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SECTION 06 18 00 GLUED LAMINATED BEAMS

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1 GENERAL

1.1 SECTION INCLUDES

1.1.1 Framing system using structural glued-laminated timber including the following: 1.1.1.1 Beams. 1.1.1.2 Headers. 1.1.1.3 Joists. 1.1.1.4 Rimboards. 1.1.1.5 Studs. 1.1.1.6 Roof decking.

1.2 RELATED SECTIONS

1.2.1 Section 05 05 23 - Metal Fastenings.

1.2.2 Section 06 10 00 - Rough Carpentry.

1.2.3 Section 06 16 36 - Wood Panel Product Sheathing.

1.2.4 Section 07 26 00 - Vapor Retarders.

1.3 REFERENCES

1.3.1 American Institute of Timber Construction (AITC): 1.3.1.1 AITC A190.1 - Standard for Wood Products Structural Glued Laminated Timber. 1.3.1.2 AITC 111 - Recommended Practice For Protection Of Structural Glued Laminated Timber During Transit, Storage And Erection. 1.3.1.3 AITC 112 - Standard for Tongue-and-Groove Heavy Timber Roof Decking. 1.3.1.4 06 18 00-1 AITC 117 - Standard Specifications For Structural Glued Laminated Timber Of Softwood Species.

1.3.2 American National Standards Institute (ANSI) A190.1 - Standard for Wood Products - Structural Glued Laminated Timber, APA The Engineered Wood Association.

1.3.3 American Society of Civil Engineers (ASCE) SEI 7 - Minimum Design Loads for Buildings and Other Structures.

1.3.4 American Wood products Association (AWPA) U1 - Use Category System - User Specification for Treated Wood.

1.3.5 APA - The Engineered Wood Association.

1.3.6 ASTM International (ASTM): 1.3.6.1 ASTM A 123 - Standard Specification for Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products. 1.3.6.2 ASTM A 153 - Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware. 1.3.6.3 ASTM A 276 - Standard Specification for Stainless Steel Bars and Shapes. 1.3.6.4 ASTM A 240 - Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications. 1.3.6.5 ASTM A 575 - Standard Specification for Steel Bars, Carbon, Merchant Quality, M- Grades. 1.3.6.6 ASTM A 666 - Standard Specification for Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and Flat Bar. 1.3.6.7 ASTM A 1011 - Standard Specification for Steel, Sheet and Strip, Hot-Rolled, Carbon, Structural, High-Strength Low-Alloy, High-Strength Low-Alloy with Improved Formability, and Ultra-High Strength. 1.3.6.8 ASTM D 905 - Standard Test Method for Strength Properties of Adhesive Bonds in Shear by Compression Loading. 1.3.6.9 ASTM D 2559 - Standard Specification for Adhesives for Bonded Structural Wood Products for Use Under Exterior Exposure Conditions. 1.3.6.10 ASTM D 3737 - Standard Practice for Establishing Allowable Properties for Structural Glued Laminated Timber (Glulam). 1.3.6.11 ASTM F 1667 - Standard Specification for Driven Fasteners: Nails, Spikes, and Staples.

1.3.7 National Design Specification for Wood Construction, Special Design Provisions for Wind and Seismic, American Wood Council.

1.3.8 Timber Construction Manual, American Institute of Timber Construction, West Coast Lumber Inspection Bureau.

1.4 06 18 00-2 DEFINITIONS

1.4.1 Structural Glued-Laminated (Glulam) Timber: An engineered, stress-rated timber product assembled from selected and prepared wood laminations bonded together with adhesives and with the grain of the laminations approximately parallel longitudinally.

1.5 SYSTEM DESCRIPTION

1.5.1 General: An engineered laminated veneer framing lumber and other engineered wood products with matched depths that work together using fewer pieces and longer lengths.

