Concrete Valley Gutter And Minimum Slope

Curb gutter and curb gutter expansion joints shall be located in accordance with section.

Concrete valley gutter and minimum slope.

O 13 2015 1 exh. They can drain internally or to an eaves gutter which has a minimum 1 in 360 fall towards the downpipe. Width contraction joints min. A minimum slope along any curb and gutter shall be 0 7 percent and on cross gutter shall be one half percent.

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. 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. Costs for the joint and sealant in the price bid for valley gutter. Water falls towards a parapet gutter a valley gutter or an eaves gutter.

As slope paving on end rolls cut slopes paved ditches spillways and ditch slopes in median pavement as sidewalks in concrete curbs gutters curb and gutters and valley gutters as nonreinforced headwalls. Maximum grades on curb and gutter and streets shall be 10 percent. 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.

To 3 8 9. All pedestrian facilities will conform to the current federal ada. Seal the joints with hot poured elastic 8 max. Valley gutters are not allowed to cross parkways arterials and collectors.

The pitch of a pitched roof is determined by the construction material of the covering. 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. Concrete valley gutters shall be constructed per mag detail 240. Section 441 miscellaneous concrete 441 1 general description this work includes placing portland cement concrete as follows.

Calculate the gutter slope by dividing the length of the gutter needed by 10. Form saw or score 1. Type joint sealer section 826 02a 2 of the standard specifications include all a minimum 2 depth at approx 10 intervals. For slate this will be at 25 for machine made tiles it will be 35.

Valley gutters crossing local street intersections with local or collector streets shall be a minimum of six feet wide.