TABLE 1
TOLERANCES FOR FORMED SURFACES
horizontal grooves,
Maximum for entire
and other conspicuous
length------------------ 1/2 inch
lines
3.
Variation of the linear
In any 20 feet --------- 1/2 inch
building lines from
Maximum -----------------1 inch
established position
in plan
4.
Variation of distance
1/4 inch per 10 feet of distance,
between walls, columns,
but not more than 1/2 inch in any
partitions
one bay,and not more than 1 inch
total variation
5.
Variation in the
Minus ---------------- 1/4 inch
sizes and locations
Plus ----------------- 1/2 inch
of sleeves, floor
openings, and wall opening
6.
Variation in
Minus ----------------- 1/4 inch
cross-sectional
Plus ------------------ 1/2 inch
dimensions of columns
and beams and in the
thickness of slabs and walls
7.
Footings:
a.
Variation of dimensions
Minus ------------------ 1/2 inch
in plan
Plus ------------------- 2 inches
when formed or plus 3 inches
when placed against unformed
excavation
b.
Misplacement of
2 percent of the footing
eccentricity
width in the direction of
misplacement but not more than
2 inches
c.
Reduction in thickness
Minus ------------------ 5 percent
of specified thickness
8.
Variation in steps:
Riser ------------------ 1/8 inch
a.
In a flight of stairs
Tread ------------------ 1/4 inch
b.
In consecutive steps
Riser ------------------ 1/16 inch
Tread ------------------ 1/8 inch
-- End of Section --
SECTION 03100A
Page 10
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