Attachment 03_Specifications Vol 02.pdf

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Camp Perry Logistics Complex Federal contract opportunity
Solicitation number
W50S8R-22-B-0001
Issued by
Department of the Army Ohio Army National Guard

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This is a solicitation notice for a new construction project at Camp Perry Logistics Complex in Port Clinton, Ohio. The 179th Airlift Wing, Mansfield Ohio ANG Contracting Office is seeking bids for Project No. EUBC 009109, with a magnitude between $5 million and $10 million. This project is set aside for small businesses with a NAICS Code of 236220 and size standard of $39.5 million average annual revenue for the previous three years. Interested contractors should register at SAM.gov and attend an in-person site visit following base access requirements. The bid opening is scheduled for October 31, 2022 at 1:00pm EST. Questions should be emailed to Gordon Strom using the provided template. The solicitation and plans are available at SAM.gov.

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W50S8R-22-B-0001 0005.pdf PDF
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Attachment 01-B_Drawings.pdf PDF
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SPECIFICATIONS – VOLUME 2

Type B-3 Final Design Submission August 19, 2022

Prepared for:

The National Guard Bureau Contract: W9133L16D0005, Order: W50S8R20F0001

And

Ohio Air National Guard Camp Perry, 200th Red Horse Squadron – Port Clinton, OH

111 Wood Avenue South, Suite 102 Iselin, New Jersey 08830

973.379.3400 | fsb-fdg.com mottmac.com

RED HORSE Logistics Complex

FY 2022, PN EUBC009109

RED HORSE Logistics Complex Project: EUBC009109 Camp Perry, 200th Red Horse Squadron, Port Clinton, OH

TABLE OF CONTENTS TOC-4

TABLE OF CONTENTS

VOLUME 2

DIVISION 23 – HEAT VENTILATING AND AIR CONDITIONING

230513 COMMON MOTOR REQUIREMENTS FOR HVAC EQUIPMENT

230516 EXPANSION FITTINGS AND LOOPS FOR HVAC PIPING

230519 METERS AND GAGES FOR HVAC PIPING

230523 GENERAL DUTY VALVES FOR HVAC PIPING

230529 HANGERS AND SUPPORTS FOR HVAC PIPING AND EQUIPMENT

230548 VIBRATION AND WIND CONTROLS FOR HVAC

230553 IDENTIFICATION FOR HVAC PIPING AND EQUIPMENT

230593 TESTING, ADJUSTING AND BALANCING FOR HVAC

230713 DUCT INSULATION

230719 HVAC PIPING INSULATION

230923 DIRECT DIGITAL CONTROL (DDC) SYSTEM FOR HVAC

232113 HYDRONIC PIPING

232116 HYDRONIC PIPING SPECIALTIES

232123 HYDRONIC PUMPS

232300 REFRIGERANT PIPING

232513 WATER TREATMENT FOR CLOSED-LOOP HYDRONIC SYSTEMS

233113 METAL DUCTS

233300 AIR DUCT ACCESSORIES

233346 FLEXIBLE DUCTS

233423 HVAC POWER VENTILATORS

233600 AIR TERMINAL UNITS

233713.13 AIR DIFFUSERS

233713.23 REGISTERS AND GRILLES

233723 HVAC GRAVITY VENTILATORS

235123 GAS VENTS

235216 CONDENSING BOILERS

238119 AIR HANDLING UNITS

238126 SPLIT-SYSTEM AIR-CONDITIONERS

238239.16 PROPELLER UNIT HEATERS

239000 MECHANICAL COMMISSIONING

DIVISION 26 – ELECTRICAL

260513 MEDIUM VOLTAGE CABLES

260519 LOW-VOLTAGE ELCTRICAL POWER CONDUCTORS AND CABLES

260526 GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS

260529 HANGERS AND SUPPORTS FOR ELECTRICAL SYSTEMS

260533 RACEWAYS AND BOXES FOR ELECTRICAL SYSTEMS

260553 IDENTIFICATION FOR ELECTRICAL SYSTEMS

260573.13 SHORT CIRCUIT STUDIES

260573.16 COORDINATION STUDIES

260573.19 ARC FLASH HAZARD ANALYSIS

260913 ELECTRICAL POWER MONITORING

260923 LIGHTING CONTROLS DEVICES

TABLE OF CONTENTS TOC-5

260943.16 ADDRESSABLE LUMINAIRE LIGHTING CONTROLS

261219 PADMOUNTED LIQUID FILLED MEDIUM VOLTAGE TRANSFORMERS

261320 MEDIUM VOLTAGE PADMOUNTED SECTIONALIZING CABINET

262416 PANELBOARDS

262726 WIRING DEVICES

262813 FUSES

262816 ENCLOSED SWITCHES AND CIRCUIT BREAKERS

262913 MOTOR CONTROLLERS

263323.11 CENTRAL BATTERY EQUIPMENT LIGHTING

263600 TRANSFER SWITCHES

264113 LIGHTNING PROTECTION FOR STRUCTURES

264313 SURGE PROTECTIVE DEVICES FOR LOW VOLTAGE ELECTRICAL POWER

CIRCUITS

265119 LED INTERIOR LIGHTING

265213 EMERGENCY AND EXIT LIGHTING

265619 LED EXTERIOR LIGHTING

DIVISION 27 – COMMUNICATIONS

270536 CABLE TRAYS FOR COMMUNICATIONS

271100 COMMUNICATIONS EQUIPMENT ROOM FITTINGS

271116 COMMUNICATIONS RACKS, FRAMES, AND ENCLOSURES

271513 COMMUNICATIONS COPPER HORIZONTAL CABLING

DIVISION 28 – ELECTRONIC SAFETY AND SECURITY

284622 ADDRESSABLE FIRE ALARM AND MASSS NOTIFICATION SYSTEM

DIVISION 31 – EARTHWORK

310000 EARTHWORK

311000 SITE CLEARING

312010 EARTH MOVING FOR STRUCTURES

312316 EXCAVATING

312319 DEWATERING

312500 EROSION AND SEDIMENT POLLUTION CONTROL

316216 STEEL PIPES

DIVISION 32 – EXTERIOR IMPROVEMENTS

320505 SITE DEMOLITION

321200 FLEXIBLE PAVEMENT

321600 CAST-IN-PLACE-CONCRETE FOR SITE IMPROVEMENTS

321614 CONCRETE FORMWORK FOR SITE IMPROVEMENTS

321615 CONTROL AND CONSTRUCTION JOINTS FOR SITE IMPROVEMENTS

321616 CONCRETE REINFORCEMENT IN SITE IMPROVEMENTS

329000 SEEDING

DIVISION 33 – UTILITIES

330000 UTILITY SERVICES

333000 SANITARY SEWERAGE

334000 DRAINAGE AND CONTAINMENT

334200 SITE STORM SEWERAGE SYSTEMS

DIVISION 41 – MATERIAL PROCESSING AND HANDLING EQUIPMENT

TABLE OF CONTENTS TOC-6

412213 BRIDGE CRANE (OPTION NO.4)

Camp Perry, 200th RED HORSE Squadron, Port Clinton, OH

COMMON MOTOR REQUIREMENTS FOR HVAC EQUIPMENT 230513 - 1

SECTION 230513 - COMMON MOTOR REQUIREMENTS FOR HVAC EQUIPMENT

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section includes general requirements for single-phase and polyphase, general-purpose, horizontal, small and medium, squirrel-cage induction motors for use on ac power systems up to 600 V and installed at equipment manufacturer's factory or shipped separately by equipment manufacturer for field installation.

