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م ي ح ر ل ا ن م ح ر ل له ا ل م ا س بSanitation Study and wastewater collection system conceptual design for Beita Town by Hamadalla Alsayyed Shehada Dweikat under the direction of Dr. Sameer Shadeed 2011-2012

INTRODUCTION

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بسم الله الرحمن الرحيم Sanitation Study and wastewater collection system conceptual design for Beita Town by Hamadalla Alsayyed Shehada Dweikat under the direction of Dr. Sameer Shadeed 2011-2012. INTRODUCTION. Introduction . Sanitation situation reflects the development of communities. - PowerPoint PPT Presentation

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Page 1: INTRODUCTION

الرحيم الرحمن الله بسم

Sanitation Study and wastewater collection system conceptual design

for Beita Town

byHamadalla Alsayyed

Shehada Dweikat

under the direction of Dr. Sameer Shadeed

2011-2012

Page 2: INTRODUCTION

INTRODUCTION

Page 3: INTRODUCTION

Sanitation situation reflects the development of communities.

Health of people is also related to the sanitation situation.

Existing of sewerage system consider an indication of a good sanitation situation.

Beita is not served by a sewerage system.

Introduction

Page 4: INTRODUCTION

Identify the existing sanitation situation.

Identify the water supply system and sanitation problems.

Conceptual design of wastewater collection system.

Project Objectives

Page 5: INTRODUCTION

Project Location

Page 6: INTRODUCTION

Methodology Data Collection

Questionnaire

Municipality Citizens

Analyze Data

AutoCad Civil 3D SewerCad

Page 7: INTRODUCTION

STUDY AREA

Page 8: INTRODUCTION

Topography

Page 9: INTRODUCTION

Population Design year for the sewerage system is

2040.

Forecasting population using: Pn = P0

Year Growth rate % Population 2010 - 10002010-2020 3 134392020-2030 2.8 177132030-2040 2.6 18185

Page 10: INTRODUCTION

Mean Monthly Temperature

Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.0

5

10

15

20

25

30

Page 11: INTRODUCTION

Monthly Rainfall

Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.0

20

40

60

80

100

120

140

160

Page 12: INTRODUCTION

The main source is from Mekorot company.

Several springs

Water Source

Page 13: INTRODUCTION

QUESTIONNAIRE

Page 14: INTRODUCTION

Questionnaire was developed to collect information needed.

It was include:

• Household information • water consumption • waste water• Solid waste• General health and hygiene

Questionnaire

Page 15: INTRODUCTION

Sampling

Page 16: INTRODUCTION

Sample size is 70.

Average number of family members is 7.

Average size of cesspit is 32.5 m³.

Average volume of solid waste is 5 kg/day.

60% have a cistern, while 40% does not.

Data Analysis

Page 17: INTRODUCTION

WATER DISTRIBUTION SYSTEM

Page 18: INTRODUCTION

Beita is served by WDN since 1996.

The state of WDN is good.

The Avg. lost is 32%.

The adequacy of water

Water Distribution System

11%

74%

15%

excellentmediumweak

Page 19: INTRODUCTION

Water Consumption

Page 20: INTRODUCTION

Average Monthly Rate

Page 21: INTRODUCTION

GENERAL HYGIENE SITUATION

Page 22: INTRODUCTION

The hygiene situation is good.

General Hygiene and Sanitation

Page 23: INTRODUCTION

Solid Waste The amount of disposal solid is 20 ton/day.

700 gm solid waste per capita.

The number of containers in general is enough.

Page 24: INTRODUCTION

Landfill ground is rocky and contains large pits.

Status of landfill is very bad.

The waste is burn in unhealthy way.

Landfill

Page 25: INTRODUCTION

Wastewater discharge using cesspits.

95% is percolating and 5% is septage.

Trucks are used to emptying from cesspits.

Disposal of Wastewater

Page 26: INTRODUCTION

Sewerage Collection System

Page 27: INTRODUCTION

Look !!!

Page 28: INTRODUCTION

Separate system from storm water is used.

Side of the network.

System characteristics

Page 29: INTRODUCTION

The design per capita water consumption to 120 l/c.d.

Quantity of waste water is 75 % of the consumed water.

Wastewater Production

Page 30: INTRODUCTION

Population Density

Page 31: INTRODUCTION

The Area Area Description Current Density(Capita/dunum)

predicted Density(Capita/dunum)

1 Beita alfouqa 21 25

2 Beita altahta 30 35

3 Beer quza 6 15

4 Almahfrah 6 15

Page 32: INTRODUCTION

Velocity range 0.6 – 6 m/s.

Minimum diameter 200 mm.

slope range 1% -12 %.

Cover range 0.8 – 5 m.

Design Criteria

Page 33: INTRODUCTION

Design of Sewerage System

Page 34: INTRODUCTION

Design Program

Page 35: INTRODUCTION

Supplementary Program

Page 36: INTRODUCTION

Design Steps

Page 37: INTRODUCTION
Page 38: INTRODUCTION
Page 39: INTRODUCTION
Page 40: INTRODUCTION
Page 41: INTRODUCTION
Page 42: INTRODUCTION

Network Layout

Page 43: INTRODUCTION

Total number of manholes is 1146.

Total length of pipes is 33.739 km.

The diameter of pipes vary between 200 mm and 300 mm

Total number of outfalls is 3.

93% of the town is served.

Sample Calculation

Page 44: INTRODUCTION
Page 45: INTRODUCTION

Profile

Page 46: INTRODUCTION

Outfalls

Page 47: INTRODUCTION

Number of outfall Inflow (m3/d)

1 720

2 2100

3 3180

Page 48: INTRODUCTION

CONCLUSION&

RECOMMENDATION

Page 49: INTRODUCTION

Sewerage collection systems is conventional gravity type.

Sewer outfalls and trunk mains design sized for the future development.

The pipes material used is uPVC.

Maximum distance between manholes ≤ 50 m.

Conclusion

Page 50: INTRODUCTION

Surveying points for roads instead of contour map.

Areas not served may use individual house connection.

Use pumps to transfer the wastewater to WWTP.

Recommendation

Page 51: INTRODUCTION

Thank you


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