34436_Combined_Synopsis_Solicitation_Final.pdf

WOMEN-OWNED SMALL

BUSINESS (WOSB)

SOLICITATION/CONTRACT/ORDER FOR COMMERCIAL PRODUCTS AND COMMERCIAL SERVICES

1. REQUISITION NUMBER PAGE 1 OF

2. CONTRACT NUMBER 3.AWARD/EFFECTIVE

DATE

4. ORDER NUMBER 5. SOLICITATION NUMBER 6. SOLICITATION ISSUE

DATE

7. FOR SOLICITATION

INFORMATION CALL:

a. NAME b. TELEPHONE NUMBER (No collect calls)

8. OFFER DUE DATE/

LOCAL TIME

9. ISSUED BY

13b. RATING

14. METHOD OF SOLICITATION

CODE

15. DELIVER TO 16. ADMINISTERED BY CODE

18a. PAYMENT WILL BE MADE BY CODE17a. CONTRACTOR/

OFFEROR

CODE

FACILITY

CODE

CODE

TELEPHONE NUMBER

17b. CHECK IF REMITTANCE IS DIFFERENT AND PUT SUCH ADDRESS IN

OFFER

18b. SUBMIT INVOICES TO ADDRESS SHOWN IN BLOCK 18a UNLESS BLOCK

BELOW IS CHECKED

REQUEST

FOR QUOTE

(RFQ)

INVITATION

FOR BID

(IFB)

REQUEST

FOR

PROPOSAL

(RFP)

SEE ADDENDUM

19.

ITEM NO.

20.

SCHEDULE OF SUPPLIES/SERVICES

21.

QUANTITY

22.

UNIT

23.

UNIT PRICE

24.

AMOUNT

(Use Reverse and/or Attach Additional Sheets as Necessary)

25. ACCOUNTING AND APPROPRIATION DATA 26. TOTAL AWARD AMOUNT (For Government Use Only)

28. CONTRACTOR IS REQUIRED TO SIGN THIS DOCUMENT AND RETURN 29. AWARD OF CONTRACT: REFERENCE

. YOUR OFFER ON SOLICITATION

(BLOCK 5), INCLUDING ANY ADDITIONS OR CHANGES WHICH ARE

SET FORTH HEREIN, IS ACCEPTED AS TO ITEMS:

30a. SIGNATURE OF OFFEROR/CONTRACTOR

30b. NAME AND TITLE OF SIGNER (Type or print) 30c. DATE SIGNED

31a. UNITED STATES OF AMERICA (SIGNATURE OF CONTRACTING OFFICER)

31b. NAME OF CONTRACTING OFFICER (Type or print) 31c. DATE SIGNED

AUTHORIZED FOR LOCAL REPRODUCTION

PREVIOUS EDITION IS NOT USABLE

STANDARD FORM 1449 (REV. 11/2021)

Prescribed by GSA - FAR (48 CFR) 53.212

10. THIS ACQUISITION IS UNRESTRICTED OR

NORTH AMERICAN

INDUSTRY CLASSIFICATION

STANDARD (NAICS):

SIZE STANDARD:

13a. THIS CONTRACT IS A

RATED ORDER UNDER

THE DEFENSE PRIORITIES

AND ALLOCATIONS

SYSTEM - DPAS (15 CFR 700)

SET ASIDE: % FOR:

11. DELIVERY FOR FREE ON

BOARD (FOB) DESTINATION

UNLESS BLOCK IS MARKED

SEE SCHEDULE

12. DISCOUNT TERMS

ARE ARE NOT ATTACHED

ARE ARE NOT ATTACHED

27a. SOLICITATION INCORPORATES BY REFERENCE (FEDERAL ACQUISITION REGULATION) FAR 52.212-1, 52.212-4.

FAR 52.212-3 AND 52.212-5 ARE ATTACHED.

27b. CONTRACT/PURCHASE ORDER INCORPORATES BY REFERENCE FAR 52.212-4. FAR 52.212-5 IS ATTACHED.

8(A)

ECONOMICALLY

DISADVANTAGED

WOMEN-OWNED SMALL

BUSINESS (EDWOSB)

SERVICE-DISABLED

VETERAN-OWNED

SMALL BUSINESS

(SDVOSB)

HUBZONE SMALL

BUSINESS

SMALL BUSINESS

NOTE: OFFEROR TO COMPLETE BLOCKS 12, 17, 23, 24, AND 30.

COPIES TO ISSUING OFFICE. CONTRACTOR AGREES TO FURNISH

AND DELIVER ALL ITEMS SET FORTH OR OTHERWISE IDENTIFIED ABOVE AND

ON ANY ADDITIONAL SHEETS SUBJECT TO THE TERMS AND CONDITIONS

SPECIFIED

DATED.

OFFER

ADDENDA

ADDENDA

140R4026Q0070

See Schedule See Schedule

Bureau of Reclamation Upper Colorado Region Regional Office 125 South State Street, Room 8100 Salt Lake City UT 84138

06/30/2026 1700 MS

0044039721

Michelle Romine 4062477656

R40 100.00

R40

Brittney Murphy

333914

05/29/2026

0011285744

ADMINISTERED BY:

Bureau of Reclamation

Upper Colorado Region

Regional Office

125 South State Street, Room 8100

Salt Lake City UT 84138 US

Continued...

STOCK RECORD (S/R)

STANDARD FORM 1449 (REV. 11/2021) BACK

19.

ITEM NO.

20.

SCHEDULE OF SUPPLIES/SERVICES

21.

QUANTITY

22.

UNIT

23.

UNIT PRICE

24.

AMOUNT

32a. QUANTITY IN COLUMN 21 HAS BEEN

RECEIVED INSPECTED AND CONFORMS TO THE CONTRACT, EXCEPT AS NOTED:

41a. I CERTIFY THIS ACCOUNT IS CORRECT AND PROPER FOR PAYMENT

32b. SIGNATURE OF AUTHORIZED GOVERNMENT

REPRESENTATIVE

32c. DATE

41b. SIGNATURE AND TITLE OF CERTIFYING OFFICER 41c. DATE

42a. RECEIVED BY (Print)

42b. RECEIVED AT (Location)

42c. DATE RECEIVED (MM/DD/YYYY) 42d. TOTAL CONTAINERS

40. PAID BY

32d. PRINTED NAME AND TITLE OF AUTHORIZED GOVERNMENT

REPRESENTATIVE

32e. MAILING ADDRESS OF AUTHORIZED GOVERNMENT REPRESENTATIVE 32f. TELEPHONE NUMBER OF AUTHORIZED GOVERNMENT REPRESENTATIVE

32g. EMAIL OF AUTHORIZED GOVERNMENT REPRESENTATIVE

33. SHIP NUMBER 34. VOUCHER NUMBER 35. AMOUNT VERIFIED

CORRECT FOR

PARTIAL FINAL

37. CHECK NUMBER

38. S/R ACCOUNT NUMBER 39. S/R VOUCHER NUMBER

36. PAYMENT

COMPLETE PARTIAL FINAL

ACCEPTED,

DELIVER TO:

Bureau of Reclamation-DO

Building 67, Entrance E3, Room 165

6th Avenue & Kipling Street

Denver Federal Center

Denver CO 80225-0007 US

Low Ambient Pressure Chamber Facility (LAPC) pump unit replacement.

Period of Performance: 06/01/2027 to

05/31/2028

00010 Removal and Disposal

Product/Service Code: P100

Product/Service Description: SALVAGE-

PREPARATION

AND DISPOSAL OF EXCESS/SURPLUS PROPERTY

Delivery: 07/01/2027

Period of Performance: 07/01/2027 to

07/01/2027

00020 1 EAFurnish 100 hp pumping unit (pump/motor)

Product/Service Code: 3835

Product/Service Description: PETROLEUM

PRODUCTION

AND DISTRIBUTION EQUIPMENT

Delivery: 07/01/2027

Continued...

CONTINUATION SHEET

REFERENCE NO. OF DOCUMENT BEING CONTINUED PAGES

NAME OF OFFEROR OR CONTRACTOR

SUPPLIES/SERVICES

(B)

UNIT

(D)

UNIT PRICE

(E)

AMOUNT

(F)

OPTIONAL FORM 336 (4-86)

Sponsored by GSA FAR (48 CFR) 53.110

ITEM NO.

(A)

QUANTITY

(C)

NSN 7540-01-152-8067

140R4026Q0070

00030 1 EAFurnish 100 hp variable frequency drive

Product/Service Code: 3835

Product/Service Description: PETROLEUM

PRODUCTION

AND DISTRIBUTION EQUIPMENT

Delivery: 07/01/2027

00040 Installation

Product/Service Code: N099

Product/Service Description: INSTALLATION OF

EQUIPMENT- MISCELLANEOUS

Delivery: 07/01/2027

Period of Performance: 07/01/2027 to

07/01/2027

00050 Shipping

Product/Service Code: V119

Product/Service Description:

TRANSPORTATION/TRAVEL/RELOCATION-

TRANSPORTATION:

OTHER

Delivery: 07/01/2026

Period of Performance: 07/01/2026 to

07/01/2026

United States Department of the Interior

BUREAU OF RECLAMATION

125 South State Street, Room 8100 Salt Lake City, UT 84138-1102

Combined Synopsis/Solicitation

Solicitation Number: 140R4026Q0070

Notice Type: Combined Synopsis/Solicitation

NAICS Code: 333914 - Measuring, Dispensing, and Other Pumping Equipment Manufacturing

Small Business Size Standard: 750 employees

Set-Aside: Total Small Business

Issuing Office: U.S. Department of the Interior, Bureau of Reclamation, Upper Colorado Regional Office, Technical Service Center, Denver Federal Center, Hydraulics Laboratory

Date of Publication: May 25, 2026

Response Due Date: June 30, 2026 @ 7:00 pm Mountain Time

Description:

This is a combined synopsis/solicitation for commercial products or commercial services prepared in accordance with FAR Part 12. This announcement constitutes the only solicitation;

offers are being requested, and a separate written solicitation will not be issued.

Solicitation number 140R4026Q0070 is issued as a request for quotation (RFQ) for the Low Ambient Pressure Chamber (LAPC) pump unit replacement.

The Bureau of Reclamation’s Hydraulics Laboratory requires a Contractor to remove, furnish, and install a replacement pump unit, motor, and variable frequency drive (VFD) for the LAPC facility. The existing equipment has exceeded its service life, and modern replacements are required to maintain capability for cavitation research. Work includes removal and disposal of old equipment, furnishing a 100-hp pumping unit and VFD, installation, electrical work, safety compliance, commissioning, and all associated submittals and documentation.

This acquisition is set-aside for small business concerns. This solicitation incorporates provisions and clauses by reference. The full text of provisions and clauses may be accessed electronically at www.acquisition.gov.

http://www.acquisition.gov/

All responsible small business sources that believe they have the capability to meet this need may submit a quotation along with business profile electronically to Michelle Romine at michelle_romine@ios.doi.gov by 7:00 PM MT, Tuesday, June 30, 2026, which shall be considered by the agency. Any information received will be treated as market research information for future same or similar requirements.

The Government will not reimburse any costs associated with responding to this combined synopsis/solicitation. This notice shall not be construed as a commitment by the Government to ultimately award a contract, nor does it restrict the Government to a particular acquisition approach. A determination by the Government not to award this proposed contract action, based on the responses to this notice, is at the discretion of the Government.

Statement of Work/Specification:

1. Background:

The LAPC is a unique research facility used to simulate cavitation conditions relevant to dam structures. The current pump is a 14-inch horizontal split-case pump manufactured by Warren Pumps, paired with a 100-hp DC motor controlled by an obsolete StanDrive Plus system. A modern system is required to maintain operational flexibility and flow capabilities up to 4,500 gallons per minute (gpm).

2. Scope of Work:

The Contractor shall provide all labor, materials, equipment, and expertise necessary to complete the following CLIN-based work (detailed in the SOW):

CLIN 010 – Removal and Disposal – Cannot occur until June 1, 2027

• Verify all existing equipment dimensions

• Provide Safety Plan (JHA, barriers, access control)

• Uninstall and dispose of existing pump, motor, StanDrive Plus control system, disconnect switch, and emergency stop

CLIN 020 – Furnish Pumping Unit – May be furnished any time prior to installation, but cannot be removed or installed until June 1, 2027

• One (1) 100-hp pumping unit meeting requirements of 33 12 73 – Horizontal Centrifugal Pumping Unit or approved equal.

• Recommended pump manufacturers: Goulds, Flowserve, Ruhrpumpen

• Recommended motor manufacturers: U.S. Motors, Baldor, WEG

CLIN 030 – Furnish VFD - May be furnished any time prior to installation, but cannot be removed or installed until June 1, 2027

• One (1) 100-hp VFD, Galt Model G540-03050UL-03 or equal, compatible with the new pumping unit.

CLIN 040 – Installation - Cannot occur until June 1, 2027

• Install pumping unit and VFD per specification 33 12 73

• Complete all electrical work and connections to VFD

• Provide lifting/rigging equipment; coordinate with lab staff

• Minimize disruption to Hydraulics Lab operations

For the complete scope of work, see the attached Statement of Work, and 33 12 73 – Horizontal Centrifugal Pumping Unit supporting documentation.