1.5.2 Design: The framing system (SIMPLE FRAMING SYSTEM as developed by Boise Cascade Company) shall use Engineered Wood Products (EWP) and engineering services in an integrated system of products engineered for EWP wood framing.

1.5.3 Structural Performance: 1.5.3.1 Structural glued-laminated timber and connectors shall withstand the effects of structural loads shown on Drawings without exceeding allowable design working stresses listed in AITC 117 or determined according to ASTM D 3737 and acceptable to authorities having jurisdiction. 1.5.3.2 Seismic Performance: Structural glued-laminated timber and connectors shall withstand the effects of earthquake motions determined according to ASCE/SEI 7.

1.5.4 Requirements: 1.5.4.1 Versa-Lam Beams (Boise Building Solutions Manufacturing LLC): ESR-1040. 1.5.4.2 Versa-Stud (Boise Building Solutions Manufacturing LLC): ESR-1040. 1.5.4.3 Versa-Lam LVL (Boise Building Solutions Manufacturing LLC): ESR-1040.

1.6 SUBMITTALS

1.6.1 Submit under provisions of Section 01 30 00 - Administrative Requirements.

1.6.2 Product Data: Manufacturer's data sheets on each product to be used, including: 1.6.2.1 Preparation instructions and recommendations. 1.6.2.2 Storage and handling requirements and recommendations. 1.6.2.3 Installation methods.

1.6.3 Certificates of Conformance: Issued by a qualified testing and inspecting agency indicating that structural glued-laminated timber complies with requirements in AITC A190.1.

1.6.4 Material Certificates: For preservative-treated wood products, from manufacturer. Indicate type of preservative used and net amount of preservative retained.

1.6.5 06 18 00-3 Research/Evaluation Reports: For structural glued-laminated timber and timber connectors, from ICC-ES.

1.6.6 Certification: Submit certification that the decking size selected will meet the calculated design wind pressure and snow loads. Copy of manufacturers product guide shall qualify.

1.6.7 LEED Submittals: Provide documentation for the following Credits: 1.6.7.1 Product Data for Credit MR 5.1 and Credit MR 5.2: Submit data, including location and distance from Project of material manufacturer and point of extraction, harvest or recovery for main raw material. 1.6.7.1.1 Include statement indicating cost for each regional material and the fraction by weight that is considered regional.

1.6.8 Delegated-Design Submittal: For structural glued-laminated timber and timber connectors and supporting framing.

1.7 QUALITY ASSURANCE

1.7.1 Manufacturer Qualifications: Minimum 10 year experience manufacturing similar products. 1.7.1.1 Manufactured in accordance with ANSI A190.1 and ASTM D905 and supported by an independent inspection agency. Product stamp applied by the manufacturer shall be the quality assurance.

1.7.2 Installer Qualifications: Minimum 2 year experience installing similar products. 1.7.2.1 Installer shall be familiar with and refer to the manufacturers installation guide for each product and assembly. Installer shall consult the manufacturer for guidance on Project specifics.

1.7.3 Mock-Up: Provide a mock-up for evaluation of surface preparation techniques and application workmanship. 1.7.3.1 Finish products designated by Architect scheduled be exposed in the finished project. 1.7.3.2 Do not proceed with remaining work until workmanship is approved by Architect. 1.7.3.3 Rebuild mock-up area as required to produce acceptable work.

1.8 PRE-INSTALLATION MEETINGS

1.8.1 Convene minimum two weeks prior to starting work of this section. 1.8.1.1 Product delivery lead times vary by time of year and advanced planning is required to insure timely and efficient installation.

1.9 DELIVERY, STORAGE, AND HANDLING

1.9.1 Delivery: Verify manufacturer, species, size, appearance grade, lengths, pattern, face finish, 06 18 00-4 and end joints. 1.9.1.1 Comply with provisions in AITC 111.

