Design a pond for treating leachate from a sanitary landfill having an area of 5000 square meters if the runoff coefficient is 0.40 and effective rainfall is 60 mm/hr. The receiving body of water is Class B. Assume appropriate design data.

Q: Overland flow process comes after? A- precipitation. B- runoff. C- runoff generation. D-…

A: given data: Overland flow process comes after?   A- precipitation. B- runoff. C.runoff generation.…

Q: • The infiltration rate at the beginning of a storm is 100 mm/h and decreases to a constant value of…

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Q: Design a circular radial-flow sedimentation tank for a town with a projected population of 45,000.…

A: Populations= 45000 Waste water flow rate = 400 L/capita-d or 0.4 m3/capita-d Detention time (t) = 2…

Q: A spill occurred at a septic tank and an adjacent property owner concerned about the spill could…

A: Well location = 100 feet away from point of spill hydraulic conductivity k = 0.0164 ft/sec slope =…

Q: A 100-acre watershed that is 80% Industrial and 20% newly graded areas (no vegetation). The…

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Q: Use the rainfall data below to determine the o index for the watershed if the runoff depth was 8.2…

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Q: If slope and velocity of a sewer A is 1/P and 7 m/sec. If slope and velocity of a sewer B is 1/700…

A: Material & size of both the sewers are the same.To Find-The value of P.

Q: A city of 5000 persons is to be served by a low rate trickling filter with a synthetic packing (K =…

A: Wastewater treatability and packing coefficient, K= 2.2 constant characteristic of packing used,…

Q: Parameter Wastewater River Flow (m³/s) Ultimate BOD (mg/L) DO (mg/L) Ka (day²) K, (day 1) Speed…

A: solution  in order to calculate the DO at down stream we need  these parameters Qriver = 0.9 m3/sec…

Q: Question During a 6-hour storm the rainfall intensity was 0.8 cm/hr on a catchment of area 8.6 km².…

A: Given Data: →Storm duration = 6 hours→Rainfall intensity, i =0.8cmhour→Runoff volume =256000m3→Area…

Q: average giver (4) n Figure (4). The time of concentration from the lines AA, BB, CC and DD are 1, 2,…

A: Solution: "By considering the above Diagram given in question" The Calculation for discharge at 'O'…

Q: The Lo value just downstream from a sewage outfall is 60 mg/L. The DO saturation level at that point…

A: a) Calculation of critical distance:…

Q: QUESTION: A city of 5000 persons is to be served by a low rate trickling filter with a synthetic…

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Q: Consider a stormwater retention pond that has no outflow. The pond is initially filled with pristine…

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Storm Sewers and Detention

The storm drains system transports rainwater or stormwater and other runoff from roads, parking lots, and roof downpipes directly to nearby creeks, rivers, or the sea without any treatment.