B09_Amd_02_Bidder_Q_A_Corrections_0002.pdf

AMENDMENT-2

140P6223Q0018 – JEFF – HVAC Requirement

SOW & Site Visit Questions & GOV Responses

We made site visit, but would like to clarify the following:

1. That the acceptable product NPS would like for the pipe cradle isolation padding between pipe and support brackets shown in SOW are:

Cooper/B-Line- Fig. B3380 thru B3384 Pipe Shield- A1000, A2000 Erico- Model 124, 127.

1. GOV Response: No, PIPE HANGERS AND SUPPORTS

A. All pipe hangers, clamps, and supports shall conform to Manufacturers Standardization Society MSS-SP-69.

B. Oversize all hangers, clamps, and supports on insulated piping to allow insulation and jacket to pass through unbroken. This applies to both hot and cold pipes.

C. Ferrous hot piping 2-1/2 inches and larger shall have steel saddles tack welded to the pipe at each support at a depth not less than the specified insulation. Factory fabricated inserts may be used.

Acceptable Products:

Anvil- Fig. 160,161,162,163,164,165 Cooper/B-Line - Fig. 3160, 3161, 3162, 3163, 3164, 3165 Erlco - Model 630, 631, 632, 633, 634, 635 Nibco/Tolco - Fig. 260-1, 261-1 1/2, 262-2, 263-2 1/2, 264-3, 265-4

2. That there are 6 sets of double springs-12 total (orange inner/blue outer) that will be provided by NPS for replacement of only the rear ones on 3 pump pads not 4 as indicated in SOW 4.0, Item d. And that the 2 sets of white/grey springs were spares and not to be installed.

2. GOV Response: No, there are 8 sets of double springs (inner & outer) that will be provided by NPS for replacement of only the rear ones on 4 pump pads as indicated in SOW 4.0, Item d. Also, the Contractor will have to provide new cups for the springs, if required.

3. There are only 3 of the pipe cradle isolation padding between pipe and support brackets to be addressed, not four?

3. GOV Response: No, there are 4 of the pipe cradle isolation padding between pipe and support brackets to be addressed.