a04_WRRA_HQ_Well_SOW_1_0001.pdf

Statement of Work

STATEMENT OF WORK

Headquarters Well Pump Pull and Replace

Wild Rivers Recreation Area Well Bureau of Land Management, Taos Field Office

1. Scope of Work The Bureau of Land Management (BLM) Taos Field Office requires removal and replacement of the existing submersible well pump and motor, and associated appurtenances, serving the water well at the Wild Rivers Recreation Area. The well is located at 1120 NM 378, Questa, New Mexico 87556, Point of Diversion Number RG 17986.

The Contractor shall pull the following existing components:

• Submersible well pump and motor

• Drop pipe

• Electrical cable and wiring

• Control box and associated appurtenances

After removal, the Contractor shall perform the diagnostic procedures described in Section 9.1, then furnish and install the following new components of like kind and equal or greater capability, in accordance with this Statement of Work:

• New submersible well pump and motor, 480 volt, three phase

• New three inch galvanized drop pipe

• New electrical cable

• New control box

• New associated well appurtenances

Any work, material, or repair identified during diagnosis or installation that falls outside the scope described in this Statement of Work shall be submitted in writing to the Contracting Officer for authorization before the work is performed. The Contractor shall not proceed with out of scope work without written authorization from the Contracting Officer.

2. Background The existing submersible well pump and motor, and associated appurtenances, serving the Wild Rivers Recreation Area have been identified through in house records and field observation as deficient and in need of replacement to maintain a reliable potable water supply for this public recreation site. In house records indicate a well depth of 540 feet below the top of casing, a well head elevation of 7,500 feet, a storage tank elevation of 7,728 feet, and a pump setting depth of approximately 530 feet. These figures are based on existing Government records and shall be field verified by the Contractor as part of the diagnostic work described in Section 9.1.

3. Definitions and Acronyms Term Definition

AFBMA Anti-Friction Bearing Manufacturers Association

AISI American Iron and Steel Institute

ANSI American National Standards Institute

ASTM American Society for Testing and Materials

BLM Bureau of Land Management

COR Contracting Officer's Representative

GPM Gallons per minute

NEMA National Electrical Manufacturers Association

NMAC New Mexico Administrative Code

NSF NSF International

POD Point of Diversion

RPM Revolutions per minute

T.O.C. Top of Casing

TDH Total Dynamic Head

4. Period of Performance The period of performance shall be 90 calendar days from the effective date of the contract or order, unless otherwise specified in the resulting contract or order.

5. Place of Performance All work shall be performed at the Wild Rivers Recreation Area well site, 1120 NM 378, Questa, New Mexico 87556, Point of Diversion Number RG 17986.

6. Government Furnished Property and Information The Government will not furnish property, materials, or equipment under this Statement of Work. The Government furnishes Attachment A, Site Photos, for the Contractor's reference and site familiarization only; it does not constitute a technical drawing or specification and does not relieve the Contractor of the obligation to field verify all conditions under Section 9.1. Attachment A reflects conditions observed on

July 14, 2026, and the Government makes no representation that conditions have not changed since that date. The Contractor shall furnish all other items and information necessary to perform the work described herein, as identified in Section 7.

7. Contractor Furnished Items The Contractor shall furnish all labor, materials, equipment, tools, transportation, and supervision necessary to perform the work described in this Statement of Work, including the new pump, motor, drop pipe, cable, control box, and all associated appurtenances.

8. Equipment and Material Specifications This section specifies the equipment and materials the Contractor shall furnish under this Statement of Work. The new pump, motor, drop pipe, cable, and control box shall meet or exceed the following specifications.

8.1 Performance Requirements

The new pump and motor shall be capable of producing 65 gallons per minute at approximately 688 feet of total dynamic head, and shall meet or exceed the following characteristics. These figures are based on in house records; the Contractor shall verify them in the field.

Characteristic Requirement

Liquid pumped Water

Well depth 540 feet below Top of Casing

Well head elevation 7,500 feet

Storage tank elevation 7,728 feet

Rated capacity 65 gallons per minute at approximately 688 feet Total Dynamic Head

Minimum pump efficiency at rated capacity 65 percent

The pump shall be electrically connected to, and operate in conjunction with, a control box with an electric float and switch, which the Contractor shall provide and install. The Contractor shall verify that the existing wiring between the float and switch is functional.

8.2 Pump Setting Depth

In house records identify the depth of pump setting from the Top of Casing as 530 feet. The pump shall be set at the same depth unless water measurements taken under Section 9.1 or the pump manufacturer's instructions indicate otherwise. If the water measurements or manufacturer's instructions indicate a setting depth other than 530 feet, the Contractor shall submit the proposed depth and supporting basis in writing to the Contracting Officer before installation and shall not install the pump at a depth other than 530 feet until written authorization is received from the Contracting Officer.

8.3 Pump Type and Materials

The pump shall be a new, submersible, deep well type unit with a submerged motor drive. The maximum diameter of the pump and motor shall be 6 inches, and the connection size outlet shall be 3-inch National Pipe Thread. The pump and impellers shall be stainless steel meeting or exceeding AISI 304. Referenced ASTM and ANSI numbers, types, and grades are typical of the material composition and quality required;

the Government will consider equivalent materials.

8.4 Pitless Adaptor

The existing pitless adaptor is an 8 inch inside diameter Baker Monitor Standard Industrial Pitless Unit, NSF 61 certified, and shall remain in place. Installation of the new pump and appurtenances at the pitless adaptor shall be performed per the manufacturer's instructions, and care shall be taken to protect the spool O rings.

8.5 Drop Pipe

The drop pipe shall be threaded and coupled, conforming to American Standard tapered pipe thread specifications, and made of galvanized metal conforming to ASTM A53 Schedule 40. The pipe shall be sized to match the pump outlet diameter, in accordance with the pump and motor manufacturer's recommendations. The Contractor shall confirm the sizing in writing with the Contracting Officer before procurement.

8.6 Submersible Cable

The submersible cable shall be sized to limit voltage drop to 5 percent at the motor terminals. Three separate conductors shall be furnished, each individually jacketed, or the conductors may be included in a single jacketed assembly. The conductor insulation shall be water and oil resistant and suitable for continuous immersion. The cable length furnished shall be sufficient to complete the installation, shall be supported from the column at intervals not exceeding 10 feet, and all cable fittings and terminals shall be watertight at the pressure encountered in this application.

8.7 Pump Motor

The pump motor and cable shall be the product of a manufacturer that has produced units of the same type, rating, and voltage required for this project within the last 5 years, and that have operated satisfactorily for at least 1 year. The pump motor shall conform to the following requirements.

Requirement Specification

Type AC, completely submersible

Rating 480 volt, 60 Hz, 3 phase

Material Stainless steel AISI 303 or better

Horsepower 20 horsepower, or as approved in writing by the Contracting Officer

Speed 3,600 RPM maximum

Loading Not in excess of nameplate rating at any operating condition

Duty cycle Continuous

Cooling medium Water

Takeoff shaft Stainless steel

Motor and thrust bearings 25,000 hour minimum life by AFBMA standards; thrust bearing rated for pump shutoff head during startup plus the weight of all rotating parts and the hydraulic thrust of the pump regardless of direction of rotation

Standard specification NEMA

Locked rotor current NEMA Code G maximum

Motor efficiency, all load conditions 65 percent minimum

8.8 Control Box

The control box shall be rated equally with the pump motor and equipped with a switch for the electrical float assembly. The control box shall be wired in accordance with National Electrical Code Articles 300 and 430 and 14.10.4 NMAC, and shall be equipped with a lightning arrestor.

9. Specific Tasks This section describes how the Contractor shall perform the work, using the equipment and materials specified in Section 8.

9.1 Removal and Diagnostic Inspection

The Contractor shall pull the existing submersible well pump and motor, drop pipe, wiring, control box, and appurtenances from the well. After removal, the Contractor shall inspect the casing and screen, measure the static water level, and measure the total well depth before installing new appurtenances.

The Contractor shall be responsible for removal of the existing pump and motor, drop pipe, wiring, control box, and appurtenances from the site and for their proper disposal in accordance with all applicable federal, state, and local requirements. No removed material shall be left on site.

9.2 Installation

Pump installation shall be performed in complete accordance with the pump and motor manufacturer's recommendations and standard industry practice for submersible pump installation. Existing site conditions, including the pumphouse, well casing and pad, and existing control box, are documented in Attachment A, Site Photos, for the Contractor's reference. Should conditions observed at the site conflict with a requirement stated in this Statement of Work, the Contractor shall notify the Contracting Officer in writing, and final approval authority rests solely with the Contracting Officer. The new pump shall be suspended at the current depth of the old pump, approximately 530 feet based on Government records, unless inspection under Section 9.1 indicates otherwise. The pump shall be positioned centrally in the casing without contact with the casing wall in its final position. The drop pipe shall be tightened and stress relieved, and a torque arrestor shall be installed above the pump and motor.

The Contractor shall handle the pump, pitless unit, and appurtenances carefully to avoid damage. If the pump and column are laid down, they shall be supported with blocks to prevent damage. The pump shall be installed via the drop pipe in accordance with the manufacturer's recommendations.

Three inch, no lead, brass, piston style, in line check valves shall be installed with the down pipe at intervals not exceeding 200 feet, with the first check valve immediately above the pump and the second within 25 feet of the pump.

The Contractor shall correct any evidence of pump or driver misalignment, noisy operation, or other signs of improper setting. Care during storage, installation, and lubrication shall be in strict accordance with the manufacturer's recommendations.