3. Quality Requirements:

The Government expects the contractor to use its existing quality assurance system to ensure products and services meet the requirements of this solicitation. Commercial warranties will be taken advantage of to the maximum extent practicable.

4. Deliverables

Deliverables shall include, but are not limited to (full list in SOW):

• Removal & Disposal Plan

• Safety Plan

• Existing Equipment Measurements & Verification

• Installation Plan (pump, motor, VFD, electrical)

• Commissioning Plan & Commissioning Report

• Manufacturer technical data, datasheets, drawings, pump curves

• VFD wiring diagrams, layout, nameplate lists, bill of materials

• Operations & Maintenance Manual

5. Delivery/Period of Performance: June 1, 2027, to May 31, 2028

• Date and Place of Delivery and Acceptance:

Bureau of Reclamation Denver Federal Center (6th Avenue and Kipling Street) Building 56 – Hydraulics Laboratory Denver, CO 80225

6. Information Sessions

Two optional vendor sessions will be held (dates TBD):

• One on-site visit at the Denver Federal Center, Building 56 (security procedures and directions included in the SOW) on June 10, 2026, starting at 10:00 am Mountain Time.

7. Work Hours

Normal work hours are Monday through Friday (except federal holidays) 7:30 a.m. to 4:00 p.m.

Hours outside of this window, or overtime, are not permitted without the express written consent of the Contracting Officer.

8. Security Requirements

All work will occur within secured federal facilities.

Contractor shall:

• Provide legal names for all personnel

• Undergo security checks and badge processing if work exceeds five days

• Comply with all access and safety procedures

Detailed security instructions are included in the SOW

9. Photos and Drawings of Existing Equipment

Referenced in the SOW on pages 5-11 and in Pump Mounting Detail supporting document

Contract Type:

The Government intends to award a firm-fixed-price contract.

Instructions to Offerors

1. Submission Requirements: Offers must be submitted electronically to the Contract Specialist, Michelle Romine, michelle_romine@ios.doi.gov by the response due date and time.

Late submissions will not be considered.

2. Proposal Content: At a minimum, your proposal must include the following:

• Technical Capability: A narrative demonstrating your ability to meet the requirements of the Statement of Work.

• Demonstrated capability to remove/install large pumping equipment

• Proposed pump/motor/VFD specifications meeting or exceeding SOW requirements

• Detailed installation approach and safety procedures

• Project schedule

• Evidence of past performance on similar industrial/mechanical installations

• Schedule B Pricing: A firm-fixed detailed price proposal for all line items on Schedule B attached. If the following Schedule B is not included in the package the contractor will be found to be non-responsive.

• Past Performance: Provide information on recent (within 5 years) and relevant contracts.

mailto:michelle_romine@ios.doi.gov

• Representations and Certifications: A statement confirming that you have completed all applicable representations and certifications in the System for Award Management (SAM) at SAM.gov. Offerors must be registered in SAM at the time of award.

Evaluation and Award:

The Government will award a purchase order to the responsible offeror whose offer, conforming to the solicitation, is most advantageous to the Government, considering the following factors:

• Technical Capability – Compliance with pump, motor, and VFD requirements

• Past Performance – Relevant experience with similar projects

• Management & Safety Approach – Quality of JHA, safety planning, coordination strategy

• Price – Reasonableness and completeness of Schedule B pricing

• Schedule Feasibility – Work may not begin until June 1, 2027, Parts may be acquired and delivered at anytime prior to this date.

The technical capability, past performance and safety factors, when combined, are more important than price. The Government reserves the right to make an award without discussions.

Contact Information:

Primary Point of Contact: Michelle Romine

Title: Contract Specialist

Email: michelle_romine@ios.doi.ogv

Attachments

Attachment 1: Statement of Work (SOW) – LPAC pump unit replacement

Attachment 2: Supporting Document - 33 12 73 – Horizontal Centrifugal Pumping Unit

Attachment 3: Supporting Document – Pump Mounting Detail

Attachment 4: Schedule B mailto:michelle_romine@ios.doi.ogv

STATEMENT OF WORK

Low Ambient Pressure Chamber Pump Unit Replacement

1. Introduction – The Bureau of Reclamation’s Hydraulics Laboratory utilizes a Low Ambient Pressure Chamber (LAPC) facility to conduct cavitation research experiments for dams and related structures and equipment. It is a unique facility that allows real-world cavitation conditions to be applied within a laboratory experiment. Existing equipment has passed its expected service life and needs to be replaced. This project involves procuring, delivering, and installing a pump, motor, and variable frequency drive, and providing electrical connection, and disposing of old equipment.

2. Definitions –

i. CLIN: Contract Line Item Number

ii. Pumping Unit: Pump and Motor

iii. TDH: Total Dynamic Head

iv. VFD: Variable Frequency Drive

3. Background – The existing pump is a 14-inch horizontal split case pump manufactured by

Warren Pumps Inc. The existing motor is a 100 hp direct current motor manufactured by Westinghouse that is controlled by a StanDrive Plus system to vary the motor speed. Photos and dimensions of existing equipment are shown in Section 11.

As currently operated, the pump is used infrequently and for short periods of time.

Operational flexibility, the pump’s ability to produce a range of flow values up to 4,500 gpm, is the most important operating criteria to be maintained when replacing the existing pump.

4. Scope of Work by CLIN –

a. CLIN 010 – Removal and Disposal

i. As-found conditions:

1. Contractor is responsible for verifying all existing equipment and dimensions prior to removal and procurement of new equipment.

2. All measurements in this Statement of Work are approximate.

ii. Safety Plan:

1. Job Hazard Analysis.

2. Work area designations.

3. Safety barriers.

4. Personal Protective Equipment.

iii. Pumping Unit:

1. Contractor must uninstall, remove, and dispose of existing pumping unit.

iv. Electrical Unit:

1. Contractor must uninstall existing DC Speed Control system, AC disconnect switch and emergency stop switch.

b. CLIN 020 – Furnish Pumping Unit

i. One (1) 100 hp Pumping Unit

1. Pump:

a. Modern equivalent model of Warren Pumps Size 14 DLB Double-Suction Horizontal Split-Case Pump, meeting the requirements of 33 12 73 – Horizontal Centrifugal Pumping Unit, or approved equal.

i. Recommended manufacturers:

1. Goulds;

2. Flowserve;

3. Ruhrpumpen;

4. or equivalent.

