Feature Story Posted 2/20/2004 Contractor : D'Annunzio & Sons, Inc. Project Name : Newark Liberty International Airport North Area Drainage Contract Owner : Port Authority of NY & NJ. Pit Sizes : 2,600'L x 13'W x 12'D 1,615'L x 21'W x 12'D       This project is an installation of 2,600' of monotwin 5'x7' box culvert in 8' long, 24 ton sections utilizing an American Shoring 8" Steel Heavy Duty Double wall model number 8H-1230D (8"Dx12'Hx30'L Panels) with 12' wide High Arch spreaders. The installation of the 1,615' long pit is comprised of 875' receiving 84"x20' long precast pipe and 740' receiving 72"x20' long precast pipe. This section of the pit utilized the same model but replaced the 12' wide High Arch spreaders with 20' wide High Arch spreaders.