SWE#250020.01 000110 - 1 Table of Contents

DOCUMENT 000110

TABLE OF CONTENTS

Number Title

Division 23 - Heating, Ventilating, and Air Conditioning (HVAC)

231102 Facility Fuel Piping

233113 Metal Ductwork

233300 Air Duct Accessories

Division 26 - Electrical

260500 General Electrical Provisions

260501 Electrical Demolition

260519 Low-Voltage Electrical Power Conductors and Cables

260526 Grounding and Bonding for Electrical Systems

260529 Hangers and Supports for Electrical Systems

260533 Raceways and Boxes For Electrical Systems

260548 Seismic Controls For Electrical Systems

260553 Identification for Electrical Systems

260572 Overcurrent Protective Device Short-Circuit and Arc Flash Study

262413 Switchboards

262416 Panelboards

263213 Standby Generation System

263600 Transfer Switches

END OF SECTION

SWE#250020.01 231102 - 1 Facility Fuel Piping

SECTION 231102

FACILITY FUEL PIPING

PART 1 GENERAL

1.1 SECTION INCLUDES

A. Fuel Oil System Piping.

1.2 ACTION SUBMITTALS

A. Provide submittals for products listed in the Product Table below in accordance with Section 23 05 00 - General HVAC Provisions. Submittal requirements indicated by column number designation as follows:

1. Materials List.

2. Product Data.

PART 2 PRODUCTS

2.1 FUEL OIL SYSTEM PIPING

A. Above ground and inside building.

1. Piping: ASTM A53, schedule 40 black steel. Threaded ends and couplings, threaded ends without couplings, square cut with plain ends, grooved ends for mechanical couplings, or ends beveled for welding.

2. Fittings, Unions, and Equipment Connections:

a. Pipe Fittings.

1) Up to 2 inches - ANSI B16.3, malleable-iron, 150 lb., black threaded.

2) 2-1/2 inches and larger - ANSI B16.9, factory-made, wrought-steel, 150 lb., butt-welded fittings.

b. Unions and Equipment Connections:

1) Up to 2 inches - threaded.

2) Greater than 2-1/2 inches: ANSI B16.5, carbon steel fittings, socket welded or butt-welded flanged fittings; 150 lb. Gasket compatible with flowing media and the temperatures at which the system operates.

PART 3 EXECUTION

3.1 INSTALLATION

A. Install in accordance with manufacturer’s recommendations and as specified.

3.2 FUEL OIL SYSTEM PIPING

A. Inspection: Do not cover or conceal piping covered until it has been first tested, inspected and approved.

B. Steel Piping:

1. Threaded: ANSI B2.1, NPT.

a. Cut threads full and clean with sharp dies.

b. Ream ends of pipe after threading and before assembly to remove burrs.

c. Leave not more than three pipe threads exposed at each connection.

SWE#250020.01 231102 - 2 Facility Fuel Piping

d. Use joint compound or thread tape on male thread only in making joints.

2. Welded: In accordance with ASME B31 and ASME Boiler and Pressure Vessel Code.

3. Flanged:

a. Tighten flange bolts so that gasket is uniformly compressed and sealed.

b. Do Not distort flanges.

c. Leave flange bolts with ends projecting 1/8 to 3/8 inch beyond the face of nut after tightening.

C. Testing: Test in accordance with manufacturer's recommendations. As a minimum, conduct cyclic pressure test, subject piping to six (6) cycles at 75 psi. Maintain pressure for four (4) hours per cycle. Inspect piping for leaks at end of each cycle.

3.3 FIELD QUALITY CONTROL

A. Piping Cleaning:

1. All piping shall be shipped sealed with plastic or suitable end cap to the job site and kept sealed until construction is complete. Inspect piping upon delivery to site. Store piping out of the weather at all times.

B. Pipe Hydrostatic Testing: Perform hydrostatic testing in accordance with 23 08 12 Testing.

C. All tests shall be logged as to date and time and pressure at start and end of test.

Owner’s Authorized Representative shall witness and approve tests.

SWE#250020.01 233113 - 1 Metal Ductwork

SECTION 233113

METAL DUCTWORK

PART 1 GENERAL

1.1 SUMMARY

A. Section Includes metal ductwork, liner, and related fittings and sealants.

1.2 PERFORMANCE REQUIREMENTS

A. Duct construction, including sheet metal thicknesses, seam and joint construction, reinforcements, and hangers and supports, shall comply with SMACNA's "HVAC Duct Construction Standards - Metal and Flexible" and performance requirements and design criteria indicated in "Duct Schedule" Article.

B. Structural Performance: Duct hangers and supports shall withstand the effects of gravity and seismic loads and stresses within limits and under conditions described in

SMACNA's "HVAC Duct Construction Standards - Metal and Flexible."

C. Airstream Surfaces: Surfaces in contact with the airstream shall comply with requirements in ASHRAE 62.1.

1.3 ACTION SUBMITTALS

A. See Section 230500 for general submittal requirements.

B. Materials List:

1. Shop fabricated ductwork:

C. Catalog Data:

1. Pre-manufactured Ductwork and Fittings.

2. Duct Liner.

1.4 QUALITY ASSURANCE

A. Welding Qualifications: Qualify procedures and personnel according to the following:

1. AWS D1.1/D1.1M, "Structural Welding Code - Steel," for hangers and supports.

2. AWS D1.2/D1.2M, "Structural Welding Code - Aluminum," for aluminum supports.

3. AWS D9.1M/D9.1, "Sheet Metal Welding Code," for duct joint and seam welding.

B. Comply with applicable requirements in ASHRAE 62.1, Section 5 - "Systems and

Equipment" and Section 7 - "Construction and System Start-up."

C. Comply with applicable requirements in ASHRAE/IESNA 90.1, Section 6.4.4 - "HVAC

System Construction and Insulation."

