36C24718R0489-002.pdf

For the best experience, open this PDF portfolio in

Acrobat X or Adobe Reader X, or later.

Get Adobe Reader Now!

http://www.adobe.com/go/reader

Renovate OR Suite VA 544-16-100

William Jennings Bryan Dorn VAMC

Columbia, SC 29209 01-09-17

00 01 10-1

TABLE OF CONTENTS

Section 00 01 10

DIVISION 00 - SPECIAL SECTIONS DATE

00 01 15 List of Drawing Sheets 07-15

DIVISION 01 - GENERAL REQUIREMENTS

01 00 00 General Requirements 11-15

01 33 23 Shop Drawings, Product Data, and Samples 07-15

01 35 26 Safety Requirements 09-16

01 42 19 Reference Standards 05-16

01 45 00 Quality Control for Minor Construction

01 58 16 Temporary Interior Signage 07-15

01 74 19 Construction Waste Management 09-13

DIVISION 02 – EXISTING CONDITIONS

02 41 00 Demolition 02-15

02 82 11 Traditional Asbestos Abatement 09-15

02 82 13.13 Glovebag Asbestos Abatement

02 82 13.19 Asbestos Floor Tile and Mastic Abatement 09-15

02 83 33.13 Lead-Based Paint Removal and Disposal

DIVISION 03 – CONCRETE

03 30 53 (Short-Form) Cast-in-Place Concrete 02-16

DIVISION 07 - THERMAL AND MOISTURE PROTECTION

07 21 13 Thermal Insulation 02-16

07 22 00 Roof and Deck Insulation 02-16

07 60 00 Flashing and Sheet Metal 07-14

07 84 00 Firestopping 02-16

07 92 00 Joint Sealants 10-15

DIVISION 08 - OPENINGS

08 11 13 Hollow Metal Doors and Frames 08-16

08 14 00 Interior Wood Doors 02-16

08 17 10 Integrated Door Assemblies 12-16

08 31 13 Access Doors and Frames 02-16

08 41 13 Aluminum-Framed Entrances and Storefronts 08-16

08 51 13 Aluminum Windows 02-16

08 56 19 Pass Windows 02-16

08 71 00 Door Hardware 01-16

08 71 13 Automatic Door Operators 02-16

08 80 00 Glazing 10-15

00 01 10-2

DIVISION 09 – FINISHES

09 05 16 Subsurface Preparation for Floor Finishes 02-15

09 06 00 Schedule for Finishes 04-15

09 22 16 Non-Structural Metal Framing 05-16

09 29 00 Gypsum Board 11-14

09 30 13 Ceramic/Porcelain Tiling 09-15

09 51 00 Acoustical Ceilings 12-16

09 65 13 Resilient Base and Accessories 02-16

09 65 16 Resilient Sheet Flooring 02-16

09 65 19 Resilient Tile Flooring 12-15

09 91 00 Painting 01-16

DIVISION 10 – SPECIALTIES

10 14 00 Signage 10-15

10 21 16 Shower and Dressing Compartments 08-16

10 21 23 Cubicle Curtain Tracks 05-15

10 26 00 Wall and Door Protection 10-15

10 28 00 Toilet, Bath, and Laundry Accessories 02-16

10 44 13 Fire Extinguisher Cabinets 08-14

10 44 13.13 Portable Fire Extinguishers 12-17

DIVISION 12 – FURNISHINGS

12 22 16 Drapery Track and Accessories 05-15

12 24 21 Lightproof Shades 05-15

12 32 00 Manufactured Wood Casework 09-15

12 36 00 Countertops 12-15

DIVISION 14– CONVEYING EQUIPEMENT

14 12 11.T3 Electric Traction and Winding Drum Dumbwaiter 08-16

14 12 11.T4 Electric Traction and Winding Drum Dumbwaiter

DIVISION 21- FIRE SUPPRESSION

21 08 00 Commissioning of Fire Suppression System 11-16

21 13 13 Wet-Pipe Sprinkler Systems 06-15

DIVISION 22 – PLUMBING

22 05 11 Common Work Results for Plumbing 07-16

22 05 19 Meters and Gages for Plumbing Piping 09-15

22 05 23 General-Duty Valves for Plumbing Piping 09-15

22 07 11 Plumbing Insulation 09-15

22 08 00 Commissioning of Plumbing Systems 11-16

22 11 00 Facility Water Distribution 09-15

22 13 00 Facility Sanitary and Vent Piping 09-15

22 14 00 Facility Storm Drainage 09-15

22 40 00 Plumbing Fixtures 09-15

00 01 10-3

22 62 00 Vacuum Systems for Laboratory and Healthcare Facilities 09-15

22 63 00 Gas Systems for Laboratory and Healthcare Facilities 09-15

DIVISION 23 – HEATING, VENTILATING, AND AIR

CONDITIONING (HVAC)

