B3_Solicitation_Amd3_051200.pdf

Anapra Primary Fence, El Paso Sector W9126G-15-B-0028

Pins and rollers

AISC Quality Certification

Welding procedures and qualifications

1.3 AISC QUALITY CERTIFICATION

Not Applicable. Work must be fabricated in an AISC Certified Fabrication Plant, Category Std. Submit AISC fabrication plant quality certification.

(Amd3)

1.4 SEISMIC PROVISIONS

The structural steel system must be provided in accordance with AISC 341, Chapter J as amended by UFC 3-310-04.

1.5 QUALITY ASSURANCE

1.5.1 Preconstruction Submittals

1.5.2 Fabrication Drawing Requirements

Submit fabrication drawings for approval prior to fabrication. Contractor to show on drawings the layout of the fence panels and where custom panels are required for at gate, start/stop and point of intersection locations, and use of GFM. Prepare in accordance with AISC 326 and AISC 325.

Fabrication drawings must not be reproductions of contract drawings.

Include complete information for the fabrication and erection of the structure's components, including the location, type, and size of bolts, welds, member sizes and lengths, connection details, blocks, copes, and cuts. Use AWS A2.4 standard welding symbols. Shoring and temporary bracing must be designed and sealed by a registered professional engineer and submitted for record purposes, with calculations, as part of the drawings.

Any deviations from the details shown on the contract drawings must be clearly highlighted on the fabrication drawings. Explain the reasons for any deviations from the contract drawings.

1.5.3 Certifications

1.5.3.1 Welding Procedures and Qualifications

Prior to welding, submit certification for each welder stating the type of welding and positions qualified for, the code and procedure qualified under, date qualified, and the firm and individual certifying the qualification tests. If the qualification date of the welding operator is more than one-year old, the welding operator's qualification certificate must be accompanied by a current certificate by the welder attesting to the fact that he has been engaged in welding since the date of certification, with no break in welding service greater than 6 months.

Conform to all requirements specified in AWS D1.1/D1.1M and AWS D1.8/D1.8M.

PART 2 PRODUCTS

2.1 SYSTEM DESCRIPTION

Provide the structural steel system, including shop primer or galvanizing, SECTION 05 12 00 Page 3