SWE#250020.01 233113 - 2 Metal Ductwork

PART 2 PRODUCTS

2.1 GENERAL REQUIREMENTS

A. Delegated Duct Design:

1. Duct construction, including sheet metal thicknesses, seam and joint construction, reinforcements, and hangers and supports, shall comply with SMACNA's "HVAC Duct Construction Standards - Metal and Flexible" and with performance requirements and design criteria indicated in "Duct Schedule" Article.

B. Ductwork Dimensions: Ductwork dimensions shown on drawings are internal dimensions.

Adjust outer ductwork size to accommodate liner, double wall construction, or other conditions that would affect interior clear duct opening size.

2.2 SINGLE-WALL RECTANGULAR DUCTS AND FITTINGS

A. General Fabrication Requirements: Comply with SMACNA's "HVAC Duct Construction Standards - Metal and Flexible" based on indicated static-pressure class unless otherwise indicated.

B. Transverse Joints: Select joint types and fabricate according to SMACNA's "HVAC Duct Construction Standards - Metal and Flexible," Figure 2-1, "Rectangular Duct/Transverse

Joints," for static-pressure class, applicable sealing requirements, materials involved, duct-support intervals, and other provisions in SMACNA's "HVAC Duct Construction Standards - Metal and Flexible."

C. Longitudinal Seams: Select seam types and fabricate according to SMACNA's "HVAC Duct Construction Standards - Metal and Flexible," Figure 2-2, "Rectangular

Duct/Longitudinal Seams," for static-pressure class, applicable sealing requirements, materials involved, duct-support intervals, and other provisions in SMACNA's "HVAC Duct Construction Standards - Metal and Flexible."

D. Elbows, Transitions, Offsets, Branch Connections, and Other Duct Construction: Select types and fabricate according to SMACNA's "HVAC Duct Construction Standards - Metal and Flexible," Chapter 4, "Fittings and Other Construction," for static-pressure class, applicable sealing requirements, materials involved, duct-support intervals, and other provisions in SMACNA's "HVAC Duct Construction Standards - Metal and Flexible."

E. Sealing Requirements:

1. Concealed: Seal longitudinal seams and transverse joints with liquid duct sealer .

Flanged, gasketed joints that meet seal requirements do not require separate duct sealant application or tape-and-adhesive.

2. Exposed: Seal non-flanged transverse joints with liquid duct sealer, specified herein, applied to male end fittings only, so that sealer is not visible when joint is assembled.

3. Welded Seam and Joints: Provide continuous air-tight seams and joints for ductwork, fittings, and connections where indicated in “Ductwork Schedule”.

2.3 SINGLE-WALL ROUND AND FLAT-OVAL DUCTS AND FITTINGS

A. General Fabrication Requirements: Comply with SMACNA's "HVAC Duct Construction Standards - Metal and Flexible," Chapter 3, "Round, Oval, and Flexible Duct," based on indicated static-pressure class unless otherwise indicated.

SWE#250020.01 233113 - 3 Metal Ductwork

B. General: Round ductwork may be either shop or factory fabricated. Flat-oval ductwork shall be factory fabricated.

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

1. McGill AirFlow LLC.

2. MKT Metal Manufacturing.

3. Sheet Metal Connectors, Inc.

4. Spiral Manufacturing Co., Inc.

5. Streimer Sheet Metal, Inc.

D. Flat-Oval Ducts: Indicated dimensions are the duct width (major dimension) and diameter of the round sides connecting the flat portions of the duct (minor dimension).

E. Transverse Joints: Select joint types and fabricate according to SMACNA's "HVAC Duct Construction Standards - Metal and Flexible," Figure 3-1, "Round Duct Transverse

Joints," for static-pressure class, applicable sealing requirements, materials involved, duct-support intervals, and other provisions in SMACNA's "HVAC Duct Construction Standards - Metal and Flexible."

1. Transverse Joints in Ducts Larger Than 60 Inches in Diameter: Flanged.

F. Longitudinal Seams: Select seam types and fabricate according to SMACNA's "HVAC Duct Construction Standards - Metal and Flexible," Figure 3-2, "Round Duct Longitudinal

Seams," for static-pressure class, applicable sealing requirements, materials involved, duct-support intervals, and other provisions in SMACNA's "HVAC Duct Construction Standards - Metal and Flexible."

1. Fabricate round ducts larger than 90 inches in diameter with butt-welded longitudinal seams.

2. Fabricate flat-oval ducts larger than 72 inches in width (major dimension) with butt-welded longitudinal seams.

G. Tees and Laterals: Select types and fabricate according to SMACNA's "HVAC Duct Construction Standards - Metal and Flexible," Figure 3-5, "90 Degree Tees and Laterals," and Figure 3-6, "Conical Tees," for static-pressure class, applicable sealing requirements, materials involved, duct-support intervals, and other provisions in SMACNA's "HVAC Duct Construction Standards - Metal and Flexible."

H. Sealing Requirements:

1. Concealed: Flanged, gasketed joints that meet seal requirements do not require separate duct sealant application.

2. Exposed: Seal non-flanged transverse joints with liquid duct sealer, specified herein, applied to male end fittings only, so that sealer is not visible when joint is assembled.

3. Welded Seam and Joints: Provide continuous air-tight seams and joints for ductwork, fittings, and connections where indicated in “Ductwork Schedule”.

2.4 SHEET METAL MATERIALS

A. General Material Requirements: Comply with SMACNA's "HVAC Duct Construction Standards - Metal and Flexible" for acceptable materials, material thicknesses, and duct construction methods unless otherwise indicated. Sheet metal materials shall be free of pitting, seam marks, roller marks, stains, discolorations, and other imperfections.

