Questions_and_Answers.docx

Questions and Answers:

1. Question:

If available, please provide single line diagrams and record drawings for the Medium and low voltage Electrical distribution system components which requiring Arc Flash analysis described by the Scope of Work.

Answer: Daigram has been added as an item to the FBO.GOV package

2. Question:

Please clarify if Distribution panels, MCC's etc. less than 240V shall be included in study or to what extent they are to be labeled, see C.1.3.

Answer: If labeling is not required by NEC 70E, minimal PPE Category label shall be placed on the electrical distribution panel..

3. Question:

Refer to C.1.5; is an equipment study comparing the calculated SCR to existing equipment short circuit interrupting ratings required and if so how far do we carry that verification into the distribution system?

Answer: Building point of entry

4. Question:

Items C2.2 and C.4.1; imply that an overcurrent protective device coordination study is required. Please confirm that a coordination study is part of this contract and if so how far do we carry that verification into the distribution system?

Answer: Overcurrent protective device coordination study is not required. Short circuit and arc flash calculations will be required.

5. Question:

Please confirm the duration to complete the entire job shall be 30 days.

Answer: Start within 15 days of award. Job shall be completed within 30 days of start.

6. Question:

Does the study include the CDC, WWTP, WTP and PX mech. at the Coleville facility?

Answer: WWTP and the WTP only