23 05 11 Common Work Results for HVAC 02-15

23 05 12 General Motor Requirements for HVAC and Steam

Generation Equipment

11-10

23 05 41 Noise and Vibration Control for HVAC Piping and

Equipment

02-15

23 05 93 Testing, Adjusting, and Balancing for HVAC 02-15

23 07 11 HVAC and Boiler Plant Insulation 02-15

23 08 00 Commissioning of HVAC Systems 11-16

23 09 23 Direct-Digital Control System for HVAC 09-11

23 21 13 Hydronic Piping 09-12

23 21 23 Hydronic Pumps 02-15

23 22 13 Steam and Condensate Heating Piping 02-15

23 23 00 Refrigerant Piping 02-15

23 31 00 HVAC Ducts and Casings 03-13

23 34 00 HVAC Fans 02-15

23 36 00 Air Terminal Units 02-15

23 37 00 Air Outlets and Inlets 02-15

23 73 00 Indoor Central-Station Air-Handling Units 04-11

23 74 13 Packaged, Outdoor, Central-Station Air-Handling Units 04-11

23 81 23 Computer-Room Air-Conditioners 04-11

23 82 16 Air Coils 04-11

DIVISION 25 – INTEGRATED AUTOMATION

25 10 10 Advanced Utility Metering System 02-10

DIVISION 26 – ELECTRICAL

26 05 11 Requirements for Electrical Installations 01-16

26 05 19 Low-Voltage Electrical Power Conductors and Cables 07-13

26 05 26 Grounding and Bonding for Electrical Systems 12-12

26 05 33 Raceway and Boxes for Electrical Systems 05-14

26 05 73 Overcurrent Protective Device Coordination Study 12-15

26 08 00 Commissioning of Electrical Systems 11-16

26 09 23 Lighting Controls 05-14

26 20 11 Isolated Power Systems 07-15

26 22 00 Low-Voltage Transformers 12-15

26 24 16 Panelboards 05-14

26 27 26 Wiring Devices 01-16

26 29 11 Motor Controllers 08-14

26 29 21 Enclosed Switches and Circuit Breakers 12-12

26 51 00 Interior Lighting 08-14

DIVISION 27 – COMMUNICATIONS

00 01 10-4

27 05 11 Requirements for Communications Installations 06-15

27 05 26 Grounding and Bonding for Communications Systems 06-15

27 05 33 Raceways and Boxes for Communications Systems 06-15

27 08 00 Commissioning of Communications Systems 11-16

27 10 00 Control, Communication and Signal Wiring 06-15

27 11 00 Communications Equipment Room Fittings 06-15

27 15 00 Communications Structured Cabling 01-16

27 31 31 Voice Communications Switching and Routing Equipment -

Extension

06-15

27 52 23 Nurse Call and Code Blue Systems 10-15

DIVISION 28 – ELECTRONIC SAFETY AND SECURITY

28 05 00 Common Work Results for Electronic Safety and Security 09-11

28 05 13 Conductors and Cables for Electronic Safety and

Security

09-11

28 05 26 Grounding and Bonding for Electronic Safety and

28 05 28.33 Conduits and Backboxes for Electronic Safety and

28 08 00 Commissioning of Electronic Safety and Security Systems 11-16

28 23 00 Video Surveillance 09-11

28 31 00 Fire Detection and Alarm 10-11

28 52 31 Emergency Call System 06-15

Appendix

Dorn VA Medical Center Construction/Renovation Risk

Assessment Package

For the best experience, open this PDF portfolio in

Acrobat X or Adobe Reader X, or later.

Get Adobe Reader Now!

http://www.adobe.com/go/reader

Columbia, SC 29209 06-26-17

12 22 16 - 1

SECTION 12 22 16

DRAPERY TRACK AND ACCESSORIES

PART 1 - GENERAL

1.1 DESCRIPTION:

A. This section includes window drapery tracks and drapery traverse rods.

//1.2 RELATED WORK:

//A. Sustainable Design Requirements: Section 01 81 13, SUSTAINABLE DESIGN

REQUIREMENTS.// //

1.3 SUBMITTALS:

A. Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT

DATA, AND SAMPLES.

//B. Sustainable Design Submittals as described below:

//1. Postconsumer and preconsumer recycled content as specified in

PART 2 - PRODUCTS..// //

C. Manufacturer's Literature and Data:

1. Drapery tracks, traverse rod, hardware.

1.4 APPLICABLE PUBLICATIONS:

A. The publications listed below form a part of this specification to the extent referenced. The publications are referenced in the text by the basic designation only.

B. ASTM International (ASTM):

B221 -14................Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes

B221M-13................Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes (Metric)

D1187/D1187M-97(R2011)..Asphalt-Base Emulsions for Use as Protective

Coatings for Metal

C. The Aluminum Association Publication (AA):

DAF 45-09...............Designation System for Aluminum Finishes

PART 2 - PRODUCTS

2.1 MATERIALS:

A. Aluminum, Extruded: ASTM B221M (B221).

//B. Recycled Content of Metal Products: Postconsumer plus one-half of preconsumer content not less than // 30 // // // percent.//

12 22 16 - 2

2.2 WINDOW DRAPERY TRACKS:

A. General: Fabricate drapery tracks of extruded aluminum, with necessary hangers, fittings, fastenings, and curtain carriers. Provide interior finish of track suitable for passage of master carriers and other carriers.

1. Provide traverse type tracks with // bi-parting operation //

// one way draw, left or right // as required by field conditions.

2. Where drapery width exceeds 4572 mm (15 feet) in width, provide two

(2) separate one-way tracks with cords on opposite ends. Tracks shall fit together evenly, with a right hand master used on first track and a left hand master used on the second track, so that sufficient overlap of draperies will occur.

3. Provide wall tension pulleys on all track installations.

B. Tracks: Form of extruded aluminum 1.27 mm (0.050 inch) thick.

1. Provide // channel shape // // flat profile // // // track with a cross section width and depth to carry the drapery without sagging.

2. On bi-parting tracks, provide two-wheel nylon or ball bearing end pulleys with zinc-coated steel housing at each end. On one-way tracks, provide two-wheel nylon or ball bearing end pulleys with zinc-coated steel housing at one end, and nylon insert pulleys at other end of track.

C. Wall Mounting Brackets: Provide brackets of 1.27 mm (0.05 inch) aluminum to fit flush with track faces, and be of length to allow tracks to hang 63 mm (2-1/2 inches) from wall.

D. Carriers: Ball bearing nylon rollers or non-binding two-wheel nylon rollers with eyes for drapery hooks. Provide one (1) carrier for each

101 mm (4 inches) of track. Provide master carriers with four (4) nylon wheels each.

E. Accessories: Provide all component parts, including No. 4 drapery cord with a rayon center, end pulleys, weighted cord pulls, batons track splicers, end shields, wall pulleys, and fastenings.

2.3 DRAPERY TRAVERSE ROD:

A. Provide heavy-duty rods, flat top type, formed of 0.96 mm (0.038 inch;

20 gauge) cold-rolled steel, with baked-on white enamel finish.

B. Provide traverse hardware for direction of travel, and location on wall or ceiling, as required.

12 22 16 - 3

C. Provide tension pulleys for each rod. Tension pulleys are to have a metal center stem.

D. Provide cotton draw cord with rayon center, No. 4 size.

1. Provide self-lubricating, nylon type carriers, brackets, and intermediate supports, and related components required for a complete working installation.

2.4 HAND TRAVERSE CORDLESS TRACK SYSTEM:

A. Provide heavy-duty track assembly with baton on room side of draperies where it is readily visible and easily used. // Ceiling mounted // // side-wall mounted // extruded aluminum track with // clear anodized //

// baked enamel // finish.

2.5 FASTENERS:

A. Provide fasteners for installation as follows:

Fasteners Structural Material

Wood or sheet metal screw Wood

Self-tapping screw Metal, sheet metal

Case hardened, self-tapping screw in pre-drilled hole

Solid masonry or concrete

Screw or bolt in expansion shield Solid masonry or concrete

Toggle or molly bolt Hollow masonry, gypsum wallboard, plaster

2.6 BITUMINOUS PAINT:

A. ASTM D1187/D1187M.

2.7 FINISH:

A. Provide exposed surfaces with the following finish:

//1. Aluminum: Finish numbers for aluminum are in accordance with

DAF 45.

a. AA-C22A31 finish chemically etched medium matte, with clear anodic coating, Class II Architectural 0.4 mils thick. //

//2. Steel: Baked-on enamel or epoxy coating finish as standard with the manufacturer. //

PART 3 - EXECUTION

3.1 PROTECTION

A. Apply a heavy coat of bituminous paint to aluminum track surfaces that will be in contact with concrete, plaster, or dissimilar metal.

