Vol 2 Bid Set Specifications 07-13-09.pdf

MODERNIZATION

OF THE SOUTH BUILDING

UNITED STATES DEPARTMENT OF AGRICULTURE

USDA NUMBER SBM-PH-4A

CONTRACT NO. 53-3142-4-6049

S H A L O M B A R A N E S A S S O C I A T E S , P.C. / S Y S K A H E N N E S S Y G R O U P J O I N T V E N T U R E

Phase 4A Bid Set

July 13, 2009

SPECIFICATION

VOLUME 2

Modernization of the South Building Contract No. 53-3142-4-6049 US Department of Agriculture

July 13, 2009 Bid Set TOC-1 TABLE OF CONTENTS

TABLE OF CONTENTS

Division Section Title Pages

DIVISION 15 - MECHANICAL

15050 BASIC MECHANICAL MATERIALS AND METHODS 14

15075 MECHANICAL IDENTIFICATION 7

15100 VALVES 10

15125 PIPE EXPANSION JOINTS 4

15135 METERS AND GAGES 10

15145 HANGERS AND SUPPORTS 6

15170 MOTORS AND MOTOR CONTROLLERS 4

15241 MECHANICAL VIBRATION CONTROLS 5

15250 MECHANICAL INSULATION 17

15251 NOISE CONTROL 4

15330 COMBINED STANDPIPE WET-PIPE SPRINKLER SYSTEM 11

15411 WATER DISTRIBUTION PIPING 7

15420 DRAINAGE AND VENT PIPING 7

15430 PLUMBING SPECIALTIES 16

15440 PLUMBING FIXTURES 21

15485 ELECTRIC WATER HEATERS 7

15510 HYDRONIC PIPING 11

15520 STEAM AND CONDENSATE PIPING 9

15540 HVAC PUMPS 7

15682 AIR COOLED WATER CHILLERS 5

15815 METAL DUCTS 8

15820 DUCT ACCESSORIES 7

15832 FINNED-TUBE RADIATION 4

15835 UNIT HEATERS 3

15845 AIR TERMINALS 5

15853 AIR-TO-AIR ENERGY RECOVERY UNITS 6

15854 CENTRAL STATION AIR-HANDLING UNITS CUSTOM BUILT 11

15855 DIFFUSERS, REGISTERS AND GRILLES 5

15861 AIR FILTERS 4

15990 TESTING, ADJUSTING, AND BALANCING 22

DIVISION 16 - ELECTRICAL

16050 BASIC ELECTRICAL MATERIALS AND METHODS 9

16120 CONDUCTORS AND CABLES 7

16124 MEDIUM VOLTAGE CABLES 7

16130 RACEWAYS, BOXES AND CABLE TRAYS 9

16140 WIRING DEVICES 5

16195 ELECTRICAL IDENTIFICATION 6

16427 NETWORK TRANSFORMERS AND NETWORK PROTECTORS 16

16430 LOW VOLTAGE SWITCHGEAR 11

16435 ELECTRICAL SYSTEM PROTECTIVE DEVICE STUDY 3

16450 ENCLOSED BUS ASSEMBLIES 5

July 13, 2009 Bid Set TOC-2 TABLE OF CONTENTS

16452 GROUNDING 7

DIVISION 16 – ELECTRICAL - Continued

16461 DRYTYPE TRANSFORMERS (1000 V AND LESS) 8

16470 PANELBOARDS 8

16475 FUSES 3

16476 DISCONNECT SWITCHES AND CIRCUIT BREAKERS 5

16481 MOTOR CONTROLLERS 6

16515 INTERIOR LIGHTING 7

16723 MULTIPLEX/ADDRESSABLE FIRE ALARM SYSTEMS 23

16726 ELEVATOR SMOKE DETECTION SYSTEM (MULTIPLEX) 4

16915 LIGHTING CONTROL EQUIPMENT 9

DIVISION 17

17010 FACILITY MANAGEMENT AND TECHNOLOGY SYSTEMS 5

17100 COMMISSIONING FACILITY MANAGEMENT AND TECHNOLOGY SYSTEMS 3

17171 VARIABLE FREQUENCY DRIVES 4

17727 ELECTRONIC SECURITY SYSTEM 20

17975 AUTOMATIC TEMPERATURE CONTROLS (ATC) SYSTEMS/ 28

DIVISION 18

18050 GENERAL PROVISIONS FOR TELECOMMUNICATIONS CABLING 16

18100 CABLE TRAYS 5

18200 VOICE/DATA CABLE PLANT 10

18300 RACKS, FRAMES, CABINETS AND ENCLOSURES 2

18400 TELECOMMUNICATIONS GROUNDING 3

July 13, 2009 Bid Set 15050-1 Basic Mechanical Materials and Methods

SECTION 15050

BASIC MECHANICAL 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, including Division 01300 apply to this Section.

1.2 SUMMARY

A. This Section includes the following basic mechanical materials and methods to complement other Division 15 Sections.

1. Piping materials and installation instructions common to most piping systems.

2. Concrete base construction requirements.

3. Escutcheons.

4. Dielectric fittings.

5. Flexible connectors.

6. Mechanical sleeve seals.

7. Equipment nameplate data requirements.

8. Labeling and identifying mechanical systems and equipment is specified in Division 15

Section “Mechanical Identification.”

9. Nonshrink grout for equipment installations.

10. Field-fabricated metal and wood equipment supports.

11. Installation requirements common to equipment specification sections.

12. Mechanical demolition.

13. Cutting and patching.

14. Touchup painting and finishing.

B. Pipe and pipe fitting materials are specified in Division 15 piping system Sections.

C. This section includes Division 15 project requirements related to the project’s effort to obtain certification under the Leadership in Energy and Environmental Design (LEED) Version 2.0 rating system.

1.3 DEFINITIONS

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, crawl spaces, and tunnels.