2. Motor:

a. Recommended manufacturers:

i. U.S. Motors;

ii. Baldor;

iii. WEG;

iv. or equivalent.

i. CLIN 030 – Furnish VFD

a) One (1) 100 hp VFD for the horizontal split-case pumping unit – Galt Model G540-03050UL-03 or approved equal.

b) Refer to Attachment: 33 12 73 – Horizontal Centrifugal Pumping Unit.

ii. CLIN 040 – Installation

a) Contractor is responsible for installation of pumping unit and VFD per

Attachment 33 12 73 – Horizontal Centrifugal Pumping Unit.

b) Contractor is responsible for all electrical connections. Motor must be wired to the associated VFD.

c) Contractor is responsible for all lifting and handling, including any equipment necessary to remove and install pumping unit.

d) Contractor must coordinate with Hydraulics Laboratory staff on a Job

Hazard Analysis and provide safety barriers to restrict access to work areas.

e) Contractor must coordinate with the Hydraulics Laboratory staff to minimize disruption of ongoing work in the laboratory during removal and installation of the new pumping unit.

5. Deliverables –

i. Removal and Disposal Plan

ii. Safety Plan

iii. Existing Equipment Measurements and Verifications

iv. Installation Plan, to include, but not limited to:

a) Pumping Unit: Refer to 33 12 73 – Horizontal Centrifugal Pumping Unit

b) VFD

c) Electrical

v. Commissioning Plan and Report

a) Refer to 33 12 73 – Horizontal Centrifugal Pumping Unit

vi. Pumping Unit Documentation

a) Calculations and Drawing

b) Manufacturer’s Technical Data

1. Pump and Motor Datasheets

c) Variable Speed Pump Curves

vii. VFD Documentation

a) Manufacturer’s Technical Data.

1. VFD Datasheets

b) Schematic diagram, wiring diagram, equipment layout, nameplate list, and bill of materials.

viii. Operations and Maintenance Manual

a) Pumping Unit: Refer to 33 12 73 – Horizontal Centrifugal Pumping Unit

6. Information Sessions

i. One 1-hour virtual presentation will be conducted via Microsoft Teams. A general overview of the site, equipment to be replaced, and work to be performed will be presented. This presentation will be scheduled TBD.

ii. One 1-hour on-site visit will be held at Bureau of Reclamation’s Hydraulics Lab at the Denver Federal Center in Denver, CO. This visit will provide vendors the opportunity to see the site and equipment in person, take measurements as needed, and ask clarifying questions. This site visit will be scheduled TBD.

Directions and information to the Hydraulics Laboratory:

• The Denver Federal Center is a secured campus and visitors will need to go through two security check points. The first will be at the Denver Federal Center Gate 1 Entrance in Denver, CO. Each individual will need a government issued photo ID (i.e., REAL ID driver license or passport). No weapons are permitted on campus.

• Visitors will continue to Building 56 on the Denver Federal Center.

o Continue on Main street o Turn right on 6th Street o Building 56 is on the right side of the street. Park anywhere near the building.

• Enter the lobby of Building 56 and show your ID to receive a visitors’ badge.

• Erin Connor, Contracting Officer’s Representative and/or Josh Mortensen, Technical

Point of Contact, will meet vendors in the lobby of Building 56.

• Visitors should plan on arriving a few minutes early as we will start promptly at the designated times.

7. Place of Performance –

Bureau of Reclamation Denver Federal Center (6th Avenue and Kipling Street) Building 56 – Hydraulics Laboratory Denver, CO 80225

8. Period of Performance –Twelve (12) months after award.

9. Work Hours - Normal work hours are Monday through Friday (except federal holidays) 7:30 a.m. to 4:00 p.m. Hours outside of this window, or overtime, are not permitted without the express written consent of the Contracting Officer.

10. Security - All service locations under this contract are within secured areas. The Contracting

Officers Representative (COR) shall arrange for Contractor’s entry into such areas and inform Contractor of security procedures. Contractor shall comply with all security procedures. Contractor shall supply Reclamation with the legal names of all employees who will be working under this contract. Reclamation reserves the right to perform security checks on such employees. If, in the judgment of Reclamation, any employee fails to meet minimum security requirements or proves to be detrimental to the security of Reclamation’s facilities, Contractor, upon request, shall remove such employee from any work under this contract. If on-site work is expected to extend beyond 5 working days, the contractor must promptly begin the badging process at the time of notice to proceed including a background investigation and fingerprinting. Please allow a minimum of 30 days to complete the badging process. Extensions will be granted for unforeseen conditions and other factors outside of the contractor’s control at the Contracting Officer’s discretion.

11. Photos and Drawings of Existing Equipment

Figure 1. Nameplate of existing 100 hp motor to be replaced.

Figure 2. Nameplate of existing 4,500 gpm pump to be replaced.

Figure 3. Low Ambient Pressure Chamber facility with horizontal pump and motor shown below the chamber.

Figure 4. Photograph of existing 4,500 gpm pump and piping connections.

Figure 5. 4,500 gpm pump to be replaced with approximate dimensions of space constraints beneath the chamber.

Mortensen, Joshua D @Bishop, Andrew J let me know if more information is needed here and in Fig 6.

Figure 6. Pump and 100 hp motor to be replaced with the approximate distance from the centerline of the pump piping connections to the back wall.

Figure 7. Approximate width dimension of the existing base plate.

Figure 8. Approximate length dimension of the existing base and mid span support.

Figure 9. The StanDrive Plus DC motor controller cabinet mounted to the wall near the pumping unit next to the 480V disconnect to be replaced.

Hydraulic Laboratory Improvements Low Ambient Pressure Chamber Pump Unit Replacement Solicitation No.

Horizontal Centrifugal Pumping Units

33 12 73 - 1

SECTION 33 12 73

HORIZONTAL CENTRIFUGAL PUMPING UNIT

PART 1 GENERAL

1.01 REFERENCE STANDARDS

A. American Bearing Manufacturers Association (ABMA)

1. ABMA 9-2015 (R2020) Load Ratings and Fatigue Life for

Ball Bearings

2. ABMA 11-2014 (R2020) Load Ratings and Fatigue Life for

Roller Bearings

B. American Society of Civil Engineers (ASCE)

1. ASCE 7-2022 Minimum Design

Loads for Buildings and Other Structures

C. American Society of Mechanical Engineers (ASME)

1. ASME BPVC-2025 Boiler and Pressure Vessel Code

2. ASME B16.5-2025 Pipe Flanges and Flanged Fittings –

NPS ½ Through NPS 24 Metric/Inch Standard

D. ASTM International (ASTM)

1. ASTM A 108/A 108M-2024 Steel Bar, Carbon and Alloy, Cold-Finished

2. ASTM A 536-2024 Ductile Iron Castings

3. ASTM A 48/A 48M-2022 Gray Iron Castings

4. ASTM B 148-2024 Aluminum-Bronze Sand Castings

5. ASTM B 505/B 505M-2023 Copper Alloy Continuous Castings

E. American Water Works Association (AWWA)

1. AWWA C207-2023 Steel Pipe Flanges for

Waterworks Service, Sizes 4 in. Through 144 in. (100 mm Through 3,600 mm)

