S06 23 36 00 Air Terminal Units.pdf

VA 813-028 Indiantown Gap National Cemetery

AEW Project No. CFM0-004 Phase 5 Development

Addendum 1

11-01-16

AIR TERMINAL UNITS

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SECTION 23 36 00

PART 1 - GENERAL

1.1 DESCRIPTION

A. Air terminal units.

B. A complete listing of common acronyms and abbreviations are included in

Section 23 05 11, COMMON WORK RESULTS FOR HVAC.

1.2 RELATED WORK

A. Section 01 00 01, GENERAL REQUIREMENTS (Major NCA Projects).

B. Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES.

C. Section 01 42 19, REFERENCE STANDARDS.

D. Section 01 81 13, SUSTAINABLE DESIGN REQUIREMENTS.

E. Section 01 91 00, GENERAL COMMISSIONING REQUIREMENTS.

F. Section 23 05 11, COMMON WORK RESULTS FOR HVAC: General mechanical requirements and items which are common to more than one section of

Division 23.

G. Section 23 05 41, NOISE AND VIBRATION CONTROL FOR HVAC PIPING AND

EQUIPMENT: Noise requirements.

H. Section 23 05 93, TESTING, ADJUSTING, AND BALANCING FOR HVAC: Flow rates adjusting and balancing.

I. Section 23 08 00, COMMISSIONING OF HVAC SYSTEMS.

J. Section 23 31 00, HVAC DUCTS AND CASINGS: Ducts and flexible connectors.

1.3 APPLICABLE PUBLICATIONS

A. The publications listed below form a part of this specification to the extent referenced. The publications are referenced in the text by the basic designation only.

B. Air-Conditioning, Heating, and Refrigeration Institute (AHRI)

880-2011................Performance Rating of Air Terminals

C. National Fire Protection Association (NFPA):

90A-2015................Standard for the Installation of Air-

Conditioning and Ventilating Systems

D. Underwriters Laboratories, Inc. (UL):

181-2013................Standard for Factory-Made Air Ducts and Air

Connectors

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1.4 SUBMITTALS

A. Submittals, including number of required copies, shall be submitted in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND

SAMPLES.

B. Information and material submitted under this section shall be marked

“SUBMITTED UNDER SECTION 23 36 00, AIR TERMINAL UNITS”, with applicable paragraph identification.

C. Manufacturer's Literature and Data including: Full item description and optional features and accessories. Include dimensions, weights, materials, applications, standard compliance, model numbers, size, and capacity.

D. Certificates:

1. Compliance with paragraph, QUALITY ASSURANCE.

2. Compliance with specified standards.

E. Complete operating and maintenance manuals including wiring diagrams, technical data sheets, information for ordering replacement parts, and troubleshooting guide:

1. Include complete list indicating all components of the systems.

2. Include complete diagrams of the internal wiring for each item of equipment.

3. Diagrams shall have their terminals identified to facilitate installation, operation and maintenance.

F. Completed System Readiness Checklist provided by the Commissioning

Agent and completed by the contractor, signed by a qualified technician and dated on the date of completion, in accordance with the requirements of Section 23 08 00, COMMISSIONING OF HVAC SYSTEMS.

G. Submit training plans and instructor qualifications in accordance with the requirements of Section 23 08 00, COMMISSIONING OF HVAC SYSTEMS.

1.5 QUALITY ASSURANCE

A. Refer to paragraph, QUALITY ASSURANCE, in Section 23 05 11, COMMON WORK

RESULTS FOR HVAC.

1.6 AS-BUILT DOCUMENTATION

A. Submit manufacturer’s literature and data updated to include submittal review comments and any equipment substitutions.

B. Submit operation and maintenance data updated to include submittal review comments, substitutions and construction revisions shall be in electronic version on CD or DVD inserted into a three ring binder. All

23 36 00 - 3 aspects of system operation and maintenance procedures, including applicable piping isometrics, wiring diagrams of all circuits, a written description of system design, control logic, and sequence of operation shall be included in the operation and maintenance manual.

