Answers to RFIs 0002

George Washington Memorial Parkway (GWMP)
The Robert E. Lee Memorial (ARHO)
RFP 140P1326Q0033 Arlington House Bunker HVAC
Amendment 0002 – RFIs and RFI Answers
Issued:9/25/2026
All RFIs received following the instructions in the solicitation by the due date and time specified are in this document along with answers provided by the Government. Refer to SOW 1.0; 1.21.0; 1.2; 1.2.1-1.2.7 – Overall Equipment Scope / Site Visit Clarification. During the site visit, the Contractor was shown multiple components throughout the HVAC system; however, the equipment discussed in the field did not fully align with the equipment and tasks identified in the PWS. Please identify the specific pieces of HVAC equipment and components that are to be repaired, replaced, tested, or commissioned under the base scope. If available, please provide a marked-up equipment schedule, drawings, photographs, or equipment list identifying each item. Please confirm that equipment not specifically identified by the Government is excluded from the base bid unless subsequently authorized by the Contracting Officer. The complete system that all contractors looked at while doing site visit. Refer to SOW 1.2.1; 1.2.2 – Pump VFD Replacements. Please confirm that Pumps 1 and 2, which currently appear to have existing HOA/motor control devices, are to have those existing controls removed and replaced with new VFDs. Please also identify the applicable pump motors and provide or confirm motor horsepower, voltage, FLA, and any required VFD control/interface requirements. Replace any failed pumps and need vailed VFD.
Refer to SOW 1.2.2; 1.2.4 – Circulating Pump Replacement. The PWS references replacement of the circulating pump in the singular. Please identify the specific circulating pump to be replaced and confirm whether this is one of the Pumps 1 or 2 referenced above or a separate pump. Please provide available pump data including manufacturer/model, design flow, head, motor horsepower/voltage, and whether the existing base, piping connections, and electrical feed are intended to be reused. All non-working circulating pumps replaced.
Refer to SOW 1.2.2; 1.2.2 Performance-Based Tasks – Chilled Water / Heating Water Piping and Valve Repairs. Please clarify the extent of chilled water and heating water piping and valve repairs required. The PWS specifically references chilled water piping, insulation, and valves; please confirm whether heating water piping/valves are also included. Please identify the specific piping, valves, insulation, locations, sizes, quantities, and anticipated repairs or replacements to be included in the base scope.