16-Specification Section 01 11 00.Summary of Work.Addendum No.2.pdf

Great Lakes Water Authority (GLWA) February 2025 GLWA - TOES VFD Replacement Issue for Bid Summary of Work 01 11 00 - 1

SECTION 01 11 00

SUMMARY OF WORK

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Location and Description of Work.

2. Other Construction Contracts.

3. Work by Others.

4. Work By Owner.

5. Sequence and Progress of Work.

6. Salvage of Materials and Equipment.

7. Partial Utilization by Owner.

B. Related Sections:

1. 01 14 00, Work Restrictions.

2. 01 46 01, Quality Requirements.

1.2 LOCATION AND DESCRIPTION OF WORK

A. The location of the Work is shown on the Drawings.

B. The Work to be performed under this Contract includes, but is not limited to, constructing the Work described below and all related appurtenances. The Work includes, but is not limited to, the following:

1. Water Resource Recovery Facility (WRRF) Pump Station 2 VFD replacements and electrical distribution system upgrade.

a . 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.

b. 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.

c. 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.

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

e. Electrical Building 1 (EB-1) work:

1) 15kV Switchgear Bus A - Installation of associated power and control interfaces;

i.e. medium voltage conductors and transfer trip signals.

2) 15kV Switchgear Bus B - Installation of associated power and control interfaces;

i.e. medium voltage conductors and transfer trip signals. Supply, installation, and testing of a new vacuum circuit breaker.

3) Demolition and installation of medium voltage feeders to support Pump Station 2 electrical distribution upgrades.

4) Cable tray additions in cable vault.

f. Pump Station 2 Substation Yard work:

1) Demolition of existing EB-13A D-1 generator

a) Removing of diesel tank, generators, switchgear building, power and instrument man/hand holes, and associated conductors, conduit, and junction boxes.

Summary of Work 01 11 00 - 2

b) Remediation and repair of disruption areas.

2) Removing and re-routing of EB-19 and EB-20 feeder cables:

a) Demolition of existing feeders and installation of new duct between MHP-16 and MH-1.

(1) Ground penetrating radar scanning and hydro vac excavation.

(2) Core drilling in existing manholes.

b) Installation and termination of new conductors between EB-1 and EB-19/-20.

3) Installation of new primary unit substation EB-13A T-A/T-B. Includes:

a) Installation of substation concrete pad and firewall.

b) Procurement and installation of two 10 MVA transformers.

c) Procurement and installation of neutral grounding resistor equipment.

d) Installation of new duct bank sections and associated manholes.

e) Installation of new power, grounding, instrumentation, and control cabling.

f) Installation of substation fencing and area lighting.

4) Demolition of existing transformer substation T-11 and T-14.

a) Demolition of cabling associated with substation T-11 and T-14.

b) Cables will be removed and not abandoned in place as duct bank conduits will be re-used for new primary unit substation.

g. Electrical Building 13 (EB-13A) work:

1) Switchgear Room

a) Demolition of 13.8kV switchgear Bus A and Bus B (Main-Tie-Tie-Main configuration). Includes removal of associated cabling.

b) Demolition of abandoned AC unit 2 and associated interconnections to the main ducting, water supply and electrical supply, including removal of piping and raceway.

c) Demolition of MVA-1 and MVA-2 breakers including cabling & conduit, and housekeeping pad.

2) Demolition of six existing low voltage variable frequency drives (VFD). Includes removal of associated cabling.

3) Demolition of 13.8kV/600V transformers connected to existing VFDs.

4) Demolition of VFD Room HVAC and associated ductwork, electrical transformer, disconnect, and cabling and raceway.

5) Demolition of air handling unit 1 and chiller.

6) New medium voltage cable installation from EB-13 to EB-1 to transition

Substation T-17 & T-18 to be fed directly from EB-1 switchgear.

7) Procurement and installation of 4160 V Switchgear Bus A and Bus B (Main-Tie-

Tie-Main configuration).

8) New medium voltage cable installation within EB-13 to transition Switchgear T from Substation T-11 and T-14 to a direct fed from new 4160V Switchgear Bus A and B.

9) Procurement and installation of five (5) medium voltage VFDs and associated power, control and grounding cables.

10) Procurement and installation of two (2) new air handling units and one (1) condensing unit.

11) Installation of new HVAC ductwork in EB-13 drive room and necessary connections associated with new air handling units.

h. Pump Station 2 work

1) Procurement and installation of new medium voltage 1000HP motor

2) Removal of five (5) existing low voltage pump motors for rewinding.

