512-23121.JLM - Chesterfield - Sidock - Mech Specs.pdf

DTMB Chesterfield Veterans 220500 - 1 Basic Plumbing Materials Home Maintenance Building and Methods

SECTION 220500

BASIC PLUMBING MATERIALS AND METHODS

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and General Provisions of the Contract, including General and Supplementary Conditions and Division 1 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Provide labor, materials, equipment, supervision, and incidental services as necessary to complete all BASIC PLUMBING MATERIALS AND METHODS work as indicated on the Drawings and as specified herein, including, but not limited to:

1. Connection of/to utilization equipment.

2. Grout.

3. Mechanical demolition.

4. Equipment installation requirements common to equipment sections.

5. Supporting devices for electrical components.

6. Concrete equipment bases.

7. Supports and anchorages.

8. Cutting and patching for mechanical construction.

B. Demolition: As indicated on the drawings.

C. Substitutions:

1. The Contractor’s base bid must be in accordance with the materials or products specified.

Any exceptions to this must me approved in writing by the Engineer, ten (10) days or more prior to bidding.

1.3 QUALITY ASSURANCE

A. The following items shall be performed for quality assurance:

1. Perform Work to requirements of the acceptable standards of installation.

2. Use personnel with appropriate experience to perform Work on all systems.

3. Verify that field measurements are as shown on Drawings.

4. Report all discrepancies to Engineer.

5. Conform to all applicable Codes and Standards.

B. Permits and Inspections:

1. The Contractor shall obtain and pay for all required permits (temporary and permanent), fees, inspections and Certificates of Inspection for the work specified herein as required by any and all applicable laws and/or ordinances. The cost of such permits and certificates shall be included in the Contractor's bid price, unless otherwise directed. Post such permits and Inspection Certificates in a prominent place adjacent to the work.

2. Deliver all certificates of final inspection or approval to the office of the Engineer.

3. Do not cover any concealed work until final inspection has been made and approval certificates obtained.

1.4 DEFINITIONS

DTMB Chesterfield Veterans 220500 - 2 Basic Plumbing Materials

A. Finished Spaces: Spaces other than mechanical and electrical equipment rooms, furred spaces, pipe and duct shafts, unheated spaces immediately below roof, spaces above ceilings, unexcavated spaces, crawlspaces, and tunnels.

B. Exposed, Interior Installations: Exposed to view indoors. Examples include finished occupied spaces and mechanical equipment rooms.

C. Exposed, Exterior Installations: Exposed to view outdoors or subject to outdoor ambient temperatures and weather conditions. Examples include rooftop locations.

D. Concealed, Interior Installations: Concealed from view and protected from physical contact by building occupants. Examples include above ceilings and in duct shafts.

E. Concealed, Exterior Installations: Concealed from view and protected from weather conditions and physical contact by building occupants but subject to outdoor ambient temperatures.

Examples include installations within unheated shelters.

F. The following are industry abbreviations for plastic and rubber materials:

1. ABS: Acrylonitrile-butadiene-styrene plastic.

2. CPVC: Chlorinated polyvinyl chloride plastic.

3. PE: Polyethylene plastic.

4. PVC: Polyvinyl chloride plastic.

5. EPDM: Ethylene-propylene-diene terpolymer rubber.

6. NBR: Acrylonitrile-butadiene rubber.

1.5 SUBMITTALS

A. Submit sufficient copies required to insure that the Owner has one (1) copy and the Engineer has one (1) copy.

B. Submit shop drawings and product data grouped to include complete submittals of related systems, products and accessories in a single submittal. Tabulated type product data sheets are to be clearly marked to indicate specific items.

C. ALL shop drawings and product data shall be transmitted to the Engineer within fifteen (15) working days of the Notice to Proceed.

D. The initial Construction Progress Schedule shall be transmitted to the Engineer in duplicate within ten (10) working days after the date established in the Notice to Proceed for the Engineer’s review.

E. Submit shop and installation drawings, which shall serve the purpose of checking the Contractor's interpretation of the design drawings and specifications, and in correlation and coordination of the various trades, and be used by the Contractor's field workers as installation instructions. They shall include a complete schedule of materials, ductwork and equipment, which he/she intends to install for approval by the Engineer, as soon as practicable after the contract award, but in any event, prior to installing any materials or equipment. Provide operations and maintenance materials, which shall include schematic diagrams.

F. Review submittals and coordinate with equipment furnished under other Sections prior to installation and rough-in. Verify location, size, and type of connections. Coordinate details of equipment connections with supplier and installer.

G. In general, where specified trade names are mentioned, they are intended to indicate quality, appearance and type of construction required and not to restrict competition. The Engineer's decisions as to acceptability of substitute materials will be final and shall be binding on the Contractor.

DTMB Chesterfield Veterans 220500 - 3 Basic Plumbing Materials

H. All manufacturer's drawings, catalog cuts and specifications shall be properly identified with the Engineer's Job Title and Job Number. Each piece of equipment shall be properly identified as to its location and equipment number. Mark dimensions and values in units to match those specified.

I. Prepare and furnish to the Engineer three (3) bound copies “Operating and Maintenance Manual" on all equipment installed under this Contract.

J. Welding certificates.

K. Steel Support Welding: Qualify processes and operators according to AWS D1.1, "Structural Welding Code--Steel."

L. Steel Pipe Welding: Qualify processes and operators according to ASME Boiler and Pressure Vessel Code: Section IX, "Welding and Brazing Qualifications."

1. Comply with provisions in ASME B31 Series, "Code for Pressure Piping."

2. Certify that each welder has passed AWS qualification tests for welding processes involved and that certification is current.

M. Operating and Maintenance Manuals.

1. When the project is substantially complete and before the project is taken over by the

Owner for maintenance purposes, the Contractor shall be required to provide the Engineer with three (3) complete sets of written instructions covering the proper operation and maintenance requirements of all equipment furnished under these specifications.

2. The manual shall consist of an indexed loose-leaf binder containing the manufacturer's installation, operating, maintenance, lubrication and repair parts manual for each system component; approved shop drawings including equipment performance data and pump and fan performance curves; test and balance reports; and drawings showing rooms or areas served by each of the various heating, ventilating and air conditioning systems.

