1.1 This specification covers five types and two styles of open and one type, and one style of covered wood crates designed for net loads not exceeding 4000lb [1800kg]. Open crates are suitable for shipment of items which are not readily susceptible to damage from outside forces and which require only limited protection against the elements.
1.2 If environmental protection is necessary, use of a shroud or a covered crate should be considered. With the exception of Type III, Style B crates, the crates included in this specification are for use in domestic and overseas shipment of net loads not over 4000lb [1800kg]. Use shall be confined to items falling within the dimensions and weight limitations of the types and grades specified in Table 1.
1.3 In general, Style A crates have heavier components and are to withstand rather severe handling and multiple shipment (heavy-duty), while Style B crates should be confined to handling and shipping that impose only light to moderate hazards on the container (light duty). Types I, IV, and V crates are general purpose types; Type II crates are designed for items such as ladders, tubing, extrusions, or wallboard which do not require blocking, bracing, or cushioning; and Type III, Style B crates are designed for such self-supporting material as channels, angles, or other structural members where the container serves only as a means for more convenient stacking and handling.
1.4 The values stated in either inch-pound units or SI units shall be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system must be used independently of the other, without combining values in any way.
1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
1.5.1 Safety- Materials used for the crates shall present no environmental or toxicological hazards as defined by current industry standard or applicable federal or state laws or regulations.
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