12-Req-0004099.Pre-Bid Presentation.pdf

GLWA Req-0004099:

Pump Station 2 Variable Frequency

Drives Upgrade at the Water Resource

Recovery Facility

Kimberly Bennett-Ruffin, GLWA Procurement

Agenda: Pump Station 2 Variable Frequency Drives Upgrade at the Water Resource Recovery Facility

GLWA Introductions

Procurement Info / B.I.D.

Minimum Qualifications

Technical Review

Schedule and Submittal Requirements

Conclusion

GLWA Introductions

Procurement Information (Kimberly Bennett-Ruffin)

Contract: Req-0004099

CIP: 211005

Procurement Contact info:

Kimberly Bennett-Ruffin Kimberly.Bennett@glwater.org

Site Tour 1: July 28th immediately following Solicitation Meeting Site Tour 2: July 29th immediately following Solicitation Meeting

Questions due: August 5th – 12 PM

Bids due: September 8th – 12 PM

Procurement Info: Contract/Dates

Presenter: Jeanette Driver

Business Inclusion and Diversity (B.I.D.) Requirements mailto:Eric.Zuckero@glwater.org

• While it is possible that proposing vendors will encounter GLWA staff associated with this project during the normal course of business on other projects, vendors are requested not to have any communication or discussion regarding this project. Failure to adhere to this instruction may result in bid disqualification.

• Bids shall be submitted to GLWA via BONFIRE website. No other means or method of submitting bids will be accepted.

• Bid responses are due by September 8, 2025- 12:00pm EST.

• Please submit all questions in writing via Bonfire.

• Oral responses are not binding, only written responses from GLWA are considered official and legally binding.

Procurement Announcement:

Minimum Qualifications, Goals, Technical Overview

Ernie West, Project Manager, HDR

Andy Rogers, Electrical Engineer of Record, HDR

Overarching Project Goals:

Design a VFD replacement system to support a fully functional system to effectively pump both Oakwood and NIEA flow from the Pump Station #2 wet well to the screenings channel

Construct a solution to replace each of the existing VFDs with new VFDs while maintaining firm capacity

RFB and Project Requirements:

Minimum Qualifications from Solicitation

1. Minimum Qualifications – A minimum of three (3) projects within the last ten (10) years demonstrating experience comparable to the Work described in this solicitation.

2. The Contractor shall have specific, successful, experience with installing, integrating, troubleshooting, and commissioning the following medium voltage power systems: large horsepower motors & VFD's (≥1000HP), transformers, main-tie-main switchgear, protective relay testing & programming, and motor/pump instrumentation systems.

3. The Contractor shall have specific, successful, experience with procurement, coordination and integration of packaged electrical equipment at large raw wastewater pumping and treatment facilities.

4. The Contractor shall have specific, successful, experience with planning and implementing large, complex, multi-phased retrofit construction projects requiring integration with existing systems and equipment and intricate pre and post modification testing requirements.

5. Contractors must demonstrate that they have worked in process areas and have successfully managed construction activities (including electrical, instrumentation and controls work) around in-operation equipment over the last five (5) years.

• Note submittals associated with Milestone 1

• Refer to Specification Section 01 33 00 for schedule and timing of submittals

Project Schedule

• Bid Due Date:

September 8th ,2025

• Anticipated NTP:

January 2026 (est.)

• Substantial Completion: 72 months from NTP

• Final Completion: 75 months from NTP

Project Milestone

• Milestone 1 (130 days from NTP):

Approval of medium voltage transformers and switchgear manufacturing order

Submittals

Partial Utilization by Owner

• Refer to Drawings and Project Manual for sequencing steps.

• Upon start-up, testing, acceptance of each VFD/motor pair, Owner shall place into service and will have beneficial use of the partially completed work.

• A single warranty period, which begins at the time of Substantial Completion of the entire Work, shall be provided by both equipment manufacturers and installers.

Allowances

Project Overview

General Requirements

• Developing a detailed sequence of construction schedule such that only a single VFD and pump is out of service at a time and N+1 power redundancy is maintained at EB-13A throughout the life of the project.

• Refer to Section 1.6 for sequence and progress of work.

• Field verify all existing raceways and conductors. All conductors are base bid.

Modifications to raceways as required based on field conditions shall apply to allowance. Raceways explicitly shown are not to be included in allowance and are considered base bid.

• General Contractor to procure the services of Emerson and Rockwell for integration of the project Ovation and VFD scope of work. Contractor to warranty the provided services.

• Develop GLWA standard loop drawings. Work shall be completed by Emerson and broken out as a separate cost on the bid tab form.

Project Overview

Project Details

• Replace Pump Station 2 (PS2) Variable

Frequency Drives (VFDs)

• Convert Electrical Building #13 (EB-13A) electrical distribution system from 13.8kV to 4.16kV

• Rewind existing synchronous low voltage (LV) 900HP motors w/ induction medium voltage (MV) 1000HP motors

Sequence of Construction

• Procure long lead equipment and integration services

• Demolish/reroute PS2 yard interfaces;

install undergrounds and MV substation

• Perform EB-1 vault tray additions, route new EB-13A feeders

• Integrate 4.16kV distribution in EB-13A

• Phase demolish-rewind-test-procure-install-commission single motor and VFD

• Install new EB-13A air handling units and

HVAC ductwork in VFD room

Simplified WRRF Electrical Single Line Diagram

Electrical Building 1: Feeder Modifications

Switchgear Section A Switchgear Section B

Vault Cable Tray Additions

Pump Station 2 Yard: Demolition & Reroute

Pump Station 2 Yard: Substation T-A & T-B

Electrical Building 13A: Integrate 4.16kV MV

Elevation 112.0 Step 1

Elevation 112.0 Step 2

Elevation 112.0 Step 16

Elevation 94.0 Step 1

Electrical Building 13A: Phasing MV VFD

Elevation 130.0 Step 1

Elevation 130.0 Step 16

Pump Station 2 Dry Well: Pump Instruments

Elevation 46.0/49.0 Step 16

Elevation 108.0/112.0 Step 16

Mechanical Integration of Existing Pumps and New or Rewound Motors

Mechanical Integration of Existing Pumps and New or Rewound Motors

Conclusion

Pump Station 2 Variable Frequency Drives

Upgrade at the Water Resource Recovery

Facility

Procurement Dates

Kimberly Bennett-Ruffin

Kimberly.Bennett@glwater.org

Procurement Contact Information

Site tour 1: 7/28/25 11:30am

Site Tour 2: 7/29/25 11:30am

Questions due: 8/5/25 12pm

Bids due: 9/8/25 12pm mailto:Kimberly.Bennett@glwater.org