Attachment 3 - MAHG201049 Section 22-27 - SPECS 20210702.pdf

Keesler – Larcher Chapel Renovation Rev. A Construction Specification

Hangers and Supports for Plumbing Piping and Equipment 22 05 29

SECTION 22 05 29 – HANGERS AND SUPPORTS FOR PLUMBING PIPING AND EQUIPMENT

PART 1 GENERAL

1.1 PROVISIONS

A. Requirements of Section 01 including, but not limited to, General Requirements, Submittal Procedures, Quality Requirements, Product Requirements, Substitution Procedures, Operation and Maintenance Data, Demonstration and Training shall apply to all work under this section.

B. Throughout the specifications, types of materials may be specified by manufacturer’s name and catalogue number in order to establish standards of quality and performance and not for the purpose of limiting competition.

1.2 DESCRIPTIONS

A. Work covered by this Section includes furnishing of and paying for all materials, labor, services, equipment, licenses, taxes, other items, and appliances necessary for the execution, installation and completion of all work specified herein and/or shown on the drawings.

B. The work described in this section of the specifications includes but is not limited to the following:

1. Pipe hangers for various types of pipe installed as set forth in this section and related sections.

2. All intermediate support steel attached to building structure for piping systems as necessary for support of all piping systems.

C. Piping shall be isolated from hanger material supports and different piping material shall be suitably isolated to prevent galvanic corrosion or deterioration resulting from contact of dissimilar metals.

1.3 RELATED WORK

A. The following items of related work are specified and included in other sections of these operations from contact of dissimilar metals:

1. Section 23 0516 - Piping and Fittings

2. Section 23 0719 - Mechanical System Insulation

PART 2 PRODUCTS

2.1 APPLICABLE PUBLICATION

A. Manufacturers Standardization Society (MSS) of the Valve and Fitting Industry, Inc. Publication are referenced in the text by the basic designation only.

1. SP-58-93: Pipe Hangers and Supports - Materials, Design and Manufacturer.

2. SP-69-91: Pipe Hangers and Supports - Selection and Application.

Hangers and Supports for Plumbing Piping and Equipment 22 05 29

2.2 2.2 HANGERS

A. Pipe hangers and supports. Adjustable clevis hangers for:

1. Non-insulated pipe 2" through 24" diameter.

B. Pipe hangers and supports. Adjustable wrought clevis hangers, with SP-58, MSS Type 40 galvanized insulation protection shields (sized for supporting insulation having a compressive strength of 4 psi, at 8-foot intervals). Support piping on outside of insulation. Size hangers so that pipe insulation passes through them without interruption. Use these for:

1. Insulated steel pipe 1/2" through 24" diameter.

2. Insulated copper pipe 1/2" through 8" O.D.

C. MSS SP-58 Type 6, with adjustable swivel ring, split ring type for:

1. Non-insulated steel pipe, copper pipe 1/2" through 1-1/2" diameter.

D. MSS SP-58 Type 9, with adjustable wrought tubing ring hanger, either plastic covered or copper plated for non-insulated copper tubing with no longitudinal movement.

E. MSS SP-58 Type 41 with pipe roller and MSS SP-58 Type 40 galvanized insulation protection shields (sized for supporting insulation having a compressive strength of 4 psi, at 8-foot intervals). Support piping on outside of insulation. Size hangers so that pipe insulation passes through them without interruption. Use these for:

1. Insulated copper pipe, 1/2" through 2-1/8" diameter, having longitudinal movement.

2. Insulated steel pipe, 1" through 30" diameter, having longitudinal movement.

F. MSS SP-58 Type 8, riser clamps (at floor slab penetrations) to support copper pipe risers.

G. MSS SP-58 Type 8, riser clamps (at floor slab penetrations) to support steel pipe risers.

H. Where three or more lines of pipe run parallel, support them with trapeze hangers.

PART 3 EXECUTION

3.1 PIPE HANGERS

A. Support pipes on specified hangers so that equipment, pumps, and fittings do not bear weight of pipe.

1. Support pipe risers at regular intervals in pipe shafts in accordance with good practice.

2. Do not use perforated metal, strap iron, or band iron.

3. Do not make offsets in hangers.

B. Maximum allowable spacing of pipe hangers is listed below. Space hangers and brackets at close intervals where necessary to maintain levels, slopes, and drainage, or to prevent sagging.

C. Steel Pipe:

1. 1/4" to 3/4" - 6'-0" o.c.

2. 1" to 12" - 10'-0" o.c.

3. 3/8 to 1 ¼” – 7’-0” o.c.

Hangers and Supports for Plumbing Piping and Equipment 22 05 29

4. 1 ½ to 2” – 9’-0” o.c.

5. 2 ½ to 3” – 11’ –0” o.c.

6. 4” - 14’-0” o.c.

7. 5” to 6” – 16’-0” o.c.

8. 8” – 19’-0” o.c.

9. 10” - 22”-0” o.c.

D. Copper Pipe:

1. 1/2” to 3/4” - 5’-0” o.c.

2. 1" to 1-1/4” - 6'-0" o.c.

3. 1 ½” to 2” – 8’-0” o.c.

4. 2 ½ - 9’-0” o.c.

5. 3” – 10’-0” o.c.

6. 4” – 12’-0” o.c.

7. 6” – 14’-0” o.c.

8. 8” – 16’-0” o.c.

END OF SECTION 22-05-29

Hangers and Supports for Plumbing Piping and Equipment 22 05 29

SECTION 22 05 29 – HANGERS AND SUPPORTS FOR PLUMBING PIPING AND EQUIPMENT

PART 1 GENERAL

1.1 PROVISIONS

A. Requirements of Section 01 including, but not limited to, General Requirements, Submittal Procedures, Quality Requirements, Product Requirements, Substitution Procedures, Operation and Maintenance Data, Demonstration and Training shall apply to all work under this section.

B. Throughout the specifications, types of materials may be specified by manufacturer’s name and catalogue number in order to establish standards of quality and performance and not for the purpose of limiting competition.

1.2 DESCRIPTIONS

A. Work covered by this Section includes furnishing of and paying for all materials, labor, services, equipment, licenses, taxes, other items, and appliances necessary for the execution, installation and completion of all work specified herein and/or shown on the drawings.

B. The work described in this section of the specifications includes but is not limited to the following:

1. Pipe hangers for various types of pipe installed as set forth in this section and related sections.

2. All intermediate support steel attached to building structure for piping systems as necessary for support of all piping systems.

C. Piping shall be isolated from hanger material supports and different piping material shall be suitably isolated to prevent galvanic corrosion or deterioration resulting from contact of dissimilar metals.

1.3 RELATED WORK

A. The following items of related work are specified and included in other sections of these operations from contact of dissimilar metals:

1. Section 23 0516 - Piping and Fittings

2. Section 23 0719 - Mechanical System Insulation

PART 2 PRODUCTS

2.1 APPLICABLE PUBLICATION

A. Manufacturers Standardization Society (MSS) of the Valve and Fitting Industry, Inc. Publication are referenced in the text by the basic designation only.

1. SP-58-93: Pipe Hangers and Supports - Materials, Design and Manufacturer.

2. SP-69-91: Pipe Hangers and Supports - Selection and Application.

Hangers and Supports for Plumbing Piping and Equipment 22 05 29

2.2 2.2 HANGERS

A. Pipe hangers and supports. Adjustable clevis hangers for:

1. Non-insulated pipe 2" through 24" diameter.

B. Pipe hangers and supports. Adjustable wrought clevis hangers, with SP-58, MSS Type 40 galvanized insulation protection shields (sized for supporting insulation having a compressive strength of 4 psi, at 8-foot intervals). Support piping on outside of insulation. Size hangers so that pipe insulation passes through them without interruption. Use these for:

1. Insulated steel pipe 1/2" through 24" diameter.

2. Insulated copper pipe 1/2" through 8" O.D.

C. MSS SP-58 Type 6, with adjustable swivel ring, split ring type for:

1. Non-insulated steel pipe, copper pipe 1/2" through 1-1/2" diameter.

D. MSS SP-58 Type 9, with adjustable wrought tubing ring hanger, either plastic covered or copper plated for non-insulated copper tubing with no longitudinal movement.

E. MSS SP-58 Type 41 with pipe roller and MSS SP-58 Type 40 galvanized insulation protection shields (sized for supporting insulation having a compressive strength of 4 psi, at 8-foot intervals). Support piping on outside of insulation. Size hangers so that pipe insulation passes through them without interruption. Use these for:

1. Insulated copper pipe, 1/2" through 2-1/8" diameter, having longitudinal movement.

2. Insulated steel pipe, 1" through 30" diameter, having longitudinal movement.

F. MSS SP-58 Type 8, riser clamps (at floor slab penetrations) to support copper pipe risers.

G. MSS SP-58 Type 8, riser clamps (at floor slab penetrations) to support steel pipe risers.

H. Where three or more lines of pipe run parallel, support them with trapeze hangers.

PART 3 EXECUTION

3.1 PIPE HANGERS

A. Support pipes on specified hangers so that equipment, pumps, and fittings do not bear weight of pipe.

1. Support pipe risers at regular intervals in pipe shafts in accordance with good practice.

2. Do not use perforated metal, strap iron, or band iron.

3. Do not make offsets in hangers.

B. Maximum allowable spacing of pipe hangers is listed below. Space hangers and brackets at close intervals where necessary to maintain levels, slopes, and drainage, or to prevent sagging.

C. Steel Pipe:

1. 1/4" to 3/4" - 6'-0" o.c.

2. 1" to 12" - 10'-0" o.c.

3. 3/8 to 1 ¼” – 7’-0” o.c.

Hangers and Supports for Plumbing Piping and Equipment 22 05 29

4. 1 ½ to 2” – 9’-0” o.c.

5. 2 ½ to 3” – 11’ –0” o.c.

6. 4” - 14’-0” o.c.

7. 5” to 6” – 16’-0” o.c.

8. 8” – 19’-0” o.c.

9. 10” - 22”-0” o.c.

D. Copper Pipe:

1. 1/2” to 3/4” - 5’-0” o.c.

2. 1" to 1-1/4” - 6'-0" o.c.

3. 1 ½” to 2” – 8’-0” o.c.

4. 2 ½ - 9’-0” o.c.

5. 3” – 10’-0” o.c.

6. 4” – 12’-0” o.c.

7. 6” – 14’-0” o.c.

8. 8” – 16’-0” o.c.

END OF SECTION 22-05-29

Identification for Plumbing, Piping and Equipment 22 05 53

SECTION 22 05 53 – IDENTIFICATION FOR PLUMBING, PIPING AND EQUIPMENT

PART 1 GENERAL

1.1 SUMMARY

A. This Section includes the following mechanical identification materials and their installation:

1. Equipment nameplates.

2. Equipment markers.

3. Equipment signs.

4. Access panel and door markers.

5. Pipe markers.

6. Valve tags

1.2 SUBMITTALS

A. Section 01 33 00 - Submittal Procedures: Submittal procedures.

B. Product Data: For each type of product indicated.

1.3 QUALITY ASSURANCE

A. ASME Compliance: Comply with ASME A13.1, "Scheme for the Identification of Piping Systems," for letter size, length of color field, colors, and viewing angles of identification devices for piping.

PART 2 PRODUCTS

2.1 MANUFACTURERS

A. Certain items in this Specification are listed by manufacturer and/or manufacturer's model number to establish general style, type, character and quality of the product desired. Similar items manufactured by other than those listed will be considered, providing submittals are made according to Pre-Bid Approval requirements of Instructions to Bidders.

B. Where no manufacturer or model number are given, any product meeting performance or design criteria, or referenced trade association standard may be used and Pre-Bid Approval is not required.

C. Manufacturers: Subject to compliance with requirements for complete systems provide products of one of the following:

2.2 EQUIPMENT IDENTIFICATION DEVICE

A. Equipment Nameplates: Stainless Steel, with data engraved or stamped, for permanent attachment on equipment.

1. Data:

Identification for Plumbing, Piping and Equipment 22 05 53

a. Manufacturer, product name, model number, and serial number.

b. Capacity, operating and power characteristics, and essential data.

c. Labels of tested compliances.

2. Location: Accessible and visible.

3. Fasteners: As required to mount on equipment.

B. Equipment Markers: Engraved, color-coded laminated plastic. Include contact-type, permanent adhesive.

1. Terminology: Match schedules as closely as possible.

2. Data:

a. Name and plan number.

b. Equipment service.

c. Design capacity.

d. Other design parameters such as pressure drop, entering and leaving conditions, and speed.

3. Size: 2-1/2 by 4 inches for control devices, dampers, and valves; 4-1/2 by 6 inches for equipment.

C. Equipment Signs: ASTM D 709, Type I, cellulose, paper-base, phenolic-resin-laminate engraving stock; Grade ES-2, black surface, black phenolic core, with white melamine subcore, unless otherwise indicated. Fabricate in sizes required for message. Provide holes for mechanical fastening.

1. Data: Instructions for operation of equipment and for safety procedures.

2. Engraving: Manufacturer's standard letter style, of sizes and with terms to match equipment identification.

3. Thickness: 1/8 inch, unless otherwise indicated.

4. Fasteners: Self-tapping, stainless-steel screws or contact-type, permanent adhesive.

D. Access Panel and Door Markers: 1/16-inch, engraved laminated plastic, with abbreviated terms and numbers corresponding to identification. Provide 1/8-inch center hole for attachment.

1. Fasteners: Self-tapping, stainless-steel screws or contact-type, permanent adhesive.

2.3 PIPING IDENTIFICATION DEVICES

A. Manufactured Pipe Markers, General: Preprinted, color-coded, with lettering indicating service, and showing direction of flow.

1. Colors: Comply with ASME A13.1, unless otherwise indicated.

2. Lettering: Use piping system terms indicated and abbreviate only as necessary for each application length

3. Pipes with OD, Including Insulation, Less Than 6 Inches: Full-band pipe markers extending

360° around pipe at each location.

4. Pipes with OD, Including Insulation, 6 Inches and Larger: Either full-band or strip-type pipe markers at least three times letter height and of length required for label.

5. Arrows: Integral with piping system service lettering to accommodate both directions; or as separate unit on each pipe marker to indicate direction of flow.

B. Pretensioned Pipe Markers: Precoiled semi rigid plastic formed to cover full circumference of pipe and to attach to pipe without adhesive.

Identification for Plumbing, Piping and Equipment 22 05 53

C. Shaped Pipe Markers: Preformed semi rigid plastic formed to partially cover circumference of pipe and to attach to pipe with mechanical fasteners that do not penetrate insulation vapor barrier.

D. Self-Adhesive Pipe Markers: Plastic with pressure-sensitive, permanent-type, self-adhesive back.

E. Plastic Tape: Continuously printed, vinyl tape at least 3 mils thick with pressure-sensitive, permanent-type, self-adhesive back.

1. Width for Markers on Pipes with OD, Including Insulation, Less Than 6 Inches: 3/4 inch minimum.

2. Width for Markers on Pipes with OD, Including Insulation, 6 Inches or Larger: 1-1/2 inches minimum.

2.4 VALVE TAGS

A. Valve Tags: Stamped or engraved with 1/4-inch letters for piping system abbreviation and 1/2-inch numbers, with numbering scheme. Provide 5/32-inch hole for fastener.

1. Material: 0.032-inch- thick brass.

2. Valve-Tag Fasteners: Brass wire-link or beaded chain

PART 3 EXECUTION

3.1 APPLICATIONS, GENERAL

A. Products specified are for applications referenced in other Division 23 Sections. If more than single-type material, device, or label is specified for listed applications, selection is Installer's option.

3.2 EQUIPMENT IDENTIFICATION

A. Install and permanently fasten equipment nameplates on each major item of mechanical equipment that does not have nameplate or has nameplate that is damaged or located where not easily visible. Locate nameplates where accessible and visible. Include nameplates for the following general categories of equipment:

1. Fuel-burning units, including boilers, furnaces, heaters, and make up air units

2. Pumps, compressors, chillers, condensers, and similar motor-driven units.

3. Heat exchangers, coils, evaporators, cooling towers, heat recovery units, and similar equipment.

4. Fans, blowers, air handling units primary balancing dampers, and mixing boxes.

5. Packaged HVAC central-station and zone-type units.

6. Split system D/X and packaged D/X equipment

7. Variable air volume (VAV) boxes – tags should be located on the underside of the ceiling.

B. Install equipment markers with permanent adhesive on or near each major item of mechanical equipment. Data required for markers may be included on signs, and markers may be omitted if both are indicated.

1. Letter Size: Minimum 1/4 inch for name of units if viewing distance is less than 24 inches, 1/2 inch for viewing distances up to 72 inches, and proportionately larger lettering for

Identification for Plumbing, Piping and Equipment 22 05 53 greater viewing distances. Include secondary lettering two-thirds to three-fourths the size of principal lettering.

2. Locate markers where accessible and visible.

C. Install access panel markers with screws on equipment access panels.

3.3 PIPING IDENTIFICATION

A. Install manufactured pipe markers indicating service on each piping system. Install with flow indication arrows showing direction of flow.

1. Pipes with OD, Including Insulation, Less Than 6 Inches: Pretensioned pipe markers. Use size to ensure a tight fit.

2. Pipes with OD, Including Insulation, Less Than 6 Inches: Self-adhesive pipe markers. Use color-coded, self-adhesive plastic tape, 1-1/2 inches wide, lapped at least 1-1/2 inches at both ends of pipe marker, and covering full circumference of pipe.

B. Locate pipe markers and color bands where piping is exposed in finished spaces; machine rooms;

accessible maintenance spaces such as shafts, tunnels, and plenums; and exterior unconcealed locations as follows:

1. Near each valve and control device.

2. Near each branch connection, excluding short takeoffs for fixtures and terminal units. Where flow pattern is not obvious, mark each pipe at branch.

3. Near penetrations through walls, floors, ceilings, and inaccessible enclosures.

4. At access doors, manholes, and similar access points that permit view of concealed piping.

5. Near major equipment items and other points of origination and termination.

6. Spaced at maximum intervals of 50 feet (15 m) along each run. Reduce intervals to 25 feet

(7.6 m) in areas of congested piping and equipment.

7. On piping above removable acoustical ceilings. Omit intermediately spaced markers.

3.4 VALVE-TAG INSTALLATION

A. Install tags on valves and control devices in piping systems, except check valves; valves within factory-fabricated equipment units; plumbing fixture supply stops; shutoff valves; faucets;

convenience and lawn-watering hose connections; compressed air systems, all overhead reel systems, and HVAC terminal devices and similar roughing-in connections of end-use fixtures and units. List tagged valves in a valve schedule.

B. Valve-Tag Application Schedule: Tag valves according to size, shape, and color scheme and with captions similar to those indicated in the following:

1. Valve-Tag Size and Shape:

a. 2 inches square.

2. Valve-Tag Color:

a. Black

3. Letter Color:

a. White

Identification for Plumbing, Piping and Equipment 22 05 53

3.5 ADJUSTING AND CLEANING

A. Relocate mechanical identification materials and devices that have become visually blocked by other work.

B. Clean faces of mechanical identification devices

END OF SECTION 22-05-53

Commissioning of Plumbing 22 08 00

SECTION 22 08 00 – COMMISSIONING OF PLUMBING

PART 1 GENERAL

1.1 SUMMARY

A. The purpose of this Section is to define Contractor responsibilities in the commissioning process, which are being directed by the Contractor. Other plumbing system testing is required under other Division 22 Specification Sections.

B. Commissioning requires the participation of the Contractor to ensure that all systems are operating in a manner consistent with the Contract Documents. General Commissioning requirements and coordination are detailed in Division 01. Division 22 shall be familiar with all parts of Division 01 and the Commissioning Plan issued by the Contractor and shall execute all Commissioning responsibilities assigned to them in the Contract Documents and include the cost of Commissioning in the Contract price.

C. Plumbing systems to be commissioned include the following:

1. Domestic Water Systems

2. Plumbing Fixtures

3. Plumbing Piping Systems

1.2 RELATED SECTION

A. Section 01 1000 - Summary

B. Section 01 3300 - Submittal Procedures

C. Section 01 9113 - General Commissioning Requirements

D. Section 22 1116 - Domestic Water Piping

E. Section 22 1413 - Drainage and Vent Systems

F. Section 22 4000 - Plumbing Fixtures

G. Section 22 6313 - Gas Piping for Laboratory and Healthcare Facilities

H. Section 22 6600 - Chemical Waste Systems

1.3 ABBREVIATIONS & DEFINITIONS

A. Approval - acceptance that a piece of equipment or system has been properly installed and is functioning in the tested modes according to the Contract Documents.

B. Architect’s Supplemental Instruction (ASI)

Commissioning of Plumbing 22 08 00

C. Basis of Design (BOD) – documentation of the primary thought processes and assumptions behind the design decisions that were made to meet the Owner’s Project Requirements. The Basis of Design describes the systems, components, conditions, and methods chosen to meet these requirements.

D. Building Automation System (BAS) - computer-based control system installed in buildings that controls and monitors the building’s mechanical and electrical equipment

E. Commissioning (Cx) - a quality-oriented process for achieving, verifying, and documenting that the performance of facilities, systems, and assemblies meet defined objectives and criteria.

F. Commissioning Agent (CxA) - an independent agent not otherwise associated with the A/E team members or the Contractor. The CxA directs and coordinates the day-to-day commissioning activities.

G. Commissioning Plan - an overall plan that provides the structure, schedule and coordination planning for the commissioning process.

H. Controls Contractor (CC) – installer of the BAS, including wiring, mounting of input devices, sensors and output devices, installation of primary and secondary controllers, software and operator interfaces

I. Deficiency - a condition in the installation or function of a component, piece of equipment, or system that is not in compliance with the Contract Documents (that is, does not perform properly or is not complying with the design intent).

J. Design Intent - the ideas, concepts and criteria that are considered to be very important to the Owner. It is initially the outcome of the programming and conceptual design phases.

K. Factory Testing: Testing of equipment at the factory, by factory personnel with an Owner’s representative present if deemed necessary by Owner.

L. Functional Performance Test (FPT) - test of the dynamic function and operation of equipment and systems using manual (direct observation) or monitoring methods. Systems are tested under various modes, such as during low load conditions, component failures, unoccupied mode, power failure, etc. The commissioning agent develops the functional performance test procedures in a sequential written form, coordinates, oversees and documents the actual testing, which is usually performed by the installing contractor or vendor. FPTs are performed after pre-functional checklists and startup is complete.

M. Monitoring - the recording of parameters (flow, current, status, pressure, etc.) of equipment operation using data-loggers or the trending capabilities of building’s energy management system.

N. Non-Compliance (also Non-Conformance) - a condition in the installation or function of a component, piece of equipment or system that does not perform properly or is not complying with the design intent.

Commissioning of Plumbing 22 08 00

O. Owner’s Project Requirements (OPR) – document outlining the owner’s expectations and goals for the performance of the building upon project completion.

P. Phased Commissioning - Commissioning that is completed in phases due to construction scheduling issues.

Q. Pre-Start / Start-Up Checklist - a list of items to inspect and elementary component tests to conduct to verify proper installation of equipment, provided by the CxA to the Electrical Contractor. This checklist consists primarily of static inspections and procedures to prepare the equipment or system for initial operation (e.g. belt tension, oil levels OK, labels affixed, gages in place, sensors calibrated etc.). However, some checklist items entail simple testing of the function of a component, a piece of equipment or system (such as measuring the voltage imbalance on a three-phase pump motor of a chiller system).

R. Seasonal Performance Test - FPT that is deferred until the system will experience conditions closer to their design conditions.

S. Simulated Condition - condition that is created for the purpose of testing the response of a system (e.g., applying a hair blower to a space sensor to see the response in a VAV box).

T. Start-up - the initial starting or activating of dynamic equipment including executing the Pre- Start / Start-Up checklist.

U. Test procedure - the step-by-step process which must be executed to fulfill the test requirements specifying what modes and functions, etc. shall be tested.

1.4 ROLES AND RESPONSIBILITIES

A. The following describes the roles of the trade contractors in the commissioning process.

1. General Contractor

a. Include the cost for commissioning requirements in the contract price.

b. Include commissioning requirements in the plumbing and other appropriate sub-contracts.

c. Ensure acceptable representation, with the means and authority to prepare and coordinate execution of the commissioning plan.

d. Remedy deficiencies identified during the verification test and FPT process.

2. Plumbing Contractor

a. Include cost for commissioning requirements in the contract price.

b. Include requirements for copies of documents and training in each sub-contract.

c. Ensure representation and cooperation of applicable trade contractors.

d. Ensure participation of Plumbing equipment manufacturers and/or suppliers’ representatives in appropriate testing and training activities.

e. Attend commissioning coordination meeting with CxA.

f. Prepare and provide construction schedule to CxA, including estimated equipment delivery dates, pipe system testing, equipment start-up. Update schedule as appropriate and notify CxA of these updates throughout construction process.

g. Gather submittals from equipment manufacturers and provide to CxA prior to installation.

Commissioning of Plumbing 22 08 00

h. Conduct plumbing system orientation and inspection at the completion of plumbing equipment placement. For phased scheduling, conduct multiple orientation and inspections as appropriate.

i. Update drawings to record current condition (continual as-builts).

j. Notify CxA at least two weeks prior to system start-up and testing. Perform start-up and testing with CxA present.

k. Notify CxA at least two weeks prior to commencement of TAB services.

l. Coordinate timing of FPTs with CxA. Perform FPTs with CxA present.

m. Gather O&M data for all equipment and provide a copy to CxA prior to completion of construction.

n. Participate in training sessions.

o. Provide CxA with certificate of readiness stating all HVAC systems are complete and have been tested in accordance with functional performance testing procedures.

p. Provide a complete set of as-built records to the CxA at completion of Work.

B. The following paragraphs present a brief description of the responsibilities of parties outside of trade divisions. These descriptions are provided to assist the trade contractors in their understanding of the overall commissioning process

1. Owner

a. Provide Owner’s Project Requirements (OPR) on which design is based.

b. Identify and assign a representative who has the authority to make decisions in a timely manner regarding the commissioning process.

c. Assign maintenance personnel to participate in the commissioning process.

2. Commissioning Agent

a. Develops and executes the Commissioning Plan through the organization of meetings, observation of the construction, presence at tests described in the Plan and coordination of commissioning document development.

b. Compiling the A/E and Contractors contributions to the Systems Manual.

c. Reviewing all documentation submitted for accuracy and completeness for the Systems

Manual.

d. Providing a copy of the Systems Manual to the Owner, Facilities Manager, or other applicable parties.

3. Architect

a. Provide Design Intent and Basis of Design information that developed from the Owner’s Requirements.

4. Plumbing Designer

a. Provide Design Intent and Basis of Design information that developed from the

Owner’s Requirements.

1.5 QUALITY ASSURANCE

A. Appropriate personnel (i.e. Project Manager and/or Field Foreman) in the employ of the Plumbing Contractor and certain Trades Contractors shall assist the CxA in coordinating and executing the required commissioning activities. These personnel shall become familiar with the Commissioning Plan and shall coordinate the tasks, documentation and submissions required by this Plan. These personnel shall review these documents for compliance with the commissioning requirements and shall arrange for remedies to deficiencies noted in these documents.

B. The Contractor shall properly coordinate with the CxA throughout the construction of the project.

Commissioning of Plumbing 22 08 00

C. The CxA will be an objective advocate of the Owner observing the commissioning activities of the Contractor and will make final recommendations to the Owner regarding functional performance of the commissioned building systems. The CxA will prepare a Commissioning Plan for coordination with the design/build team to assure an efficient design and construction process that provides verification to the Owner through a seamless commissioning process which blends their activities into the overall project schedule.

D. All submittal data for systems and components to be commissioned shall be submitted to the CxA for use in the Cx process. The Contractor shall submit additional copies of submittals for the use in the Commissioning process.

E. The Contractor shall schedule the work taking into account the activities to be performed by the Commissioning Agent. No claim for delay or request for an extension of Contract Time will be allowed as the result of the scheduled activities of the Commissioning Agent.

1.6 DOCUMENTATION

A. The Plumbing Contractor shall provide copies of documents gathered or developed during the construction process to the Commissioning Agent in a timely and accurate manner. Where documents are developed by a Trades Contractor, Plumbing Contractor shall make sure that those documents are provided to the Commissioning Agent. The documents required are:

1. Construction schedule, including estimated dates for equipment delivery, system testing, and equipment start-up. Provide updated schedules as appropriate.

2. Procedures and status reports, including deficiencies noted.

3. Minutes from all meetings concerning PLUMBING contractors and/or the commissioning process.

4. All manufacturer’s equipment submittals showing the manufacturer and model number, installation and start-up instructions, sequence of operation, performance data, performance test procedures and controls drawings.

5. Field checkout sheets to be used by the factory or field technicians.

6. As-built records.

7. Posted systems diagrams.

PART 2 PRODUCTS

2.1 TOOLS AND EQUIPMENT

A. The Plumbing Contractor shall furnish all special tools and equipment required during the commissioning process. The owner shall furnish necessary utilities for the commissioning process.

B. Proprietary test equipment and software required by any equipment manufacturer for programming and/or start-up, whether specified or not, shall be provided by the manufacturer of the equipment. Manufacturer shall provide the test equipment, demonstrate its use, and assist in the commissioning process as needed.

Commissioning of Plumbing 22 08 00

PART 3 EXECUTION

3.1 GENERAL

A. A commissioning kickoff meeting with all commissioning team members shall be held at a time and place designated by the Owner. The purpose of this meeting shall be to familiarize all parties with the commissioning process, and to ensure that the responsibilities of each party are clearly understood.

B. Plumbing Contractors shall complete all phases of work so the systems can be started, tested, and acceptance procedures undertaken. This includes the complete installation of all equipment, materials, pipe, insulation, controls, etc., per the contract documents and related directives, clarifications, and change orders.

C. Plumbing Contractors shall assist the CxA in preparing the Commissioning Plan by providing pertinent information pertaining to the actual equipment and installation. If changes have been made to the contract schedule that alters the commissioning process, Plumbing Contractor shall notify CxA immediately.

D. Acceptance procedures are normally intended to begin prior to completion of a system and/or sub-systems. Start of acceptance procedures before system completion does not relieve the contractor from completing those systems as per the schedule.

3.2 PARTICIPATION IN ACCEPTANCE PROCEDURES

A. Contractors shall notify CxA when systems are ready for testing, including Pre-Start, Start-Up and Functional Performance Tests and final commissioning verification. Contractor shall provide completed commissioning data sheets to CxA as appropriate for each stage of the commissioning process.

B. The Contractors shall provide skilled technicians to start-up and debug all systems. These same technicians shall be made available to assist the CxA in completing the commissioning program.

Work schedules, time required for testing, etc., shall be requested by the CxA and coordinated by the contractor. Contractor shall ensure that the qualified technician(s) are available and present during the agreed upon schedules and of sufficient duration to complete the necessary tests, adjustments, and/or problem resolutions.

C. System performance problems and discrepancies may require additional technician time, CxA time, reconstruction of systems, and/or replacement of system components. The additional technician time shall be made available for subsequent commissioning periods until the required system performance is obtained.

D. Qualifications of technicians shall include expert knowledge relative to the specific equipment involved and a willingness to work with the CxA. The CxA reserves the right to question the appropriateness and qualifications of the technicians relative to each item of equipment, system, and/or sub-system.

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3.3 PRE-START / START-UP TESTS

A. Pre-Start / Start-Up tests are operating tests and checks to verify that all components, equipment, systems, sub-systems, and interfaces between systems, operate in accordance with contract documents. These tests include all operating modes, interlocks, specified control responses, specific responses to abnormal or emergency conditions and verification of the proper response of the building automation system controllers and sensors.

B. Calibration of all sensors shall be conducted as part of these tests.

C. Plumbing Contractors and appropriate subs shall provide the services of a technician(s) who is (are) familiar with the construction and operation of the system(s) being tested. Provide access to the contract plans, shop drawings, and equipment cut sheets of all installed equipment. Provide details of the control system, schematics, and a narrative description of control sequences of operation.

D. Electrical Contractor will provide a foreman electrician familiar with the electrical interlocks, interfaces with emergency power supply, and interfaces with alarm and life-safety systems.

Provide access to the contract plans, and all as-built drawings of sub-systems, interfaces, and interlocks.

E. Provide checklists for each component, piece of equipment, system, and sub-system, including all interface interlocks, etc. Manufacturer’s standard written start-up and check-out procedures are acceptable. These checklists should include lines for recording the checking and outcome of each procedure and should include a summary area with signature block.

