Structural Steel Welding Part2.pdf
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- Solicitation number
- 6973GH-25-R-00074
About this file
This file is a Schedule of Special Inspections detailing welding inspection requirements in compliance with 2021 IBC 1705.2.1 and AISC 360-22 standards. The document outlines specific inspection tasks for steel welding, categorizing them into three types: PERFORM (tasks required for each weld/connection), OBSERVE (random daily sampling), and DOCUMENT (formal reporting requirements).
The schedule details 19 specific inspection points, focusing on welding techniques and post-welding inspections. Key requirements include verification of interpass temperature maintenance, proper positioning, filler metal compatibility, and cleaning procedures. Critical inspection criteria for completed welds include size, length, location verification, and visual acceptance criteria covering crack prohibition, weld/base-metal fusion, crater cross sections, weld profiles, undercut, and porosity. The document emphasizes that all welds must conform to construction drawing requirements and prohibits unauthorized welds without engineer of record approval.
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SCHEDULE OF SPECIAL INSPECTIONS
Interpass temperature maintained (min./max.)
Proper position (F, V, H, OH) Intermix of filler metals avoided
13. Welding techniques OBSERVE Interpass and final cleaning Each pass within profile limitations Each pass meets quality requirements
STEEL INSPECTION AFTER WELDING – VERIFY THE FOLLOWING ARE IN COMPLIANCE WITH
2021 IBC 1705.2.1, AISC 360-22: Table N5.4-3 and Table C-N5.4-3
TASK INSPECTION TYPE1 DESCRIPTION
14. Welds cleaned OBSERVE
15. Verify size, length, and location of all welds PERFORM Size, length, and location of all welds conform to the requirements of the construction drawings.
16. Verify welds meet visual acceptance criteria
PERFORM AND
DOCUMENT
Crack prohibition Weld/base-metal fusion Crater cross section Weld profiles Weld size Undercut Porosity
17. Repair activities PERFORM AND
DOCUMENT
18. Acceptance or rejection of welded joint or member
PERFORM AND
DOCUMENT
19. No prohibited welds have been added without the approval of the engineer of record
OBSERVE
END SECTION
1 PERFORM: Perform these tasks for each weld, fastener, or bolted connection, and required verification.
OBSERVE: Observe these items on a random sampling basis daily to ensure that applicable requirements are met. Operations need not be delayed pending these inspections at contractor’s risk.
DOCUMENT: Document in a report that the work has been performed as required. This is in addition to all other required reports.
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