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

Bid Set 15050-2 Basic Mechanical Materials and Methods

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 rubber materials:

1. CR: Chlorosulfonated polyethylene synthetic rubber.

2. EPDM: Ethylene propylene diene terpolymer rubber.

1.4 LEADERSHIP IN ENERGY AND ENVIRONMENTAL DESIGN

A. The Project will be applying for a Leadership in Energy and Environmental Design (LEED) rating from the United States Green Building Council. All contractors involved in the project will be expected to support the effort to obtain a LEED rating.

B. Coordinate with the Architect, Owner, and LEED Project Coordinator in preparing documentation and other information required for submittal for a LEED rating. Provide this information as required by the project LEED coordinator.

C. Required LEED documents to be provided under Division 15 include:

1. Provide a letter certifying that existing equipment containing CFC and HCFC refrigerants have been properly disposed of, in accordance with all state and local regulations, and that the refrigerant has been recycled.

2. Coordinate documentation with requirements of Section 01025 Indoor Environmental Protection.

3. Coordinate documentation with requirements of Section 01810 Commissioning.

3. Coordinate documentation with requirements of Section 01115 and Section 01352.

1.5 SUBMITTALS

A. Product Data: For dielectric fittings, flexible connectors, mechanical sleeve seals, and identification materials and devices.

B. Shop Drawings: Detail fabrication and installation for supports and anchorage for mechanical materials and equipment.

C. Coordination Drawings: Detail major elements, components, and systems of mechanical equipment and materials in relationship with other systems, installations, and building components. Show space requirements for installation and access. Indicate if sequence and coordination of installations are important to efficient flow of the Work. Include the following:

Bid Set 15050-3 Basic Mechanical Materials and Methods

1. Composite drawings showing all trades signed off by all trades for coordination, including valve and specialty locations and valve-stem movement.

2. Clearances for installing and maintaining insulation.

3. Clearances for servicing and maintaining equipment, accessories, and specialties, including space for disassembly required for periodic maintenance.

4. Equipment and accessory service connections and support details.

5. Exterior wall and foundation penetrations.

6. Fire-rated wall and floor penetrations.

7. Sizes and location of required concrete pads and bases.

8. Scheduling, sequencing, movement, and positioning of large equipment into building during construction.

9. Floor plans, elevations, and details to indicate penetrations in floors, walls, and ceilings and their relationship to other penetrations and installations.

10. Reflected ceiling plans to coordinate and integrate installation of air outlets and inlets, light fixtures, communication system components, sprinklers, and other ceiling-mounted items.

11. Scale of coordination drawings shall no less than 1:30.

12. Provisions for scheduling, sequencing, moving, and positioning large equipment in the building during construction.

D. Samples: Of color, lettering style, and other graphic representations required for each identification material and device.

1.6 QUALITY ASSURANCE

A. Comply with ASME A13.1 for lettering size, length of color field, colors, and viewing angles of identification devices.

B. Equipment Selection: Equipment of higher electrical characteristics, physical dimensions, capacities, and ratings may be furnished provided such proposed equipment is approved in writing and connecting mechanical and electrical services, circuit breakers, conduit, motors, bases, and equipment spaces are increased, at no additional costs to the government. If minimum energy ratings or efficiencies of equipment are specified, equipment must meet design and commissioning requirements.

1.7 DELIVERY, STORAGE, AND HANDLING

A. Deliver pipes and tubes with factory-applied end caps. Maintain end caps through shipping, storage, and handling to prevent pipe end damage and prevent entrance of dirt, debris, and moisture.

B. Protect stored pipes and tubes from moisture and dirt. Elevate above grade. Do not exceed structural capacity of floor, if stored inside.

C. Protect flanges, fittings open ducts, and piping specialties from moisture and dirt.

1.8 SEQUENCING AND SCHEDULING

A. Coordinate mechanical equipment installation with other building components in use.

Bid Set 15050-4 Basic Mechanical Materials and Methods

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

C. Coordinate installation of required supporting devices and core drill sleeves in concrete and other structural components, as they are constructed.

D. Sequence, coordinate, and integrate installations of mechanical materials and equipment for efficient flow of the Work. Coordinate installation of large equipment requiring positioning before closing in building.

E. Coordinate connection of mechanical systems with exterior underground and overhead utilities and services. Comply with requirements of governing regulations, franchised service companies, and controlling agencies.

F. Coordinate requirements for access panels and doors if mechanical items requiring access are concealed behind finished surfaces. Access panels and doors are specified in Division 8 Section “Access Panels.”

G. Coordinate installation of identifying devices after completing covering and painting, if devices are applied to surfaces. Install identifying devices before installing acoustical ceilings and similar concealment.

PART 2 – PRODUCTS

2.1 MANUFACTURERS

A. Available Manufacturers: Subject to compliance with requirements, manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following:

1. Dielectric Unions:

a. Capitol Manufacturing Co.

b. Central Plastics Co.

c. Eclipse, Inc.; Rockford-Eclipse Div.

d. Epco Sales Inc.

e. Hart Industries International, Inc.

f. Watts Industries, Inc.; Water Products Div.

g. Zurn Industries, Inc.; Wilkins Div.

2. Dielectric Flanges:

a. Capitol Manufacturing Co.

b. Central Plastics Co.

c. Epco Sales Inc.

d. Watts Industries, Inc.; Water Products Div.

3. Dielectric-Flange Insulating Kits:

a. Calpico, Inc.

Bid Set 15050-5 Basic Mechanical Materials and Methods

b. Central Plastics Co.

4. Dielectric Couplings:

a. Calpico, Inc.

b. Lochinvar Corp.

5. Dielectric Nipples:

a. Grinnell Corp.; Grinnell Supply Sales Co.

b. Perfection Corp.

c. Victaulic Co. of America

6. Metal, Flexible Connectors:

a. ANAMET Industrial, Inc.

b. Central Sprink, Inc.

c. Flexicraft Industries

d. Flex-Weld, Inc.

e. Grinnell Corp.; Grinnell Supply Sales Co.

f. Hyspan Precision Products, Inc.

g. McWane, Inc.; Tyler Pipe; Gustin-Bacon Div.

h. Mercer Rubber Co.

i. Metraflex Co.

j. Proco Products, Inc.

k. Uniflex, Inc.

7. Rubber, Flexible Connectors:

a. General Rubber Corp.

b. Mercer Rubber Co.

c. Metraflex Co.

d. Proco Products, Inc.

e. Red Valve Co., Inc.

f. Uniflex, Inc.

8. Mechanical Sleeve Seals:

a. Calpico, Inc.

b. Metraflex Co.

c. Thunderline/Link-Seal.

2.2 PIPE AND PIPE FITTINGS

A. Refer to individual Division 15 piping Sections for pipe and fitting materials and joining methods.

B. Pipe Threads: ASME B1.20.1 for factory-threaded pipe and pipe fittings.

Bid Set 15050-6 Basic Mechanical Materials and Methods

2.3 JOINING MATERIALS

A. Refer to individual Division 15 piping Sections for special joining materials not listed below.

B. Pipe-Flange Gasket Materials: Suitable for chemical and thermal conditions of piping system contents.

1. ASME B16.21, nonmetallic, flat, asbestos-free, 3.2-mm maximum thickness, unless thickness or specific material is indicated.

a. Full-Face Type: For flat-face, Class 125, cast-iron and cast-bronze flanges.

b. Narrow-Face Type: For raised-face, Class 250, cast-iron and steel flanges.

2. AWWA C110, rubber, flat face, 3.2 mm thick, unless otherwise indicated; and full-face or ring type, unless otherwise indicated.

C. Flange Bolts and Nuts: ASME B18.2.1, carbon steel, unless otherwise indicated.

D. Plastic, Pipe-Flange Gasket, Bolts, and Nuts: Type and material recommended by piping system manufacturer, unless otherwise indicated.

E. Solder Filler Metals: ASTM B 32.

1. Alloy Sn95 or Alloy Sn94: Approximately 95 percent tin and 5 percent silver, with 0.10 percent lead content.

2. Alloy E: Approximately 95 percent tin and 5 percent copper, with 0.10 percent maximum lead content.

3. Alloy HA: Tin-antimony-silver-copper zinc, with 0.10 percent maximum lead content.

4. Alloy HB: Tin-antimony-silver-copper nickel, with 0.10 percent maximum lead content.

5. Alloy Sb5: 95 percent tin and 5 percent antimony, with 0.20 percent maximum lead content.

F. Brazing Filler Metals: AWS A5.8

1. BCuP Series: Copper-phosphorous alloys.

2. BAgl: Silver alloy.

G. Welding Filler Metals: Comply with AWS D10.12 welding materials appropriate for wall thickness and chemical analysis of steel pipe being welded.

H. Flanged, Ductile-Iron Pipe Gasket, Bolts, and Nuts: AWWA C110, rubber gasket, carbon-steel bolts and nuts.

I. Couplings: Iron-body sleeve assembly, fabricated to match OD of plain-end pressure pipes.

1. Sleeve: ASTM A 126, Class B, gray iron.

2. Followers: ASTM A 47 (ASTM A 47M) malleable iron or ASTM A 536 ductile iron.

3. Gaskets: Rubber

4. Bolts and Nuts: AWWA C111.

5. Finish: Enamel paint.

Bid Set 15050-7 Basic Mechanical Materials and Methods

2.4 DIELECTRIC FITTINGS

A. General: Assembly or fitting with insulating material isolating joined dissimilar metals, to prevent galvanic action and stop corrosion.

B. Description: Combination of copper alloy and ferrous; threaded, solder, plain, and weld-neck end types and matching piping system materials.

C. Insulating Material: Suitable for system fluid, pressure, and temperature.

D. Dielectric Unions: Factory-fabricated, union assembly, for 1725-kPa minimum working pressure at 82 deg. C.

E. Dielectric Flanges: Factory-fabricated, companion-flange assembly, for 1035- or 2070-kPa minimum working pressure as required to suit system pressures.

F. Dielectric-Flange Insulation Kits: Field-assembled, companion-flange assembly, full-face or ring type. Components include neoprene or phenolic gasket, phenolic or polyethylene bolt sleeves, phenolic washers, and steel backing washers.

1. Provide separate companion flanges and steel bolts and nuts for 1035- or 2070-kPa minimum working pressure as required to suit system pressures.

G. Dielectric Couplings: Galvanized-steel coupling with inert and noncorrosive, thermoplastic lining; threaded ends; and 2070-kPa minimum working pressure at 107 deg C.

H. Dielectric Nipples: Electroplated steel nipple with inert and noncorrosive, thermoplastic lining;

plain, threaded, or grooved ends; and 2070-kPa minimum working pressure at 107 deg C.

2.5 FLEXIBLE CONNECTORS

A. General: Fabricated form materials suitable for system fluid and that will provide flexible pipe connections. Include 860-kPa minimum working-pressure rating, unless higher working pressure is indicated, and ends according to the following:

1. DN50 and Smaller: Threaded

2. DN65 and Larger: Flanged

B. Bronze-Hose, Flexible Connectors: Corrugated, bronze, inner tubing covered with bronze wire braid. Include copper-tube ends or bronze flanged ends, braze welded to hose.

C. Stainless-Steel-Hose/Steel Pipe, Flexible Connectors: Corrugated, stainless-steel, inner tubing covered with stainless-steel wire braid. Include steel nipples or flanges, welded to hose.

D. Stainless-Steel-Hose/Stainless-Steel Pipe, Flexible Connectors: Corrugated, stainless-steel, inner tubing covered with stainless-steel wire braid. Include stainless-steel nipples or flanges, welded to hose.

Bid Set 15050-8 Basic Mechanical Materials and Methods

E. Rubber, Flexible Connectors: CR or EPDM elastomer rubber construction, with multiple plies of NP fabric, molded and cured in hydraulic presses. Include 860-kPa minimum working-pressure rating at 104 deg C. Units may be straight or elbow type, unless otherwise indicated.

2.6 MECHANICAL SLEEVE SEALS

A. Description: Modular design, with interlocking rubber links shaped to continuously fill annular space between pipe and sleeve. Include connecting bolts and pressure plates.