Small scale drawings will be furnished by the Owner’s Engineer / Architect for this purpose if desired. Should clarification be required on any of the above requirements, sample copies of acceptable manuals are available for inspection. All outsize sheets shall be recopied to provide uniformity of size.

1.6 DELIVERY, STORAGE, AND HANDLING

A. As indicated in each of the specification sections.

1.7 COORDINATION

A. The accompanying Drawings show the arrangement, general design and extent of the work and are more or less diagrammatical with equipment in its general location, except that in certain cases the drawings may include details giving exact location and arrangement.

B. The Drawings are not intended to be scaled for roughing-in or to serve as shop drawings. If drawings are required for this purpose, or have to be made from field measurements, it shall be the responsibility of the Contractor to prepare such drawings.

C. The Plans and Specifications are intended to include all work and materials for the entire completion of the work. Any item of material, labor or detail required for proper execution and completion of the work and omitted from either the plans and specifications or both, but obviously understood and or required to make all systems complete and operable, shall be furnished as part of the contract without additional cost even though not specified or shown.

DTMB Chesterfield Veterans 220500 - 4 Basic Plumbing Materials

D. Before any work is installed, and before any equipment is fabricated or purchased, the Contractor shall consult all contract documents in addition to the Mechanical Drawings, including Architectural, Structural, Civil/Site, Electrical and others, insofar as they may affect his work or affect the location of equipment, piping or duct work; and shall be held to be thoroughly conversant with the construction problems insofar as they affect his work and to coordinate with the other trades in doing their work and locating equipment.

E. Arrange for pipe spaces, chases, slots, and openings in building structure during progress of construction, to allow for mechanical installations.

F. Coordinate installation of required supporting devices and set sleeves in poured-in-place concrete and other structural components as they are constructed.

G. Coordinate requirements for access panels and doors for mechanical items requiring access that are concealed behind finished surfaces.

1.8 CONFLICT BETWEEN DRAWINGS AND THESE SPECIFICATIONS

A. The drawings and these specifications are to be treated as mutually equal. ONE DOES NOT

TAKE PRECEDENCE OVER THE OTHER.

B. Where there is a conflict between the drawings and the specifications, the contractor SHALL contact the Engineer for clarification.

C. In the event the Engineer is not available to respond to the conflict, the contractor SHALL

ASSUME THAT THE HIGHER QUALITY ITEM SHALL BE BID.

1.9 EXAMINATION AND ACCEPTANCE OF WORK IN PLACE

A. Examine work in place on which specified work is dependent. Defects which may influence satisfactory completion and performance of specified work shall be corrected in accordance with the requirements of the applicable section of work prior to the commencement of the specified work. Commencement shall be construed as work in place being acceptable for satisfying the requirements of this section.

1.10 OMISSIONS

A. The intent of these Specifications and Drawings is to secure a complete and operating job in all regards. If any major or obvious omissions exist, the Contractor shall question such items prior to submitting his/her bid; furthermore, the omission from the Drawings and Specifications of any minor detail of construction or installation, shall not relieve the Contractor from providing and installing same. Such omissions shall not entitle the Contractor to make claim for extras for materials or labor.

1.11 STRUCTURAL DIFFICULTIES

A. Should any field conditions prevent the locating of any mechanical equipment as shown on the plans, the Contractor is required to make any minor deviations, as determined by the Engineer, without extra cost.

1.12 FIELD MEASUREMENTS

A. Take field measurements to verify or supplement dimensions indicated.

B. All measurements necessary for the proper installation of the work shall be taken in the field.

1.13 LAWS, REGULATIONS, CODES AND STANDARDS

DTMB Chesterfield Veterans 220500 - 5 Basic Plumbing Materials

A. All work and materials shall be in conformity with all applicable Federal, State and Local Laws, codes and regulations, as well as, applicable current standards.

B. Where the requirements of the Contract Documents exceed those of the laws, regulations and standards mentioned above, the requirements of the Contract Documents shall govern.

C. All equipment and materials shall be listed by Underwriters Laboratories, Inc., except for classes of equipment not available with such listings.

D. Obtain permits and inspections from the authority(ies) having jurisdiction.

1.14 REFERENCE STANDARDS

A. The work shall comply with the requirements of the latest edition of the following standard specifications, as applicable.

1. MBC: Michigan Building Code

2. MPC: Michigan Plumbing Code

3. MMC: Michigan Mechanical Code

4. MEC: Michigan Energy Code

5. MIOSHA: Michigan Regulations for Safety and Health.

6. ANSI: American National Standards Institute.

7. ASHRAE: Standard for the design, fabrication and installation of HVAC systems.

8. ASME: American Society of Mechanical Engineers.

9. ASTM: American Society for Testing Materials.

10. NFPA: National Plumbing Association.

11. SMACNA: Standard for the design, fabrication and installation of duct work.

12. UL: Underwriters Laboratories

1.15 CURRENT CHARACTERISTICS

A. All motors 1/2 HP and greater shall be 3 phase, 208V or 460V, 60HZ, unless otherwise noted.

B. All motors less than 1/2 horsepower shall be single phase, 120V, 60HZ, unless otherwise noted.

1.16 ELECTRICAL CHARACTERISTICS

A. Electrical Characteristics for Mechanical Equipment: Equipment of higher electrical characteristics may be furnished provided such proposed equipment is approved in writing and connecting electrical services, circuit breakers, and conduit sizes are appropriately modified. If minimum energy ratings or efficiencies are specified, equipment shall comply with requirements.

B. The mechanical contractor shall supply all starters, safety switches and other motor control equipment necessary to properly operate and control all controls for mechanical equipment shall be installed by the electrical contractor.

1.17 MAINTENANCE

A. Contractor shall be responsible for maintenance of equipment and systems installed until final acceptance by Owner.

1.18 WARRANTIES

A. In the event that any part of the work or equipment fails (abuse and causes beyond control of the Contractor excepted), within this period of guarantee, it shall be replaced by the Contractor at no cost to the Owner.