9.3 Field Testing

9.3.1 Functional Test

Before startup, all equipment described in this Statement of Work shall be inspected for proper alignment, quiet operation, proper connection, and satisfactory performance by means of a functional test.

9.3.2 Disinfection

The pumphouse is equipped with an existing chlorine injection system, shown in Attachment A. The Contractor shall coordinate with the COR to isolate or otherwise account for the existing chlorine injection system before performing the disinfection procedure described in this section, to prevent conflict between the two processes.

The Contractor shall prevent the entrance of dirt or other contamination into the well during pump installation. The pump bowls, column, and airline shall be thoroughly washed, first with clear water and then with a 50 part per million chlorine solution, immediately before being placed into the well. The inside of the well casing above the water surface shall also be thoroughly washed with the 50 part per million chlorine solution in a volume and strength sufficient to result in a concentration of at least 50 parts per million of free available chlorine throughout the well. The chlorine solution shall remain in the well for 24 hours after the pump is installed, after which the Contractor shall pump the chlorine out of the well and dispose of it properly.

9.3.3 Performance Test

Before acceptance of the installed pump, the Contractor shall demonstrate proper operation of the pump at the rated capacity and Total Dynamic Head specified in the performance requirements table in Section 8.1, within a tolerance of plus or minus 5 percent, recording total head, capacity, and horsepower requirements, and shall furnish all instruments and labor required for this procedure. A unit failing the performance test shall be realigned and retested. If the unit fails the second test, it shall be rejected, and the Contractor shall furnish a unit that performs as specified at no additional cost to the Government.

9.3.4 Test Logs

The Contractor shall submit a test log to the Contracting Officer upon completion of each test. Each log shall record the flow and discharge pressure at the wellhead, as measured by Contractor provided meters, and the driving motor voltage and amperage measured for each test. Existing metering shown in Attachment A is Government infrastructure and is not a substitute for the Contractor furnished test instruments required under this section.

10. Submittals The Contractor shall provide the following submittals to the Contracting Officer within 10 calendar days after contract award, except where a different deadline is stated below:

• Pump performance data curves showing head, capacity, horsepower demand, and pump efficiency across the entire operating range of the pump, from shutoff to maximum capacity, with head, capacity, horsepower demand, overall efficiency, and minimum submergence indicated separately at the specified service conditions, consistent with Hydraulic Institute Standards.

• Pump maximum down thrust and up thrust in pounds, and the load capacity of the bearing assemblies.

• Pump and motor manufacturer catalog cuts, including material types, dimensions, and installation recommendations.

• Manufacturer's operation and maintenance manuals, complete with installation and startup instructions, submitted to the Contracting Officer before the pump is delivered to the well site.

• Test logs, submitted upon completion of each field test described in Section 9.3.

The use of a manufacturer's name and model or catalog number in this Statement of Work is for the purpose of establishing the standard of quality and general configuration desired only. The Contracting Officer will consider products of other manufacturers for approval, provided the Contractor submits a substitution request at least 10 calendar days before the item is needed for installation.

11. Deliverables and Schedule The Contractor shall furnish and deliver the items and services identified in the resulting contract's price schedule (Items 0010 through 0120), including the drop pipe, coupling, check valves, bushing, submersible cable, motor and pump end, control box, float switch, well inspection and diagnostics, functional test, disinfection, and performance test with test logs. Submittals identified in Section 10 shall be delivered within the timeframes stated in that section.

12. Acceptance Criteria The Government will base acceptance of the installed system on successful completion of the functional test, disinfection, and performance test described in Section 9.3, submission of all required submittals and test logs, and verification that the installed pump and motor meet or exceed the performance requirements in Section 8.1. Work not conforming to this Statement of Work shall be corrected by the Contractor at no additional cost to the Government.

13. Quality Assurance The Contracting Officer will monitor Contractor performance through review of submittals and test logs against the performance requirements established in this Statement of Work. The COR may observe field testing on the Government's behalf. Any nonconforming work identified shall be corrected by the Contractor before final acceptance.

14. Site Access and Applicable Regulations The Contractor shall coordinate all site access with the COR before entering the site on each day of performance. This action involves removal and replacement of pump equipment only and does not constitute well drilling; accordingly, a New Mexico Office of the State Engineer well driller license is not required for this scope of work. The Contractor shall comply with all other applicable federal, state, and local laws and regulations in the performance of this work.

15. Warranty The Contractor shall warrant all parts furnished and all installation workmanship performed under this Statement of Work against defects for a minimum of 12 months from the date of final acceptance by the Government. Any defect in materials or workmanship identified during the warranty period shall be corrected by the Contractor at no additional cost to the Government.

16. List of Attachments The following attachment is hereby incorporated into and made a part of this Statement of Work:

Attachment A, Site Photos, dated July 14, 2026.