2.7 PIPING SPECIALTIES

A. Sleeves: The following materials are for wall, floor, slab, and roof penetrations:

1. Steel Sheet Metal: 0.6-mm minimum thickness, galvanized, round tube closed with welded longitudinal joint.

2. Steel Pipe: ASTM A 53, Type E, Grade A, Schedule 40, galvanized, plain ends.

3. Cast Iron: Cast or fabricated “wall pipe” equivalent to ductile-iron pressure pipe, with plain ends and integral waterstop, unless otherwise indicated.

4. Stack Sleeve Fittings: Manufactured, cast-iron sleeve with integral clamping flange.

Include clamping ring and bolts and nuts for membrane flashing.

a. Underdeck Clamp: Clamping ring with set screws.

B. Escutcheons: Manufactured wall, ceiling, and floor plates; deep-pattern type if required to conceal protruding fittings and sleeves.

1. ID: Closely fit around pipe, tube, and insulation of insulated piping.

2. OD: Completely cover opening.

3. Cast-Iron Floor Plate: One-piece casting.

4. Stamped Steel: One piece, with set screw and chrome-plated finish.

2.8 GROUT

A. Nonshrink, Nonmetallic Grout: ASTM C 1107, Grade B.

1. Characteristics: Post-hardening, volume-adjusting, dry, hydraulic-cement grout, nonstaining, noncorrosive, nongaseous, and recommended for interior and exterior applications.

2. Design Mix: 34.5-Mpa, 28-day compressive strength.

3. Packaging: Premixed and factory packaged.

Bid Set 15050-9 Basic Mechanical Materials and Methods

PART 3 – EXECUTION

3.1 PIPING SYSTEMS – COMMON REQUIREMENTS

A. General: Install piping as described below, unless piping Sections specify otherwise. Individual Division 15 piping Sections specify unique piping installation requirements.

B. General Locations and Arrangements: Drawing plans, schematics, and diagrams indicated general location and arrangement of piping systems. Indicated locations and arrangements were used to size pipe and calculate friction loss, expansion, pump sizing, and other design considerations. Install piping as indicated, unless deviations to layout are approved on Coordination Drawings.

C. Install piping at indicated slope.

D. Install components with pressure rating equal to or greater than system operating pressure.

E. Install piping in concealed interior and exterior locations, except in equipment rooms and service areas.

F. Install piping free of sags and bends.

G. Install exposed interior and exterior piping at right angles or parallel to building walls. Diagonal runs are prohibited, unless otherwise indicated.

H. Install piping tight to slabs, beams, joists, columns, walls, and other building elements. Allow sufficient space above removable ceiling panels to allow for ceiling panel removal.

1. Install piping and hangers to provide a minimum clearance above the floor of 2280 mm occupied space and 2100 mm in equipment rooms and spaces.

I. Install piping to allow applications of insulation plus 25-mm clearance around insulation.

J. Locate groups of pipes parallel to each other, spaced to permit valve servicing.

K. Install fittings for changes in direction and branch connections.

L. Install couplings according to manufacturer’s written instructions.

M. Install pipe escutcheons for pipe penetrations of concrete and masonry walls, wall board partitions, and suspended ceilings according to the following:

1. Chrome-Plated Piping: Cast brass, one piece, with set screw, and polished chrome-plated finish. Use split-casting escutcheons if required, for existing piping.

2. Uninsulated Piping Wall Escutcheons: Cast brass or stamped steel, with set screw.

3. Uninsulated Piping Floor Plates in utility Areas: Cast-iron floor plates.

4. Insulated Piping: Cast brass or stamped steel; with concealed hinge, spring clips, and chrome-plated finish.

5. Piping in Utility Areas: Cast brass or stamped steel, with set-screw or spring clips.

Bid Set 15050-10 Basic Mechanical Materials and Methods

N. Sleeves are not required for core drilled holes.

O. Permanent sleeves are not required for holes formed by PE removable sleeves.

P. Install sleeves for pipes passing through concrete and masonry walls, and concrete floor and roof slabs.

Q. Install sleeves for pipes passing through concrete and masonry walls, gypsum-board partitions, and concrete floor and roof slabs.

1. Cut sleeves to length for mounting flush with both surfaces.

a. Exception: Extend sleeves installed in floors of mechanical equipment areas or other wet areas 50 mm above finished floor level. Extend cast-iron sleeve fittings below floor slab as required to secure clamping ring if ring is specified.

2. Build sleeves into new walls and slabs as work progresses.

3. Install sleeves large enough to provide 6.4-mm annular clear space between sleeve and pipe or pipe insulation. Use the following sleeve materials:

a. Steel Pipe Sleeves: For pipes smaller than NPS DN150.

b. Steel, Sheet-Metal Sleeves: For pipes NPS DN150 and larger, penetrating gypsum-board partitions.

c. Stack Sleeve Fittings: For pipes penetrating floors with membrane waterproofing. Secure flashing between clamping flanges. Install section of cast-iron soil pipe to extend sleeve to 50 mm above finished floor level. Refer to Division 7.

4. Except for underground wall penetrations, seal annular space between sleeve and pipe or pipe insulation, using elastomeric joint sealants. Refer to Division 7 Section “Joint Sealants” for materials.

5. Use Type S, Grade NS, Class 25, Use O, neutral-curing silicone sealant, unless otherwise indicated.

R. Aboveground, Exterior-Wall, Pipe Penetrations: Seal penetrations using sleeves and mechanical sleeve seals. Size sleeve for 25-mm annular clear space between pipe and sleeve for installing mechanical sleeve seals.

1. Install steel pipe for sleeves smaller than 150 mm in diameter.

2. Install cast-iron “wall pipes” for sleeves 150 mm in diameter and larger.

3. Assemble and install mechanical sleeve seals according to manufacturer’s written instructions. Tighten bolts that cause rubber sealing elements to expand and make watertight seal.

4. Assemble and install mechanical sleeve seals according to manufacturer’s written instructions. Tighten bolts that cause rubber sealing elements to expand and make watertight seal.

