Attachment_1_-__SoW_GLAC_Photovoltaic.docx

STATEMENT OF WORK

PMIS #314860

RENEW POLEBRIDGE PHOTOVOLTAIC SYSTEM COMPONENTS

INTERMOUNTAIN REGION

GLACIER NATIONAL PARK

WEST GLACIER, MT

FINAL – 10/24/2023

0.0 TABLE OF CONTENTS

1.0 Overview & Project Description

2.0 Existing Conditions

3.0 Scope of Work & Tasks

4.0 Special Conditions & Requirements

5.0 Period of Performance

6.0 Attachments

1.0 OVERVIEW & PROJECT DESCRIPTION

This project includes the renewal of aged photovoltaic system components that are essential to maintain facility usage for the Polebridge area of Glacier National Park.

Polebridge is a remote area of the Park that is off-grid of any electrical utility. The Ranger Station, housing area, and other facilities depend on solar energy for year-round operation. If solar energy becomes inadequate, a pair of backup propane generators charge the solar batteries to supply power to the area.

Three pole-mounted photovoltaic arrays, lead-acid AGM batteries, charge controllers, inverters, and other electrical equipment were installed in Polebridge in 2016. The arrays are located outside of the Polebridge Ranger Station, and all equipment is housed in the B#1449 Polebridge Generator Building.

The existing batteries are aged and functioning poorly. The batteries typically fail to meet a full day’s energy demand on sunny days and this problem is escalated on overcast or smoky days. These issues create a dependence on the backup propane generators.

This project includes replacing failing batteries, including updating and programming for compatibility and optimal performance with the existing inverter and charge controller system.

All work is to occur at B#1449 Polebridge Generator Building. The nearest address is for the Polebridge Ranger Station - 714 Glacier Drive, Polebridge, MT 59928.

2.0 EXISTING CONDITIONS

The existing solar panels are located just outside of the Polebridge Ranger Station. System components are housed in B#1449 Polebridge Generator Building.

Please note that NPS will make several modifications to B#1449 prior to the start of work under this contract. These modifications will be completed by NPS and are not a part of the contracted scope of work. This is required to mitigate safety hazards in the building. These modifications include:

A. Removal of two existing generators B. Removal of the existing ventilation fan that is immediately to the right of the entrance doors C. Removal of existing oil drums D. Construction of a partition wall in B#1449

1. The partition wall will create a separate room (approximately 5’ to 6’ wide) to enclose the proposed batteries in a separate area from the remainder of the building. The partition wall will have a door immediately to the right of the existing entrance doors. The space will be ventilated to the exterior of the building.

E. Installation of a small heater unit within the partition wall to provide a climate-controlled space for the batteries F. Installation of explosion-proof lighting G. Commissioning of two new Kohler backup generators, located in an enclosure on the exterior of B#1449.

The existing system includes:

A. Three pole-mounted solar arrays

1. Ten panels per array (five by two grid), SolarWorld SW340XL Black, 340W solar panels B. Outback EnergyCell 2700RE Battery Rack

1. 48V total, consisting of 24 (four by six grid) 2V, 2288Ah lead-acid AGM batteries

2. Steel battery rack, approximately 75”H x 28”D x 57”W and 8,266 lbs. total

3. Programmed for a 50% depth of discharge to provide approximately 55kWh of the possible 110kWh C. Schneider Electric Conext XW+ System

1. Conext MPPT 80-600 charge controllers x 3 (one for each solar array)

2. Conext XW+ 6048 Inverters x 2

3. Conext PDP Power Distribution Panel

4. Conext SCP Solar System Control Panel x 1

5. Conext AGS Automatic Generator Start System x 2

6. InsightHome Energy Management Device

Photos of the existing conditions and schematic of the proposed modifications are included in Attachment 1.2 Polebridge Generator Building Site Photos.

3.0 SCOPE OF WORK & TASKS

The end goal of this project is to provide a new battery system that is compatible with existing equipment. The Contractor shall furnish and install all necessary parts, equipment, hardware, software, and firmware and provide all labor required to achieve this goal.

The Contractor shall determine the appropriate means and methods to accomplish the project objectives. Inspect all existing conditions and understand the full scope of related tasks. Notify the COR if any discrepancies are found.

A. Removal of existing batteries

1. Disconnect the existing batteries from the Schneider XW+ System.

2. Properly recycle the existing batteries in accordance with all local, state, and federal laws.

3. Remove and dispose of the existing battery rack framing and all accessories. Recycle materials, as possible.

B. Furnish and install five new Fortress Power eVault Max 18.5 kWh LFP batteries, or approved equivalent that meets or exceeds the specifications below. A product brochure and installation manual for the specified batteries is included in the attachments and should be used as the basis of design for this project.

1. Fortress Power eVault Max 18.5 kWh LFP battery

a. 18.5 kWh

b. 360 Ah

c. 51.2 V (nominal)

d. Lithium iron phosphate

e. Floor standing

f. 10-year warranty

g. Scalable for option to add additional units

h. Overcharge, deep discharge, overcurrent, overheating protection

i. Cell monitoring and balancing

j. Voltage and temperature monitoring

2. Install the current battery firmware.

a. Firmware, instructions, and other materials for the Fortress Power eVault Max 18.5 kWh battery may be downloaded at https://www.fortresspower.com/firmware/. A copy of the download instructions dated 01/28/2022 is included in the attachments.

3. Install current firmware on all existing Schneider equipment

a. Firmware may be downloaded at https://www.se.com/us/en/product-range/65502-conext-scp/#software-and-firmware.

4. Program the existing Schneider XW equipment and batteries for compatibility.

a. Program the existing Schneider equipment and batteries to provide a depth of discharge for optimal performance (anticipated 80% DOD).

b. Program the existing Schneider inverters for compatibility with the new batteries. A guide to hook up the Fortress Power eVault Max 18.5 kWh batteries and inverter may be found at https://learn.fortresspower.com/external/manual/schneider-guide/article/inverter-comm-cable-1?p=dc8b9a9c1b3f410556835193e66f2257ed8af4657827a29b03227bb0b31e530f and is included in the attachments.

5. Furnish and install all additional and required parts, equipment, hardware, software, and firmware necessary to make this system function properly.

6. Provide essential NPS staff, as determines by the COR, a tutorial on system operation, troubleshooting, and regular maintenance. Coordinate tutorial with the COR.

7. Provide NPS with a copy of all equipment operation and maintenance manuals and warranty information for all installed equipment.

a. All components shall be installed in strict accordance with the manufacturer’s installation manuals and requirements to obtain the maximum warranty.

C. Post-award meeting

1. A post-award meeting will be held online with the Contractor, CO, and COR to cover basic procedures and regulations, including but not limited to:

a. Introductions

b. Roles and responsibilities

c. Park rules and regulations

d. Anticipated construction schedule

e. Correspondence processes

f. Labor standards

g. Payroll reports

h. Contract modifications

i. Payments to Contractor

j. Acceptance and rejection of work

k. Subcontractors

l. Cultural and natural resource concerns

m. Submittal procedures

n. Operation and Maintenance manuals

o. Work hours

p. Reference materials

q. Value engineering

r. Contract completion date

2. Notes and meeting minutes will be recorded and distributed by NPS.

4.0 SPECIAL CONDITIONS & REQUIREMENTS

A. Special Park Requirements

1. All Contractors and Subcontractors shall receive a briefing on working around wildlife, including bears, prior to the start of work. A copy of Bear, Wildlife, and Sanitation Requirements While Working in Glacier National Park will be provided to the Contractor. All Park rules will be strictly enforced.

2. Keep the Park in its pristine natural state. Contain all waste immediately. Collect scraps and debris immediately. Do not damage vegetation.

3. The Park does not provide contractor camps. The Contractor is responsible for obtaining lodging on their own.

B. Contractor Use of Site and Access

1. The Contractor shall have full use of the site for operations during the performance period. The Contractor is responsible for any damage caused by the Contractor.

2. B#1449 is in an area used by NPS staff for daily operations. Minimize interference with regular NPS operations.

3. Minimize power disruptions to the Polebridge area. If power disruptions are required, coordinate with the COR and Park staff at least five days prior to the interruption. Several buildings in the Polebridge Ranger area operate year-round.

4. The Contractor shall keep the project area clean and orderly and free of waste, especially animal attractants, at all times.

5. Parking and staging is allowed in the gravel parking area in front of B#1449. Tool and equipment storage is allowed in B#1449 in an area that will not obstruct the regular operation of the building. Coordinate all parking and staging areas with the COR. Avoid parking in front of the vault toilet that is adjacent to this building. Park, stage, and store equipment and materials at your own risk.

6. The Contractor is responsible for site safety and security. The work area must be properly secured to prevent hazards to NPS and visitors.

7. Comply with all legal load restrictions for hauling materials.

8. There is no cell service or internet access in Polebridge. Plan accordingly.

C. Material Handling and Waste

1. Materials shall be delivered to the jobsite in Manufacturer’s original, sealed containers with labels legible and intact.

2. Materials shall be handled, stored, and installed per manufacturer’s instructions and all applicable safety regulatory agencies.

3. Contaminated, damaged or unsealed materials, or materials not conforming to the specified requirements, shall not be used in the installation. Rejected containers shall be immediately removed from the jobsite and replaced at no additional cost to the Government.

4. All waste shall be disposed of outside of the Park in accordance with local, state, and federal requirements. Recycle materials as possible.

5.0 PERIOD OF PERFORMANCE

A. This project must be completed before 2 February 2024.

1. The road to the Polebridge Ranger Station is open through the winter, but travel on the gravel North Fork Road may be difficult. Plan accordingly.

B. Work on Saturdays, Sundays, Federal holidays or at night may not be performed without prior consent from the Contracting Officer. Submit requests 48 hours in advance of the proposed work to the Contracting Officer for approval.

C. On-Site Work Hours: Work shall be generally performed during normal business working hours of 7 a.m. to 7 p.m., Monday through Friday. Weekends and holidays may be worked it approved 48-hours in advance by the Contracting Officer.

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