPLY 27' A No No 2-83B-3 MSIV #21 HYDRAULIC RETURN 27' A No No i

l

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  • Snubbers may be added to safety related systems without prior License Amendment to Table 3.7-4 1 provided that a revision to Table 3.7-4 is included with the next License Amendment request.

i M

    • Modifications to this table due to changes in high radiation areas shall be submitted to the NRC as part of the next License Amendment request.

j ""*Cnubbers served by s connon hydraulic reservoir are indicated by a bracket . All reservoirs serving more than one snubber shn]l he insnected to ensure adequate hydraulic level:

a. Within 7 days after teactor startup rollowine a mn.jor outare or rollowing any maintenance in the immediate vicinity of these snubbers, reservoirs or associated hydraulic nining; and
b. Every 31 days + 05 nercent.

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