The document summarizes access hatches produced by CORIX Water Products for below-ground installations. It describes the different types of hatches available in aluminum or galvanized steel in various sizes. It also lists common applications and provides details on loading capacities and specifications for pedestrian, H-20 vehicle, and custom load-rated hatches. Frame types including angle, trough, and low-cost options are specified along with safety and technical requirements. Item numbers, dimensions, weights and notes are provided for standard single and double door hatch sizes.