10-C25FI103184211R IFB Part 4 Technical Appendix 2 Book 4.pdf

PART 4

APPENDIX 2

BOOK 4

Requisition: C25FI103184211R

Specifications

All Stations Accessibility Program (ASAP) Logan Square Line California Station

BOOK 1

Division 01 General Requirements

01 11 00 Summary of Work 01 18 00 Project Utility Coordination 01 21 00 Allowances 01 21 16 Owner’s Contingency Allowance 01 29 10 Applications and Certifications for Payments 01 31 00 Project Management and Coordination 01 31 19 Project Meetings 01 31 23 Project Website 01 32 50 Construction Schedule 01 33 00 Submittal Procedures 01 35 00 Special Procedures 01 35 13 Special Procedures for Non-Rail Facilities 01 35 23 Owner Safety Requirements 01 35 91 01 35 96

Historic Treatment Procedures General Requirements for Construction Safety and Security Certification

01 42 00 References 01 43 00 Quality Assurance 01 45 00 Quality Control 01 45 23 Testing and Inspection Services 01 50 00 Temporary Facilities and Controls 01 55 00 Traffic Regulation 01 63 00 Product Substitution Procedures 01 73 29 Cutting and Patching 01 77 00 Closeout Procedures 01 78 00 Closeout Submittals 01 78 23 01 78 39

Operations and Maintenance Data Operation and Maintenance Asset Information

BOOK 2

Division 02 Existing Conditions

02 22 13 02 41 19

Vibration Monitoring Protocol Selective Structure Demolition

02 42 96 Historic Removal and Dismantling 02 71 10 Exterior Asbestos Abatement 02 72 00 Lead Abatement

Division 03 Concrete

03 20 10 Concrete Reinforcement Epoxy Coated

03 30 00 Cast-In-Place Concrete 03 61 11 Non-Shrink Grout 03 74 00 Concrete Repairs

Division 04 Masonry

04 80 00 Unit Masonry

Division 05 Metals

05 01 00 Post Install Anchors 05 03 71 Historic Decorative Metal Cleaning 05 10 30 Structural Steel 05 31 00 Steel Deck 05 42 00 Cold-Formed Metal Framing 05 50 00 Metal Fabrications 05 50 10 Barriers, High Barriers and Gates 05 50 20 Railings and Guardrails 05 51 05 Metal Stairs with Aluminum Treads 05 53 00 Metal Gratings 05 71 00 Perforated Metal Panels for Glazing Protection 05 80 10 Elastomeric Expansion Assemblies

Division 06 Wood

06 05 73 Fire Retardant Treated Wood for Exterior Applications 06 10 00 Rough Carpentry 06 15 10 Timber Platform Construction --- Fire Treated Wood 06 51 50 Fiberglass Handrails, Stair and Platform

Division 07 Thermal and Moisture Prevention

07 11 50 Bituminous Dampproofing 07 14 13 Hot Fluid-Applied Rubberized Asphalt Waterproofing 07 14 16 Cold Fluid-Applied Waterproofing 07 19 00 07 21 00

Bentonite Waterproofing Thermal Insulation

07 26 00 Vapor Retarders 07 27 26 Fluid-Applied Membrane Air Barriers (WRB) 07 41 10 Metal Roof Panels and Drip Pans 07 42 13 Metal Composite Material Wall Panels 07 52 60 Modified Bituminous Sheet Roofing --- Heat Welded 07 62 00 Sheet Metal Flashing and Trim 07 72 00 Roof Accessories 07 72 53 Snow Guards 07 81 00 Applied Fire Protection 07 84 13 Penetration Firestopping

07 84 43 Joint Firestopping 07 90 00 Joint Sealers 07 95 13 Expansion Joint Cover Assemblies

BOOK 3

Division 08 Openings

08 11 00 Standard Steel Doors and Frames (Temp Station) 08 13 00 Stainless Steel Doors and Frames 08 14 33 Stile and Rail Wood Doors 08 41 10 Aluminum Entrances and Framing 08 53 13 Vinyl Windows 08 71 00 Door Hardware 08 80 00 Glass and Glazing

Division 09 Finishes

09 21 00 Gypsum Board Assemblies 09 22 00 Portland Cement Plaster 09 30 10 Tactile Tile 09 90 00 Painting 09 96 23 Graffiti Resistant Coatings

Division 10 Specialties

10 14 26 ADA Signage Pedestal 10 20 00 Louvers and Vents 10 41 60 Transit Information Cabinets and Panels 10 42 50 Vitreous Enameled Steel Signs 10 42 60 Illuminated Signs 10 42 70 Fiberglass Embedded Signs 10 42 80 Aluminum Signs 10 42 90 Braille Tactile Signs 10 44 16 Fire Extinguishers and Cabinets 10 45 40 Rotogates 10 74 00 Station Platform Gap Filler and Enclosure

Division 11 Equipment

11 81 29 Facility Fall Protection

Division 12 Furnishings

12 67 20 Windbreaks 12 67 24 Stainless Steel Bench 12 87 11 Platform Sandboxes 12 93 13 Bicycle Racks 12 93 23 Station Trash Receptacle

Division 13 Special Construction

13 08 00 General Commissioning Requirements 13 39 00 Temporary Passenger and Employee Facilities

Division 14 Conveying Equipment

14 24 00 Hydraulic Elevators

Division 22 Plumbing

22 05 00 Common Work Results for Plumbing 22 05 17 Sleeves and Sleeve Seals for Plumbing Piping 22 05 18 Escutcheons for Plumbing Piping 22 05 19 Meters and Gages for Plumbing Piping 22 05 23 General-Duty Valves for Plumbing Piping 22 05 29 Hangers and Supports for Plumbing Piping and Equipment 22 05 48 Vibration Controls for Plumbing Piping and Equipment 22 05 53 Identification for Plumbing Piping and Equipment 22 07 00 Pipe Insulation 22 08 00 Commissioning of Plumbing 22 13 14 Plumbing for Underground Drainage 22 13 16 Sanitary Waste and Vent Piping 22 13 19 Sanitary Waste Piping Specialties 22 13 20 Sanitary Drains 22 13 29 Sanitary Sewerage Pumps 22 14 13 Storm Drainage Piping 22 14 23 Storm Drainage Piping Specialties 22 14 26 Prefabricated Trench Drain System 22 14 29 Sump Pumps 22 40 00 Plumbing Fixtures

BOOK 4

Division 23 Heating Ventilating and Air Conditioning

23 00 00 Heating, Ventilating and Air Conditioning 23 00 10 Ventilation 23 05 16 Expansion Fittings and Loops for HVAC Piping 23 05 17 Sleeves and Sleeve Seals for HVAC Piping 23 05 18 Escutcheons for HVAC Piping 23 05 48 Vibration Controls for HVAC Piping and Equipment 23 07 00 Mechanical Insulation 23 08 00 Commissioning of HVAC 23 23 00 Refrigerant Piping 23 81 26 Split-System Air Conditioners 23 83 33 Radiant Heating Units

Division 26 Electrical

26 01 00 General Provisions Electrical 26 03 00 Electrical Demolition 26 05 00 Raceways and Boxes 26 05 19 Low-Voltage Electrical Power Conductors and Cables 26 05 44 Sleeves and Sleeve Seals for Electrical Raceways and Cabling 26 05 53 Identification for Electrical Systems 26 10 00 Basic Electrical Materials and Methods 26 12 30 Wires Cables Splices Terminations 26 14 10 Wiring Devices 26 17 00 Local Control 26 17 50 Local Control Panels 26 19 00 Grounding 26 40 00 Switchboard 26 46 00 Dry Type Transformers 26 47 00 Panelboards 26 49 00 Generator Tap Box 26 50 10 Lighting Fixtures 26 55 60 LED Sign Box 26 75 00 Cabinet and Terminal Strips 26 77 00 Infrared Heating 26 95 00 Electrical Testing

Division 27 Communications

27 00 10 Communications General Provisions 27 05 26 Grounding and Bonding for Communication Systems 27 05 33 Conduit and Back Boxes for Communication Systems

27 11 16 Communication Cabinets, Racks and Enclosures 27 11 26 Communication Equipment Power System 27 15 23 Communications Fiber Optic Horizontal Cabling 27 21 10 Communications Backbone Network 27 21 29 Data Communication Switch 27 32 13 Telephone Sets 27 32 26 Help Point Telephone 27 42 16 Dynamic Message Sign 27 51 17 Public Address Speakers

Division 28 Electronic Safety and Security

28 16 19 Intrusion Detection Remote Devices and Sensors 28 23 13 Video Surveillance Control and Management Client 28 23 31 Closed Circuit Television Fixed Cameras 28 23 32 Closed Circuit Television PTZ Cameras 28 31 00 Fire Detection and Alarm System 28 46 11 SCADA Remote Terminal Unit

Division 31 Earthwork

31 09 13 Geotechnical and Structural Instrumentation and Monitoring 31 10 00 Site Clearing 31 15 00 Structural Shoring 31 20 00 Earthwork 31 23 19 Dewatering and Drainage 31 50 00 Excavation Support and Protection 31 63 33 Drilled Micropiles

Division 32 Exterior Improvements

32 12 00 Bituminous Concrete Pavements 32 13 00 Concrete Paving and Curbs 32 31 13 Chain Link Fences and Gates 32 90 00 Landscaping

Division 33 Utilities

33 05 00 Common Work Results for Utilities 33 05 29 Hangers and Supports for Utility System Piping and Equipment 33 41 00 Storm Utility Drainage Piping 33 68 00 Sewer Systems

Division 34 Transportation

34 42 38 Miscellaneous Components and Products 34 42 40 External Signal Cable 34 42 42 Signal Communications Fiber Optic Cable Plant 34 42 92 Signal Communications Copper Cabling

2015-0027.04 LS Line – California Station Issue for Bid All Stations Accessibility Program December 2024

Heating, Ventilating and Air Conditioning 23 00 00-1 CTA Specification, Rev. 1

SECTION 23 00 00

HEATING, VENTILATING AND AIR CONDITIONING

PART 1 GENERAL

1.01 SCOPE OF WORK

A. The Contractor shall furnish all labor, material, equipment, and services necessary to furnish Heating, Ventilating and Air Conditioning Systems at the location(s) shown on the Drawings and/or as specified herein.

1.02 RELATED DOCUMENTS

A. Drawings and general provisions of contract, including General and Special Conditions and Division 01 Specification Sections, apply to this Section.

1.03 RELATED WORK

A. Mechanical Insulation, Section 23 07 00.

1.04 QUALITY ASSURANCE

A. Reference Standards:

1. The American Society of Heating, Refrigeration Air Conditioning Engineers Guides (ASHRAE).

2. Sheet Metal and Air Conditioning Contractors' National Association, Inc.

SMACNA "HVAC Duct Construction Standards, Metal and Flexible", and SMACNA, "Manual for the Balancing and Adjusting of Air Distribution Systems".

3. The Underwriters' Laboratories (UL) listings or approvals shall govern quality and performance of the electrical products specified herein.

4. American National Standards Institute (ANSI) B31.5 Refrigeration Piping.

5. Chicago Electrical Code, latest edition.

6. American Society for Testing and Materials:

a. ASTM A36, Structural Steel.

b. ASTM A527, Steel Sheet, Zinc-Coated (Galvanized) by the Hot-Dip

Process, Lock-forming Quality.

c. ASTM B209 Aluminum-Alloy Sheet and Plate.

d. ASTM B32, Soldered Joints.

7. Federal Specifications:

a. FF-B-588C, Bolts, Toggle, and Expansion Sleeve (Screw).

b. FF-S-107C(2), Screws, Tapping and Drive.

c. FF-S-325, Shield, Expansion; Nail, Expansion and Nail Drive Screw

(Devices, Anchoring, Masonry).

8. National Fire Protection Association:

a. NFPA 90A, Standard for the Installation of Air Conditioning and Ventilating Systems.

b. NFPA 90B, Standard for the Installation of Warm Air Heating and Air Conditioning Systems.

c. NFPA 255, Method of Test of Surface Burning Characteristics of Building Materials.

2015-0027.04 LS Line – California Station All Stations Accessibility Program

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Heating, Ventilating and Air Conditioning 23 00 00-2 CTA Specification, Rev. 1

9. American Society of Mechanical Engineers (ASME).

10. National Electric Manufacturer's Association (NEMA).

11. AMCA Compliance, Test and rate air handling units in accordance with AMCA standards.

12. ARI Compliance, Test and rate air handling units in accordance with ARI 430

"Standard for Central-Station Air handling Units", display certification symbol on units of certified models.

13. ASHRAE Compliance, Construct and install refrigerant coils in accordance with ASHRAE 15 "Safety Code for Mechanical Refrigeration".

14. UL and NEMA Compliance, Provide electrical components required as part of air handling units, which have been listed and labeled by UL and comply with NEMA Standards.

15. NEC Compliance, Comply with National Electrical Code (NFPA 70) as applicable to installation and electrical connections of ancillary electrical components of air handling units.

16. City of Chicago Building Code.

17. American Welding Society (AWS).

1.05 SUBMITTALS

A. The Contractor shall furnish shop drawings, product data and samples in accordance with the requirements of Section 01 35 13 - Special Procedures for Non-Rail Facilities, and as required below:

1. Shop Drawings/Product Data:

a. Ductwork Layout & Details.

b. Ductwork Accessories.

c. Grilles, Registers, Diffusers, Gravity & Counter Balanced Dampers and

Louvers.

d. Fans.

e. Duct-Free Split Fan Coil and Air Cooled Condensing Units.

f. Forced Air Wall Heaters.

g. Air Filters.

h. Infrared Heaters.

i. Automatic Damper electric operators.

j. Refrigerant and Condensate Piping.

k. Piping and Duct Insulations.

l. Controls.

m. Thermostats.

2. The Contractor shall furnish operating instructions and maintenance recommendations/requirements:

a. Operation Instructions.

b. Manufacturer's Catalog Sheets.

c. System Line Diagrams.

d. Panel Layout Drawings.

3. Certificates:

a. Brazing Certification: Certify brazing procedures, brazers and operators in accordance with ASME standards (ANSI B31.5).

b. Welding Certification: Certify welding procedures, welders, and operators are in accordance with ASME and AWS Standards.

c. Americo.

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1.06 SEQUENCING/SCHEDULING

A. The Contractor shall schedule and perform tasks required for furnishing and installing the Heating, Ventilating and Air Conditioning Systems in conformance with the requirements of the accepted project schedule.

PART 2 PRODUCTS

2.01 SHEET METAL STANDARDS

A. Iron and Steel Sheets (Galvanized): Lock forming quality (LFQ) with 1-1/4 oz. (36 g) galvanizing total on both sides per sq. ft. (0.09 sq.m) of sheet.

2.02 DUCTWORK MATERIALS

A. General: The thickness of the sheet metal and size and spacing of the stiffeners used shall be in accordance with the requirements of the latest edition of the SMACNA, "HVAC Duct Construction Standards, Metal and Flexible". "Low Velocity Duct Construction Standards."

1. Low Pressure (Up to 2" S.P. (0.5 kPa) Ductwork: Construct in accordance with the requirements of the SMACNA "HVAC Duct Construction Standards, Metal and Flexible".

B. Material: Galvanized sheet steel unless otherwise specified.

C. Duct Sealant: All joints and seams in supply ductwork shall be sealed with fire resistive duct sealer. Sealer shall be buttered on seams and joints during fabrication and erection.

D. Acceptable Manufacturers:

1. Minnesota Mining and Manufacturing Co., Duct Sealer EC800.

2. Benjamin Foster, 30-02 Fire Resistive Duct Sealer.

3. United Sheet Metal, United Duct Sealer.

E. Connections and Details: Connections to diffusers, grille and register faces shall be absolutely airtight. All slip joints shall be made in the direction of flow, and unless otherwise indicated on the drawings, all radius elbows shall have a centerline radius equal to 1-1/2 times the width of the duct.

F. Rectangular Ductwork: Groove and Pittsburgh lock seams and slip joints shall be used for all rectangular ducts unless otherwise specified.

2.03 FLEXIBLE CONNECTIONS

A. General: Flexible fabric connections to prevent the transmission of vibration through the ducts shall be UL classified and shall be installed on both the supply and return sides of all fans and ventilating units and at building expansion joints, and approximately where shown on the drawings. Fabric used for flexible connections shall be of proper weight and strength for the service required, and shall be properly fitted to render it airtight. Fabric shall be of sufficient width to provide a minimum space of 4" (10 cm) between connected items, and with sufficient slack to prevent tearing due to fan movement.

B. Fabric - General Usage: 30-oz. (0.8 kg) fiber glass fabric, fire retardant and airtight, coated with neoprene on both sides, and with firmly attached extra wide galvanized metal edges.

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C. Acceptable Manufacturers:

1. Ventfabric Inc., Ventglas.

2. Elgen, Neoprene Fabriduct.

2.04 GRILLES, REGISTERS, DIFFUSERS, GRAVITY DAMPERS, COUNTER BALANCED

DAMPERS AND LOUVERS

A. General: Grilles, registers and diffusers shall be of the sizes indicated, with white finish coat unless otherwise specified, and shall be supplied with gaskets to prevent air leakage around side of units. Screw holes in frames shall be countersunk for flat head screws.

B. Exhaust Registers: Single deflection type with 3/4" blade spacing; horizontal 35o degree face bars and opposed blade dampers.

C. Supply Registers: Fully adjustable discharge pattern, 4-way pattern with opposed blade dampers.

D. Acceptable Manufacturers (See Appendix A):

1. Titus.

2. Metal Aire.

3. Carnes.

4. Krueger.

E. Dampers shall be heavy duty Ruskin (See Appendix A), Air Warming or Penn backdraft dampers or approved equal with counterbalancing as required. Frame shall be of .081" thick extruded aluminum and damper blades shall be .070" minimum thickness extruded aluminum.

F. Louvers shall be sized per drawings to fit in wall opening and be 4" and 6" deep as shown on the drawings, stainless steel with insect screen. Provide a stormproof design.

Acceptable manufacturers include Penn, Airstream, Ruskin (See Appendix A), Vent Products or approved equal.

2.05 FANS, GENERAL

A. Factory-built Units: Fans in Factory-Built Units shall be unit manufacturer's standard type, unless otherwise specifically indicated.

B. Identification: All fans shall bear metal identification plates indicating area served, CFM (cubic meters/second), H.P. (watts), RPM, SP (pascals), and size. Fan capacities shall be based on operating at the static pressures indicated at 70 degree F (21 degree C) and 29.92" (101 kPa) of mercury, barometric pressure. Fans shall bear the AMCA label.

2.06 EXHAUST FANS

A. Furnish and install where noted on the drawings propeller or in line blower type exhausters. Ventilator housings shall be of heavy gauge aluminum construction and shall be weatherproof, incorporating an integral weather shield. Ventilators shall be mounted on the roof curbs or in wall as shown on the drawings.

1. Fan wheels shall be propeller or centrifugal design that have been statically and dynamically balanced. Tip speed, rpm, and motor horsepower shall not exceed listing in manufacturer's catalog for unit specified.

2. Fans shall have integral factory-formed base fabricated to the dimensions shown

2015-0027.04 LS Line – California Station All Stations Accessibility Program

Heating, Ventilating and Air Conditioning 23 00 00-5 CTA Specification, Rev. 1 on the drawings. Housings shall be provided with wiring channel and are to be of the direct discharge design. Motor and fan assembly shall be on vibration isolating mounts. Fans shall have sizes as scheduled. Provide a speed controller located in the motor housing as scheduled on drawings. Sone level shall be limited to 18.0.

3. Fans shall be provided with integral unit mounted disconnect switches.

B. Belts: The fans, where specified, shall be connected to the driving motor by means of a V-belt drive, with a minimum of 2 strands, unless otherwise designated. 2-strand V-belt drives shall be designed for 100% overload capacity, multiple strand V-belt drives shall be designed for 50% overload capacity, and the motors for such drives shall be equipped with adjustable bases or slide rails. Multiple belts shall be matched. When replacement of one or more belts of a set is necessary, entire set shall be replaced with new matched belts. Multiple belts shall be so designed as to minimize whip, turn over and throw off.

C. Sheaves: It shall be the responsibility of the Contractor to see that all design static pressures are met. Provide adjustable sheaves for design static pressure. Provide adjustable sheaves for one or two-strand belt drives. Sheaves shall be selected to operate at the mid-point of the fan curve so as to allow adjustment in both directions. For multiple-strand drives, provide fixed sheaves. Replace fan sheaves as necessary to obtain desired results. All fan sheaves and motor sheaves shall be dynamically and statically balanced before assembly.

D. Wheels and Bearings: Wheels shall be heavily and rigidly constructed and accurately balanced both statically and dynamically, and be free from objectionable vibration or noises. Bearings shall be medium-duty, self-aligning, ball or roller bearing, sealed, pillow block type, and shall be complete with lubrication fittings, extended for easy access where necessary.

E. Acceptable Manufacturers (See Appendix A):

1. Loren Cook.

2. Greenheck.

3. Penn.

4. Or approved equal.

F. Shafts: Fabricate of steel, with first critical speed of wheel and shaft of not less than 1.25 times the maximum speed specified. All shafting be turned, ground and polished to close tolerances.

G. Fan Curves: Furnish performance curve data sheet with shop drawings of fans submitted for review. All fan performance ratings and data shall be AMCA certified ratings in accordance with Standard AMCA test code method and procedure.

2.07 IN-LINE EXHAUST FANS

A. General: Shall be complete with 120 volt, 60 hertz, direct drive single phase motor. Fans shall have true centrifugal wheel and backdraft damper. Housing shall be acoustically insulated galvanized steel. Sone level shall be limited to 18.0. Motor shall be matched to blower wheel assemblies. Fan motors shall be suitably grounded and mounted on vibration isolators.

B. Furnish and install where shown on drawings. Fans shall have sizes as scheduled.

C. Acceptable Manufacturers (See Appendix A):

1. Loren Cook.

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2. Penn.

3. Greenheck.

4. Or approved equal.

2.08 VIBRATION ISOLATION MOUNTS

A. General: Support in-line cabinet fans with double deflection neoprene mount type vibration isolators. Isolators shall have plated screws and washers and shall be of size required for the application, with .35 deflection.

B. Acceptable Manufacturers:

1. Mason Type NDA Black.

2. Vibration Mountings and Controls, Inc.

3. Or approved equal.

2.09 FAN-FORCED WALL HEATERS

A. Enclosures shall be constructed from minimum 16 gauge steel, commercial quality, suitable to withstand heavy duty use.

B. Enclosures shall be chemically treated to resist corrosion then finished in baked enamel and satin finished aluminum frame. Color shall be submitted for approval.

C. Back panel shall be painted, completely finished and suitable for installation on concrete block construction with applied finish scheduled on the Drawings.

D. Motor and blower fans are direct drive connection and mounted as a single assembly on rigid heavy gauge frame for long, vibration free life.

E. Steel finned metal sheath heating element shall be center anchored, and ensure noiseless expansion and contraction.

F. Units shall have overheat protection over the entire length of the element through a capillary type cut out. Overheat protection shall restore operation automatically when cause of overheat is removed from the element.

1. As scheduled or specified in the contract documents, furnish units with integral, adjustable thermostats.

G. Acceptable Manufacturers (See Appendix A):

1. Q-Mark.

2. Markel.

3. Trane.

4. Or approved equal.

2.10 REPLACEABLE (THROWAWAY) PANEL FILTERS

A. Description: Factory-fabricated, viscous-coated, flat-panel type, replaceable air filters with holding frames in sizes and having performance characteristics as required.

B. Media: Throwaway media of interlaced glass fibers, sprayed with nonflammable adhesive.

C. Frame: Cardboard frame with perforated metal retainer.

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D. Duct Holding Frames: 16-gage (0.9mm) galvanized steel capable of holding media and media frame in place, with gaskets to prevent unfiltered air bypass.

E. Acceptable Manufacturer:

1. American Air Filter Co.

2. Farr Co.

3. Continental Air Filters.

4. Cambridge Filter Corp.

2.11 REFRIGERATION PIPING MATERIALS AND PRODUCTS

A. General: Provide piping materials and factory-fabricated piping products of sizes, types, pressure ratings, temperature ratings, and capacities as required. Provide materials and products complying with ANSI B31.5 Code for Refrigeration Piping where applicable, base pressure rating on refrigerant piping system maximum design pressures. Provide sizes and types matching piping and equipment connections; provide fittings of materials which match pipe materials used in refrigerant piping systems.

2.12 BASIC PIPES AND PIPE FITTINGS

A. General: Provide pipe, tube, and fittings complying with Section-15050 Basic Mechanical Materials And Methods, in accordance with the following listing:

1. Tube Size 3/4" and Smaller: Copper Tube: Type ACR, soft annealed temper fittings; cast copper-alloy fittings for flared copper tubes; flared joints.

2. Soldered Joints: Solder joints using silver-lead solder, ASTM B 32, Grade 96 TS.

2.13 CONTROL DEVICES

A. Control devices are specified in Specification Section 15900, Controls.

2.14 AUTOMATIC DAMPERS

A. General: Automatic motorized dampers shall have frames of minimum 13 gauge (2.3mm) galvanized steel not less than 2" (50 mm) in width and aerodynamically formed blades of 16 gauge (1.5 mm) galvanized steel. Dampers shall be adequately braced to form a rigid assembly. No dampers shall have blades more than 4" (10 cm) wide. Length of blades shall be not more than 48" (122 cm). Blades shall be secured to ½" (13 mm) diameter zinc plated axles by zinc plated bolts and nuts. All blade bearings shall be nylon or bronze. Teflon coated thrust bearings shall be provided at each end of every blade to minimize torque requirements and insure smooth operation. All blade linkage hardware shall be constructed of corrosion resistant, zinc plated steel and brass.

B. Size and Selection: Dampers shall be suitable for operation within a temperature limit range of -40 to 200 degrees F. (-39.8 to 93 degrees C.) The control manufacturer shall submit leakage and flow characteristics plus a size schedule for all controlled dampers.

1. Dampers shall be of the parallel design with replaceable butyl, spring stainless steel or closed cell neoprene edging.

2. Dampers located adjacent to intake louvers shall be furnished in sizes as indicated.

C. Acceptable Manufacturers:

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1. Ruskin.

2. Vent Products.

3. Or approved equal.

2.15 ELECTRIC OPERATORS

A. General: Actuators for dampers shall be two-position line voltage (120 Volt AC) with manually adjustable minimum position and with lock, reversing type as required by the application. Where specified or required by the application, actuators shall have a spring mechanism to return the damper to a predetermined position in the event of a power interruption. Actuators shall have position indicators to show the position of the actuator over the full stroke.

B. Damper Operation Locations: Damper motors shall be installed and attached to the frame of the damper, and connected to an extended shaft, as required, in order to meet the specific conditions of the job.

C. Acceptable Manufacturers:

1. Honeywell.

2. Ruskin.

3. Barber-Coleman.

4. Siebe.

5. Siemens.

6. Or approved equal.

2.16 MISCELLANEOUS EQUIPMENT

A. Provide necessary two-position, capacity and electric sequencing relays and miscellaneous items required for the successful operation and sequencing of the systems herein specified. Relays and switches shall be UL listed, and of voltage and current characteristics to meet application.

PART 3 EXECUTION

3.01 INSPECTION

A. Examine areas and conditions under which units shall be installed. Do not proceed with work until unsatisfactory conditions have been corrected in manner acceptable to Installer.

3.02 EQUIPMENT INSTALLATION

A. The following mechanical equipment shall be installed, wired with controls and placed in operating condition.

1. Fans as listed in Exhaust Fan Schedule.

2. Automatic Dampers.

3. Ductless Split Fan Coil and Outdoor Condenser.

4. Power Roof Ventilators.

5. Forced-Fan Wall Heaters.

6. Air Filters.

7. Infrared Heaters.

8. Ductwork.

9. Grilles, Registers, Diffusers, Gravity and Counter Balanced Dampers and

Louvers.

2015-0027.04 LS Line – California Station All Stations Accessibility Program

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B. Electric wall mounted disconnect switch shall be furnished, installed and wired under Division 16.

C. All necessary starters for exhaust fan motors as shown on electric schematic diagrams shall be furnished, installed and wired under Division 16.

3.03 INSTALLATION OF REFRIGERANT PIPING

A. General: Install refrigerant piping in compliance with equipment manufacturer's recommendations.

B. Install refrigerant piping with 1/4" per foot (1%) downward slope in direction of oil return to compressor. Provide oil traps and double risers where indicated, and where required to provide oil return.

C. Clean refrigerant piping by swabbing with dry lintless (linen) cloth, followed by refrigerant oil soaked swab. Remove excess oil by swabbing with cloth soaked in high flash point petroleum solvent, squeezed dry.

D. Bleed dry nitrogen through refrigerant piping during brazing operations.

3.04 INSTALLATION OF REFRIGERATION PIPING SPECIALTIES

A. Install piping specialties in accordance with requirements of Section-15050 Basic Mechanical Materials And Methods.

3.05 INSTALLATION OF REFRIGERATION PIPING SUPPORTS AND ANCHORS

A. Install supports and anchors in accordance with requirements of Section-15050 Basic Mechanical Materials And Methods.

3.06 INSTALLATION OF SPECIAL REFRIGERANT VALVES

A. General: Install refrigerant valves where indicated, and in accordance with manufacturer's instructions. Remove accessible internal parts before soldering or brazing, replace after joints are completed.