12 22 16 - 4

3.2 INSTALLATION

A. Window Drapery Track: Set tracks straight and level, and rigidly anchor to surfaces with fastenings, as required by building construction.

1. Install wall-mounted tracks with two (2) brackets 305 mm (1 foot) apart on each track end. Space intermediate supports not over 1219 mm (4 feet) apart. Leave sufficient ceiling clearance to allow for drapery heads.

B. Drapery Traverse Rod: Provide for direction of travel, and location on wall or ceiling.

1. As shown on construction documents.

2. Install tension pulleys for each rod at 457 mm (18 inches) above the floor, and locate them so that they are not visible when drapes are hung.

3. Anchor wall pulleys to window sill or wall as required by track location and length of drapes. Space intermediate supports at maximum of 1270 mm (50 inches).

- - - E N D - - -

Renovate OR Suite

Columbia, SC 29209

VA 544-16-100

06-26-17

07 21 13 - 1

SECTION 07 21 13

THERMAL INSULATION

1.1 SUMMARY

A. Section Includes:

1. Thermal insulation.

2. Acoustical insulation.

a. Semi-rigid insulation at interior framed partitions.

3. Batt and blanket insulation at interior framed partitions and ceilings.

1.2 RELATED REQUIREMENTS

A. Safing Insulation: Section 07 84 00, FIRESTOPPING.

1.3 APPLICABLE PUBLICATIONS

A. Comply with references to extent specified in this section.

1. C516-08(2013)e1 - Vermiculite Loose Fill Thermal Insulation.

2. C549-06(2012) - Perlite Loose Fill Insulation.

3. C552-15 - Cellular Glass Thermal Insulation.

4. C553-13 - Mineral Fiber Blanket Thermal Insulation for Commercial and Industrial Applications.

5. C578-15 - Rigid, Cellular Polystyrene Thermal Insulation.

6. C591-15 - Unfaced Preformed Rigid Cellular Polyisocyanurate Thermal Insulation.

7. C612-14 - Mineral Fiber Block and Board Thermal Insulation.

8. C665-12 - Mineral-Fiber Blanket Thermal Insulation for Light Frame Construction and Manufactured Housing.

9. C728-15 - Perlite Thermal Insulation Board.

10. C954-15 - Steel Drill Screws for the Application of Gypsum Panel Products or Metal Plaster Base to Steel Studs From 0.033 (0.84 mm) inch to 0.112 inch (2.84 mm) in thickness.

11. C1002-14 - Steel Self-Piercing Tapping Screws for Application of Gypsum Panel Products or Metal Plaster Bases to Wood Studs or Steel Studs.

12. D312/D312M-15 - Asphalt Used in Roofing.

13. E84-15a - Surface Burning Characteristics of Building Materials.

14. F1667-15 - Driven Fasteners: Nails, Spikes, and Staples.

07 21 13 - 2

1.4 SUBMITTALS

A. Submittal Procedures: Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES.

B. Manufacturer's Literature and Data:

1. Description of each product.

2. Adhesive indicating manufacturer recommendation for each application.

1.5 DELIVERY

A. Deliver products in manufacturer's original sealed packaging.

B. Mark packaging, legibly. Indicate manufacturer's name or brand, type, production run number, and manufacture date.

C. Before installation, return or dispose of products within distorted, damaged, or opened packaging.

1.6 STORAGE AND HANDLING

A. Store products indoors in dry, weathertight facility.

B. Protect products from damage during handling and construction operations.

C. Protect foam plastic insulation from UV exposure.

1.7 WARRANTY

A. Construction Warranty: FAR clause 52.246-21, "Warranty of Construction."

2.1 INSULATION - GENERAL

A. Insulation Thickness:

1. Provide thickness required by R-value shown on drawings.

2. Provide thickness indicated when R-value is not shown on drawings.

B. Insulation Types:

1. Provide one insulation type for each application.

2.2 ACOUSTICAL INSULATION

A. Semi Rigid, Batts and Blankets:

1. Widths and lengths to fit tight against framing.

2. Mineral Fiber Batt or Blankets: ASTM C665 unfaced.

3. Maximum Surface Burning Characteristics: ASTM E84.

a. Flame Spread Rating: 25.

b. Smoke Developed Rating: 450.

2.3 ACCESSORIES

A. Fasteners:

07 21 13 - 3

1. Staples or Nails: ASTM F1667, zinc-coated, size and type to suit

2. Screws: ASTM C954 or ASTM C1002, size and length to suit application with washer minimum 50 mm (2 inches) diameter.

3. Impaling Pins: Steel pins with head minimum 50 mm (2 inches) diameter.

4. Length: As required to extend beyond insulation and retain cap washer when washer is placed on pin.

B. Adhesive: Type recommended by manufacturer to suit application.

C. Insulation Adhesive:

1. Nonflammable type recommended by insulation manufacturer to suit

D. Tape:

1. Pressure sensitive adhesive on one face.

3.1 PREPARATION

A. Examine and verify substrate suitability for product installation.

B. Protect existing construction and completed work from damage.

C. Clean substrates. Remove contaminants capable of affecting subsequently installed product's performance.

3.2 INSTALLATION - GENERAL

A. Install products according to manufacturer's instructions and approved submittal drawings.

1. When manufacturer's instructions deviate from specifications, submit proposed resolution for Contracting Officer's Representative consideration.

B. Install insulation with vapor barrier facing the heated side, unless indicated otherwise.

C. Install batt and blanket insulation with joints tight. Fill framing voids completely. Seal penetrations, terminations, facing joints, facing cuts, tears, and unlapped joints with tape.

D. Fit insulation tight against adjoining construction and penetrations, unless indicated otherwise.

3.3 THERMAL INSULATION

A. Fill joints of insulation with same material used for bonding.

B. Hold insulation in place with pressure sensitive tape.

C. Lap facing flanges together over framing for continuous surface. Seal penetrations through insulation and facings.

1. Metal Studs:

D. Fasten insulation between metal studs, framing, and furring with pressure sensitive tape continuous along flanged edges.

07 21 13 - 4

1. Wood Studs:

E. Use impaling pins for attach insulation to underside of horizontal surfaces. Space fastenings as required to hold insulation in place and prevent sagging.

1. Bond insulation with adhesive when separate vapor retarder is used.

F. Pour fill insulation in masonry unit hollow cores from tops of walls, or from sill where windows or other openings occur.

G. Pour in lifts of maximum 6 m (20 feet).

3.4 ACOUSTICAL INSULATION

A. General:

1. Install insulation without voids.

2. Pack insulation around door frames and windows, in building expansion joints, door soffits, and other voids.

3. Pack behind outlets, around pipes, ducts, and services encased in walls.

B. Hold insulation in place with pressure sensitive tape.

1. Lap facer flanges together over framing for continuous surface.

Seal all penetrations through the insulation and facers.

C. Do not compress insulation below required thickness except where embedded items prevent required thickness.

D. Semi Rigid, Batts and Blankets:

1. Semi Rigid Batts and Blankets:

E. When insulation is not full thickness of cavity, adhere insulation to one side of cavity, maintaining continuity of insulation and covering penetrations or embedments.

a. Metal Framing:

1) Fasten insulation between metal framing with pressure sensitive tape continuous along flanged edges.

2) At metal framing or ceilings suspension systems, install blanket insulation above suspended ceilings or metal framing at right angles to the main runners or framing.

3) Tape insulation tightly together so no gaps occur and metal framing members are covered by insulation.

3.5 CLEANING

A. Remove excess adhesive before adhesive sets.

3.6 PROTECTION

A. Protect insulation from construction operations.

B. Repair damage.

- - E N D - -

07 22 00 - 1

SECTION 07 22 00

ROOF AND DECK INSULATION

1.1 SUMMARY

A. Section Includes:

1. Repairs and alteration work to existing roof insulation.

1.2 APPLICABLE PUBLICATIONS

A. Comply with references to extent specified in this section.

B. American Society of Heating, Refrigeration and Air Conditioning

(ASHRAE):

1. Standard 90.1-13 - Energy Standard for Buildings Except Low-Rise Residential Buildings.

C. ASTM International (ASTM):

1. C208-12 - Cellulosic Fiber Insulating Board.

2. C552-15 - Cellular Glass Thermal Insulation.

3. C726-05 - Mineral Fiber Roof Insulation Board.

4. C728-15 - Perlite Thermal Insulation Board.

5. C1177/C1177M-13 - Glass Mat Gypsum Substrate for Use as Sheathing.

6. C1278/C1278M-07a(2015) - Fiber-Reinforced Gypsum Panel.

7. C1289-15 - Faced Rigid Cellular Polyisocyanurate Thermal Insulation Board.

8. C1396/C1396M-14a - Gypsum Board.

9. D41/D41M-11 - Asphalt Primer Used in Roofing, Dampproofing, and Waterproofing.

10. D312-06 - Asphalt Used in Roofing.

11. D1970/D1970M-15 - Self-Adhering Polymer Modified Bituminous Sheet Materials Used as Steep Roofing Underlayment for Ice Dam Protection.

12. D2178/D2178M-15 - Asphalt Glass Felt Used in Roofing and Waterproofing.

13. D2822/D2822M-11 - Asphalt Roof Cement, Asbestos Containing.

14. D4586/D4586M-07(2012)e1 - Asphalt Roof Cement, Asbestos-Free.

15. E84-15a - Surface Burning Characteristics of Building Materials.

16. F1667-15 - Driven Fasteners: Nails, Spikes, and Staples.

D. National Roofing Contractors Association (NRCA):

E. Manual-15 - The NRCA Roofing Manual: Membrane Roof Systems.

07 22 00 - 2

F. U.S. Department of Agriculture (USDA):

G. USDA BioPreferred Program Catalog.

H. UL LLC (UL):

I. Listed - Online Certifications Directory.

J. U.S. Department of Commerce National Institute of Standards and Technology (NIST):

1. DOC PS 1-09 - Structural Plywood.

2. DOC PS 2-04 - Performance Standard for Wood-Based Structural-Use Panels.

1.3 SUBMITTALS

A. Submittal Procedures: Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES.

B. Submittal Drawings:

1. Show size, configuration, and installation details.

2. Nailers, cants, and terminations.

a. Layout of insulation showing slopes, tapers, penetrations, and edge conditions.

C. Manufacturer's Literature and Data:

1. Description of each product.

D. Qualifications: Substantiate qualifications meet specifications.

1. Installer.

1.4 QUALITY ASSURANCE

A. Installer Qualifications: Same installer as Division 07 roofing section installer.

1.5 DELIVERY

A. Comply with recommendations of NRCA Manual.

B. Deliver products in manufacturer's original sealed packaging.

C. Mark packaging, legibly. Indicate manufacturer's name or brand, type, and manufacture date.

D. Before installation, return or dispose of products within distorted, damaged, or opened packaging.

1.6 STORAGE AND HANDLING

A. Comply with recommendations of NRCA Manual.

B. Store products indoors in dry, weathertight facility.

07 22 00 - 3

C. Protect products from damage during handling and construction operations.

1.7 FIELD CONDITIONS

A. Environment:

1. Install products when existing and forecasted weather permit installation according to manufacturer's instructions.

1.8 WARRANTY

A. Construction Warranty: FAR clause 52.246-21, "Warranty of Construction."

B. Manufacturer's Warranty: Warrant substrate board, vapor retarder, insulation, and cover board against material and manufacturing defects as part of Division 07 roofing system warranty.

2.1 SYSTEM PERFORMANCE

A. Insulation Thermal Performance:

1. Overall Average R-Value: RSI-57 (R-33), minimum.

B. Any Location R-Value: RSI-17 (R-10), minimum.

2.2 PRODUCTS - GENERAL

A. Provide each product from one manufacturer.

B. Bio-Based Materials: Where applicable, provide products designated by USDA and meeting or exceeding USDA recommendations for bio-based content, and products meeting Rapidly Renewable Materials and certified sustainable wood content definitions; refer to www.biopreferred.gov.

2.3 ADHESIVES

A. Primer: ASTM D41/D41M.

B. Asphalt: ASTM D312, Type III or IV for vapor retarders and insulation.

C. Modified Asphaltic Insulation Adhesive: Insulation manufacturer's recommended modified asphaltic, asbestos-free, cold-applied adhesive formulated to adhere roof insulation to substrate or to another insulation layer.

2.4 ROOF AND DECK INSULATION

A. Roof and Deck Insulation, General: Preformed roof insulation boards approved by roofing manufacturer.

07 22 00 - 4

B. Polyisocyanurate Board Insulation: ASTM C1289, Type II, Class 1, Grade 2, faced with glass fiber reinforced cellulosic felt facers on both major surfaces of the core foam.

C. Tapered Roof Insulation System:

1. Fabricate of mineral fiberboard, polyisocyanurate, perlite board, or cellular glass. Use only one insulation material for tapered sections. Use only factory-tapered insulation.

2. Cut to provide high and low points with crickets and slopes as shown.

3. Minimum thickness of tapered sections; 38 mm (1-1/2 inch).

4. Minimum slope 1/48 (1/4 inch per 12 inches).

2.5 INSULATION ACCESSORIES

A. Glass (Felt): ASTM D2178/D2178M, Type VI, heavy duty ply sheet.

B. Cants and Tapered Edge Strips:

C. Wood Cant Strips: Refer to Section 06 10 00, ROUGH CARPENTRY.

D. Insulation Cant Strips: ASTM C208, Type II, Grade 1, cellulosic-fiber insulation board.

2.6 ACCESSORIES

A. Fasteners: Corrosion-resistant carbon steel fasteners and galvalume-coated steel or plastic round plates for fastening substrate board and insulation to roof deck.

B. Nails: ASTM F1667; type to suit application.

3.1 EXAMINATION

A. Comply with requirements of Division 07 roofing section.

3.2 PREPARATION

A. Examine and verify substrate suitability for product installation.

B. Protect existing construction and completed work from damage.

3.3 INSTALLATION - GENERAL

A. Install products according to manufacturer's instructions.

1. When manufacturer's instructions deviate from specifications, submit proposed resolution for Contracting Officer's Representative consideration.

B. Comply with requirements of UL for insulated steel roof deck.

3.4 INSULATION INSTALLATION

A. Insulation Installation, General:

07 22 00 - 5

1. Base Sheet: Where required by roofing system, install one lapped base sheet specified in Division 07 roofing section by mechanically fastening to roofing substrate before installation of insulation.

2. Cant Strips: Install preformed insulation cant strips at junctures of roofing system with vertical construction.

3. Use same insulation as existing for roof repair and alterations unless specified otherwise.

B. Insulation Thickness:

1. Thickness of roof insulation shown on drawings is nominal. Provide thickness required to comply with specified thermal performance.

2. Insulation on Metal Decks: Provide insulation in minimum thickness recommended by insulation manufacturer to span deck flutes.

Support edges of insulation on metal deck ribs.

3. When actual insulation thickness differs from drawings, coordinate alignment and location of roof drains, flashing, gravel stops, fascias and similar items.

4. Where tapered insulation is used, maintain insulation thickness at high points and roof edges shown on drawings.

5. Low Point Thickness: Minimum 38 mm (1-1/2 inches).

6. Use minimum two layers of insulation when required thickness is 68 mm (2.7 inch) or greater.

C. Lay insulating units with close joints, in regular courses and with end joints staggered.

D. Stagger joints between layers minimum 150 mm (6 inches).

E. Lay units with long dimension perpendicular to the rolled (longitudinal) direction of the roofing felt.

F. Seal cut edges at penetrations and at edges against blocking with bitumen or roof cement.

G. Cut to fit tightly against blocking or penetrations.

H. Cover all insulation installed on the same day; comply with temporary protection requirements of Division 07 roofing section.

I. Installation Method:

1. Adhered Insulation:

a. Prime substrate as required.

b. Set each layer of insulation firmly in solid mopping of hot asphalt.

c. Set each layer of insulation firmly in ribbons of bead-applied insulation adhesive.

d. Set each layer of insulation firmly in uniform application of full-spread insulation adhesive.

- - E N D - -

12 24 21 - 1

SECTION 12 24 21

LIGHTPROOF SHADES

A. This section includes lightproof shades. Provide lightproof shades complete including brackets, light traps, fittings, and hardware.

1.2 RELATED WORK:

A. Section 12 24 00, WINDOW SHADES.

B. Shade Cloth and Color of Light Track Trim Finish: Section 09 06 00, SCHEDULE FOR FINISHES.

1.3 QUALITY ASSURANCE:

A. Manufacturer’s Qualification: Submit evidence that the manufacture has a minimum of three (3) years’ experience in providing item of type specified, and that the shades have performed satisfactorily on similar installations. Submit manufacturer qualifications.

B. Submit qualifications for installers who are trained and approved by manufacturer for installation of units provided.

1.4 SUBMITTALS:

B. Manufacturer's Literature and Data: Showing details of construction and hardware for Lightproof Shades.

C. Samples:

1. Shade cloth, each type, 600 mm (24 inch) square, including cord and ring, showing color, finish and texture.

D. Shop Drawings: Provide fabrication and installation details for lightproof shades.

E. Fire Testing: Submit report of flame spread and smoke development during product material tests by independent testing laboratory.

F. Manufacturer’s warranty.

1.5 WARRANTY:

A. Construction Warranty: Comply with FAR clause 52.246-21, “Warranty of

Construction”.

B. Manufacturer Warranty: Manufacturer shall warranty their lightproof shades for a minimum of five (5) // // years from date of installation and final acceptance by the Government. Submit manufacturer’s warranty.

12 24 21 - 2

1.6 APPLICABLE PUBLICATIONS:

extent referenced. The publications are referenced in the text by the

G21-13..................Determining Resistance of Synthetic Polymeric

Materials to Fungi

C. National Fire Protection Association (NFPA):

701-15..................Fire Tests for Flame Propagation of Textiles and Films

2.1 MATERIALS:

A. Room Darkening, PVC Free Shade Cloth with Opaque Acrylic Backing: Not less than 0.19 mm (.008 inches) thick blackout material and weighing

580 grams per square meter (17.1 ounces per square yard), plus or minus

5 percent comprised of fiberglass, acrylic, polyester finish materials.

1. Color: Selected from manufacturer’s standard colors or as indicated in Section 09 06 00, SCHEDULE FOR FINISHES.

2. Fire-Test-Response Characteristics: Passes NFPA 701 small and large-scale vertical burn. Submit report for testing of shade cloth materials identical to products provide.

//2. Shade Cloth Anti-Microbial Characteristics: ‘No Growth’ in accordance with ASTM G21 results for fungi ATCC9642, ATCC9644, and

ATCC9645. //

//B. Cords for Shades: // No. 4 braided nylon, or No. 4 1/2 braided cotton // // #10 stainless steel chain // having not less than 80 Kg

(175 pounds) breaking strength. //

//C. Cordless Shades: Provide roller containing spring operating mechanism sized to accommodate shade size. Provide with positive locking mechanism that can stop shade movement at each half-turn of roller and with manufacturer’s standard pull.

1. Pole: Manufacturer’s standard type in length required to make operation convenient from floor level and with hook for engaging pull.

