ML20126D909

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Rev 4 to Special Process Procedure W-SP-4, Welding Procedure-Manual Shielded Metal-Arc(SMAW)
ML20126D909
Person / Time
Site: 05000000, Waterford
Issue date: 06/01/1979
From:
J.A. JONES CONSTRUCTION CO.
To:
Shared Package
ML20125A430 List: ... further results
References
FOIA-84-426, FOIA-84-449, FOIA-84-A-55, FOIA-84-A-65 W-SP-4, NUDOCS 8506150240
Download: ML20126D909 (8)
v • d • e


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WELDING PROCEDURE - MANUAL, QEDJFeTALrABC (SM/

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J. A. JONES CONSTRUCTION COMPANY PAGE 1 0F 7 PROCEDURE NO.

SPECIAL PROCESS PROCEDURE y,3p,g WELDING PROCEDURE -

REV. NO. 4 T ITLE:

MANUA'L SHIELDED METAL-ARC (SMAW)

& DATF 6-01-79 PROJECT TITLE:

WATERFORD SES UNIT NO. 3 CONTRACT NO. W3-NY-4 I

PURPOSE The purpose of this welding procedure specification is to define and document detailed requirements associated with Shielded Metal Arc welding of prequalified joints as permitted by AWS D1.1-72, latest revision, Structural Welding Code.

SCOPE This procedure specification shall govern Manual Shielded Metal Arc welding Carbon Steel plate and shapes for structural applications.

I CODES & STANDARDS American Welding Society AWS D1.1-72, Structural Welding Code WELDING QUALIFICATIONS Welder performance qualifications shall be conducted in accordance with Section 5 of AWS Structural Welding Code, D1.1-72.

GENERAL All welding per this procedure shall be performed,to meet the require-I

' R-l ment of the approved design drawings.

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3 J.

A.' JONES CONSTRUCTION COMPANY PAGE 2 0F 7 PROCED'JP.E NO.

SPECIAL PROCESS PROCEDURE y,gp,3 WELDING PROCEDURE -

REV. NO.

4 TITLE:

MANUAL SHIELDED METAL-ARC (SMAW)

& OATE 6-01-79 PROJECT TITLE:

WATERFORD SES UNIT NO. 3 CONTRACT NO. W3-NY-4 R-4 MATERIAL SPECIFICATION

ASTM A-36 and ASTM-441.and similar carbon steels with carbon content not exceeding 0.30%

WELDING PROCESS

Manual 3hielded Metal-Arc (SMAW)

POSITION OF WELDING Flat, Horizontal, Vertical and Overhead FILLER METAL SPECIFICATION

AWS A-5.1.

FILLER METAL CLASSlFICATION E-7010.

WELDING CURRENT Direct current.

POLARITY Reverse polarity base metal on negative side.

JOINT DETAIL Shall be as specified on the drawings and in accordance with the applicable attached figures.

EDGE PREPARATION Flame cut and/or grind, shear, saw or machine.

JOINT ASSEMBLY Tack weld.

Feather tacks by grinding and visually examine for cracks.

If cracks have occurred, re-move tacks progressively before incorporating them in the root pass.

SINGLE OR MULTIPLE PASS Groove welds, multiple pass.

Other welds, single or multiple as required to complete joint.

ROOT TREATMENT Complete joint penetration groove welds made n

without the use of steel backing shall have the l,

root gouged or ground to sound metal before weld-Ing is started on the second side.

Except for root and cover passes, multiple pass PEENING welds may be peened to' relieve stress and to help !

, maintain dimensional tolerance.

MINIMUM PREHEAT AHD R-2 INTERPASS TEMPERATURE Base thickness:

Temperature of:

to i k'.', _l n c l... _ _ _ __ _,,_100 F. i f. the surroundingt 0

air temocrature falls '

below 500F 0

lt' to 2' 250 F 0

over T' 400 F

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J. A. JONES CONSTRUCTION COMPANY PAGE 3 0F 7 PROCEDURE NO.

SPECIAL PROCESS PROCEDURE y,$p,g t

WELDING PROCEDURE -

REV. NO.

4-i TITLE' MANUAL SHIELDED METAL-ARC (SMAW)

& DATE 6-01-79 i

i PROJECT TITLE:

WATERFORD SES UNIT NO. 3 CONTRACT NO. W3-NY-4 CLEANING Surfaces to be welded and the weld area fer a J

distance of i Inch minimum shall be thoroughly cleaned of oxides, mill scale, cutting slag, paints, oil, greases, and other foreign contaml-1 nants prior to welding.

Slag shall be completely removed from each weld 1

pass and shall be wire brushed prior to deposit-t Ing additional passes.

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WELD REPAIR Defects detected during or upon completion of welds shall be removed by arc air gouging and/or i

grinding to sound weld metal.

Prior to rewelding, l

defect areas shall be thoroughly' cleaned to remove i

all foreign matter.

Repair welds shall be made I

by quallfled welders and shall be welded in accord-ance with the welding procedure governing the orl-l ginal weld.

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J. A. JONES CONSTRUCTION COMPAllY PAGE 4 0F 7

' PROCEDURE HO, SPECIAL PROCESS PROCEDURE y,$p,4 WELDING PROCEDURE -

REV, fl0. 34 TITLE-MANUAL SHIELDED METAL-ARC (SMAW) t, DATE 6-01-7,9 PROJECT TITLE:

WATERFORD SES UNIT NO. 3 CONTRACT NO. W3-NY-4 1

PR0 CESS VALUES Welding Process SMAW SMAW SMAW Electrode 'ype E-7018 E-7018 E-7018 T

Electrode Diameter 3/32" 1/8" S/32" Amperage Range 75-110 115-145 120-210 i

Voltage Range -

20-22 20-23 21-24 Electrical Characteristics DCRP DCRP DCRP

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NOTE:

This procedure may vary due to fabrication sequence.

Fit-up, pass l

l size, etc, within the " Limitation of Variables" given in the AWS DI.1, Structural Welding Code.

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3 J. A. J0tlES CONSTRUCTION COMPAtlY PAGE 5 0F 7 PROCEDUP.E il0.

SPECIAL PROCESS PROCEDURE y,gp,g WELDING PROCEDURE -

REV tt0. 4 T ine -

HANUAL SHIELDED METAL-ARC (SMAW)

& OATE 6-01-79 PROJECT TITLE:

WATERFORD SES UNIT No. 3 N RACT NO. W3-NY-4 R-3

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