SWE#250020.01 233113 - 4 Metal Ductwork

B. Galvanized Sheet Steel: Comply with ASTM A 653/A 653M.

1. Galvanized Coating Designation: G60.

2. Finishes for Surfaces Exposed to View: Mill phosphatized.

C. Stainless-Steel Sheets: Comply with ASTM A 480/A 480M, Type 304 or 316, as indicated in the "Duct Schedule" Article; cold rolled, annealed, sheet. No 2B finish, except where otherwise Exposed surface finish shall be No. 2B, No. 2D, No. 3, or No. 4 as indicated in the "Duct Schedule" Article.

D. Aluminum Sheets: Comply with ASTM B 209 Alloy 3003, H14 temper; with mill finish for concealed ducts, and standard, one-side bright finish for duct surfaces exposed to view.

E. Factory- or Shop-Applied Antimicrobial Coating:

1. Apply to the surface of sheet metal that will form the interior surface of the duct. An untreated clear coating shall be applied to the exterior surface.

2. Antimicrobial compound shall be tested for efficacy by an NRTL and registered by the

EPA for use in HVAC systems.

3. Coating containing the antimicrobial compound shall have a hardness of 2H, minimum, when tested according to ASTM D 3363.

4. Surface-Burning Characteristics: Maximum flame-spread index of 25 and maximum smoke-developed index of 50 when tested according to UL 723; certified by an

NRTL.

5. Antimicrobial coating on sheet metal is not required for duct containing liner treated with antimicrobial coating.

F. Reinforcement Shapes and Plates: ASTM A 36/A 36M, steel plates, shapes, and bars;

black and galvanized.

1. Where black- and galvanized-steel shapes and plates are used to reinforce aluminum ducts, isolate the different metals with butyl rubber, neoprene, or EPDM gasket materials.

G. Tie Rods: Galvanized steel, 1/4-inch minimum diameter for lengths 36 inches or less; 3/8-inch minimum diameter for lengths longer than 36 inches.

2.5 SEALANT AND GASKETS

A. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

1. Ductmate Industries.

2. McGill AirSeal LLC.

3. Carlisle HVAC Products.

B. General Sealant and Gasket Requirements: Surface-burning characteristics for sealants and gaskets shall be a maximum flame-spread index of 25 and a maximum smoke-developed index of 50 when tested according to UL 723; certified by an NRTL.

C. Two-Part Tape Sealing System:

1. Tape: Woven cotton fiber impregnated with mineral gypsum and modified acrylic/silicone activator to react exothermically with tape to form hard, durable, airtight seal.

2. Tape Width: 4 inches.

3. Sealant: Modified styrene acrylic.

4. Water resistant.

5. Mold and mildew resistant.

SWE#250020.01 233113 - 5 Metal Ductwork

6. Maximum Static-Pressure Class: 10-inch w.g., positive and negative.

7. Service: Indoor and outdoor.

8. Service Temperature: Minus 40 to plus 200 deg F.

9. Substrate: Compatible with galvanized sheet steel (both PVC coated and bare), stainless steel, or aluminum.

10. For indoor applications, sealant shall have a VOC content of 250 g/L or less when calculated according to 40 CFR 59, Subpart D (EPA Method 24).

11. Sealant shall comply with the testing and product requirements of the California Department of Health Services' "Standard Practice for the Testing of Volatile Organic Emissions from Various Sources Using Small-Scale Environmental Chambers."

D. Water-Based Joint and Seam Sealant:

1. Application Method: Brush on.

2. Solids Content: Minimum 65 percent.

3. Shore A Hardness: Minimum 20.

4. Water resistant.

5. Mold and mildew resistant.

6. VOC: Maximum 75 g/L (less water).

7. Maximum Static-Pressure Class: 10-inch w.g., positive and negative.

8. Service: Indoor or outdoor.

9. Substrate: Compatible with galvanized sheet steel (both PVC coated and bare), stainless steel, or aluminum sheets.

E. Solvent-Based Joint and Seam Sealant:

1. Application Method: Brush on.

2. Base: Synthetic rubber resin.

3. Solvent: Toluene and heptane.

4. Solids Content: Minimum 60 percent.

5. Shore A Hardness: Minimum 60.

6. Water resistant.

7. Mold and mildew resistant.

8. Maximum Static-Pressure Class: 10-inch w.g., positive or negative.

9. Service: Indoor or outdoor.

10. Substrate: Compatible with galvanized sheet steel (both PVC coated and bare), stainless steel, or aluminum sheets.

F. Flanged Joint Sealant: Comply with ASTM C 920.

1. General: Single-component, acid-curing, silicone, elastomeric.

2. Type: S.

3. Grade: NS.

4. Class: 25.

5. Use: O.

6. For indoor applications, sealant shall have a VOC content of 250 g/L or less when calculated according to 40 CFR 59, Subpart D (EPA Method 24).

7. Sealant shall comply with the testing and product requirements of the California Department of Health Services' "Standard Practice for the Testing of Volatile Organic Emissions from Various Sources Using Small-Scale Environmental Chambers."

G. Flange Gaskets: Butyl rubber, neoprene, or EPDM polymer with polyisobutylene plasticizer.

2.6 HANGERS AND SUPPORTS

A. Hanger Rods for Noncorrosive Environments: Cadmium-plated steel rods and nuts.

SWE#250020.01 233113 - 6 Metal Ductwork

B. Hanger Rods for Corrosive Environments: Electrogalvanized, all-thread rods or galvanized rods with threads painted with zinc-chromate primer after installation.

C. Strap and Rod Sizes: Comply with SMACNA's "HVAC Duct Construction Standards - Metal and Flexible," Table 5-1, "Rectangular Duct Hangers Minimum Size," and Table 5-2, "Minimum Hanger Sizes for Round Duct."

D. Steel Cables for Galvanized-Steel Ducts: Galvanized steel complying with ASTM A 603.

E. Steel Cables for Stainless-Steel Ducts: Stainless steel complying with ASTM A 492.

F. Steel Cable End Connections: Cadmium-plated steel assemblies with brackets, swivel, and bolts designed for duct hanger service; with an automatic-locking and clamping device.

G. Duct Attachments: Sheet metal screws, blind rivets, or self-tapping metal screws;

compatible with duct materials.

H. Trapeze and Riser Supports:

1. Supports for Galvanized-Steel Ducts: Galvanized-steel shapes and plates.

2. Supports for Stainless-Steel Ducts: Stainless-steel shapes and plates.

3. Supports for Aluminum Ducts: Aluminum or galvanized steel coated with zinc chromate.

PART 3 EXECUTION

3.1 DUCT INSTALLATION

A. Drawing plans, schematics, and diagrams indicate general location and arrangement of duct system. Indicated duct locations, configurations, and arrangements were used to size ducts and calculate friction loss for air-handling equipment sizing and for other design considerations. Install duct systems as indicated unless deviations to layout are approved by Engineer.

B. Install ducts according to SMACNA's "HVAC Duct Construction Standards - Metal and Flexible" unless otherwise indicated.

C. Install round and flat-oval ducts in maximum practical lengths.

D. Install ducts with fewest possible joints.

E. Install factory- or shop-fabricated fittings for changes in direction, size, and shape and for branch connections.

F. Unless otherwise indicated, install ducts vertically and horizontally, and parallel and perpendicular to building lines.

G. Install ducts close to walls, overhead construction, columns, and other structural and permanent enclosure elements of building.

H. Install ducts with a clearance of 1 inch, plus allowance for insulation thickness.

I. Route ducts to avoid passing through transformer vaults and electrical equipment rooms and enclosures.

SWE#250020.01 233113 - 7 Metal Ductwork

J. Where ducts pass through non-fire-rated interior partitions and exterior walls and are exposed to view, cover the opening between the partition and duct or duct insulation with sheet metal flanges of same metal thickness as the duct. Overlap openings on four sides by at least 1-1/2 inches.

K. Where ducts pass through fire-rated interior partitions and exterior walls, install fire dampers. Comply with requirements in Section 233300 - Air Duct Accessories for fire and smoke dampers.

L. Protect duct interiors from moisture, construction debris and dust, and other foreign materials. Comply with SMACNA's "IAQ Guidelines for Occupied Buildings Under

Construction," Appendix G, "Duct Cleanliness for New Construction Guidelines."

3.2 INSTALLATION OF EXPOSED DUCTWORK

A. Protect ducts exposed in finished spaces from being dented, scratched, or damaged.

B. Trim duct sealants flush with metal. Create a smooth and uniform exposed bead. Do not use two-part tape sealing system.

C. Grind welds to provide smooth surface free of burrs, sharp edges, and weld splatter.

When welding stainless steel with a No. 3 or 4 finish, grind the welds flush, polish the exposed welds, and treat the welds to remove discoloration caused by welding.

D. Maintain consistency, symmetry, and uniformity in the arrangement and fabrication of fittings, hangers and supports, duct accessories, and air outlets.

E. Repair or replace damaged sections and finished work that does not comply with these requirements.

3.3 DUCT SEALING

A. Provide Seal Class in accordance with SMACNA's "HVAC Duct Construction Standards - Metal and Flexible,."

B. Clean duct surfaces prior to applying sealant.

C. Prior to application, verify that ducts are dry and within specified temperature limits.

D. Open ends of completed and overnight work-in-progress shall be sealed.

3.4 HANGER AND SUPPORT INSTALLATION

A. Comply with SMACNA's "HVAC Duct Construction Standards - Metal and Flexible," Chapter 5, "Hangers and Supports."

B. Building Attachments: Concrete inserts, powder-actuated fasteners, or structural-steel fasteners appropriate for construction materials to which hangers are being attached.

1. Where practical, install concrete inserts before placing concrete.

2. Install powder-actuated concrete fasteners after concrete is placed and completely cured.

3. Use powder-actuated concrete fasteners for standard-weight aggregate concretes or for slabs more than 4 inches thick.

SWE#250020.01 233113 - 8 Metal Ductwork

4. Do not use powder-actuated concrete fasteners for lightweight-aggregate concretes or for slabs less than 4 inches thick.

5. Do not use powder-actuated concrete fasteners for seismic restraints.

6. Confirm design of existing concrete slabs prior to installing fasteners. Where existing slabs contain embedded components such as tension cables. Locate embedded components and install fasteners to so that embedded components remain undamaged.

C. Hanger Spacing: Comply with SMACNA's "HVAC Duct Construction Standards - Metal and Flexible," Table 5-1, "Rectangular Duct Hangers Minimum Size," and Table 5-2, "Minimum Hanger Sizes for Round Duct," for maximum hanger spacing; install hangers and supports within 24 inches of each elbow and within 48 inches of each branch intersection.

D. Hangers Exposed to View: Threaded rod and angle or channel supports.

E. Support vertical ducts with steel angles or channel secured to the sides of the duct with welds, bolts, sheet metal screws, or blind rivets; support at each floor and at a maximum interval of 16 feet.

F. Install upper attachments to structures. Select and size upper attachments with pull-out, tension, and shear capacities appropriate for supported loads and building materials where used.

3.5 CONNECTIONS

A. Make connections to equipment with flexible connectors complying with Section 233300 -

Air Duct Accessories.

B. Comply with SMACNA's "HVAC Duct Construction Standards - Metal and Flexible" for branch, outlet and inlet, and terminal unit connections.

3.6 FIELD QUALITY CONTROL

A. Perform tests and inspections.

B. Leakage Tests:

1. Comply with SMACNA's "HVAC Air Duct Leakage Test Manual." Submit a test report for each test.

2. Test representative duct sections selected by Owner’s Authorize Representative from sections installed.

3. Test the following systems:

a. Ducts with a Pressure Class Higher Than 3-Inch w.g.: Test representative duct sections totaling no less than 25 percent of total installed duct area for each designated pressure class.

4. Disassemble, reassemble, and seal segments of systems to accommodate leakage testing and for compliance with test requirements.

5. Test for leaks before applying external insulation.

6. Conduct tests at static pressures equal to maximum design pressure of system or section being tested. If static-pressure classes are not indicated, test system at maximum system design pressure. Do not pressurize systems above maximum design operating pressure.

7. Give seven days' advance notice for testing.

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C. Duct System Cleanliness Tests:

1. Visually inspect duct system to ensure that no visible contaminants are present.

2. Test sections of metal duct system, chosen randomly by Owner, for cleanliness according to "Vacuum Test" in NADCA ACR, "Assessment, Cleaning and Restoration of HVAC Systems."

a. Acceptable Cleanliness Level: Net weight of debris collected on the filter media shall not exceed 0.75 mg/100 sq. cm.

D. Duct system will be considered defective if it does not pass tests and inspections.

E. Prepare test and inspection reports.

SWE#250020.01 233300 - 1 Air Duct Accessories

SECTION 233300

AIR DUCT ACCESSORIES

PART 1 GENERAL

1.1 SUMMARY

A. Section Includes: Accessories for duct systems.

1.2 ACTION SUBMITTALS

A. Provide submittals for products listed in the Product Table below in accordance with Section 230500 - General HVAC Provisions. Submittal requirements indicated by column number designation as follows:

1. Materials List.

2. Catalog Data.

3. Product Data.

4. Performance Data.

5. Wiring Diagrams.

6. Shop Drawings.

7. Installation Instructions.

8. Special Requirement listed herein.

PRODUCT TABLE 1 2 3 4 5 6 7 8

Manual Volume Dampers x

Remote Damper Operators x

Control Dampers x x

Fire and Smoke Dampers x

Corridor Dampers x

Duct Silencers x x x x

Turning Vanes x

Plenum and Duct Mounted Access Doors x

Fire Rated Duct Access Panel Assemblies x

Flexible Connectors x

Flexible Ducts x

Laboratory Ductwork Specialties x x x x

1.3 CLOSEOUT SUBMITTALS

A. Operation and Maintenance Data: For air duct accessories to include in operation and maintenance manuals.

SWE#250020.01 233300 - 2 Air Duct Accessories

1.4 MAINTENANCE MATERIAL SUBMITTALS

A. Furnish extra materials that match products installed and that are packaged with protective covering for storage and identified with labels describing contents.

1. Fusible Links: Furnish quantity equal to 10 percent of amount installed.

PART 2 PRODUCTS

2.1 ASSEMBLY DESCRIPTION

A. Comply with NFPA 90A, "Installation of Air Conditioning and Ventilating Systems," and with NFPA 90B, "Installation of Warm Air Heating and Air Conditioning Systems."

B. Comply with SMACNA's "HVAC Duct Construction Standards - Metal and Flexible" for acceptable materials, material thicknesses, and duct construction methods unless otherwise indicated. Sheet metal materials shall be free of pitting, seam marks, roller marks, stains, discolorations, and other imperfections.

2.2 MATERIALS

A. Galvanized Sheet Steel: Comply with ASTM A 653/A 653M.

1. Galvanized Coating Designation: G60.

2. Exposed-Surface Finish: Mill phosphatized.

B. Stainless-Steel Sheets: Comply with ASTM A 480/A 480M, Type 304, and having a No. 2 finish for concealed ducts and No. 4 finish for exposed ducts.

C. Tie Rods: Galvanized steel, 1/4-inch minimum diameter for lengths 36 inches or less; 3/8-inch minimum diameter for lengths longer than 36 inches.

2.3 FLEXIBLE CONNECTORS

A. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

1. Ductmate Industries, Inc.

2. Duro Dyne Inc.

3. Elgen Manufacturing.

4. Hardcast, Inc.

5. JP Lamborn Co.

6. Ventfabrics, Inc.

B. Materials: Flame-retardant or noncombustible fabrics.

C. Coatings and Adhesives: Comply with UL 181, Class 1.

D. High-Temperature System, Flexible Connectors: Glass fabric coated with silicone rubber.

1. Minimum Weight: 16 oz./sq. yd.

2. Tensile Strength: 285 lbf/inch in the warp and 185 lbf/inch in the filling.

3. Service Temperature: Minus 67 to plus 500°F.

SWE#250020.01 233300 - 3 Air Duct Accessories

PART 3 EXECUTION

3.1 INSTALLATION

A. Install duct accessories according to applicable details in SMACNA's "HVAC Duct Construction Standards - Metal and Flexible" for metal ducts and in NAIMA AH116, "Fibrous Glass Duct Construction Standards," for fibrous-glass ducts.

B. Install duct accessories of materials suited to duct materials; use galvanized-steel accessories in galvanized-steel and fibrous-glass ducts, stainless-steel accessories in stainless-steel ducts, and aluminum accessories in aluminum ducts.

C. Provide low leakage control dampers as close as possible to the inlet of building exhaust fans as required by Oregon Energy Efficiency Specialty Code.

D. Install products in locations that are accessible and that will permit adjustment and maintenance from floor, equipment platforms, or catwalks. Where ladders are required for Owner's access, confirm unrestricted ladder placement is possible under occupied condition.

E. Flexible Connectors.

1. Install flexible connectors to connect ducts to equipment.

2. For fans developing static pressures of 5-inch wg and more, cover flexible connectors with loaded vinyl sheet held in place with metal straps.

3. Provide connectors at equipment connections for all equipment that has vibration isolation supports.

4. Install thrust limits at centerline of thrust, symmetrical on both sides of equipment.

Attach thrust limits at centerline of thrust and adjust to a maximum of 1/4-inch movement during start and stop of fans.

3.2 APPLICATION

A. Flexible Connectors.

1. Indoor system: All indoor applications, except where otherwise required.

2. Outdoor system: All outdoor applications, except where otherwise required.

3. High-Temperature System: Indoor or outdoor applications where the maximum air temperature may exceed 180oF.

4. High-Corrosive-Environment: Indoor or outdoor applications where connector may be in contact with corrosive gases including exhaust air from chemical fume hoods, storage rooms, or storage equipment.

3.3 FIELD QUALITY CONTROL

A. Tests and Inspections:

1. Operate dampers to verify full range of movement.

2. Inspect locations of access doors and verify that purpose of access door can be performed.

3. Operate fire, smoke, and combination fire and smoke dampers to verify full range of movement and verify that proper heat-response device is installed.

4. Inspect turning vanes for proper and secure installation.

5. Operate remote damper operators to verify full range of movement of operator and damper prior to covering work or limiting access for inspection.

SECTION 260500

GENERAL ELECTRICAL PROVISIONS

PART 1 GENERAL

1.1 CONTRACT DOCUMENTS

A. General electrical provisions apply to all work performed in Division 26.

B. The Contract Documents are complementary. What is required by any one, as affects this Division, shall be as binding as if repeated herein.

C. Location of equipment on Drawings is approximate. Plan exact location with respect to site measurements and work of other trades prior to starting work. If measurements differ slightly, modify work. If measurements differ substantially, notify Engineer and Owner’s Authorized Representative prior to fabrication.

D. Make minor changes in equipment connections and equipment locations as directed or required before rough-in without extra cost.

E. For products specified by listing one or more manufacturers, followed by “Similar to” and one manufacture’s model number, the following requirements apply:

1. Approval of each listed manufacturer is contingent upon that manufacturer having a product which meets the specification, fits in the available space, and is comparable to the listed model.

2. Electrical and space requirements indicated on drawings are based on the listed model and may not be suitable for all manufacturers listed. Provide revisions required to accommodate the model actually furnished.

F. For products specified by listing one or more manufacturers, followed by a model number for each manufacturer, the following requirements apply:

G. Provide one of the listed model numbers or an approved substitution.

H. Electrical and space requirements indicated on the Drawings are based on one of the listed models, and may not be suitable for all models listed. Provide revisions required to accommodate the model actually furnished.

1.2 DEFINITIONS

A. Authority Having Jurisdiction (AHJ): A federal, state, local, or other regional department or individual such as a fire chief; fire marshal; chief of a fire prevention bureau, labor department, or health department; building official; electrical inspector; or others having statutory authority.

B. Owner’s Authorized Representative (OAR): Owner’s representative with authority to act on Owner’s behalf.

C. Architect/Engineer: The design professional leading the design team and can be either an architect or engineer.

D. The words furnish, install, and provide are defined as follows:

1. Furnish: To supply and deliver to the project ready for installation and in operable

SWE#250020.01 260500 - 1 General Electrical Provisions condition.

2. Install: To place in final position, complete, anchored, connected in operable condition.

3. Provide: To furnish and install complete. Includes the supply of specified services.

4. When neither furnish, install, or provide is stated, provided is implied.

E. Where content in other sections or divisions is referenced, the words refer and conform are defined as follows:

1. Refer (To): The work referenced in the identified section or division is provided under the referenced section or division. The referenced work is listed for clarity and coordination.

2. Conform (To or With): The work is provided under the section containing the reference and must conform with the requirements of the referenced section or division.

1.3 COORDINATION

A. Coordinate identification systems with other trades. All electrical systems shall use identical wiring, conduit, and equipment identification and regulatory signage.

1.4 SUBMITTALS AND SHOP DRAWINGS

A. Action Submittal Content.

1. Action submittal information not expressly required by the specifications will not be reviewed.

2. Action submittal information shall be provided in sufficient detail to establish conformance with specified requirements. Where submitted literature includes multiple models, features, or options, the specific models, features, or options proposed shall be clearly indicated. Where a brief inspection shows that product data is not complete, the submittal will be rejected without review.

3. Action submittal data shall be clear, concise, legible, and relevant. Where data is not properly organized and contains significant information that is not relevant, the submittal will be rejected without review.

4. Action submittal requirements are listed in individual specification sections. The following definitions apply.

a. Materials List: Provide tabular list of materials including specification reference, specification product name, manufacturer, model/part number, and size and/or quantity where appropriate. Do not include supplemental data, except where specifically requested.

b. Catalog data: Manufacturer’s standard product cut sheet.

c. Product Data: Detailed data including dimensions, weight, materials of construction, connections, and all other information needed to confirm that the product conforms to all requirements listed in the individual specification section.

d. Performance Data: Capacity, input, output, flow, etc. as required to confirm that the product meets the performance requirements scheduled in the Specifications or on the Drawings.

e. Wiring Diagrams: Power and control wiring diagrams.

f. Shop Drawings: Construction drawings of items manufactured specifically for this project including dimensions, construction details, weights, and additional information to identify the physical features of the system or piece of equipment.

g. Installation Instructions.

h. Special Requirements Listed: Additional requirements indicated in individual specification sections.

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1.5 QUALITY ASSURANCE

A. All materials and equipment provided hereunder shall be installed and started in complete conformance with the manufacturer’s recommendations.

B. Asbestos products or equipment or materials containing asbestos shall not be used.

C. Certify that each welder has passed the American Welding Society (AWS) qualification tests for the welding processes involved, and that certification is current.

1.6 DESIGN REQUIREMENTS

A. Equipment and systems provided hereunder shall be rated to provide performance specified and scheduled on Drawings at the elevation of the project site.

B. Materials and equipment provided hereunder shall be rated for the service conditions of the system to which they are connected including but not limited to temperature, pressure, and humidity.