F. American Welding Society (AWS)

1. AWS D1.1/D1.1M-2025 Structural Welding Code - Steel

G. Hydraulic Institute Standards (HI)

33 12 73 - 2

1. HI 9.1-9.5-2021 Pumps General Guidelines – for Materials, Sound Testing, and Decontamination

2. HI 9.6.1-2024 Rotodynamic Pumps - Guideline for NPSH Margin

3. HI 9.6.3-2024 Rotodynamic Pumps

– Guideline for Operating Regions

4. HI 9.6.4-2022 Rotodynamic Pumps

– for Vibration Measurements and Allowable Values

5. HI 9.8-2024 Rotodynamic Pumps -for Pump Intake Design

6. HI 14.1-14.2-2024 Rotodynamic Pumps - for Nomenclature and Definitions

7. HI 14.3-2024 Rotodynamic Pumps -for Design and Application

8. HI 14.4-2024 Rotodynamic Pumps -for Installation, Operation, and Maintenance

9. HI 14.6-2022 Rotodynamic Pumps -for Hydraulic Performance Acceptance Tests

H. International Electrotechnical Commission (IEC)

1. IEC 61800 Adjustable Speed

Electrical Power Drive Systems

I. Institute of Electrical And Electronics Engineers (IEEE)

1. IEEE 43-2013

Recommended Practice for Testing Insulation Resistance of Rotating Machinery

2. IEEE 112-2017 Test Procedure for Polyphase Induction Motors and Generators

3. IEEE 519-2022

Harmonic Control in Electric Power Systems

J. International Standard Organization (ISO)

1. ISO 1940/1-2003 Mechanical Vibration

K. National Electrical Manufacturers Association (NEMA)

33 12 73 - 3

1. NEMA ICS 7-2020 Industrial Control and Systems: Adjustable Speed Drives

2. NEMA KS 1-2013 Heavy Enclosed and Dead- Front Switches (600 Volts Maximum)

3. NEMA MG 1-2024 Motors and Generators (Includes Errata 2012)

4. NEMA IS 10033-2020 (R2025) Adjustable Speed Drives

L. Underwriters Lab (UL)

1. UL 508-2024 UL Standard for Safety Industrial Control

Equipment

M. National Fire Protection Association (NFPA)

1. NFPA 70-2023 National Electric Code

1.02 DEFINITIONS

A. Brinell hardness (BHN): A measure of the resistance to indentation of a material, as defined in ASTM E10.

B. NPSHa: Net Positive Suction Head Available.

C. NPSHr: Net Positive Suction Head Required.

D. Pumping Unit: Pump, motor, and baseplate.

E. RTD: Resistance Temperature Device.

F. TDH: Total Dynamic Head.

G. VFD: Variable Frequency Drive.

1.03 SYSTEM DESCRIPTION

A. Background:

1. The low ambient pump unit background is provided in the project Statement of

Work (SOW).

B. Design Requirements:

1. Horizontal-shaft, split-case, single-stage, double-suction centrifugal type pump, complete with accessories, piping, anchor bolt assemblies, tools, and spare parts, suitable for direct connection through a flexible coupling to a horizontal induction motor.

2. Design and construct pump in accordance with these specifications and HI 14.1- 14.4, 9.1-9.5, 9.6.1-9.6.4, 9.8, and 14.3.

33 12 73 - 4

3. Mount pump and motor on a common baseplate supplied by the pump manufacturer.

4. Weight of pumping unit rotating parts, including unbalanced hydraulic thrust of impeller, carried by the pump bearing.

5. Direction of rotation of the pumping unit, when facing the motor end of the pump, to be as listed in Table 33 12 73A – Performance Requirements.

6. Pumping unit to be suitable for indoor operation at elevation of 5,650-feet and with an ambient temperature of 104-degrees Fahrenheit.

7. Pump inlet and discharge flanges to be compatible with piping flanges and ASME B16.5.

8. Pump flange-to-flange distance not to exceed 54-inch.

9. Normal operating conditions:

a. Starting of the unit will be controlled from pump’s individual VFD.

10. Pumping unit shall be seismically restrained to meet ASCE 7 Chapter 13 –

Seismic Design Requirements for Nonstructural Components. Calculations should take into account all forces and loads including seismic that the pumping unit will be subjected to.

C. Performance Requirements:

1. Refer to Table 33 12 73A - Performance Requirements.

2. Operation of the pump at rated total head, shown in Table 33 12 73A –

Performance Requirements, to be within the preferred operating range (POR).

3. The efficiency of the pump when operating at rated total head shown in Table 33

12 73A - Performance Requirements not to be less than 80-percent for operating conditions.

4. Select pump with a head-capacity curve that has a continuously decreasing head with increasing capacity over the allowable operating range (AOR).

5. The pump minimum net positive suction head available (NPSHa) of approximately 33 feet shall exceed the pump net positive suction head required (NPSHr) for the pump by the amount of margin and margin ratio specified in HI 9.6.1.

Table 33 12 73A - Performance Requirements

Direction of

Rotation*

Motor

Capacity

(HP)

Unit rated capacity at rated total head (gpm)

Rated total head (feet)

CW 100 4,500 60

* Viewed from driver side.

33 12 73 - 5

1.04 DELIVERABLE REQUIREMENTS

A. The following are requirements for the applicable deliverables listed in the Statement of Work (SOW).

B. Datasheets:

1. Pump

a. Include commercial product data including manufacturer’s name, type, model, size, dimensions, weights, and materials of construction for each component.

b. Include total dynamic head versus flow curves, with head in feet and flow in gallons per minute (gpm). Power, efficiency, and net positive suction head required (NPSHr) are to be included on the same scale of flow, with power in horsepower and NPSHr in feet.

1) Include multiple curves at varying rotational speeds, in rpm.

2) Indicate POR and AOR on the pump curves, per HI 9.6.3.

c. Include impeller diameter, speed, and percentage of best efficiency point (BEP) at the rated point.

d. Include specific speed (Ns) and suction specific speed (Nss).

2. Motor

a. Catalog data, including complete identifying data giving manufacturer’s name, type, model, size and dimensions for:

1) Electrical terminal boxes.

2) Motor bearing temperature sensors and relays.

