Minimum Curb And Gutter Slope

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.

Minimum curb and gutter slope.

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. In illinois the minimum slope for curb and gutter is 0 40. Other than 4 gutter cross slope locations within the plans. Depends on the type of road.

Curb and gutter 300. Revised 4 bar minimum lap from 2 0 to 1 1 sheet 2 revised gutter plan detail to gutter type g 3. Fdm 11 46 10 3 for gutter cross slope design guidance with curb ramp applications. The gutter slope also called the pitch is the amount the gutter tilts down to let rainwater flow out of it.

O 13 2015 1 exh. Sheet 4 added alternate precast concrete details. If gutters slope too severely they don t hold water and water could splash over the sides in heavy rain. Sheet 2 3 added table for 1 3 slope.

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. Low volume low speed roads may have 6 spread on the driving lane. 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.

B2 type g 2 and g 3 gutter transitions. Concrete gutter curb elements and traffic separator. Concrete barriers traffic railings and parapets. Maximum grades on curb and gutter and streets shall be 10 percent.

Median opening flume 283. Minimum street grades wolfhnd civil environmental 19 aug 03 00 08. Concrete shoulder gutter spillway 284. The amount of collected water increases until it spills over the sides of the gutter.

Inlets are spaced to limit water encroachment to 3 on to the traffic lane 10 year storm frequency. O 03 2010 1 exh. B1 gutter and curb details. Label any non standard i e.

All pedestrian facilities will conform to the current federal ada. Provide inlet spacings per fdm 13 25 15 for the selected gutter slope designs. At a minimum include.