Water Treatment QA.pdf

Water Treatment Facility

1240LN26Q0003

Question & Answer

Please provide list of vendors and small business general contractors interested on bidding this project. A list is not available.

Are any of the existing items such as gauges, ARVs, and valves on the relocated tanks and filters being replaced? A: Refer to P1.0 & P1.1.

Please confirm 6,000 Storage Tank is existing and there is no scope of work related to it. A: Yes, the

6,000-gallon water storage tank is existing; however, there is some scope of work to be done with the storage tank. Please see Specification Section 223050, Part 3.5 and as indicated on the electrical one-line diagram.

Please confirm Tie-in of new WTF water is to existing water main as shown on C1.0 and not to Storage

Tank as shown on G1.1 A: Tie-in to the existing water main as shown on C1.0.

Please confirm if the completion date of September 30, 2026 is being pushed due to Addendum 01. A:

The completion date remains firm for September 30, 2026.

Listed check valves on specification section 22 30 00 2.3C have a minimum size of 2” and flanged, will that be an issue? A: Check valve shall be Asahi/America Swing Check Valve, flanged, 1-1/2 in., Class

150, Item No. 1205015, or approved equal. Install check valve upstream of the ball valve in the vertical run, immediately before the line exits the plant. Orient valve per manufacturer's requirements.

Since some items from the existing system are being re-used it is our understanding the water treatment system will be down for a period of time. Do you have a notion of what this down time looks like? A:

Yes, a temporary shutdown is anticipated. The contractor shall determine the duration. Refer to

Specifications section 010150 General Requirements, Part 1.5.D.

What is the anticipated timeframe for an award? All proposals shall be valid for 90 days, award is anticipated with that timeframe.

Is the scope of work to be completed during regular hours or after hours? Normal work hours, M-F, 0700

– 1800, is the anticipation. No work outside those hours, on weekends, or holidays without prior written approval. See Section 010150 General Requirements)

Will there be a need to provide water for the crew to use while this system is being relocated? A: Yes, refer to Specifications section 010150 General Requirements, Part 1.5.D.

Have any of the current materials been tested for hazardous contaminants? Will testing or abatement be required for this scope of work? A: The current materials have not been tested for hazardous materials. Testing or abatement is not anticipated. If the contractor finds suspected hazardous materials during construction, notify the Contracting Officer immediately.

How many on-site meetings and frequency will be required prior to commencing work and during construction for this scope of work? A: One virtual pre-work meeting is anticipated prior to commencing work. Refer to Specifications sections 010150 General Requirements and 014000 Quality

Requirements for additional requirements. On-site meetings can be accommodated if requested by the Contractor.

Please confirm if there are any limitations regarding shutdowns and construction of the existing water treatment system. A: Refer to Specifications Section 010150 General Requirements, Part 1.5.

Is any insulation needed?. If needed please provide specifications. A: Insulation is not anticipated to be required if not already listed in the drawings and specifications.

Can you provide pictures of the existing chemical injection and pH Sensor details? A: These items are to be provided new by the contractor.

Can you provide pictures of the existing pressure transmitter connections? A: These items are to be provided new by the contractor.