F. All test procedures and data sheets shall be submitted to the design professional for review and acceptance.

G. Contractor shall perform the following tests and checks. The CxA shall direct and witness the tests and check all equipment and systems.

1. Set the system equipment (i.e., pumps, fans, etc.) into the operations mode to be tested, i.e.

normal, shut down, normal auto position, normal manual position, unoccupied cycle, emergency power, and alarm conditions, in turn.

2. Allow the Commissioning Agent to inspect and verify the position of each device and interlock identified on the checklist. Each item shall be signed off as acceptable (yes), or failed (no).

3. This test shall be repeated for each operating cycle that applies to the plumbing system to be tested.

4. Perform operating tests with Commissioning Agent present. Operating checks shall include all safety cutouts, alarms, and interlocks with smoke control and life safety systems during all modes of operation of the mechanical system.

5. If during a test an operating deficiency is observed, Contractor and Commissioning Agent shall discuss, remedy and document.

H. If the Contractor submits a Certificate of Readiness but the Commissioning Agent finds the subject system not ready for Functional Testing, or if the system fails to pass the Functional Test, the Contractor will be responsible for payment of the cost of the Commissioning Agent’s time and expenses for a return site visit.

Commissioning of Plumbing 22 08 00

3.4 FUNCTIONAL PERFORMANCE TESTING

A. The objective of functional performance tests is to determine if each HVAC system operates in accordance with the documented design intent and contract documents.

B. Contractor(s) shall provide CxA with the necessary documents prior to starting Functional Performance Tests.

C. Participants in the functional performance tests shall be the same as those listed in the verification tests.

D. The CxA shall supervise and direct all functional performance tests.

E. Each test shall be performed under conditions that simulate actual conditions as close as practicable. The Contractor executing the test shall provide all materials and system modifications necessary to simulate the required conditions. At completion of the test, the Contractor shall return affected equipment and systems to their pre-test condition.

F. A preliminary functional performance test report shall be prepared by the CxA and submitted to the Architect for review. Any identified deficiencies need to be evaluated by the design professional and General Contractor to determine if they are part of the contractor’s or sub-contractor’s contractual obligations. Construction deficiencies shall be corrected by the responsible contractor(s), and the specific functional performance test repeated.

G. If it is determined that that a plumbing system is constructed in accordance with the contract documents, and the performance deficiencies are not part of the contract documents, the owner must decide whether any required modifications needed to bring the performance design intent shall be implemented, or if the test shall be accepted as submitted. If corrective work is performed, the owner shall determine if a portion or all required functional performance tests should be repeated, and a revised report submitted.

3.5 DEFICIENCY RESOLUTION

A. Deficiencies identified during commissioning process may result in additional work being required to commission the systems. The Owner and/or Architect shall have final jurisdiction over any additional work done to achieve performance.

B. Re-testing may be required after system adjustments and/or replacements are completed. The contractor(s) and suppliers shall include a reasonable reserve to complete this work as part of their contractual obligations.

3.6 OPERATION AND MAINTENANCE (O&M) Manuals

A. Prior to substantial completion, the Contractor shall submit O&M manuals, documentation and redline as-builts for systems that were commissioned to the CxA for review and verification of compliance with the Specifications. The Commissioning Agent will communicate deficiencies in the manuals to the Owner and Contractor. Upon a successful review of the corrections, the Commissioning Agent recommends approval and acceptance of these sections of the O&M manuals to the Owner. The Commissioning Agent also reviews each equipment warranty and

Commissioning of Plumbing 22 08 00 verifies that all requirements to keep the warranty valid are clearly stated. This work does not supersede the A/E’s review of the O&M manuals according to the A/E’s contract.

B. The O&M Manual submitted by the contractor shall include the following:

1. Name, address and telephone number of the manufacturer and installing contractor and the

24-hour number for emergency service for each piece of equipment

2. Submittal and Product Data. This section shall include all approved submittal data, cut sheets, data base sheets and appropriate shop drawings. If submittal was not required for approval, descriptive product data shall be included.

3. Manufacturers' brochures (including controls): Manufacturers' descriptive literature covering devices and equipment used in the system, together with illustrations, exploded views and renewal parts lists. Manufacturers’ literature shall be corrected so that information applying to the actual installed equipment is clearly defined.

4. Operation and Maintenance Instructions. These shall be the written manufacturer’s data with the model and features of this installation clearly marked and edited to omit reference to products or data not applicable to this installation. This shall include data on the following:

a. Model number, serial number and nameplate data for each piece of equipment and any subcomponent.

b. Installation, startup and break-in instructions.

c. All starting, normal shutdown, emergency shutdown, manual operation and normal and emergency operating procedures and data, including any special limitations.

1) Step-by-step procedure for system startup, including a pre-start checklist. Refer to controls and indicators by nomenclature consistent with that used on panels and in control diagrams.

2) Sequence of operation, with detailed instruction in proper sequence, for each mode of operation (i.e., day-night; staging of equipment).

3) Emergency operation: If some functions of the equipment can be operated while other functions are disabled, give instructions for operations under these conditions. Include here only those alternate methods of operations (from normal) which the operator can follow when there is a partial failure or malfunctioning of components, or other unusual condition.

4) Shutdown procedure: Include instructions for stopping and securing the equipment after operation. If a particular sequence is required, give step-by-step instructions in that order.

