TOLERANCES FOR BRIDGES, EROSION-PROTECTION STRUCTURES,
AND SMALL HYDRAULIC STRUCTURES
Location of openings through concrete members ............. 1/2 in.
Formed surface slope with respect to the specified plane
Watertight joints ........................... 1/8 in. in 10 ft
Other exposed surfaces ...................... 1/2 in. in 10 ft
Concealed surfaces ............................ 1 in. in 10 ft
Unformed exposed surfaces slopes with respect to the
specified plane .................................. 1/4 in. in 10 ft
.................................. 3/8 in. in 20 ft
TOLERANCES FOR TUNNEL LININGS, CONDUITS, AND FILLING
AND EMPTYING CULVERTS
(1)
Lateral alignment
Centerline alignment
Water conveying tunnels, conduits,
and culverts ......................................... 1/2 in.
Others ................................................. 1 in.
Inside dimensions ....................... 0.005 times inside dimension
(2)
Level alignment
Profile grade
Water conveying tunnels, conduits,
and culverts ......................................... 1/2 in.
Others ................................................. 1 in.
Surface of invert ......................................... 1/4 in.
Surface of side slope ..................................... 1/2 in.
(3)
Cross-sectional dimension
Thickness at any point
Tunnel and culvert lining ............................. -0 in.
Conduits ........................ +5 percent thickness but not
less than 1/2 in.
...................... -2.5 percent thickness but not
less than 1/4 in.
1.5
SUBMITTALS
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NOTE: Submittals must be limited to those necessary
SECTION 03700
Page 31
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