RFI AND RESPONSES CSS 10967 20-Q-5301 8-3-2020.pdf

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CSS 10967 Install Generator & ATS - Johnstown, PA
Solicitation number
W15QKN-20-Q-5301
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File Type Posted
W15QKN-20-Q-5301 (CONFORMED) SOLICITATION.pdf PDF
Attachment 0005- CSS 10967 - Drawing partial floor plan east - Generator.pdf PDF
W15QKN-20-Q-5301 AMENDMENT 0002.pdf PDF
Attachment 0010 - CSS 10967 - 292 demand 2017 2018.pdf PDF
Attachment 0009 - CSS 10967 - Diesel spec sheet 2.pdf PDF
Attachment 0008 - CSS 10967 - Gen cut sheet.pdf PDF
Attachment 0007 - CSS 10967 - Generator riser.pdf PDF
Attachment 0011 - CSS 10967 - 292 first floor plan.pdf PDF
ATTACHMENT 0002 SOW 10967 JOHNSTOWN PA 7-15-2020.pdf PDF
Attachment 0004 - CSS 10967 - Drawing partial floor plan west - Generator.pdf PDF
Attachment 0003 - Davis Bacon Wage Deteremination.pdf PDF
Attachment 0001 Contractor Cost Breakdown Form.xls XLS spreadsheet
Attachment 0006 - CSS 10967 - Floor Plan - Generator.pdf PDF
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RFI AND RESPONSES

SOLICITATION W15QKN‐20‐Q‐5301

CSS#10967

1. Can you confirm the output breaker size of 500Amp (for the generator) in section 11.2. (General Requirements) has been determined to be sufficient for the 100% load of the building.

RESPONSE: Size of output breaker on generator shall be determined by generator manufacturer to properly protect generator at rated KVA. Contractor should review Utility demand history with generator manufacturer for proper sizing (KVA) of generator and circuit breaker. 300 KVA recommendation was based on one generator in order.

2. Can you confirm that the conduit and conductors (noted for reuse) on one line attachment (Attachment+0007+‐+CSS+10967+‐+Generator+riser) from the 1600A main distribution board to the 1600A ‐3p Disc SW, Nema 3R Enclosure 480v generator are installed as noted on the one line with (5) sets of 4” with (4) 500 KMCIL & (1) #4/0.

RESPONSE: Site Visits were available for contractors to confirm existing conditions as well as test cables for re‐uses. Personnel on site are not equipped or permitted to open electrical cabinets.

3. Specification Sections 11.10.0 & 11.10.10 are calling for the ATS to be “custom built” and to modify existing main distribution section (MDS) #1 in the main electric room. Would existing shop drawings be available addressing existing switchgear details, including dimensions and specifics on the existing lineup also addressing existing manufacturer?

RESPONSE: Site visits were available for contractors to look at existing conditions. Shop drawings are not available. Gear manufacturer was GE, and serial numbers were on the unit.

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