Site_Visit_Minutes-Questions-Clarifications.pdf

Retro-Commissioning Repairs – HVAC & Related Systems Solicitation Number: AG-32SC-S-17-0050 Agency: Department of Agriculture Office: Agricultural Research Service Location: National Soil Erosion Research Lab (NSERL) 175 University St.

West Lafayette, IN

SITE VISIT MINUTES

Thursday, August 10th 2017 @ 1pm CDT

1. The following drawing sheets have been posted to the FBO.gov website. Additional facility electrical and mechanical drawing sheets will be posted when available. Monitor the FBO.gov website.

Sheet 0 of 16 Title Sheet Sheet 1 of 16 Symbols & Details Sheet 2 of 16 Trunk (Communication) Sheet 3 of 16 AHU-1 System Layout Sheet 4 of 16 CP-1 (AHU-1) Panel Wiring Sheet 5 of 16 AHU-1 Sequence, Parts & Points List Sheet 6 of 16 Power Panels for CAV/VAV Controllers Sheet 7 of 16 Primary Hot Water System Sheet 8 of 16 Steam Heat Exchanger & Reheat Water System Sheet 9 of 16 Chilled Water System Sheet 10 of 16 HW & CHW Panel wiring Sheet 11 of 16 CAV Box with Reheat Sheet 12 of 16 VAV Box Control Sheet 13 of 16 Misc. AHU Valve & Damper Actuator Wiring Sheet 14 of 16 Valve Schedule Sheet 15 of 16 Radiation Panel Zones Sheet 16 of 16 VFD Wiring Detail

Sheet 0 of 7 Title Sheet Sheet 1 of 7 Symbols & Details Sheet 2 of 7 Trunk Layout Sheet 3 of 7 AHU-3 System Layout Sheet 4 of 7 AHU-4 System Layout Sheet 5 of 7 Sequence, BOM & CP-3 & 4 Layout Sheet 6 of 7 CP-3 & 4 Wiring Sheet 7 of 7 Cooler & Freezer Monitoring

Sheet 0 of 12 Title Sheet Sheet 1of 12 Hot Water System – Demo Sheet 2 of 12 Steam Heat Exchanger & Reheat Water – Demo Sheet 3 of 12 Chilled Water System – Demo

Retro-Commissioning Repairs – HVAC & Related Systems Solicitation Number: AG-32SC-S-17-0050 Agency: Department of Agriculture Office: Agricultural Research Service Location: National Soil Erosion Research Lab (NSERL) 175 University St.

West Lafayette, IN

Sheet 4 of 12 HW & CHW Panel Wiring – Demo Sheet 5 of 12 CHW System Sheet 6 of 12 HW System Sheet 7 of 12 DIX Module Wiring Sheet 8 of 12 ND-1/1 Controller Wiring Sheet 9 of 12 ND-1/2 Controller Wiring Sheet 10 of 12 Chiller Interlocks/SOC/BOM Sheet 11 of 12 Boiler Interlocks Sheet 12 of 12 PRE-1

2. Regarding SOW BB.1, Question: Do the radiant heat panels have automatic control valves?

Answer: Ref control drawing sheets posted to FBO.gov website

3. Regarding SOW BB.3, add “contractor shall also verify and replace actuators, if necessary”.

4. Regarding SOW BB.8, the government understands this work includes (but is not limited to) installing hardware (i.e. points) and installing wiring from the new point to the control panel.

5. Regarding SOW BB.9, VAV airflow probes may be cleaned via compressed air.

6. Regarding SOW BB.9, balance does not need to be certified.

7. Regarding SOW BB.13, controls to silence the alarms is not required.

8. Regarding SOW BB.14, providing tempered water is not included in the scope of this project.

9. Regarding SOW BB.14, removal of the existing ball valve(s) and installation of flow switch(es) is permitted to facilitate installation of the alarm point(s).

10. Regarding ABO-1.2, the fan bearings are only associated with AHU-1.

11. Regarding, ABO-1.3, there is only one (1) air flow measuring station that requires calibration. It is associated with AHU-1.

12. Regarding ABO-2.1, the government understands eliminating the supply/exhaust duct cross connection entails installing a new, separate ducted exhaust (system) to the roof. Use of existing, abandoned roof curbs/platforms is preferred.

13. Regarding ABO-5.1, delete “and associated condensing unit on roof”.

END