eProjects 1907329 Addendum 01.pdf
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- N4008526R0145
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This is Addendum 01 to a Request for Proposals (RFP) for HVAC equipment replacement at Building 501, NAS Oceana, Dam Neck Annex, Virginia Beach, Virginia (eProjects WO# 1907329), issued May 19, 2025.
The addendum modifies six sections of the original RFP specifications. Key changes include: extending the underground utilities notification period from 30 to 48 calendar days; revising work hours from 0800-1600 to 0700-1530; removing the restriction prohibiting the Superintendent from serving as Construction Quality Control Manager; requiring demolition and replacement of existing roof-mounted support curbs and adjacent roof curbs with factory-fabricated equipment support curbs and weather-tight hood assemblies for the ductless split-system (AC-4) condensing unit; eliminating the allowance to reuse existing condensing unit support structures; and specifying complete demolition and replacement of the RTU-3 electrical circuit from Panelboard P2B in Electrical Room 214 on the second floor, including new raceway system, conductors, heavy duty disconnect switch, and circuit breaker. Three reference attachments are included: Repairs and Alterations to Building 501 drawings (08JUL2004), Replace Roof Membrane drawings (27JAN2026), and Pre-Award Site Visit documentation.
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BUILDING 501 - REPLACE HVAC EQUIPMENT
NAS OCEANA, DAM NECK ANNEX, VIRGINIA BEACH, VIRGINIA
eProjects WO#: 1907329 Addendum 01 May 19, 2025
1. RFP Part 2, Section 01 14 00.05 20 WORK RESTRICTIONS
Paragraph 1.1 Existing Underground Utilities, replace “30 calendar days” in its entirety with “48 calendar days” .
2. RFP Part 2, Section 01 14 00.05 20 WORK RESTRICTIONS
Paragraph 1.2 Work Hours, Access and Passes, paragraph d., replace “between 0800 and 1600” in its entirety with “between 0700-1530” .
3. RFP Part 2, Section 01 30 00.05 20 ADMINISTRATIVE REQUIREMENTS paragraph 1.1 Supervision
Remove the sentence “The Superintendent must not serve as the Construction Quality Control Manager.” in its entirety.
4. RFP Part 3, Section D30 HVAC
Section HVAC System Requirement, paragraph 5, delete sentence “Existing support curbs … (AC-4) condensing unit, refrigerant and control wiring.” In its entirety and replace it with the following:
“Demolish existing roof mounted support curbs and adjacent roof curb used for refrigerant piping penetration of the roof system in its entirety and provide factory fabricated equipment support curbs and piping roof curb penetration / weather-tight hood assembly for the ductless split-system (AC-4) condensing unit, refrigerant and control wiring.”
5. RFP Part 3, Section D3030 COOLING GENERATION
Section “Direct Expansion System Ductless”, 9th bullet, delete the sentence “Existing condensing unit support may be used if adequate.” in its entirety.
6. RFP Part 3, Section D5020 LIGHTING & BRANCH WIRING
Delete paragraph “2. RTU-3: Demolish existing circuit … and circuit breaker.” in its entirety and replace it with the following paragraph:
“2. RTU-3: Demolish existing circuit complete from Panelboard P2B located in Electrical
Room 214 on the second floor including circuit breaker. Provide a new circuit from P2B to the RTU- 3 replacement including complete raceway system, conductors, heavy duty disconnect switch and circuit breaker.”
BUILDING 501 - REPLACE HVAC EQUIPMENT
NAS OCEANA, DAM NECK ANNEX, VIRGINIA BEACH, VIRGINIA
eProjects WO#: 1907329 Addendum 01 May 19, 2025
7. ATTACHMENTS:
- Attachment A - Reference Drawings - REPAIRS ANS ALTERATIONS TO BUILDING 501
(08JULY2004)
- Attachment B - Reference Drawings - REPLACE ROOF MEMBRANE - Building 501
(27JAN2026)
- Attachment C – Pre-Award Site Visit
File details come from the government source that posted it. Updated .