SJI Code of Standard Practice by New Millennium Building Systems

More catalogs by New Millennium Building Systems | SJI Code of Standard Practice | 55 pages | 2013-07-11

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Featured catalog pages of SJI Code of Standard Practice

introduction sji code of standard practice code of standardpractice practice for for steel joist girders code of standard steel joists joistsand and joist girders table 2-1 standard end bearing seat depth and standard maximum seat width joist series k lh/dlh dlh dlh section number all 2 to 17 incl 18 to 20 incl 21 to 25 incl minimum bearing depth 2 ½ 64 mm 5 127 mm 7 ½ 191 mm 7 ½ 191 mm maximum seat width 6 152 mm 8 229 mm 12 305 mm 13 330 mm joist substitutes top chord outriggers ext k-series economical design guide general joist information refer to last digits of joist designation the seat width may vary based on design kcs joists joist girders are furnished either underslung or square ended with top chords either parallel pitched one way or pitched two ways underslung types are furnished with a standard end bearing depth of 7 1/2 inches 191 mm joist girders shall be permitted to have either parallel chords or a top chord pitch of up to 1/2 inch per foot 1:24 the

introduction sji code of standard practice code of standard practice for steel joists and joist girders code of standard practice for joists and joist girders code of standard practice for steel joists and joist option 5 asd example option 4 asd example 3 u.s customary units and metric units load diagram per asce 7 2.4.13 d s u.s customary units and metric units 8 0 2.44 m 160 lb/ft 2.34 kn/m 500 lbs 2.22 kn 300 lbs 1.33 kn 6 0 3 0 1.83 m 0.91 m general joist information economical design guide option 5 lrfd example option 4 lrfd example 3 u.s customary units and metric units unfactored load diagram per asce 7 2.3.23 u.s customary units and metric units 1.2d+1.6s 8 0 2.44 m 160 lb/ft sl 2.34 kn/m 500 lbs dl 2.22 kn 300 lbs dl 1.33 kn 3 0 0.91 m 6 0 1.83 m joist substitutes top chord outriggers ext k-series snow load 180 lb/ft 2.63 kn/m dead load 60 lb/ft 0.88 kn/m snow load 180 lb/ft 2.63 kn/m dead load 60 lb/ft 0.88 kn/m 18 457 mm 7 0 2.13 m rr rl 30 0 9.14 m 7

introduction code of standard practice for steel joists and joist girders sji code of standard practice general joist information code of standard practice for steel joists and joist girders table 2.7-1a k-series joists maximum joist spacing for horizontal bridging bridging material size equal leg angles 1 x 7/64 25 x 3 mm r 0.20 5.08 mm ft in mm 5 0 1524 4 4 1321 3 11 1194 1-1/4 x 7/64 32 x 3 mm r 0.25 6.35 mm ft in mm 6 3 1905 6 1 1854 5 6 1676 1-1/2 x 7/64 38 x 3 mm r 0.30 7.62 mm ft in mm 7 6 2286 7 6 2286 7 3 2210 1-3/4 x 7/64 45 x 3 mm r 0.35 8.89 mm ft in mm 8 7 2616 8 7 2616 8 7 2616 economical design guide joist section number bridging force pbr lbs n 340 1512 450 2002 560 2491 top chord joist substitutes ext k-series outriggers 1 to 8 incl 9 to 10 incl 11 to 12 incl 2 x 1/8 52 x 3 mm r 0.40 10.16 mm ft in mm 10 0 3048 10 0 3048 10 0 3048 2-1/2 x 5/32 64 x 4 mm r 0.50 12.70 mm ft in mm 12 6 3810 12 6 3810 12 6 3810 kcs joists

introduction sji code of standard practice code of standard practice for steel joists and joist girders code of standard practice for steel joists and joist girders 2.8 headers headers for open web steel joists k-series as outlined and defined in section 5.2a shall be furnished by the seller such headers shall be any type standard with the manufacturer conditions involving headers shall be investigated and if necessary provisions made to provide a safe condition headers are not provided for longspan steel joists lh-series and deep longspan steel joists dlh-series 2.9 bottom chord lateral bracing for joist girders bottom chord lateral bracing shall be permitted to be furnished to prevent lateral movement of the bottom chord of the joist girder and to prevent the ratio of chord length to chord radius of gyration from exceeding that specified in the steel joist institute standard specifications load tables weight tables of latest adoption the lateral bracing shall be that which is

introduction sji code of standard practice code of standard steel joists joistsand and joist girders code of standardpractice practice for for steel joist girders when joists cannot be delivered as a single piece they shall be permitted to be delivered in several pieces therefore requiring the pieces to be spliced together in the field the manufacturer s instructions shall be followed to ensure matching pieces are joined proper bolts are used and any required bolt tensioning is incorporated all joists shall be handled by methods which avoid damage to any part of the joist for long lh-series joists dlh-series joists or joist girders this may require the use of spreader bars multiple hoisting cables or multiple cranes as necessary to safely handle the joist hoisting cables shall be attached at panel points and shall be at panel point locations selected to minimize erection stresses the current osha safety standards for steel erection 29 cfr part 1926 subpart r steel erection refers to

introduction sji code of standard practice limit state condition in which a structure or component becomes unfit for service and is judged either to be no longer useful for its intended function serviceability limit state or to have reached its ultimate loadcarrying capacity strength limit state load force or other action that results from the weight of building materials occupants and their possessions environmental effects differential movement or restrained dimensional changes load effect forces stresses and deformations produced in a structural component by the applied loads load factor factor that accounts for deviations of the nominal load from the actual load for uncertainties in the analysis that transforms the load into a load effect and for the probability that more than one extreme load will occur simultaneously local buckling limit state of buckling of a compression element within a cross section lrfd load and resistance factor design method of proportioning structural

introduction fire resistance ratings roof ­ ceiling assemblies with membrane protection restrained assembly rating built up roof protection material minimum joist size 12k1 10k1 10k1 12k3 12k1 12k3 12k3 12k1 12k3 10k1 12k5 exposed grid 12k1 10k1 10k1 1 hr 10k1 12k1 12k1 10k1 10k1 10k1 12k1 10k1 fiber board 10k1 10k1 12k3 gypsum board 12k3 10k1 10k1 special area requirements ns not specified general joist information deck material description 22 msg min 26 msg min 26 msg min 28 msg min 26 msg min 24 msg min 26 msg min 26 msg min 24 msg min 28 msg min 26 msg min 28 msg min 22 msg min 28 msg min 24 msg min 28 msg min 26 msg min metal roof deck panels 26 msg min metal roof deck panels 26 msg min 24 msg min 22 msg min 22 msg min 26 msg min 24 msg min 22 msg min 20 msg min insulation maximum joist spacing in 84 48 48 minimum primary support member w8 x 17 w6 x 12 20g@13plf 20g@13plf w8 x 17 20g@13plf w6 x 12 ns 20g@13plf w6 x 12 20g@14plf w8 x 15 w8 x 15 20g@13plf w8 x 15 w6 x 12

introduction fire resistance ratings floor ­ ceiling assemblies with membrane protection cont restrained assembly rating concrete protection material minimum joist size 10k1 10k1 10k1 exposed grid 10k1 10k1 2 hr 10k1 10k1 10k1 10k1 10k1 10k1 minimum thickness in 2.5 2.5 2.5 2.5 2.5 2.5 2.0 2.5 2.5 2.5 2.5 3.25 3.5 nw 10k1 10k1 10k1 3 hr exposed grid 10k1 10k1 10k1 22 ksi max 10k1 gypsum board 10k1 10k1 special area requirements nl not listed general joist information type maximum joist spacing in 24 48 24 48 24 48 economical design guide minimum primary support member w8 x 31 20g@13plf w8 x 31 20g@13plf w8 x 24 20g@13plf w6 x 12 20g@14plf w6 x 12 20g@13plf w8 x 31 ns 20g14plf w8 x 31 20g@13plf w10 x 21 20g@13plf w8 x 24 20g@13plf w10 x 21 20g@13plf w8 x 15 20g@13plf w8 x 20 20g@13plf w10 x 21 20g@14plf w6 x 12 w6 x 12 20g@13plf w8 x 24 w6 x 12 20g@13plf w8 x 31 20g@13plf w10 x 21 20g@13plf w8 x 24 20g@13plf w10 x 21 ul design number g227 g228 g229 g243 g256 g268 g505 g514 g523

introduction osha safety standards for steel erection osha steel erection standard osha steel erection standard parts §1926.751 and §1926.757 parts §1926.751 and §1926.757 open web steel joists open web steel joists § 1926.751 definitions general joist information economical design guide top chord joist substitutes ext k-series outriggers anchored bridging means that the steel joist bridging is connected to a bridging terminus point bolted diagonal bridging means diagonal bridging that is bolted to a steel joist or joists bridging clip means a device that is attached to the steel joist to allow the bolting of the bridging to the steel joist bridging terminus point means a wall a beam tandem joists with all bridging installed and a horizontal truss in the plane of the top chord or other element at an end or intermediate points of a line of bridging that provides an anchor point for the steel joist bridging column means a load-carrying vertical member that is part of the primary

introduction osha safety standards for steel erection illustrations of osha bridging terminus points non-mandatory joist lrfd load tables kcs joists joist substitutes top chord outriggers ext k-series economical design guide general joist information horizontal bridging terminus at wall horizontal bridging terminus at wall osha safety fire resistance sji code of sji standard joist girder load/load standards ratings stand practice specifications weight tables weight tables joist asd load tables horizontal bridging terminus at panel wall horizontal bridging terminus at structural shape 246 www.newmill.com/digital-tools discover the easiest way to specify steel joists and joist

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