1.7 CODES AND STANDARDS

A. The Work shall conform to the following Codes and Standards:

1. Codes and Regulations of Governing Authority.

2. Americans with Disabilities Act (ADA).

3. Owner's Construction Standards or Guidelines.

B. Contract Documents are intended to conform with referenced Codes and Standards. Any deviation from applicable codes and standards identified in Contract Documents shall be submitted in writing to the Architect/Engineer.

C. Applicable codes and standards shall determine minimum requirements for materials, methods, and labor practices not otherwise stated herein.

1.8 SEQUENCING

A. Submit schedule for operator training eight weeks prior to Substantial Completion.

Schedule shall include time and duration of each required training session.

B. Submit draft operations and maintenance manuals to Owner’s Authorized Representative 30 days prior to substantial completion.

C. Operator training shall be performed prior to Substantial Completion, or as otherwise approved by the Owner’s Authorized Representative.

1.9 DELIVERY, STORAGE, AND HANDLING

A. Deliver and store products in a clean and dry place.

B. Conform with manufacturer's written rigging and installation instructions for unloading and moving to final installed location.

C. Handle products carefully to prevent damage, breaking, denting, and scoring. Do not install damaged products.

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D. Protect products from weather, dirt, dust, water, construction debris, and physical damage.

E. Retain factory-applied coverings on equipment to protect finishes during construction and remove just prior to operating unit.

F. Cover unit openings before installation to prevent dirt and dust from entering inside of units. If required to remover coverings during unit installation, reapply coverings over openings after unit installation and remove just prior to operating unit.

G. Replace installed products damaged during construction.

1.10 TEMPORARY SERVICES

A. Provide in accordance with Division 01 as required for completion of work.

B. Maintain existing systems operational. Owner will be responsible to operate and maintain existing equipment during the course of the project. However, any damage to existing equipment resulting directly from work under this Contract shall be repaired by the Contractor at no expense to Owner.

C. All electrical systems currently operating including but not limited to lighting control, fire alarm and access control equipment, which serve Owner occupied areas, must be maintained operational during construction. It is the responsibility of the Contractor to provide temporary facilities as required to maintain operation. If any system currently in use must be turned off to perform work, permission must be obtained, and Owner’s Authorized Representative notified prior to performing any work.

1.11 FIELD CONDITIONS

A. Interruption of Existing Service: Do not interrupt electrical, fire alarm, and telecommunications, service(s) to facilities occupied by Owner or others unless permitted under the following conditions and then only after arranging to provide temporary service(s) according to requirements indicated:

1. Notify Owner’s Authorized Representative no fewer than ten business days in advance of proposed interruption of service(s).

B. Do not proceed with interruption of service(s) without written permission of Owner's Authorized Representative.

1.12 OPERATIONS AND MAINTENANCE MANUALS

A. Furnish operation and maintenance data for project, as described herein.

B. Manuals, Electronic Files: Submit manuals in the form of a multiple file composite electronic PDF files.

1. Include a directory of all subcontractors and maintenance contractors with names, addresses, and telephone numbers, indicating the area of responsibility for each.

2. Electronic Files: Use electronic files prepared by manufacturer where available.

Where scanning of paper documents is required, configure scanned file for minimum readable file size.

3. Provide a composite summary table indicating each item of equipment listed in the operations and maintenance manual and its required maintenance and time period.

This summary table shall be the first section in the O&M manual.

4. Manual Content: Manuals shall contain complete information for each item of

SWE#250020.01 260500 - 4 General Electrical Provisions mechanical, electrical or other operating equipment. Include as applicable:

a. Manufacturer's instructions for installation, startup, operation, inspection, and maintenance.

b. Lubrication schedules.

c. Performance capacity.

d. Final approved product submittals for each product included in project.

1) Mark the model actually provided where the literature covers more than one model. Include all submittal data corrected to "as-built" conditions within the manual.

2) Parts list.

e. Maintenance schedules.

f. Maintenance instructions shall indicate routine-type work with step-by-step instructions that should be performed to ensure long life and proper operations.

Recommended frequency of performance shall also be included.

5. File Names and Bookmarks: Bookmark individual documents based on file names.

Name document files to correspond to system, subsystem, and equipment names used in manual directory and table of contents. Group documents for each system and subsystem into individual composite bookmarked files, then create composite manual, so that resulting bookmarks reflect the system, subsystem, and equipment names in a readily navigated file tree. Configure electronic manual to display bookmark panel on opening file.

1.13 RECORD DRAWINGS

A. Provide record "as-built" drawings in accordance with Division 1 requirements. Show all deviations from contract drawings and location of underground lines by accurate dimensions from building lines. Show depth of stub outs and underground lines.

Dimension all concealed piping from column grids or building lines. Concealed raceways, that contain feeder cables, communication conduits that are 1.5-inch diameter or greater shall be dimensioned from column grids or building lines. Alternately, provide electronically using PDF markup of contract drawings.

1.14 WARRANTY

A. Warrant all Work included in the Specification for a period of one year from the date of substantial completion, under provisions of Division 1.

B. During warranty period, remedy without delay or expense to Owner any defects providing, in judgement of Engineer, that such defects are not a result of misuse or abuse on part of Owner.

C. Warrant that all equipment and installations are in compliance with OSHA regulations.

PART 2 PRODUCTS

2.1 PRODUCTS AND MATERIALS

A. All materials employed in permanent construction shall be new, full weight, in first class condition, and suitable for space provided. All similar equipment and materials shall be of one manufacturer.

B. Materials and equipment used as the basis of design is scheduled on Drawings or designated in product specifications. If Contractor chooses to use equipment that is not the basis of design, Contractor is responsible for all re-design and construction costs associated with variations in arrangement, dimension, or capacity. Such work may

SWE#250020.01 260500 - 5 General Electrical Provisions include, but is not limited to, changes to facility structure or dimensions and revisions to associated mechanical and electrical systems needed to provide equal system performance and maintainability.

