392867.900Determine the possible flow into MH DI from the WWS piping in Chesapeake Bay, which isshown on the following page. Calculate:(a) the peak sewage flow based on the following criteria:Average water demand 300 LCDWaste water generated = water suppliedPeaking factor is 4Population density 3.1 people per dwelling unit.(b) the total extraneous flow based on the following criteria:Length of WWS piping 115 metersFoundation drain flow rate 0.5 L/s/dwelling unitAverage roof size 150 m², with a surface runoff coef. of 0.8Rainfall intensity 40 mm/hourManhole inflow | L/s.Joint infiltration 600 litres/day/ 100mm pipeAMINIMUMCLEARANCE RTO WM 1.5 mCURVE DATAR = 106.680A 12° 32'00"ST-11.715Lc 23.336454.877STA. O 33.52813.036R-16.76432-750SR=4-572R-3-048-32-75032-600-3-777MHD36-03224-384-50w70 of 250 CB LEADS15-3044.267150 W. M.32-420-3252010 of 300 CB LEAD 32.420-MH.D224-384MH.S532.75432.95411-08612.19211-5826-44010-049286ㅈMINIMUMCLEARANCE RTO WWS 1.5m3624.384BOULEVARD32,754MH S6MH DI5.486250 1SS3.048375 LDSRDMORE22/4< >

Total sewage flow per person = 1200 L/day / 3.1 = 387.1 L/day/personTotal flow into MIH DI ≈…

Answered: 39 286 7.900 Determine the possible…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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A city has a current total population of 40,000 residents. The estimated design population is 55,000 at the end of a design period of 20 years. Determine the design average, peak, and minimum flow rates. Use the following data. Current daily average flow to the wastewater treatment plant Daily average I/I flow Hourly peak I/I flow = 18,400 m³/d = 80 Lpcd = 180 Lpcd A new junior college will attract 1500 nonresident students per day. The daily average wastewater flow is 50 Lpcd. A new industry will add a daily average flow of 900 m /d for a 24 h/d operation. An hourly peak flow of 1500 m’/d will occur during the day shift. The plant will be shut down one day a week. It is expected that 10% per capita reduction in wastewater flow will occur with the future population growth. The minimum to average flow ratio is 0.4 for the current dry weather wastewater flow.
A municipal wastewater flow of 1,000 m³/d contains 400 mg/L BOD5 and is treated to be in a trickling filter. The filter will use a plastic filter medium with a specific surface area of 200 m³/m² and will operate with a recirculation ratio of 100% and a hydraulic loading of 25 m³/m² -d. Taking both surface loading and volumetric loading criteria into consideration, what volume (m³) of plastic media should be installed?
3. A 55.0 ML/d wastewater treatment plant discharges to a river system with a maximum spring flow of 149.5 m3/min and a minimum summer flow of 98.2 m3/min (upstream of the outfall from the plant). What total allowable BOD (mg/L) could be discharged by the plant if the BOD in the river after dilution must not exceed provincial standards, and there is already 1.1 mg/L of pollution in the river upstream?
The sewage from an area of 160 hectares is to be carried by a circular sewer (n = 0.013). Thepopulation density is 20 persons per hectare. Find the peak flow and minimum flow (40% of average flow)for an average sewage flow of 450 Lpcd. Determine the pipe size and slope to handle these flows
PROBLEM #3 ONLY!!! Problem 1: A storm drain system is shown in Figure P16.11. For the flow conditions indicated, determine the time of concentration from Point A to Point C using the Kirpich, Kerby, Bransby-Williams, and Federal Aviation Administration Methods. Problem 2: Using the Kirpich time of concentration you calculated in Problem 1 and assuming the watershed is located in Seattle, WA, determine the intensity for the 50-year storm. Problem 3: For the watershed in Problems 1 and 2, determine the peak flowrate(in ft3/s )for the 50-year storm event at Point Cusing the Rational Method.
If a dairy processing factory produces an average of 246 md of wastewater with a BODs of 1400 mg/lt. Assuming that per capita daily sewage flow is 110 It and the per capita daily BOD 5 contribution is 40 grams, the ratio of (BOD)5 equivalent population and hydraulic equivalent population is (Answer upto two decimal places)
You are constructing a sewage lagoon with a 3,100 m3/day inlet/outlet flow rate. You must attain a BOD outflow load of 12 mg/L given a BOD inlet load of 26 mg/L. BOD has a half-life of 2.4 days.What volume is needed for the lagoon and how long would it take for the output BOD concentration to reach 1 ppm if freshwater started to replace the wastewater that was previously entering the lagoon?
The average domestic wastewater flow is 108 gallon per capita per day (gpcpd), containing TSS concentrations in wastewater of 244 mg/L. How many pounds of TSS produced per capita per day.

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