Questions_ _Answers_RFP_FA3047-15-R-0072.pdf

502 CONS/JBKADA Team CONTRACT: FA3047-15-R0072

MPLS 17-A021 REPLACE OUTSIDE AIR SYSTEM

Bldg 2484

QUESTIONS & ANSWERS

(A/O 18 SEPT 15)

Question 1: Who’s the Fire Protection Controls Representative/ Company at this time for the building?

Government Response: The Fire Protection Representative is 502 CES. The Fire Protection control system in place on this building is Pyrotronics®.

Question 2: “The total outside air listed for AHU-B, 1&2 in the air handler schedule provided in appendix B is 12,018 cfm. The scope of work says a 5,000cfm DOA unit should be provided.

Please confirm that a 5,000cfm DOA unit will meet the ventilation requirements of the building.”

Government Response: Refer to the revised SOW date 09/18/2015, Paragraph 3.3.8.2:

The contractor shall provide and install a new, approximately 25 Ton, 5000 CFM, highly efficiency variable air volume (VAV) DOAS unit…

Refer to the revised SOW date 09/18/2015, Paragraph 3.3.2. The contractor is responsible for the design analysis and specifications.

Question 3: SOW 3.3.1 indicates a chilled water pump shall be demolished and replaced. The existing air handler has a DX coil and hot water reheat coil, chilled water is not fed to the unit.

Confirm the pump replacement is included in the scope of work. Confirm the flow and head pressure for the replacement pump will match the existing?

Government Response: Refer to the revised SOW date 09/18/2015

Question 4: SOW 3.3.7.3.3 indicates “contractor shall demolish ductwork exterior insulation from all mechanical rooms.” was the intent to have all supply, return and OA ductwork for every mechanical room in the building to be remove and replaced?

Government Response: Refer to the revised SOW date 09/18/2015, Paragraph 3.3.7.3.3.

Question 5: SOW 3.3.1 notes to clean and sterilized ductwork. Confirm the only ductwork that needs to be clean is the OA ductwork for each AHU ?

Government Response: Refer to the revised SOW date 09/18/2015, paragraph 3.38.3 All existing OA ductwork that remains in place within mechanical room 032….

502 CONS/JBKADA Team CONTRACT: FA3047-15-R0072

MPLS 17-A021 REPLACE OUTSIDE AIR SYSTEM

Bldg 2484

Question 6: SOW 3.3.8.2 indicates DOA unit will be 500cfm. SOW3.31 indicates “The existing facility….shall received conditioned outside air consistent with the present HVAC system capacity” Confirm the 500cfm DOA unit will meet the design criteria in section 5.4 otherwise please provide a space by space breakdown with area and total personnel so the requirement for ASHRAE62.1 and UFC can be met.

Government Response: Refer to the answer in question 3.