1.9.2 Storage: 1.9.2.1 Units shall be stored on a level area with adequate blocking to avoid warping. 1.9.2.2 Water-resistant wrapping shall be used on top and sides when stored in uncovered locations. Water resistant wrap shall be `open' at bottom to prevent moisture trapping. 1.9.2.3 Products shall be separated from ground moisture during storage.

1.9.3 Handling: Product units and pieces shall not be dropped or dragged and shall be handled in a way to prevent surface and other damage.

1.9.4 Deliver and store products in manufacturer's unopened packaging bearing the brand name and manufacturer's identification until ready for installation.

1.10 PROJECT CONDITIONS

1.10.1 Maintain environmental conditions (temperature, humidity, and ventilation) within limits recommended by manufacturer for optimum results. Do not install products under environmental conditions outside manufacturer's recommended limits.

1.11 SEQUENCING

1.11.1 Ensure that products of this section are supplied to affected trades in time to prevent interruption of construction progress.

2 PRODUCTS

2.1 MANUFACTURERS

2.1.1 Acceptable Manufacturer: Boise Cascade Company, which is located at: 1111 W. Jefferson St. P. O. Box 50; Boise, ID 83728-0001; Toll Free Tel: 888-264-7372; 800-237-4013 ; Email: request info ([email protected] ); Web: www.bc.com

2.1.2 Substitutions: Not permitted.

2.1.3 Requests for substitutions will be considered in accordance with provisions of Section 01 60 00 - Product Requirements.

2.2 PERFORMANCE REQUIREMENTS

2.2.1 Delegated Design: Engage a qualified professional engineer, as defined in Division 01 Section "Quality Requirements," to design structural glued-laminated timber framing system and connectors.

06 18 00-5 2.2.2 Structural Performance: Structural glued-laminated timber and connectors shall withstand the effects of structural loads shown on Drawings without exceeding allowable design working stresses listed in AITC 117 or determined according to ASTM D 3737 and acceptable to authorities having jurisdiction. 2.2.2.1 Seismic Performance: Structural glued-laminated timber and connectors shall withstand the effects of earthquake motions determined according to ASCE/SEI 7.

2.3 BEAMS

2.3.1 Beam Appearance: 2.3.1.1 Architectural: Voids greater than 3/4 inch ( 19 mm) are filled, three sides (excluding the top) are planed or sanded, and edges are eased on the bottom face of the member. Refer to Drawings for scheduled locations. 2.3.1.2 Industrial: Voids are not filled, and only the two wide surfaces are planed. Refer to Drawings for scheduled locations.

2.3.2 Column Appearance: All four edges shall be eased to match the widths of the Architectural glulams beams and have the same architectural appearance. All sides may be exposed to view.

2.3.3 Product: BOISE GLULAM as manufactured by Boise Cascade Company. 2.3.3.1 Manufacturing Standards: 2.3.3.1.1 APA Mill Number: 1107. 2.3.3.1.2 APA EWS Trademarked Glulam Under These Standards: 2.3.3.1.2.1 ANSI A190.1-2012. 2.3.3.1.2.2 CSA O122-06 and CSA O177-06. 2.3.3.2 Beam Laminations: V4 - Un-Balanced. 2.3.3.3 Beam Laminations: V8 - Balanced. 2.3.3.4 Laminations shall be 10-12% MC maximum 15%. 2.3.3.5 Applications: Manufactured with exterior-grade or wet use adhesives. 2.3.3.6 Species: Manufactured from Douglas Fir / Larch 2.3.3.7 Species: Port Orford Cedar (POC). 2.3.3.8 Chain of Custody: Beams shall be SFI Chain-of-Custody or Certified Sourcing to qualify for LEED® or NGBS™ green building credits. 2.3.3.9 Beam Sizes: 2.3.3.9.1 Width: 3-1/8 inches (79 mm). 2.3.3.9.1.1 6 inches to 24 inches (152 mm to 610 mm) depth. 2.3.3.9.2 Width: 5-1/8 inches (130 mm). 2.3.3.9.2.1 06 18 00-6 6 inches to 36 inches (152 mm to 914 mm) depth. 2.3.3.9.3 Width: 6-3/4 inches (171 mm). 2.3.3.9.3.1 7-1/2 inches to 36 inches (191 mm to 914 mm) depth. 2.3.3.9.4 Width: 8-3/4 inches (222 mm). 2.3.3.9.4.1 9 inches to 36 inches (229 mm to 914 mm) depth. 2.3.3.10 Column Sizes: 2.3.3.10.1 Width: 3-1/8 inches to 8-3/4 inches (79 mm to 222 mm). 2.3.3.10.2 Depth: 5-1/8 inches to 9 inches (130 mm to 229 m).

