Memphis_Questions_02122016.pdf

QUESTIONS AND RESPONSES

FCI MEMPHIS – REPLACE TRANSFORMER

PROJECT 1B3X QUESTIONS

SOLICITATION IFBP01111500001

Submitted by BBA Construction:

1. Sheet E0.2 shows existing Switchgear 7 Enclosure (used now as pullbox) feeding the existing 3000KVA transformer primary. Sheet E1.1 keyed note 4 says to disconnect Feeder from Switch gear 6 feeding the 3000KVA transformer, while keyed note 3 says Switchgear 7 provides primary (15KV) power to the “Tennessee Unit”.

What feeder goes through Switch 6 and what feeder goes through Switch 7, and how are they to be reconfigured with the new work?

CHANGE: An amendment will be issued immediately to provide an updated drawing providing an answer to this question.

Submitted by Panatec Corporation:

1. Provide a manufacturer and serial number of the existing breaker device or circuit breaker.

CLARIFICATION: There is no existing breaker device but there is a load interrupter switch controlling power to the transformer.

Manufacturer: Square D

Serial Number: N/A Model Number: 153-50

2. Provide a manufacturer and serial number of the existing transformer.

CLARIFICATION: Manufacturer: Sorgel Serial Number: N/A Model Name & Number: Watchdog, SHT, STYLE: 123789

3. Provide a manufacturer and serial number of the existing vacuum breaker.

CLARIFICATION: There is no existing vacuum breaker but there is a load interrupter switch controlling power to the transformer. See answer to question #1 for device information.

Submitted by Eaton Corporation:

1. The specifications do not show a requirement for oil containment for the new oil filled transformer. Does this project require Oil Containment for the new oil filled transformer?

CLARIFICATION: The new outdoor transformer is Liquid-Filled utilizing FR3 Fluid (Less Flammable See Oil Fluid) and will not require additional containment. The dielectric fluid is called for in Detail 4 / Sheet E3.2 and is also stated in the specifications.

2. We understand that the prison wants to experience minimal outage time during this project for the electrical feed in question. We would like to know what is the maximum amount of down time that is allowable at any given time for this project?

CLARIFICATION: The maximum allowable downtime is 12 hours. Please refer to General Note 2 on temporary power plan on sheet E1.2.

3. Will the prison accept an alternate proposal with an alternate solution in addition to the proposal for the work specified for consideration that may reduce outage time and cost?

CLARIFICATION: The updated specifications and drawings were completed by an AE firm who after conducting a site visit and analysis determined and the Government agreed, what in the best interest of the Government. An alternate proposal will not be accepted.