Questions 3 4.doc

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Air Traffic Control Facility
Solicitation number
W91242-08-B-0001
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Two questions on metal building system

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Questions 3 & 4 Project: Construct Air Traffic Control Facility

Solicitation: W91242-08-B-0001

Project # WEFM069122

Storage Building - Metal Building Systems Specifications - Roof Panels:

1. Metal Building Systems Spec Section 13-3419 1.10B refers standing seam roof with a 20 year weather tightness warranty 2. Metal Building Systems Spec Section 13-3419 2.8A refers to screw down metal roof panel with exposed fasteners.

Please clarify which is to be used. You cannot get a 20 year weather tightness warranty with a screw down roof.

Storage Building - Metal Building Systems Specifications - Bracing:

1. Metal Building Systems Spec Section 13-3419 2.7E1 Bracing - Can rods or cable bracing be used for the sidewall? Are we required to use portal frames? The building layout will permit the use of rods or cable bracing and will be cheaper to supply as compared to portal frames.

To respond to the questions:

1. In specifications 133419, para. 2.7.E.1, the use of rigid portal frames, or rod or cable bracing, is permissible.

2. In specifications 133419, para. 2.8.A, delete reference to screw down metal panels using exposed fasteners. Provide a standing seam metal roof.

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