B. Motors, up to 200 Hp, furnished under other Sections, shall be in conformance with the requirements listed in this Section unless otherwise noted.

C. Motors connected to Variable Frequency Drive Controllers shall be inverter duty rated.

D. All motor overloads shall be coordinated with its associated motor starter and/or VFD.

1.3 COORDINATION

A. Coordinate features of motors, installed units, and accessory devices to be compatible with the following:

1. Motor controllers.

2. Torque, speed, and horsepower requirements of the load.

3. Ratings and characteristics of supply circuit and required control sequence.

4. Ambient and environmental conditions of installation location.

1.4 SUBMITTALS

A. Submittal of motor data for acceptance shall include complete nameplate data per NEMA Standard MG1-10.39 and MG1-10.40 and test characteristics in accordance with NEMA Standard MG1-12.55 "Routine Tests for Polyphase Medium Induction Motors" and, in addition, the following for motors typical of the units furnished:

1. Efficiency at 1/2, 3/4 and full load

2. Power factor at 1/2, 3/4 and full load

3. Motor outline, dimensions and weight

4. Descriptive bulletins, including full description of insulation system

5. Bearing design data

6. Special features (i.e., space heaters, temperature detectors, etc.)

COMMON MOTOR REQUIREMENTS FOR HVAC EQUIPMENT 230513 - 2

7. Power factor correction capacitor rating and type.

8. Locked rotor current

9. Brake horsepower

10. An outline drawing or an outline data sheet showing complete motor dimensions shall be submitted to cover every motor rated greater than 1/3 horsepower. Several motors of the same type and rating for the same application may be covered by a single drawing or outline sheet. Drawings or sheets shall bear complete identifying data including frame size, speed, horsepower ratings and application for each particular unit.

11. All motor accessories, heaters, detectors, etc., shall be submitted.

12. Certificates of Compliance:

a. Certified copies of motor characteristic curves and all other data necessary for establishing control and protective equipment settings shall be submitted.

13. Operation and maintenance manuals shall be submitted in accordance with the Detailed Specifications.

1.5 REFERENCE STANDARDS

A. Institute of Electrical and Electronics Engineers (IEEE)

B. National Electrical Manufacturers Association (NEMA)

C. Where reference is made to one of the above standards, the revision in effect at the time of bid opening shall apply.

1.6 QUALITY ASSURANCE

A. Routine tests shall be performed on representative motors, and shall include the information described on NEMA MG1-12.55 "Routine Tests for Polyphase Medium Induction Motors".

Efficiency shall be determined in accordance with IEEE Publication No. 112, Method B. Power factor shall be measured on representative motors.

1.7 SYSTEM DESCRIPTION

A. Motors specified herein are three phase, squirrel cage induction type for 1/2 Hp and above;

single phase for less than 1/2 Hp; or DC motors.

1.8 ACCESSORIES

A. General:

1. Motor accessories shall be provided in accordance with the requirements specified under this section unless otherwise stated in the driven equipment specifications.

2. Cranes, elevators, hoists, and other devices complying with special safety codes shall be furnished complete with their control equipment, and with all accessories and safety devices for approved safe and efficient operation.

COMMON MOTOR REQUIREMENTS FOR HVAC EQUIPMENT 230513 - 3

B. Bearing Temperature Protection:

1. Bearing temperature detectors RTD type similar to the motor winding detectors specified herein, shall be provided on each bearing for horizontal motors and on the thrust bearing for vertical motors.

C. Single Phase Motors: Single phase motors requiring auxiliary starting resistors, capacitors or reactors and switching devices shall be furnished as combination units with such auxiliaries either incorporated within motor housings or housed in suitable enclosures, mounted upon motor frames. Each combination unit shall be mounted upon a single base and shall be provided with a single conduit box.

1.9 PAINTING

A. External Surfaces:

1. All severe duty motors shall have all external surfaces pretreated, primed and painted.

External surfaces shall be pretreated so the surface is clean and free of contaminants.

After pretreatment, the surface shall be primed with an oxide primer and then spray painted with a minimum of .003 inch thick epoxy polyamide and semi-gloss coating that is chemical, solvent, salt water, and acid resistant.

2. All other motors shall have external surfaces pretreated, primed and painted in accordance with the manufacturer’s standard treatment.

B. Internal Surfaces:

1. All severe duty motors shall have all internal surfaces pretreated, primed and painted.

Internal surfaces shall be pretreated so the surface is clean and free of contaminants.

After pretreatment, the surface shall be primed with an oxide primer and then painted with an epoxy paint. Machined joints and threaded parts shall be coated with rust inhibiting compound.

2. All other motors shall have internal surfaces pretreated and primed in accordance with the manufacturer’s standard treatment.

C. Other Surfaces:

1. All machined bolts and screws and other hardware shall be of the hex head type and shall be zinc plated. Stainless steel hardware shall be used on severe duty motors.

1.10 SPARE PARTS

A. The Contractor shall furnish and deliver to the Engineer, at that part of the site and at such time as the Engineer may direct, spare parts for the electric motors in accordance with the Specifications.

B. The spare parts shall be listed in an index and packed in containers suitable for long term storage, bearing labels clearly designating the manufacturer’s part number with complete information for use and reordering.

COMMON MOTOR REQUIREMENTS FOR HVAC EQUIPMENT 230513 - 4

1. Lubricants: The Contractor shall furnish as part of the bulk lubricant order the quantity of lubricants required to operate and maintain the motors furnished under this section for a period of one year after acceptance. As a minimum, there shall be provided sufficient oil and grease to make a least one lubricant change for each motor as applicable. Replace all lubricants used during startup and testing prior to acceptance of equipment. Furnish this replacement lubricant in addition to the lubricants included in the bulk order.

1.11 DELIVERY, STORAGE AND HANDLING

A. Electric motors shall be delivered, stored and handled in accordance with the Detailed Specifications, the motor manufacturers instructions and the following:

1. Motors shall be inspected for shipping damage when received.

2. All sleeve or oil lubricated bearings motors shall be identified and the bearing reservoirs filled to normal level.

a. Motors shall be handled using motor base lifting lugs. Avoid pounding or bumping of motor which may damage motor. A hoist and spreader bar arrangement shall be used to avoid damage.

b. Motors shall be stored indoors in clean, dry heated areas.

c. Motor space heaters shall be energized to prevent moisture condensation throughout the storage and construction period.

B. Motors shall not be stored in areas subject to continuous vibration. A small quantity of grease shall be injected into each bearing on a monthly basis. Purged grease shall be inspected for water or rust. Motor shaft shall be rotated by hand to check for binding.

PART 2 - PRODUCTS

2.1 GENERAL MOTOR REQUIREMENTS

A. RATING

1. Each motor shall develop ample torque for its required service throughout its acceleration range at a voltage 10 percent below nameplate rating. Where shown on the Electrical Drawings to be operated on a reduced voltage starter, the motor shall develop ample torque under the conditions imposed by the reduced voltage starting method. The motor shall not be required to deliver more than its rated nameplate horsepower, at unity (1.0) service factor, under any condition of mechanical or hydraulic loading. All motors shall be continuous time rated suitable for operation in a 40 degrees C ambient unless noted otherwise. Specific motor data such as Hp, rpm, enclosure type, etc, is specified under the specification for the equipment with which the motor is supplied.

B. ENCLOSURE TYPES

1. Motors specified herein shall conform to one of the following standard enclosure designs:

a. Open Drip Proof

COMMON MOTOR REQUIREMENTS FOR HVAC EQUIPMENT 230513 - 5

b. Totally Enclosed Fan Cooled (TEFC)

c. Totally Enclosed Non-Ventilated (TENV)

d. Explosion Proof

e. Severe Duty

f. Inverter Duty

C. NAMEPLATES

1. The motor manufacturer's nameplates shall be engraved or embossed on stainless steel and fastened to the motor frame with stainless steel screws or drive pins. Nameplates shall indicate clearly all of the items of information enumerated in NEMA Standard MG1- Part10 or MG1- Part 20, as applicable.

2.2 MOTOR CHARACTERISTICS

A. Duty: Continuous duty at ambient temperature of 40 deg C and at altitude of 3300 feet above sea level.

B. Capacity and Torque Characteristics: Sufficient to start, accelerate, and operate connected loads at designated speeds, at installed altitude and environment, with indicated operating sequence, and without exceeding nameplate ratings or considering service factor.

2.3 THREE PHASE MOTORS-FRAMES 143T THROUGH 449T

A. General

1. Unless otherwise specified, motors 1/2 Hp and larger shall be 3 Phase, squirrel cage induction type.

2. All motors 3/4 Hp and larger shall be a NEMA frame 143T or larger. 1/2 Hp motors and 3/4 Hp motors rated 1800 and 3600 rpm, shall be a 56 frame. Motors shall be designed and connected for operation on a 480 Volt, 3 Phase, 60 Hz alternating current system.

Dual voltage (230/460) rated motors are acceptable.

3. Unless otherwise required by the load, all motors shall be NEMA Design B, normal starting torque. Locked rotor kVA/Hp shall not exceed Code Letter G as described in NEMA Standard MG1-10.37 for motors 20 Hp and larger.

4. Motors connected to variable frequency drives shall be inverter duty rated.

5. Motors shall be by U.S. Electrical Motors, Division of Emerson Electric Co., or equal.

B. Bearings

1. Anti-friction motor bearings shall be designed to be regreasable and initially shall be filled with grease suitable to ambient temperature of 40 degrees C. Bearings shall be ABMA Types BC or RN, heavy duty, or shall otherwise be shown to be suitable for the intended application in terms of B-10 rating life, Class M3 or better.

2. All grease lubricated bearings, except those specified to be factory sealed and lubricated, shall be fitted with easily accessible grease supply, flush, drain and relief fittings.

Extension tubes shall be used when necessary. Grease supply fittings shall be standard hydraulic type by the Alemite Division of the Stewart-Warner Corporation.

COMMON MOTOR REQUIREMENTS FOR HVAC EQUIPMENT 230513 - 6

C. Insulation

1. Insulation systems shall be Class F, operated at Class B temperature rise and shall be manufacturer's premium grade, resistant to attack by moisture, acids, alkalies and mechanical or thermal shock for 480 Volt motors. Provide 80 degree C, Class B rise or better by resistance at 100 percent load and provide a Class F insulation system, suitable for an ambient temperature motor operation of 0 to 40 degree C at no more than 3300 feet above sea level for medium voltage motors. This temperature rise shall be met when motors are operated and controlled with the VFD(s). The motor insulation system shall have full capability to handle the common mode voltage conditions imposed by the VFD.

2. Motors for outdoor service shall have vacuum/pressure impregnated epoxy insulation for moisture resistance.

3. Insulation for inverter duty motor windings shall meet or exceed the Pulse Endurance Index for magnetic wire and shall not be injured when exposed to repeated pulse type waveforms, repetitive high voltage transients, switching frequency and rate of rise of the pulse. Class H varnish shall be used.

D. Enclosures

1. Motors shall have a steel or cast iron frame and a cast iron conduit box, as specified below. Conduit box shall be split from top to bottom and shall be capable of being rotated to four positions. Synthetic rubber-like gaskets shall be provided between the frame and the conduit box and between the conduit box and its cover. Motor leads shall be sealed with a non-wicking, non-hygroscopic insulating material. A frame mounted pad with drilled and tapped hole, not less than 1/4-in diameter, shall be provided inside the conduit box for motor frame grounding.

2. Totally enclosed fan cooled: TEFC motors shall have a steel or cast iron frame, cast iron end brackets, cast iron conduit box, 1.15 service factor at 40 degrees C, tapped drain holes (corrosion resistant plugs for frames 286T and smaller and automatic breather/drain devices for frames 324T and larger) and upgraded insulation by additional dips and bakes to increase moisture resistance.

3. Totally enclosed non-ventilated: TENV motors shall include the same rating and accessories as specified for TEFC motors.

4. Explosion proof: Explosion proof motors shall have a cast iron frame, cast iron end brackets, cast iron conduit box, 1.15 service factor at 40 degrees C, tapped drain holes (corrosion resistant plugs for frames 286T and smaller and automatic breather/drain devices for frames 324T and larger) and be UL listed for Class 1, Div. 1, Group D hazardous areas.