Bid Set 15050-11 Basic Mechanical Materials and Methods

S. Fire-Barrier Penetrations: Maintain indicated fire rating of walls, partitions, ceilings, and floors at pipe penetrations. Seal pipe penetrations with firestopping materials. Refer to Division 7 Section “Firestopping” for materials.

T. Verify final equipment locations for roughing-in.

U. Refer to equipment specifications in other Sections of these Specifications for roughing-in requirements.

V. Piping Joint Construction: Join pipe and fittings as follows and as specifically required in individual piping specification Sections:

1. Ream ends of pipes and tubes and remove burrs. Bevel plain ends of steel pipe.

2. Remove scale, slag, dirt, and debris from inside and outside of pipe and fittings before assembly.

3. Soldered Joints: Construct joints according to AWS’s “Soldering Manual,” Chapter “The

Soldering of Pipe and Tube”; or CDA’s “Copper Tube Handbook.”

4. Soldered Joints: Construct joints according AWS’s “Soldering Manual, Chapter “The

Soldering of Pipe and Tube.”

5. Soldered Joints: Construct joints according to CDA’s “Copper Tube Handbook.”

6. Brazed Joints: Construct joints according to AWS’s “Brazing Handbook,” Chapter “Pipe and Tube”.

7. Threaded Joints: Thread pipe with tapered pipe threads according to ASME B1.20.1.

Cut threads full and clean using sharp dies. Ream threaded pipe ends to remove burrs and restore full ID. Join pipe fittings and valves as follows:

a. Note internal length of threads in fittings or valve ends, and proximity of internal seat or wall, to determine how far pipe should be threaded into joint.

b. Apply appropriate tape or thread compound to external pipe threads, unless dry seal threading is specified.

c. Align threads at point of assembly.

d. Tighten joint with wrench. Apply wrench to valve end into which pipe is being threaded.

e. Damaged Threads: Do not use pipe or pipe fittings with treads that are corroded or damaged. Do not use pipe sections that have cracked or open welds.

8. Welded Joints: Construct joints according to AWS D10.12, “Recommended Practices and Procedures for Welding Low Carbon Steel Pipe,” using qualified processes and welding operators according to “Quality Assurance” Article.

9. Flanged Joints: Align flange surfaces parallel. Select appropriate gasket material, size, type, and thickness for service application. Install gasket concentrically positioned.

Assemble joints by sequencing bolt tightening to make initial contact of flanges and gaskets as flat and parallel as possible. Use suitable lubricants on bolt threads. Tighten bolts gradually and uniformly using torque wrench.

W. Piping Connections: Make connections according to the following, unless otherwise indicated:

1. Install unions, in piping NPS DN50 and smaller, adjacent to each valve and at final connection to each piece of equipment with NPS DN50 or smaller threaded pipe connection.

Bid Set 15050-12 Basic Mechanical Materials and Methods

2. Install flanges, in piping NPS DN65 and larger, adjacent to flanged valves and at final connection to each piece of equipment with flanged pipe connection.

3. Dry Piping Systems: Install dielectric unions and flanges to connect piping materials of dissimilar metals.

4. Wet Piping Systems: Install dielectric coupling and nipple fittings to connect piping materials of dissimilar metals.

3.2 EQUIPMENT INSTALLATION – COMMON REQUIREMENTS

A. Install equipment to provide maximum possible headroom, if mounting heights are not indicated.

B. Install equipment according to approved submittal data. Portions of the Work are shown only in diagrammatic form. Refer conflicts to Architect.

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

D. Install mechanical 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.

E. Install equipment giving right of way to piping installed at required slope.

F. Install flexible connectors on equipment side of shutoff valves, horizontally and parallel to equipment shafts if possible.

3.3 PAINTING AND FINISHING

A. Refer to Division 9 Section “Painting and Finishing” for paint materials, surface preparation, and application of paint.

B. Apply paint to exposed piping according to the following, unless otherwise indicated:

1. Interior, Ferrous Piping: Use semigloss, acrylic-enamel finish. Include finish coat over enamel undercoat and primer.

2. Interior, Galvanized-Steel Piping: Use semigloss, acrylic-enamel finish. Include two finish coats over galvanized metal primer.

3. Interior, Ferrous Supports: Use semigloss, acrylic-enamel finish. Include finish coat over enamel undercoat and primer.

4. Exterior, Ferrous Piping: Use semigloss, acrylic-enamel finish. Include two finish coats over rust-inhibitive metal primer.

5. Exterior, Galvanized-Steel Piping: Use semigloss, acrylic-enamel finish. Include two finish coats over galvanized metal primer.

6. Exterior, Ferrous Supports: Use semigloss, acrylic-enamel finish. Include two finish coats over rust-inhibitive metal primer.

C. Do not paint piping specialties with factory-applied finish.

D. Damage and Touchup: Repair marred and damaged factory-painted finishes with materials and procedures to match original factory finish.

Bid Set 15050-13 Basic Mechanical Materials and Methods

3.4 CONCRETE BASES

A. Provide bases for all mechanical and plumbing equipment. Construct concrete bases of dimensions not less than 150 mm high and 150 mm larger in both directions than supported unit.

Follow supported equipment manufacturer’s setting templates for anchor bolt and tie locations.

Use 20.7-Mpa, 28-day compressive-strength concrete and reinforcement as specified in Division 3 Section “Cast-in-Place Concrete.”

3.5 ERECTION OF METAL SUPPORTS AND ANCHORAGE

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, “Structural Welding Code—Steel.”

3.6 ERECTION OF WOOD SUPPORTS AND ANCHORAGE

A. Cut, fit, and place wood grounds, nailers, blocking, and anchorage to support and anchor mechanical materials and equipment.

B. Select fastener sizes that will not penetrate members if opposite side will be exposed to view or will receive finish materials. Tighten connections between members. Install fasteners without splitting wood members.

C. Attach to substrates as required to support applied loads.

3.7 DEMOLITION

A. Disconnect, demolish, and remove Work specified in Division 15 Sections.

B. If pipe, ductwork, insulation, or equipment to remain is damaged or disturbed, remove damaged portions and install new products of equal capacity and quality.

C. Accessible Work: Remove indicated exposed pipe and ductwork in its entirety.

D. Removal: Remove indicated equipment from Project site.

E. Temporary Disconnection: Remove, store, clean, reinstall, reconnect, and make operational equipment indicated for relocation.

3.8 CUTTING AND PATCHING

A. Cut, channel, chase, and drill floors, walls, partitions, ceilings, and other surfaces necessary for mechanical installations. Perform cutting by skilled mechanics of trades involved.

B. Repair cut surfaces to match adjacent surfaces.

Bid Set 15050-14 Basic Mechanical Materials and Methods

3.9 GROUTING

A. Install nonmetallic, nonshrink, grout for mechanical equipment base bearing surfaces, pump and other equipment base plates, and anchors. Mix grout according to manufacturer’s written instructions.

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

C. Provide forms as required for placement of grout.

D. Avoid air entrapment during placing of grout.

E. Place grout, completely filling equipment bases.

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

G. Place grout around anchors.

H. Cure placed grout according to manufacturer’s written instructions.

END OF SECTION

July 13, 2009 Bid Set 15075-1 Mechanical Identification

SECTION 15075

MECHANICAL IDENTIFICATION

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. This Section includes mechanical identification materials and devices.

1.3 SUBMITTALS

A. Product Data: For identification materials and devices.

B. Samples: Of color, lettering style, and graphic representation required for each identification material and device.

C. Valve Schedules: For each piping system. Reproduce on standard-size bond paper. Tabulate valve number, piping system, system abbreviation as shown on tag, room or space location of valve, and variations for identification. Mark valves intended for emergency shutoff and similar special uses.

Besides mounted copies, furnish copies for maintenance manuals specified in Division 1.

1.4 QUALITY ASSURANCE

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

1.5 SEQUENCING AND SCHEDULING

A. Coordinate installation of identifying devices with completion of covering and painting of surfaces where devices are to be applied.

B. Install identifying devices before installing acoustical ceilings and similar concealment.

July 13, 2009 Bid Set 15075-2 Mechanical Identification

PART 2 - PRODUCTS

2.1 IDENTIFYING DEVICES AND LABELS

A. General: Products specified are for applications referenced in other Division 15 Sections. If more than single type is specified for listed applications, selection is Installer's option.

B. Equipment Nameplates: Metal permanently fastened to equipment with data engraved or stamped.

1. Data: Manufacturer, product name, model number, serial number, capacity, operating and power characteristics, labels of tested compliances, and essential data.

2. Location: Accessible and visible.

C. Stencils: Standard stencils, prepared with letter sizes conforming to recommendations of ASME A13.1. Minimum letter height is 30 mm for ducts, and 20 mm for access door signs and similar operational instructions.

1. Material: Fiberboard.

2. Material: Brass.

3. Stencil Paint: Exterior, oil-based, alkyd gloss black enamel, unless otherwise indicated. Paint may be in pressurized spray-can form.

4. Identification Paint: Exterior, oil-based, alkyd enamel in colors according to ASME A13.1, unless otherwise indicated.

D. Snap-On Plastic Pipe Markers: Manufacturer's standard preprinted, semirigid, snap-on type. Include color-coding according to ASME A13.1, unless otherwise indicated.

E. Pressure-Sensitive Pipe Markers: Manufacturer's standard preprinted, color-coded, pressure-sensitive, vinyl type with permanent adhesive.

F. Pipes with OD, Including Insulation, Less Than 150 mm: Full-band pipe markers, extending 360 degrees around pipe at each location.

G. Pipes with OD, Including Insulation, 150 mm and Larger: Either full-band or strip-type pipe markers, at least 3 times letter height and of length required for label.

H. Lettering: Manufacturer's standard preprinted captions as selected by Architect.

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

1. Arrows: Either integrally with piping system service lettering, to accommodate both directions, or as separate unit, on each pipe marker to indicate direction of flow.

J. Plastic Duct Markers: Manufacturer's standard laminated plastic, in the following color codes:

1. Green: Cold-air supply.

2. Yellow: Hot-air supply.

July 13, 2009 Bid Set 15075-3 Mechanical Identification

3. Blue: Exhaust, outside, return, and mixed air.

4. Hazardous Material Exhausts: Use colors and designs recommended by ASME A13.1.

5. Terminology: Include direction of airflow; duct service such as supply, return, and exhaust; duct origin, duct destination, and design flow.

K. Plastic Tape: Manufacturer's standard color-coded, pressure-sensitive, self-adhesive, vinyl tape, at least 0.08 mm thick.

1. Width: 40 mm on pipes with OD, including insulation, less than 150 mm; 65 mm for larger pipes.

2. Color: Comply with ASME A13.1, unless otherwise indicated.

L. Valve Tags: Stamped or engraved with 6-mm letters for piping system abbreviation and 13-mm sequenced numbers. Include 4-mm hole for fastener.

1. Material: 0.8-mm thick, polished brass.

2. Size: 40-mm diameter, unless otherwise indicated.

3. Shape: As indicated for each piping system.

M. Valve Tag Fasteners: Brass, wire-link or brass S-hooks.

N. Access Panel Markers: 2-mm thick, engraved plastic-laminate markers, with abbreviated terms and numbers corresponding to concealed valve. Provide 3-mm center hole for attachment.

O. Valve Schedule Frames: Glazed display frame for removable mounting on masonry walls for each page of valve schedule. Include screws.

1. Frame: Extruded aluminum.

2. Glazing: ASTM C 1036, Type I, Class 1, Glazing quality B, 2.5-mm, single-thickness glass.

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

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

2. Thickness: 2 mm, for units up to 130 sq. cm or 200 mm in length, and 3 mm for larger units.

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

Q. Plastic Equipment Markers: Manufacturer's standard laminated plastic, in the following color codes:

1. Green: Cooling equipment and components.

2. Yellow: Heating equipment and components.

3. Blue: Equipment and components that do not meet criteria above.

4. Hazardous Equipment: Use colors and designs recommended by ASME A13.1.

5. Terminology: Match schedules as closely as possible. Include the following:

a. Name and plan number.

