Standard Specification for
Porous Concrete Pipe
AASHTO Designation: M 176M/M 176-071
SCOPE
This specification covers porous nonreinforced concrete pipe for use in underdrains.
This specification is applicable for orders in either SI units (M l 76M) or in inch-pound units
(M 176). SI units and inch-pound units are not necessarily equivalent.
Inch-pound units are shown in brackets in the text for clarity,
but they are the applicable values when the material is ordered to M 176.
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Click here to download AASHTO Designation: M 175M/M 175-05 pdf free download
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