5. O&M and installation instructions that were shipped with the unit.

6. Preventative and corrective maintenance, with service procedures and schedules:

a. Provide a schedule for preventive maintenance in a printed format and an electronic format compatible with owner’s system. State, preferably in tabular form, the recommended frequency of performance for each preventive maintenance task, cleaning, inspection and scheduled overhauls.

b. Cleaning: Provide instructions and schedules for all routine cleaning and inspection with recommended lubricants.

c. Inspection: If periodic inspection of equipment is required for operation, cleaning or other reasons, indicate the items to be inspected and give the inspection criteria for:

motors; controls; filters and any other maintenance items.

d. Provide instructions for minor repairs or adjustments required for preventive maintenance routines. Identify test points and give values for each. Include sensor calibration requirements and methods by sensor type.

Commissioning of Plumbing 22 08 00

e. Corrective maintenance instructions shall be predicated upon a logical effect-to- cause troubleshooting philosophy and a rapid replacement procedure to minimize equipment downtime.

f. Troubleshooting tables, charts, or diagrams shall be used to present specified procedures. A guide to this type shall be a three-column chart. The columns shall be titled: malfunction, probable cause and recommended action.

g. Repair and Replacement: Indicate repair and replacement procedures most likely to be required in the maintenance of the equipment.

7. Safety Precautions: This subsection shall comprise a listing of safety precautions and instructions to be followed before, during and after making repairs, adjustments or routine maintenance.

8. Supply any special tools required to service or maintain the equipment.

9. Performance data, ratings and curves.

10. Warranty and guarantee, which clearly lists conditions to be maintained to keep warranty in effect and conditions that would affect the validity of the warranty.

11. Any service contracts issued.

12. Supplemental Data. Prepare written text and/or special drawings to provide necessary information, where manufacturer’s standard printed data is not available and information is necessary for a proper understanding and operation and maintenance of equipment or systems, or where it is necessary to provide additional information to supplement data included in the manual or project documents.

3.7 SYSTEMS MANUAL

A. A Systems Manual shall be provided to the owner, in addition to the O&M manuals, under LEED requirements for EAc2 Enhanced Commissioning. The focus shall be on operating, rather than maintaining the equipment, including the interactions between equipment.

B. The Contractor shall be responsible for providing:

1. As-built sequences of operations, control drawings, and a full print out of original set points and schedules for each piece of commissioned equipment. Copies of all checkout tests and calibrations performed by the contractor (not commissioning tests) shall also be included.

2. Operating instructions for integrated building systems

3. Recommended schedule of maintenance requirements and frequency

4. Recommended schedule for retesting of the commissioned systems

3.8 TRAINING OF OWNER PERSONNEL

A. The Contractor shall be responsible for training coordination and scheduling, and ultimately for ensuring that training is complete.

B. The CxA shall be responsible for overseeing and approving content and adequacy of the training of Owner Personnel for commissioned equipment.

C. A training plan shall be submitted to the CxA for review before such training is set to occur. It should include the following:

1. Equipment or systems

2. Intended audience

3. Location of training

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4. Objectives

5. Subjects covered (description, duration of training)

6. Instructor and qualifications for each subject

7. Methods (classroom lecture, manufacturer’s quality video, site walk- through, actual operational demonstrations, written handouts, etc.)

D. Training shall normally start with classroom sessions followed by hands-on demonstration/training on each piece of equipment. Training shall include:

1. Use of the printed materials included in the O&M manuals or System manuals.

2. A review of the written O&M instructions emphasizing safe and proper operating requirements, preventative maintenance, special tools needed and spare parts inventory suggestions. The training shall include startup, operation in all modes possible, shutdown, seasonal changeover and any emergency procedures.

3. Discussion of relevant health and safety issues and concerns.

4. Discussion of warranties and guarantees.

5. Common troubleshooting problems and solutions.

6. Discussion of any peculiarities of equipment installation or operation.

E. During any demonstration, should the system fail to perform in accordance with the requirements of the O&M manual or sequence of operations, the system shall be repaired or adjusted as necessary and the demonstration repeated at another scheduled time, if necessary.

F. Provide designated owner personnel with comprehensive orientation and training in the understanding of the systems and the operation and maintenance of each piece of equipment that makes up the system.

G. The appropriate trade or manufacturer's representative shall provide the instructions on each major piece of equipment. More than one party may be required to execute the training.

H. The contractor shall fully explain and demonstrate the operation, function and overrides of any local packaged controls not controlled by the central control system.

I. At the discretion of the CxA, training may occur before performance testing is complete if required by the facility operators to assist the CxA in the performance testing.

END OF SECTION 22-08-00

Domestic Water Piping 22 11 16

SECTION 22 11 16 – Domestic Water Piping

PART 1 GENERAL

1.1 GENERAL

A. All pipe, fittings, and pipe joining material used for potable water systems shall be lead free in accordance with state and federal regulations.

1.2 RELATED DOCUMENTS

A. Requirements of Section 01 including, but not limited to, General Requirements, Submittal Procedures, Quality Requirements, Product Requirements, Substitution Procedures, Operation and Maintenance Data, Demonstration and Training shall apply to all work under this section.

1.3 SUMMARY

A. This Section specifies the water distribution piping system, including potable cold, hot, water piping, fittings, and specialties within the building.

B. Products installed but not furnished under this Section include water meters which will be provided by the Utility Company, to the site, ready for installation.

1.4 RELATED SECTIONS

A. The following Sections contain requirements that relate to this Section.

1. Refer to Civil specification for "Site Water Service Piping" for water service piping.

2. Section 31 - "Earthwork" for trenching and backfilling materials and methods for underground piping installations.

3. Section 07 - “Joint Sealers" for materials and methods for sealing pipe penetrations through basement walls and fire and smoke barriers.

4. Section 22 - “Gauges” for…