2.3.4 Dimensional Tolerances: 2.3.4.1 The tolerances permitted at the time of manufacture per ANSI Standard A190.1- 2012 shall be as follows: 2.3.4.1.1 Width: Plus or minus 1/16 inch (1.6 mm) of the specified width. 2.3.4.1.2 Depth: Plus1/2 inch (13 mm) per foot of depth. Minus 3/16 inch (4.8 mm), or 1/16 inch (1.6 mm) per foot of depth, whichever is larger. 2.3.4.1.3 Length: Up to 20 feet (6096 mm) - Plus or minus 1/16 inch (1.6 mm). 2.3.4.1.4 Length: Over 20 feet (6096 mm) - Plus or minus 1/16 inch (1.6 mm) per 20 feet (6096 mm) of length. 2.3.4.1.5 Camber or Straightness: Tolerances are intended for use with straight or slightly cambered beams. The tolerances permitted at the time of manufacture, without allowance for dead load deflection, are as follows: 2.3.4.1.5.1 Up to 20 feet (6096 mm) - Plus or minus 1/4 inch (6 mm). 2.3.4.1.5.2 Over 20 feet (6096 mm)- Add 1/8 inch (3 mm) per each additional 20 feet (6096 mm) or fraction thereof, but not to exceed plus or minus 3/4 inch (19 mm). 2.3.4.1.6 Squareness: The tolerance of the cross section shall be within plus or minus 1/8 inch (3 mm) per foot of specified depth, unless a specially shaped beam is selected.

2.4 HEADERS

2.4.1 Product: VERSA-LAM Beams & Headers as manufactured by Boise Cascade Company.

2.4.2 Manufacture: 2.4.2.1 No Camber. 2.4.2.2 Dimensional Stability. 2.4.2.3 Depths Match BCI Joists. Part of the SIMPLE FRAMING SYSTEM® . 2.4.2.4 Wide Width Installation: Engineered design eliminates bolting or nailing for some 06 18 00-7 applications. Refer to Drawings. 2.4.2.5 Header Sizes: 2.4.2.5.1 Width: 3-1/2 inches (89 mm). 2.4.2.5.1.1 7-1/4 inches to 24 inches (184 mm to 610 mm). 2.4.2.5.2 Width: 5-1/2 inches (140 mm). 2.4.2.5.2.1 7-1/4 to 36 inches (184 mm to 914 mm). 2.4.2.5.3 Width: 7-1/4 inches (184 mm). 2.4.2.5.3.1 7-1/4 to 36 inches (184 mm to 914 mm).