3) Installation of rewound medium voltage pump motors.

4) Installation of new power and control cables from pump motors to newly installed

VFDs in EB-13.

2. General Requirements:

a . Mobilize labor, equipment, materials, tools, facilities, and incidentals to the site, and provide temporary facilities, utilities, field offices, pest control, project signage, Summary of Work 01 11 00 - 3 environmental controls, progress cleaning, construction waste management, site cleaning, site security and other general requirements specified in the Contract Documents throughout the duration of the Contract.

b. Provide project management, project scheduling, project communications, project meetings, document management, project controls, project supervision, and contract management required to plan and coordinate the Work of this Contract with that of other contracts being conducted simultaneously at the site as well as with the Contracting Officer’s operation and maintenance of the facility so that facility and system operations are maintained, and service is not disrupted during the course of the Work.

c. 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.

d. Execute the work with utmost care and safety, complying with applicable local, state and federal laws, rules and regulations with respect to health, safety and the environment.

e. Maintain project records throughout the duration of the Contract, including but not limited to photographs, video, record documents, asset turnover forms, operation and maintenance data, and training documents as specified in the Contract Documents.

f. Conduct progress cleaning throughout the duration of the Contract to maintain a clean, safe and orderly site.

g. Conduct startup, testing, adjusting, balancing, commissioning, and related Work to provide complete and functional systems that are ready for GLWA’s use and occupancy in order to obtain Substantial Completion of the Project.

h. Proactively complete and correct deficiencies and defective Work so that Final Completion of the project is attained within the Contract duration.

i. Demobilize labor, equipment, materials, tools, facilities, and incidentals from the site once the project has reached Final Completion in accordance with the Contract Documents.

C. Contracting Method: The Project shall be constructed under one single prime contract.

D. Contractor shall be responsible for identifying, selecting and employing its means and methods in the proper execution of the Work so that the Work is satisfactorily completed in accordance with the Contract Documents. Contractor shall plan its execution of the Work in advance and design its own procedures and temporary facilities needed to satisfactorily perform and complete the Work in every respect.

1.3 OTHER CONSTRUCTION CONTRACTS

A. Other construction contracts have been or will be awarded by Owner that are in close proximity to or border on the Work of this Contract. Work under these other contracts is briefly described as follows:

1. Pump Station No 1 Improvements

a. Principal Work Location: Pump Station No. 1

b. Scope: Site, landscaping, architectural, structural, building HVAC, and upper and lower wet well improvements. New electrical room, conduit room, and utility tunnel improvements as well as rehabilitation, testing, and acceptance of each main lift pump system, their motors, controls, and appurtenances.

c. Contract times expected to start running on February 7, 2023.

d. Approximate Substantial Completion: August 8, 2029.

e. Approximate Final Completion: May 8, 2030.

2. Electrical Building EB-20 Project:

a . Principal Work Location: Electrical Building 20.

b. Scope: The EB-20 replacement project includes the demolition and installation of new

EB-20 switchgear and extension of the existing medium voltage cable feeding EB-20.

Summary of Work 01 11 00 - 4

This project also includes bringing new breaker status and power meter data into Ovation.

c. Contract times expected to start running on February 1, 2026.

d. Approximate Substantial Completion: TBD.

e. Approximate Final Completion: TBD.

3. Pump Station 2 Bar Rack Replacement and Grit Collection System Improvements.

a . Principal Work Location: Screening Facility, EB-13, and adjacent areas.

b. Scope: Project involves: improvements at PS-2 Screen Building, electrical improvements within EB-13, Chemical Facility improvements, Grit Processing Facility improvements, and demolition of Monorail Building and MPI-2 Sampling Station.

c. Contract times expected to start running on December 2024.

d. Approximate Substantial Completion: October 8, 2029.

e. Approximate Final Completion: June 9, 2030.

1.4 WORK BY OWNER

A. Owner will perform the following in connection with the Work:

1. Operate all existing valves, gates, pumps, equipment, and appurtenances, in accordance with

Section 01 14 16.

1.5 SEQUENCE AND PROGRESS OF WORK

A. Sequencing:

1. Incorporate sequencing of the Work into the Progress Schedule.

2. Sequencing Requirements:

a . Step 1

1) Project start up and mobilization.

b. Step 2

1) Installation of new Primary Unit Substation EB-13 T-A and T-B pads, firewall, manholes and additional duct bank sections.

2) Installation of new 10 MVA transformers and associated neutral grounding resistor equipment.

3) Installation of new 4160V switchgear Bus A.