DTMB Chesterfield Veterans 220500 - 6 Basic Plumbing Materials

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. In other Part 2 articles where subparagraph titles below introduce lists, subject to compliance with requirements, provide products by the manufacturers specified.

PART 3 - EXECUTION

3.1 DEMOLITION

A. Disconnect, demolish, and remove plumbing systems, equipment, and components indicated to be removed.

1. Piping to Be Removed: Remove portion of piping indicated to be removed and cap or plug remaining piping with same or compatible piping material.

2. Equipment to Be Removed: Disconnect and cap services and remove equipment.

3. Equipment to Be Removed and Reinstalled: Disconnect and cap services and remove, clean, and store equipment; when appropriate, reinstall, reconnect, and make equipment operational.

4. Equipment to Be Removed and Salvaged: Disconnect and cap services and remove equipment and deliver to Owner.

B. If pipe, insulation, or equipment to remain is damaged in appearance or is unserviceable, remove damaged or unserviceable portions and replace with new products of equal capacity and quality.

3.2 INSTALLATION

A. Install materials in accordance with manufacturer's instructions.

B. Character of Work: The installation shall be executed in a workmanlike manner and shall present a neat mechanical appearance when completed.

C. Laying Out Work

1. Layout equipment in accordance with the contract documents and the manufacturers recommended practice including provision of adequate space for maintenance. Review layout with the Engineer prior to installation.

2. Check drawings of other trades to verify spaces in which work will be installed.

Maintain maximum headroom and space conditions at all points. Where headroom or space conditions appear inadequate, notify the Engineer before proceeding with installation.

3. If directed by the Engineer, the contractor shall make reasonable modifications in the layout as required to permit proper execution of the work and to prevent conflict with work of other trades.

4. Work shall be installed so as to be readily for operation, maintenance and repair. Minor deviations from drawings may be made to accomplish this. Changes shall not be made without approval of the Construction Representative.

D. Connection to Existing Systems

1. Connections to existing system shall be arranged in advance and shall be made at the convenience of the Owner.

2. Existing water systems that must be drained for contract work must be refilled and purged of air at the job end. The contractor shall replace any water treatment that was removed during the system draining. The Owner shall be consulted as to the type and quantity of water treatment.

DTMB Chesterfield Veterans 220500 - 7 Basic Plumbing Materials

E. Accessibility

1. Access doors/panels shall be provided in all pipe chases, soffits, walls and ceilings.

2. Coordinate the exact location with the work of other trades.

3. Verify the exact quantity, size and location of the required access panels/doors after the installation of systems and equipment requiring access, and prior to the closure of the affected ceilings and building assemblies.

3.3 STRUCTURAL DIFFICULTIES

A. Should any field conditions prevent the locating of any equipment as shown on the plans, the Contractor is required to make any minor deviations, as determined by the Engineer, without extra cost.

3.4 FIELD MEASUREMENTS

A. Take field measurements to verify or supplement dimensions indicated.

B. All measurements necessary for the proper installation of the work shall be taken in the field.

3.5 FIELD QUALITY CONTROL

A. Site Tests

1. Furnish all labors and equipment necessary for the completion of all tests called for in these specifications.

2. Arrange with all authorities to complete the tests without unnecessary delays so that the work may progress as rapidly as possible. Notify the Construction Representative in advance of all tests, at least 24 hours before starting any tests.

3. Tests shall be repeated after any defects disclosed thereby have been made good or the work replaced, if in the judgment of the Construction Representative, it is deemed necessary.

4. Test Equipment: Instrumentation shall be provided as necessary and appropriate to perform the work. The instrument shall be factory calibrated, and shall be used with the factory-determined application factors. When reasonable doubt of accuracy exists, recalibration of any or all instrumentation shall be performed as requested by the Engineer.

3.6 3.6 CUTTING AND PATCHING

A. No cutting or patching shall be done which is liable to impair the strength of the building, without the approval of the Engineer.

B. Cut, channel, chase, and drill floors, walls, partitions, ceilings, and other surfaces required to permit electrical installations. Perform cutting by skilled mechanics of trades involved.

C. All openings made by the Contractor shall be neatly patched by him after the work is done.

Repair and refinish disturbed finish materials and other surfaces to match adjacent undisturbed surfaces. Install new fireproofing where existing fire-stopping has been disturbed. Repair and refinish materials and other surfaces by skilled mechanics of trades involved.

3.7 PLUMBING EQUIPMENT INSTALLATION - COMMON REQUIREMENTS

A. Install equipment to allow maximum possible headroom unless specific mounting heights are not indicated.

DTMB Chesterfield Veterans 220500 - 8 Basic Plumbing Materials

B. Install equipment level and plumb, parallel and perpendicular to other building systems and components in exposed interior spaces, unless otherwise indicated.

C. Install equipment to facilitate service, maintenance, and repair or replacement of components.

Connect equipment for ease of disconnecting, with minimum interference to other installations.

Extend grease fittings to accessible locations.

D. Install equipment to allow right of way for piping installed at required slope.

3.8 CONCRETE BASES

A. Concrete Bases: Anchor equipment to concrete base according to equipment manufacturer's written instructions and according to seismic codes at Project.

1. Construct concrete bases of dimensions indicated, but not less than 4" (100 mm) larger in both directions than supported unit.

2. Install dowel rods to connect concrete base to concrete floor. Unless otherwise indicated, install dowel rods on 18" (450 mm) centers around the full perimeter of the base.

3. Install epoxy-coated anchor bolts for supported equipment that extend through concrete base, and anchor into structural concrete floor.

4. Place and secure anchorage devices. Use supported equipment manufacturer's setting drawings, templates, diagrams, instructions, and directions furnished with items to be embedded.

5. Install anchor bolts to elevations required for proper attachment to supported equipment.

6. Install anchor bolts according to anchor-bolt manufacturer's written instructions.

7. Use 3000 psi (20.7 MPa), 28 day compressive strength concrete and reinforcement.

3.9 ERECTION OF METAL SUPPORTS AND ANCHORAGES

A. Cut, fit, and place miscellaneous metal supports accurately in location, alignment, and elevation to support and anchor mechanical materials and equipment.

B. Field Welding: Comply with AWS D1.1.

3.10 GROUTING

A. Mix and install grout for mechanical equipment base bearing surfaces, pump and other equipment base plates, and anchors.

B. Clean surfaces that will come into contact with grout.

C. Provide forms as required for placement of grout.

D. Avoid air entrapment during placement of grout.

E. Place grout, completely filling equipment bases.

F. Place grout on concrete bases and provide smooth bearing surface for equipment.

G. Place grout around anchors.

H. Cure placed grout.

3.11 OPERATING TESTS

A. Following the complete installation of all materials and equipment covered by these Specifications, the Contractor shall conduct operating tests on the various systems installed to demonstrate that all equipment is in proper operating condition, correctly adjusted and calibrated for satisfactory functional and operating efficiency, as outlined hereinafter.

DTMB Chesterfield Veterans 220500 - 9 Basic Plumbing Materials

3.12 ACCEPTANCE OF INSTALLATION

A. The Engineer may accept an equipment system installation as substantially complete when:

1. All components of a system are installed.

2. All factory test(s) have been approved by the Engineer.

3. All performance shop test(s) have been approved by the Engineer.

4. Field start-up activities have been completed and approved by the Engineer.

5. All required Owner's personnel have been trained.

6. The certificate from the manufacturer stating that the installation of the equipment is satisfactory, that the unit has been satisfactorily tested, is ready for operation, and that the operating personnel have been suitably instructed in the operation, lubrication, and care of the unit have been submitted.

7. The O & M Manuals have been approved by the Engineer.

3.13 GUARANTEE

A. The Contractor shall provide a written guarantee to the Owner on the work and equipment which shall be good for one (1) year or longer as may be specified hereinafter.

END OF SECTION

DTMB Chesterfield Veterans 220503 - 1 Pipes and Tubes Home Maintenance Building

SECTION 220503

PIPES AND TUBES

1 GENERAL

1.1 Work includes water piping, sanitary sewer piping, storm water piping, and natural gas piping;

connections for dielectric fittings, flanges, unions and couplings; installation of pipe hangers and supports.

1.2 Perform Work in accordance with ASME B31.9 code for installation of piping systems and

ASME Section IX for welding materials and procedures.

1.3 Perform work in accordance with ASTM F876, ASTM F877, ASTM F2023, ASTM 2098, ASTM

F2434, ASTM F2623, ASTM F2657, ASTM 2679, ASTM F2818, ASTM F2829, AWWA C904,

NSF/ANSI Standard 14, NSF/ANSI Standard 61.

2 PRODUCTS

2.1 Shop Drawings: Indicate layout of piping systems, including equipment, critical dimensions, and sizes. Submit shop drawings sealed by registered professional engineer.

2.2 Design Data: Indicate pipe sizes. Indicate pipe sizing methods. Indicate calculations used.

Submit sizing methods and calculations sealed by registered professional engineer.

2.3 Product Data: Submit data on pipe materials and fittings. Submit manufacturer’s catalog information.

2.1 Sanitary Sewer Piping, above Grade:

A. Cast Iron Pipe: CISPI 301, hubless, service weight, with neoprene gaskets and stainless steel clamps.

B. As approved by OWNER for single story buildings less than 25,000 square feet:

1. PVC Pipe: ASTM D2665 or ASTM D3034 with PVC fittings and solvent weld joints.

2. PVC Pipe: ASTM D2665, ASTM D3034, or ASTM F679 with PVC fittings and elastomeric gasket joints.

2.2 Sanitary Sewer Piping, Buried Within 5 Feet of Building:

A. Cast Iron Pipe: CISPI 301, hubless, service weight, with neoprene gaskets and stainless steel clamps.

B. As approved by OWNER:

1. PVC Pipe: ASTM D2665 or ASTM D3034 with PVC fittings and solvent weld joints.

2. PVC Pipe: ASTM D2665, ASTM D3034, or ASTM F679 with PVC fittings and elastomeric gasket joints.

2.3 Water Piping, above Grade:

A. Copper Tubing: ASTM B88/B88M, Type M or L, hard drawn, with cast brass or wrought copper fittings and Grade 95TA lead free solder joints.

DTMB Chesterfield Veterans 220503 - 2 Pipes and Tubes

2.4 Storm Water Piping, above Grade:

A. Cast Iron Pipe: CISPI 301, hubless, service weight with neoprene gaskets and stainless steel clamps.

B. As approved by OWNER for single story buildings less than 25,000 square feet:

1. PVC Pipe: ASTM D2665 or ASTM D3034 with solvent weld joints.

2.5 Storm Water Piping, Buried Within 5 Feet of Building:

A. Cast Iron Pipe: CISPI 301, hubless, service weight with neoprene gaskets and stainless steel clamps.

B. As approved by OWNER:

1. PVC Pipe: ASTM D2665 or ASTM D3034 with solvent weld joints.

2.6 Natural Gas Piping, above Grade:

A. Steel Pipe: ASTM A53/A53M, Grade B, Schedule 40 black, with malleable iron or forged steel fittings, screwed or welded.

B. Copper Tubing: ASTM B88/B88M, Type K or L, annealed with wrought copper fittings and compression joints.

2.7 Flanges, Unions, and Couplings:

A. Pipe Size 2 inches and under: Malleable iron unions for threaded ferrous piping; bronze unions for copper pipe, soldered joints.

B. Pipe Size over 2 inches: Forged steel flanges for ferrous piping; bronze flanges for copper piping; preformed neoprene gaskets.

C. Grooved and Shouldered Pipe End Couplings: Malleable iron housing, C-shape elastomer composition sealing gasket, steel bolts, nuts, and washers.

2.8 Dielectric Connections: Union with galvanized or plated steel threaded end, copper solder end, water impervious isolation barrier

2.9 Manifolds: Distribution manifolds shall be manufactured of copper and be supplied by the piping manufacturer as a proven cataloged of the manufacturers system.