2.5 JOISTS

2.5.1 Product: ALLJOIST as manufactured by Boise Cascade Company. 2.5.1.1 AJS 140: Joist chord width 2-1/2 inches (64 mm) with 1-1/2 inches (38 mm) chord depth. 2.5.1.1.1 Joist Depth: 9-1/2 inches (241 mm). 2.5.1.1.2 Joist Depth: 11-7/8 inches (302 mm). 2.5.1.2 AJS 120: Joist chord width 2-1/2 inches (64 mm) with 1-1/2 inches (38 mm) chord depth. 2.5.1.2.1 Joist Depth: 9-1/2 inches (241 mm). 2.5.1.2.2 Joist Depth: 11-7/8 inches (302 mm). 2.5.1.2.3 Joist Depth: 14 inches (356 mm). 2.5.1.2.4 Joist Depth: 16 inches (406 mm). 2.5.1.3 AJS 25: Joist chord width 3-1/2 inches (89 mm) with 1-1/2 inches (38 mm) chord depth. 2.5.1.3.1 Joist Depth: 9-1/2 inches (241 mm). 2.5.1.3.2 Joist Depth: 11-7/8 inches (302 mm). 2.5.1.3.3 Joist Depth: 14 inches (356 mm). 2.5.1.3.4 Joist Depth: 16 inches (406 mm). 2.5.1.4 AJS 25: Joist chord width 3-1/2 inches (89 mm) with 1-1/2 inches (38 mm) chord depth. 2.5.1.4.1 Joist Depth: 18 inches (457 mm). 2.5.1.4.2 Joist Depth: 20 inches (508 mm). 2.5.1.4.3 Joist Depth: 22 inches (559 mm). 2.5.1.4.4 Joist Depth: 24 inches (610 mm).

06 18 00-8 2.5.2 BCI Joists: 2.5.2.1 BCI 5000 (1.7): Joist chord width 2 inches (51 mm) with 1-1/8 inches (29 mm) chord depth. 2.5.2.1.1 Joist Depth: 9-1/2 inches (241 mm). 2.5.2.1.2 Joist Depth: 11-7/8 inches (302 mm). 2.5.2.1.3 Joist Depth: 14 inches (356 mm). 2.5.2.1.4 Joist Depth: 16 inches (406 mm). 2.5.2.2 BCI 6000 (1.8): Joist chord width 2-5/16 inches (59 mm) with 1-1/8 inches (29 mm) chord depth. 2.5.2.2.1 Joist Depth: 9-1/2 inches (241 mm). 2.5.2.2.2 Joist Depth: 11-7/8 inches (302 mm). 2.5.2.2.3 Joist Depth: 14 inches (356 mm). 2.5.2.2.4 Joist Depth: 16 inches (406 mm). 2.5.2.3 BCI 60 (2.0): Joist chord width 2-5/16 inches (59 mm) with 1-1/2 inches (38 mm) chord depth. 2.5.2.3.1 Joist Depth: 11-7/8 inches (302 mm). 2.5.2.3.2 Joist Depth: 14 inches (356 mm). 2.5.2.3.3 Joist Depth: 16 inches (406 mm). 2.5.2.4 BCI 6500 (1.8): Joist chord width 2-9/16 inches (65 mm) with 1-1/8 inches (29 mm) chord depth. 2.5.2.4.1 Joist Depth: 9-1/2 inches (241 mm). 2.5.2.4.2 Joist Depth: 11-7/8 inches (302 mm). 