Minimum Curb And Gutter Slope
Fdm 11 46 10 3 for gutter cross slope design guidance with curb ramp applications.
Minimum curb and gutter slope. The gutter slope also called the pitch is the amount the gutter tilts down to let rainwater flow out of it. Other than 4 gutter cross slope locations within the plans. A minimum slope along any curb and gutter shall be 0 7 percent and on cross gutter shall be one half percent. B2 type g 2 and g 3 gutter transitions.
The amount of collected water increases until it spills over the sides of the gutter. In illinois the minimum slope for curb and gutter is 0 40. At a minimum include. If gutters don t slope water gathers in them.
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. Depends on the type of road. Maximum grades on curb and gutter and streets shall be 10 percent.
Median opening flume 283. Sheet 4 added alternate precast concrete details. 393 5 1981 12 04 060 driveway dimensions residential. Curb and gutter 300.
Minimum street grades wolfhnd civil environmental 19 aug 03 00 08. 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. O 03 2010 1 exh. O 13 2015 1 exh. Provide inlet spacings per fdm 13 25 15 for the selected gutter slope designs.
Revised 4 bar minimum lap from 2 0 to 1 1 sheet 2 revised gutter plan detail to gutter type g 3. Concrete barriers traffic railings and parapets. Label any non standard i e. B1 gutter and curb details.
Inlets are spaced to limit water encroachment to 3 on to the traffic lane 10 year storm frequency. 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. Concrete gutter curb elements and traffic separator.