the instant disclosure relates to a system and method of constructing drilling and production platforms that are particularly useful in remote , inaccessible and / or environmentally sensitive operating environments . according to one aspect of the invention , an arctic drilling platform is provided wherein various methods and means of interlocking neighboring platform modules are provided . methods and means for sealing the intersections formed between a plurality of interlocked platform modules are also disclosed . according to further aspects of the invention , improved platform floor plans are provided , and various wellhead cellar layouts and sealing means are also described . methods and means of enhancing the usefulness of modular storage platforms are disclosed , and a number of support post installation and removal techniques are also provided . also taught are a variety of methods of adjusting the height and level of an assembled drilling platform , and methods and means of adding extension members useful for extending the length of a support post are also described .