4/11/2024 0 Comments Lvl strutting beam span table![]() 0.126 Rafter 120 x 35 MGP 15 Seasoned Softwood Length of Plumb Cut Length of Plumb cut = Rafter Depth Cos. Refer Table 7.6 (AS ) page 110, Ridge depth = rafter plumb cut x 19mm thick. Obtain information for Ridge board Member Rule/Table Size Comments Ridge R T Not Strutted 7.2.12 7.6 (page 110) Check section 7 (Roof Framing) for information – rules & tables for Ridge boards Note:ğind rules relating to Ridge boards, Rule – The size of Ridge boards shall be determined from Table 7.6 Table 7.6 Ridge boards – Refers to Unstrutted ridges in coupled roofs has having a depth not less than length of Rafter Plumb-Cut x 19mm thickġ7 Ridge 0.126 Rafter 120 x 35 MGP 15 Seasoned Softwood , Table 7.6 – Collar Ties gives required Information Refer to floor plan to calculate length of collar tie: / 2 = 3.805 From Table 7.6 – Ties to 4200mm long for F8/MGP12 or higher stress grade – 70 x 35ĥ. Rule &, Rule – Other members or Components, states that Table 7.6 give details for miscellaneous roof framing members not given in span tables of the supplements. Obtain information for Collar Ties Member Rule/Table Size Comments Collar Ties R T or Length & 7.3.17 70 x 35 3.805 7.6 (page 110) Check section 7 (Roof Framing) for information – rules & tables for Collar Ties Note:ğind rules relating to Collar Ties. 6, MGP15, N3 (Check - single or continuous span - roof mass – span – O/hang)Ĥ. 6, N3, s/softwood, MGP 15) Determine Rafter Size from table 29 supp. – rule Rafters (member sizes) Determine Span Table of supplements (supp. ![]() Obtain information for Rafters Member Rule/Table Size Comments Common Rafter R T Rafter Spacing Span Eaves O/Hang Underpurlin is mid-span of Rafter 7.2.11 120 x 35 0.600 29 2.100 7.3.13 0.788 Fill in comments column with information from project specification & Prelim. 6, N3, s/softwood, MGP 15) Determine Hanging Beams to rooms from table 23 supp. – rule Hanging Beams (member sizes) Determine Span Table of supplements (supp. Member Rule/Table Size Comments Room Span CLW Hanging Beams R T Bedroom 1 Bedroom 2 Bedroom 3 Bath / WC Laundry Kitchen Family Dining Lounge Garage W/shop 7.2.5 2 / 90 x 45 23 120 x 45 120 x 35 7.3.7 90 x 45 90 x 35 140 x 45 2 / 170 x 35 170 x 35 170 x 35 140 x 45 N / A – rule Hanging Beams (building practice) 2. Obtain information for Hanging Beams 7.2.5 23 7.3.7 R 6, N3, s/softwood, MGP 15) Find allowable spans for 90 x 35 MGP15 ceiling joists from table 21 supp. – rule ceiling joists (member sizes) Determine Span Table of supplements (supp. Member Rule/Table Size Comments Ceiling Joists R T 90 x 35 600mmc/c Single Span Continuous Span (over more than 1 span) 7.2.4 2.400 21 2.800 7.3.6 – rule ceiling joists (building practice) 2. Obtain information for Ceiling Joists to complete job sheet. Floor to Ceiling height Eaves Width Seasoned S/Wood MGP 15 6 – N3 60Kg/m2 Conventional 2.700 0.600 Fill in comments column with information from project specificationġ2 Member Rule/Table Size Comments 90 x 35 A.S (2006) – Section 7 Roof Framing 1. General Information from Project Details Member Rule/Table Size Comments Timber Species Timber Grade Supp. The Job Specification Fill in the Project job sheets to arrive at final design requirements. 671 Full spread Fan Strut = 1.342 Fan Strut Length = 0.949ġ0 Using the information from the Preliminary Calculations & RLW Underpurlin = Say 2.100 Overhang eaves = 0.788 Purlin horizontal Set Out, “Distance X” = 1.862 Half Spread Fan Strut =. 1 Conventional Roof Framing Residential Studies Certificate IVĬlass Exercise Residential Studies Certificate IV 2182DĢ Using the Floor Plan & Details providedĬomplete the Preliminary Calculations so that the most economical Size, Span and Spacing Of the Ceiling and Roof members can be achieved.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |