[Waterworks] City Presentation - Bangkok(Thailand)

31
Water Quality Management in Bangkok Drainage and Sewerage Department Bangkok Metropolitan Administration

description

[2014 May] International Program on Seoul Waterworks

Transcript of [Waterworks] City Presentation - Bangkok(Thailand)

Page 1: [Waterworks] City Presentation - Bangkok(Thailand)

Water Quality Management

in Bangkok

Drainage and Sewerage Department Bangkok Metropolitan Administration

Page 2: [Waterworks] City Presentation - Bangkok(Thailand)

Contents

• General Information

• Water Quality Management

• Countermeasures

• Construction

• Non- Construction

• Future Scheme of WWTPs

• By-Product Management

Page 4: [Waterworks] City Presentation - Bangkok(Thailand)

INNER AREA

MIDDLE AREA

OUTER AREA

Introduction of Bangkok

Page 5: [Waterworks] City Presentation - Bangkok(Thailand)

Total Area 1,575.64 km2 – Inner Area 269.77 km2 – Middle Area 428.20 km2 – Outer Area 877.67 km2

Introduction of Bangkok

Page 6: [Waterworks] City Presentation - Bangkok(Thailand)

1997 7,609,400

2002 8,394,100

2007 9,244,000

2012 10,156,000

2017 11,131,000

Population in Bangkok

Population (capita) Year

Page 7: [Waterworks] City Presentation - Bangkok(Thailand)

Organization of the BMA

• The existing institutional organization of BMA is divided into 3 offices, 16 departments, and 50 districts

Page 8: [Waterworks] City Presentation - Bangkok(Thailand)

8

Organization Chart of the BMA

Drainage and

Sewerage

Department

Page 9: [Waterworks] City Presentation - Bangkok(Thailand)

Organization Chart of DDS

Director General

Deputy Director

(Administration)

Deputy Director

(Operation)

Deputy Director

(Techniques)

Secre

tari

al

Div

isio

n o

f D

DS

Main Drainage

System

Development

Dra

inag

e In

fo.

Syste

m

Drainage

Control-Structure

System

Sew

era

ge S

ys.

Can

al S

yste

m

Water Quality

Management

Me

ch

an

ica

l

Page 10: [Waterworks] City Presentation - Bangkok(Thailand)

10

Drainage and Sewerage Department

Responsibilities • Storm water drainage • Flood protection • Water Quality Management

Page 11: [Waterworks] City Presentation - Bangkok(Thailand)

11

Water Pollution in Bangkok

0.01.02.03.04.0

5.06.07.08.0

สะพานเดชาติวงค ์จ .นครสวรรค์

สะพานสมเด็จพระวนัรัตน จ .นครสวรรค์

ศาลากลาง จ.ชยันาท

เข่ือนเจ้าพระยา จ

.ชยันาท

ใตต้ลาด อ.อินทรบุรี จ

.สิงห์บุรี

สะพานขา้ม ม.เจ้าพระยา จ

.สิงห์บุรี

สะพานขา้ม ม.เจ้าพระยา จ

.อ่างทอง

ป้อมเพชร จ.พระนครศรีอยธุยา

โรงงานกระดาษบางปะอิน

อ.สามโคก จ.ปทุมธานี

การประปาส าแล จ .ปทุมธานี

สะพานนนทบุรี

สะพานพระราม

6

สะพานพทุธยอดฟ้า

สะพานกรุงเทพ

ท่าเรือกรุงเทพ

หนา้ท่ีว่าการ อ.พระประแดง

พระสมทุรเจดีย์

mg/

l

DO BOD

Nakorn Sawan Bang Pa In Bangkok Samut Prakan

DO

BOD

• The water Quality in Chao Praya River is effected by the pollution load discharging from Bangkok area

Page 12: [Waterworks] City Presentation - Bangkok(Thailand)

12

9 Sampling Points of Chao Phraya River

1

2

3

4

5 6

7 8

9

R01: Nonthaburi River Bank

R02: Rama 7 R03: Pin Klao R04: Buddha Bridge R05: Krung Thep

Bridge R06: Rama 9 R07: Chong Non Si R08: Bang Na R09: Pra Pra Dang

Page 13: [Waterworks] City Presentation - Bangkok(Thailand)

Location of Sampling in BMA

จุดเกบ็ตัวอย่างน ้า

Sampling Points

There are 282

sampling

points in 161

major canals

for water

quality

monitoring

Page 14: [Waterworks] City Presentation - Bangkok(Thailand)

DO in major canals, mg/l

Ref.:Yearly report 2004, DDS, BMA

DO in major canals (mg/l)

Most of Dissolved

Oxygen (DO) in

major canals are

very low (nearly

zero). That’s

effect to the

living organism

in the canals

Reference:

Yearly report 2012, DDS,

BMA

Page 15: [Waterworks] City Presentation - Bangkok(Thailand)

BOD in major canals, mg/l

Ref.:Yearly report 2004, DDS, BMA

Page 16: [Waterworks] City Presentation - Bangkok(Thailand)

Wastewater Origins

Sources of Wastewater

1. Domestic Wastewater

2. Commercial Wastewater

3. Industrial Wastewater

Page 17: [Waterworks] City Presentation - Bangkok(Thailand)

17

Wastewater Quantity in Bangkok area

-

500,000

1,000,000

1,500,000

2,000,000

2,500,000

3,000,000

3,500,000

4,000,000

ปรีมาณน

า้เสีย ( ลบ

.ม./วัน

)

2540 2545 2550 2555 2560 ปี พ.ศ.

ครัวเรือน พาณิชยกรรม อุตสาหกรรม รวมปริมาณน า้เสีย

Wast

ewate

r Qua

ntity,

cu.m

/day

Household Commercial Building Industrial Total

2012 2002 2007 1997 2017

Page 18: [Waterworks] City Presentation - Bangkok(Thailand)

18

BOD loading in Bangkok Area

-

50,000

100,000

150,000

200,000

250,000

300,000

350,000

400,000

450,000

500,000

ภาระบร

รทุก B

OD ( ก

ก/วัน )

2540 2545 2550 2555 2560 ปี พ.ศ.

ครัวเรือน แหล่งพาณิชยกรรม อุตสาหกรรม รวมภาระบรรทุก BOD

BOD

loadin

g, Kg

BOD/

day

Household Commercial Building Industrial Total

2012 2002 2007 1997 2017

Page 19: [Waterworks] City Presentation - Bangkok(Thailand)

Countermeasures

• Construction Measures

- Royal Initiated project

- Community WWTP

- Central WWTPs

• Non-Construction Measures

Page 20: [Waterworks] City Presentation - Bangkok(Thailand)

20 84,600 cbm/d

Makkasan

260,000 cbm/d

Royal Initiated Projects Rama IX

Page 21: [Waterworks] City Presentation - Bangkok(Thailand)

Construction and Rehabilitation of Community WWTPs

Operation and maintenance of 12 Community WWTPs that handover from the Housing Authority with capacity of 25,700 m3/d

Page 22: [Waterworks] City Presentation - Bangkok(Thailand)

22

Master Plan

• JICA 1981

(10 Zones)

• JICA 1999

(20 Zones)

• JICA 2011

(27 Zones)

2 3 4 5

6

7

15 12

10 20 16 8

11 13 14 17

19

18

9

BMA has developed the Wastewater Master Plan by

JICA continuously

Page 23: [Waterworks] City Presentation - Bangkok(Thailand)

23

JICA Master Plan (27 zones)

Source : JICA 2010

Page 24: [Waterworks] City Presentation - Bangkok(Thailand)

24

Central WWTP in Bangkok

Source : JICA 2010

Page 25: [Waterworks] City Presentation - Bangkok(Thailand)

Wastewater Project

Population

Area

(sq.km.)

Capacity

(cbm./d)

1. Si Phraya WWTP 120,000 2.7 30,000

2. Rattanakosin WWTP 70,000 4.1 40,000

3. Din Dang WWTP 1,080,000 37 350,000

4. Chong Non Si WWTP 580,000 28.5 200,000

5.1 Nong Khaem – Pasi Charoen WWTP 520,000 44 157,000

5.2 Tung Kru WWTP 177,000 42 65,000

6. Chatu Chak WWTP 432,000 33.4 150,000

Total 2,979,000 191.7 992,000

12% of area 40% of

wastewater

Total Capacity of Central WWTPs in Bangkok

Page 26: [Waterworks] City Presentation - Bangkok(Thailand)

26

Future Scheme of WWTP

BangSue WWTP Service area : 21 sq km

Capacity : 120,000 cbm/d

Service Area : 63.85 sq km

135,000 cbm/d FS in 2011 by JICA and DD in 2014

KlongToei WWTP

Nongbon WWTP

Minburi WWTP

Service Area : 2.85 sq km.

Capacity 10,000 cbm/d FS and DD completed in 2012 and preparation for Construction during 2013 - 2015

Service Area : 29.48 sq km. Capacity : 148,000 cbm/d FS and DD in 2013-2014

Thonburi WWTP

Service Area : 71 sq km.

Capacity : 360,000 cbm/d Cabinet Approval

Construction scheduled for completion in 2014

Page 27: [Waterworks] City Presentation - Bangkok(Thailand)

Water Reuse

Page 28: [Waterworks] City Presentation - Bangkok(Thailand)

Sludge for Land Application

Page 30: [Waterworks] City Presentation - Bangkok(Thailand)

34

Bangkok: the City of Life

Page 31: [Waterworks] City Presentation - Bangkok(Thailand)

Thank you for your

attention

35