SPECS CVS 252076.pdf

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Attached to
Installation of Rooftop Air Chiller at Wyandot MS 2. 2526
Solicitation number
RFP-CVS-250000002671-1
Issued by
Macomb County, Clio City, Michigan

About this file

This document is a comprehensive set of electrical and mechanical specifications for the Chippewa Valley Schools Wyandot Middle School Chiller Replacement project, prepared by Wakely Associates, Inc. and Unified Business Systems Engineering, LLC. The project involves a chiller replacement at Wyandot Middle School located in Clinton Township, Michigan, with specifications dated June 6, 2025. The documentation includes detailed technical specifications for HVAC, electrical systems, and related components, covering aspects such as piping, insulation, control systems, wiring, and equipment installation requirements. The specifications provide comprehensive guidelines for contractors on materials, installation methods, testing, and quality assurance for the chiller replacement project.

The project specifications outline technical requirements for electrical and mechanical systems, including specific requirements for conduit installation, wiring devices, grounding, identification, and equipment support. The specifications indicate a focus on ensuring high-quality installation, proper system integration, and compliance with national electrical and mechanical codes. While specific budget details are not prominently featured, the document suggests a comprehensive approach to system replacement that prioritizes technical precision, safety, and long-term performance. The specifications are designed to provide clear guidance to contractors and ensure a standardized, high-quality implementation of the chiller replacement project at Wyandot Middle School.

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ALL TRADES SPECIFICATIONS

CHIPPEWA VALLEY SCHOOLS

PROJECT NUMBER: 252076

JUNE 6, 2025

PROJECT

CHIPPEWA VALLEY SCHOOLS

WYANDOT MIDDLE SCHOOL

CHILLER REPLACEMENT

OWNER

Chippewa Valley Schools 19120 Cass Avenue Clinton Township, Michigan 48038

ARCHITECT

Wakely Associates, Inc.

30500 Van Dyke Ave., Suite 209 Warren, Michigan 48093

SPECIFICATIONS

PROJECT NUMBER 252076

JUNE 6, 2025

PROJECT

WYANDOT MIDDLE SCHOOL

CHILLER REPLACEMENT

OWNER

19120 CASS AVENUE

CLINTON TOWNSHIP, MI 48038

ARCHITECT

WAKELY ASSOCIATES, INC.

30500 VAN DYKE, SUITE 209

WARREN, MICHIGAN 48093

586-573-4100

MECHANICAL/ELECTRICAL ENGINEERS

UNIFIED BUSINESS SYSTEMS ENGINEERING, LLC

69 SOUTHBOUND GRATIOT AVE.

MT.CLEMENS, MI 48043

586-500-7055

CHILLER REPLACEMENT 252076 JUNE 6, 2025

TC - 1

TABLE OF CONTENTS PAGES

Title Page 1 Table of Contents 1

DIVISION 0 BIDDING AND CONTRACT REQUIREMENTS

“BY CHIPPEWA VALLEY SCHOOLS”

00851 Index of Drawings 1

DIVISION 1 GENERAL REQUIREMENTS

“BY CHIPPEWA VALLEY SCHOOLS”

DIVISION 23 - HEATING, VENTILATING, AND AIR-CONDITIONING (HVAC)

23 00 05 BASIC HVAC REQUIREMENTS 6

23 05 05 SELECTIVE DEMOLITION FOR HVAC 2

23 05 19 METERS AND GAUGES FOR HVAC PIPING 2

23 05 23 DUTY VALVES FOR HVAC PIPING 6

23 05 53 IDENTIFICATION FOR HVAC PIPING AND EQUIPMENT 2

23 05 93 TESTING, ADJUSTING, AND BALANCING FOR HVAC 4

23 07 19 HVAC PIPING INSULATION 4

23 09 13 INSTRUMENTATION AND CONTROL DEVICES FOR HVAC 11

23 09 25 DIGITAL CONTROL (DDC) SYSTEMS FOR HVAC 19

23 21 13 HYDRONIC PIPING 6

23 21 14 HYDRONIC SPECIALTIES 3

23 25 00 HVAC WATER TREATMENT 3

DIVISION 26 - ELECTRICAL

26 00 05 BASIC ELECTRICAL REQUIREMENTS 4

26 05 05 SELECTIVE DEMOLITION FOR ELECTRICAL 2

26 05 19 VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES 7

26 05 26 GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS 5

26 05 29 HANGERS AND SUPPORTS FOR ELECTRICAL SYSTEMS 4

26 05 33.13 CONDUIT FOR ELECTRICAL SYSTEMS 6

26 05 33.16 BOXES FOR ELECTRICAL SYSTEMS 4

26 05 53 IDENTIFICATION FOR ELECTRICAL SYSTEMS 5

26 27 26 WIRING DEVICES 5

26 28 13 FUSES 2

CHILLER REPLACEMENT 252076 JUNE 6, 2025

INDEX OF DRAWINGS 00851 - 1

SECTION 00851 - INDEX OF DRAWINGS

TITLE SHEET

The following drawings, dated JUNE 6, 2025, are issued for Chippewa Valley Schools, Wyandot Middle School, Chiller Replacement, Clinton Township, Michigan. Architect's Project Number 252076.

TITLE SHEET

SHEET NO. TITLE

MECHANICAL DRAWINGS:

M0.00 MECHANICAL GENERAL INFORMATION

M4.01 ENLARGED MECHANICAL DEMOLITION AND NEW WORK-BOILER ROOM

M4.02 ENLARGED MECHANICAL DEMOLITION-ROOF PLAN

M4.03 ENLARGED MECHANICAL NEW WORK-ROOF ROOM

M7.00 MECHANICAL PIPING DIAGRAMS AND DETAILS

M8.00 TEMPERATURE CONTROLS

ELECTRICAL DRAWINGS:

E0.00 ELECTRICAL GENERAL INFORMATION

EP4.01 ENLARGED ELECTRICAL POWER DEMOLITION AND NEW WORK-BOILER ROOM

EP4.02 ENLARGED ELECTRICAL POWER DEMOLITION-ROOF PLAN

EP4.03 ENLARGED ELECTRICAL POWER NEW WORK-ROOF PLAN

E5.00 ELECTRICAL DETAILS AND ONE-LINE RISER DIAGRAMS

STRUCTURAL DRAWINGS:

S100 ROOF FRAMING PLAN, DETAILS AND SPECIFICATIONS

END OF SECTION 00851

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BASIC HVAC REQUIREMENTS 23 00 05 - 1

SECTION 23 00 05

BASIC HVAC REQUIREMENTS

PART 1 GENERAL

1.01 RELATED DOCUMENTS

A. This section applies to all sections of Division 23.

B. Drawings and general provisions of the contract, including Division 00 and Division 01 specification sections, apply to work of this section.