The operations and maintenance manual shall include troubleshooting techniques and procedures for emergency situations. Notes on all special systems or devices shall be included. A List of recommended spare parts (manufacturer, model number, and quantity) shall be furnished. Information explaining any special knowledge or tools the owner will be required to employ shall be inserted into the As-Built documentation.

C. The installing contractor shall maintain as-built drawings of each completed phase for verification; and, shall provide the complete set at the time of final systems certification testing. As-built drawings are to be provided, and a copy of them in Auto-CAD version 2018 provided on CD or DVD. Should the installing contractor engage the testing company to provide as-built or any portion thereof, it shall not be deemed a conflict of interest or breach of the ‘third party testing company’ requirement.

D. Certification documentation shall be provided to COR 10 working days prior to submitting the request for final inspection. The documentation shall include all test results, the names of individuals performing work for the testing agency on this project, detailed procedures followed for all tests, and certification that all results of tests were within limits specified.

PART 2 - PRODUCTS

2.1 AMBIENT AIR CLEANERS

A. Air filtration units shall be two stage self contained disposable media air cleaners to remove contaminants of smoke and dust. Filters shall meet or exceed ASHRAE standard 52-76 test methods.

B. Electrostatic type units will not be accepted.

C. Units shall be self supporting for wall or ceiling mounting. Cabinet shall be 16 gauge welded zinc grip steel with a two part urethane coating and a hinged final filter access door.

D. Fan shall be a direct drive 10x10 blower and shall include a ¾ hp 120V-

1ø-60Hz, two speed, totally enclosed motor. Units shall be rated for

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2500 cfm at high speed and 1400 cfm at low speed (minimum capacities).

Units shall include a unit mounted two speed fan switch.

E. Prefilter – 10 sq. ft., 2 inches thick disposable polyester.

F. Final filter – 66 sq. ft., microglass, multi-pocket bag filter at 98% efficiency.

G. Units shall be complete with filter change gauge, 0 to 3 inch range.

H. Units shall include discharge silencer with a four-way adjustable airfoil outlet grille.

I. Provide one complete set of filter for initial installation and two complete additional sets of filter changes.

J.

K. Manufacturers:

1. Airflow Systems Model F-70R

2. Industrial Maid, Cortland, NE

3. Trion, Sanford, NC

4. Or equal as approved by engineer.

PART 3 - EXECUTION

3.1 INSTALLATION

A. If an installation is unsatisfactory to the COR, the Contractor shall correct the installation at no additional cost or time to the

Government.

B. Install as shown and according to the manufacturer’s diagrams and recommendations.

C. Handle and install units in accordance with manufacturer's written instructions.

D. Support units rigidly so they remain stationary at all times. Cross-bracing or other means of stiffening shall be provided as necessary.

Method of support such that distortion and malfunction of units cannot occur.

3.2 STARTUP AND TESTING

A. Make tests as recommended by product manufacturer and listed standards and under actual or simulated operating conditions and prove full compliance with design and specified requirements. Tests of the various items of equipment shall be performed simultaneously with the system of which each item is an integral part.

B. When any defects are detected, correct defects and repeat test at no additional cost or time to the Government.

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C. The Commissioning Agent will observe startup and contractor testing of selected equipment. Coordinate the startup and contractor testing schedules with the COR and Commissioning Agent. Provide a minimum notice of 10 working days prior to startup and testing.

3.3 COMMISSIONING

A. Provide commissioning documentation in accordance with the requirements of Section 23 08 00, COMMISSIONING OF HVAC SYSTEMS.

B. Components provided under this section of the specification will be tested as part of a larger system.

3.4 DEMONSTRATION AND TRAINING

A. Provide services of manufacturer’s technical representative for four hours to instruct each VA personnel responsible in the operation and maintenance of units.

B. Submit training plans and instructor qualifications in accordance with the requirements of Section 23 08 00, COMMISSIONING OF HVAC SYSTEMS.

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