4) Installation of new 4160V switchgear Bus B, sections 1 thru 4 only.

5) Perform all EB-1 related electrical work and feeder cable pulls.

6) Commission new Substation T-A, T-B and 4160V and have ready to transition loads to distribution system.

7) Conduct pre-modification pump and motor vibration testing, pump dynamics analysis of the existing pump system, and dynamics analysis of the new motor with the existing pump to reduce the risk for vibration related failures including those associated with torsional rotordynamics and pump system/building harmonics for Pump -16 coupled to a new motor via the existing line shaft. Verify continuous current of new motor and coordinate with VFD prior to release of VFD manufacture.

8) Identify pump dynamic mitigation items and associated cost. Submit report, scope of mitigation work, schedule and pricing for Owner review and allowance authorization.

c. Step 3

1) Transition substation T-17 main feeder from EB-13 13.8kV switchgear to EB-1 switchgear.

2) Receive new Pump-16 motor.

3) Pump-16 taken out of service.

4) Demo existing VFD-16 and VFD Transformer T-16.

5) Remove and send existing Pump-16 motor for rewind.

6) Demo existing HVAC in VFD room.

7) Install rooftop HVAC, test, commission and place in service.

d. Step 4

Summary of Work 01 11 00 - 5

1) Transition substation T-18 main feeder from EB-13 13.8kV switchgear to EB-1 switchgear.

e. Step 5

1) Installation of new VFD 16.

2) Complete pump dynamics modifications, as identified by dynamics analysis for

Pump-16.

3) Installation of new Pump -16 motor.

4) Start up, test, commission, and place in service Pump-16.

5) Power new VFD 16 and test.

6) Conduct pre-modification pump and motor vibration testing, pump dynamics analysis of the existing pump system, and dynamics analysis of the rewound Pump -16 motor with the existing Pump-15 to reduce the risk for vibration related failures including those associated with torsional rotordynamics and pump system/building harmonics for pump coupled to rewound motor via the existing line shaft.

7) Verify continuous current of rewound motor and coordinate with VFD prior to release of VFD manufacture.

8) Identify pump dynamic mitigation items and associated cost. Submit report, scope of mitigation work, schedule and pricing for Owner review and allowance authorization.

f. Step 6

1) Installation of new VFD 15.

2) Receive rewound motor 16.

3) Pump-15 taken out of service.

4) Remove and send existing Pump-15 motor for rewind.

5) Demo existing VFD-15 and VFD Transformer T-15.

6) Install rewound motor 16 as motor 15.

7) Complete pump dynamics modifications, as identified by dynamics analysis for

Pump-15.

8) Start up, test, commission, and place in service Pump-15.

g. Step 7

1) Place Switchgear T in bus tie mode to allow for demo of substation T-14 feeder and 5kV MVA-2 breaker.

2) Refeed Switchgear T from new 4160V Switchgear Bus A.

3) Remove Switchgear T bus tie mode, re-segregating Switchgear T and energize new feed from Switchgear Bus A.

h. Step 8

1) Conduct pre-modification pump and motor vibration testing, pump dynamics analysis of the existing pump system, and dynamics analysis of the rewound Pump -15 motor with the existing Pump-9 to reduce the risk for vibration related failures including those associated with torsional rotordynamics and pump system/building harmonics for pump coupled to rewound motor via the existing line shaft.

2) Verify continuous current of rewound motor and coordinate with VFD prior to release of VFD manufacture.

3) Identify pump dynamic mitigation items and associated cost. Submit report, scope of mitigation work, schedule and pricing for Owner review and allowance authorization.

4) Receive rewound motor 15

5) Pump-9 taken out of service.

6) Remove and send existing Pump-9 motor for rewind.

7) Demo existing VFD-9 and VFD Transformer T-9.

i. Step 9

1) Install new VFD-9

2) Install rewound motor 15 as motor 9.

Summary of Work 01 11 00 - 6

3) Complete pump dynamics modifications, as identified by dynamics evaluation for Pump-9.

4) Start up, test, commission, and place in service Pump-9.

j. Step 10

1) Conduct pre-modification pump and motor vibration testing, pump dynamics analysis of the existing pump system, and dynamics analysis of the rewound Pump -9 motor with the existing Pump-12 to reduce the risk for vibration related failures including those associated with torsional rotordynamics and pump system/building harmonics for pump coupled to rewound motor via the existing line shaft.

2) Verify continuous current of rewound motor and coordinate with VFD prior to release of VFD manufacture.

