B08_A1B_Statement_of_Work_Install_VRF_Building_298_TCBS.pdf

STATEMENT OF WORK

Tuba City Boarding School

Dormitory Building No. 298

Installation of VRF/HVAC System

May, 2023

Overview

This requirement is to install new HVAC Variable Refrigerant Flow (VRF) System at Tuba City Boarding School Dormitory Building No. 298. All proposals shall be submitted through Bureau of Indian Education (B.I.E.) Contracting Officer.

The Dormitory Building # 298 is a single-story building built in 1963 and is approximately 22,323 GSF. The building consists of sleeping area, lounge, kitchen, restroom, and isolation rooms.

The HVAC Project is located on the Navajo Reservation. Tuba City Boarding School is a K – 8 School, located at 306 Main Street in Tuba City, Arizona, Coconino County.

HVAC VRF installation shall comply with current Bureau of Indian Affairs Design Handbook and Energy Savings Requirement.

General Information:

Contractor shall provide an itemized cost breakdown for the VRF/HVAC project per proposal process.

Contractor is required to make a site visitation to assess existing field conditions of the dormitory building and to get acclimated with the structure of the dormitory building and to also evaluate the feasibility of HVAC/VRF installation.

Contractor shall assess existing power loads for building #298 and determine if power is sufficient for the VRF System.

Contractor must be a licensed contractor and registered with the government in SAMS to solicit any construction work under the Bureau of Indian Education (BIE) Schools.

VRF/HVAC Project shall be installed during summer break to minimize any delays in the progression of work due to students’ occupancy of the building.

The Dormitory Building #298 currently uses Natural Gas for its boiler system.

Statement of Work:

• Contractor shall install new Mitsubishi HVAC System or equal or better brand VFR/HVAC Split System at Dormitory Building #298. The current heating system is a circulating hot water system from a Boiler system. Swamp Coolers provide cooling in the summer.

• Contractor shall provide design drawings & specifications and submittals, and all other necessary work to properly size and install VRF/HVAC System for Dormitory Building #298.

• Contractor shall provide schematic design engineered drawings indicating locations of VRF Compressor units, Heat Pumps, Heat Recovery Units, BC Controllers, Cassettes, Refrigerant lines, Conduit, Outdoor & Indoor units, Main Control Center Thermostat, and all other pertinent parts of a VRF System.

• The Contractor will be responsible to install barricades and signage to warn employees and public of the on-going repair/installation work.

• Contractor shall provide UV protection, rust prevention to all new rooftop refrigerant lines & pipes. Outside rooftop lines & piping shall be kept on Dura-Blocks to keep off existing TPO membrane.

• The Contractor shall inspect and evaluate the electrical requirements for Dormitory

Building No. 298 to ensure proper power loads and requirements meet specifications in accordance with NEC. If power source needs to be upgraded, the Contractor shall contact and work with Arizona Public Service (APS), Electric Power supplies to the school with identifying the proper size transformer required.

• Contractor shall test and balance VRF/HVAC system when installation is complete per manufacturer’s recommendations.

• Contractor shall contact a licensed Thermo Plastic Olefin (TPO) Roofing Contractor to provide services to seal off all new roof penetrations incurred during construction.

• Contractor shall replace all broken ceiling tiles that were damaged during HVAC Installation.

• Contractor shall cover up all holes with approved sealant where pipes were removed to keep rodents from entering the building.

• School maintenance staff shall be responsible for moving of furniture, tables, beds, etc.

during construction.

• Contractor shall provide VRF O&M training to school maintenance staff. A 4 hour training shall be conducted by a certified VRF/HVAC specialist.

• Contractor to provide 1 year workmanship warranty form the date of completion.

• Manufacturer to provide 1 year equipment warranty.

Environmental Section:

Contractor shall review the AHERA 3 Year Re-Inspection information provided at the school location, to assess if any Asbestos Containing Materials (ACM) will be impacted during HVAC Installation.

Also conduct a Hazardous Materials Survey, in the event, hazardous building materials is discovered i.e., lead-based paint, mold, lead solder in pipe joints, PCB ballast in light fixtures.

Contractor shall engage a certified project abatement planner/designer to prepare a hazardous building materials abatement (removal) plan in accordance with the Environmental Site Assessment Phase II (ASTM E1903-11) Investigation Report. Then hire a qualified/certified and license abatement contractor to remove all hazardous building materials out of each project work areas and safely dispose of removed materials in an EPA-approved landfill located off Navajo Nation lands.

Furthermore, the successful Contractor will prepare and provide all required deliverables, detailed cost estimate, design documents (proposal documents) work plan, and work schedules to address any environmental abatement concerns and subsequent abatement of identified hazardous building materials from project work areas within the dormitory building and proper disposal of removed waste.

Mobilization:

Contractor shall provide all labor, materials, equipment, supervision, transportation, and all other services to complete project in full.

Contractor shall be responsible for mobilization cost of materials, equipment, office trailer, storage bins and other construction items that need transporting to project site before starting up.

Security Background Clearance:

A background check approval is required from B.I.E. Security before any work is to commence.

All workers are required to wear badges during regular work hours. All workers must wear masks while on campus and during work hours. Contractor jobsite Superintendent shall report to the school’s front office daily to sign-in.

Specifications:

Contractor shall provide professional workmanship in procurement and installation of new VRF System at Dormitory Building 298 per drawings and specifications.

The designer shall provide Construction Standard Institute (CSI) 16 Division Format Specifications for the VRF Project(s).

Designer shall provide at minimum, specifications for the following:

• Division 01 – General Requirements:

Summary Construction Progress Quality Requirements Temporary Facilities & Controls Construction Waste Management Product Requirements Cutting & Patching General Commissioning Requirements (if required) Demolition

• Division 02 – Existing Conditions:

Structure Demolition

• Division 05 – Metals:

Structural Steel Framing (if VRF is to be roof mounted) Metal Fabrications

• Division 07 – Thermal & Moisture Protection Thermal Insulation Penetration Fire Stopping Joint Sealants

• Division 08 – Openings:

Glazing

• Division 09 – Finishes:

Gypsum Board Acoustical Tile Ceilings Exterior Painting Interior Painting

• Division 15 – Mechanical:

General Mechanical Requirements Insulation Balancing & Operating Testing

Hoods & Exhaust Temperature Control Electrical & interlocks

• Division 16 – Electrical:

Materials & Methods Basic Electrical Requirements Raceways Boxes & Cabinets Wires & Cable Grounding

Code Requirements:

The following codes, handbooks, regulatory agency requirements and all other applicable codes shall apply to this project.

• Uniform Mechanical Code

• Uniform Building Code

• Uniform Plumbing Code

• International Building Code

• National Electric Code

• American Disability Act Code

• EPA Code of Regulations

• Navajo Nation EPA

• OSHA Requirements

• 2011 Asbestos hazard Emergency Response Act handbook

• Government, State & Local Code

Shop Drawing Distribution: Three (3) Set of 100 percent drawings shall be distributed to the following individuals:

1. LeRoy Begay, COR Arizona Navajo North – Facility Management Office PO Box 36 Highway 160 & Warrior Drive Tuba City, AZ 86045

2. Tim Clashin, Assistant Principal Tuba City Boarding School Facility Office PO Box 187 Tuba City, AZ 86045

Performance Time & Delivery Dates:

• Site Visitation 1 Work Day

• Pre-Proposal Meeting 1 Work Day, date to be determined

• Draft Shop Drawings & Onsite Review 10 Work days

• Final Shop Drawing Submittals 10 Work Days

• Approval of Shop Drawings 10 Work Days

• Construction & Installation of VRF 30 Work Days

• Substantial Completion Inspection 1 Work Day

• Testing/Balancing of VFR 5 Work Days

• Punch List Items 5 Work Days

Site Visitation:

Contractors are encouraged to visit the project site to assess and acquaint themselves with existing conditions. Site visits may be coordinated through Tuba City Boarding School, Facility Department Office.

Contact person is LeRoy Begay, phone # (928) 283-2303 or 928-220-5667 or the Contracting Officer Tanna Finley.

Delivery Requirements and Performance Time:

Performance period will be set at 180 calendar days from issuance of Notice to Proceed.

Debris Disposal/Demolition:

The Contractor shall remove all debris generated by of caused by the demolition work in this contract. The Contractor bears all responsibility and all associated or related costs with the removal and disposal of all debris from properties of the United States Government. The Contractor is required to comply with applicable Environmental Protection Agency (EPA), Federal, State, and local Government laws, policies and regulations while engaged in the removal and disposal debris. The Contractor shall transport the debris off the boundaries of the Navajo Reservation to an approved EPA landfill. The Government is not responsible in any way, financially or otherwise, for the success or failure of arrangements for disposal of debris between the Contractor and other parties.

Navajo Nation and State Taxes:

The Contractor is responsible and required to pay Navajo Nation Tribal Tax, which is equal to 6 percent of their total proposal amount. In addition, the Contractor shall also pay local and state gross receipt taxes.

Insurance Requirements:

The Contractor shall assume full responsibility for accidents to himself and his employees.

Certified Weekly Payrolls:

The Contractor is required to submit weekly-certified payroll to the Government for the term of the project.