TOLERANCES FOR BRIDGES, EROSION-PROTECTION STRUCTURES,
AND SMALL HYDRAULIC STRUCTURES
...................................... -3 mm
Members such as columns, beams, piers, walls, and others
(slabs--thickness only) ................................... +13 mm
.................................... -6 mm
Openings through concrete members .......................... 13 mm
(5)
Relative alignment
Location of openings through concrete members .............. 13 mm
Formed surface slope with respect to the specified plane
Watertight joints ........................... 3 mm in 3000 mm
Other exposed surfaces ..................... 13 mm in 3000 mm
Concealed surfaces ......................... 25 mm in 3000 mm
Unformed exposed surfaces slopes with respect to the
specified plane .................................. 7 mm in 3000 mm
................................. 10 mm in 6000 mm
TOLERANCES FOR TUNNEL LININGS, CONDUITS, AND FILLING
AND EMPTYING CULVERTS
(1)
Lateral alignment
Centerline alignment
Water conveying tunnels, conduits,
and culverts .......................................... 13 mm
Others ................................................ 25 mm
Inside dimensions ................... 0.005 times inside dimension
(2)
Level alignment
Profile grade
Water conveying tunnels, conduits,
and culverts .......................................... 13 mm
Others ................................................ 25 mm
Surface of invert ........................................... 6 mm
Surface of side slope ...................................... 13 mm
(3)
Cross-sectional dimension
Thickness at any point
Tunnel and culvert lining ............................. -0 mm
Conduits ....................... +5 percent thickness but not
SECTION 03700
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