Where welding is called for, it shall be by the electric arc process in accordance with the American Welding Society’s Code for Arc and Gas Welding in Building Construction. Small scale plans and elevations showing all truss members, joints and methods of assembly. **. Northeastern Lumber Manufacturers Association. Columns. All joinery shall be accurately cut so as to make a neat, snug fit. Miscellaneous hardware for heavy timber construction, including but not limited to: Plate connectors and bolts. Padding or non-marking slings shall be used, and corners shall be protected with blocking. 0000002672 00000 n 0000001705 00000 n Timber species shall be Douglas Fir, Select Structural, S4S Or #1 & Better Douglas Fir, S4S, FOHC or Native Hemlock/Pine, Rough Sawn or S4S. 0000002737 00000 n 0000001686 00000 n Trusses and all components for a complete installation to be supplied by: Timber shall be sized according to engineering requirements. 0000004778 00000 n Records of grade marks and certificates indicating … According to the 2012 IRC codes any beam, joist, or header shall never have a bearing of less than 1 1/2″. The assembled trusses shall be reasonably straight, plumb, level and square. Other sizes can be made for special requests. Store under cover in a well-ventilated area. 0000026040 00000 n (Example: Per … All joints that require pegging shall have pegs driven until snug or flush. LENGTHS. 0000018317 00000 n 16" up to 24". Include any and all modifications to the design that are structurally required under 1.03 C. 2. of this section. Minimum size shall be 6″ x 6″ in all directions. We are not automated, so we have the flexibility to create structures to our clients exacting details. 0000001340 00000 n 2. • Beam Sizing: Our heavy timber beams are cut to Standard Dimensions. 0000003840 00000 n 0000025703 00000 n Extreme Fiber Stress Modulus of Species in Bending 2 Elasticity or Group Grade Single MemberFb E It is characterized by the use of members (typically larger than 4×6) arranged in two-dimensional frames at a consistent interval throughout a building. Unless otherwise noted, all timber shall be per “Standard Grading Rules for Western Lumber” by the Northeastern Lumber Manufacturers Association. Truss design shall provide the required stability and resistance to gravity loads. Larger sizes may take longer to create as they are created on customer demand. Minimum size shall be 6″ x 6″ in all directions. Pegs with a mushroomed head shall be cut off below that portion. All steel shapes, plates, and tubes, unless otherwise specified, shall conform to ASTM A-36, as amended to date. Portions of the structure not adequately braced by design shall have temporary braces until the decking is applied. Surfaces which are not accessible for field painting shall have one shop coat of black paint before leaving the shop. Structural design, fabrication and installation of heavy timber beams, columns, & trusses.Perform all work required to properly complete the heavy timber work as shown on the drawings and as specified herein. Tools used to drive or pull joints together shall not permanently mar the finished surfaces of the trusses. Submit under provisions of Section 01300. Columns shall be continuous or superimposed 2. The calculator does the moment and required section modulus calculations after you enter the load, span, size, and Fb values. Unless otherwise noted, all timber shall be per “Standard Grading Rules for Western Lumber” by the. He shall be responsible for the accuracy and fit of the various parts of his work and the proper building-in of same. 0000001538 00000 n Furnish and install all necessary hardware and metal shapes required for assembly and erection of the trusses. There is a link to a table of NDS values for some grades and species of … Peg material shall be straight grained, all heartwood, knot free, and reaction free from Birch or Oak. 0000000716 00000 n }��MT_�5���L�0��P�ȅg��&�5Eo!�2Y��%�Z���-���n��\H��wDa���nZr�1�]�������ID�~�g��� ��^��WÃ�D�q�� KR;Q����ipu�L#���kdY���o �hBaL. 0000001920 00000 n GRADE. ����{ᚏOS ^��\A(�O.���3U����x��������$�5͘q�[U�����[1�,f��lh_a��A|����������&y���M��[p(��s{���4�3)�s� �H5�2�;�x���'��,����S/“X��6w���0���y��@̶�A�R�][��P�hw�yK���M�͆.