July 13, 2009 Bid Set 15075-4 Mechanical Identification

b. Equipment service.

c. Design capacity.

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

6. Size: 65 by 100 mm for control devices, dampers, and valves; 115 by 150 mm for equipment.

R. Plasticized Tags: Preprinted or partially preprinted, accident-prevention tags, of plasticized card stock with mat finish suitable for writing.

1. Size: 85 by 145 mm.

2. Fasteners: Brass grommets and wire.

3. Nomenclature: Large-size primary caption such as DANGER, CAUTION, or DO NOT

OPERATE.

S. Lettering and Graphics: Coordinate names, abbreviations, and other designations used in mechanical identification with corresponding designations indicated. Use numbers, letters, and terms indicated for proper identification, operation, and maintenance of mechanical systems and equipment.

1. Multiple Systems: Identify individual system number and service if multiple systems of same name are indicated.

PART 3 - EXECUTION

3.1 LABELING AND IDENTIFYING PIPING SYSTEMS

A. Install pipe markers on each system. Include arrows showing normal direction of flow.

B. Marker Type: Stenciled markers complying with ASME A13.1.

C. Fasten markers on pipes and insulated pipes smaller than 150 mm OD by one of following methods:

1. Snap-on application of pretensioned, semirigid plastic pipe marker.

2. Adhesive lap joint in pipe marker overlap.

3. Laminated or bonded application of pipe marker to pipe or insulation.

4. Taped to pipe or insulation with color-coded plastic adhesive tape, not less than 20 mm wide, lapped a minimum of 40 mm at both ends of pipe marker, and covering full circumference of pipe.

D. Fasten markers on pipes and insulated pipes 150 mm in diameter and larger by one of following methods:

1. Laminated or bonded application of pipe marker to pipe or insulation.

2. Taped to pipe or insulation with color-coded plastic adhesive tape, not less than 40 mm wide, lapped a minimum of 75 mm at both ends of pipe marker, and covering full circumference of pipe.

July 13, 2009 Bid Set 15075-5 Mechanical Identification

3. Strapped to pipe or insulation with manufacturer's standard stainless-steel bands.

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

accessible maintenance spaces such as shafts, tunnels, and plenums; and exterior nonconcealed locations according to the following:

1. Near each valve and control device.

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

3. Near penetrations through walls, floors, ceilings, or nonaccessible enclosures.

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

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

6. Spaced at a maximum of 15-m intervals along each run. Reduce intervals to 7.5 m in areas of congested piping and equipment.

7. On piping above removable acoustical ceilings, except omit intermediately spaced markers.

3.2 VALVE TAGS

A. Install on valves and control devices in piping systems, except check valves, valves within factory-fabricated equipment units, plumbing fixture supply stops, shutoff valves, faucets, convenience hose connections, and HVAC terminal devices and similar roughing-in connections of end-use fixtures and units. List tagged valves in valve schedule.

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

C. Tag Material: Brass.

D. Tag Size and Shape: According to the following:

1. Cold Water: 40 mm, round.

2. Cold Water: 50 mm, round.

3. Cold Water: 40 mm, square.

4. Cold Water: 50 mm, square.

5. Hot Water: 40 mm, round.

6. Hot Water: 50 mm, round.

7. Hot Water: 40 mm, square.

8. Hot Water: 50 mm, square.

9. Fire Protection: 40 mm, round.

10. Fire Protection: 50 mm, round.

11. Fire Protection: 40 mm, square.

12. Fire Protection: 50 mm, square.

13. Sprinkler: 40 mm, round.

14. Sprinkler: 50 mm, round.

15. Sprinkler: 40 mm, square.

16. Sprinkler: 50 mm, square.

17. Steam: 40 mm, round.

18. Steam: 50 mm, round.

July 13, 2009 Bid Set 15075-6 Mechanical Identification

19. Steam: 40 mm, square.

20. Steam: 50 mm, square.

E. Tag Color: According to the following:

1. Cold Water: Natural.

2. Hot Water: Natural.

3. Fire Protection: Natural.

4. Sprinkler: Natural.

5. Steam: Natural.

F. Letter Color: According to the following:

1. Cold Water: White.

2. Hot Water: White.

3. Fire Protection: White.

4. Sprinkler: White.

5. Steam: White.

G. Install mounted valve schedule in each major equipment room.

3.3 EQUIPMENT SIGNS AND MARKERS

A. Install engraved plastic-laminate signs or equipment markers on or near each major item of mechanical equipment. Include signs for the following general categories of equipment:

1. Main control and operating valves, including safety devices and hazardous units such as gas outlets.

2. Meters, gages, thermometers, and similar units.

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

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

5. Fans, blowers, primary balancing dampers, and mixing boxes.

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

7. Tanks and pressure vessels.

8. Strainers, filters, humidifiers, water-treatment systems, and similar equipment.

B. Optional Sign Types: Stenciled signs may be provided instead of engraved plastic, at Installer's option, where lettering larger than 25-mm high is needed for proper identification because of distance from normal location of required identification.

1. Lettering Size: Minimum 6 mm for name of units if viewing distance is less than 600 mm, 13 mm for viewing distances up to 1800 mm, and proportionately larger lettering for greater viewing distances. Include secondary lettering two-thirds to three-fourths the size of principal lettering.

2. Terms on Signs: Distinguish between multiple units, indicate operational requirements, indicate safety and emergency precautions, warn of hazards and improper operations, and identifyunits.

C. Plasticized Tags: Install within concealed space, to reduce amount of text in exposed sign outside concealment, if equipment to be identified is concealed above acoustical ceiling or similar concealment.

July 13, 2009 Bid Set 15075-7 Mechanical Identification

1. Identify operational valves and similar minor equipment items located in unoccupied spaces, including machine rooms, by installing plasticized tags.

D. Duct Systems: Identify air supply, return, exhaust, intake, and relief ducts with duct markers; or stenciled signs with arrows showing service and direction of flow.

