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2013-02-18 1 Ms.Khin Aye Myint Executive Engineer Engineering Department ( Water & Sanitation ) Yangon,Myanmar Yangon OVERVIEW OF MYANMAR
2013-02-18
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Ms.Khin Aye Myint
Executive Engineer
Engineering Department ( Water & Sanitation )
Yangon,Myanmar
Yangon
OVERVIEW OF MYANMAR
2013-02-18
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OVERVIEW OF YANGON CITY AREA
Yangon Division
YANGON CITY AREA : 730 Km²
POPULATION : About 6 Millions
DISTRICTS : 4 Districts
TOWNSHIPS : 33 Townships
AVERAGE ANNUAL : 2700 mmRAINFALL
MEAN MAX: TEMP: : 33 ◌۫C
MEAN MIN: TEMP: : 21 ◌۫C
MAYOR (Chairman of Y.C.D.C)
Minister of Development Affairs
(Yangon region )
SECRETARY DEPARTMEN OF BUDGET
AND ACCOUNT
DEPARTMENT OF PUBLIC
RELATION & INFORMATION
DEPARTMENTOF CITY PLANNING &
LAND ADMINISTRATION
ORGANIZATION CHART OF YANGON CITY DEVELOPMENT COMMITTEE
COMMITTEE‐3 COMMITTEE‐4 COMMITTEE‐7
DEPARTMENT
OF ENGINEERING
(BUILDING)
DEPARTMENT
OF POLLUTION
CONTROL AND
DEPARTMENT
OF MARKETS
DEPARTMENT
OF
ADMINISTRATION
DEPARTMENT
OF PLAYGROUNG,
PARK AND GARDEN
DEPARTMENT
OF ASSESSORS
DEPARTMENT
OF REVENUE
DEPARTMENT
OF ENGINEERING
(WATER &
COMMITTEE‐5
DEPARTMENT OF
PRODUCTION UNIT
CONTROL AND
CLEANSINNG
DEPARTMENT
OF WORK
INSPECTION
DEPARTMENT OF MOTOR
TRANSPORT AND WORKSHOP
DEPARTMENT
OF SECURITY AND
DISCIPLINE
(WATER &
SANITATION)
DEPARTMENT
OF COORDINATION
DEPARTMENT
OF VETERINARY
AND SLAUGHTER
HOUSE
DEPARTMENT OF
ENGINEERING
(ROAD & BRIDGE)
District Office
(South)
District Office
(West)) District Office
(North))
DEPARTMENT
OF CENTRAL
STORE
District Office
(East)
DEPARTMENT
OF HEALTH
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Chief Engineer(Head Of Department)
ORGANIZATION CHART OF ENGINEERING DEPATMENT(WATER & SANITATION)
ACEElectrical & Mechanical
Division
ACEFinancialDivision
SupportingBranch
ACESewageDivision
ACEWater Dist:
Division
DeputyChief Engineer
(DYCE-2)
DeputyChief Engineer
(DYCE-1)
ACEPipe PlantDivision
ACEReservoirDivision
Division
AEWater Quality &
MonioringSection
AEStore
Section
AEResearch
And DesignSection
AEComputerSection
My position is one of executive
engineers in this division
Disposal of sewerage into the river without treatment before
CONDITION BEFORE THE ESTABLISHMENT OF SEWAGE TREATMENT PLANT
treatment before establishment of Sewage Treatment Plant
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EXISTING SEWERAGE SYSTEM
CROSS SECTION OF EJECTOR AND SEWER PIPE LINES
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Main Air Compressor in Botadaung Township, Sewageare driven by air compressing to Treatment Plant
MAIN AIR COMPRESSOR FOR SEWERAGE SYSTEM
◆ 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
Air Compressor Station constructed in 196310th Street Air Compressor in Lanmadaw Township, Sewage are driven by air compressing to Treatment Plant
SUB-MAIN AIR COMPRESSOR FOR SEWERAGE SYSTEM
◆ Year of Establishment - (1962-1963) year
◆ (2) Electrical Air Compressors of 200 Horse power have been installed
◆ Total land areas - 0.3 acres
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Sanitation and sewerage for the Yangon City area is main responsibility of Engineering
Department ( Water and Sanitation) under Yangon City Development Committee.
Existing system, conventional sewerage, consists of :-
⌂ Gravity sewers
OVERVIEW OF SEWERAGE SYSTEM IN DOWNTOWN AREA OF YANGON CITY
y
⌂ 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
peoples, 7% of the city population.
Daily Volume of sewage disposal - 111840 gal.(508 m³)
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Major Issues in Existing Sewerage System:-
⌂ 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
LOCATION OF EXISTING SEWAGE TREATMENT PLANT
Yangon City DevelopmentCommittee started to constructwastewater treatment in June 2003by own human resources with theguidance of State Government toprotect the environment.
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EXISTING SEWAGE TREATMENT PLANT
Year of Establishment - 12th April 2003Year of Completion - 17th January 2005 Year of Opening ceremony - 22nd December 2006Volume of Daily Treatable sewage - 3.25MGDDeveloper - Myanmar Engineers of Yangon City Development CommitteeCost of Project - US$ 0.96 Millions (Myanmar Kyat -2065.7 Millions)Areas of Plant – 5.56 Acres
Detail Design Implementation Installation Commissioning Installation
Programme for Sewage Treatment Project
LAYOUT PLAN OF EXISTING SEWAGE TREATMENT PLANT
Design Criteria:
Area of Plant - 5.56 acresDesign population - 300,000Daily wastewater
Installation Training
discharge- - 14775 m3/dayBOD influent - 600mg / lBOD effluent - 60 mg / lSuspended solid influent- 700 mg / lSuspended solid effluent- 40 mg / l
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PROCESS OF EXISTING SEWAGE TREATMENT PLANT
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Pump Sump
Auto Bar Screen
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Grit Separator
Primary Sedimentation Tank
Aeration tank
Secondary Sedimentation Tank
Wastewater treatment plant was operated in January 2005. Waste are treated by activated sludge process with the aid of surface aerators.
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Chlorination Tank
Effluent Waste Water
Sludge Thickener Tank
Sludge Digester Tank
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Aerobic sludge digester. Sludge from primary sedimentation tank and secondary sedimentation tank are treated by aerobic bacteria before production of sludge cake.
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Dewatering house
Vaccum truck
Equalization tank
Zoning
1) Central Zones: • C1 and C2 (2 Zones) N-2
N-3
PROPOSED SEWERAGE ZONE FOR THE WHOLE YANGON REGION
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:
W-4
N-1E-2
E-3
E-1
W-2
• S1 (1 Zone) C-2
E-4W-1
C-2
S-1
W-3
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Daily Ave. Daily Max.
C 1 178,127 64,275 70,213 499 6.4 Pazundaung, Botahtaung, Kyauktada, Pabedan
SewerageZone
Population(person)
W. Flow (m3/day) Area (ha)
WWTPArea (ha)
Township
27.0a part of Bahan, Mingalar Taung Nyunt, Tamwe,South Okkalapa, Thingangyun, Yankin, a part ofC 2+E1 1,902,155 659,542 714,184 11,286
POPULATION.WASTEWATER FLOW BY SEWERAGE ZONES
W 2 349,512 98,581 106,205 2,356 8.3 Hlaing, a part of Kamaryut, a part of Mayangon
W 3 74,419 24,187 26,047 1,485 3.5 A part of Kyee Myin Daing, Seikgyikhanaungto
W 4 737,724 143,855 154,921 7,761 10.5 Hlaing Tharyar
N 1 377,188 98,069 105,613 3,163 8.3 Insein
N 2 906 748 235 755 253 890 12 783 14 2 Mi l d
p , g gy , , pMayangone, North Okkalapa, North Dagon
W 1 483,058 134,943 146,552 1,654 10.1Lanmadaw, Latha, Dagon, a part of Bahan, a partof Kyee Myin Daing, Ahlone, Sanchaung, a partof Kamaryut
, , , , ,
N 2 906,748 235,755 253,890 12,783 14.2 Mingaladon
N 3 514,954 100,416 108,140 5,271 8.4 Shwe Pyi Thar
E 2 1,183,320 230,747 248,497 17,064 14.0 East Dagon
E 3 920,933 196,986 212,652 5,418 12.7 Dawbon, Taketa, South Dagon
E4 399,111 77,827 83,814 4,202 7.1 Dagon Seikkan
S 1 490,032 95,557 102,907 9,840 8.1 Dala
Out of SZ 2,241 582 627 117 Seikkan
Total 8,519,522 2,161,322 2,334,262 82,899 138.6
THANK YOU