3) Winding temperature elements/sensors.

b. Assembly and sectional drawings with parts and materials lists, and component weights.

c. Motor outline drawings including thrust bearings and dimensioned location of terminal boxes.

d. Manufacturer’s recommended tightening torques for the motor mounting bolts.

e. Electrical, schematic, and wiring diagrams for motor and controls.

f. Description of motor insulation.

g. Idle (motor stopped) time required to cool from rated load temperature to ambient temperature. Running time, fully loaded, after two consecutive cold starts of motor before a third start may be initiated.

h. Nameplate data.

i. Factory motor test reports.

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3. Variable Frequency Drive

a. Manufacturer’s Technical Data.

b. Schematic diagram, wiring diagram, nameplate list, and bill of materials.

c. Factory test report.

4. Fused Disconnect Switch

a. Manufacturer’s technical data.

5. Cable

a. Manufacturer’s technical data.

C. Installation Plan:

1. Install pump and motor on a common baseplate.

a. In accordance with Drawing 40-D-6006.

2. Include manufacturer’s recommended tightening torques for the baseplate anchor bolts and pump and motor mounting bolts.

3. Include leveling and grouting of the baseplate to the foundation.

4. Include detailed installation and alignment procedures, per HI 14.4.

5. Include detailed schematic and wiring diagrams for Fused Disconnect Switch, VFD, Motor and Emergency Stop Switch.

D. Field Test Plan:

1. Provide a detailed pumping unit field test plan.

E. Operations and Maintenance Manual:

1. Operation and maintenance instructions, per HI 14.4, including tools and accessories for assembly and disassembly of the pump and associated components.

a. Include a maintenance schedule in tabular form.

F. Field Test Report:

1. Provide a report of tests which shall include:

a. Drawing showing specific locations of vibration probes and bearing temperature sensors.

b. Vibration analysis, noise level, shaft alignment and run-out measurements, pump and motor bearing temperatures, motor voltage and amperage, and motor stator temperature.

c. Presentation of vibration data in a summary form and as a comparison with specification requirements for allowable vibration limit.

d. Observations and equipment adjustments performed during testing.

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e. Detailed discussion and summary of conclusions drawn from vibration, motor bearing and winding temperature, and motor voltage and amperage data that was recorded.

f. Detailed summary of test results of VFD operation and SCADA control of VFD remote operation.

1.05 DELIVERY, STORAGE, AND HANDLING

A. Prevent damage to pumping unit components and associated equipment during loading, transportation, unloading, and storage.

B. Repair damage to the pumping unit and associated equipment as directed if, in the opinion of the Government, a satisfactory repair can be made; otherwise replace damaged pumping unit components and associated equipment.

C. Protect from corrosion, deformation and other types of damage.

1.06 QUALIFICATIONS

A. Pump Manufacturer Qualifications:

1. Provide documentation of similar pumping unit designed and manufactured with five (5) years of successful operation.

2. Provide the following information:

a. Manufacturing location city and state.

b. Customer names, addresses, telephone numbers, and names of projects.

c. Application type for each pumping unit.

d. Pump capacity, total head, rotational speed, impeller size, and working fluid.

B. Welding Qualifications:

1. Welding procedures, welders, and welding operators:

a. ASME BPVC Section IX, or,

b. AWS D1.1, or,

c. equivalent.

C. Pump and Motor Manufacturer Erection Engineer Qualifications:

1. Pump and motor erection engineer can be one and the same.

2. Minimum five (5) years of experience in the erection of pumping equipment, specifically pumps and motors, of similar size and type.

3. Provide a project list of recent related projects that the erection engineer was directly involved in.

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D. Millwright Qualifications:

1. Millwright qualifications to include a minimum five (5) years of experience installing rotating pumping equipment of similar scope and size.

2. Provide name, experience, and formal education of primary tradesman and assistants who will be performing the work.

3. Provide a project list of recent millwright related projects that the primary tradesman was directly involved in.

4. Provide a complete list of available precision levels and laser alignment tools used to perform work.

E. Electrician Qualifications:

1. Electrician qualifications to include a minimum of three (3) years of documented experience installing low voltage, as defined by NFPA 70, equipment of similar scope and size.

2. Journeyman electrician license with current completion of OSHA 10/30-hour training and NFPA 70 training.

F. Controls Technician Qualifications:

1. Controls technician qualifications to include minimum of five (5) years of documented experience with:

a. Crimson software, Red Lion PID Modules and protocols as well as

Gateway/Converter knowledge.

b. VFD commissioning and motor setup to include drive start-up, communications configuration and integration of PLC-PID modules.

1.07 EXTRA MATERIALS

A. Spare Parts:

1. Provide spare parts that are “new” and not refurbished and properly packaged for long-term storage.

2. Furnish spare parts that are interchangeable with and of the same materials and workmanship as corresponding original pump and motor parts.

3. Clearly mark or tag each part to identify size and type of pumping unit it is intended. Specifically identify with part unit number and specific part number.

4. Furnish the one set of the following spare parts for each different size pumping unit:

a. Gaskets, seals, as applicable.

b. Packing.

B. Special Tools:

33 12 73 - 9

1. Furnish one set of special tools required for assembly and disassembly of the pumping unit (pump and motor) and other appurtenances and accessories that may be required for assembling, installing, aligning, or dismantling part of the pump and to make the unit complete and ready for operation. (Special tools are considered to be those tools, which because of their limited use, are not normally available but which are necessary for the particular equipment.)

2. Furnish tools of high-grade, forged alloy, tool steel.

3. Furnish major parts of the pump with eyebolts, lugs, or lifting devices (i.e., lifting beam) to facilitate handling with a mobile crane. Lifting equipment to comply with performance standards.

PART 2 PRODUCTS

2.01 EPOXY GROUT

A. Three part flowable epoxy grout; resin, hardener, and aggregate filler:

1. CHOCKFAST RED manufactured by ITW Performance Polymers, 130

Commerce Drive, Montgomery PA; or equal, having the following essential characteristics:

a. ASTM C579 Compressive Strength: Minimum of 15,000 psi.

b. ASTM C579 Compressive Modulus: 2,000,000 psi.

c. ASTM D696 Coefficient of Linear Thermal Expansion:

1) 11.2 x 10-6 degrees F.

d. ASTM C580 Flexural Strength: Minimum 4,000 psi.

e. ASTM D638 Tensile Strength: Minimum 1,800 psi.

f. Service temperature: Up to 140 degrees F.

g. Pot life: Approximately 3 hours at 70 degrees F.

h. Shelf life: 2 years in dry storage.

