CORRUGATED METALLIC-COATED STEEL CULVERT PIPE, PIPE-ARCHES AND END SECTIONS MGS-91-11G 1.0 DESCRIPTION. These specifications cover the purchase of metallic-coated corrugated metal culvert pipe and appurtenances for maintenance purposes. 2.0 MATERIALS. 2.1 PIPE. 2.1.1 The pipe and connecting bands shall comply with applicable sections of Specification Sec 725, 1020 and 1022, except as noted herein. 2.1.2 Unless otherwise noted in the bid request, the metallic coating may be either zinc or aluminum, as covered by the applicable specifications listed herein. 2.1.3 All pipe shall have either 2 2/3 by 1/2 inch or 3 by 1 inch corrugations. 2.1.4 The specified thickness of the coated sheet shall be any of those listed for the allowable overfill heights shown in Standard Plan 725.00A Table 1, for the pipe diameter specified and the corrugation used. 2.1.5 All pipe ends shall have 2 2/3 by 1/2 inch annular corrugations extending at least 4 corrugations from the pipe end. This will require re-rolling of ends for certain pipe. 2.1.6 Metal arch pipe B1 through B4 shall comply with the dimensional requirements of AASHTO M 36. 2.2 BANDS. 2.2.1 Unless otherwise noted in the order, bands shall be annular corrugated over the entire width of the band with 2 2/3 by 1/2 inch corrugations. 2.2.2 Unless otherwise noted in the order, all bands shall be a minimum of 24 inches in width. Line Estimated Quantity UOM Response Price Line Amount Response Minimum Release Amount 1-Pipe, Corrugated Metal 12" Diameter Galvanized LINE AR FOO T 2-Pipe, Corrugated Metal 15" Diameter Galvanized LINE AR FOO T 3-Pipe, Corrugated Metal 18" Diameter Galvanized LINE AR FOO T 4-Pipe, Corrugated Metal 21" Diameter Galvanized LINE AR FOO T 5-Pipe, Corrugated Metal 24" Diameter Galvanized LINE AR FOO T 6-Pipe, Corrugated Metal 30" Diameter Galvanized LINE AR FOO T 7-Pipe, Corrugated Metal 36" Diameter Galvanized LINE AR FOO T 8-Pipe, Corrugated Metal 42" Diameter Galvanized LINE AR FOO T 9-Pipe, Corrugated Metal 48" Diameter Galvanized LINE AR FOO T 10-Pipe, Corrugated Metal 54" Diameter Galvanized LINE AR FOO T
