Section 575 IAC 1-2.5-40 - Metal treatmentAuthority: IC 20-27-3-4
Affected: IC 20-27-9
Sec. 40.
(a) All metal used in the construction of the bus body must be either prime commercial quality galvanized steel or aluminum, except for door handles, grab handles, stanchions, interior decorative parts, and other plated parts.(b) All metal parts that will be painted must be chemically cleaned, etched, zinc-phosphate-coated, and zinc-chromed or epoxy-primed.(c) In meeting these requirements, close attention must be given to lapped surfaces, welded connections of structural members, cut edges, punched or drilled hole areas in sheet metal, closed or box sections, unvented or undrained areas, and surfaces subjected to abrasion during vehicle operation.(d) Materials used in the construction of the bus body must not lose more than ten (10) percent of its weight after a 1000 hour salt spray test as provided for in the latest revision of ASTM Designation: B117 "Standard Method of Salt Spray (Fog) Testing". State School Bus Committee; 575 IAC 1-2.5-40; filed Jun 20, 1988, 8:50 am: 11 IR 3852; readopted filed Oct 10, 2001, 3:37 p.m.: 25 IR 938; readopted filed Jun 19, 2007, 10:10 a.m.: 20070704-IR-575070225RFA; readopted filed Nov 12, 2013, 11:21 a.m.: 20131211-IR-575130420RFA