Design a sanitary sewer from MH 5 to MH 6. Show your steps to get full score. Given: 100 gallons/capita-day with a peak factor of 2; 4 persons per dwelling unit; 5 dwelling units per gross acre; Vitrified clay pipe, Manning's n = 0.015; Minimum flow velocity of 2.0 fps; Note: 1 million gallons/day = 1.55 cfs.

Design a sanitary sewer from MH 5 to MH 6. Show your steps to get full score. Given: 100 gallons/capita-day with a peak factor of 2; 4 persons per dwelling unit; 5 dwelling units per gross acre; Vitrified clay pipe, Manning's n = 0.015; Minimum flow velocity of 2.0 fps; Note: 1 million gallons/day = 1.55 cfs.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

3. Given the drainage area in the figure below and the indicated information, determine the size and gradient of sewers. Area 3 C = 0.7 A = 5000 m² Inlet time = 4 min Area 2 C= 0.4 Area 1 C = 0.5 A = 4500 m Inlet time = 5 A = 16000 m² Inlet time = 8 min outfall min 4 Length of sewer from manhole 1 to manhole 2 = 100 m Length of sewer from manhole 2 to manhole 3 = 150 m
Determine the discharge thru a storm sewer shown if slope is 0.0009 and roughness coefficient of 0.035. A Q = 8.832 m3/s B No answer among the choices Q = 7.853 m3/s D Q = 8.380 m3/s E) Q = 7.006 m3/s F Q = 6.434 m3/s
3. Given the drainage area in the figure below and the indicated information, determine t. size and gradient of sewers. Area 1 C= 0.5 A = 4500 m Inlet time = 5 Area 2 C = 0.4 A = 16000 m² Inlet time = 8 min Area 3 C= 0.7 A = 5000 m² Inlet time = 4 min outfall min 4 Length of sewer from manhole 1 to manhole 2 = 100 m Length of sewer from manhole 2 to manhole 3 = 150 m A verage velocity of flow in sewers = 0.75 m/s Rainfall intensity duration I = 750/(t+ 10) mm/hr, tis the duration in minutes (concentrati on time is the sum of inlet time and the flow time) submit between may 14-15/2021
A wastewater treatment plant discharges of effluent into a stream. Just upstream from the discharge point, the stream has an ultimate BOD of 5 mg/L.Assuming a cross-sectional area for the stream equal to 100 m2, what ultimate BOD (in mg/L) would you expect to find at a point of 15,000 m downstream? Wastewater Flow: 1 m3/secBOD (ultimate): 40 mg/LRiver Flow: 10 m3/secDeoxygeneation constant kd: 0.22 day-1
i. Draw a flow chart of wastewater treatment plant with their functions (each unit)? Design a sewer for a maximum discharge of 800 L/sec runing half full. Consider Manning's rugosity coefficient n = 0.012, and gradient of sewer S = 0.0001. (Assume missing data) ii.
Question 03 In a given year, a catchment with an area of 9536 km? received 1.3 m of precipitation. The average rate of flow measured in a river draining the catchment was 30 m³s1. a. How much total river runoff occurred in the year (in m³)? b. What is the runoff coefficient? c. How much water is lost due to the combined effects of evaporation, transpiration, and infiltration. (Express in m).
Q1. Using the data for the following storm, determine the index for a watershed of an area of 3 km?. Time (hr) Rainfall (mm) Q (m³/s) 0.5 7 1 25 .89 1.5 12 2.37 3 3.86 2.5 5.35 3 5.54 3.5 4.75 4 3.86 4.5 2.97 2.1 5.5 1.2 .34 6.5
10. How would you determine the gap flow (i.e. major drainage system design flow) for an ARI = 100 years, taking into consideration that the minor drainage system which was designed for an ARI= 5 years is fully operational (i.e. unblocked-blockage is never an issue).
Determine a suitable volume (dimensions) for coagulation basin for a flow of 1350 m3/hr, if t= 40 sec. (use circular tank). 1 A B I = &= % & [
5. A city discharges sewage water into the river from 2 pipes. A pipe discharges 14000 m3 per day (BOD, = 125 mg/L DO = 0 mg/L). B pipe discharges 30000 m3 per day (BOD, = 96 mg/L DO = 1 mg/L). The flow rate of this river is 6 m/sec, DO = 6.0 mg/L, flow velocity is 0.3 m/sec. The initial BOD, of this river is 0 before sewage water into river. The temperature of river and sewage water are 20°C, k = 0.25/day and k, = 0.40/day. Determine (1) The oxygen sag curve. (2) DO at the location from the sewage discharge at 30 km. (3) The location of the critical point and its DO.
PROBLEM #2 The one-hour unit hydrograph for a watershed is given below. Determine the runoff from this watershed for the storm pattern given. The abstractions have a constant rate of 0.3 in/h. What is the area of this watershed? Time (h) 4 5 9. Precipitation (in) 0.5 1.0 1.5 0.5 Unit hydrograph (cfs/in) 10 100 200 150 100 50 Use the same unit hydrograph as in Prob. 7.5.5 and determine the direct runoff hydrograph for a two-hour storm with I in of excess rainfall the first hour and 2 in the second hour.
Q#1: Design a sanitary sewer for a City “A”, using the following data: - Population of the city = (8000) persons - Average water consumption, Qavg-water = (80) Lpcd - Industrial area, Aind = (8000) m2 - Area for commercial activities, Acom = (40) ha - Use Manning’s roughness co-efficient, n = 0.013 Diameter (m) of the sewer =? Slope of sewer = 1 in ?