2.5.2.4.3 Joist Depth: 14 inches (356 mm). 2.5.2.4.4 Joist Depth: 16 inches (406 mm). 2.5.2.5 BCI 90 (2.0): Joist chord width 3-1/2 inches (89 mm) with 1-1/2 inches (38 mm) chord depth. 2.5.2.5.1 Joist Depth: 11-7/8 inches (302 mm). 2.5.2.5.2 Joist Depth: 14 inches (356 mm). 2.5.2.5.3 Joist Depth: 16 inches (406 mm). 2.5.2.5.4 Joist Depth: 18 inches (457 mm). 2.5.2.5.5 Joist Depth: 20 inches (508 mm). 2.5.2.6 BCI 4500s (1.8): Joist chord width 1-3/4 inches (44 mm) with 1-1/8 inches (29 mm) chord depth. 2.5.2.6.1 Joist Depth: 9-1/2 inches (241 mm). 06 18 00-9 2.5.2.6.2 Joist Depth: 11-7/8 inches (302 mm). 2.5.2.6.3 Joist Depth: 14 inches (356 mm). 2.5.2.6.4 Joist Depth: 16 inches (406 mm). 2.5.2.7 BCI 5000s (1.8): Joist chord width 2 inches (51 mm) with 1-1/8 inches (29 mm) chord depth. 2.5.2.7.1 Joist Depth: 9-1/2 inches (241 mm). 2.5.2.7.2 Joist Depth: 11-7/8 inches (302 mm). 2.5.2.7.3 Joist Depth: 14 inches (356 mm). 2.5.2.7.4 Joist Depth: 16 inches (406 mm). 2.5.2.8 BCI 6000s (1.8): Joist chord width 2-5/16 inches (59 mm) with 1-1/8 inches (29 mm) chord depth. 2.5.2.8.1 Joist Depth: 9-1/2 inches (241 mm). 2.5.2.8.2 Joist Depth: 11-7/8 inches (302 mm). 2.5.2.8.3 Joist Depth: 14 inches (356 mm). 2.5.2.8.4 Joist Depth: 16 inches (406 mm). 2.5.2.9 BCI 60s (2.0): Joist chord width 2-5/16 inches (59 mm) with 1-1/2 inches (38 mm) chord depth. 2.5.2.9.1 Joist Depth: 11-7/8 inches (302 mm). 2.5.2.9.2 Joist Depth: 14 inches (356 mm). 2.5.2.9.3 Joist Depth: 16 inches (406 mm). 2.5.2.10 BCI 6500s (1.8): Joist chord width 2-9/16 inches (65 mm) with 1-1/8 inches (29 mm) chord depth. 2.5.2.10.1 Joist Depth: 9-1/2 inches (241 mm). 2.5.2.10.2 Joist Depth: 11-7/8 inches (302 mm). 2.5.2.10.3 Joist Depth: 14 inches (356 mm). 2.5.2.10.4 Joist Depth: 16 inches (406 mm). 2.5.2.11 BCI 90s (2.0): Joist chord width 3-1/2 inches (89 mm) with 1-1/2 inches (38 mm) chord depth. 2.5.2.11.1 Joist Depth: 11-7/8 inches (302 mm). 2.5.2.11.2 Joist Depth: 14 inches (356 mm). 2.5.2.11.3 Joist Depth: 16 inches (406 mm). 2.5.2.11.4 Joist Depth: 18 inches (457 mm). 2.5.2.11.5 Joist Depth: 20 inches (508 mm).

06 18 00-10 2.6 RIMBOARDS

2.6.1 Rimboard: A continuously supported structural element located at the joist elevation in an end bearing wall or parallel to the joist framing that is the full depth of the joist space and manufactured in minimum continuous 8-foot-long segments for the length of the wall, and which is used for any combination of the following: 2.6.1.1 Transfer, from above to below, all vertical loads at the rim board location. 2.6.1.2 Provide diaphragm attachment (sheathing to top edge of rim board). 2.6.1.3 Transfer in-plane lateral loads from the diaphragm to the wall plate below. 2.6.1.4 Provide lateral support to the joist or rafter (resistance against rotation) through attachment to the joist or rafter. 2.6.1.5 Provide closure for the ends of joists or rafters. 2.6.1.6 Provide attachment base for siding and/or exterior deck ledger.

2.6.2 Product: BOISE CASCADE Rimboard as manufactured by Boise Cascade Company. 2.6.2.1 Requirement: Engineered wood rim boards shall be structural composite lumber (Versa-Rim, Versa-Lam®, Versa-Strand® 0.8E and BC Rimboard OSB). 2.6.2.2 Rectangular rim board shall be at least 1 inch (25 mm) thick. 2.6.2.3 I-joist rim boards shall have flanges that are at least 1-1/2 inches (38 mm) wide. 2.6.2.4 Size: Depth to match joists. 2.6.2.5 Construction: Rim board shall be engineered for strength to eliminate need for "squash" blocking. 2.6.2.6 Rim boards shall be used for any combination of the following: Refer to Drawings. 2.6.2.6.1 To transfer, from above to below, all vertical loads at the rim board location. 2.6.2.6.2 To provide a diaphragm attachment (decking to top edge of rim board). 2.6.2.6.3 To transfer in-plane lateral loads from the diaphragm to the wall plate below. 2.6.2.6.4 To provide lateral support to the joist or rafter (resistance against rotation) through attachment to the joist or rafter. 2.6.2.6.5 To provide closure for ends of joists or rafters. 2.6.2.6.6 To provide an attachment base for siding and/or exterior deck ledger. 2.6.2.6.7 To span openings no greater than 4 feet (1219 mm) in lintel applications.

2.7 STUDS

2.7.1 Product: VERSA-STUD as manufactured by Boise Cascade Company.

2.8 SOLID-SAWN WOOD ROOF DECKING

06 18 00-11 2.8.1 General: Comply with DOC PS 20 and with applicable grading rules of inspection agencies certified by ALSC's Board of Review.

2.8.2 Standard for Solid-Sawn Wood Roof Decking: Comply with AITC 112.

2.8.3 Roof Decking Species: Balsam fir, Douglas fir-larch, Douglas fir-larch (North), hem-fir, hem-fir (North), southern pine, spruce pine-fir (North), western hemlock, or western hemlock (North).

2.8.4 Roof Decking Nominal Size: Refer to Drawing.

2.8.5 Roof Decking Grade: Refer to Drawing.

2.8.6 Grade Stamps: Factory mark each item with grade stamp of grading agency. Apply grade stamp to surfaces that will not exposed to view.

2.8.7 Moisture Content: Provide wood roof decking with 15 percent maximum moisture content at time of dressing.

2.8.8 Moisture Content: Provide wood roof decking with 19 percent maximum moisture content at time of dressing.

2.8.9 Face Surface: Rough sanded or wire brushed.

2.8.10 Face Surface: Saw textured.

2.8.11 Face Surface: Smooth.

2.8.12 Edge Pattern: Beaded edge.

2.8.13 Edge Pattern: Bullnosed.

2.8.14 Edge Pattern: Channel grooved.

2.8.15 Edge Pattern: Vee grooved.

2.8.16 Preservative Treatment: 2.8.16.1 Pressure treat wood roof decking according to AWPA U1; Use Category UC2. 2.8.16.2 Process shall include water-repellent treatment for decking to remain unfinished. 2.8.16.3 Process shall not include water repellents or other substances that might interfere with application of indicated finishes.

2.8.17 Accessory Materials 2.8.17.1 Fasteners for Solid-Sawn Roof Decking: Provide fastener size and type complying 06 18 00-12 with AITC 112 for thickness of deck used. 2.8.17.2 Nails: Common; complying with ASTM F 1667, Type I, Style 10. 2.8.17.3 Spikes: Round; complying with ASTM F 1667, Type III, Style 3. 2.8.17.4 Fastener Material: Hot-dip galvanized steel. 2.8.17.5 Bolts for Anchoring Roof Decking to Walls: Carbon steel; complying with ASTM A 307 with ASTM A 563 hex nuts and, where indicated, flat washers. 2.8.17.5.1 Provide hot-dip zinc coated anchors. 2.8.17.6 Sealants: Latex, complying with applicable requirements in Section 07 91 26 - Joint Fillers "Joint Sealants" and recommended by sealant manufacturer and manufacturer of substrates for intended application. 2.8.17.7 Penetrating Sealer: Clear sanding sealer complying with Section 09 93 23.53 - Interior Finishing "Staining and Transparent Finishing" and compatible with topcoats specified for use over it.

