Structural Steelwork - Fabrication Inspection Checklist
Use this inspection checklist for your steelwork structures
Structural Steelwork - Fabrication Inspection Checklist
Use this inspection checklist for your steelwork structures
DESKTOP STUDY
Shop drawings inclusive of all major connection details submitted to & approved by OIC. All members shall be numbered
Welding Procedure Specification (WPS) submitted to and approved by OIC
Checked steel grade and size, Hot rolled or Cold-formed?
Welders with valid certificate approved by OIC
Method of fabrication approved by OIC. Fabricator has the necessary welding facilities and a shelter fabrication yard
MATERIAL VERIFICATION & MILL CERTIFICATE
Correct sizes and dimensions, verified all dimensions, thickness (Flange & Web)
Mill/Test certificates submitted to OIC's approval: Steel ex-mills, ex-stocks, bolts and rivets, Electrodes
Tested welders' competence to undertake special welding procedures when instructed
Material is visually acceptable, no visual defects such as warping, twisting, distortion, damaged sections, pitting
All plates and stiffener plate fit-ups are as per construction drawings
Steel HEAT number punched/transferred
MARKING & CUTTING
Marking, cutting & steel section dimensions (DxBxL) are within tolerance
Steel markings provided
All bolt positions & drilling sizes are as per drawing
BOLT CONNECTION
Reconfirmed bolt grade & type, bolt dimension (dia. x length)
Washer grade & type
Connection joints/splice joints constructed as per drawings
Bolts tightened
All bolts are with minimum 1.5mm of thread beyond nut
Checked defect, e.g. Tilted bolts/holes enlarged by torch cutting. If Yes, submit the report of the remedy action
Checked embedment length and arrangement of holding down bolts
Location plan provided, please attach to this checklist
WELDING CONNECTION
Size and length of weld according to approved plan and specifications
Reconfirmed welding electrode strength complies with specification
Checked weld surface is clean & free from dust, rust & scales
Welding done by qualified welders, verified their identity
Welding procedure as per approved WPS
Checked for any welding defects. E.g. undercuts, pits, surface cracks, lack of fusion. If yes, submit the remedy action report
Location plan provided, please attach
NON-DESTRUCTIVE TEST
Magnetic Particle IndicationTest (MPI) required for fillet weld.
% of weld to be tested:
Ultrasonic Test (UT) required for fillet weld.
% of weld to be tested:
Penetrate Test (PT) required for fillet weld.
% of weld to be tested:
Ultrasonic Test (UT) required for butt weld.
% of weld to be tested:
Radiographic Test (RT) required for butt weld.
% of weld to be tested:
Remedial action taken for welding test failures
PAINTING & GALVANISING
Checked galvanised steel hot dipped to the specified requirements
Checked steel area is thoroughly cleaned, scraped, wire-brushed or sand blasted to specification, free from rust & scale before painting
Galvanised steel / Surface painted to contract's specifications
Name of SS
Checked & Signed
Click here to sign
Date
Reviewed Non-compliance
Date
Name of OIC
Verified & Signed
Click here to sign
Date
Reviewed Non-compliance
Date
Reference: http://www.mod.gov.bn/pwd/Shared%20Documents/PWDSQMChecklists/Checklist1101%20-%20Structural%20Steelwork%20-%20Fabrication.pdf
Source: MaintainX (Community Member)