D. Fastenings: Zinc-coated or cadmium plated steel or stainless steel fastenings of proper length and type. Except as otherwise specified, 12 24 21 - 3 fastenings for use with various structural materials are to be as follows:

Type of Fastening Structural Material

Wood screw Wood

Tap Screw Metal

Case-hardened, self-tapping screw in pre-drilled hole

Sheet metal or solid masonry or concrete

Screw or bolt-in expansion shield

Solid masonry or concrete

Toggle bolts Hollow blocks, gypsum wallboard, plaster

//E. Motorized Operating System: Provide factory-assembled, shade-operator system of size and capacity and with features, characteristics, and accessories suitable for conditions indicated on construction documents, complete with electric motor and factory-prewired motor controls, power disconnect switch, enclosures protecting controls and operating parts, and accessories required for reliable operation without malfunction. Include wiring for motor controls to motors.

Coordinate operator wiring requirements and electrical characteristics with building electrical system.

1. Electrical Components: Listed and labeled as defined in NFPA 70, by a qualified testing agency and marked for intended location and

2. Electric Motor: Manufacturer’s standard tubular, enclosed in roller.

a. Electrical Characteristics: Single phase, // 24 // // 110 //

// 220 // V, 60 Hz.

3. Remote Control: Electric controls with NEMA ICS 6, Type 1 enclosure for // surface // // recessed or flush // mounting. Provide the following for control activation of shades:

//a. Wall mounted controls: // key pads // // switches // // //

// with hand held remote // that are able to electronically set and reconfigure shade open and close limits, shade preset positions, system groups and system subgroups at the control without rewiring and without access to the Electronic Drive

Unit. //

//b. Sun Sensor Controls: Programmable system activated by LEDs detecting daylight intensity and responding by automatically adjusting shades. //

12 24 21 - 4

//c. Radio Controls: Digital system consisting of code-compatible universal coaxial receiver, // one (1) per shade and // two (2)

// // // portable multiple-channel transmitters for operating up to // 2 // // 4 // // // shades individually, each with a single button to open and close shades. //

//d. Infrared Controls: System consisting of concealed receiver complete with external eye and connecting modular cable, and // two (2) // // // portable, multiple-channel transmitters with separate buttons to open and close up to // 12 // // // individual shades or groups of shades, to open and close all shades simultaneously, and to stop. //

//e. Timer Controls: Clock timer, // 24-hour // // 7 day // programmable. //

//f. // Provide switches that are adjustable and interlocked with motor controls and set to automatically stop the shade at fully raised and fully lowered positions. // // Provide low voltage switching. // //

//g. Operating Function: // Stop and hold shade at any position //

// Stop and hold shade at open, midpoint, and closed positions //

// Stop and hold shade at 3 predetermined positions including open, closed, and user-programmed position // // Stop and hold shade at 5 pre-determined positions including open, closed, and 3 user-programmed positions //. //

h. Provide the following options: // Group switching with integrated switch control; single face plate for multiple switch cut-outs. // // Capable of interface with // audiovisual //

// multi-room // control system // // Capable of accepting input from building automation control system // // Override switch //

// Backup gear and crank operator for manual operation during power failures with detachable handle, // 1.8 m (6 feet) long //

// length required to make operation convenient from floor level // // Power failure memory for the life of the systems which protects presets //.

//2.2 SHADES ENCLOSED IN WINDOWS // FOR MENTAL HEALTH AND BEHAVIORAL CARE

UNITS //:

A. Provide internal shades between windows panes where indicated on construction documents.

12 24 21 - 5

B. Operating cords or ropes are not acceptable.

C. Provide hardware flush with walls.

D. Provide tamper proof hardware. //

2.3 FABRICATION:

A. Measure openings before fabrication. Do not scale construction documents.

B. Fabricate lightproof shades with metal head housing, deep side guides, sill light lock members, continuous metal jamb and head anchor section, operating bars, and complete with roller assembly, one (1) piece lightproof shade cloth, and two (2) metal disappearing type horizontal braces for each shade.

C. Shop fabricate light traps consisting of head box to house shade roller, and steel channels U-shape in cross section to serve as guides for shade along sides, and to receive bottom edge of shade along sill.

1. Fabricate light trap of sheet steel having a minimum thickness of

0.38 mm (0.015 inches). Provide legs of the U-shaped channels not less than 45 mm (1-3/4 inches) long and separated by minimum distance that will permit free operation of the shade.

2. Round or bead edges of light trap coming into contact with shade cloth.

3. Provide hinged or removable exposed face of head box for access to shade roller.

4. Fabricate entire assembly to prevent light from entering the room when the shade is drawn.

5. Finish interior or concealed surfaces of light trap with coat of flat black enamel.

6. Finish exposed portions of light trap with pyroxylin lacquer, or baked on enamel finish in color to match // adjoining wood or metal work //. // As indicated in Section 09 06 00, SCHEDULE FOR

FINISHES. //

D. Fabricate rollers of aluminum or stainless steel of sufficient diameter and thickness to support the shade, and provided with spindles, bearings and coil springs.

E. Provide rollers with groove and metal spline with steel, or stainless steel machine screws spaced not over 228 mm (9 inches) on centers, for attaching the shade cloth.

F. For shades not finished with a selvage, bind or hem vertical edges.

12 24 21 - 6

1. Sewn Edges: Double or triple stitched, using a heavy-duty thread.

Make needle holes lightproof by applying a suitable filler.

2. Sealed Edges: Continuously hot seal without curling or raveling.

G. Stiffen shade by transverse steel bars of size and weight sufficient to hold shade in channel guides.

1. Space bars approximately 457 mm (18 inches) on centers and conceal in pockets in the shade.

2. Fit bottom edge of shade with steel operating bar designed to engage sill channel of light trap.

3. Paint bars with flat black enamel.

//H. Cords: Fit operating bar with pull cord. //

3.1 INSTALLATION:

A. Install lightproof shades level at a height that will permit proper operation of the shades, and prevent outside light from infiltrating into the room.

B. Fit light traps to adjacent construction, with rigid and light-tight connections.

C. Locate so shade is no closer than 51 mm (2 inches) to interior face of glass.

D. Allow clearance for hardware at operable windows.

//E. Electrical Connections: Connect motor-operated lightproof shades to building electrical system. //

F. Do not install shades until after room painting and finishing operations are complete.

3.2 ADJUSTING:

A. Adjust and balance roller shades to operate smoothly, easily, safely, and free from binding or malfunction throughout entire operational range.

3.3 CLEANING AND PROTECTION:

A. Clean lightproof surfaces after installation, according to manufacturer’s written instructions.

B. Provide final protection and maintain conditions, that ensure that lightproof shades are without damage or deterioration at time of

Substantial Completion.

12 24 21 - 7

C. Replace damaged lightproof shades that cannot be repaired, in a manner approved by Contracting Officer Representative (COR) before time of

Substantial Completion.

07 60 00 - 1

SECTION 07 60 00

FLASHING AND SHEET METAL

1.1 DESCRIPTION

A. Formed sheet metal work for wall and roof flashing are specified in this section.

1.2 RELATED WORK

A. Flashing components of factory finished roofing and wall systems:

Division 07 roofing and wall system sections.

B. Joint Sealants: Section 07 92 00, JOINT SEALANTS.

C. Color of factory coated exterior architectural metal and anodized aluminum items: Section 09 06 00, SCHEDULE FOR FINISHES.

D. Paint materials and application: Section 09 91 00, PAINTING.

1.3 APPLICABLE PUBLICATIONS

A. Publications listed below form a part of this specification to the extent referenced. Publications are referenced in the text by the basic designation only. Editions of applicable publications current on date of issue of bidding documents apply unless otherwise indicated.

B. Aluminum Association (AA):

1. AA-C22A41 Aluminum Chemically etched medium matte, with clear anodic coating, Class I Architectural, 0.7-mil thick

2. AA-C22A42 Chemically etched medium matte, with integrally colored anodic coating, Class I Architectural, 0.7 mils thick

3. AA-C22A44 Chemically etched medium matte with electrolytically deposited metallic compound, integrally colored coating Class I Architectural, 0.7-mil thick finish

C. American National Standards Institute/Single-Ply Roofing Institute

(ANSI/SPRI):

1. ANSI/SPRI ES-1-03 Wind Design Standard for Edge Systems Used with Low Slope Roofing Systems

D. American Architectural Manufacturers Association (AAMA):

1. AAMA 620 Voluntary Specification for High Performance Organic Coatings on Coil Coated Architectural Aluminum

2. AAMA 621 Voluntary Specification for High Performance Organic Coatings on Coil Coated Architectural Hot Dipped Galvanized (HDG) and Zinc-Aluminum Coated Steel Substrates

E. ASTM International (ASTM):

1. A240/A240M-14 Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet and Strip for Pressure Vessels and for General Applications.

07 60 00 - 2

2. A653/A653M-11 Steel Sheet Zinc-Coated (Galvanized) or Zinc Alloy Coated (Galvanized) by the Hot- Dip Process

3. B32-08 Solder Metal

4. B209-10 Aluminum and Aluminum-Alloy Sheet and Plate

5. B370-12 Copper Sheet and Strip for Building Construction

6. D173-03(R2011) Bitumen-Saturated Cotton Fabrics Used in Roofing and Waterproofing

7. D412-06(R2013) Vulcanized Rubber and Thermoplastic Elastomers-Tension

8. D1187-97(R2011) Asphalt Base Emulsions for Use as Protective Coatings for Metal

9. D1784-11 Rigid Poly (Vinyl Chloride) (PVC) Compounds and Chlorinated Poly (Vinyl Chloride) (CPVC) Compounds

10. D3656-07 Insect Screening and Louver Cloth Woven from Vinyl-Coated Glass Yarns

11. D4586-07 Asphalt Roof Cement, Asbestos Free

F. Sheet Metal and Air Conditioning Contractors National Association (SMACNA): Architectural Sheet Metal Manual.

G. National Association of Architectural Metal Manufacturers (NAAMM):

1. AMP 500-06 Metal Finishes Manual

H. Federal Specification (Fed. Spec):

1. A-A-1925A Shield, Expansion; (Nail Anchors)

2. UU-B-790A Building Paper, Vegetable Fiber

I. International Code Commission (ICC): International Building Code, Current Edition

1.4 SUBMITTALS

B. Manufacturer's Literature and Data: For all specified items, including:

1. Two-piece counterflashing

C. Certificates: Indicating compliance with specified finishing requirements, from applicator and contractor.

2.1 FLASHING AND SHEET METAL MATERIALS

A. Stainless Steel: ASTM A240, Type 302B, dead soft temper.

B. Galvanized Sheet: ASTM, A653.

2.2 FLASHING ACCESSORIES

A. Solder: ASTM B32; flux type and alloy composition as required for use with metals to be soldered.

07 60 00 - 3

B. Rosin Paper: Fed-Spec. UU-B-790, Type I, Grade D, Style 1b, Rosin-sized sheathing paper, weighing approximately 3 Kg/10 m²( 6 lbs/100 sf).

C. Bituminous Paint: ASTM D1187, Type I.

D. Fasteners:

1. Use copper, copper alloy, bronze, brass, or stainless steel for copper and copper clad stainless steel, and stainless steel for stainless steel and aluminum alloy. Use galvanized steel or stainless steel for galvanized steel.

2. Nails:

a. Minimum diameter for aluminum nails 3 mm (0.105 inch).

b. Minimum diameter for stainless steel nails: 2 mm (0.095 inch) and annular threaded.

c. Length to provide not less than 22 mm (7/8 inch) penetration into anchorage.

3. Rivets: Not less than 3 mm (1/8 inch) diameter.

4. Expansion Shields: Fed Spec A-A-1925A.

E. Sealant: As specified in Section 07 92 00, JOINT SEALANTS for exterior locations.

F. Roof Cement: ASTM D4586.

2.3 SHEET METAL THICKNESS

A. Except as otherwise shown or specified use thickness or weight of sheet metal as follows:

B. Concealed Locations (Built into Construction):

1. Stainless steel: 0.25 mm (0.010 inch) thick.

2. Galvanized steel: 0.5 mm (0.021 inch) thick.

C. Exposed Locations:

1. Stainless steel: 0.4 mm (0.015 inch).

D. Thickness of aluminum or galvanized steel is specified with each item.

2.4 FABRICATION, GENERAL

A. Jointing:

1. In general, copper, stainless steel and copper clad stainless steel joints, except expansion and contraction joints, shall be locked and soldered.

2. Jointing of copper over 0.5 Kg (20 oz) weight or stainless steel over 0.45 mm (0.018 inch) thick shall be done by lapping, riveting and soldering.

3. Joints shall conform to following requirements:

a. Flat-lock joints shall finish not less than 19 mm (3/4 inch) wide.

b. Lap joints subject to stress shall finish not less than 25 mm (one inch) wide and shall be soldered and riveted.

07 60 00 - 4

c. Unsoldered lap joints shall finish not less than 100 mm (4 inches) wide.

