B456 HVAC PRFIs_Answers.docx

B456 HVAC PRFI’s as of 19 Dec 23

-Will contractors be responsible for replacing drop ceiling after demo in CONS/ENG section?

Yes -Will all electrical be above ground outside?

Electrical conduits from B456 exterior wall to the HVAC unit and DOAS must be below ground.

-Will freeze protection be needed outside? (320-volt circuits) The electronics and circuits for the HVAC unit must be rated for below freezing temperatures.

-There are no convenience outlets outside, there will need to be some added.

No -Should selective demo outside be expected?

Yes. Selective demo is required for new natural gas lines and electrical conduits.

-IFB page 74 3.3: The work hours stated is T‐F (10hrs a day) and in the Specifications section 011100 1.19 states M‐F 7:30‐4:30. Please confirm which is correct?

Monday through Friday from 0600-4:30 is acceptable for this project.

-Is there a current Asbestos/LBP survey that can be provided for this building?

The building is 22 years old and an asbestos/LBP survey is not required.

-Do all of the designated ceilings need to be completely removed in each room or is up to the contractor to remove as much as needed to perform the work and just replace the sections removed?

Selective demo is acceptable if requirements below are met.

CUTTING AND PATCHING

A. Cutting and patching includes cutting into existing structures to provide for the performance of the work and subsequent fitting and patching as required to restore surfaces disturbed, damaged or otherwise altered to their original or specified condition.

B. Visual Requirements: Do not cut and patch work in a manner that would result in substantial visual evidence of cut and patch work. Remove and replace work judged by the COR to be cut and patched in a visually unsatisfactory manner.

C. If possible, retain the original installer or fabricator, or another recognized experienced and specialized firm to cut and patch.

D. Use materials for cutting and patching that are identical to existing materials. If identical materials are not available, or cannot be used, use materials that match existing adjacent surfaces to the fullest extent possible with regard to visual effect. Use materials for cutting and patching that will result in equal-or-better performance characteristics.

E. Restore surfaces of patched areas to match adjacent finishes. Where necessary, extend finish restoration into retained adjoining work in a manner, which will eliminate of patching and refinishing.

-What is the maximum amount of rooms (or sq. ft.) we can work in per phase?

Phase the project based on AD-101. Phase 1 - Area A, Phase 2 - 1/2 of Area B, Phase 3 - Area C and 1/2 of Area B. Beneficial occupancy will be provided for every completed room in each phase.

-Per the specifications the contractor is to remove the furniture. Is there a place in the building to store the furniture? If not, can it be stored in a conex box on site?

Space will be provided in B456 to move furniture if required.

-IFB 13.D states that the contractor is to hold their price for 180 days. Due to an unstable supply and vendors not holding their pricing no more than 30‐90 days on most items. Will the government allow adjustments to the final price if proper backup is provided?

No

Is separate pricing required for any options on this requirement?

No. There are no options on this contract. This will be awarded as one lump sum and all options mentioned in the plans & specs will be incorporated into the base bid of one lump sum. We would like pricing broken down by trade, for evaluation purposes.