SECTION 06130

HEAVY TIMBER FRAMING

PART 1 GENERAL

WORK INCLUDED

Heavy structural timber for posts, beams, [joists,] [purlins,] [and] [_______________.]

Connection hardware.

WORK FURNISHED BUT INSTALLED UNDER OTHER SECTIONS

Furnish steel support fabrications to be cast in concrete to Section [03001-Concrete Work.] [03100-Concrete Formwork.]

Furnish steel support fabrications [embedded] [bearing upon and anchored] into masonry to Section [_____ -__________].

RELATED WORK

Section 06112 - Framing and Sheathing: Structural dimension lumber framing.

Section 06125 - Wood Decking.

Section [_____ - __________:] Heavy Timber Trusses.

Section 06181 - Glue-Laminated Structural Units.

Section 06192 - Prefabricated Wood Trusses.

Section 06196 - Plywood Web Joists.

REFERENCES

ALSC - American Lumber Standards Committee: Softwood Lumber Standards.

AITC - American Institute of Timber Construction.

ANSI/ASTM A123 - Zinc (Hot Galvanized) Coatings on Products Fabricated from Rolled, Pressed, and Forged Steel Shapes, Plates, Bars, and Strip.

ANSI/AWS D1.1 - Structural Welding Code.

NFPA - National Forest Products Association.

RIS - Redwood Inspection Service: Standard Specifications for Grades of California Redwood Lumber.

SFPA - Southern Forest Products Association.

WCLIB - West Coast Lumber Inspection Bureau: Standard Grading Rules for West Coast Lumber.

WWPA - Western Wood Products Association.

QUALITY ASSURANCE

Lumber Grading Agency: Certified by ALSC.

Manufacturer: Company specializing in manufacture of heavy timber framing [certified by AITC] with [three] [_____] years minimum experience.

SUBMITTALS

Submit shop drawings [and product data] under provisions of Section [01300.] [01340.]

Indicate dimensions, wood grades, component profiles, drilled holes, fasteners, connectors, erection details and sequence.

Indicate welded connections using standard AWS welding symbols. Indicate net weld lengths.

Submit shop drawings with the seal of a Professional Structural Engineer registered in the State of [__________.]

[Submit product data on proprietary connection devices.]

PART 2 PRODUCTS

MATERIAL

Lumber Grading Rules: [NFPA] [RIS] [SFPA] [WCLIB] [WWPA.]

Lumber: Stress group [_____;] [__________] species; [_____] grade;maximum moisture content of [_____] percent.

ACCESSORIES

Connectors: Type [weldable] [__________] steel; manufactured by [_______________.]

Bolts, Nuts, Washers, Lags, and Screws: Medium carbon steel; [plain finish;] [galvanized coating;] [__________;] size and type to suit application.

Zinc [Chromate] [Rich] Primer: [_______________.]

FABRICATION

Fabricate components in accordance with [AITC,] [__________,] with joints neatly fitted, welded, and ground smooth.

FINISHES

Prime connectors, except where cast in concrete.

Galvanize connectors in accordance with ANSI/ASTM A123.

PART 3 EXECUTION

ERECTION

Set structural members level and plumb, in correct position.

Make provision for erection loads, and for sufficient temporary bracing to maintain structure safe, plumb, and in true alignment until completion of erection and installation of permanent bracing.

Do not field cut or alter structural members without approval of Architect/Engineer.

After erection, touch up [primed] [galvanized] surfaces with [primer consistent with shop coat.] [zinc primer.]

END OF SECTION