Nogales Ranger District Office HVAC Units Replacement Specifications.pdf

SPECIFICATIONS FOR

NOGALES RANGER DISTRICT OFFICE

HVAC UNITS REPLACEMENT

January 6, 2023 ii iii

TABLE OF CONTENTS

DIVISION 1 – GENERAL REQUIREMENTS

01010 - SCOPE OF WORK

1.1 – Definitions

1.2 – Description

1.3 – Location and Conditions

1.4 – Schedule

1.5 – Contract Administration

1.6 – Quality of Work

1.7 – Codes and Standards

1.8 – Special Construction Requirements

1.9 – Contract Closeout

01020 – MEASUREMENT & PAYMENT

1.1 – Measurement & Payment

01030 - MOBILIZATION

1.1 - Summary

01050 – SUBMITTALS

1.1 - General

2.1 - Description

2.2 - Products

DIVISION 2 – SITE WORK

02010 – DEMOLITION

1.1 – Description

2.1 – Not Used

3.1 - Preparation

3.2 – Protection

3.4 – Removal

DIVISION 15 – MECHANICAL

15731 – PACKAGED TERMINAL AIR CONDITIONERS

1.1 - Summary iv

1.2 – Submittals

1.3 – Quality Assurance

2.1 – Packaged Unit System

2.2 – Controls

3.1 – Installation

3.2 – Connections

DIVISION 1 – GENERAL REQUIREMENTS

01010 - SCOPE OF WORK

PART 1 – GENERAL

1.1 – Definitions

Contractor – the successful bidder who is awarded the contract.

Government – the Contracting Officer (CO) or designated Contracting Officer’s Representative (COR) of the Coronado National Forest.

1.2 – Description

Contractor shall furnish all materials, equipment, transportation, labor, supervision, and other associated work necessary to complete work according to the specifications.

The Nogales Ranger District Office is a 7,500 square foot building which was built in 1995.

The buildings current climate control system is comprised of 5 packaged HVAC units.

Currently only 2 of the 5 units are functioning properly.

Scope of work includes:

• Remove three (3) Nonfunctioning HVAC units.

• Supply and Install one (1) 7.5 TON packaged HVAC Unit

• Supply and Install one (1) 7 TON packaged HVAC Unit

• Supply and Install one (1) 3.5 TON packaged HVAC Unit.

• Supply and Install three (3) new programmable thermostats.

All electrical, plumbing, sheetmetal, etc. work shall be considered incidental to the replacement of the equipment. Other infrastructure (including, but not limited to duct work, registers, thermostats, etc.) shall remain in place as part of the system to the maximum extent possible.

1.3 – Location and Conditions

Work will take place at the Nogales Ranger District Office which is located in the town of Nogales and is within the Nogales Ranger District of the Coronado National Forest in Santa Cruz County, Arizona. The physical address is 303 Old Tucson Rd., Nogales, Arizona 85621.

The site may be accessed using paved highways and roadways. The coordinates for the site are Latitude= 31.425855° and the Longitude= -110.963635° (Township 23 South, Range 13 East, Section 13).

It will be the Contractor’s responsibility to familiarize themselves with the existing conditions and notify the Government of any discrepancies shown in these documents.

For delivery of materials and other construction-related items, the Contractor shall coordinate with Contracting Officers Representative (COR) and is advised to determine safe vehicle lengths and load limits for roads that access the site.

1.4 – Schedule

A pre-work meeting for clarification of the project will be held if needed or desired by either the contractor or the Government

A schedule for all work must be submitted to and approved by the Government prior to construction beginning.

The Contractor shall notify the Forest Service three (3) days in advance of any survey work and seven (7) days in advance of any construction work.

All work shall be completed within 30 days of award.

1.5 – Contract Administration

The Contractor shall be fully responsible for seeing that construction activities conform to the specifications and provisions of this contract. The Government will provide timely reviews as requested by the Contractor and may periodically review work at any time.

