3S-200…-06a by abstraks

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									Limit of excavation beyond end of culvert
shall be determined by a 1:1 slope from
culvert invert to bottom of excavation or
3.0m whichever is less
Rounding
breakpoint
Pavt
Subgrade
*-|A
Minimum earth
embankment 2:1
\
Height of fill
/
Culvert invert
Top of swamp
:• •
y/ZZZZy
-XX / X/// / ■
'/ XXX X f//Z
X >
. T
XX.Xy
//
/ /
////'y x/>
' ////,
x . r/X XXy
' XxX/zXx	y .
Z X XXX//XXX ^XXX.y,
/ >
.' XX/ Firm bottom or asx>
specified
/
jLAjL
I
Limit of swamp excavation under fill
Limits of swamp excavation —
at pipe culvert
«—'A
CROSS-SECTION
D —I
NOTES:
Profile grade
LEGEND:
1 Width of excavation shall be D+1.0m for
pipes < 1000mm in diameter and 2D
for pipes > 1000mm in diameter.
A To be used only where depth of swamp
is 4.0m or less, height of fill is 1.5m
or less and pipe diameter is 1500mm or less.
B All dimensions are in millimetres or metres
unless otherwise shown.
TTTTTT1 Embankment materials
as specified
Culvert invert —
Top of swam
ZZMZ Excavate and backfill
I
X/X/Z-XX XXy
XXX/x:
rrr
77"
Excavate
Xy /;/ XX ////// / / /:
/Zy -y Firm bottom or as ^/y
specified
Date | 1990 04 02 | Rev | 1
x
ONTARIO PROVINCIAL STANDARD DRAWING
Date
EMBANKMENTS OVER SWAMP
AT PIPE CULVERTS
— Limits of swamp excavation —
Note 1
SECTION A-A
OPSD - 203.06

								
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