order to build up a platform section disposed on a downward slope in fig1 adjustable shoulder nut 124 has been threaded up the support post to a higher position as a method of setting an upper shoulder 126 of the adjustable nut at the same elevation as the shoulders on neighboring posts according to the example embodiment of fig1 a plurality of interconnected modular platform sections 50 is provided each of which is installed atop a plurality of support posts according to a further embodiment the lengths of the platform sections are elongated relative to their widths in a presently preferred embodiment the lengths of the platform modules are elongated relative to their widths by a ratio of about 4 1 for example in one particular embodiment each platform section is about 12 5 feet wide and about 50 feet long in the depicted embodiment sixteen such platform sections are combined to provide a substantially square deck surface that is about 100 feet in both length and width according to a detailed embodiment platform 52 is supported by twenty seven different support posts 54 each of which engage various platform sections from beneath the platform along the left side of platform section 60 is a beam member 62 which provides bridging support between support posts 64 and 66 along the right side of platform section 60 is another beam member 70 which provides bridging support between support posts 72 and 74 in one embodiment the underside of platform section 80 is a flat plate and includes a plurality of stiffening members 82 in some embodiments stiffening members 82 are not intended to be structural or load bearing members and are instead.