(57) A cover member (10) for mounting in use in a ground surface access assembly includes
a plurality of partly coincident forms (20A, 20B 20C, 20D, 20E) each of which is rectangular
in plan. Each form (20) includes a first side (22) coincident with at least a part
of a first common datum side (14), a second side (24) coincident with at least part
of a second common datum side (16) and a first corner (30) coincident with a common
datum first corner (18). The cover member (10) includes a body (12) and a plurality
of mountings (40, 42, 44, 46) located on an underside in use of the body (12). Each
form (20) is provided with four of the mountings (40, 42, 44, 46), each mounting (40,
42, 44, 46) being located at or towards a corner (30, 32, 34, 36) of the respective
form (20). The mountings (40, 42, 44, 46) of each form (20) comprise a common first
mounting (40) located at or near the datum first corner (18).
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