5. Severe duty: Motors shall be of the corrosion resistant type conforming to motors designated by the manufacturer as "Corro-Duty", "Mill and Chemical", "Custom Severe Duty", or similar quality designation. Severe duty motors shall have a cast iron frame, cast iron end brackets, cast iron conduit box and 1.15 service factor at [40] degrees C and tapped drain holes (corrosion resistant plug for frames 286T and smaller and automatic breather/drain devices for frames 324T and larger).

E. Inverter Duty Rated Motors

1. Inverter duty rated: Motors for operation on variable frequency drives shall meet current power quality levels published in NEMA MG1, Part 31. Consideration shall be given to the primary factors of the variable frequency drive such as the modulation scheme (six-step, PWM, etc), the switching or carrier frequency and the type of power output devices

COMMON MOTOR REQUIREMENTS FOR HVAC EQUIPMENT 230513 - 7

utilized (IGBT etc). Consideration shall also be given to the installation methods such as output cable length, cable installation method, installation of output filters, etc.

Enclosures shall be equal to those furnished for severe duty or explosion proof motors.

Motor non- drive end bearings shall be insulated. Internal service factor shall be 1.0 that of the nameplate. Unless otherwise noted provide enclosures suitable for “severe duty”.

Motors shall be furnished with an internal thermal switch. Ventilation system shall be designed for maximum heat transfer. Stator laminations shall be stagger-stacked and stamped from high grade electrical steel to minimize eddy-current losses and heat build-up caused by inverter induced harmonics. Rotors shall be configured to minimize skin-effect heating.

F. Motor Efficiencies

1. Three phase motors rated 1 Hp and larger shall be of the premium efficiency type. Motors shall have a NEMA Nominal Efficiency not less than the values indicated below.

Efficiency values shall be based on tests performed in accordance with IEEE Publication No. 112, Method B. Motors with horsepower or rpm's not listed shall conform to comparable standards of construction and materials as those for listed motors.

2. Where State Energy Codes or Utility Company Energy Rebate Programs dictate higher efficiencies than those listed, the higher efficiency motors shall be furnished.

COMMON MOTOR REQUIREMENTS FOR HVAC EQUIPMENT 230513 - 8

3600 RPM

Minimum

OPEN MOTORS

1800 RPM

Minimum

1200 RPM

Minimum

900 RPM

Minimum

Hp Nominal

Efficiency Nominal

Efficiency Nominal Efficiency

Nominal Efficiency

1.0 -- 85.5 82.5 --

1.5 85.5 86.5 86.5 --

2.0 86.5 86.5 87.5 --

3.0 86.5 89.5 89.5 --

5.0 89.5 89.5 89.5 --

7.5 89.5 91.0 91.7 --

10.0 90.2 91.7 91.7 --

15.0 91.0 93.0 92.4 --

20.0 92.4 93.0 92.4 92.4

25.0 93.0 93.6 93.0 92.4

30.0 93.0 94.1 93.6 93.6

40.0 93.6 94.1 94.1 93.6

50.0 93.6 94.5 94.1 93.6

60.0 94.1 95 95.0 94.1

75.0 94.5 95 95.0 94.5

100.0 94.5 95.4 95.0 95.0

125.0 95.0 95.4 95.4 95.0

150.0 95.4 95.8 95.8 95.0 200 95.4 95.8 95.4 95.4

COMMON MOTOR REQUIREMENTS FOR HVAC EQUIPMENT 230513 - 9

ENCLOSED MOTORS

Hp

3600 RPM

Minimum Nominal

Efficiency

1800 RPM

Minimum Nominal

Efficiency

1200 RPM

Minimum Nominal

Efficiency

900 RPM

Minimum Nominal

Efficiency

1.0 80.4 85.5 82.5 83.5

1.5 85.5 86.5 87.5 84.9

2.0 86.5 86.5 88.5 85.5

3.0 88.5 89.5 89.5 85.7

5.0 89.5 89.5 89.5 89.9

7.5 91 91.7 91.7 90.6

10.0 91.7 91.7 91.7 90.3

15.0 91.7 92.4 92.4 90.7

20.0 92.4 93.0 92.4 91.6

25.0 93.0 93.6 93.0 91.8

30.0 93.0 93.6 93.6 92.7

40.0 93.6 94.1 94.1 93.0

50.0 94.1 94.5 94.1 93.4

60.0 94.1 95.0 94.5 93.3

75.0 94.5 95.4 95.0 94.5

100.0 95.0 95.4 95.4 94.7

125.0 95.4 95.4 95.4 95.1

2.4 SINGLE-PHASE MOTORS

A. Unless otherwise specified, motors smaller than 1/2 Hp shall be single phase, capacitor start.

Small fan motors may be split-phase or shaded pole type if such are standard for the equipment.

Wound rotor or commutator type single-phase motors are not acceptable unless their specific characteristics are necessary for the application.

B. Motors shall be rated for operation at 115 Volts, single phase, 60 Hz.

C. Locked rotor current shall not be greater than specified in NEMA Standard MGI-12.37, Design "N".

D. Motors shall be totally-enclosed in conformance with NEMA Standards. Small fan motors may be open type if suitably protected from moisture, dripping water and lint accumulation.

E. Motors shall be provided with sealed ball bearings lubricated for 10 years normal use.

COMMON MOTOR REQUIREMENTS FOR HVAC EQUIPMENT 230513 - 10

F. Multispeed Motors: Variable-torque, permanent-split-capacitor type.

G. Bearings: Pre-lubricated, antifriction ball bearings or sleeve bearings suitable for radial and thrust loading.

H. Motors 1/20 HP and Smaller: Shaded-pole type.

I. Thermal Protection: Internal protection to automatically open power supply circuit to motor when winding temperature exceeds a safe value calibrated to temperature rating of motor insulation. Thermal-protection device shall automatically reset when motor temperature returns to normal range.

PART 3 - EXECUTION

3.1 INSTALLATION

A. Motors shall be installed in accordance with manufacturer’s instructions and recommendations.

B. Each motor shall be carefully and properlyaligned with the driven equipment.

C. Equipment shall be secured to mounting surface with anchor bolts. Anchor bolts shall be provided meeting manufacturer’s recommendations and of sufficient size and number to secure equipment.

D. Motor nameplates shall be installed for identification of equipment. Nameplates shall be provided in accordance with the requirements of Specification 230553- Piping and Equipment Identification.