1. Location: Locate signs near points where ducts enter into concealed spaces and at maximum intervals of 15 m in each space where ducts are exposed or concealed by removable ceiling system.

3.4 ADJUSTING AND CLEANING

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

B. Clean faces of identification devices and glass frames of valve charts.

July 13, 2009 Bid Set 15100-1 Valves

SECTION 15100

VALVES

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. This Section includes general duty valves common to several mechanical piping systems.

B. Related Sections: The following Sections contain requirements that relate to this Section:

1. Special purpose valves are specified in Division 15 piping system Sections.

2. Valve tags and charts are specified in Division 15 Section "Mechanical Identification."

1.3 SUBMITTALS

A. General: Submit each item in this Article according to the Conditions of the Contract and Division 1 Specification Sections.

B. Product Data for each valve type. Include body material, valve design, pressure and temperature classification, end connection details, seating materials, trim material and arrangement, dimensions and required clearances, and installation instructions. Include list indicating valve and its application.

C. Maintenance data for valves to include in the operation and maintenance manual specified in Division 1. Include detailed manufacturer's instructions on adjusting, servicing, disassembling, and repairing.

1.4 QUALITY ASSURANCE

A. Single-Source Responsibility: Comply with the requirements specified in Division 1 Section "Materials and Equipment," under "Source Limitations" Paragraph.

B. ASME Compliance: Comply with ASME B31.9 for building services piping and ASME B31.1 for power piping.

C. MSS Compliance: Comply with the various MSS Standard Practice documents referenced.

July 13, 2009 Bid Set 15100-2 Valves

1.5 DELIVERY, STORAGE, AND HANDLING

A. Prepare valves for shipping as follows:

1. Protect internal parts against rust and corrosion.

2. Protect threads, flange faces, grooves, and weld ends.

3. Set globe and gate valves closed to prevent rattling.

4. Set ball and plug valves open to minimize exposure of functional surfaces.

5. Set butterfly valves closed or slightly open.

6. Block check valves in either closed or open position.

B. Use the following precautions during storage:

1. Maintain valve end protection.

2. Store indoors and maintain valve temperature higher than ambient dew-point temperature. If outdoor storage is necessary, store valves off the ground in watertight enclosures.

C. Use a sling to handle large valves. Rig to avoid damage to exposed parts. Do not use handwheels and stems as lifting or rigging points.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Available Manufacturers: Subject to compliance with requirements, manufacturers offering products that may be incorporated in the Work include, but are not limited to, the following:

1. Gate Valves:

a. Crane Company; Valves and Fitting Division.

b. Hammond Valve Corporation.

c. Kitz Corp. of America.

d. Lunkenheimer/Cincinnati Valve Co.

e. Milwaukee Valve Company, Inc.

f. NIBCO Inc.

g. Powell: Wm. Powell Company (The).

h. Red-White Valve Corp.

i. Stockham Valves & Fittings, Inc.

2. Ball Valves:

a. Conbraco Industries, Inc.; Apollo Division.

b. Hammond Valve Corporation.

c. Milwaukee Valve Company, Inc.

d. NIBCO Inc.

e. Stockham Valves & Fittings, Inc.

f. Tyler Pipe.

July 13, 2009 Bid Set 15100-3 Valves

3. Plug Valves:

a. Grinnell Corp.

b. Huber: J.M. Huber Corp.; Flow Control Division (Resun Valves).

c. NIBCO Inc.

d. Stockham Valves & Fittings, Inc.

4. Globe Valves:

a. Crane Company; Valves and Fitting Division.

b. Hammond Valve Corporation.

c. Kitz Corp. of America.

d. Lunkenheimer/Cincinnati Valve Co.

e. Milwaukee Valve Company, Inc.

f. NIBCO Inc.

g. Powell: Wm. Powell Company (The).

h. Red-White Valve Corp.

i. Stockham Valves & Fittings, Inc.

5. Butterfly Valves:

a. Center Line, Mark Controls Corporation.

b. Crane Company; Valves and Fitting Division.

c. General Signal; DeZurik Unit.

d. Grinnell Corp.

e. Hammond Valve Corporation.

f. Keystone Valve USA, Inc.

g. Milwaukee Valve Company, Inc.

h. NIBCO Inc.

i. Red-White Valve Corp.

j. Stockham Valves & Fittings, Inc.

k. Tyler Pipe.

l. Ultraflo Corporation.

6. Swing Check Valves:

a. Cla-Val Co.

b. Crane Company; Valves and Fitting Division.

c. Hammond Valve Corporation.

d. Kitz Corp. of America.

e. Lunkenheimer/Cincinnati Valve Co.

f. Milwaukee Valve Company, Inc.

g. NIBCO Inc.

h. Powell: Wm. Powell Company (The).

i. Red-White Valve Corp.

j. Stockham Valves & Fittings, Inc.

7. Wafer Check Valves:

July 13, 2009 Bid Set 15100-4 Valves

a. Cla-Val Co.

b. Conbraco Industries, Inc.; Apollo Division.

c. Hammond Valve Corporation.

d. Keystone Valve USA, Inc.

e. Kitz Corp. of America.

f. Metraflex Company.

g. Milwaukee Valve Company, Inc.

h. NIBCO Inc.

i. Red-White Valve Corp.

j. Stockham Valves & Fittings, Inc.

k. Tyler Pipe.

l. Val-Matic Valve & Mfg. Corp.

8. Lift Check Valves:

a. Crane Company; Valves and Fitting Division.

b. Kitz Corp. of America.

c. Milwaukee Valve Company, Inc.

d. NIBCO Inc.

e. Powell: Wm. Powell Company (The).

f. Red-White Valve Corp.

g. Stockham Valves & Fittings, Inc.

2.2 BASIC, COMMON FEATURES

A. Design: Rising stem or rising outside screw and yoke stems, except as specified below.

1. Nonrising stem valves may be used only where headroom prevents full extension of rising stems.

B. Pressure and Temperature Ratings: As indicated in the "Application Schedule" of Part 3 of this Section and as required to suit system pressures and temperatures.

C. Sizes: Same size as upstream pipe, unless otherwise indicated.

D.