Current Catalog - John S. Hyatt & Associates, Inc.

JAMESENGINEERINGSUPERTRUSS18 x 12A revolutionary truss designed to offer all the advantages of the Thomas Supertruss design in a 18 x 12layout. This truss has the advantage of being able to accomodate 2 lighting bars back to back.18 x 12 Supertruss provides a substantial increase in loadbearing capacity over the GP 18 x 12 truss.It is made from 6061-T6 alloy 2" x 0.157" tubes in the main chords and 1" x 0.125" tubes in the diagonalsPRODUCTCODEB2360B2361B2362B2363B2364B2365B2300AB2301B1203B2304AB2304BB2308B2311G6671ADESCRIPTION12' Section10' Section8' Section6' Section5' Section2' 6" Section60 Degree corner gate90 Degree corner gate135 Degree corner gate3 Way gate / 120 0 gate3 Way gate with lifting pointSquare support plate18" x 12" Super-truss toGP 18" x 12" adaptor gate12" Supertruss pin extraction toolWTlbs967664484520221089121097Allowable Load DataSpanfeet (meters)10 (3.048)20 (6.096)30 (9.144)40 (12.192)50 (15.24)Maximum Allowable Uniform LoadsLoadspounds (kgs)8496 (3854)*7255 (3291)3324(1508)1695 (769)888 (403)Maximum deflectioninches (mm)0.20 (5)1.50 (38)2.20 (56)2.95 (75)3.70 (94)Maximum Allowable Center Point LoadsLoadspounds (kgs)7348 (3333)3628 (1646)1662 (754)848 (385)445 (202)Maximum deflectioninches (mm)0.20 (5)1.50 (38)2.20 (56)2.95 (75)3.70 (94)LOADING FIGURES show maximum loads between supports in addition to self weight of truss. Information extracted fromstructural report by Broadhurst, Goodwin & Dunn for Super-truss manufactured after November 1993. * Denotes load limited tosuit maximum shear capacity. All loads include 20% overload factor for dynamic effects.Plan View3 Way corner gateSquare support plateEnd ViewSide View90 Degree corner gateD5