END OF SECTION 230513

EXPANSION FITTINGS AND LOOPS FOR HVAC PIPING 230516 - 1

SECTION 230516 - EXPANSION FITTINGS AND LOOPS FOR HVAC PIPING

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section Includes:

1. Packless expansion loops.

2. Alignment guides and anchors.

1.3 ACTION SUBMITTALS

A. Product Data: For each type of product.

B. Delegated-Design Submittal: For each anchor and alignment guide, including analysis data, signed and sealed by the qualified professional engineer responsible for their preparation.

1. Design Calculations: Calculate requirements for thermal expansion of piping systems and for selecting and designing expansion loops, and swing connections.

2. Anchor Details: Detail fabrication of each anchor indicated. Show dimensions and methods of assembly and attachment to building structure.

3. Alignment Guide Details: Detail field assembly and attachment to building structure.

4. Schedule: Indicate type, manufacturer's number, size, material, pressure rating, end connections, and location for each expansion joint.

1.4 INFORMATIONAL SUBMITTALS

A. Welding certificates.

1.5 CLOSEOUT SUBMITTALS

A. Maintenance Data: For expansion loops to include in maintenance manuals.

1.6 QUALITY ASSURANCE

A. Welding Qualifications: Qualify procedures and personnel according to AWS D1.1/D1.1M, "Structural Welding Code - Steel."

EXPANSION FITTINGS AND LOOPS FOR HVAC PIPING 230516 - 2

B. Pipe and Pressure-Vessel Welding Qualifications: Qualify procedures and operators according to ASME Boiler and Pressure Vessel Code.

PART 2 - PRODUCTS

2.1 PERFORMANCE REQUIREMENTS

A. Compatibility: Products shall be suitable for piping service fluids, materials, working pressures, and temperatures.

B. Capability: Products to absorb 200 percent of maximum axial movement between anchors.

2.2 PACKLESS EXPANSION LOOPS

A. Flexible-Hose Packless Expansion Loops

1. Description: Manufactured assembly with inlet and outlet elbow fittings and two flexible-metal-hose legs joined by long-radius, 180-degree return bend or center section of flexible hose.

2. Flexible Hose: Corrugated-metal inner hoses and braided outer sheaths.

3. Expansion loops for Copper Tubing NPS 2 and Smaller: Copper-alloy fittings with solder-joint end connections.

a. Bronze hoses and single-braid bronze sheaths with 450 psig at 70 deg F and 340 psig at 450 deg F ratings.

b. Bronze hoses and double-braid bronze sheaths with 700 psig at 70 deg F and 500 psig at 450 deg F ratings.

4. Expansion Loops for Copper Tubing NPS 2-1/2 to NPS 4: Copper-alloy fittings with threaded end connections.

a. Stainless-steel hoses and single-braid, stainless-steel sheaths with 300 psig at 70 deg F and 225 psig at 450 deg F ratings.

b. Stainless-steel hoses and double-braid, stainless-steel sheaths with 420 psig at 70 deg F and 315 psig at 450 deg F ratings.

2.3 ALIGNMENT GUIDES AND ANCHORS

A. Alignment Guides AG-01:

1. Description: Steel, factory-fabricated alignment guide, with bolted two-section outer cylinder and base for attaching to structure; with two-section guiding slider for bolting to pipe.

B. Anchor Materials:

1. Steel Shapes and Plates: ASTM A36/A36M.

2. Bolts and Nuts: ASME B18.10 or ASTM A183, steel hex head.

EXPANSION FITTINGS AND LOOPS FOR HVAC PIPING 230516 - 3

3. Washers: ASTM F844, steel, plain, flat washers.

4. Mechanical Fasteners: Insert-wedge-type stud with expansion plug anchor for use in hardened portland cement concrete, with tension and shear capacities appropriate for application.

a. Stud: Threaded, zinc-coated carbon steel.

b. Expansion Plug: Zinc-coated steel.

c. Washer and Nut: Zinc-coated steel.

5. Chemical Fasteners: Insert-type stud, bonding-system anchor for use with hardened portland cement concrete, with tension and shear capacities appropriate for application.

a. Bonding Material: ASTM C881/C881M, Type IV, Grade 3, two-component epoxy resin suitable for surface temperature of hardened concrete where fastener is to be installed.

b. Stud: ASTM A307, zinc-coated carbon steel with continuous thread on stud, unless otherwise indicated.

c. Washer and Nut: Zinc-coated steel.

PART 3 - EXECUTION

3.1 INSTALLATION OF PIPE LOOPS AND SWING CONNECTIONS

A. Install pipe loops cold-sprung in tension or compression as required to partly absorb tension or compression produced during anticipated change in temperature.

B. Connect risers and branch connections to mains with at least five pipe fittings, including tee in main.

C. Connect risers and branch connections to terminal units with at least four pipe fittings, including tee in riser.

D. Connect mains and branch connections to terminal units with at least four pipe fittings, including tee in main.

3.2 INSTALLATION OF ALIGNMENT GUIDES AND ANCHORS

A. Install alignment guides to guide expansion and to avoid end-loading and torsional stress.

B. Install two guide(s) on each side of pipe expansion fittings and loops. Install guides nearest to expansion joint not more than four pipe diameters from expansion joint.

C. Attach guides to pipe, and secure guides to building structure.

D. Install anchors at locations to prevent stresses from exceeding those permitted by ASME B31.9 and to prevent transfer of loading and stresses to connected equipment.

E. Anchor Attachments:

EXPANSION FITTINGS AND LOOPS FOR HVAC PIPING 230516 - 4

1. Anchor Attachment to Copper Tubing: Attach with pipe hangers. Use MSS SP-69, Type 24; U bolts bolted to anchor.

F. Fabricate and install steel anchors by welding steel shapes, plates, and bars. Comply with ASME B31.9 and AWS D1.1/D1.1M.

1. Anchor Attachment to Steel Structural Members: Attach by welding.

2. Anchor Attachment to Concrete Structural Members: Attach by fasteners. Follow fastener manufacturer's written instructions.

