Kingdom of Saudi Arabia

Umm Al- Qura University

College of Engineering & Islamic Architecture

Civil Engineering Department

Prepared By

Shami Mohammed SakakneiMohammed Bakor BogdadiAhmad Sameer HamedAbdulrhman Saad Al-NemerAbdulrhman Zbran Al-Shomrani

Supervision

Dr. Mousa Al-Bisy

The main objective of this study was to plan and

design the different elements of an integrated

and economical sewage treatment plant for wali

Al-had districts.

Population Available dataWater Consumption

1- Arithmetic method.

2- Uniform percentage method.

3- Curvilnear method.

4- Declining growth method.

5- Ratio method.

Population Available dataWater Consumption

Assume the average annual rate of water consumption

is 150 l/c/d .

Population Available dataWater Consumption

FIRST STAGE SECOND STAGE

275 23760 350 30240

550 47520 700 60480

137.5 11880 175 15120

Inlet Chamber

Purpose

Design Criteria

Design Calculation

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Inlet Chamber

Qdes = Qmax

Assume T = 30 sec

V = Q*T

Assume d = 3.0 m

A = V/d

Purpose

Design Criteria

Design Calculation

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Inlet Chamber

Purpose

Design Criteria

Design Calculation

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Inlet Chamber

Purpose

Design Criteria

Design Calculation

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Inlet Chamber

Purpose

Design Criteria

Design Calculation

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Screen

Purpose

Design Criteria

Design Calculation

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To remove only fairly large

suspended solids.

Screen

Purpose

Design Criteria

Design Calculation

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Screen

Purpose

Design Criteria

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Screen

Purpose

Design Criteria

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Screen

Purpose

Design Criteria

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Screen

Purpose

Design Criteria

Design Calculation

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Screen

Purpose

Design Criteria

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Screen

Purpose

Design Criteria

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Grit Removal Chamber

Purpose

Design Criteria

Design Calculation

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To Removal grit particles .

Grit Removal Chamber

Purpose

Design Criteria

Design Calculation

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Grit Removal Chamber

Purpose

Design Criteria

Design Calculation

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Grit Removal Chamber

Purpose

Design Criteria

Design Calculation

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Grit Removal Chamber

Purpose

Design Criteria

Design Calculation

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Grit Removal Chamber

Purpose

Design Criteria

Design Calculation

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Grit Removal Chamber

Purpose

Design Criteria

Design Calculation

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Grit Removal Chamber

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Design Criteria

Design Calculation

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Primary Sedimentation Tank

Purpose

Design Criteria

Design Calculation

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To remove about 61 %

suspended solids.

To reduce the BOD by

about 33 % .

Primary Sedimentation Tank

Purpose

Design Criteria

Design Calculation

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Primary Sedimentation Tank

Purpose

Design Criteria

Design Calculation

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Primary Sedimentation Tank

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Design Criteria

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Primary Sedimentation Tank

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Design Criteria

Design Calculation

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Primary Sedimentation Tank

Purpose

Design Criteria

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Primary Sedimentation Tank

Purpose

Design Criteria

Design Calculation

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Primary Sedimentation Tank

Purpose

Design Criteria

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Primary Sedimentation Tank

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Design Criteria

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Primary Sedimentation Tank

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Design Criteria

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Primary Sedimentation Tank

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Design Criteria

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Primary Sedimentation Tank

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Primary Sedimentation Tank

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Primary Sedimentation Tank

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Design Criteria

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Primary Sedimentation Tank

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Design Criteria

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Primary Sedimentation Tank

Purpose

Design Criteria

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Primary Sedimentation Tank

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Design Criteria

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Aeration Tanks

Purpose

Design Criteria

Design Calculation

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Transfer of oxygen to the liquid

from the air and from the liquid to

the bacterial slime

Aeration Tanks

Purpose

Design Criteria

Design Calculation

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Aeration Tanks

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Design Criteria

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Aeration Tanks

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Design Criteria

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Aeration Tanks

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Aeration Tanks

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Design Criteria

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Aeration Tanks

Purpose

Design Criteria

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Aeration Tanks

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Design Criteria

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Aeration Tanks

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Aeration Tanks

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Aeration Tanks

Purpose

Design Criteria

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Aeration Tanks

Purpose

Design Criteria

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Final Sedimentation Tank

Purpose

Design Criteria

Design Calculation

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To remove the soluble and

colloidal organic matter

Final Sedimentation Tank

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Design Criteria

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Final Sedimentation Tank

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Design Criteria

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Final Sedimentation Tank

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Final Sedimentation Tank

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Final Sedimentation Tank

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Final Sedimentation Tank

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Final Sedimentation Tank

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Final Sedimentation Tank

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Sludge Thickener

Purpose

Design Criteria

Design Calculation

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Relatively thin sludges are

increased in solids content in order

to reduce the total volume and

thus the size of subsequent units .

Sludge Thickener

Purpose

Design Criteria

Design Calculation

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Sludge Thickener

Purpose

Design Criteria

Design Calculation

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Sludge Thickener

Purpose

Design Criteria

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Sludge Thickener

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Sludge Thickener

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Sludge Thickener

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Sludge Thickener

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Sludge Thickener

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Sludge Thickener

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Sludge Thickener

Purpose

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Sludge Thickener

Purpose

Design Criteria

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Sludge Thickener

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Design Criteria

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Drying Beds

Purpose

Design Calculation

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To divided into air drying and

mechanical methods

Drying Beds

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Design Calculation

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Drying Beds

Purpose

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Drying Beds

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Drying Beds

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Contact Tank

Purpose

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To remove the bacteria .

Contact Tank

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Contact Tank

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Contact Tank

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انذي طح أ يف اخلتاو شكز اهلل انعه انقدز أ ي عهنا بعم ىذا ادلشزع تقدو بانشكز اجلشم نسعادة ك قد حاس عهى رضاكى

دلا بذنو ي جيد ألجهنا يف ادلشزع تجياتو انقت انيت انبسيسى / د شكز خاص نسعادة كات ننا رباسا أثناء انعم يف ادلشزع

ننصائحو انقت تفضهو حبضر يناقشت أمي مجال /د انسعدحمد / د.أ ادلشزع

راجنا ي ادلىل عش جم تفقنا خلديت ىذا انط بهده احلزاوسهى صهى اهلل بارك عهى سدا حمد صهى اهلل عهو