REPAIR_MAF_WATER_WELLS_II_QUESTIONS_1.pdf

REPAIR MAF WATER WELLS II QUESTIONS

1. Can electrician do 26 05 19 3.7 A.B.C.D.?

Response: See paragraph 1.5. The qualifications require an “independent” testing agency.

2. Can electrician do 26 29 13 3.5 A. 6. ? NETA calls for a “thermographic survey” at the time of installation and within 12 months on final acceptance. Can we get in 12 months later or will the NETA survey be deleted?

Response: The intent of Paragraphs 3.5, 3.6 & 3.8 is to have a representative of the pump controller manufacturer available at the site during startup with a test report issued. A thermographic survey is not required.

3. The print calls out for 2- 1/0 copper ground wires to be run from the old well casing to the new well casing in the past we ran one wire from casing to casing and the other wire from the new well casing to the pump soft start panel is this correct?

Response: The reason for using two #1/0 ground conductors is for redundancy. A separate equipment ground is run with the feeder to the new pump controller.

4. I noticed that all the power is coming from the outside panel WP and there is a panel inside labeled PP. Does it matter which panel we come from for power? Is there a space?

Response: It is very important that anything in the pump house that is associated with water delivery to the MAF be connected to Panel WP because it is connected to an automatic transfer switch and an emergency bypass electrical service. Should the MAF electrical service need to be shut-off (i.e. during a fire), power to Panel PP would be lost, but the power to Panel WP could be maintained.

5. There’s a note on the electrical site plan (provide Exothermic connection to tracer wires at corners if horizontal drilling) I need clarification on what is needed to provide for this if it’s needed.

Response: If the tracer wire can be run without any splices, an exothermic connection is not required. If it must be spliced to accommodate a HDD, then refer to Detail 1, Sheet E2.0 and Specification 26 05 26.

6. What is the max contractual drill depth for each well?

Response: Specifications 33 21 00, Table 2 is incorrect. The anticipated depth of the new wells will be the same as the existing wells. See Amendment 1 for this solicitation.

7. Are detailed well logs available for pre-existing wells at Bravo and Lima?

Response: See Attachment 1

8. Are detailed well logs and pump tests available for Foxtrot and Golf to calculate pump setting depth with?

Response: See Attachment 1

BRAVO WELLAttachment 1

BRAVO WELL

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FOXTROT WELL

Attachment 1

GOLF WELL LOG - 1992

Attachment 1

LIMA WELL Attachment 1

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