G. Use grout to form flat bearing surfaces for guides and anchors attached to concrete.

END OF SECTION 230516

METERS AND GAUGES FOR HVAC PIPING 230519 - 1

SECTION 230519 - METERS AND GAUGES FOR HVAC PIPING

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section Includes:

1. Bimetallic-actuated thermometers.

2. Thermowells.

3. Dial-type pressure gages.

4. Gage attachments.

5. Test plugs.

1.3 ACTION SUBMITTALS

A. Product Data: For each type of product.

B. Shop Drawings:

1. Include diagrams for power, signal, and control wiring.

1.4 INFORMATIONAL SUBMITTALS

A. Product Certificates: For each type of meter and gage.

1.5 CLOSEOUT SUBMITTALS

A. Operation and Maintenance Data: For meters and gages to include in operation and maintenance manuals.

PART 2 - PRODUCTS

2.1 BIMETALLIC-ACTUATED THERMOMETERS

A. Standard: ASME B40.200.

B. Case: Liquid-filled and sealed type(s); stainless steel with 5-inch nominal diameter.

METERS AND GAUGES FOR HVAC PIPING 230519 - 2

C. Dial: Nonreflective aluminum with permanently etched scale markings and scales in deg F.

D. Connector Type(s): Union joint, adjustable angle rigid back and rigid bottom, with unified-inch screw threads.

E. Connector Size: 1/2 inch, with ASME B1.1 screw threads.

F. Stem: 0.25 or 0.375 inch in diameter; stainless steel.

G. Window: Plain glass.

H. Ring: Stainless steel.

I. Element: Bimetal coil.

J. Pointer: Dark-colored metal.

K. Accuracy: Plus or minus 1 percent of scale range.

2.2 THERMOWELLS

A. Thermowells:

1. Standard: ASME B40.200.

2. Description: Pressure-tight, socket-type fitting made for insertion in piping tee fitting.

3. Material for Use with Copper Tubing: CNR or CUNI.

4. Type: Stepped shank unless straight or tapered shank is indicated.

5. External Threads: NPS 1/2, NPS 3/4, or NPS 1, ASME B1.20.1 pipe threads.

6. Internal Threads: 1/2, 3/4, and 1 inch, with ASME B1.1 screw threads.

7. Bore: Diameter required to match thermometer bulb or stem.

8. Insertion Length: Length required to match thermometer bulb or stem.

9. Lagging Extension: Include on thermowells for insulated piping and tubing.

10. Bushings: For converting size of thermowell's internal screw thread to size of thermometer connection.

B. Heat-Transfer Medium: Mixture of graphite and glycerin.

2.3 DIAL-TYPE PRESSURE GAGES

A. Direct-Mounted, Metal-Case, Dial-Type Pressure Gages:

1. Standard: ASME B40.100.

2. Case: Liquid-filled, Solid-front, pressure relief type(s); cast aluminum or drawn steel; 4-

1/2-inch nominal diameter.

3. Pressure-Element Assembly: Bourdon tube unless otherwise indicated.

4. Pressure Connection: Brass, with NPS 1/4 or NPS 1/2, ASME B1.20.1 pipe threads and bottom-outlet type unless back-outlet type is indicated.

5. Movement: Mechanical, with link to pressure element and connection to pointer.

6. Dial: Nonreflective aluminum with permanently etched scale markings graduated in psi.

METERS AND GAUGES FOR HVAC PIPING 230519 - 3

7. Pointer: Dark-colored metal.

8. Window: Glass.

9. Ring: Stainless steel.

10. Accuracy: Grade A, plus or minus 1 percent of middle half of scale range.

2.4 GAGE ATTACHMENTS

A. Snubbers: ASME B40.100, brass; with NPS 1/4 or NPS 1/2, ASME B1.20.1 pipe threads and porous-metal-type surge-dampening device. Include extension for use on insulated piping.

B. Valves: Brass or stainless-steel needle, with NPS 1/4 or NPS 1/2, ASME B1.20.1 pipe threads.

2.5 TEST PLUGS

A. Description: Test-station fitting made for insertion in piping tee fitting.

B. Body: Brass or stainless steel with core inserts and gasketed and threaded cap. Include extended stem on units to be installed in insulated piping.

C. Thread Size: NPS 1/4 or NPS 1/2, ASME B1.20.1 pipe thread.

D. Minimum Pressure and Temperature Rating: 500 psig at 200 deg F.

E. Core Inserts: Chlorosulfonated polyethylene synthetic and EPDM self-sealing rubber.

PART 3 - EXECUTION

3.1 INSTALLATION

A. Install thermowells with socket extending one-third of pipe diameter and in vertical position in piping tees.

B. Install thermowells of sizes required to match thermometer connectors. Include bushings if required to match sizes.

C. Install thermowells with extension on insulated piping.

D. Fill thermowells with heat-transfer medium.

E. Install direct-mounted thermometers in thermowells and adjust vertical and tilted positions.

F. Install direct-mounted pressure gages in piping tees with pressure gage located on pipe at the most readable position.

G. Install valve and snubber in piping for each pressure gage for fluids (except steam).

H. Install test plugs in piping tees.

METERS AND GAUGES FOR HVAC PIPING 230519 - 4

I. Install permanent indicators on walls or brackets in accessible and readable positions.

J. Install thermometers in the following locations:

1. Inlet and outlet of each hydronic zone.

2. Inlet and outlet of each hydronic boiler.

3. Inlet and outlet of each hydronic coil in air-handling units.

K. Install pressure gages in the following locations:

1. Discharge of each pressure-reducing valve.

2. Inlet and outlet of each chiller chilled-water and condenser-water connection.

3. Suction and discharge of each pump.

3.2 CONNECTIONS

A. Install meters and gages adjacent to machines and equipment to allow space for service and maintenance of meters, gages, machines, and equipment.

3.3 ADJUSTING

A. Adjust faces of meters and gages to proper angle for best visibility.

3.4 THERMOMETER SCHEDULE

A. Thermometers at inlet and outlet of each hydronic zone shall be the following:

1. Liquid-filled and Sealed, bimetallic-actuated type.

B. Thermometers at inlet and outlet of each hydronic boiler shall be the following:

1. Liquid-filled and Sealed, bimetallic-actuated type.

C. Thermometers at inlet and outlet of each hydronic coil in air-handling units and built-up central systems shall be the following:

1. Liquid-filled and Sealed, bimetallic-actuated type.

D. Thermometer stems shall be of length to match thermowell insertion length.

3.5 THERMOMETER SCALE-RANGE SCHEDULE

A. Scale Range for Heating, Hot-Water Piping: 50 to 400 deg F.

3.6 PRESSURE-GAGE SCHEDULE

A. Pressure gages at discharge of each pressure-reducing valve shall be the following:

METERS AND GAUGES FOR HVAC PIPING 230519 - 5

1. Liquid-filled, Solid-front, pressure-relief, direct-mounted, metal case.

B. Pressure gages at suction and discharge of each pump shall be the following:

1. Liquid-filled, Solid-front, pressure-relief, direct-mounted, metal case.

3.7 PRESSURE-GAGE SCALE-RANGE SCHEDULE

A. Scale Range for Heating, Hot-Water Piping: 0 to 30 psi.

END OF SECTION 230519

GENERAL-DUTY VALVES FOR HVAC PIPING 230523 - 1

SECTION 230523 - GENERAL-DUTY VALVES FOR HVAC PIPING

PART 1 -GENERAL

1.1 SECTION INCLUDES

A. The Contractor shall furnish, install, connect, test, and place into satisfactory operating condition all valves as indicated on the Contract Drawings and as specified herein.

1. 2 RELATED SPECIFICATIONS

A. Specification 230553 – Identification for HVAC Piping and Equipment.

B. Specification 232113 – Hydronic piping.

C. Specification 232116 – Hydronic Piping Specialties.

1.3 REFERENCES

A. Products and construction shall be in accordance with the following standards and specifications unless otherwise noted in this document. In case of conflict, the standard with more stringent requirements shall apply.

1. American National Standard Institute (ANSI).

2. American Society of Mechanical Engineers (ASME).

3. American Society of Testing and Material (ASTM).

4. American Water Works Association (AWWA).

5. American Welding Society (AWS).

1.4 SUBMITTALS

A. General:

In accordance with the procedures and requirements set forth in the General Conditions and Division 01, the Contractor shall obtain from the valve manufacturer and submit the following data:

1. Shop Drawings.

2. Operation and Maintenance Manuals.

3. Spare Parts Lists.

4. Special Tool List.

5. Certified Shop Tests.

6. Certified Letters of Compliance.

7. Maintenance and Lubrication Schedule.

Each submittal shall be identified where applicable by the Equipment Identification Number listed in the schedules or Specification Section and Paragraph Number.

GENERAL-DUTY VALVES FOR HVAC PIPING 230523 - 2

B. Shop Drawings:

Each submittal shall be complete in all aspects incorporating all information and data listed herein and all additional information required to evaluate the proposed valve's compliance with the Contract Documents. Partial or incomplete submissions shall be returned to the Contractor disapproved without review.

Data to be submitted shall include but not be limited to:

1. Catalog Data consisting of specifications, illustrations and a parts schedule that identifies the materials to be used for the various parts and accessories. The illustrations shall be in sufficient detail to serve as a guide for assembly and disassembly.

2. Complete assembly, and installation drawings with clearly marked dimensions. This information shall be in sufficient detail to serve as a guide for assembly and disassembly and for ordering parts.

3. Assembled weight.

4. Design calculations.

5. Listing of all lubricants required for the equipment with a minimum of four equivalent and compatible natural and/or synthetic lubricants produced by different manufacturers. The listing shall include the estimated quality of lubricant required for one year of operation.

6. Sample data sheet of equipment nameplate(s) including information contained thereon.

7. Spare parts list.

8. Special tools list.

C. Operation and Maintenance Manuals:

1. The Contractor shall submit operation and maintenance manuals in accordance the procedures and requirements set forth in the General Conditions and Division 1.

2. Individual O&M manuals shall be required for cylinder activated valves. For all other valves, the O&M information shall be grouped into two manuals, one for all valves 3 inches in size and larger, and one for all valves less than 3 inches in size.

D. Certified Tests Results:

1. Contractor shall obtain from the manufacturer and submit to the Engineer copies of the results of all certified shop tests.

E. Certified Letters of Compliance:

1. The Contractor shall obtain from the manufacturer and submit to the Engineer copies of certified letters of compliance.

F. Comprehensive Lubrication Survey:

1. The Contractor shall submit a comprehensive lubrication survey.

1.5 QUALITY ASSURANCE AND QUALIFICATIONS

GENERAL-DUTY VALVES FOR HVAC PIPING 230523 - 3

A. General:

1. The equipment covered by these specifications is intended to be standard equipment of proven performance as manufactured by reputable concerns. Equipment shall be designed, constructed and installed in accordance with the best practice of the trade, and shall operate satisfactorily when installed as shown on the Contract Drawings.

PART 2 - PRODUCTS

2.1 VALVES

A. General:

1. The valves and accessories shall be in the quantity, quality, types, and sizes as indicated on the Contract Drawings and specified herein.

2. Construction:

a. All valves shall have a minimum design pressure rating of 150 psi and capable of a test pressure of 300 psi. Valves above grade shall have flanged or threaded ends.

Buried service valves shall have mechanical joint pipe ends.

3. Operation:

a. Cast iron parts of valves shall meet the requirements of ASTM Designation A126, "Standard Specifications for Gray Iron Castings for Valves, Flanges and Pipe Fittings, Class 'B' “. Flanged ends shall be flat-faced and have bolt circle and bolt patterns conforming to ANSI B16.1 Class 125 unless otherwise specified hereinafter. All castings shall be clean and sound, without defects of any kind and no plugging, welding or repairing of defects will be permitted. All bolt heads and nuts shall be hexagonal conforming to ANSI B18.2. The materials for the nuts, bolts, and washers shall conform to the specifications for the connecting piping. Gaskets shall be full face and made of natural or synthetic elastomers in conformance with ANSI B16.21 suitable for the service characteristics especially chemical compatibility and temperature. Non-ferrous alloys of various types shall be used for parts of valves as specified. Where no definite specification is given, the material shall be the best for that particular application.

b. Operation of valves and gates shall be designed so that the effort required to operate the handwheel, lever or chain shall not exceed 40 pounds applied at the extremity of the wheel or lever. The handwheels on valves 14 inches and smaller shall not be less than 8 inches in diameter, and on valves larger than 14 inches the handwheel shall not be less than 12 inches in diameter.

c. Except where noted otherwise, all interior and exposed valves shall be handwheel or lever operated if the centerline of the valve operator is within 6 feet of the floor or platform from which it is to be operated, and chain wheel operated if the vertical distance is greater than 6 feet unless otherwise shown on the Contract Drawings. Chains shall extend to within 3 feet from the operating floor.

e. All operators, unless otherwise specified, shall turn counter-clock- wise to open.

Operators shall have the open direction clearly and permanently marked. All valve operators, manual and pneumatic, shall be provided with the valve by the valve manufacturer. The Contractor through the valve manufacturer shall be

GENERAL-DUTY VALVES FOR HVAC PIPING 230523 - 4

solely responsible for the selection of the proper operator to meet the operating conditions specified herein. Field calibration and testing of the operators and valves to ensure a proper installation and an operating system shall be the responsibility of the Contractor.

f. Levers shall be provided at each lever operated valve.

g. All valves for which status indication is required according to the instrumentation drawings and specifications, shall be provided with factory-mounted, standard design integral end switches in NEMA 4X enclosures.

D. Specialties:

1. Valve identification tags shall be provided in accordance with Specification 15076 for all valves.

2. All valves shall have applied to them the same coatings as the adjacent piping.

E. Raised Face Flanges:

1. All raised face flanges in conformance with ANSI B16.5 Class 150 shall milled flat.

F. Special Tools:

1. The Contractor shall furnish 10 sets of special tools listed on the comprehensive list.

2.3 SMALL GATE VALVES

A. Shall be bronze, rising stem, screwed bonnet, solid wedge gate valve with threaded end connections conforming to Federal Specifications WW-V-54 Class B Type 11 for nominal pipe sizes up to 2-1/2 inches.

B. Shall be nominal Class 150.

D. Hot water service valves shall be designed for 250 degrees F service.

E. Stainless steel gate valves shall be 316 stainless steel

2.4 PLUG VALVES

A. General:

1. Shall be of the non-lubricated, eccentric plug type with elastomer faced plugs.The construction of the valve shall require the opening movement of the valve to cause the plug to rise off the seat contact rather than sliding from its seat.

2. Shall have minimum port area of 85 percent for nominal pipe sizes 4 inch and larger.

3. Shall be provided with limit stops and rotate 90 degrees from fully open to fully closed.

4. Shall be capable of providing shut-off up to the full working pressure rating in either direction.

GENERAL-DUTY VALVES FOR HVAC PIPING 230523 - 5

5. Shall be rated for 175 psi pressure.

6. Shall be bolted bonnet design.

7. Shall, for interior and exposed service with nominal pipe sizes 6 inch and less, be provided with lever operators.

8. Shall for interior and exposed service with nominal pipe sizes 8 inch and larger, be provided with totally enclosed worm gear actuators. The actuators shall be properly sized to suit the maximum differential across the valve.

9. All exposed nuts, bolts, springs, washers, etc. shall be corrosion resistant material.

10. Shall have the standard face to face dimensions of AWWA gate valves with flanged end connection.

B. Valve Body:

1. Shall be ASTM A126 Grade B cast iron.

C. Valve Plug:

1. Shall be ASTM A126 Grade B cast iron or ductile iron A536 Class 65 covered with Buna -N or nitrile for general service. For natural gas service, the covering shall be

HYCAR.

D. Valve Seats:

1. Shall be corrosion resistant consisting of a welded in overlay of 90 percent pure nickel or stainless steel mechanically attached to the valve body.

E. Valve Bearings:

1. Shall be replaceable type 316 series stainless steel for both the upper and lower journals or of phenolic backed or fiberglass backed worn Teflon bearings to prevent debris from entering journals.

F. Shaft Seals:

1. Shall be multiple ring V-type Buna-N packing. The stuffing box shall be designed to allow the packing to be adjusted and replaced when the valve is in service.

G. Gear Actuators:

1. Shall be totally enclosed worm gear type.

2. Shall have permanently lubricated bearings.

3. Shall be designed to handle the seating and unseating torque at the specified handwheel pull for applications with the maximum pressure differential in either direction.

4. Shall be equipped with a handwheel for interior and exposed service.

5. Shall clearly indicate valve position with an adjustable stop to set closing.

H. Isolation loop piping system shall be provided with all 316 stainless steel eccentric plug valves for balancing

2.5 DRAIN VALVES

GENERAL-DUTY VALVES FOR HVAC PIPING 230523 - 6

A. The drain valves shall be ball-type, 90 degree turn lever operated with threaded ends and hose adapter. Ball valves shall be rated for a minimum working pressure of 150 psig. Ball valves shall be of bronze construction with seat and seal materials suitable for hot water service.

B. Stainless steel drain valves shall be 316 stainless steel

2.6 BALANCING VALVES 12 INCHES AND SMALLER

A. Valves shall be constructed for 175 lbs. working pressure at 250 degrees F, with threaded or flanged ends. All valves up to 3 inch pipe size to be of bronze body/brass ball construction with glass and carbon filled TFE seat rings. Valves 4 inches and larger shall be fitted with bronze seat, replaceable bronze disc with EPOM seal insert and stainless steel stem. Valves to have differential pressure read-out ports across valve seat area. Read-out ports to be fitted with the internal EPT inserts and check valves. Valve bodies to have 1/4 inch NPT tapped drain/purge port. Valves to have memory stop feature to allow valve to be closed for service and then reopened to set point without disturbing balance position. All valves to have calibrated name plates to assure specific valve settings. Valves to be leak tight at full rated working pressure. All valves to be provided with molded insulation to permit access for balance and read-out.

2.7 GLOBE VALVES LESS THAN 3 INCHES

A. Valves shall be of brass, rising stem, with threaded ends and composition discs, and shall be constructed for 150 lbs. W.S.P. The discs shall be suitable for use with hot water up to 300 degrees F.

2.8 CHECK VALVE

A. Horizontal Swing Check Valves: 2 inches and Smaller: MSS SP 80, Class 150, bronze body and cap, bronze seat, Buna-N disc, solder or threaded ends.

2.9 BRASS BALL VALVES

A. Brass Ball Valves, Two-Piece with Full Port and Brass Trim:

1. Description:

a. Standard: MSS SP-110.

b. Rating: 150 psig.

c. Body Design: Two piece.

d. Body Material: Forged brass.

e. Ends: Threaded.

f. Seats: PTFE.

g. Stem: Brass.

h. Ball: Chrome-plated brass.

i. Port: Full.

PART 3 - EXECUTION

3.1 INSTALLATION

GENERAL-DUTY VALVES FOR HVAC PIPING 230523 - 7

A. Installation:

1. The procedures regarding unloading, inspection, storage, and where applicable, installation, described in the Appendix of AWWA C500 entitled "Installation, Operation, and Maintenance of Gate Valves" shall be used for all valves.

2. All valves shall be manually opened and closed before installation to check their operation, and the interior of the valves shall be cleaned. Valves shall be placed in the positions shown on the Contract Drawings. Joints shall be made as directed under the piping specifications.

3. Position valve operators as shown on the Contract Drawings. When the position is not shown, install the valve so that it can be conveniently operated. Do not place operators at angles other than parallel to the floors or walls.

4. For normally closed non-lubricated plug valves, install the valve with the seat on the upstream side. In this orientation, the valve body will not be packed with the process liquid.

B. Valve Supports:

1. Valves shall be supported as integral components of the piping systems as specified in the Pipe Support Systems paragraph in Specification 230529 – Hangers and supports for HVAC piping and equipment.

2. All horizontally or vertically mounted valve operators, manual, pneumatic or electric, shall be designed to sustain the working torque without an external support.

3. Valve supports shall anchor the valves against an unbalanced force in either…

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