B. Aggregate filler as recommended by manufacturer.

2.02 NAMEPLATES

A. General:

1. Black lettering.

2. Provide holes in each corner with screws for attachment to equipment.

B. Motor Nameplate Requirements:

1. Provide new nameplate to include the following information, at a minimum:

a. Contractor Name and Logo

33 12 73 - 10

b. Installed Year

c. Model Number

d. Serial Number

e. Frame Size

f. Horsepower

g. Voltage, Amperage, Frequency (Hertz)

h. Number of Poles

i. Service Factor

j. Number of Phases

k. Speed (rotations per minute)

C. Pump Nameplate Requirements:

1. Provide new nameplate to include the following information, at a minimum:

a. Contractor Name and Logo

b. Installed Year

c. Model Number

d. Serial Number

e. Design TDH (feet)

f. Design Capacity (gpm)

g. Impeller Diameter (inches)

h. Speed (rpm)

D. VFD Nameplate Requirements:

1. Provide new nameplate to include the following information, at a minimum:

a. Contractor Name and Logo

b. Installed Year

c. Model Number

d. Serial Number

e. Input Voltage, Current, Frequency

f. Output Voltage, Current, Frequency

g. Rated Motor HP

h. Overload Capacity

33 12 73 - 11

2.03 HORIZONTAL CENTRIFUGAL PUMPING UNITS

A. Pump:

1. Casing:

a. Provide cast iron or ductile iron casing construction.

b. Double suction type.

c. Design to produce smooth flow with gradual changes in velocity.

d. Split on the horizontal centerline, with suction and discharge connections cast integral with the lower half.

e. Suction and discharge connections to be faced and drilled to conform to

AWWA C207.

f. Design for easy removal of impeller and bearings.

g. Provide with casing wearing ring of aluminum bronze material. Brinell hardness to be at least 100 BHN less than the impeller Brinell hardness.

h. Provide suitable drilled and tapped holes for air release valve and drain connections.

1) Provide a standard NPT tapped hole at top of casing for installation of an air release valve.

2) Locate drains such that the casing can be completely unwatered.

i. Casing construction to permit pump to be readily assembled and dismantled.

j. Inspect castings thoroughly. Ensure that surfaces of vanes used to direct water flow through the suction case and pump bowl are as smooth as practicable and free of blow holes, chilled areas, slag, or foreign matter.

Repair or reject defective castings.

2. Impeller:

a. Enclosed type and made in one piece entirely of stainless-steel material with integral wear ring surfaces.

b. Securely fastened to shaft in such a manner as to make it readily removable.

c. Wearing rings shrink-fit to the impeller, utilizing an interference fit of

0.0005-inch per inch of ring inside diameter.

d. Radial clearances between rotating and stationary wearing rings to be as small as possible consistent with safe operation and with the clearances required in the pump guide bearings.

e. Hand-finish impeller water passages to remove rough spots and excessive irregularities.

33 12 73 - 12

f. Statically and dynamically balance rotating parts to prevent whipping and vibration throughout operating range from shutoff head to run out.

g. Balance in accordance with ISO-1940/1-(E) to a balance quality grade of at least G6.3.

1) Balance to pump manufacturer's quality control standards provided the residual imbalance during operational field testing performed after installation at the job site does not exceed 1/2 the vibration limit established by HI 9.6.4.

h. Inspect castings thoroughly. Ensure that surfaces of hub and blades are as smooth as practicable and free of blow holes, chilled areas, slag, or foreign matter. Repair or reject defective castings.

3. Shaft:

a. Provide stainless-steel shaft construction.

b. Provide a shaft of sufficient size to operate without objectionable distortion or vibration at maximum speed in both the forward and reverse directions.

1) Size shaft to prevent torsional and flexural deflection which could cause whipping and vibration under condition.

2) Shaft first critical speed to be at least 125-percent of operating speed.

c. Provide with removable and renewable shaft sleeves where it passes through the stuffing boxes and water passages.

1) Gasketed to prevent water being pumped from contacting shaft.

2) Secured in place for both directions of pump rotation.

3) Made of stainless steel.

d. Provide water deflectors on shaft to prevent water from passing along shaft and entering pump bearings.

4. Packing Gland:

a. Suitable for the appropriate packing material and amount of packing rings necessary.

b. Appropriately sized for the shaft and any interfacing components.

c. Temperature rise, expected with extended operation, in the packing and shaft to not exceed an amount that would cause damage to components.

d. Design leakage rate to be between a steady drip and small stream.

5. Coupling and Guard:

a. Connect pump and motor shafts with a metal gear-type or disc-type, flexible coupling to compensate for parallel offset and angular misalignment.

33 12 73 - 13

b. Flexible coupling to be the heavy-duty type sized for 1.5 times the motor horsepower nameplate rating.

c. Provide an all-metal OSHA-approved coupling guard that is removable and supported from the baseplate with stainless steel bolts and nuts.

6. Pump Bearings:

a. Support pump shaft by two bearings of suitable design with one located on each side of the impeller.

b. Removable in the field without damage to the bearings or shaft.

1) Bearings requiring application of heat for removal not acceptable.

2) Provide detailed procedure for removal of bearings in installation, operation, and maintenance instructions.

c. One bearing to be of the thrust type designed to carry the unbalanced hydraulic thrust the pump might develop.

d. Bearings to be grease-lubricated, ball- or roller-bearing type.

e. Connections for grease-lubricated bearings to be button-head type.

f. Bearings to not require external cooling.

g. Design bearings for minimum L10 life of 5 years in accordance with

ABMA 9 or 11.

h. Provide neoprene seals with the bearings to prevent loss of lubrication and entrance of moisture and dirt.

1) Labyrinth seals not acceptable.

7. Baseplate:

a. Designed to accommodate the anchorage design according to Drawing 40-

D-6006.

b. Provide pumping unit with a structural steel baseplate supplied by the pump manufacturer.

c. Mount pump and motor on a common baseplate with separate mounting plates attached to baseplate for the pump and the motor.

d. Provide with suitable lifting lugs properly located to maintain a balanced load when handling the pump.

e. Sufficient size and rigidity to maintain the pump and motor in proper alignment and position without the benefit of epoxy grout, when subjected to the stresses imposed by normal operation, when pump dead headed, or during reverse flow following emergency shutdown.

f. Machine contact surfaces between the pump and mounting plate on the baseplate and between the motor and mounting plate on the baseplate to within 0.002-inch of true flat, level to 0.002-inch per linear foot.

1) No welding after final machining.

33 12 73 - 14

g. Transmit the loads from the baseplate to the concrete structure.

h. Provide with standard NPT threaded drain connections and grout holes.

i. Shaft offset and angularity between the pump and motor not to exceed coupling manufacturers’ recommendations.

2.04 MOTOR

A. Type: Horizontal, induction squirrel-cage designed for duties specified.

B. Nameplate Ratings:

1. Voltage: 480, 3-phase, 60-hertz.

2. Duty: Continuous.

a. Capable of continuous operation under full load across the VFDs operational speed range.

3. Service factor: 1.15 minimum.

4. RPM: Motor speed shall meet pump speed requirement.

C. Service Conditions:

1. See Section 1.03, B, 6.

D. Enclosure: Totally-enclosed, fan cooled (TEFC).

E. Horsepower Rating: Sufficient to carry continuously the maximum possible pump load developed under specified conditions without benefit of service factor. Horsepower rating to meet Table 33 12 73A listed application values.

F. Temperature Rise:

1. Armature winding: Not to exceed 105 degrees Celsius when measured by resistance.

2. Other motor parts: In accordance with NEMA MG 1.

G. Starting Method: The motor shall be started and controlled via a Variable Frequency Drive (VFD).

H. Starting Capability:

1. Number of starts: Two starts in succession (coasting to rest between starts) with motor initially at ambient temperature or one start with motor initially at a temperature not exceeding its rated load operating temperature.

2. Estimated maximum number of starts per day: 8.

I. Nameplate Marking: As listed in NEMA MG 1 for alternating-current polyphase squirrel-cage motors.

33 12 73 - 15

J. Stator:

1. Stranded copper conductors.

2. Insulation: Class F.

3. Coils completely sealed and moisture-tight.

4. Winding configuration: Manufacturer’s standard wye.

5. Completed winding subjected to two vacuum pressure impregnations in a solventless epoxy resin.

K. Rotor: Squirrel-cage windings of suitable impedance for starting under specified conditions.

L. Bearings:

1. Motor shall be equipped with premium-quality deep groove ball bearings suitable for continuous-duty operation.

2. To mitigate VFD-induced bearing currents:

a. The non-drive end bearing shall be electronically insulated (ceramic-coated or hybrid ceramic).

b. The drive end shall include a shaft grounding ring.

3. Bearing shall be greaseable with Zerk fittings.

M. Indicating and Protective Devices:

1. Resistance Temperature Detector (RTD): 100 ohm, platinum, 3-wire.

2. Location:

a. Two (2) RTDs per phase, located in stator slots between coil sides.

b. One (1) RTD for each motor bearing.

3. Provide oil sight glass for oil lubricated bearings.

N. Main Lead Terminal Box:

1. Size: Oversized and suitable for terminating main leads with stress cones.

2. Provide clamp-type ground lug suitable for connecting conductor shields inside terminal box.

3. Manufacturer’s standard cover with gasket.

4. NEMA 4X rated.

O. Low-Voltage Terminal Box:

1. Size: Suitable for terminating leads from indicating and protective devices, and motor accessories.

33 12 73 - 16

2. Provide terminal blocks for terminating indicating and protective devices, and motor accessories.

3. Manufacturer’s standard cover with gasket.

4. Provide with back panel for mounting terminal blocks.

5. NEMA 4X rated.

P. Accessories:

1. Grounding Provisions: Provide pad with drilled and tapped bolt holes on motor enclosure. Pad to be machined flat and left unpainted.

2. Provide means for lifting the entire pumping unit and/or individual components.

This will entail below-the-hook devices required to lift these components. Lifting eyes attached to motor housing that are suitable for attaching slings for lifting with a crane. Lifting hooks or similar devices are not acceptable.

3. Wire Markers:

a. Type: Machine-printable, self-laminating label or tubular heat-shrink sleeve label.

b. Color: White.

2.05 VARIABLE FREQUENCY DRIVE (VFD)

A. Ratings:

B. VFD model or equal: Galt Electric G540-03050UL-03 Series Normal Duty.

1. Derate for operating elevation listed in Section 1.03, B, 6.

a. Rated for operating 100 HP Motor.

b. Voltage: 480V, 3-phase.

2. Provide suitable NEMA-rated control cabinet.

C. Standards:

1. Conform to IEC 61800, IEEE 519, NEMA IS 10033 and NFPA 70.

2. UL 508 Listed.

D. Functionality:

1. Start-up assistant.

2. Variable speed control with adjustable acceleration and deceleration ramps with up to seven preset speeds.

3. Automatic reset after power loss or fault.

4. Motor parameter tuning (auto-tune or manual entry).

5. PID Sleep function.

33 12 73 - 17

E. Operator Control Panel:

1. Graphical Display, keypad with keys for Hand, Off, and Auto.

2. Start/Stop Control.

3. Speed reference adjustment (via keypad).

4. Real-time display of:

a. Output Frequency (Hz).

b. Output voltage and current.

c. Motor status (running, stopped, faulted).

d. Fault and alarm codes.

5. Navigation buttons for parameter access and configuration.

6. Password protection for parameter changes.

F. Motor Protection Functions:

1. Overload protection (I²t-based).

2. Overtemperature protection via:

a. Motor RTD inputs.

3. Phase loss and imbalance detection.

4. Ground fault protection.

5. Short circuit protection.

6. Overvoltage and undervoltage protection.

7. Current limit and torque limit functions.

8. Stall protection.

G. Input/Output and Integration:

1. 6 Digital Inputs 12 to 24VDC.

2. 3 form C relay contact digital outputs.

3. 2 Analog inputs, selectable from 0-10V or 0/4-20mA.

4. 2 Analog Outputs 0/4-20mA.

2.06 FUSED DISCONNECT SWITCH

A. Rated for 100 HP Motors:

1. Max current: 300A.

2. Fuse size and type: 225A Dual Element

B. Requirements:

33 12 73 - 18

1. Flange-mounted fused, 3-pole, single-throw.

2. 480V.

3. Type HD (Heavy Duty).

4. Conform to NEMA KS 1.

5. Enclosure Type NEMA 4.

6. Lockable in open position.

7. Clearly labeled with motor and VFD identification.

2.07 EMERGENCY STOP (E-STOP) SWITCH

A. Mushroom-head, maintained-contact type (push-to-stop, twist-to-release).

B. Wired to the VFDs digital input configured for Safe Torque Off (STO) of Fault trip.

C. Enclosure type NEMA 4.

D. Labeled “Emergency Stop – Pump Motor”.

2.08 BREAKER AND CONDUCTOR RECONFIGURATION

A. 100 HP VFD and Motor:

1. Minimum Conductor Size Upstream of VFD: 2/0 AWG XHHW-2.

2. Minimum Conductor Size Downstream of VFD: 2/0 AWG XHHW-2, Shielded.

3. Minimum Ground Conductor Size: 6 AWG XHHW-2, insulation color or marked ground in accordance with NFPA 70.

4. Minimum Conduit Size: 2-1/2 inch Rigid Metal Conduit (RMC).

B. Emergency Stop:

1. Minimum Conductor Size: 14 AWG, shielded.

2. Minimum Conduit Size: 1/2-inch Rigid Metal Conduit (RMC).

2.09…