ML17258A456

From kanterella
Jump to navigation Jump to search
Installation Procedure Circulating Water Piping.
ML17258A456
Person / Time
Site: Ginna Constellation icon.png
Issue date: 01/15/1982
From:
GILBERT/COMMONWEALTH, INC. (FORMERLY GILBERT ASSOCIAT, WESTINGHOUSE ELECTRIC COMPANY, DIV OF CBS CORP.
To:
Shared Package
ML17258A455 List:
References
TASK-02-04.D, TASK-02-04.F, TASK-2-4.D, TASK-2-4.F, TASK-RR 101366, NUDOCS 8201200223
Download: ML17258A456 (4)


Text

XMSTALLATIOMPROCEDURE CIRCULATXMG PATER PIPXMG ROBERT EMKTT GXINM MUCLEAR PQ/ER STATXOM UMIT MOo 1 MESTXMGHOUSE ELECTRIC CORPORATIOM ATOMIC POWER DIVISIOM PITTSBURGH~ PEMMSYLVAMXA GXLBERT ASSOCIATES~ XMC. ~ EMGglEERS 52/ Lancaster Avenue Reading, Pennsylvania 101/66 EBT 8~oi aOopag F D~ gDOCK p 0 OSOOpp~~

PDR

>~ a5 N

)V >At, '

l N'

C 1,

J

V V

63'.Vi JA STATUE'I'1STALLATXOM PROCEDURE CXRCULATXEG MATER PXPXHG The provisions of section 4r AMMA stand zd C-203 shall be folio~red except for the following mod.ifications:

Substitute the following for section 4.2.3 The bottom of all pipe trench s shall be shaped, to the pipe contour ann an 8 inch minimum layer of sand or p=a g avel placed in the bottom of the trench prior to the installation of the pipe up to a point distance "-

f om the bottom of the pipe of one tenth the pipe diameter. The p'ipe shall be laid without blocks in full contact ~rith the bedding material to provide uniform bedding for the entire length ox the pip .

Substitute the following for sections 4.5.2, 4.5.3 and 4.5.4 Backfill about the pipe to a minimum depth of 6 inches above the pipe shall consist of only selected, fine soil or sand placed. and, compacted in successive uniform layex s not exceeding six inches, loose measux e.

All bac!<fi3.1 around and above pipes shall be compacted to at least 95 per cent of maximum density at optimum moisture content. as determined, in accordance with the Yiodified AASHO Procedure.

'1 Compaction of backfill shall be accomplished. by means of tamping or vibrating. Flooding, puddling, jetting or rodding shall not be permitted.

Except, as noted hereinbefore backfi3.1 shall conform in all respects m the "Technical Specification for Rough Grading and. Excavation for the Bxookwood Plant Unit Zo. 1".

Eote:

Adequate bracing and bridging of t2>e pipe shall be provided, duxing installation and. subsequent construction if temporary loads exceed. those delineated in Section 2:02 Design Data of the "Technical Specification for Circulating Mater Piping for the Brookwood Plant - Unit Ho. 1".

101366 EST

h IC >

,0