2013-02-18

Ms.Khin Aye Myint
Executive Engineer
Engineering Department ( Water & Sanitation )Yangon,Myanmar

OVERVIEW OF MYANMAR

Yangon1

2013-02-18

OVERVIEW OF YANGON CITY AREA

YangonDivision

YANGON CITY AREA :730 Km²POPULATION

About 6 Millions:DISTRICTS:4 Districts

TOWNSHIPS:

33 Townships

AVERAGE ANNUAL
RAINFALL:2700 mm

MEAN MAX: TEMP::

۫33◌C

MEAN MIN: TEMP::

۫21◌C

ORGANIZATION CHART OF YANGON CITY DEVELOPMENT COMMITTEE
MAYOR (Chairman of Y.C.D.C)
Minister of Development Affairs(Yangon region )DEPARTMENTOF CITY PLANNING &LAND ADMINISTRATIONDEPARTMENT OF PUBLIC
RELATION & INFORMATION

SECRETARYDEPARTMEN OF BUDGETAND ACCOUNTDEPARTMENT OFPRODUCTION UNIT

COMMITTEE‐3

COMMITTEE‐4

COMMITTEE‐5

DEPARTMENTOF ENGINEERING(BUILDING)DEPARTMENTOF MARKETSDEPARTMENTOF
ADMINISTRATIONDEPARTMENT
OF ASSESSORSDEPARTMENT
OF REVENUE

DEPARTMENTOF WORKINSPECTION

DEPARTMENTOF SECURITY ANDDISCIPLINE

DEPARTMENT OFENGINEERING(ROAD & BRIDGE)

DEPARTMENT
OF MOTOR
TRANSPORT AND
WORKSHOP

DEPARTMENT
OF CENTRALSTORE

DEPARTMENTOF VETERINARYAND SLAUGHTER
HOUSE

DEPARTMENT
OF HEALTH

District Office(South)

District Office(West))

District Office(North))

District Office(East)

DEPARTMENT
OF POLLUTIONCONTROL AND
CLEANSINNG

COMMITTEE‐7

DEPARTMENTOF PLAYGROUNG,PARK AND GARDEN

DEPARTMENTOF ENGINEERING(WATER &SANITATION)

DEPARTMENT
OF COORDINATION

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ORGANIZATION CHART OF ENGINEERING DEPATMENT(WATER & SANITATION)

Chief Engineer(Head Of Department)

DeputyChief Engineer(DYCE-2)

DeputyChief Engineer(DYCE-1)
ACE
Reservoir
Division

ACE
Water Dist:Division

ACE
Electrical &Mechanical
DivisionAE
Water Quality &Monioring
SectionSupporting
Branch

AEStoreSectionACE
Financial
Division

AEResearch
And Design
Section

ACE
SewageDivisionAE
Computer
Section

ACE
Pipe Plant
Division

My position is one of
executiveengineers in thisdivision

CONDITION BEFORE THE ESTABLISHMENT OF SEWAGE TREATMENT PLANT

Disposal of sewerage into
the river without
treatment before
establishment of Sewage
Treatment Plant

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EXISTING SEWERAGE SYSTEMCROSS SECTION OF EJECTOR AND SEWER PIPE LINES

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MAIN AIR COMPRESSOR FOR SEWERAGE SYSTEMMain Air Compressor in Botadaung Township, Sewage
are driven by air compressing to Treatment Plant◆ Year of Establishment‐1888 year
◆ (6) Steam Turbine Engines of 160 Horse power◆ Change of year to electrical driven‐( 1962‐1963)◆(2) Electrical Air Compressors of 200 Horse power were reinstalled◆(2) Electrical Air Compressors of 120 Horse power were reinstalled◆Total land areas ‐ 2.75 acres

SUB-MAIN AIR COMPRESSOR FOR SEWERAGE SYSTEMAir Compressor Station constructed in 1963
10th Street Air Compressor in Lanmadaw Township,Sewage are driven by air compressing to Treatment Plant◆ Year of Establishment- (1962-1963) year
◆ (2) Electrical Air Compressors of 200 Horse power have been installed◆ Total land areas- 0.3 acres52013-02-18

OVERVIEW OF SEWERAGE SYSTEM IN DOWNTOWN AREA OF YANGON CITYSanitation and sewerage for the Yangon City area is main responsibility of EngineeringDepartment

( Water and Sanitation) under Yangon City Development Committee.