4. Flat and lap joints shall be made in direction of flow.

5. Edges of bituminous coated copper, copper covered paper, nonreinforced elastomeric sheeting and polyethylene coated copper shall be jointed by lapping not less than 100 mm (4 inches) in the direction of flow and cementing with asphalt roof cement or sealant as required by the manufacturer's printed instructions.

6. Soldering:

a. Pre tin both mating surfaces with solder for a width not less than 38 mm (1 1/2 inches) of uncoated copper, stainless steel, and copper clad stainless steel.

b. Wire brush to produce a bright surface before soldering lead coated copper.

c. Treat in accordance with metal producers recommendations other sheet metal required to be soldered.

d. Completely remove acid and flux after soldering is completed.

B. Expansion and Contraction Joints:

1. Fabricate in accordance with the Architectural Sheet Metal Manual recommendations for expansion and contraction of sheet metal work in continuous runs.

2. Space joints as shown or as specified.

3. Space expansion and contraction joints for copper, stainless steel, and copper clad stainless steel at intervals not exceeding 7200 mm (24 feet).

4. Space expansion and contraction joints for aluminum at intervals not exceeding 5400 mm (18 feet), except do not exceed 3000 mm (10 feet) for gravel stops and fascia-cant systems.

5. Fabricate slip-type or loose locked joints and fill with sealant unless otherwise specified.

6. Fabricate joint covers of same thickness material as sheet metal served.

C. Cleats:

1. Fabricate cleats to secure flashings and sheet metal work over 300 mm (12 inches) wide and where specified.

2. Provide cleats for maximum spacing of 300 mm (12 inch) centers unless specified otherwise.

3. Form cleats of same metal and weights or thickness as the sheet metal being installed unless specified otherwise.

4. Fabricate cleats from 50 mm (2 inch) wide strip. Form end with not less than 19 mm (3/4 inch) wide loose lock to item for anchorage.

Form other end of length to receive nails free of item to be anchored and end edge to be folded over and cover nail heads.

D. Edge Strips or Continuous Cleats:

1. Fabricate continuous edge strips where shown and specified to secure loose edges of the sheet metal work.

07 60 00 - 5

2. Except as otherwise specified, fabricate edge strips or minimum

0.6 mm (0.024 inch) thick stainless steel.

3. Use material compatible with sheet metal to be secured by the edge strip.

4. Fabricate in 3000 mm (10 feet) maximum lengths with not less than 19 mm (3/4 inch) loose lock into metal secured by edge strip.

5. Fabricate Strips for fascia anchorage to extend below the supporting wood construction to form a drip and to allow the flashing to be hooked over the lower edge at least 19 mm (3/4-inch).

6. Fabricate anchor edge maximum width of 75 mm (3 inches) or of sufficient width to provide adequate bearing area to insure a rigid installation using 0.8 mm (0.031 inch) thick stainless steel.

E. Metal Options:

1. Where options are permitted for different metals use only one metal throughout.

2. Stainless steel may be used in concealed locations for fasteners of other metals exposed to view.

2.5 FINISHES

A. Use same finish on adjacent metal or components and exposed metal surfaces unless specified or shown otherwise.

B. In accordance with NAAMM Metal Finishes Manual AMP 500, unless otherwise specified.

C. Finish exposed metal surfaces as follows, unless specified otherwise:

1. Stainless Steel: Finish No. 2B or 2D.

2. Steel and Galvanized Steel:

a. Finish painted under Section 09 91 00, PAINTING unless specified as prefinished item.

b. Manufacturer's finish:

1) Baked on prime coat over a phosphate coating.

2.6 BASE FLASHING

A. Use metal base flashing at vertical surfaces intersecting built-up roofing without cant strips or where shown.

1. Use either copper, or stainless steel, thickness specified unless specified otherwise.

2. When flashing is over 250 mm (10 inches) in vertical height or horizontal width use either 0.5 Kg (20 oz) copper or 0.5 mm (0.018 inch) stainless steel.

3. Use stainless steel at aluminum roof curbs where flashing contacts the aluminum.

4. Use either copper, or stainless steel at pipe flashings.

B. Fabricate metal base flashing up vertical surfaces not less than 200 mm (8 inch) nor more than 400 mm (16 inch).

07 60 00 - 6

C. Fabricate roof flange not less than 100 mm (4 inches) wide unless shown otherwise. When base flashing length exceeds 2400 mm (8 feet) form flange edge with 13 mm (1/2 inch) hem to receive cleats.

D. Form base flashing bent from strip except pipe flashing. Fabricate ends for riveted soldered lap seam joints. Fabricate expansion joint ends as specified.

E. Pipe Flashing: (Other than engine exhaust or flue stack)

1. Fabricate roof flange not less than 100 mm (4 inches) beyond sleeve on all sides.

2. Extend sleeve up and around pipe and flange out at bottom not less than 13 mm (1/2 inch) and solder to flange and sleeve seam to make watertight.

3. At low pipes 200 mm (8 inch) to 450 mm (18 inch) above roof:

a. Form top of sleeve to turn down into the pipe at least 25 mm (one inch).

b. Allow for loose fit around and into the pipe.

4. At high pipes and pipes with goosenecks or other obstructions which would prevent turning the flashing down into the pipe:

a. Extend sleeve up not less than 300 mm (12 inch) above roofing.

b. Allow for loose fit around pipe.

3.1 INSTALLATION

A. General:

1. Install flashing and sheet metal items as shown in Sheet Metal and Air Conditioning Contractors National Association, Inc., publication, ARCHITECTURAL SHEET METAL MANUAL, except as otherwise shown or specified.

2. Apply Sealant as specified in Section 07 92 00, JOINT SEALANTS.

3. Apply sheet metal and other flashing material to surfaces which are smooth, sound, clean, dry and free from defects that might affect the application.

4. Confine direct nailing of sheet metal to strips 300 mm (12 inch) or less wide. Nail flashing along one edge only. Space nail not over 100 mm (4 inches) on center unless specified otherwise.

5. Install bolts, rivets, and screws where indicated, specified, or required in accordance with the SMACNA Sheet Metal Manual. Space rivets at 75 mm (3 inch) on centers in two rows in a staggered position. Use neoprene washers under fastener heads when fastener head is exposed.

6. Coordinate with roofing work for the installation of metal base flashings and other metal items having roof flanges for anchorage and watertight installation.

7. Nail continuous cleats on 75 mm (3 inch) on centers in two rows in a staggered position.

07 60 00 - 7

8. Nail individual cleats with two nails and bend end tab over nail heads. Lock other end of cleat into hemmed edge.

9. Install flashings in conjunction with other trades so that flashings are inserted in other materials and joined…