A. Copper Manifolds to be manufactured from Type L Copper.

B. Copper and/or brass outlets shall be high temperature brazed (lead free) into headers.

C. Outlets in Copper headers hall be made using the T-drill process according to ASTM F2014.

3 EXECUTION

3.1 Consult water treatment consultant regarding decontamination requirements for new installations of domestic water supply lines.

3.2 Ream pipe and tube ends. Remove burrs. Bevel plain end ferrous pipe.

3.3 Remove scale and dirt, on inside and outside piping before assembly.

3.4 Prepare piping connections to equipment with flanges or unions.

3.5 Install dielectric connections wherever jointing dissimilar metals.

3.6 Install unions downstream of valves and at equipment or apparatus connections.

3.7 Route piping parallel to building structure and maintain gradient.

3.8 Install piping to maintain headroom. Group piping to conserve space. Group piping whenever practical at common elevations.

DTMB Chesterfield Veterans 220503 - 3 Pipes and Tubes

3.9 Install piping to allow for expansion and contraction without stressing pipe, joints, or connected equipment.

3.10 Provide clearance in hangers and from structure and other equipment for installation of insulation and access to valves and fittings.

3.11 Sleeve pipe passing through partitions, walls and floors. Firestop interruptions to fire rated assemblies, materials, and components. Provide firestop as indicated on the drawings. Firestop listed to ASTM E814

3.12 Install piping system allowing clearance for installation of insulation and access to valves and fittings.

3.13 Install identification on piping systems including underground piping.

3.14 Deliver, store, protect and handle products to site.

3.15 Accept valves on site in shipping containers with labeling in place. Inspect for damage.

3.16 Provide temporary protective coating on cast iron and steel valves.

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

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

3.19 Slope water piping and arrange to drain at low points.

3.20 Install piping from relief valves, back-flow preventers and drains to nearest floor drain.

3.21 Install water hammer arrestors on hot and cold water supply piping to lavatories and sinks.

3.22 Provide water service complete with approved back-flow preventer and water meter with by-pass valves.

3.23 Install bell and spigot pipe with bell end upstream.

3.24 Extend cleanouts to finished floor or wall surface. Lubricate threaded cleanout plugs with mixture of graphite and linseed oil. Install with clearance at cleanout for rodding of drainage system.

3.25 Encase exterior cleanouts in concrete flush with grade.

3.26 Install floor cleanouts at elevation to accommodate finished floor.

3.27 Install piping penetrating roofed areas to maintain integrity of roof assembly.

3.28 Test drainage piping in accordance with local code requirements.

3.29 Pipe hanger supports:

A. Support horizontal piping as scheduled.

B. Install hangers with minimum 1/2 inch space between finished covering and adjacent work.

C. Place hangers within 12 inches of each horizontal elbow.

D. Use hangers with 1-1/2 inch minimum vertical adjustment.

E. Support horizontal cast iron pipe adjacent to each hub, with 5 feet maximum spacing between hangers.

F. Support vertical piping at every floor. Support vertical cast iron pipe at each floor at hub.

G. Where piping is installed in parallel and at same elevation, provide multiple pipe or trapeze hangers.

H. Support riser piping independently of connected horizontal piping.

I. Provide copper plated hangers and supports for copper piping.

J. Design hangers for pipe movement without disengagement of supported pipe.

K. Prime coat exposed steel hangers and supports. Hangers and supports located in crawl spaces, pipe shafts, and suspended ceiling spaces are not considered exposed.

3.27 PIPE HANGER SPACING:

HANGER ROD

PIPE SIZE MAX. HANGER SPACING DIAMETER

Inches (mm) Feet (m) Inches (mm)

DTMB Chesterfield Veterans 220503 - 4 Pipes and Tubes

1/2 to 1-1/4 6.5 (2) 3/8 (9) (12 to 32)

1-1/2 to 2 10 (3) 3/8 (9)

(38 to 50) 2-1/2 to 3 10 (3) 1/2 (13)

(65 to 75)

4 to 6 10 (3) 5/8 (15) (100 to 150)

8 to 12 14 (4.25) 7/8 (22)

(200 to 300)

14 and over 20 (6) 1 (25) (350 and Over)

PVC (All Sizes) 6 (1.8) 3/8 (9)

DTMB Chesterfield Veterans 220523 - 1 Valves

SECTION 220523

VALVES

1.1 Work includes gate valves, globe valves, ball valves, butterfly valves, and check valves.

2.1 Gate Valves:

A. Up to and including 3 Inches: Bronze body, bronze trim, non-rising stem, handwheel, inside screw, single wedge or disc, solder or threaded ends.

B. Over 2 inches: Iron body, bronze trim, rising stem, hand wheel, OS&Y, solid wedge, flanged or grooved ends.

2.2 Globe Valves:

A. Up to 2 Inches: Bronze body, bronze trim, rising stem and hand wheel, inside screw, renewable composition disc, solder or threaded ends, with back seating capacity.

B. Over 2 inches: Iron body, bronze trim, rising stem, hand wheel, OS&Y, plug type disc, flanged ends, renewable seat and disc.

2.3 Ball Valves:

A. Up to 2 inches: Bronze or stainless steel one piece body, chrome plated brass ball, Teflon seats and stuffing box ring, lever handle, solder or threaded ends.

B. Over 2 inches: Cast steel flanged body, chrome plated steel ball, Teflon seat and stuffing box seals and lever handle.

2.4 Butterfly Valves:

A. Up To 2 inches: Bronze body, stainless steel disc, resilient replaceable seat, threaded ends, extended neck, infinite position lever handle with memory stop.

B. Over 2 inches: Iron body, stainless steel disc, resilient replaceable seat, wafer or lug ends, extended neck, 10 position lever handle.

2.5 Swing Check Valves:

A. Up to 2 inches: Bronze body and swing disc, solder or threaded ends.

B. Over 2 inches: Iron body, bronze trim, swing disc, renewable disc and seat, flanged ends.

2.6 Spring Loaded Check Valves:

A. Iron body, bronze trim with threaded, wafer or flanged ends and stainless steel spring with renewable composition disc.

2.7 Relief Valves:

A. Bronze body, Teflon seat, stainless steel stem and springs, automatic, direct pressure actuated capacities ASME certified and labeled.

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

3.2 Solder or "sweat" joints shall be used for all copper and brass fittings, valves and tubing, using the soldering flux and methods recommended by the manufacturer of the tubing and fittings.

Solder shall be silver solder for buried piping. No lead solder shall be used on any potable water piping.

3.2 Install brass male adapters each side of valves in copper piped system. Solder adapters to pipe.

DTMB Chesterfield Veterans 220523 - 2 Valves

3.3 Install gate, ball or butterfly valves for shut-off and to isolate equipment, part of systems, and vertical risers.

3.4 Install ball or butterfly valves for throttling, bypass, or manual flow control services.

3.5 Provide lug end butterfly valves adjacent to equipment when functioning to isolate equipment.

Install with adequate head clearance, 7 feet above finished floor grade and around equipment. i.e.

chillers, pumps, evaporators, condensers.

3.6 Install spring loaded check valves on discharge of pumps.

3.7 Install 3/4 inch ball drain valves with cap for drains at main shut-off valves, low points of piping, bases of vertical risers, and at equipment. Pipe to nearest drain.

3.8 Install valves with clearance for installation of insulation and allowing access.

3.9 Provide access where valves and fittings are not accessible.

3.10 Install shutoff and drain valves at locations indicated on Drawings in accordance with this Section.

4 SCHEDULES

SYSTEM DESCRIPTION VALVE SERVICE

SHUTOFF THROTTLING CHECK

Domestic Cold and Hot Water

Heating Hot Water

Chilled Water

DTMB Chesterfield Veterans 220529 - 1 Pipe Hangers and Supports

SECTION 220529

PIPE HANGERS AND SUPPORTS

1.1 Work includes all pipe hanging and support systems.

1.2 The Contractor shall be responsible to design and provide all pipe hangers, supports, restraints, braces, framing, etc., as required to comply with all applicable building codes, ASME B31 and

Manufacturers Standardization Society of the Valve and Fittings Industry (MSS) SP-69.

2.1 Materials

A. The materials of all pipe hanging and supporting elements shall be in accordance with the latest requirements of the ASME Code for Pressure Piping B31.1 and MSS Standard

Practice MSS SP-58(Materials, Design, and Manufacture) and MSS SP-69(Selection and

Application) except as supplemented or modified by the requirements of these Specifications.

B. The material in contact with the pipe shall be compatible with the piping material so that neither shall have a deteriorating action on the other.

C. Outdoor and wet areas shall include ferrous hangers and supports that are hot dip galvanized.

2.2 HANGER RODS

A. Minimum rod diameters for rigid rod hangers shall be as shown in MSS SP-69

B. Shall be subjected to tensile loading only.

C. Rod material compatible with hanger.

D. Do not use perforated strap.

E. Placed at end of runs.

2.3 SADDLES AND SHIELDS

A. Saddle: MSS Type 39 (Grinnell #160-164).

B. Shields: MSS Type 40 (Grinnell #167) provide and install in accordance with manufacturer’s shield size selection tables.

3.1 APPLICATION

A. The selection of hangers and supports shall be made to provide the piping system with the degree of control that its operating characteristics require.

B. Select and install hangers and supports to allow controlled thermal and seismic movement of piping systems, to permit freedom of movement between pipe anchors, and facilitate action of expansion joints, expansion loops, expansion bends and similar units.

C. Select all hangers and supports rated for the maximum potential loading with pipe full.

3.2 INSTALLATION

A. Comply with MSS SP-69 and MSS SP-89.

DTMB Chesterfield Veterans 220529 - 2 Pipe Hangers and Supports

B. Adjust for proper operation and required pipe slope.

C. Double nut all support rods at hangers.

D. Install piping as indicated on the Drawings.

E. Place hangers within 12 inches of each horizontal elbow.

F. Support at valves 4-inches and larger.

G. Support vertical risers independently from adjacent hangers on horizontal piping.

H. Support vertical risers at the base of the riser and at every floor.

I. Support vertical risers at a maximum unsupported length of 12 feet.

3.3 PIPE HANGER SPACING:

HANGER ROD

PIPE SIZE MAX. HANGER SPACING DIAMETER

Inches (mm) Feet (m) Inches (mm)

1/2 to 1-1/4 6.5 (2) 3/8 (9)

(12 to 32)

1-1/2 to 2 10 (3) 3/8 (9)

(38 to 50)

2-1/2 to 3 10 (3) 1/2 (13)

(65 to 75)

4 to 6 10 (3) 5/8 (15)

(100 to 150)

8 to 12 14 (4.25) 7/8 (22)

(200 to 300)

14 and over 20 (6) 1 (25)

(350 and Over)

3.4 INSULATION

A. Provide protection saddle equal to insulation thickness.

B. Provide protection saddle at each hanger.

C. Provide insulation protection shield in accordance with the following:

Pipe Size (IPS) Shield Gage Length

5” and smaller 16 12”

6” to 12” 12 16”

Greater than 12” 12 20”

3.5 PAINTING

A. Prime coat exposed steel hangers and supports.

B. Galvanized surfaces: Clean welds, connections and abraded areas. Apply galvanizing repair paint to comply with ASTM A780.

DTMB Chesterfield Veterans 220719 - 1 Plumbing Insulation

SECTION 220719

PLUMBING INSULATION

PART 1 - GENERAL

1.1 SECTION REQUIREMENTS

A. Submittals: Product Data.

B. Quality Assurance: Labeled with maximum flame-spread index of 25 and maximum smoke-developed index of 50 according to ASTM E 84.

PART 2 - PRODUCTS

2.1 INSULATION MATERIALS

A. Foam insulation materials shall not use CFC or HCFC blowing agents in the manufacturing process.

B. Flexible elastomeric thermal insulation is unsuitable for temperatures lower than minus 70 deg F (minus 57 deg C) and higher than 220 deg F (104 deg C).

C. Flexible Elastomeric: Closed-cell, sponge- or expanded-rubber materials. Comply with

ASTM C 534, Type I for tubular materials and Type II for sheet materials.

