QJKL_15-0034_-_Site_Visit_Questions_&_Responses.pdf

Questions & Responses #001, March 24, 2017 QJKL 15‐0034 Repair Mechanical & Electrical, Lodging (B707)

1. QUESTION: If the project is not awarded until Late summer to early fall some of the installation will not be able to be completed within the project duration due to the need to operate the equipment at that time or the weather prohibits the proper startup and testing of the equipment. Please advise how this is to be handled or accounted for.

RESPONSE: The expectation is that the project will be awarded before June and that all work will be complete before winter.

2. QUESTION: Verify that functional commissioning testing is to be included by the contractor and not by the Government engineering contract.

RESPONSE: Yes, provided by contractor.

3. QUESTION: Please provide the names of the approved controls contractors to perform the work on the base.

RESPONSE: We do not have an approved list, we have provided very detailed information on the system the base uses so that you are able to find a controls contractor qualified to work on this system.

4. QUESTION: Please confirm that the new PTAC unit’s physical sizes have been verified with the current units and that the new units will fit using the existing unit’s sleeves and exterior grilles.

RESPONSE: New equipment model numbers specified are selected to be exact replacements of existing units. New grilles and walls sleeve should not be required unless existing are damaged.

5. QUESTION: Please provide onsite storage allotments or requirements on the job for the equipment and material to be used.

RESPONSE: An onsite laydown area will be provided in the parking lot to the North of the facility. No additional storage will be provided within the facility other than the area being worked on during each phase.

6. QUESTION: Confirm that there are to be no spare PTAC units ordered with the project order.

RESPONSE: That is correct, no spare PTACs are required.

7. QUESTION: Please confirm if the generator will contain fuel and if the contractor is responsible for the removal of such fuel. Is the government going to take the fuel back for their use? How is the generator to be stored/crated once it is removed for return to the government?

RESPONSE: See Key Note 2 on detail 1/E3.1. After removal the generator can be moved to the CE storage yard less than 1 mile away from the site, no crate is needed, just seal any openings for storage.

8. QUESTION: Where there is new fresh air ducts being installed into the hotel rooms there are no fire dampers shown. Please confirm that this is correct.

RESPONSE: New combination fire smoke dampers are added where supply ducts communicate directly with the corridor. This is indicated on the drawings with a FS, we apologize for it not being called out on the legend.

Questions & Responses #001, March 24, 2017 QJKL 15‐0034 Repair Mechanical & Electrical, Lodging (B707)

9. QUESTION: Who is the current fire alarm contractor for the base?

RESPONSE: The current base fire alarm system is Monaco.

10. QUESTION: On sheets M2.12, M2.13, M2.22, & M2.23 show new OA ductwork going into existing rooms. The plans do not show fire dampers. Will this new duct require fire dampers when it penetrates corridor wall?

RESPONSE: No, only where duct supplies air to the corridor. This is indicated on the drawings with a FS, we apologize for it not being called out on the legend.

11. QUESTION: On sheet D1.0 note 7 it states existing wall sleeve and exterior louver are to remain.

However in spec section 23 81 00 2.3 it states to furnish new Wall Sleeve and Outdoor Grille. Please clarify.

RESPONSE: New equipment model numbers specified are selected to be exact replacements of existing units. New grilles and walls sleeve should not be required unless existing are damaged.

12. QUESTION: Plans call for us to only replace the condensing units and piping with 410a. Are the DX coils in the AHU’s also R410a?

RESPONSE: All DX coils to be replaced when replacing condensing units.

12. Clarification: On sheet M4.11 Air Cooled Condensing Unit Schedule.

ACCU 3.2 should serve UV 3.1 ACCU 3.3 should serve UV 3.2 ACCU 3.3 should serve UV 3.3