2.2 ELECTRICAL EQUIPMENT

A. Electrical Disconnect Switch: Electrical disconnect switches specified for mechanical equipment shall conform to OSHA Lock-out/Tag-out requirements.

B. All electrical equipment shall be listed as approved for its application by the Underwriters Laboratory or other testing agency approved by the State of Oregon Electrical and Elevator Board. Approval indicates agency meets testing standard requirements for electrical safety required by Oregon Revised Statutes 479.510 through 479.855 and Oregon Administrative Rules.

C. Enclosure: Provide the following electrical equipment enclosure types unless specifically stated otherwise in individual specification setctions.

1. NEMA 1: Dry, enclosed locations where the ambient temperature will not be outside of the equipment temperature ratings.

2. NEMA 12: Enclosed mechanical spaces equipped with floor drains where dripping or splashing may occur and where the ambient temperature will not be outside of the VFD temperature ratings.

3. NEMA 3R: Outdoors spaces exposed to weather, and where NEMA 4 or 4X is not required.

4. NEMA 4: Mechanical spaces where hose-directed water is expected.

5. NEMA 4X: Swimming pool mechanical rooms.

6. Outdoor Enclosures with Temperature Control: NEMA 3R. Provided with a ventilation fan and heater capable of maintaining enclosure temperature within the manufacturer’s recommended range. Drive and enclosure shall be a single, UL-listed assembly with single point electrical connections.

2.3 EQUIPMENT CONNECTIONS

A. Provide a complete electrical connection for all items of equipment including incidental wiring, materials, devices and labor necessary for a complete operating system. The location and method for connection to each item of equipment shall be verified prior to rough-in. The voltage and phase of each item of equipment shall be checked prior to connecting. Motor rotations shall be made in the proper direction. Pump motors are not to be test run until liquid is in the system and proper lubrication to all bearings in unit is checked.

B. Conduit, wire and circuit breaker sizes for mechanical and similar equipment are based on the equipment ratings of one manufacturer. The equipment actually furnished may have different electrical characteristics. Conduit, wire, and circuit breakers shall not be ordered or installed until exact electrical requirements are obtained. The Contractor is responsible for this coordination.

PART 3 EXECUTION

3.1 ACCESS TO EQUIPMENT AND ACCESSORIES

A. Install equipment with sufficient access for service. Where not conveniently accessible by other means, provide adequately sized access doors for junction & pull boxes, relays & power packs, and all other electrical equipment requiring access for removal or maintenance. Type, size and exact location of access doors shall be coordinated with

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Architect/Engineer prior to work.

B. Provide clearances for maintenance access as indicated on Drawings or as recommended by manufacturer. If access requirements shown on Drawings conflict with manufacturer’s recommendations, provide larger clearance of the two.

C. If equipment location shown on Drawings does not allow required access, notify Engineer prior to start of work.

D. Apply and install all items in accordance with manufacturer’s written instructions. Refer conflicts between the manufacturer’s instructions and the contract drawings and specifications to Engineer for resolution prior to starting work.

E. Provide access doors as required for access to electrical equipment. Doors required for access are not necessarily shown on Drawings. Consult with Engineer for direction on placement of required doors not shown on Drawings.

1. Conform with manufacturer's instructions for installation of access doors. Provide all necessary support and supplemental framing for assembly where the access doors are required. Set accurately in position, plumb, level, and flush to adjacent finish surfaces; and secure to support.

F. Where ladder access is required to service elevated components, provide and installation that provides for sufficient access with ladder manufacturer's written instructions for use.

G. Conform with OSHA regulatio.

3.2 ARRANGEMENT AND INSTALLATION OF ELECTRICAL EQUIPMENT AND CONDUIT

A. Coordinate location of conduit, sleeves, inserts, hangers, cable trays and equipment.

Locate conduit, sleeves, inserts, hangers, cable tray and equipment clear of windows, doors, openings, lights, ducts, piping, and other services and utilities. Follow manufacturer's published recommendations for installation methods not otherwise specified.

B. Equipment and Conduit Support: Coordinate structural systems necessary for conduit and equipment support with pipe and equipment locations to permit proper installation.

C. Location of conduit sleeves, trenches and chases shall be accurately coordinated with equipment and conduit locations.

D. Minor Conduit: Small diameter conduit runs from receptacles, lighting, equipment, and similar minor services are generally not shown but must be provided. Contractor is responsible to provide all such minor conduit where needed to maintain electrical spaces clean and neat and to allow full equipment function and maintenance.

E. Work in Existing Building: Cut required openings through existing masonry and reinforced concrete using diamond core drills. Use of pneumatic hammer type drills, impact type electric drills, and hand or manual hammer type drills, will be permitted only with approval of the Owner’s Authorized Representative. Locate openings that will least affect structural slabs, columns, ribs or beams. Refer to the Architect/Engineer for determination of proper design for openings through structural sections and obtain layout approval prior to cutting or drilling into structure. After Architect/Engineer approval, carefully cut opening through construction no larger than absolutely necessary for the required installation.

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F. Inaccessible Equipment.

1. Where the Owner’s Authorized Representative determines that the Contractor has installed equipment not conveniently accessible for operation and maintenance, equipment shall be removed and reinstalled or remedial action performed as directed at no additional cost to the Owner.

2. The term "conveniently accessible" is defined as capable of being reached without the use of ladders, or without climbing or crawling under or over obstacles such as motors, fans, pumps, belt guards, transformers, high voltage lines, piping, and ductwork.

3.3 CLEANING SYSTEMS

A. General: After all equipment and conduits are installed, system shall be thoroughly cleaned. Remove all nonessential stickers and labels from equipment or fixtures. Clean all light fixture lenses. Clean interior of conduit systems prior to installation of wiring.

B. Repair or replace any…