Q and A for Air Duct Cleaning from Vendors.pdf

Questions for Air Duct Cleaning Services for 6 CONS

1 Jun 2021

1) Is there a mandatory site visit? No

2) I only see building 147 drawings are both buildings identical. Drawings for Bldg 148 were not included in attachment. Bldgs are not identical. The drawings for Bldg 148 state Conference Room Addition to Building 147 NVZR 08-151 Repair B147 Repair B147 for the project name. Bldg 148 is a detached one-story conference center

3) Do you have an expected award date? No

4) What are the ceiling heights on all floors? Bldg 147 ceiling height is roughly 7 feet throughout most of the office space, between 7 feet and 9 feet for the janitor closets and mechanical rooms. Bldg 148 ceiling is 9 feet.

5) Is any special equipment need? No

6) The industry standard for HVAC Cleaning in NADCA (National Air Duct Cleaners Association). Is the successful contractor required to be a member of NADCA to ensure they specialize in HVAC Systems Cleaning? The SOW states the work has to be in accordance with NADCA but doesn’t necessarily state the contractor has to be a member.

7) Is any of the ductwork to be cleaned internally lined with insulation, requiring a sealant to be applied to the internal insulation after cleaning? See drawings

8) How many AC systems are in each building? See drawings

9) What are the height of the ducts? See drawings

10) What are the type of duct in the existing duct?

Sheet metal ducts

11) May we please request a copy of the actual scale mechanical drawings? Provided for Bldg 147, added drawing for Bldg 148