Questions and Answers 145 AW Building 76 Chiller.docx

Questions and Answers 145 AW Building 76 Chiller

1. There is no 1442 Form as part of the solicitation. Could you please provide that? This has been solicited as a combo and the 1442 will be created for the award.

1. In the solicitation this statement was made: (same amount of pumps and VFD controllers (2, each with a VFD), reconnect all electrical and DDC circuits) Are the pumps contained within the chiller or the pumps remote? Are the Pumps and VFDs to be replaced or existing to be reused?

There are (2) 5 hp motors with VFDs on the unit – all to be replaced as part on the same unit

1. The SOW does not contain the Model Number and Serial Number of the existing chiller. Can you please provide that?

See attached dataplate picture attached

1. The SOW does not mention any Chiller Option or Accessories for the chiller. Can you please provide this information?

There was information included in the SOW under CLIN #1 - ensure compatibility with the existing BACNet Alerton DDC system. Contractor is required to provide means for lifting/removing old/new unit (boom truck, crane, etc.) New chiller controller shall be wired and connected to existing Hoffman/Alerton VLC controller (VLC-1188) providing full DDC control. The DDC desktop graphics shall be updated to show the functionally of the new chiller. If Carrier unit is provided, a government furnished Carrier Integrated BACnet communication card will be supplied (i-Vue UPC Open part number # OPN-UPC).

We also did a J&A for Alerton/Hoffman