List the differences between combined and separate sewerage system
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Q: A3 A2 AL Aout A sewer system is to be designed for the urban area of Figure above if Qs = 40.9…
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Q: (a) Explain the differences between the three types of sewerage system
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Q: The catchment area of a sewer is 50 hectares. Estimate the storm water flow corresponding to…
A: Catchment area = 50 hec Rainfall = 40 mm Time concentration = 30 min Impervious area = 55%
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- (a) Explain the differences between the three types of sewerage systemWhich of the following is NOT usually considered in the design of a water supply system? a. Number of occupants b. Fixture operating pressure c. Noise d. Amount of rainfall on the siteInterconnection of sewer service pipe into a sewer main is made by punching the sewer main a hole to fit the sewer service. In what point on the sewer main does the interconnection made? Select the correct response: On the top of sewer main At the bottom of sewer main 45 degrees above the flow line of the main At middle side of sewer main
- Define the term disinfection in the terminology that used commonly for keyconcepts and terms in the field of wastewater management.1. (a) Described with line diagram for the water supply system for multi-storey buildings (up to 15 storeys). (b) List the design requirement for :- (i) water supply to lower floors zone; (ii) high level floor zone supply; and (iii) for the zone of top 5 floors.A3 A2 AL A5 Aout A sewer system is to be designed for the urban area of Figure above if Qs = 40,9 cfs/acre values of area are Aout = 92 A1 = 7 A2 = 7 A3 = 7 A4 = 8 AS = 8 A6 = 7 A7 = 10 calculate total Area input pipe 1-1 total Area input pipe 2-2 total discharge in pipe 1-3 اختر واحدة أو أكثر
- Calculate coefficient of dischargevelocity D-None of these 9- The slope of sewer shall be : A-Given in the direction of natural slope of ground B-Given in the direction opposite to natural slope of ground C-Zero D-Steeper than 1 in 20Distinguish the domestic and industrial wastewater. Comment whether industrial wastewater discharge is prohibited or allowed to pass through the sewage treatment plan
- IC) What method do we use to calculate runoff for storm sewer design? Calculate the total runoff entering pipe a pipe given: Total area draining to the pipe is 1.87 acres; the runoff coefficient for that area is 0.38; tc for the area draining directly into the pipe is 10.2 minutes; tc for the area draining into the preceding pipe is 9.8 minutes; travel time in pipe the preceding pipe is 0.6 minutes. Assume central New Jersey as the location. Using Method, Qp was calculated to be cfs ID) Find the max capacity for the following pipes and determine if they can safely handle a Qp of 3.4 cfs. All pipes are reinforced concrete with n = 0.015. - 12" diameter pipe at a 1% slope has a capacity of - 15" diameter pipe at a 1% slope has a capacity of - 18" diameter pipe at a 0.4% slope has a capacity of - 21" diameter pipe at a 0.05% slope has a capacity of ft/s ft/s cfs and cfs and cfs and cfs and safely handle Qp safely handle Qp safely handle Qp safely handle Qp IE) Check if the following…Determine the total sanitary sewer loading for the three pipes in the subdivision shown below. Also determine the invert elevations based on the design criteria listed. What is the total peak flow into the lift station (MH - 4) in L/s? What are the full flow velocity and full flow discharge for each pipe. What is the ratio of flow depth to pipe diameter for each pipe (i.e. d/D)? Street crown elevations are shown in parentheses. School 230 students/staff 8 single family homes MH-2 (38.65 m) Pipe B 95 m Pipe A-110 m MH-3 MH-1 (38.95 m) (39.61 m) 5 single family 15 single family homes homes A restaurant with 12 employees and Pipe C 500 patrons per day 100 m Base Loading MH-4/Lift Station (38.50 m) Single family homes - 280 LCD/3 people per home School 60 LCD (per student/staff) Restaurant - 30 L/d/employee plus 10L/patron Peaking Factor - 4 Infiltration 0.5 L/d per cm of diameter per m of length. Inflow - No foundation drains but inadvertent inflow - 1 L/min/single family home and 1 L/min…Determine the size of the outlet orifice to release a water quality design volume of 10,600 ft3over a period of 24 hrs
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