Construction quality control shall include supplying all the personnel, equipment, and documentation necessary to ensure that construction is completed in compliance with the specifications and provisions of the contract.

The Contractor shall clearly stake limits of construction and maintain marks throughout construction. The Government will review all staking.

1.6 – Quality of Work

The products listed in the specifications are preferred products chosen for building compatibility and quality. However, equal or better alternatives submitted by the Contractor will be considered and are encouraged.

Use recovered materials, recyclable materials, and environmentally preferable products and services where possible as per Executive Order 13423.

1.7 – Codes and Standards

Codes and standards of the following associations and listed publications will become part of this contract:

1. International Building Code (IBC)

2. National Electrical Code (NEC)

3. National Electrical Manufacturers Association (NEMA)

4. Underwriters' Laboratories, Incorporated (UL)

5. International Mechanical Code (IMC)

6. International Fire Code (IFC)

7. Americans with Disability Act Standards (ADA) for Accessible Design

8. Occupational Health and Safety Administration (OSHA) Standards

9. American Society for Testing and Materials (ASTM)

10. American National Standards Institute (ANSI)

11. National Sanitary Foundation (NSF)

All materials, workmanship, and designs shall meet specified requirements of the standards referenced in this section and other local or state codes, related to this type of work, whichever is more stringent.

If a particular item is not covered by a standard, it shall be proven by certified test by a reputable laboratory to be capable of performing satisfactorily, at no additional cost to the Government.

1.8 – Special Construction Requirements

Upon completion of the project, all demolished improvements and other construction materials shall be removed from Government land and disposed of in accordance with State and County standards.

All site features to remain shall be protected from damage during the project. Any damage to site features shall be repaired to their original condition at the cost of the Contractor.

Construction Access and Protection: The Contractor shall be responsible for securing the project area from the public and government personnel. This includes providing the necessary security for protection of the Contractor's materials, equipment, tools and work until final acceptance by the Government. The Contractor shall also provide sufficient signs, barriers, barricades, markers, etc. to warn of hazardous conditions and to protect people from injury.

Equipment and Material Storage: The Contractor shall obtain permission from the Government for equipment and material storage, and for other areas needed for construction.

Utilities: Electricity and water are available on site.

1.9 – Contract Closeout

Remove temporary facilities and provide final cleaning and touch-up. Restore portions of buildings, site improvements, landscaping, and other items damaged by construction operations to the satisfaction of the Government at no additional expense to the Government.

*** END OF SPECIFICATION 01010 ***

01020 – MEASUREMENT & PAYMENT

1.1 – Measurement & Payment

Measurement and payment for contract work will be made only for and under those pay items included in the SCHEDULE OF ITEMS. All other work and materials will be considered incidental to the completion of the items shown and no separate payment will be made.

*** END OF SPECIFICATION 01020 ***

01030 - MOBILIZATION

1.1 - Summary

Section Includes: Preparatory work and operations, including those necessary to the movement of personnel, equipment, supplies and incidentals to the project site; and for other work and operations which must be performed or costs incurred prior to beginning work on the various items on the project site. This specification does not include moves between project sites.

***END OF SPECIFICATION 01030***

01050 – SUBMITTALS

PART 1 – REQUIREMENTS

1.1 - General

It will be the Contractor's responsibility to submit all items with such promptness as to cause no delay in the work. Approvals must be obtained before starting work which involves the item. Contractor shall allow 5 days for processing of submittals by the Government. Submittals may also be referred to as shop drawings.

PART 2 – MANUFACTURER’S LITERATURE AND SHOP DRAWINGS

2.1 - Description

The Contractor shall submit one copy of all submittals to the Government for approval on the items required herein. For each submittal, the Contractor must receive written approval from the Government to use the item before incorporating it into the project work. Literature must be marked or otherwise designated to show the exact model, size, etc. the Contractor proposes to use. Information must be adequate to determine compliance with the specifications. Approvals must be received for products differing from those described in the Government-supplied specifications.

2.2 - Products

Certificates of compliance are required for the following:

1. Packaged Unit System

2. Programmable Thermostat

***END OF SPECIFICATION 01050***

***END OF DIVISION 1***

DIVISION 2 – SITE WORK

02010 – DEMOLITION

1.1 – Description

The work of this section consists of removal of three (3) existing HVAC Units.

Existing Units to be removed:

• Carrier Model No. 48HJD008---521 (Rooftop)

• Carrier Model No. 48HCDA062A5A0A0A0 (Ground)

• Carrier Model No. 48NLX042 (Rooftop)

PART 2 – PRODUCTS

2.1 – Not Used

PART 3 – EXECUTION

3.1 - Preparation

Coordinate removal work with the Government.

3.2 – Protection

Protect existing structures and features not required to be removed by construction from damage or displacement.

3.4 – Removal

A. All facilities and materials scheduled for demolition must be completely removed off Government lands and disposed of legally by the Contractor.

B. Removal of HVAC Units and components shall be performed in accordance with industry standards and by licensed professionals in good standing with the state.

C. All work shall be performed in a workman like manner, to the quality and standard of the industry. Contractor shall be an experienced firm that has expertise in demolition work similar in material and extent to that indicated for this Project.

***END OF SPECIFICATION 02010***

*** END DIVISION 2 ***

DIVISION 15 – MECHANICAL

15731 – PACKAGED TERMINAL AIR CONDITIONERS

1.1 - Summary

This Section includes packaged terminal air conditioners, their accessories, and controls.

1.2 – Submittals

A. Product Data: For each product indicated.

B. Shop Drawings: Include details of installation and wiring diagrams.

C. Operation and maintenance data.

1.3 – Quality Assurance

A. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, Article 100, by a testing agency acceptable to authorities having jurisdiction, and marked for intended use.

B. Energy-Efficiency Ratio: Equal to or greater than prescribed by ASHRAE/IESNA 90.1, "Energy Efficient Design of New Buildings except Low-Rise Residential Buildings. "

C. Coefficient of Performance: Equal to or greater than prescribed by ASHRAE/IESNA 90.1, "Energy Efficient Design of New Buildings except Low-Rise Residential Buildings. "

PART 2 – PRODUCTS

2.1 – Packaged Unit System

A. High Efficiency 16 seer, 7.5 TON, Gas/Electric Package Unit or COR approved equal.

B. High Efficiency 16 seer, 7 TON, Gas/Electric Package Unit or COR approved equal.

C. High Efficiency 16 seer, 3.5 TON, Gas/Electric Package Unit or COR approved equal.

D. Sound-Power Level Ratings: Factory test to comply with ARI 270, "Sound Rating of Outdoor Unitary Equipment. "

E. Unit Performance Ratings: Factory test to comply with ARI 310/380, "Packaged Terminal Air-Conditioners and Heat Pumps. "

2.2 – Controls

A. Programmable Thermostat: Microcomputer based with automatic changeover from cooling to heating.

PART 3 – EXECUTION

3.1 – Installation

A. Install and secure units level and plumb in accordance with requirements required by the building code, maintaining manufacturer's recommended clearances and tolerances.

B. Install wall sleeves in finished wall assembly; seal and weatherproof.

C. Install wall sleeves to withstand, without damage to equipment and structure, seismic forces required by building code.

D. All electrical, plumbing, sheetmetal, etc. work shall be considered incidental to the replacement/installation of the equipment. Other infrastructure (including, but not limited to duct work, registers, thermostats, etc.) shall remain in place as part of the system to the maximum extent possible.

3.2 – Connections

A. Electrical System Connections: Comply with applicable requirements required by building code for power wiring, switches, and motor controls.

B. Ground equipment in accordance with requirements required by building code for "Grounding and Bonding. "

***END OF SPECIFICATION 15731***

*** END DIVISION 15 ***

***END OF SPECIFICATIONS***