7/24/2019 132KV - GIS VT Segregation

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Ref No.: 8521/CSPD/ACC Date: 28/12/2015

NATIONAL GRID, SACENTRAL OPERATING AREA

P.O. BOX. 57, RIYADH

Kind Attn. : Engr. Ahmed Al affin Di!i"ion #anager$S%&"tation 'ro(e)t"*Central Region+

National ,rid+ SA

Pro(e)t : Con"tr%)tion of 1-2/1-.8 S%&"tation 8521 in Sha ra ni!er"it3

S%&(e)t : Modification at 132KV GIS Scheme VT Segregation for Core 1 & Core 2supervision Snag !"

Dear Sir+

4ith referen)e to the a&o!e$mentioned hi)h i" e!al%ated a" "nag of 6A7 )ategor3+e need to highlight the follo ing:

1 9hi" i" not mentioned in either P9S or Prote)tion re %irement".

2 ACC got a''ro!ed P D+ ;a"e De"ign < Detailed De"ign for the e=i"ting ")heme.

- 9he e=i"ting 9 "tat%" >Core 1 < Core 2 "%'er!i"ion i" )ommon i" not affe)tingthe energi?ing.

@ 9hi" i" a )om'le= modifi)ation ill affe)t the a''ro!ed ")heme hi)h ha" a timeim'a)t ill lead )on"e %entl3 to ma(or time dela3 affe)ting the energi?ing date.

ACC i" loo ing for N, "%''ort a" ACC ill ne!er "%))e""f%ll3 )om'lete it" (o& itho%tN, "%''ort.

A" 'er the a&o!e highlighted 'oint"+ 'lea"e "%''ort %" to )lo"e "%)h "nag.

#$S

Atta)hed Snag de")ri'tion a" 'er P 15

4ith ;e"t Regard"+

Engr. A&d%l #a(id Ati3ahPo er Chief #anager