In illinois the minimum slope for curb and gutter is 0 40.
Minimum curb and gutter slope.
A minimum slope along any curb and gutter shall be 0 7 percent and on cross gutter shall be one half percent.
O 13 2015 1 exh.
Label any non standard i e.
If gutters don t slope water gathers in them.
B1 gutter and curb details.
The gutter slope also called the pitch is the amount the gutter tilts down to let rainwater flow out of it.
Maximum grades on curb and gutter and streets shall be 10 percent.
O 03 2010 1 exh.
K curb and gutter poured separately from the sidewalk shall have two one half inch steel bars installed as per the standard specifications of the city of mt.
For curb and gutter sections a buffer space of 4 ft to 6 ft 1 2m to 1 8m between the back of the curb and the sidewalk is desirable.
In such situations a rolling sawtooth gutter profile may be necessary.
All pedestrian facilities will conform to the current federal ada.
Sheet 4 added alternate precast concrete details.
Concrete barriers traffic railings and parapets.
At a minimum include.
Longitudinal gutter slopes should usually be not less than 0 3 for curbed pavements although this minimum may be difficult to maintain in some locations.
Revised 4 bar minimum lap from 2 0 to 1 1 sheet 2 revised gutter plan detail to gutter type g 3.
Curb and gutter 300.
Other than 4 gutter cross slope locations within the plans.
393 5 1981 12 04 060 driveway dimensions residential.
Sheet 2 3 added table for 1 3 slope.
Concrete gutter curb elements and traffic separator.
B2 type g 2 and g 3 gutter transitions.
Depends on the type of road.
Roadways in urban and suburban areas without curb and gutter require sidewalks which should be placed between the ditch and the right of way line if practical.
Median opening flume 283.
The amount of collected water increases until it spills over the sides of the gutter.
Minimum street grades wolfhnd civil environmental 19 aug 03 00 08.
Inlets are spaced to limit water encroachment to 3 on to the traffic lane 10 year storm frequency.
If gutters slope too severely they don t hold water and water could splash over the sides in heavy rain.
Fdm 11 46 10 3 for gutter cross slope design guidance with curb ramp applications.