Questions and Government Responses for W912DS25R0005_Troy Lock Automatic Transfer Switch Replacement.pdf

W912D25R0005 – Troy Lock Automatic Transfer Switch

Questions and Responses

1. In Section 2.1.9, Please confirm whether the delayed transition is required.

Response: Yes, it is required.

2. Is this project prevailing wage?

Response: Minimum wages are subject to the SCA Wage Determination in the solicitation, WD 2015-4143.

3. The existing ATS is 400A and mounted to a wood backboard. The new scope says to replace the existing

ATS with new and an added isolation bypass switch. The Asco 300 ATS doesn’t have the capability to add this bypass switch. Therefore, a large floor mounted unit would need to be installed. The specifications do not mention any concrete work; however, a concrete pad would have to be installed for this equipment. Are there specifications for concrete and is this something that should be included in our pricing?

Response: If the ATS equipment the contractor will be installing requires a concrete pad for the size of the unit, it should be included in their bid. If a concrete pad is needed, the contractor shall follow the equipment specification and all associated ATSM standards, IBC 2018 codes, ANSI/AHA codes, ACI codes, and U. S. Army Corps of Engineers Handbook for Concrete and Cement, for a typical 4”-6” standard concrete equipment pad. The overall pad size will be determined by the specification of the ATS equipment.

4. With the addition of pouring a concrete pad, would it be considered to have the (3) trees directly behind the current ATS removed, to make space for the larger equipment?

Response: Leaving the trees in place is preferred. Moving the ATS location away from the pole/trees is an acceptable solution. The contractor can propose keeping the ATS in the same proximity as it is now or moving the ATS to a different location on site. All location proposals will be considered and reviewed for approval/rejection prior to construction.

5. Utility power will need to be disconnected to work on the replacement of the ATS. This would shut down power to all buildings on site. The specs reference only the lock house to remain powered, however this site

I assume is occupied daily. Temporary power would need to be provided via a generator to supply power to the adjacent buildings. This is not refenced in the specifications. Should temporary power be provided to other buildings on site and not just the lock house?

Response: Any power loss to the administrative or maintenance buildings exceeding 4 hours will require the placement of generators. If power is lost outside working business hours, a generator will also need to be added for the security shack located at the facility entrance.

6. We received information that the lead time for this equipment is 60-64 weeks from time of purchase.

Response: Noted. We will adjust the period of performance based on the lead time for the equipment after contract is awarded.