D. Mineral-Fiber Blanket Insulation: Comply with ASTM C 553, Type II and ASTM C 1290, Type I.

E. The most common jacket for equipment applications is ASJ.

F. Mineral-Fiber Board Insulation: Comply with ASTM C 612, Type IA or Type IB.

G. Mineral-Fiber, Preformed Pipe Insulation: Comply with ASTM C 547, Type I, Grade A, with factory-applied ASJ.

H. Mineral-Fiber, Pipe and Tank Insulation: Complying with ASTM C 1393, Type II or Type IIIA

Category 2, or with properties similar to ASTM C 612, Type IB; and having factory-applied jacket. Nominal density is 2.5 lb/cu. ft. (40 kg/cu. m) or more. Thermal conductivity (k-value) at 100 deg F (55 deg C) is 0.29 Btu x in./h x sq. ft. x deg F (0.042 W/m x K) or less.

I. Polyolefin Insulation: Unicellular, polyethylene thermal plastic insulation. Comply with

ASTM C 534 or ASTM C 1427, Type I, Grade 1 for tubular materials and Type II, Grade 1 for sheet materials.

J. Flexible Elastomeric and Polyolefin Adhesive: Comply with MIL-A-24179A, Type II, Class I.

DTMB Chesterfield Veterans 220719 - 2 Plumbing Insulation

K. Mineral-Fiber Adhesive: Comply with MIL-A-3316C, Class 2, Grade A.

L. Vapor-Barrier Mastic: Water based; suitable for indoor and outdoor use on below ambient services.

M. Factory-Applied Jackets: When factory-applied jackets are indicated, comply with the following:

1. ASJ: White, kraft-paper, fiberglass-reinforced scrim with aluminum-foil backing;

complying with ASTM C 1136, Type I.

2. FSK Jacket: Aluminum-foil, fiberglass-reinforced scrim with kraft-paper backing;

complying with ASTM C 1136, Type II.

N. ASJ Tape: White vapor-retarder tape matching factory-applied jacket with acrylic adhesive, complying with ASTM C 1136.

O. FSK Tape: Foil-face, vapor-retarder tape matching factory-applied jacket with acrylic adhesive;

complying with ASTM C 1136.

PART 3 - EXECUTION

3.1 PIPE INSULATION INSTALLATION

A. Comply with requirements of the Midwest Insulation Contractors Association's "National

Commercial & Industrial Insulation Standards" for insulation installation on pipes and equipment.

B. Insulation Installation at Interior Wall and Partition Penetrations (That Are Not Fire Rated):

Install insulation continuously through walls and partitions.

C. Insulation Installation at Fire-Rated Wall, Partition, and Floor Penetrations: Install insulation continuously through penetrations. Seal penetrations. Comply with requirements in

Division 07 Section "Penetration Firestopping."

D. Flexible Elastomeric Insulation Installation:

1. Seal longitudinal seams and end joints with adhesive to eliminate openings in insulation that allow passage of air to surface being insulated.

2. Insulation Installation on Pipe Fittings and Elbows: Install mitered sections of pipe insulation. Secure insulation materials and seal seams with adhesive to eliminate openings in insulation that allow passage of air to surface being insulated.

E. Mineral-Fiber Insulation Installation:

1. Insulation Installation on Straight Pipes and Tubes: Where vapor barriers are indicated, seal longitudinal seams, end joints, and protrusions with vapor-barrier mastic and joint sealant.

2. For insulation with factory-applied jackets on above ambient surfaces, secure laps with outward clinched staples at 6 inches (150 mm) o.c.

DTMB Chesterfield Veterans 220719 - 3 Plumbing Insulation

3. For insulation with factory-applied jackets on below ambient surfaces, do not staple longitudinal tabs but secure tabs with additional adhesive as recommended by insulation material manufacturer and seal with vapor-barrier mastic and flashing sealant.

F. Polyolefin Insulation Installation:

1. Seal split-tube longitudinal seams and end joints with adhesive to eliminate openings in insulation that allow passage of air to surface being insulated.

2. Insulation Installation on Pipe Fittings and Elbows: Install mitered sections of polyolefin pipe insulation. Secure insulation materials and seal seams with adhesive to eliminate openings in insulation that allow passage of air to surface being insulated.

G. Interior Piping System Applications: Insulate the following piping systems:

1. Domestic hot water.

2. Recirculated domestic hot water.

3. Roof drain bodies and horizontal rainwater leaders of storm water piping.

4. Exposed water supplies and sanitary drains of fixtures for people with disabilities.

H. Do not apply insulation to the following systems, materials, and equipment:

1. Flexible connectors.

2. Sanitary drainage and vent piping.

3. Drainage piping located in crawlspaces unless otherwise indicated.

4. Chrome-plated pipes and fittings, except for plumbing fixtures for people with disabilities.

5. Piping specialties, including air chambers, unions, strainers, check valves, plug valves, and flow regulators.

3.2 INDOOR PIPING INSULATION SCHEDULE

A. Unless otherwise indicated, do not install insulation on the following:

1. Drainage piping located in crawlspaces.

2. Underground piping.

3. Chrome-plated pipes and fittings unless there is a potential for personnel injury.

B. Domestic Cold Water:

1. NPS 1 inch (DN 25mm) and Smaller: Insulation shall be one of the following:

a. Flexible Elastomeric: 1 inch (25 mm) thick.

b. Mineral-Fiber, Preformed Pipe Insulation, Type I: 1 inch (25 mm) thick.

c. Polyolefin: 1 inch (25 mm) thick.

2. NPS 1-1/4 inch (DN 32mm) and Larger: Insulation shall be one of the following:

a. Flexible Elastomeric: 1 inch (25 mm) thick.

b. Mineral-Fiber, Preformed Pipe Insulation, Type I: 1 inch (25 mm) thick.

c. Polyolefin: 1 inch (25 mm) thick.

DTMB Chesterfield Veterans 220719 - 4 Plumbing Insulation

C. Domestic Hot and Recirculated Hot Water:

1. NPS 1-1/4 inch (DN 32mm) and Smaller: Insulation shall be one of the following:

a. Flexible Elastomeric: 1 inch (25 mm) thick.

b. Mineral-Fiber, Preformed Pipe Insulation, Type I: 1 inch (25 mm) thick.

c. Polyolefin: 1 inch (25 mm) thick.

2. NPS 1-1/2 (DN 40) and Larger: Insulation shall be one of the following:

a. Flexible Elastomeric: 1 inch (25 mm) thick.

b. Mineral-Fiber, Preformed Pipe Insulation, Type I: 1 inch (25 mm) thick.

c. Polyolefin: 1 inch (25 mm) thick.

D. Roof Drain and Overflow Drain Bodies:

1. All Pipe Sizes: Insulation shall be one of the following:

a. Flexible Elastomeric: 1 inch (25 mm) thick.

b. Mineral-Fiber, Preformed Pipe Insulation, Type I: 1 inch (25 mm) thick.

c. Polyolefin: 1 inch (25 mm) thick.

E. Exposed Sanitary Drains, Domestic Water, Domestic Hot Water, and Stops for Plumbing Fixtures for People with Disabilities:

1. All Pipe Sizes: Insulation shall be one of the following:

a. Flexible Elastomeric: 1 inch (25 mm) thick.

b. Mineral-Fiber, Preformed Pipe Insulation, Type I: 1 inch (25 mm) thick.

c. Polyolefin: 1 inch (25 mm) thick.

DTMB Chesterfield Veterans 221116 - 1 Domestic Water Piping

SECTION 221116

DOMESTIC WATER PIPING

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary

Conditions, apply to this Section.

1.2 SUMMARY

A. This Section includes domestic water piping, valves inside the building.

1.3 PERFORMANCE REQUIREMENTS

A. Provide components and installation capable of producing domestic water piping systems with 80 psig (550 kPa), unless otherwise indicated.

1.4 SUBMITTALS

A. Product Data: For pipe, tube, fittings, and couplings.

B. Water Samples: Specified in Part 3 "Cleaning" Article.

C. Field quality-control test reports.

1.5 QUALITY ASSURANCE

A. Piping materials shall bear label, stamp, or other markings of specified testing agency.

B. Comply with NSF 61, "Drinking Water System Components - Health Effects; Sections 1 through

9," for potable domestic water piping and components.

C. Per ASME B 31.1, galvanized piping and fittings shall not be used with black steel piping and fittings in piping systems.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. In other Part 2 articles where titles below introduce lists, subject to compliance with requirements, provide products by one of the manufacturers specified.

2.2 PIPING MATERIALS

A. Refer to Part 3 "Pipe and Fitting Applications" Article for applications of pipe, tube, fitting, and joining materials.

B. Transition Couplings for Aboveground Pressure Piping: Coupling or other manufactured fitting the same size as, with pressure rating at least equal to and ends compatible with, piping to be joined.

DTMB Chesterfield Veterans 221116 - 2 Domestic Water Piping

2.3 COPPER TUBE AND FITTINGS

A. Soft Copper Tube: ASTM B 88, Types K and L (ASTM B 88M, Types A and B), water tube, annealed temper.

1. Copper Pressure Fittings: ASME B16.18, cast-copper-alloy or ASME B16.22, wrought-copper, solder-joint fittings. Furnish wrought-copper fittings if indicated.

2. Bronze Flanges: ASME B16.24, Class 150, with solder-joint ends. Furnish Class 300 flanges if required to match piping.

3. Copper Unions: MSS SP-123, cast-copper-alloy, hexagonal-stock body, with ball-and-socket, metal-to-metal seating surfaces, and solder-joint or threaded ends.

B. Hard Copper Tube: ASTM B 88, Types L and M (ASTM B 88M, Types B and C), water tube, drawn temper.

1. Copper Pressure Fittings: ASME B16.18, cast-copper-alloy or ASME B16.22, wrought-copper, solder-joint fittings. Furnish wrought-copper fittings if indicated.

2. Bronze Flanges: ASME B16.24, Class 150, with solder-joint ends. Furnish Class 300 flanges if required to match piping.

3. Copper Unions: MSS SP-123, cast-copper-alloy, hexagonal-stock body, with ball-and-socket, metal-to-metal seating surfaces, and solder-joint or threaded ends.

2.4 VALVES

A. Bronze and cast-iron, general-duty valves are specified in other sections of these specifications.

B. Balancing and drain valves are specified in other sections of these specifications.

PART 3 - EXECUTION

3.1 EXCAVATION

A. Excavating, trenching, and backfilling are specified in other sections of these specifications.

3.2 PIPE AND FITTING APPLICATIONS

A. Transition and special fittings with pressure ratings at least equal to piping rating may be used in applications below, unless otherwise indicated.

B. Flanges may be used on aboveground piping, unless otherwise indicated.

C. Fitting Option: Extruded tee connections and brazed joints may be used on aboveground copper tubing.

D. Above ground Domestic Water Piping: Use any of the following piping materials for each size range:

1. NPS 1 (DN 25) and Smaller: Hard copper tube, Type L (Type B) or Type M (Type C);

copper pressure fittings; and soldered joints.

2. NPS 11/4 and NPS 11 /2 (DN 32 and DN 40): Hard copper tube, Type L (Type B) or

Type M (Type C); copper pressure fittings; and soldered joints.

3. NPS 2 (DN 50): Hard copper tube, Type L (Type B) or Type M (Type C); copper pressure fittings; and soldered joints.

4. NPS 21/2 to NPS 31/2 (DN 65 to DN 90): Hard copper tube, Type L (Type B) Type M (Type C); copper pressure fittings; and soldered joints.

DTMB Chesterfield Veterans 221116 - 3 Domestic Water Piping

E. Drawings indicate valve types to be used. Where specific valve types are not indicated, the following requirements apply:

1. Shutoff Duty: Use bronze ball valves for piping NPS 2 (DN 50) and smaller. Use cast-iron butterfly with flanged ends for piping NPS 21/2 (DN 65) and larger.

2. Throttling Duty: Use bronze ball valves for piping NPS 2 (DN 50) and smaller. Use cast-iron butterfly valves with flanged ends for piping NPS 21/2 (DN 65) and larger.

3. Drain Duty:…