TtMI CE "E VALLEY ALITHORMT CK4ATTAN00GA, TENNESSEE 37401

40 Chetnut Street ?emr n

Deemer 22, 1962

1101 NKI~tt Streets, fte~t 3100 At A Georgia 30303

Beer Wn. 095*Mly:

A2= 20 NUMM3 PUNY 13 111 AND -1 - LACK CF aGl'VCO - I - 0 VIAIU - U-50-39/824P;, UM-W-39l/82-6O - FIML IWWE

On Desu 151, 19111 mc 3.6im 11 luopestm It. kotaew as OVMt eptaMble fioiafhy InwavUlSn TWA review andbmng1 of 8 ieeu

Notle.1ms (Mv). Ldwtel reports am this dfioiauey (Awdit mom prwedw a Jinry 19 me Kwob 31, 1962. On Ihp 19, 1962U

NeUn1 Inspector R. 1. Cr1-jak me notified that immo (3M) M ID 8217 would be 10CIMMg with AMUd 161-13. Afother

Mferig them combine dficienies was provideda Amst 5, 1'

OnAugut 16, t962 mC fton1 Insipector IF. Long wa notified tUN MMCM WI 6m7iuld be heled seversteLY fro Audit M81-13. Buter rePortsaeit"~ for N0CO 8 217 were aduttee on September 1 Noemer 12,, 1962. Endaed" Is owr fimil report

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WALLETAM

L. NI. Nills, IbmwWe Nuclear Licensing

call W. Richard C. Devoung, Director (bulasur) Of~wof Inmeaion me &00011ma U.S Nalsr lvitory Comssion

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An, fqmsi$ Oppnetimnsty Employo

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LIIn$,vr, M bolma, q , Fa ad ron@,, Georia mastified TWA by ?atate'o the completimn of their desig werifloatimi effort for TA

PwIRt e~mbdet plates haviw"C.. pipe support loads. The letter lnetiflae seveal suports fbr the Rmeator Coolant Systent and Coimponet coolant Spate piping at slugta r (M) WwLcb Sneed" the allimbls loads provided to USby TVA. As TVA bad already appeowis the 3M Q~siP me had immu than to its oonrmimfrma ofr

- repor* t (90) wa requires to adiy hs dficiency. ve, an CRM was nt. mrittn sult" after Whad supplied TWA, In 1961, with the

aetaMi Suport rvOisions. ThiB -e de to a thilwe by TVA dminie personnl to either undrstan or comply with the directions: of TWA's Division of bgizmering Design (3W W) Knginmerizag Procede UP) 1.269, UhM co-foamn lepotin and Bandiug by IX M" which u=s in effect at that tift.

The second aspect of this NCR, the isasuance of deficient drawing to the field, wans caused by the approval of vendwdor eumi ng 3y53M personnel before the receipt of thu vendor's analysis pauIog.

Safety Iinlications

Oerloading of efiedmnt plates usON In the Imoator Coolant, and Component, Coolant System piping support scheme could al11 these plates to f&U and cause a subsequent fhiluwe of the syuteu piping. This could adversely affect the mnor operation. of the plant.

Corrective Action

TWA has Gouqleteg thu design changes for moification of the support in question and has quamllfiei all. of the previously overloaded eahedmusts unde bg jerin Qzan Notice (105) 2958. This 105 bas been, Issued to the constrution site and the modifications completes for unit 1. Sebedulee completion. for unit 2 work is October 30, 104.

On Septeer 10,, 1962,, a nesting wa holdanoung the MS Piping Analysis Support Group personel and the reure- t of EP 1.26, particularly the criteria for timely identification and filing of nonconfarmances, was pounted out. In additionl, civil design personnel, in general, awe periodifally being instructed in the requirements of this Sf to~ ensure that this problem will not recur.

Concernig the issuance of arawings before receipt of the venor's analysis package, TVA Is aormitted to the requirements of EP 3.03, Revision 5, DesignF Calculations sand per the requirements of this EP will not issue

V00dor dauwings to construction forces before receipt of vendr analysis,

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