Rev. 7-1-95
PRECOATED GALVANIZED
CORRUGATED STEEL CULVERT
908-R-291
The Standard Specifications are revised as follows:
SECTION 715, AFTER LINE 18, INSERT AS FOLLOWS:
Fully Bituminous Coated and Lined
Corrugated Steel Pipe . .
. . . .. . . . . . . .908.13
Precoated Galvanized Corrugated Steel
Culvert Pipe . . . . . .
. . . . . . . . . . . . . . . 908.08
SECTION 717, AFTER LINE 13, INSERT AS FOLLOWS:
Fully Bituminous Coated and Lined Corrugated
Steel Pipe Arch . . . . .
. . . . . . . . . . . . . . 908.13
Precoated Galvanized Corrugated Steel
Pipe Arch . . . . . . . .
. . . . . . . . . . . . . . . . 908.08
SECTION 908, BEGIN LINE 147, DELETE AND INSERT AS FOLLOWS:
If paved invert is specified for
circular pipe or pipe arch, the pipe shall be fully or
half coated as when specified,
and at least half coated for other applications. Additional
bituminous material shall be applied in the bottom section to
form a smooth pavement. Except where the upper edges intersect
the corrugations, the pavement shall have a minimum thickness of
3 mm (1/8 in.) above the crests of the corrugations. The For
circular pipe, the pavement shall be applied to the lower
quarter of the circumference. For pipe arches, the pavement
shall be applied to the lower 40 percent of the inside periphery.
SECTION 908, LINE 160, DELETE AND INSERT AS FOLLOWS:
908.08 Blank
Precoated Galvanized Corrugated Steel Culvert Pipe and Pipe
Arches. This pipe or pipe arch and coupling bands
shall be in accordance with AASHTO M245 with additions in
accordance with 908.02. The precoated galvanized steel sheets
shall be in accordance with AASHTO (M246M Grade 250/250)
SECTION 908, AFTER LINE 214, INSERT AS FOLLOWS:
908.13 Fully Bituminous Coated
and Lined Corrugated Steel Pipe and Pipe Arches. The
material, fabrication, bituminous coating, and 100 percent paving
shall be in accordance with the applicable requirements of 908.02
and 908.07. Coupling bands shall be fully bituminous coated.