36C24719Q0489-0002001.docx

Ref: Install Nine Fan Coil Units Sol. No.36C24719Q0489

We have reviewed the referenced Solicitation for the installation of nine fan coil units and request answers to the following RFIs:

1. Will a site visit be scheduled so that prospective bidders can review the present installation? If there is no site visit can the VA provide photos of existing units?

2. Are there any As-built drawings of the existing installation? YES

3. Are the Fan Coil Units:

a. Heating and Cooling? Two pipe or four pipe system?

b. Cabinet enclosed type or concealed with no cabinet?

c. Ducted with supply and return air connection to grilles/registers that will have to be removed and refitted?

4. The following information is required for sizing the units:

a. CFM OF each unit?

b. Ent/Lvg air temperature? Hallway temp with glass wall so cool in winter and HOT in the Summer sun.

c. Ent/Lvg chill water and hot water temperature? Chill water 45. Hot water 120

d. Voltage and phase of motor and hp? Is motor single or multi speed and is a speed control switch required? Single Speed

e. Cooling and heating total BTUs?

f. Are units right hand or left-hand piping configuration?

5. What is the type and thickness of insulation to be replaced? Piping and duct?

6. Will existing non control valves and piping accessories need to be replaced, strainers, unions, shut off valves, etc.? YES

7. The Solicitation states work to be performed after normal work hours. What time after normal hours will the contractor be allowed to work? Can the contractor work ten or twelve hour shifts?

Can installation be accomplished on weekend and or holidays? YES AS PER SOW All WORK WILL BE DONE AFTER NORMAL HOURS.

Will the Bldg 100/106 Corridor be closed to non contruction personnel while work is being accomplished in the corridor?

8. The Solicitation states that the work is to be performed in an approx. 3-week time frame. Depending on the type of FCU and the procurement of control valves, the installation period maybe approx. 60 days. Can the time period be adjusted for normal delivery or should we plan on cost of expedited deliveries and installation?

9. Is there an electrical disconnect mounted on or in the unit.

10. Are the replacement control valves 3 way or 2 way modulating valves?

11. What is the requirement for removing the pneumatic tubing once the existing control valve is removed? Can the existing tubing be abandoned in place or does it have to be removed from the ceiling cavity back to a main air line? REMOVED

12. The following Solicitation paragraph states: “3. Authorized Dealer/Distributor rights to sell, design, install and service Siemens Building Technologies System APOGEE and Desigo CC building automation systems, Offeror must provide information to document their business is an authorized dealer/distributor of the items to be installed being quoted.” Since the Columbia VA Medical Center controls are proprietary to Siemans Building Technologies and installed and maintained by CMI, we would request that this paragraph be modified to state: THE CONTROL CONTRACTOR SHALL BE CMI OR A SIEMANS USA FACTORY AUTHORIZED REPRESENTATIVE / DEALER / DISTRIBUTOR. As a General Contractor we can only provide documentation from CMI that they as our subcontractor are authorized Dealer/Distributor of Siemens Control Sytems.

The solicitation to include other than price related factors shall remain as listed.