B. Repair or replace refrigerant piping as required to eliminate leaks, and retest as specified to demonstrate compliance.

3.07 DEHYDRATION AND CHARGING REFRIGERATION SYSTEM

A. Evacuate refrigerant system with vacuum pump, until temperature of 35 degrees F (2 degrees C) is indicated on vacuum dehydration indicator.

B. During evacuation, apply heat to pockets, elbows, and low spots in piping.

C. Maintain vacuum on system for minimum of 5 hours after closing valve between vacuum pump and system.

D. Break vacuum with refrigerant gas, allow pressure to build up to 2 psi.

E. Complete charging of system, using new filter dryer core in charging line. Provide full operating charge.

3.08 INSTALLATION OF FAN FORCED WALL HEATER.

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A. Install heaters as indicated, in accordance with equipment manufacturer's written instructions, and with recognized industry practices, to ensure that heating terminal equipment fulfills requirements. Comply with applicable installation requirements of NEC and NECA's "Standard of Installation".

B. Coordinate with electrical work, including wiring/cabling work, as necessary to interface installation of heating terminals with other work.

C. Clean dust and debris from heater as it is installed to ensure cleanliness.

D. Comb out damaged fins where bent or crushed before covering elements with enclosures.

E. Touch-up scratched or marred heater enclosure surfaces to match original finishes.

F. Tighten connectors and terminals, including screws and bolts, in accordance with equipment manufacturer's published torque tightening values for equipment connectors.

Where manufacturer's torquing requirements are not indicated, tighten connectors and terminals to comply with tightening torques specified in UL Std. 486A.

G. Grounding:

1. Provide equipment grounding connections as indicated. Tighten connections to comply with tightening torque values specified in UL Std. 486A to assure permanent and effective grounds.

3.09 INSTALLATION OF AIR FILTERS

A. Install filter frames level and plumb, following manufacturer's written instructions, rough-in drawings, the original design, and referenced standards.

B. Install air filters and holding devices of types indicated and where shown following air filter manufacturer's written instructions and with recognized industry practices to ensure that filters comply with requirements and serve intended purposes.

C. Locate each filter unit accurately in position indicated in relation to other work. Position unit with clearance for normal service and maintenance. Anchor filter holding frames to substrate.

D. Install filters in position to prevent passage of unfiltered air.

3.10 CONNECTIONS

A. Coordinate filter installations with fans, dampers, duct and air conditioning unit installations.

3.11 CLEANING

A. After testing, adjusting, and balancing air conditioning and air-distribution systems, clean outside air intake and clean filter housings and install new filter media.

3.12 ELECTRICAL WIRING

A. General: Install electrical devices furnished by manufacturer but not specified to be factory-mounted.

B. Verify that electrical wiring installation is in accordance with manufacturer's submittal and

2015-0027.04 LS Line – California Station All Stations Accessibility Program

Heating, Ventilating and Air Conditioning 23 00 00-11 CTA Specification, Rev. 1 installation requirements of Division-16 sections. Do not proceed with equipment start-up until wiring installation is acceptable to the Authority.

3.13 ADJUSTMENT AND CLEANING

A. General: After construction is completed, including painting, clean unit exposed surfaces, vacuum clean terminal coils and inside of cabinets.

B. Retouch any marred or scratched surfaces of factory-finished cabinets, using finish materials furnished by manufacturer.

C. Install new filter units for terminals requiring same.

3.14 TESTING

A. Upon completion of installation of heating terminals and after building circuitry has been energized, test heating terminals to demonstrate operability and compliance with requirements. Where possible, field correct malfunctioning units, then retest to demonstrate compliance.

END OF SECTION

2015-0027.04 LS Line – California Station All Stations Accessibility Program

Ventilation 23 00 10-1 CTA Specification, Rev. 1

SECTION 23 00 10

VENTILATION

PART 1 GENERAL

1.01 SCOPE OF WORK

A. The Contractor shall furnish all labor, material, equipment and services necessary to furnish ventilating systems including exhaust fans and ductwork at the locations shown on the Drawings and/or as specified herein.

1.02 RELATED DOCUMENTS

A. Drawings and Division 01 Specification Sections, apply to this Section.

1.03 RELATED WORK

A. Division 26 Sections, Electrical.

1.04 QUALITY ASSURANCE

A. Reference Standards:

1. Sheet Metal and Air Conditioning Contractors' National Association, Inc.

SMACNA "HVAC Duct Construction Standards, Metal and Flexible".

2. The Underwriters' Laboratories (UL) listings or approvals shall govern quality and performance of the electrical products specified herein.

3. Chicago Electrical Code, latest edition.

4. American Society for Testing and Materials:

a. ASTM A527, Steel Sheet, Zinc-Coated (Galvanized) by the Hot-Dip Process, Lock-forming Quality.

b. ASTM B32, Soldered Joints

5. National Fire Protection Association:

a. NFPA 90A, Standard for the Installation of Air Conditioning and Ventilating Systems.

b. NFPA 255, Method of Test of Surface Burning Characteristics of Building Materials.

6. American Society of Mechanical Engineers (ASME).

7. National Electric Manufacturer's Association (NEMA).

8. AMCA Publications 211 and 311.

9. AMCA Certified Ratings Program for sound and air performance.

10. AMCA Standard 204-05, Balance Quality and Vibration Levels for Fans.

1.05 SUBMITTALS

A. The Contractor shall furnish shop drawings, product data and samples in accordance with the requirements of Division 01 Section, Submittals.

1. Product Data:

a. Ductwork Materials.

b. Ductwork Accessories.

c. Grilles, Registers, Diffusers, Louvers.

2015-0027.04 LS Line – California Station All Stations Accessibility Program

Ventilation 23 00 10-2 CTA Specification, Rev. 1

d. Exhaust Fans.

e. Controls.

