HVAC NinemileTreeCoolers-SOW.pdf

US Department of Agriculture (USDA)

Statement of Work

Contents Project General Information

1.0 Scope of Work

2.0 Background

Contractor Requirements

3.0 Technical Requirements / Tasks

4.0 Government Furnished

5.0 Deliverables / Schedule

6.0 Travel

7.0 Contractor’s Key Personnel

8.0 Security Requirements

9.0 Data Rights

10.0 Section 508 – Electronic and Information Technology Standards Attachment

Project Ninemile District Priority Planting Tree Cooler Repair

General Information

1.0 Scope of Work

This project is to replace the HVAC system in two tree coolers located on the Ninemile Ranger District on the Lolo National Forest. Both coolers have antiquated HVAC systems are no longer made, cannot be easily repaired, and have been defunct for years. The goal of this project is to provide fully functioning tree cooler HVAC systems with associated evaporator fans and necessary materials for the refrigeration system.

2.0 Background

Two (2) tree coolers are located at the Ninemile Ranger District on the Lolo National Forest. Existing compressors and associated equipment are between 20 to 40 years old, and are in need of replacement. Both tree coolers have been out of commission for several years.

Contractor Requirements

3.0 Technical Requirements / Tasks

Base 001- Ninemile Tree Coolers- Two separate tree coolers are at one location. Tree coolers are referenced as the North and South Tree Coolers.

• Prepare all required permits.

• Remove and dispose of existing equipment and associated parts/pieces of infrastructure that will not be used.

• Size the condenser needed to establish a reliable cooler and related system.

o Able to maintain even temperature (plus or minus 2 degrees F) that can be set and adjusted, at a minimum, between 30-degree F and 40 degrees F o Adjust and set temperature accurately by a maximum of 1 degree F increments.

o Compressors must be compatible with and utilize R-404A or R-448A Refrigerant

• The tree coolers are the same size, 18.5 feet wide, 20.5 feet long and 10.8 feet high.

• The walls and ceiling of the tree cooler are Bally Case and Cooler. A picture of the wall plate is within the attachments.

• Provide indoor evaporator fans/coils sized to work with the compressor.

• Install drain lines from evaporator coils/fans to exterior drain.

• Install refrigeration lines to manufacture’s specifications.

• Provide centrifugal humidifier.

o Humidifier must be able to achieve high humidity’s of at least 95%, not be located above doorway (unless can guarantee no ice), and not create ice buildup on cooler surfaces.

o Connect humidifier to existing water line.

• Install environmental controller for temperature and humidity.

o Warning alarm when temp is outside of a settable acceptable range, (need to be able to set range by increments of 1 degree).

• Utilize existing electrical panels. Everything from the panel to the compressor can be replaced as needed.

• Start, test, and commission all new equipment to confirm refrigeration capabilities within proposed work.

• Cleanup site work area and perform any need restoration for ground disturbance from installation efforts.

• Provide owner training for new system operation and maintenance.

• The proposed work will comply with all Federal and State codes, including removal and proper disposal of freon.

• The personnel needed to complete the work will include an HVAC mechanic and electrician.

4.0 Government Furnished

No Government Furnished Equipment is provided in this contract.

5.0 Deliverables / Schedule

Key Deliverables

Item No. Deliverable Objective Due 1 Submittal Sheets Allow government review and concurrence with equipment being purchased for installation.

No later than ten (10) business days after NTP

2 Maintenance Plans & Technical Manuals

Provide the government with applicable maintenance schedules and technical manuals for the new equipment.

After commissioning of the equipment.

6.0 Travel

Overnight travel is not anticipated.

7.0 Contractor’s Key Personnel

Certified HVAC technician Certified Electrician

8.0 Security Requirements

Contractor shall coordinate with the government for site access and hours and operation.

9.0 Data Rights

Maintenance schedule and technical manuals for equipment shall be provided to the government upon completion.

10.0 Section 508 – Electronic and Information Technology Standards Section 508 shall be applied.

Attachment

Quality Assurance Surveillance Plan (QASP) Pictures of the tree coolers for reference.