2.9 FABRICATI0N

2.9.1 Labeling Requirements: Each length of product shall be stamped at the mill indicating certification mark, mill identification, grade name, and inspection certificate. All labels shall be placed on surfaces where it will not be exposed to view when installed. Request a letter of conformance from manufacturer for dual sided products where labeling will detract from appearance. 2.9.1.1 Authority: WWPA or APA EWS as required.

2.10 TIMBER CONNECTORS

2.10.1 Fabricate connectors from material with bearing plates, deformed bar anchors, and side plates as indicated or required. 2.10.1.1 Material: Steel. 2.10.1.2 Material: Stainless steel. 2.10.1.3 Beam seats. 2.10.1.4 Arch base shoes. 2.10.1.5 Beam hangers with stirrups and top plates. 2.10.1.6 Hinge connectors with side plates and top and bottom plates. 2.10.1.7 Strap ties. 2.10.1.8 Tie rods from round steel bars with upset threads connected with forged-steel turnbuckles complying with ASTM A 668/A 668M. 2.10.1.9 Bolts and, where required, flat washers. 2.10.1.10 Shear plates.

2.10.2

06 18 00-13 Materials: 2.10.2.1 Structural steel shapes, plates, and flat bars complying with ASTM A 36/A 36M. 2.10.2.2 Round steel bars complying with ASTM A 575, Grade M 1020. 2.10.2.3 Hot-rolled steel sheet complying with ASTM A 1011/A 1011M, Structural Steel, Type SS, Grade 33. 2.10.2.4 Stainless-steel plate and flat bars complying with ASTM A 666, Type 304. 2.10.2.5 Stainless-steel bars and shapes complying with ASTM A 276, Type 304. 2.10.2.6 Stainless-steel sheet complying with ASTM A 240/A 240M or ASTM A 666, Type 304. 2.10.2.7 Stainless-steel plate and flat bars complying with ASTM A 666, Type 316. 2.10.2.8 Stainless-steel bars and shapes complying with ASTM A 276, Type 316. 2.10.2.9 Stainless-steel sheet complying with ASTM A 240/A 240M or ASTM A 666, Type 316.

2.10.3 Coating: Finish steel assemblies and fasteners with rust-inhibitive primer, 2 mil (0.05 mm) dry film thickness.

2.10.4 Coating: Hot-dip galvanize steel assemblies and fasteners after fabrication to comply with ASTM A 123/A 123M or ASTM A 153/A 153M.

2.11 MISCELLANEOUS MATERlALS

2.11.1 End Sealer: Manufacturer's standard, transparent, colorless wood sealer that is effective in retarding the transmission of moisture at cross-grain cuts and is compatible with indicated finish.

2.11.2 Penetrating Sealer: Manufacturer's standard, transparent, penetrating wood sealer that is compatible with indicated finish.

3 EXECUTION

3.1 EXAMINATION

3.1.1 Do not begin installation until supporting anchorages have been properly prepared.

3.1.2 If foundation and supporting anchorage points are the responsibility of another installer, notify Architect of unsatisfactory preparation before proceeding.

3.2 SUPPORTING FRAMING

3.2.1 Supporting framing members shall be straight and true and clear of debris and excess moisture.

3.2.2 06 18 00-14 Framing member spacing shall not exceed value used in load-span tables or as otherwise engineered to determine framing lay-out.

3.3 INSTALLATION

3.3.1 Install products in accordance with manufacturer's instructions, approved submittals, and in proper relationship with adjacent construction.

3.3.2 Products damaged on site shall not be used. Adjoining and adjacent products shall be tight and in alignment.

3.3.3 Products shall not be installed when or where moisture content of pieces exceeds 15%.

3.3.4 Fastener size, type, and locations shall be per engineered design and construction.

3.3.5 Fasteners for engineered construction shall be specified by Engineer-of-Record.

3.4 PROTECTION

3.4.1 Protect installed products until completion of project.

3.4.2 Touch-up, repair or replace damaged products before Substantial Completion.

END OF SECTION

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