Concrete Valley Gutter And Minimum Slope

O 03 2010 1 exh.

Concrete valley gutter and minimum slope.

Calculate the gutter slope by dividing the length of the gutter needed by 10. The minimal slope needed for proper gutter drainage is 1 25 cm 1 4 inch for every 3 metres 10 feet of gutter. O 13 2015 1 exh. To 3 8 9.

They can drain internally or to an eaves gutter which has a minimum 1 in 360 fall towards the downpipe. For slate this will be at 25 for machine made tiles it will be 35. Section 441 miscellaneous concrete 441 1 general description this work includes placing portland cement concrete as follows. 3 2 valley gutters 1.

For curb gutter and curb gutter provide contraction joints at 10 centers max. Curb gutter and curb gutter expansion joints shall be located in accordance with section. Seal the joints with hot poured elastic 8 max. Concrete valley gutters shall be constructed per mag detail 240.

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. Water falls towards a parapet gutter a valley gutter or an eaves gutter. Valley gutters crossing local street intersections with local or collector streets shall be a minimum of six feet wide. Type joint sealer section 826 02a 2 of the standard specifications include all a minimum 2 depth at approx 10 intervals.

Costs for the joint and sealant in the price bid for valley gutter. 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. 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.

Form saw or score 1. 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. 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.