Concrete Valley Gutter And Minimum Slope

Maximum grades on curb and gutter and streets shall be 10 percent.

Concrete valley gutter and minimum slope.

Concrete valley gutters shall be constructed per mag detail 240. A minimum slope along any curb and gutter shall be 0 7 percent and on cross gutter shall be one half percent. Curb gutter and curb gutter expansion joints shall be located in accordance with section. Valley gutters crossing local street intersections with local or collector streets shall be a minimum of six feet wide.

They can drain internally or to an eaves gutter which has a minimum 1 in 360 fall towards the downpipe. To 3 8 9. The objective of urban storm drainage is to provide safe passage of vehicle traffic by collecting stormwater from the roadway and to convey it safely to an adequate receiving body while preventing damage to adjacent private properties or undue risk to pedestrian traffic during the design storm event. Form saw or score 1.

Table 8 of e2 as1 quotes the maximum catchment area for the two commonly used valley gutter widths 160 mm for metal tiles and 250 mm for metal cladding and concrete tiles to be only 16m2 and 25 m2 respectively regardless of roof cladding type or pitch or gutter profile. For curb gutter and curb gutter provide contraction joints at 10 centers max. The pitch of a pitched roof is determined by the construction material of the covering. Costs for the joint and sealant in the price bid for valley gutter.

O 13 2015 1 exh. Seal the joints with hot poured elastic 8 max. Width contraction joints min. O 03 2010 1 exh.

Valley gutters are not allowed to cross parkways arterials and collectors. If the length of the gutter is 10 5 metres 35 feet the amount of slope required is 1 25 cm 1 4 inch multiplied by 1 metres 3 5 feet which when. Water falls towards a parapet gutter a valley gutter or an eaves gutter. The minimal slope needed for proper gutter drainage is 1 25 cm 1 4 inch for every 3 metres 10 feet of gutter.

Contraction joints adjacent to concrete pavement on tangents and flat curves are to match the pavement joints with intermediate joints not to exceed 10 centers. Section 441 miscellaneous concrete 441 1 general description this work includes placing portland cement concrete as follows. Type joint sealer section 826 02a 2 of the standard specifications include all a minimum 2 depth at approx 10 intervals. All pedestrian facilities will conform to the current federal ada.

Calculate the gutter slope by dividing the length of the gutter needed by 10.