C. Provide all items, articles, materials, operations or methods listed, mentioned or scheduled on drawings and/or herein, including all labor, materials, equipment and incidentals necessary and required for their completion.

D. The items in this section are supplementary to the requirements set forth in other portions of the specifications as indicated under item "A" above.

1.02 APPLICATION

A. This section applies to all mechanical work. The contractors involved shall check all sections of the specifications in addition to the particular section covering their specific trade. Each distinct section of the specifications aimed for one trade may have detailed information with regards to other trades, therefore, it is imperative that all sections be reviewed to get a complete picture of all other trades' functions and work required.

B. The mechanical contractor is responsible for the installation and operation of the hvac systems and temperature control systems.

C. The mechanical contractor is responsible for receiving, unloading and placement of all of the owner provided equipment.

1.03 INSPECTION OF SITE

A. Visit the site, examine and verify the conditions under which the work must be conducted before submitting proposal.

B. The submitting of a proposal implies that the contractor has visited the site and understands the conditions under which the work must be conducted.

1.04 ALTERNATES AND SUBSTITUTIONS

A. Refer to Division 01 - General Requirements for procedures.

1.05 DEVIATION FROM BASIS OF DESIGN MANUFACTURER

A. Products identified within the schedules and details are used as the basis of design for laying out and coordinating with other trades such as structural, architectural, and electrical. Should the Division 23 Contractors submit equipment by a Manufacturer other than that indicated as the Basis of Design in the Drawings, Contractor shall then be responsible for evaluating the impacts of the proposed Manufacturer’s equipment, even if the Manufacturer is listed in the specifications as an approved equal. This includes the proposed Manufacturer’s electrical, architectural and structural requirements and their subsequent impacts on the current design (roof openings, curbs, structural support, etc.) and coordination of any differing dimensions and clearances with all other trades.

1.06 MATERIALS

A. Mechanical equipment is to be furnished with motors, electrical controls and protective devices, and integral operating devices which are normally included by the manufacturer or required by the Contract Documents.

B. The Mechanical Trades shall provide all control wiring, 120 volts and less, for the equipment and devices furnished under Division 22, and 23 of these specifications, including all wiring devices, conduit, etc.

C. Power wiring 120 volts and greater shall be by the Electrical Trades.

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BASIC HVAC REQUIREMENTS 23 00 05 - 2

1.07 DRAWINGS

A. The drawings are diagrammatic and show the general location and arrangement of all equipment, piping and related items. They shall be followed as closely as elements of the construction will permit.

B. Examine the drawings of other trades and verify the conditions governing the work on the job site. The mechanical and electrical contractor shall check all documents including architectural, structural, plumbing, HVAC and electrical to avert possible installation conflicts. Arrange work accordingly, providing such fittings, traps, valves and accessories as may be required to meet such conditions.

C. Deviations from the drawings, with the exception of minor changes in routing and other such incidental changes that do not affect the functioning or serviceability of the systems, shall not be made without the written approval of the Architect/Engineer.

D. The architectural and structural drawings take precedence in all matters pertaining to the building structure, mechanical drawings in all matters pertaining to mechanical trades and electrical drawings in all matters pertaining to electrical trades. Where there are conflicts or differences between the drawings for the various trades, report such conflicts or differences to the Architect/Engineer for resolution.

E. Do not scale drawings for measurements.

F. Field verifications of actual existing conditions are required by the contractor since actual locations, distances, and levels will be governed by actual field conditions. All measurements shall be verified at the site.

G. If during field verification, the contractor identifies that there may require substantial changes from the original plans, the contractor shall notify the architect for agreement on necessary adjustment before the installation is started

H. Discrepancies shown between plans, or between plans and actual field conditions, or between plans and specifications shall promptly be brought to the attention of the Architect/Engineer for a decision.

I. Drawings and specifications are intended to cover the completed installation of systems to function as described. The omission of the expressed reference to any item of labor and material necessary to comply with practice codes, ordinances, etc., shall not relieve the contractor from providing such additional labor and material at no cost to Owner.

1.08 CODES, PERMITS AND FEES

A. Unless otherwise indicated, all required permits, licenses, inspections, approvals and fees for mechanical work shall be secured and paid for by the contractor. All work shall conform to all applicable codes, rules and regulations. Applicable publications listed in all sections of Division 23 shall be the latest issue, unless otherwise noted.

B. Rules of local utility companies and municipalities shall be complied with. Check with the utility company and/or municipality supplying service to the installation and determine all devices including, but not limited to: meters, regulators, valves which will be required and include the cost of all such items in the proposal.

C. All work shall be executed in accordance with the rules and regulations set forth in local and state codes. Prepare any detailed drawings or diagrams which may be required by the governing authorities. Where the drawings and/or specifications indicate materials or construction in excess of code requirements, the drawings and/or specifications shall govern.

1.09 MAINTENANCE

A. Provide 40 hours of instruction to the owner's designated personnel in the maintenance and operation of equipment and systems.

B. Provide complete maintenance and operating instructional manuals covering all mechanical equipment herein specified, together with parts lists. Maintenance and operating instructional manuals shall be job specific to this project. Generic manuals are not acceptable. Four (4)

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BASIC HVAC REQUIREMENTS 23 00 05 - 3

copies of all literature shall be furnished for owner and shall be bound in book or ring binder form. Maintenance and operating instructional manuals shall be provided when construction is approximately 75% complete.

1.10 WARRANTY AND GUARANTEE

A. Contractor shall guarantee all work installed by themselves or their subcontractors to be free from defect in material and workmanship for a period of one year from date of final acceptance of the work, unless a longer period is stipulated under specific headings. Contractor shall repair or replace at no additional cost to the owner, any material or equipment developing defects and shall also make good any damage caused by such defects or the correction of defects. Repairs or replacements shall bear additional guarantee, as originally called for, dated from the final acceptance of the repair or replacement. This requirement shall be binding even though it will exceed product guarantees normally furnished by some manufacturers. Contractor shall submit his own and each equipment manufacturers written certificates, warranting that each item of equipment furnished complies with all requirements of the drawings and specifications.

Note that guarantee shall run from date of final acceptance of the work, not from date of installation of a device or piece of equipment.

1.11 SUBMITTALS

A. Refer to Division 01 - General Requirements for procedures.

B. Contractor shall provide submittals where items are referred to by symbolic designation on the drawings. All submittals shall bear the same designation (hvac equipment, piping equipment, etc.). Refer to other sections of the mechanical specifications for additional requirements.

C. Engineer WILL NOT REVIEW:

1. Submittals not specified.

2. Submittals not reviewed by Contractor, including Contractor stamp with signature comments.

3. Submittals made after work is delivered to site and/or installed.

4. Submittal resubmissions unless resubmission is required by Architect/Engineer.

D. Types of submittals include the following:

1. Shop Drawings

2. Product Data Sheets

3. Samples

4. Manufacturers Instructions

5. Maintenance Data

6. Warranty

E. Installation of any item that requires submittal approval by the engineer shall be installed at the contractors risk. The contractor, at his cost, shall remove all work installed prior to approval of the submittal.

F. The engineer will not be responsible for errors in quantities, or dimensions required to fit the job condition, details of fabrication to insure proper assembly at the job, or for errors resulting from mistakes in submittals.

1.12 RECORD DRAWINGS

A. Refer to Division 01 - General Requirements for procedures.

B. Contractor shall provide the following record drawings as part of the Project closeout document process:

1. Contract Documents, specifications and submittals, indicating "As-Built" conditions and actual products selected for use.

2. Product and Maintenance manuals for all equipment listed within this specification manual and in Contract Documents. Provide with parts lists as applicable.

C. Record drawings shall be maintained by the contractor up to date as the project progresses.

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BASIC HVAC REQUIREMENTS 23 00 05 - 4

D. Recording all deviations from the contract documents, indicate exact locations of all buried services both inside and outside of the building; include concealed piping and equipment in the entire contract. Final record drawings shall reflect the as-built conditions.

1.13 QUALITY ASSURANCE

A. Other referenced standards:

1. Comply with referenced standards, guidelines, data sheets from various associations, including NFPA, ANSI, ASTM, ASME, ASHRAE

PART 2 PRODUCTS

2.01 SLEEVES AND ESCUTCHEONS

A. Provide sleeves wherever pipes pass through exterior wall, and floors. Sleeves shall be schedule 40 steel pipe cut to length. Sleeves shall terminate flush with walls, partitions and ceilings in finished areas. All sleeves through floor shall extend 2" above floor. Provide cast brass nickel-plated escutcheons with positive catches on each visible sleeve penetration.

Sleves are to be sealed at each installation with a 3M approved sealant. The space between the inside of the sleeve and the outside of the pipe or conduit with in the sleeve shall be sealed at each installation with a 3M approved sealant.

2.02 DIELECTRIC UNIONS

A. Dielectric unions shall be used to connect dissimilar metals (such as steel and copper) to prevent electrolytic action.

2.03 FILTERS

A. Provide and maintain filters in air handling systems throughout the construction period and prior to final acceptance of the building. Do not run air handling equipment without all prefilters and final filters as specified. Immediately prior to final building acceptance by the owner, contractor shall replace all disposable type air filters with new.

2.04 BUILDING ATTACHMENTS FOR MECHANICAL WORK SUPPORTS

A. General Requirements:

1. Provide building attachments required for supporting mechanical work, suitably selected and installed for the loads applied with a minimum additional safety factor of 3.

2. Where specified attachments are not suitable for conditions, submit to Engineer for approval, proposal for alternate building attachments.

3. If specially designed building attachments are required, retain the services of a licenced structural engineer to design such building attachments.

4. Approved Manufacturers: Grinnell, or equivalent products by Michigan Hanger and B-Line.

5. Provide supplemental trapeze supports where necessary. Design trapeze to support all trades. Coordinate loads, and supports with all trades. Size trapeze for maximum deflection of 1/64 of the span.

B. Attachments to Structural Steel:

1. Support mechanical work from building structural steel where possible and approved. No welding or bolting to structural steel is permitted unless authorized by Architect. C-clamps are not permitted.

a. Center beam clamp - for loads over 120 lb.: Malleable center hung Grinnell Fig. 228.

b. Side beam clamp with retaining clips - for loads up to 120 lb.

C. Cast in Place Concrete Inserts:

1. Provide inserts selected for applied load of present load plus 100% for future, and coordinated with concrete work. Except as detailed on drawings, inserts shall be Unistrut or Grinnell. Plan, lay out and coordinate setting of inserts prior to concrete pour. Use Grinnell Fig. 285 lightweight concrete insert for loads up to 400# or Grinnell Fig. 281 Wedge Type concrete insert for loads up to 1200#

D. Drilled Insert Anchors:

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BASIC HVAC REQUIREMENTS 23 00 05 - 5

1. Where mechanical work cannot be supported from structural steel, or cast in place concrete inserts, provide drilled concrete insert anchors. Submit for approval, project specific installation drawings for all loads over 100 lbs. Install inserts in web of beam if possible and approved. Insert depth shall not exceed two thirds the thickness of the concrete. Where existing concrete appears to be deteriorating, or where applied load at insert exceeds 1000 lbs., conduct test of concrete to determine derated capacity of insert.

Anchors may be adhesive or expansion type up to 1000 lbs., and shall be adhesive type for loads over 1000 lbs.

2. Manufacturers: Hilti

PART 3 EXECUTION

3.01 GENERAL

A. Existing piping and ductwork: when encountered during the course of work, protect, brace and support existing piping and ductwork where required for proper execution of the work.

B. Interruption of existing active piping and ductwork: when the course of work makes shut-down of services unavoidable, the mechanical contractor shall schedule the shut-down at such time as approved by the owners representative, which will cause least interference with established operating routine.

C. Arrange work accordingly, providing such fittings as duct transitions traps, valves and accessories necessary to complete all construction in an orderiy fashion.

D. Install all equipment in strict accordance all directions and recommendations furnished by the manufacturer.

3.02 ACCESSIBILITY

A. Do not locate valves, traps, controls, unions, dampers, etc. in any system at a location that will be inaccessible after construction is completed. Maintain accessibility for all components in mechanical, electrical, and plumbing systems.

3.03 ACCESS DOORS AND PANELS

A. Refer to Division 08 - Openings; Provide access doors in locations as required by applicable codes and as indicated below. Coordinate locations with architectural trades.

B. Furnish access panels to access valves, traps, control valves or devices, dampers, damper motors, etc. Access panels shall be sized as necessary for ample access, or as indicated on drawings, but no smaller than 12" x 12" where devices are within easy reach of operator, and at least 24"x24" when operator must pass through opening in order to reach the devices.

Architectural Trades shall install access panels coordinated with Mechanical Trades.

C. Access panels in fire rated walls or ceiling must be U.L. labeled for intended use. Unless otherwise indicated on plans, access doors shall be hinged flush type steel framed panel, 14 gauge minimum for frame, and with anchor straps. Only narrow border shall be exposed.

Hinges shall be concealed type. Locking device shall be flush type and screw driver operated.

Metal surfaces shall be prime coated with rust-inhibitive paint. Panels shall be compatible with architectural adjacent materials Manufacturer: Milcor, Bilco.

3.04 CUTTING AND PATCHING

A. Refer to Division 01 - General Requirements and Division 02 - Existing Conditions.

B. All cutting required shall be done by the contractor whose work is involved, without extra cost the owner. All patching and restoration including the furnishing and installation of access panels in ceiling, walls; etc. Within the building lines shall be done by the respective, responsible contractor. No cutting of structural steel, concrete, or wood shall be done without prior approval and explicit directions of the architect patched by the respective, responsible contractor.

C. The contractor, under whose jurisdiction the work may fall, shall provide labor, material, and tools required to cut, repair, protect, cap, or relocate existing pipes, conduits, or utilities interfering with or uncovered during work, per regulations of the authorities having jurisdiction.

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BASIC HVAC REQUIREMENTS 23 00 05 - 6

3.05 ROUGH-IN FOR CONNECTION TO EQUIPMENT

A. It shall be the responsibility of each contractor to study the architectural, structural, electrical, and mechanical drawings, conferring with the various trades involved and checking with the supplier of equipment in order to properly rough-in for all equipment.

3.06 MATERIAL AND EQUIPMENT

A. All material and equipment shall be new and of the best quality used for the purpose in good commercial practice, and shall be the standard product of reputable manufacturers. The material and equipment must meet approval of state and local codes in the area it is being used. Roof decks shall not be used to support piping, conduit, equipment, devices, etc.

3.07 SEAL PENETRATIONS

A. Seal the space around pipes in sleeves and around duct openings through walls, floors and ceilings. Provide adequate clearance to allow for proper sealing.

3.08 SOUND CONTROL

A. Penetrations shall be maintained airtight to prevent sound transfer.

B. Piping, ductwork, etc. shall pass through sleeves. Pack sleeves tight with glass fiber or oakum and caulked on both sides with non-hardening acoustical sealant.

3.09 FIRESTOPPING

A. Refer to Division 07 - Thermal and Moisture Protection for more information.

B. Provide UL classified firestopping system for mechanical penetrations through rated walls and floors to maintain the fire rating.

3.10 DELIVERY, STORAGE AND HANDLING OF EQUIPMENT AND MATERIALS

A. Refer to Division 01 - General Requirements; All equipment and materials shall be delivered, stored and secured per manufacturer's recommendations.

B. On-site storage shall be coordinated with Construction Manager and be performed in a manner as to avoid damage, deterioration and loss.

C. Contractor shall provide temporary protection for installed equipment prior to project completion.

D. Provide temporary end caps and closures on piping and fittings. Maintain in place until installation.

E. All equipment shall be inspected prior to installation to assure that equipment is free from defect and damage.

F. Protect piping systems from entry of foreign materials by temporary covers, completing sections of the work, and isolating parts of completed system.

G. Protect dampers, grilles, louvers from damage to operating linkages and blades.

3.11 CLEANING

A. Refer to Division 01 - General Requirements; all mechanical equipment and components shall be cleaned as frequently as necessary through the construction process and again prior to project completion.

3.12 CONTROL WIRING

A. All control wiring for mechanical and electrical equipment, including motor starters, shall be 120 volt maximum and wired with one side of the coil grounded and the operating contacts in the north side of the circuit. All control wiring shall be installed in conduit.

END OF SECTION

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SELECTIVE DEMOLITION FOR

HVAC

23 05 05 - 1

SECTION 23 05 05

SELECTIVE DEMOLITION FOR HVAC

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Demolition and extension of existing mechanical work.

1.02 RELATED REQUIREMENTS

A. Division 01 - General Requirements: Project administrative and procedural requirements.

B. Division 02 - Existing Conditions: Demolition, cleaning and disposal requirements, cutting and patching requirements, repairs.

1.03 SUMMARY

A. The work covered under this section consists of the furnishing of all necessary labor, supervision, materials, equipment, and services to completely execute the system of minor electrical demolition as described in this specification.

B. The demolition documents plans and specification have been prepared from existing non-as built documents and cursory non-invasive field investigation.

C. It is the contractors obligation to become familiar with the extent of demolition and the existing condition before submitting their bid.

D. During demolition if the contractor discovers unforeseen significant non-code compliance conditions of the existing installation they shall notify the Architect and Engineer immediately in writing.

E. The contractor shall become familiar with the drawings and scope of work of other trades as the work scope of those trades relates to mechanical equipment and connection requirements.

F. During demolition the contractor shall record on site as-builts all hydronic system piping capped branches, capped supply air, return air and exhaust ducts for reuse in renovated project space.

PART 2 PRODUCTS

2.01 MATERIALS

A. Materials and equipment for patching and extending work: As specified in individual sections.

PART 3 EXECUTION

3.01 EXAMINATION

A. Verify that piping and ductwork to be demolished serve only equipment and facilities within the demolition areas.

B. Demolition drawings are based on casual field observation and existing record documents.

C. Report discrepancies to Owner before disturbing existing installation.

D. Beginning of demolition means installer accepts existing conditions.

3.02 PREPARATION

A. Identify locations for capping piping and ductwork before any demolition work commences.

B. Confirm isolation valve locations for hydronic piping. Repair leaking isolation valves or replace inoperable valves before commencing piping demolition.

C. Cap and seal air-tight supply, return and exhaust air ductwork at shaft walls before commencing sheet metal demolition

3.03 DEMOLITION AND EXTENSION OF EXISTING MECHANICAL WORK

A. Remove, relocate, and extend existing mechanical piping or sheet metal work to accommodate new construction.

B. Remove hydronic water piping back to isolation valve.

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SELECTIVE DEMOLITION FOR

HVAC

23 05 05 - 2

C. Remove all supply, return and exhaust air ductwork back to main connection.

D. Evacuate all properly dispose of all refrigerant in existing mechanical systems per EPA requirements.

3.04 CLEANING AND REPAIR

A. Refer to Division 01 - General Requirements for procedures.

B. Clean and repair existing materials and equipment that remain or that are to be reused.

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Meters and Gauges for HVAC Piping

23 05 19 - 1

SECTION 23 05 19

METERS AND GAUGES FOR HVAC PIPING

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Pressure gauges and pressure gauge taps.

B. Thermometers and thermometer wells.

1.02 RELATED REQUIREMENTS

A. Section 23 21 13 - Hydronic Piping.

1.03 REFERENCE STANDARDS

A. ASME B40.100 - Pressure Gauges and Gauge Attachments; 2013.

B. ASME MFC-3M - Measurement of Fluid Flow in Pipes Using Orifice, Nozzle, and Venturi; 2004

(Reaffirmed 2017).

C. ASTM E1 - Standard Specification for ASTM Liquid-in-Glass Thermometers; 2014.

D. ASTM E77 - Standard Test Method for Inspection and Verification of Thermometers; 2014

(Reapproved 2021).

E. UL 393 - Indicating Pressure Gauges for Fire-Protection Service; Current Edition, Including All

Revisions.

1.04 SUBMITTALS

A. Product Data: Provide list that indicates use, operating range, total range and location for manufactured components.

PART 2 PRODUCTS

2.01 PRESSURE GAUGES

A. Pressure Gauges: ASME B40.100, UL 393 drawn steel case, phosphor bronze bourdon tube, rotary brass movement, brass socket, with front recalibration adjustment, black scale on white background.

1. Case: Steel with brass bourdon tube.

2. Size: 4-1/2 inch (115 mm) diameter.

2.02 PRESSURE GAUGE TAPPINGS

2.03 STEM TYPE THERMOMETERS

A. Thermometers - Adjustable Angle: Red- or blue-appearing non-toxic liquid in glass; ASTM E1;

lens front tube, cast aluminum case with enamel finish, cast aluminum adjustable joint with positive locking device; adjustable 360 degrees in horizontal plane, 180 degrees in vertical plane.

1. Size: 9 inch (225 mm) scale.

PART 3 EXECUTION

3.01 INSTALLATION

A. Install in accordance with manufacturer's instructions.

B. Provide one pressure gauge per pump, installing taps before strainers and on suction and discharge of pump. Pipe to gauge.

C. Install thermometers in piping systems in sockets in short couplings. Enlarge pipes smaller than 2-1/2 inch (60 mm) for installation of thermometer sockets. Ensure sockets allow clearance from insulation.

D. Install thermometer sockets adjacent to controls system thermostat, transmitter, or sensor sockets. Refer to Section 23 09 43. Where thermometers are provided on local panels, duct or pipe mounted thermometers are not required.

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Meters and Gauges for HVAC Piping

23 05 19 - 2

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DUTY VALVES FOR HVAC

PIPING

23 05 23 - 1

SECTION 23 05 23

DUTY VALVES FOR HVAC PIPING

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Applications.

B. General requirements.

C. Ball valves.

D. Butterfly valves.

E. Check valves.

F. Combination flow measuring and balancing valves.

1.02 RELATED REQUIREMENTS

A. Section 23 0553 - Identification for HVAC Piping and Equipment.

B. Section 23 0719 - HVAC Piping Insulation.

C. Section 23 2113 - Hydronic Piping.

1.03 ABBREVIATIONS AND ACRONYMS

A. CWP: Cold working pressure.

B. EPDM: Ethylene propylene copolymer rubber.

C. NBR: Acrylonitrile-butadiene, Buna-N, or nitrile rubber.

D. PTFE: Polytetrafluoroethylene.

E. SWP: Steam working pressure.

F. TFE: Tetrafluoroethylene.

1.04 REFERENCE STANDARDS

A. API STD 594 - Check Valves: Flanged, Lug Wafer, and Butt-Welding 2017.

B. ASME B1.20.1 - Pipe Threads, General Purpose (Inch) 2013 (Reaffirmed 2018).

C. ASME B16.1 - Gray Iron Pipe Flanges and Flanged Fittings: Classes 25, 125, and 250 2015.

D. ASME B16.5 - Pipe Flanges and Flanged Fittings NPS 1/2 Through NPS 24 Metric/Inch

Standard 2017.

E. ASME B16.10 - Face-to-Face and End-to-End Dimensions of Valves 2017.

F. ASME B16.18 - Cast Copper Alloy Solder Joint Pressure Fittings 2018.

G. ASME B16.34 - Valves - Flanged, Threaded and Welding End 2017.

H. ASME B31.9 - Building Services Piping 2020.

I. ASTM A126 - Standard Specification for Gray Iron Castings for Valves, Flanges, and Pipe

Fittings 2004 (Reapproved 2019).

J. ASTM A216/A216M - Standard Specification for Steel Castings, Carbon, Suitable for Fusion

Welding, for High-Temperature Service 2018.

K. ASTM A395/A395M - Standard Specification for Ferritic Ductile Iron Pressure-Retaining

Castings for Use at Elevated Temperatures 1999 (Reapproved 2018).

L. ASTM A536 - Standard Specification for Ductile Iron Castings 1984 (Reapproved 2014).

M. ASTM B62 - Standard Specification for Composition Bronze or Ounce Metal Castings 2017.

N. AWWA C606 - Grooved and Shouldered Joints 2015.

O. MSS SP-45 - Bypass and Drain Connections 2003 (Reaffirmed 2008).

P. MSS SP-67 - Butterfly Valves 2017.

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Q. MSS SP-71 - Cast Iron Swing Check Valves, Flanged and Threaded Ends 2018.

R. MSS SP-72 - Ball Valves with Flanged or Butt-Welding Ends for General Service 2010a.

S. MSS SP-80 - Bronze Gate, Globe, Angle and Check Valves 2013.

T. MSS SP-110 - Ball Valves Threaded, Socket-Welding, Solder Joint, Grooved and Flared Ends

2010.

1.05 SUBMITTALS

A. See Section 01 3000 - Administrative Requirements, for submittal procedures.

B. Product Data: Provide data on valves including manufacturers catalog information. Submit performance ratings, rough-in details, weights, support requirements, and piping connections.

1.06 QUALITY ASSURANCE

A. Manufacturer:

1. Obtain valves for each valve type from single manufacturer.

PART 2 PRODUCTS

2.01 APPLICATIONS

A. Provide the following valves for the applications if not indicated on drawings:

1. Throttling (Hydronic): Combinations and Flow Measuring .

2. Isolation (Shutoff): Butterfly and Ball .

3. Pump Outlet: Spring Loaded Check.

4. Dead-End: Butterfly, single-flange (lug) type.

B. Substitutions of valves with higher CWP classes or SWP ratings for same valve types are permitted when specified CWP ratings or SWP classes are not available.

C. Required Valve End Connections for Non-Wafer Types: Use flanges, unions or grooved couplings to allow disconnection of components for servicing.

D. Hydronic Valves:

1. 2 NPS and Smaller, Bronze Valves.

2. 2-1/2 NPS and Larger, Cast Steel Valves or Butterfly Valves.

2.02 GENERAL REQUIREMENTS

A. Valve Pressure and Temperature Ratings: No less than rating indicated; as required for system pressures and temperatures.

B. Valve Sizes: Match upstream piping unless otherwise indicated.

C. Valve Actuator Types:

1. Gear Actuator: Quarter-turn valves 8 NPS and larger.

2. Handwheel: Valves other than quarter-turn types.

3. Hand Lever: Quarter-turn valves 6 NPS and smaller .

D. Valves in Insulated Piping: Provide 2 NPS stem extensions and the following features:

1. Ball Valves: Extended operating handle of non-thermal-conductive material, and protective sleeve that allows operation of valve without breaking the vapor seal or disturbing insulation.

2. Butterfly Valves: Extended neck.

3. Memory Stops: Fully adjustable after insulation is installed.

E. Memory Stops: Fully adjustable after insulation is installed.

F. Valve-End Connections:

1. Threaded End Valves: ASME B1.20.1.

2. Flanges on Iron Valves: ASME B16.1 for flanges on iron valves.

3. Pipe Flanges and Flanged Fittings 1/2 NPS through 24 NPS: ASME B16.5.

4. Solder Joint Connections: ASME B16.18.

5. Grooved End Connections: AWWA C606.

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G. General ASME Compliance:

1. Ferrous Valve Dimensions and Design Criteria: ASME B16.10 and ASME B16.34.

2. Building Services Piping Valves: ASME B31.9.

H. Bronze Valves:

1. Fabricate from dezincification resistant material.

2. Copper alloys containing more than 15 percent zinc are not permitted.

I. Valve Bypass and Drain Connections: MSS SP-45.

2.03 BRONZE BALL VALVES

A. Two Piece, Full Port with brass Trim:

1. Comply with MSS SP-110.

2. SWP Rating: 150 psig.

3. CWP Rating: 600 psig.

4. Body: Bronze.

5. Ends: Solder or threaded with union.

6. Seats: PTFE .

7. Stem: Bronze or brass.

8. Ball: Chrome plated brass.

9. Manufacturers:

a. Apollo Valves : www.apollovalves.com/#sle.

b. Binomi North America.

c. Tyco Flow Control: www.tycoflowcontrol.com

d. Grinnel Products: www.grinnel.com

e. Victaulic Company: www.victaulic.com

f. Milwaukee Valve Company: www.milwaukeevalve.com

g. Kitz Corporation of Ameria.

h. Jomar Valves: www.jomarvalve.com

i. Substitutions: See Section 01 6000 - Product Requirements.

2.04 CARBON STEEL BALL VALVES

A. Class 300, Full Port, Stainless Steel Trim:

1. Comply with MSS SP-72.

2. CWP Rating: 285 psig .

3. Body: Carbon steel, ASTM A216/A216M, Type WCB.

4. Ends: Flanged.

5. Seats: PTFE.

6. Stem: Stainless steel.

7. Ball: Stainless steel, vented.

8. Manufacturers:

a. Apollo Valves : www.apollovalves.com/#sle.

b. Binomi North America.

c. Tyco Flow Control: www.tycoflowcontrol.com

d. Grinnel Products: www.grinnel.com

e. Victaulic Company: www.victaulic.com

f. Milwaukee Valve Company: www.milwaukeevalve.com

g. Kitz Corporation of Ameria.

h. Jomar Valve: www.jomarvalve.com

i. Substitutions: See Section 01 6000 - Product Requirements.

2.05 IRON, SINGLE FLANGE BUTTERFLY VALVES

A. Lug type: Bi-directional dead end service without downstream flange.

1. Comply with MSS SP-67, Type I.

2. CWP Rating: 150 psig .

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3. Body Material: ASTM A126 cast iron or ASTM A536 ductile iron .

4. Stem: Stainless steel with stem offset from the centerline to provide full 360 degree circumferential setting.

5. Seat: replaceable EPDM.

6. Disc: Construct of aluminum bronze, chrome plated ductile iron, stainless steel, ductile iron with EPDM encapsulation, or Buna-N encapsulation.

7. Operator: 10 position lever handle.

8. Manufacturers:

a. Apollo Valves : www.apollovalves.com/#sle.

b. Tyco Flow Control: www.tycoflowcontrol.com.

c. ABZ Valves and Controls.

d. Hammond Valve: www.hammondvalve.com

e. Grinnel Products: www.grinnel.com

f. Victaulic Company: www.victaulic.com

g. Jomar Valve: www.jomarvalve.com

h. Substitutions: See Section 01 6000 - Product Requirements.

2.06 IRON, GROOVED-END BUTTERFLY VALVES

A. CWP Rating: 175 psig (1200 kPa) .

1. Comply with MSS SP-67, Type I.

2. Body: Coated ductile iron.

3. Stem: Stainless steel with stem offset from the centerline to provide full 360 degree circumferential setting.

4. Disc: Coated ductile iron.

5. Disc Seal: replaceable EPDM.

6. Operator: 10 position lever handle.

7. Manufacturers:

a. Apollo Valves : www.apollovalves.com/#sle.

b. Tyco Flow Control: www.tycoflowcontrol.com .

c. ABZ Valves and Controls.

d. Hammond Valve: www.hammondvalve.com

e. Grinnel Products: www.grinnel.com

f. Victaulic Company: www.victaulic.com

g. Substitutions: See Section 01 6000 - Product Requirements.

2.07 BRONZE SWING CHECK VALVES

A. Class 125: CWP Rating: 200 psig (1380 kPa) .

1. Comply with MSS SP-80, Type 3.

2. Body Design: Horizontal flow.

3. Body Material: Bronze, ASTM B62.

4. Ends: Soldered.

5. Disc: Bronze.

6. Manufacturers:

a. Apollo Valves : www.apollovalves.com/#sle.

b. Grinnell Products: www.grinnell.com.

c. Kitz Corporation of America.

d. Tyco Flow Control: www.tycoflowcontrol.com

e. Victaulic Company: www.victaulic.com

f. Substitutions: See Section 01 6000 - Product Requirements.

2.08 IRON, FLANGED END SWING CHECK VALVES

A. Class 125: CWP Rating: 200 psig (1380 kPa) with Nonmetallic-to-Metal Seats .

1. Comply with MSS SP-71, Type I.

2. Design: Clear or full waterway with flanged ends.

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3. Body: Gray iron with bolted bonnet in accordance with ASTM A126.

4. Trim: Bronze.

5. Disc: Stainless steel, bronze, or bronze faced rotating swing. Renewable disc and seat.

6. Gasket: Asbestos free.

B. Manufacturers:

1. Apollo Valves : www.apollovalves.com/#sle.

2. Ferguson Enterprises Inc: www.fnw.com/#sle.

3. Grinnel Products: www.grinnell.com .

4. Kitz Corporation of America.

5. Tyco Flow Control: www.tycoflowcontrol.com

6. Victaulic Company: www.victaulic.com

7. Titan Flow: www.titanfci.com

8. Substitutions: See Section 01 6000 - Product Requirements.

2.09 IRON, GROOVED-END SWING CHECK VALVES

A. 300 CWP:

1. Body Material: ASTM A536, Grade 65-45-12 ductile iron.

2. Seal: EPDM or Nitrile .

3. Disc: Stainless steel .

4. Coating: Black, non-lead paint.

5. Manufacturers:

a. Grinnel Products: www.grinnell.com .

b. Kitz Corporation of America.

c. Tyco Flow Control: www.tycoflowcontrol.com

d. Victaulic Company: www.victaulic.com

e. Titan Flow: www.titanfci.com

f. Substitutions: See Section 01 6000 - Product Requirements.

2.10 IRON, PLATE-TYPE, SPRING LOADED CHECK VALVES

A. Class 125 Dual-Plate:

1. Comply with API STD 594.

2. 2-1/2 NPS to 12 NPS, CWP Rating: 200 psig.

3. Body Design: Wafer or threaded lug ends, spring-loaded plates.

4. Body Material: ASTM A126, gray iron.

5. Trim: Bronze.

6. Resilient Seat: EPDM.

7. Spring: Stainless steel.

8. Manufacturers:

a. Tyco Flow Control: www.tycoflowcontrol.com.

b. Crane Co.: www.cranevalve.com

c. Kitz Corporation of America.

d. Victaulic Company: www.victaulic.com

e. Titan Flow: www.titanfci.com

f. Substitutions: See Section 01 6000 - Product Requirements.

2.11 COMBINATION FLOW MEASURING AND BALANCING VALVE

A. Construction:

1. Manual Flow Control devices shall be fixed orifice venturi, modified venturi, or pitot balancing type accurate to at least +/- 3%.

2. Valves 2-1/2" and smaller shall be modified venturi style, forced brass body and with integrated ball valve, (2) pressure/temperature test ports, additional port for air vent or drain valve, a tag indicating the model and Cv, memory stop with graduated scale, blowout proof stem with dual O-ring seals, interchangeable union end with O-ring seal, hard chrome plated ball with Teflon seats, and rated at 600 PSI WOG, 325 degrees F.

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3. Valves 2-1/2" and larger shall be venturi or pitot balancing type accurate to at least +/- 3%.

a. Venturi balancing type shall be a flanged carbon steel ST37 body (per ASME B16.5, Class 150 Flanges); butterfly valve with infinite position memory stop and 316 stainless steel disc. Valve shall have (2) 1/4" NPT ports and be rated for 230 PSI, 250 degrees F.

b. Pitot tube balancing type shall be flanged cast iron body (per ASTM A126, Class B Flanges) metering station with stainless steel pitot tube; a tag indicating the model and Cv; butterfly valve with infinite position memory stop and 316 stainless steel disc.

Valve shall have a minimum, (2) 1/4" NPT ports, (1) 1/2" NPT port and (1) additional 3/4" NPT port. Valve shall be rated at 175 PSI, 275 degrees F.

PART 3 EXECUTION

3.01 EXAMINATION

A. Discard all packing materials and verify that valve interior, including threads and flanges, are completely clean without signs of damage or degradation that could result in leakage.

B. Verify valve parts to be fully operational in all positions from closed to fully open.

C. Confirm gasket material to be suitable for the service, to be of correct size, and without defects that could compromise effectiveness.

D. Should valve is determined to be defective, replace with new valve.

3.02 INSTALLATION

A. Provide unions or flanges with valves to facilitate equipment removal and maintenance while maintaining system operation and full accessibility for servicing.

B. Provide separate valve support as required and locate valve with stem at or above center of piping, maintaining unimpeded stem movement.

C. Install valves with stems upright or horizontal, not inverted.

D. Install check valves where necessary to maintain direction of flow as follows:

1. Swing Check: Install horizontal maintaining hinge pin level.

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IDENTIFICATION FOR HVAC

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SECTION 23 05 53

IDENTIFICATION FOR HVAC PIPING AND EQUIPMENT

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Nameplates.

B. Pipe markers.

1.02 SUBMITTALS

A. See Section 01 3000 - Administrative Requirements for submittal procedures.

B. List: Submit list of wording, symbols, letter size, and color coding for mechanical identification.

C. Chart and Schedule: Submit valve chart and schedule, including valve tag number, location, function, and valve manufacturer's name and model number.

D. Product Data: Provide manufacturers catalog literature for each product required.

PART 2 PRODUCTS

2.01 NAMEPLATES

A. Manufacturers:

1. Seton Identification Products, a Tricor Direct Company : www.seton.com/#sle.

2. Brady Corporation: www.bradycorp.com.

3. Champion America, Inc: www.champion-america.com.

4. Substitutions: See Section 01 6000 - Product Requirements.

B. Letter Color: White.

C. Letter Height: 1/4 inch.

D. Background Color: Black.

2.02 TAGS

A. Manufacturers:

1. Seton Identification Products, a Tricor Company : www.seton.com/#sle.

2. Brady Corporation: www.bradycorp.com .

3. Champion America, Inc: www.champion-america.com.

4. Substitutions: See Section 01 6000 - Product Requirements.

B. Plastic Tags: Laminated three-layer plastic with engraved black letters on light contrasting background color. Tag size minimum 1-1/2 inch diameter.

C. Metal Tags: Brass with stamped letters; tag size minimum 1-1/2 inch diameter with smooth edges.

D. Valve Tag Chart: Typewritten letter size list in anodized aluminum frame.

2.03 PIPE MARKERS

A. Manufacturers:

1. Seton Identification Products, a Tricor Company : www.seton.com/#sle.

2. Brady Corporation: www.bradycorp.com .

3. Champion America, Inc: www.champion-america.com.

4. Substitutions: See Section 01 6000 - Product Requirements.

B. Color: Comply with ASME A13.1.

C. Plastic Pipe Markers: Factory fabricated, flexible, semi- rigid plastic, preformed to fit around pipe or pipe covering; minimum information indicating flow direction arrow and identification of fluid being conveyed.

D. Underground Plastic Pipe Markers: Bright colored continuously printed plastic ribbon tape, minimum 6 inches wide by 4 mil thick, manufactured for direct burial service.

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PART 3 EXECUTION

3.01 PREPARATION

A. Degrease and clean surfaces to receive adhesive for identification materials.

3.02 INSTALLATION

A. Install nameplates with corrosive-resistant mechanical fasteners, or adhesive. Apply with sufficient adhesive to ensure permanent adhesion and seal with clear lacquer.

B. Install tags with corrosion resistant chain.

C. Install plastic pipe markers in accordance with manufacturer's instructions.

D. Install underground plastic pipe markers 6 to 8 inches below finished grade, directly above buried pipe.

E. Identify air handling units, pumps, heat transfer equipment, tanks, and water treatment devices with nameplates. Small devices, such as inline pumps, may be identified with tags.

F. Identify control panels and major control components outside panels with nameplates.

G. Identify thermostats relating to terminal boxes or valves with nameplates.

H. Identify valves in main and branch piping with tags.

I. Identify air terminal units and radiator valves with numbered tags.

J. Identify piping, concealed or exposed, with pipe markers. Use tags on piping 3/4 inch diameter and smaller. Identify service, flow direction and pressure. Install in clear view and align with axis of piping. Locate identification not to exceed 20 feet on straight runs including risers and drops, adjacent to each valve and tee, at each side of penetration of structure or enclosure, and at each obstruction.

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TESTING, ADJUSTING, AND

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SECTION 23 05 93

TESTING, ADJUSTING, AND BALANCING FOR HVAC

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Testing, adjustment, and balancing of air systems.

B. Measurement of final operating condition of HVAC systems.

1.02 RELATED REQUIREMENTS

A. Section 23 0005 - Basic HVAC Requirements.

1.03 REFERENCE STANDARDS

A. AABC (NSTSB) - AABC National Standards for Total System Balance, 7th Edition 2016.

B. ASHRAE Std 111 - Measurement, Testing, Adjusting, and Balancing of Building HVAC

Systems 2008 (Reaffirmed 2017).

C. NEBB (TAB) - Procedural Standards for Testing Adjusting and Balancing of Environmental

Systems 2015, with Errata (2017).

D. SMACNA (TAB) - HVAC Systems Testing, Adjusting and Balancing 2002.

1.04 SUBMITTALS

A. See Section 01 3000 - Administrative Requirements, for submittal procedures.

B. Installer Qualifications: Submit name of adjusting and balancing agency and TAB supervisor for approval within 30 days after award of Contract.

C. TAB Plan: Submit a written plan indicating the testing, adjusting, and balancing standard to be followed and the specific approach for each system and component.

1. Submit six weeks prior to starting the testing, adjusting, and balancing work.

2. Include at least the following in the plan:

a. List of all air flow, water flow, sound level, system capacity and efficiency measurements to be performed and a description of specific test procedures, parameters, formulas to be used.

b. Copy of field checkout sheets and logs to be used, listing each piece of equipment to be tested, adjusted and balanced with the data cells to be gathered for each.

c. Discussion of what notations and markings will be made on the duct and piping drawings during the process.

d. Final test report forms to be used.

e. Details of how TOTAL flow will be determined; for example:

1) Air: Sum of terminal flows via control system calibrated readings or via hood readings of all terminals, supply (SA) and return air (RA) pitot traverse, SA or RA flow stations.

2) Water: Pump curves, circuit setter, flow station, ultrasonic, etc.

f. Exhaust fan balancing and capacity verifications, including any required room pressure differentials.

g. Procedures for formal deficiency reports, including scope, frequency and distribution.

D. Final Report: Indicate deficiencies in systems that would prevent proper testing, adjusting, and balancing of systems and equipment to achieve specified performance.

1. Revise TAB plan to reflect actual procedures and submit as part of final report.

2. Submit draft copies of report for review prior to final acceptance of Project. Provide final copies for Owner and Engineer and for inclusion in operating and maintenance manuals.

3. Include actual instrument list, with manufacturer name, serial number, and date of calibration.

4. Form of Test Reports: Where the TAB standard being followed recommends a report format use that; otherwise, follow ASHRAE Std 111.

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5. Units of Measure: Report data in both I-P (inch-pound) and SI (metric) units.

6. Include the following on the title page of each report:

a. Name of Testing, Adjusting, and Balancing Agency.

b. Address of Testing, Adjusting, and Balancing Agency.

c. Telephone number of Testing, Adjusting, and Balancing Agency.

d. Project name.

e. Project location.

f. Report date.

E. Project Record Documents: Record actual locations of flow measuring stations and balancing valves and rough setting.

PART 2 PRODUCTS - NOT USED

PART 3 EXECUTION

3.01 GENERAL REQUIREMENTS

A. Perform total system balance in accordance with one of the following:

1. AABC (NSTSB), AABC National Standards for Total System Balance.

2. ASHRAE Std 111, Practices for Measurement, Testing, Adjusting and Balancing of

Building Heating, Ventilation, Air-Conditioning, and Refrigeration Systems.

3. SMACNA (TAB).

B. Begin work after completion of systems to be tested, adjusted, or balanced and complete work prior to Substantial Completion of the project.

C. Where HVAC systems and/or components interface with life safety systems, including fire and smoke detection, alarm, and control, coordinate scheduling and testing and inspection procedures with the authorities having jurisdiction.

D. TAB Agency Qualifications:

1. Company specializing in the testing, adjusting, and balancing of systems specified in this section.

2. Certified by one of the following:

a. AABC, Associated Air Balance Council: www.aabc.com/#sle; upon completion submit AABC…

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