ۼ��^s��׃> Wood columns may be sawn or glued laminated and shall be not less than 8 inches, nominal, in any dimension when supporting floor loads, and not less than 6 inches, nominal, in width and 8 inches, nominal, in depth when supporting roof and ceiling loads only. Beams of more than one ply must be fastened together with either nails or bolts. Provide all labor, materials, staging, scaffolding, temporary bracing, crane, hoists, rigging, equipment, and services necessary to perform the Work of this Section. Truss components and assemblies must be checked for dimensions and anchorage accuracy before erection. Trusses damaged in shipment or at the job site shall be repaired or replaced at no cost to the Owner. Temporary bracing and guy lines shall be provided to adequately protect all persons and property and to ensure proper alignment. relates to fire resistance and is specifically defined as a construction type—Type IV—within the 2015 International Building Code (IBC). 0000011118 00000 n MILLINGS. Clear & Knotty Timbers. Sizes Available — Up to 36 Feet Long. 36 Fairbanks Road, North Springfield, VT 05150, Historic Reconstructions: Continuing the Timber Frame Tradition, Timber Framing vs. Post and Beam Construction. �>�5�CO��4�����n�g�3�X�5j]X��Ȇl�VZ�N�1b!H�>�!a�خk-3R+�.Jk��Ms`�Ŷ��/J0� rȋ8��/�Jy beam, and heavy timber braced frame. 1200 x 1.1 x 1.15 = 1518 psi adjusted Fb, allowable fiber stress in bending. Solid Beams: Which Is Best For Your Project? Broken pegs shall be removed and replaced. THICKNESS. Solid wood columns are available in lengths up to 36 feet and in diameters ranging from 6 inches up to 24 inches, depending on the species of wood you need. The Contractor shall obtain and verify all measurements and conditions at the building as required for the proper installation of his work. Nominal Sizes: 2″to 4″thick by 2″and wider Grades described in Western Lumber Grading Rules,Sections 40.00, 41.00, 42.00 and 62.00. ��(p�Z� trailer <<4ad01420134611da8c53001124daefbc>]>> startxref 0 %%EOF 237 0 obj<>stream ��~F�yV�|y��*6���� �%$,�p� #�_Ӽ�>Rf� �NI}�nk���^:fҊM���T�� endstream endobj 235 0 obj<> endobj 236 0 obj<> endobj 238 0 obj<> endobj 239 0 obj[] endobj 240 0 obj<>/Font<>/XObject<>/ProcSet[/PDF/Text/ImageB]/ExtGState<>>> endobj 241 0 obj<> endobj 242 0 obj[/CalRGB<>] endobj 243 0 obj[/Separation/PANTONE#20622#20CVU 242 0 R 249 0 R] endobj 244 0 obj<> endobj 245 0 obj<> endobj 246 0 obj<>stream Pegs shall protrude 1″ – 2″ on both sides of truss except where they should be flush as directed above. Steel pipe shall conform to ASTM 53, Grade B. All other steel shapes, plates, tubes, etc. 0000004585 00000 n 16". 0000001473 00000 n Glulam vs. Protect trusses and keep under cover in transit and at the job site. 0000002940 00000 n Joinery shall be in the best of the early English and early American traditions, designed for strength, shrinkage, checking, and twisting. Sample specs are provided as a starting point for specification writers to use for Heavy Timber, Post & Beam, Timber Frame and Section 06130 projects. Shop Drawings shall include details for every member and connection and shall show connector plates, pegs, mortises, tenons, lengths, angles of cut, etc. 1. Or steel as detailed on Structural Drawings. Trusses shall be pre-finished on all surfaces and joints with one coat of Polyurethane for Fir, Minwax or equal for native material. shall be thoroughly cleaned and given one heavy shop coat of an approved red lead primer (black), well worked into all joints and open spaces. Vermont Timber Works custom designs and fabricates beautiful timber frame homes, post and beam barns, heavy timber churches, cathedral ceilings and more. Installation of trusses shall be in accordance with the details and notes on the Drawings, the approved Shop Drawings, code requirements, and the best trade practices. WIDTHS. Timber species shall be Douglas Fir, Select Structural, S4S Or #1 & Better Douglas Fir, S4S, FOHC or Native Hemlock/Pine, Rough Sawn or S4S. Anything 5′ and above we always at least double cripple. 0000002446 00000 n 0000002606 00000 n Fastening. Nominal Size: Actual Size : Weight / Foot ** 1 X 3.75 X 2.5: 0.47: 1 X 4.75 X 3.5: 0.64: 1 X 6.75 X 5.5: 1.00: 1 X 8.75 X 7.25: 1.32: 1 X 10.75 X 9.25: 1.69: 1 X 12.75 X 11.25: 2.05: 2 X 3: 1.5 X 2.5: 0.94: 2 X 4: 1.5 X 3.5: 1.28: 2 X 6: 1.5 X 5.5: 2.00: 2 X 8: 1.5 X 7.25: 2.64: 2 X 10: 1.5 X 9.25: 3.37: 2 X 12: 1.5 X 11.25 : 4.10: 2 X 14: 1.5 X 13.25: 4.83: 3 X 3: 2.5 X 2.5: 1.52: 3 X 4: 2.5 X 3.5: 2.13: 3 X 6: … No trusses shall be ordered or fabricated prior to the approval of the Shop Drawings by the Architect. 0000005160 00000 n Shop Drawings shall include stress analysis and joint design by a practicing registered. Exposed edges shall have a 1/2″ wide chamfer (S4S spec). The work includes, but is not necessarily limited to the following: Timber components of every description, including beams, girts, plates, braces, ties, pegs, webs. After erection, touch-up as required. 234 0 obj <> endobj xref 234 21 0000000016 00000 n

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