Existing system, conventional sewerage, consists of :⌂Gravityy sewers⌂

39 pneumatic ejector stations⌂Air distribution main⌂

Two sewage force mains and outlet

At present Existing Sewerage System covers only 4.33 km2 area of CBD and serves around 350,000Daily Volume of sewage disposal

Major Issues in Existing Sewerage System:-peoples, 7% of the city population.
- 111840 gal.(508 m³)⌂To establish proper treatment process for the existing sewerage system.

⌂To expand and set up the existing sewerage system.

⌂

To improve urban sanitation environment in Yangon City Area
11LOCATION OF EXISTING SEWAGE TREATMENT PLANT

YangonCityDevelopment
Committee started to constructwastewater treatment in June 2003
by own human resources with theguidance of State Government toprotect the environment.

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EXISTING SEWAGE TREATMENT PLANT

Year of Establishment- 12th April 2003
Year of Completion- 17th January 2005
Year of Opening ceremony
22nd December 2006
Volume of Daily Treatable sewage - 3.25MGD
Developer - Myanmar Engineers of Yangon City Development
Committee
Cost of Project - US$ 0.96 Millions (Myanmar Kyat -2065.7Millions)
Areas of Plant – 5.56 Acres

LAYOUT PLAN OF EXISTING SEWAGE TREATMENT PLANT

Programme for Sewage Treatment Project Detail DesignImplementation
 Installation
 Commissioning Installation
 Training

Design Criteria:
Area of Plant- 5.56 acres
Design population- 300,000
Daily wastewater
discharge- 14775 m3/day
BOD influent- 600mg / l
BOD effluent- 60 mg / lSuspended solid influent- 700 mg / lSuspended solid effluent- 40 mg / l7

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PROCESS OF EXISTING SEWAGE TREATMENT PLANT

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Pump Sump

Auto Bar Screen8

2013-02-18

Grit Separator

Primary Sedimentation Tank

Aeration tank

Secondary Sedimentation Tank
Wastewater treatment plant
was operated in January 2005.
Waste are treatedby activated sludge processwith the aid of surface aerators.

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Chlorination Tank

Effluent Waste Water

Sludge Thickener Tank

Sludge Digester Tank
Aerobic sludge digester. Sludge fromprimary sedimentation tank andsecondary sedimentation tank aretreated by aerobic bacteria before
production of sludge cake.

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Dewatering house

Vaccum truck

Equalization tank

PROPOSED SEWERAGE ZONE FOR THE WHOLE YANGON REGION

Zoning1) Central Zones:• C1 and C2 (2 Zones)
2) East Zones:• E1～E4 (4 Zones)3) West Zones:• W1～W4 (4 Zones)
4) North Zones:• N1～N3 (3 Zones)5) South Zone:• S1 (1 Zone)

N-3

N-2

E-2

N-1
W-4
E-1

E-3
W-2
C-2
W-1
W-3

E-4
C-2

S-1

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POPULATION.WASTEWATER FLOW BY SEWERAGE ZONES

SewerageZone
C13WWTPW. Flow (m /day)
Area (ha)TownshipArea (ha)Daily Ave. Daily Max.
178,127
64,27570,213499
6.4 Pazundaung, Botahtaung, Kyauktada, Pabedan

Population(person)C 2+E1

1,902,155, ,659,542,714,184,

11,286,a part of Bahan, Mingalar Taung Nyunt, Tamwe,p , Thingangyun,
g gy , Yankin,, a ppart of
27.0 South Okkalapa,Mayangone, North Okkalapa, North Dagon

W1483,058

134,943

146,552

1,654

Lanmadaw, Latha, Dagon, a part of Bahan, a part10.1 of Kyee Myin Daing, Ahlone, Sanchaung, a partof Kamaryut

W2
W3W4
N1
N2
N3
E2
E3
E4
S1Out of SZ
Total

349,51274,419737,724
377,188906 748906,748514,954
1,183,320
920,933
399,111490,0322,241
8,519,522

98,581
24,187
143,855
98,069235 755
235,755
100,416
230,747
196,986
77,827
95,557582
2,161,322

106,205
26,047
154,921
105,613
253 890
253,890108,140
248,497
212,652
83,814
102,907627
2,334,262

2,356
1,485
7,761
3,163
12 783
12,783
5,271
17,064
5,418
4,202
9,840
117
82,8998.3 Hlaing, a part of Kamaryut, a part of Mayangon
3.5 A part of Kyee Myin Daing, Seikgyikhanaungto
10.5 Hlaing Tharyar
8.3 Insein
14 2 Mingaladon
14.2
Mi l d
8.4 Shwe Pyi Thar
14.0 East Dagon
12.7 Dawbon, Taketa, South Dagon
7.1 Dagon Seikkan
8.1 DalaSeikkan
138.6

THANK YOU

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