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4 15 September 2004Dammam, Saudi Arabia

API 510 PREPARATORY

Points To Recall Day 7

1. Authorization for repairs/alteration of vessels constructed as per:

a. AS ! Sec. "###$ Div. 1: Repairs API inspector

b. Alterations API inspector and P.V. engineer

c. AS ! Sec. "###$ Div. %: Repairs & Alterations API inspector and P.V. engineer

%. #f P'(T is i)practica*le$ )aterials under P +o. 1 ,-r 1$ %$ and P+o. % ,-r 1$ % shall *e repair 0elded as follo0s ,if i)pact testin-is not re uired ., +ote: There is no P +o % in Sec #2. Thisis a )ista3e as per Sec #2

a. Preheat to 44 de-rees 5 for a distance 6 or %t on eitherside of -roove ,t 8 0eld )etal thic3ness

b. 'eldin- process shall *e S A'$ 9 A'$ or 9 A'

c. ontrol interpass te)perature not to e;ceed 1

c. ?se lo0 (ydro-en !lectrodes. arry out (ydro-en *a3eout treat)ent if re uired ,!lectrodes desi-nation @ (6

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14. +or)ally$ te)porary repairs are replaced *y per)anent repairsat ne;t availa*le )aintenance opportunity. But te)porary repairscan re)ain for lon-er period if approved *y P.". en-ineer.

11. +on>penetratin- nozzles ,includin- pipe caps are accepted)ethod of lon- ter) repairs for other than crac3s.

1%. 5ull encircle)ent lap *and is considered as lon- ter) repair forother than crac3s.

1 . Re>ratin- calculations shall *e done *y pressure vessel en-ineer$and ne0 sta)pin- or ne0 na)e plate sho0in- re ratin- ,ne0

A'P$ te)p. shall *e attached to vessel.

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