A04_Statement_of_Work.pdf

Mojave National Preserve

San Bernardino County, California

STATEMENT OF WORK:

Install solar pump at Hole in the Wall well

DATED:

May 6, 2019

Prepared By: Debra Hughson

NATIONAL PARK SERVICE

Mojave National Preserve

MOJA – Install solar pump at Hole in the Wall well

STATEMENT OF WORK (SOW) FOR SOLAR PUMP AT HOLE IN THE WALL WELL

1. BACKGROUND

Mojave National Preserve is located in Eastern San Bernardino County 2 hours east of Barstow, CA. The work site is 30 miles north of Essex, CA on Black Canyon Road at the Hole in the Wall Interagency Fire Center.

2. OBJECTIVES:

This project will replace the submersible pump in the water supply well with a solar-powered Grunfos 6 SQF-3 submersible pump, IO 101 SQ Flex switch box, with appropriately sized low-mount solar panels to operate the submersible pump. Option 1 is to sleeve the well with PVC slotted over a 40-foot interval after removing existing submersible pump. Option 2 includes option 1 and adds an AC generator on a concrete pad to operate the pump at night and during cloudy days.

3. PLACE OF PERFORMANCE:

Well 8K1, Section 8, Township 11 N, Range 15 E, San Bernardino County, CA

Permitted Work Hours: Monday through Friday, 8:00am – 5:00pm

4. PERIOD OF PERFORMANCE:

All tasks and deliverables for this contract must be completed within 60 of days after Notice to proceed. Days listed herein refer to calendar days.

5. SCOPE:

The project consists of replacing the submersible pump in well 8K1 with a solar-powered pump, solar panels, switch box, plumbing, and connectors sufficient to produce approximately 5 gpm with total dynamic head of approximately 510 feet. Option 1 includes sleeving the well with PVC slotted over a 40-foot interval. Option 2 includes installing a generator on a concrete pad that can power the pump during the night and on cloudy days. Contractor shall have an on-site superintendent/foreman present at all times.

6. TASKS:

Under this contract, the contractor shall complete the following tasks and requirements:

• Remove existing submersible pump in well 8K1. The well was drilled to a depth of 595 feet in the early 1970’s but has filled with sand in the bottom and is currently 549 feet total depth with 8-inch casing.

• Option 1. Install SCH40 PVC 6-inch ID well sleeve slotted (0.040 in.) through the interval 508 – 548 ft depth and capped at the bottom to prevent sediment entry.

• Install Grunfos 6 SQF-3 submersible pump with IO 101 SQ Flex switch box including all plumbing and wiring (drop pipe (1" NPT) and pump wire). Pump is to be installed with intake at a depth of 525 feet.

• Install 1-inch ID PVC flex sounding tube attached to the drop pipe (ending 5ft above top of pump/motor).

• Install Grundfos solar power system array with support structure, output wiring and foundations. Preference is for a low-profile ground mount.

• Install stand-alone PV power system for chlorinator pump operation.

• Option 2. Includes Option 1 in addition to the installation of a 22 kW Three Phase

Generator on concrete pad with all necessary connections so that the generator can be used to operate the pump.

7. DELIVERABLES:

• Provide product submittals and design of all new equipment to be installed for NPS review and approval.

• Provide safety plan.

• Provide for quality control plan including inspections of repair work, quality of materials, compaction testing.

• Installation of solar submersible pump (PVC slotted sleeve), all solar equipment (back-up generator).

8. GOVERNMENT-FURNISHED PROPERTY, MATERIAL, EQUIPMENT, OR INFORMATION

(GFP, GFM, GFE, OR GFI):

N/A

9. SAFETY:

This contractor is to follow at a minimum all OHSA rules and procedures. A required safety plan must be submitted and approved before any work is to begin. This plan shall identify any hazards related to the work and provide measures to follow to mitigate risk. Work sites will be secure at the end of the day. Open pits will not be allowed overnight. The contractor will be responsible for the hazmat clean-up of any equipment fluid leaks or spills.

10. SECURITY:

The location is remote and isolated. The contractor will be responsible for their equipment and property. Parking vehicles within the Fire Station compound will be allowed, but this is not a secure area.

11. TRAVEL:

Contractor shall be responsible for all travel related expenses for this project, including mobilization of equipment, tools, materials, manpower, lodging, meals, and per diem.

12. SPECIAL MATERIAL REQUIREMENTS:

N/A.

13. OTHER UNIQUE REQUIREMENTS:

Contractors will receive Desert Tortoise training. Work conducted during active tortoise season will require a monitor.

14. QUALITY ASSURANCE REQUIREMENT:

The contractor shall develop and maintain a quality assurance program to ensure services are performed in accordance with commonly accepted standard practices and in compliance with all applicable code. The contractor shall develop and implement procedures to identify and prevent defective workmanship. As a minimum the contractor shall develop quality control procedures addressing the critical areas identified in this statement of work. The government will periodically evaluate the contractor’s performance in accordance with the statement of work.

The contractor will submit product information, design, drawings, schedule of values, contractor installation schedule, and bill of materials for review by the Contracting Officer’s Representative (COR). Once the submittals are accepted, the COR will recommend that a Notice to Proceed be issued for onsite work.

While performing work, the contractor shall comply with the latest applicable versions of the following:

• NFPA 101 (National Fire Protection Association's Life Safety Code)

• MUCTD Standards and Policies

• Occupational Safety and Health Administration (OSHA) requirements

Additional Requirements:

• All affected areas must be restored to their original condition from before the work began. Any damages will be fixed and repaired at no cost to the government.

• All new equipment must conform to the manufacturer’s instructions and guidelines.

15. PROJECT PERSONNEL:

Contracting Officer:

Greg Hauburger NPS Lake Mead National Recreation Area Telephone: (702) 293-8793 Email: greg_hauburger@nps.gov

Contract Specialist Cris Stubitz NPS Lake Mead National Recreation Area Telephone: 702-293-8940 Email: maria_stubitz@nps.gov

Park Facility Manager:

TBD

NPS Mojave national Preserve Address Telephone: (760)252-6105 Email:

Project Inspector: TBD

Name Park Address Telephone:

Email: