Indiana Administrative Code › Title 675 - FIRE PREVENTION AND BUILDING SAFETY COMMISSION › Article 15 - INDUSTRIALIZED BUILDING SYSTEMS › Rule 2 - Indiana Mobile Structures Code › Section 2-31 - In-transit design requirements

Current through July 10, 2024
Authority: IC
				  22-13-2-13
Affected: IC 22-12; IC 22-13; IC 22-14; IC 22-15
Sec. 31.
(a) Scope.
				This section covers the general requirements for designing the mobile chassis
				to fully withstand the adverse effect of transportation shock and vibration
				without degradation of the integrated structure or of its component parts and
				the specific requirements pertaining to the transportation system and its
				relationship to the structure.
(b)
				Definitions. "Chassis" means the entire transportation system comprising the
				following subsystems: drawbar and coupling mechanism, frame, running gear
				assembly and lights.
"Drawbar and Coupling Mechanism" means the rigid assembly
				  (usually an "A" frame), upon which is mounted a coupling mechanism, which
				  connects the mobile structure's frame to the towing vehicle.
"Frame" means the fabricated rigid substructure which
				  provides considerable support to the affixed mobile structure both during
				  transport and on-site; and also provides a platform for securement of the
				  running gear assembly, and drawbar and coupling mechanism.
"Running Gear Assembly" means the subsystem consisting of
				  suspension springs, axles, bearings, wheels, hubs, tires, and brakes, with
				  their related hardware.
"Highway," includes all roads and streets to be legally used
				  in transporting the mobile structure.
"Length," for purposes of transportation only, means the
				  distance from the extreme front of the mobile structure to the extreme rear,
				  including the drawbar and coupling mechanism, but not including expandable
				  features that do not project from the body during
				  transportation.
(c) General
				requirements for designing the structure to withstand transportation shock and
				vibration.
The cumulative effects of highway transportation shock and
				  vibration upon a mobile structure may result in incremental degradation of its
				  designed performance in terms of providing a safe, healthy and durable
				  structure. Therefore, the mobile structure shall be designed, in terms of its
				  structural, plumbing, mechanical and electrical systems, to fully withstand
				  such transportation forces during its intended life.
Particular attention shall be given to maintaining watertight
				  integrity and conserving energy by assuring that structural components in the
				  roof and walls (and their interfaces with vents, windows, doors, etc.) are
				  capable of resisting highway shock and vibration forces during primary and
				  subsequent secondary transportation moves.
In place of an engineering analysis, either of the following
				  may be accepted:
(1) documented
				technical data of suitable highway tests which were conducted to simulate
				transportation loads and conditions; or
(2) acceptable documented evidence of actual
				transportation experience which meets the intent of this
				section.