3) Identify pump dynamic mitigation items and associated cost. Submit report, scope of mitigation work, schedule and pricing for Owner review and allowance authorization.

4) Receive rewound motor 9.

5) Pump-12 taken out of service.

6) Remove and send existing Pump-12 motor for rewind.

7) Demo existing VFD-12 and VFD Transformer T-12.

k. Step 11

1) Install new VFD-12

2) Install rewound motor 9 as motor 12.

3) Complete pump dynamics modifications, as identified by dynamics analysis for

Pump-12.

4) Start up and place in service Pump-12.

l. Step 12

1) Demo 13.8 kV feeder cable between EB-1 and existing EB-13 Bus A

2) Demo 13.8 kV Switchgear Bus A in EB-13 and the T-14 Feeder.

3) Pump-13 taken out of service.

4) Remove and send existing Pump-13 motor for rewind as spare.

5) Demo existing VFD-13 and VFD Transformer T-13.

m. Step 13

1) Conduct pre-modification pump and motor vibration testing, pump dynamics analysis of the existing pump system, and dynamics analysis of the rewound Pump -12 motor with the existing Pump-13 to reduce the risk for vibration related failures including those associated with torsional rotordynamics and pump system/building harmonics for pump coupled to rewound motor via the existing line shaft.

2) Verify continuous current of rewound motor and coordinate with VFD prior to release of VFD manufacture.

3) Identify pump dynamic mitigation items and associated cost. Submit report, scope of mitigation work, schedule and pricing for Owner review and allowance authorization.

4) Receive rewound motor 12.

5) Install additional sections of new 4160 V Switchgear Bus B.

6) Install new VFD-13

7) Install rewound motor 12 as motor 13.

8) Complete pump dynamics modifications, as identified by dynamics analysis for

Pump-13.

9) Start up, test, commission, and place in service Pump-13.

n. Step 14

1) Place Switchgear T in bus tie mode to allow for demo of substation T-11 feeder and 5kV MVA-1 breaker.

2) Refeed Switchgear T from new 4160V Switchgear Bus B.

3) Remove Switchgear T bus tie mode, re-segregating Switchgear T and energize new feed from Switchgear Bus B.

Summary of Work 01 11 00 - 7

4) Pull, terminate, and test additional C-554 & C-555 1-3/C 750KCMIL cables;

coordinate with removal of C-3 & C-4.

o. Step 15

1) Demo remaining 13.8 kV switchgear in EB-13 and the EB-1 feeder.

2) Demo Substation T-11 and T-14 transformers.

3) Pull, terminate, and test additional C-550 & C-551 1-3/C 750KCMIL cables;

coordinate outage of a single transformer at a time.

p. Step 16

1) De-mobilization and final cleanup.

B. Requirements for sequencing and coordinating with Owner’s operations, including maintenance of facility operations during construction, and requirements for tie-ins and shutdowns, are in Section 01 14 16, Coordination with Owner’s Operations.

1.6 SALVAGE OF MATERIALS AND EQUIPMENT

A. Existing materials and equipment removed and not shown or specified to be reused in the Work will become Contractor’s property, except the items that shall remain Owner’s property as determined in coordination meeting with Owner prior to demolition:

B. Removal, Storage, Handling, Reinstallation:

1. Carefully remove in manner to prevent damage all materials and equipment shown or indicated to be salvaged and reused or to remain property of Owner.

2. Store and protect salvaged items shown or indicated to be used in the Work.

3. Replace in-kind or with new items those items of materials and equipment damaged during removal, storage, or handling through Contractor’s actions, negligence, or improper procedures.

C. Contractor may furnish and install new items, with Engineer’s and Contracting Officer’s approval, instead of those specified or indicated to be salvaged and reused, in which case such removed items will become Contractor’s property.

1.7 PARTIAL UTILIZATION BY OWNER

A. Prior to Substantial Completion of the entire Work under the Contract, substantially complete the Work as follows:

1. Refer to Drawings and Project Manual for sequencing steps.

2. 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.

3. 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.

PART 2 - PRODUCTS: NOT USED

PART 3 - EXECUTION: NOT USED

END OF SECTION

b) Installation and termination of new conductors between EB-1 and EB-19/-20.

B. Requirements for sequencing and coordinating with Owner’s operations, including maintenance of facility operations during construction, and requirements for tie-ins and shutdowns, are in Section 01 14 16, Coordination with Owner’s Operations.

C. Contractor may furnish and install new items, with Engineer’s and Contracting Officer’s approval, instead of those specified or indicated to be salvaged and reused, in which case such removed items will become Contractor’s property.