2. Specifications, wiring diagram, ratings and installation instructions for exhaust fans.

3. Shop Drawings:

a. Ductwork layout and details.

4. The Contractor shall furnish operating instructions and maintenance recommendations/requirements in accordance with the requirements of Division 01 Section, Project Closeout, for exhaust fans and controls.

1.06 SEQUENCING/SCHEDULING

A. The Contractor shall schedule and perform tasks required for furnishing and installing the ductwork and exhaust fans in conformance with the requirements of the accepted project schedule.

1.07 WARRANTY

A. All materials, installation, equipment, connections and controls shall be warrantied for a period of one year after date of final acceptance. Make any required repairs or replacements during that time period to the satisfaction of the Authority and at no cost to the Authority.

PART 2 PRODUCTS

2.01 SHEET METAL STANDARDS

A. Iron and Steel Sheets (Galvanized): Lock forming quality (LFQ) with 1-1/4 oz. (36 g) galvanizing total on both sides per sq. ft. (0.09 sq.m) of sheet.

2.02 DUCTWORK MATERIALS

A. General: The thickness of the sheet metal and size and spacing of the stiffeners used shall be in accordance with the requirements of the latest edition of the SMACNA, "HVAC Duct Construction Standards, Metal and Flexible". "Low Velocity Duct Construction Standards."

1. Low Pressure (Up to 2" S.P. (0.5 kPa) Ductwork: Construct in accordance with the requirements of the SMACNA "HVAC Duct Construction Standards, Metal and Flexible".

B. Material: Galvanized sheet steel unless otherwise specified.

C. Duct Sealant: All joints and seams in supply ductwork shall be sealed with fire resistive duct sealer. Sealer shall be buttered on seams and joints during fabrication and erection.

D. Acceptable Manufacturers:

1. Minnesota Mining and Manufacturing Co., Duct Sealer EC800.

2. Benjamin Foster, 30-02 Fire Resistive Duct Sealer.

3. United Sheet Metal, United Duct Sealer.

E. Connections and Details: Connections to diffusers, grille and register faces shall be absolutely airtight. All slip joints shall be made in the direction of flow, and unless otherwise indicated on the drawings, all radius elbows shall have a centerline radius

2015-0027.04 LS Line – California Station All Stations Accessibility Program

Ventilation 23 00 10-3 CTA Specification, Rev. 1 equal to 1-1/2 times the width of the duct.

F. Circular Ductwork: Groove and Pittsburgh lock seams and slip joints shall be used for all ducts unless otherwise specified.

2.04 GRILLES, REGISTERS, DIFFUSERS, AND LOUVERS

A. General: Grilles, registers, diffusers and louvers shall be of the sizes indicated, stainless steel unless otherwise specified, and shall be supplied with gaskets to prevent air leakage around side of units. Screw holes in frames shall be countersunk for flat head screws.

B. Exhaust Registers: Single deflection type with 3/4" blade spacing; horizontal 35o degree face bars and opposed blade dampers.

C. Acceptable Manufacturers:

1. Titus.

2. Metal Aire.

3. Carnes.

4. Krueger.

2.05 FANS, GENERAL

A. Factory-built Units: Fans in Factory-Built Units shall be unit manufacturer's standard type, unless otherwise specifically indicated.

B. Identification: All fans shall bear metal identification plates indicating area served, CFM (cubic meters/second), H.P. (watts), RPM, SP (pascals), and size. Fan capacities shall be based on operating at the static pressures indicated at 70 degree F (21 degree C) and 29.92" (101 kPa) of mercury, barometric pressure. Fans shall bear the AMCA label.

2.06 EXHAUST FANS

A. Furnish and install where noted on the drawings, duct mounted, direct driven centrifugal square inline exhaust fan.

1. Fan shall be of bolted construction utilizing galvanized or stainless steel fasteners.

2. Housing shall be minimum 18 gauge galvanized steel with integral duct collars.

3. Bolted access doors shall be provided on three sides, sealed with closed cell neoprene gasketing.

4. Fan shall be suitable for either vertical or horizontal installation.

5. Unit shall bear an engraved aluminum nameplate indicating design CFM and static pressure.

B. Fan wheel to be centrifugal backward inclined, aluminum, including a machined cast aluminum hub.

1. An aerodynamic aluminum inlet cone shall be provided for maximum performance and efficiency, balanced in accordance with AMCA Standard 204- 05.

C. Motor for exhaust fan to be heavy duty type with permanently lubricated sealed bearings and furnished at the specified voltage, phase and enclosure.

D. Size and CFM’s for in line exhaust fans as shown or indicated on the drawings.

2015-0027.04 LS Line – California Station All Stations Accessibility Program

Ventilation 23 00 10-4 CTA Specification, Rev. 1

E. Control of fan shall be by on-off toggle switch. See drawings for location.

E. Exhaust fan shall be model SQN-D as manufactured by Loren Cook Co., Springfield, Mo.

or other acceptable manufacturers:

1. Loren Cook.

2. Greenheck.

3. Penn.

4. Or approved equal.

PART 3 EXECUTION

3.01 INSPECTION

A. Examine areas and conditions under which fans, grilles, registers, diffusers, louvers and ductwork shall be installed. Do not proceed with work until unsatisfactory conditions have been corrected in manner acceptable to Installer.

3.02 EQUIPMENT INSTALLATION

A. The following mechanical equipment shall be installed, wired with controls and placed in operating condition according to the manufacturer’s instructions:

1. Exhaust Fans.

5. Ductwork.

6. Grilles, Registers, Diffusers, and Louvers.

3.03 ELECTRICAL WIRING

A. General: Install electrical devices furnished by manufacturer but not specified to be factory-mounted.

B. Verify that electrical wiring installation is in accordance with manufacturer's submittal and installation requirements of Division 26 sections. Do not proceed with equipment start-up until wiring installation is acceptable to the Authority.

3.04 ADJUSTMENT AND CLEANING

A. General: After construction is completed, including painting, clean unit exposed surfaces, vacuum clean inside of housings.

