ITB 2223-013a Q A Pump Valve Replace.pdf

APD ITB 2223-013a Rebid

ADDENDUM – 1 -

March 22, 2023

TO: Prospective Vendors

FROM: Solicitation Number: APD ITB #2223-013a Rebid

Pump and Valve Replacement

Addendum – 1 -

The information referenced is provided for consideration in the preparation of your response to the above-referenced ITB. All terms and conditions of the ITB, not modified by this Addendum Number 1 shall remain in full force and effect.

Questions and Answers: See vendor submitted questions and the Agency official answers.

REFERENCE QUESTION ANSWER

1 • Is large pump 100 HP or 75 HP?

Chilled Water Pump #1 is 75 HP. VFD is rated at 75 HP.

Pump circuit is rated at 150 AMPs.

2 • Is this for (1) each of the pumps listed?

Yes

3 • Is the 8” butterfly valve only (1) to be replaced?

4 • Is the check valve (1) to be included in this price?

5 • If so, should it be listed separately or with the butterfly valve?

No. It should be included together and replaced with the butterfly valve.

APD ITB 2223-013a Rebid

ADDENDUM – 1 -

6 • The existing pump models have been discontinued so connection sizes and dimensions may change.

a. NOTE: Existing pump information not available from the factory.

b. Will there be an option to change flex connector sizes later if needed?

c. NOTE: Larger HP may be required with the change in model design. This would be noted on the quote.

d. Would a pump selection at duty point be acceptable or does the motor need to be non-overloading?

a. Equipment should be sized as close as possible to the available specifications.

b. Flex connectors should be replaced and sized accordingly.

c. The VFD is rated for 75 HP and the circuit is rated at 150 AMPs.

d. Pump selection at duty point will be acceptable if the duty point can be accurately determined. If not, non-overloading will be preferred.

7 • We were unable to see the flex connectors on pump 1 because they were covered with insulation, will there be an option to add them later if they’re needed?

Flex connectors should be replaced.

8 • Is the VFD installed for the 100 HP (Actually 75 HP Pump)?

Sized correctly

a. NOTE: If the pump motor is 100HP the VFD would need to be changed.

The VFD installed is rated for 75 HP. The circuit is rated for 150 AMPs.

9 • Can we do a 1200 rpm vs the 1800 rpm on the larger pump?

RPM changes are acceptable if it meets the existing system requirements and performance.

10 • Pump #1 not adding up (per manufacture) based on the pump tag information. it requires a 150HP but the existing motor tag information shows it being a 75HP.

The VFD installed is rated for 75 HP. The circuit is rated for 150 AMPs. Any changes in HP or AMP draw will require further review for compatibility.

11 • Does facility maintenance have engineered drawings with the pump schedule or any information when pump #1 was installed?

Engineered drawings are not available for chilled water pump #1. Building 25 was remodeled in 2007.

To the extent this Addendum gives rise to a protest, failure to file a protest within the timer prescribed in Subsection 120.57(3), Florida

Statutes, or failure to post the bond or other security requirement by laws within the time allowed for filing a bond shall constitute a waiver of proceedings under Chapter 120, Florida Statutes.