RFI Questions and Answers W911SG26BA009.pdf
Posted: Aug. 14, 2026
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Summary
This Request for Information (RFI) Questions and Answers document for solicitation W911SG26BA009 addresses the replacement of six rooftop HVAC units—A8, A10, A11, A12, A14, and A15—in Building 1611 at Fort Bliss. It covers equipment requirements, electrical and gas work, controls, fire alarm interfaces, phasing, safety, submittals, contract terms, and coordination with the companion HVAC project.
All work is to occur during normal operating hours, generally 0700–1630, while the building remains occupied. Temporary cooling is required for every RTU taken offline, regardless of outage duration. Contractors must develop demolition and installation sequencing that limits impacts on tenant operations, coordinate merchandise protection with the COR and tenants, document pre-existing damage, and bear the cost of any proposed work-hour deviations. TAB activities and final testing must also occur during normal working hours, and an independent TAB report by a NEBB-certified contractor or approved equal is required.
Major technical clarifications include:
- Replacement units must be high-efficiency, BACnet-capable units compliant with the Buy American Act.
- Units must include factory-installed accessories, manufacturer startup, and the specified warranty coverage.
- Detailed proposed-unit specifications must be included in Tab I.
- New breakers and disconnects are required under the SOW, although wiring in good condition may remain.
- Replacement units must use the same voltage as the existing equipment.
- The contractor must verify panel capacity if the MCA or MOP changes.
- New condensate piping must be Schedule 80 PVC. The SOW will be revised to resolve conflicting copper-piping language.
- Existing LonWorks/Johnson Controls communication wiring must be protected.
- Applicable wiring must be disconnected and labeled.
- LonTalk control boards or unit interfaces must be removed and turned over to the COR.
- The contractor must provide thermostat programming and operator training.
- Building-wide BAS integration is not required.
Existing duct smoke detectors serving units over 2,000 CFM are generally to remain and be tested. A smoke detector must be added to any unit rated at five tons or more that lacks one. Faulty detectors must be reported to the COR.
Additional answers establish the following requirements:
- The contractor is responsible for curb-adapter measurements and other field verifications.
- Existing roof gas shutoff valves are to be used, with demarcation coordinated with Texas Gas.
- Applicable environmental surveys are available through the DPW Environmental Division.
- No hazardous-material abatement is identified in the SOW.
- The contractor is responsible for determining applicable permits, safety requirements, and other approvals based on the work.
- The six-unit project and W911SG26BA008 are separate, independent contracts awarded simultaneously.
- Schedules are subject to submittal approval and further COR/MICC coordination.
- Required digitally signed drawings are the posted “Schedules_RTUS_1611” drawings, which may be emailed.
- Proposed HVAC specifications must be included in the bid package through Tab I.
- Emailed and hard-copy portions must be received before bid opening.
The resulting contract and CLIN 0001 will be firm-fixed-price. Liquidated damages are $1,717.24 per calendar day. Bonds are due within five calendar days after award, and submittals are due within 60 days after award. The 270-calendar-day performance period begins upon issuance of the Notice to Proceed.
All work is to occur during normal operating hours, generally 0700–1630, while the building remains occupied. Temporary cooling is required for every RTU taken offline, regardless of outage duration. Contractors must develop demolition and installation sequencing that limits impacts on tenant operations, coordinate merchandise protection with the COR and tenants, document pre-existing damage, and bear the cost of any proposed work-hour deviations. TAB activities and final testing must also occur during normal working hours, and an independent TAB report by a NEBB-certified contractor or approved equal is required.
Major technical clarifications include:
- Replacement units must be high-efficiency, BACnet-capable units compliant with the Buy American Act.
- Units must include factory-installed accessories, manufacturer startup, and the specified warranty coverage.
- Detailed proposed-unit specifications must be included in Tab I.
- New breakers and disconnects are required under the SOW, although wiring in good condition may remain.
- Replacement units must use the same voltage as the existing equipment.
- The contractor must verify panel capacity if the MCA or MOP changes.
- New condensate piping must be Schedule 80 PVC. The SOW will be revised to resolve conflicting copper-piping language.
- Existing LonWorks/Johnson Controls communication wiring must be protected.
- Applicable wiring must be disconnected and labeled.
- LonTalk control boards or unit interfaces must be removed and turned over to the COR.
- The contractor must provide thermostat programming and operator training.
- Building-wide BAS integration is not required.
Existing duct smoke detectors serving units over 2,000 CFM are generally to remain and be tested. A smoke detector must be added to any unit rated at five tons or more that lacks one. Faulty detectors must be reported to the COR.
Additional answers establish the following requirements:
- The contractor is responsible for curb-adapter measurements and other field verifications.
- Existing roof gas shutoff valves are to be used, with demarcation coordinated with Texas Gas.
- Applicable environmental surveys are available through the DPW Environmental Division.
- No hazardous-material abatement is identified in the SOW.
- The contractor is responsible for determining applicable permits, safety requirements, and other approvals based on the work.
- The six-unit project and W911SG26BA008 are separate, independent contracts awarded simultaneously.
- Schedules are subject to submittal approval and further COR/MICC coordination.
- Required digitally signed drawings are the posted “Schedules_RTUS_1611” drawings, which may be emailed.
- Proposed HVAC specifications must be included in the bid package through Tab I.
- Emailed and hard-copy portions must be received before bid opening.
The resulting contract and CLIN 0001 will be firm-fixed-price. Liquidated damages are $1,717.24 per calendar day. Bonds are due within five calendar days after award, and submittals are due within 60 days after award. The 270-calendar-day performance period begins upon issuance of the Notice to Proceed.
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