B. Retouch any marred or scratched surfaces of factory-finished cabinets, using finish materials furnished by manufacturer.

3.05 TESTING

A. Upon completion of installation and after building circuitry has been energized, test fans to demonstrate operability and compliance with requirements. Where possible, field correct malfunctioning units, then retest to demonstrate compliance.

END OF SECTION

2015-0027.04 LS Line – California Station All Stations Accessibility Program

Expansion Fittings and Loops for HVAC Piping 23 05 16 - 1 CTA Specification, Rev. 0

SECTION 23 05 16

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. Flexible, ball-joint packed expansion joints.

2. Slip-joint, packed expansion joints.

3. Metal, compensator packless expansion joints.

4. Rubber union connector packless expansion joints.

5. Flexible-hose packless expansion joints.

6. Metal-bellows packless expansion joints.

7. Externally pressurized metal-bellows packless expansion joints.

8. Rubber packless expansion joints.

9. Grooved-joint expansion joints.

10. Alignment guides and anchors.

11. Pipe loops and swing connections.

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 joints, 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.

2015-0027.04 LS Line – California Station All Stations Accessibility Program

Expansion Fittings and Loops for HVAC Piping 23 05 16 - 2

1.5 CLOSEOUT SUBMITTALS

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

1.6 QUALITY ASSURANCE

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

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 PACKED EXPANSION JOINTS

A. Flexible, Ball-Joint Packed Expansion Joints:

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

a. Advanced Thermal Systems, Inc.

b. Hyspan Precision Products, Inc.

c. Mason Industries, Inc.

2. Standards: ASME Boiler and Pressure Vessel Code: Section II, "Materials"; ASME B31.9, "Building Services Piping," for materials and design of pressure-containing parts and bolting.

3. Material: Carbon-steel assembly with asbestos-free composition packing.

4. Design: Provide 360-degree rotation and angular deflection.

5. Minimum Pressure Rating: 250 psig at 400 deg F .

6. Angular Deflection for NPS 6 (DN 150) and Smaller: 30 degree minimum.

7. Angular Deflection for NPS 8 (DN 200) and Larger: 15 degree minimum.

8. Seal Type: Two carbon steel and graphite seals suitable for continuous operation at temperature up to 650 deg F.

9. Internal Ball: Plated with minimum 1-mil chrome cover.

10. Ball Socket: One- or two-piece design with integral socket/retainer.

a. Stuffing Box: Incorporates containment seals and compression seals for containment of injectable packing.

b. Packing Cylinders: Provides packing under full line pressure with check valves to prevent blowback.

2015-0027.04 LS Line – California Station All Stations Accessibility Program

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Expansion Fittings and Loops for HVAC Piping 23 05 16 - 3

11. End Connections for NPS 2 (DN 50) and Smaller: Threaded.

12. End Connections for NPS 2-1/2 (DN 65) and Larger: Flanged.

B. Slip-Joint Packed Expansion Joints:

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

a. Adsco Manufacturing LLC.

b. Advanced Thermal Systems, Inc.

c. Hyspan Precision Products, Inc.

d. Mason Industries, Inc.

2. Standard: ASTM F 1007.

3. Material: Carbon steel with asbestos-free PTFE packing.

4. Design: With internal guide and injection ports for repacking under full system pressure.

Housing shall be furnished with drain ports and lifting ring. Include drip connection if used for steam piping.

5. Configuration: Single joint, Single joint with base and double joint with base class(es), unless otherwise indicated.

6. Slip Tube for sizes NPS 1-1/2 (DN 40) through NPS 16 (DN 400): Schedule 80.

7. Slip Tube for sizes NPS 18 (DN 450) through NPS 24 (DN 600): Schedule 60.

8. Sliding Surface: 2 mil thick chrome finish.

9. End Connections: Flanged or welded ends to match piping system.

2.3 PACKLESS EXPANSION JOINTS

A. Metal, Compensator Packless Expansion Joints:

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

a. Flex-Hose Co., Inc.

b. Flexicraft Industries.

c. Flex-Weld, Inc.

d. Hyspan Precision Products, Inc.

e. Mason Industries, Inc.

f. Metraflex Company (The).

2. Minimum Pressure Rating: , 200 psig, or as otherwise indicated.

3. Description: Totally enclosed, externally pressurized, multi-ply bellows isolated from fluid flow by an internal pipe sleeve and external housing.

4. Joint Axial Movement: 2 inches of compression and 1/2 inch of extension.

5. Configuration for Copper Tubing: Multi-ply, phosphor-bronze bellows with copper pipe ends.

a. End Connections for Copper Tubing NPS 2 (DN 50) and Smaller: Solder joint or threaded, as approved.

b. End Connections for Copper Tubing NPS 2-1/2 to NPS 4 (DN 65 to DN 100):

Threaded.

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Expansion Fittings and Loops for HVAC Piping 23 05 16 - 4

6. Configuration for Steel Piping: Multi-ply, stainless-steel bellows; steel-pipe end connections;

and carbon-steel shroud.

a. End Connections for Steel Pipe NPS 2 (DN 50) and Smaller: Threaded.

b. End Connections for Steel Pipe NPS 2-1/2 to NPS 4 (DN 65 to DN 100): Flanged, Threaded or Welded, as selected.

B. Rubber Union Connector Expansion Joints:

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

a. Amber/Booth Company, Inc.; a VMC Group Company.

b. Flex-Hose Co., Inc.

c. Flexicraft Industries.

d. General Rubber Corporation.

e. Mason Industries, Inc.

f. Proco Products, Inc.

g. Unaflex.

h. Unisource Manufacturing, Inc.

2. Material: Twin reinforced-rubber spheres with external restraining cables.

3. Minimum Pressure Rating: 150 psig at 170 deg F, unless otherwise indicated.

4. End Connections for NPS 2 (DN 50) and Smaller: Threaded.

C. Flexible-Hose Packless Expansion Joints:

1. Manufacturers: Subject to compliance with…