Final Report The Study on Vientiane Water Supply Development Project

Annex 14 - 16

3. ALTERNATIVE C-2

Final Report The Study on Vientiane Water Supply Development Project

Annex 14 - 17

General Plan of Chinaimo Treatment Plant Expansion: 40,000 m3/day

Distribution Pump Sta.

10,000m3(6hr)

10,000 m3

Final Report The Study on Vientiane Water Supply Development Project

Annex 14 - 18

General Plan of Kaolieo Treatment Plant Expansion: 60,000 m3/day

Alum Production

Sub-Station

W ater RateCollectionBuilding

Transmission

Pump Station

5,000m3(2hr)

Admi.&Chem. Bul.

0 50 m

Flocculation & Sedimentation

Filter

AdditionalIntake Facility

Final Report The Study on Vientiane Water Supply Development Project

Annex 14 - 19

Case C-2 Expansion of Treatment Plant

1st Stage Expansion of 40,000 m3/day 2nd Stage Expansion of 60,000 m3/day Planned Components of Expansion of Chinaimo Treatment Plant Planned Components of Construction of Kaolieo Treatment Plant

Intake Structure Using the Existing Intake Structure Intake Structure Construction of New Intake Intake Facility Intake Pump 25.5 m3/min ×185 kW×4 Units

Intake Facility Intake Pump 15.3 m3/min ×65 kW×4 Units

Raw Water Transmission Pipe D700 mm×L65 m, Ultrasonic Flow Meter Raw Water Transmission Pipe D900 mm×L40 m, Ultrasonic Flow Meter

Receiving Well! 1 Basin, D.T.=2.3 min. Receiving Well 1 Basin, D.T.=2.4 min. Receiving Well & Mixing Well Mixing Well 1 Basin, D.T.=1.0 min.

Receiving Well & Mixing Well Mixing Well 1 Basin, D.T.=1.0 min.

Flocculation Basin Up and Down Flow Baffle Channel 2 Units/Basin×2 Basins, D.T.=22.3 min. Flocculation Basin Up and Down Flow Baffle Channel

2 Units/Basin×3 Basins, D.T.=28.3 min. Flocculation & Sedimentation Basin Sedimentation Basin

Horizontal Flow /w Launder Trough, 3 Basins D.T.=2.40 hr, Ave.Velocity=0.45 m/min.

Flocculation & Sedimentation Basin Sedimentation Basin

Horizontal Flow /w Launder Trough, 3 Basins D.T.=2.40 hr, Ave.Velocity=0.36 m/min.

Filter Basin A=77.0 m2×4 Basins, V=143 m/d Filter Basin A=78.0 m2×6 Basins, V=141 m/d Filtration Facility Filter Washing Equipment Using the Existing Back Wash Pump and

Air Blower Filtration Facility Filter Washing Equipment B.W.P.: 47.0m3/min×70kW×2 Units

A.B.P.: 94.6m3/min×90kW×2 Units Measurement Chamber Using the Existing, D.T.=1.6 min. Measurement Chamber 1 Basin, D.T.=1.8 min. Filtered Water Measurement

& Chlorine Mixing Chamber Mixing Chamber Using the Existing, D.T.=0.6 min. Filtered Water Measurement & Chlorine Mixing Chamber Mixing Chamber 1 Basin, D.T.=1.1 min.

Clear Water Reservoir V=10,000 m3 Clear Water Reservoir V=5,000 m3 Clear Water Reservoir Piping D1100mm, D1200mm Clear Water Reservoir Piping D900mm, D600mm Distribution Pump Building Using the Improved Pumping Building Transmission Pump

Building A=320 m2 Distribution Pumping FacilityDistribution Pump 12.1 m3/min ×67m×195 kW×4 Units

Transmission Pumping Facility Transmission Pump 10.5 m3/min ×54.5m×140 kW×5 Units

Chemical Feeding Equipment Installation of Feeding Equipment only Chemical Feeding

Equipment Installation of Equipment and Solution Tank Chemical Feeding Facility

Chemical Building Using the Existing Building Chemical Feeding Facility

Chemical Building In preparation for Administration Building Power Receiving Facility Power Receiving and Transformer Equip. Power Receiving Facility Power Receiving and Transformer Equip. Power Supply Facility Power Supply Equipment Power Supply Facility Power Supply Equipment Emergency Generator Generator Cap. for 1/3 of Dis. Pump Cap. Emergency Generator Generator Cap. for 1/3 of Tran. Pump Cap. Electrical Equipment Facility Instrumentation Equipment Monitoring, Supervising and Controlling

Electrical Equipment Facility

Instrumentation Equipment Monitoring, Supervising and Controlling

Administration Building Using the Existing Building Administration Building A=300m2×2F, Laboratory Water Quality Analysis Equipment Laboratory In preparation for Administration Building

Landscaping and Others Landscaping and Others Including demolition & relocation of existing housings

Final Report The Study on Vientiane Water Supply Development Project

Annex 14 - 20

Plan and Section of Flocculation, Sedimentation and Filter in Chinaimo Treatment Plant Expansion: 40,000 m3/day

175.00

174.40

173.74

173.55

174.05

169.90170.96

173.35 173.51

170.10170.50

168.50

173.51

171.00

174.05173.74

175.00

169.90

173.74174.34

174.40175.00

Exp.Jt.

Raw

Wat

er

Filte

red

Wat

erCh

anne

l(T

o Ex

ist C

hann

el)

173.18 173.17

170.74

Filter Control DeskWash Water Channel

DIN 500/400Filter Regulater Valvocet

Filter Sand

169.75

Filtered Water ChannelOriffice

171.41171.29

28009350

4500400 600

2700

2700 350 350

2800

250

200

350

350

900

900

350

1000

8850

250

900

900

200

6700

37150 6500200 20000200

93850

350

500

500

350

1360

013

600

2825

0

350

2825

0

4500

400

1300

14000

2500

300

400200300

900

900

150

150

5500

2770

0

250

250

950

2500

1500

300300

1000

400

GL 171.00 GL 171.30

A

A

AA

B B

B

B

Final Report The Study on Vientiane Water Supply Development Project

Annex 14 - 21

Final Report The Study on Vientiane Water Supply Development Project

Annex 14 - 22

Plan and Section of Flocculation, Sedimentation and Filter in Kaolieo Treatment Plant Expansion: 60,000 m3/day

175.60

175.00

174.31

174.11

174.60

170.50171.41

172.60

173.91 174.20

170.41169.64

168.04

174.20

171.44

173.65

3500

174.60174.31

172.60

175.60

170.50

174.31174.91

175.00175.60

173.6

517

3.64

170.7

8

Filter

Contr

ol De

sk

DIN 5

00/40

0Filt

er Re

gulat

er Va

lvoce

t Filter

Sand

170.1

7

Filter

ed W

ater C

hann

el

Oriffi

ce

171.7

917

1.74

172.1

2

168.7

7

Exp.Jt.

Clear WaterReservoir

(New)

(Existing)

1145

0

4500400 600

3400

3400

350 350

3500

250

200

350

3400

350 900900

3501000

9900

250

900900

900

900200

7050

28100

1300

250

6500200 160002001300

300 400

63250

350

350

400

400

400

350

1430

014

300

1430

0

4430

0

4585

0

350

250

350

4360

0

6510

013

0013

0013

000

2500

1000

300

40020

0300

95025001500

11001100

150 150

6000

45500

46100

250 350

400

400250200250

4500

4500

28503000

10800

11450

4500

GL 171.50 GL 171.50

A

A

AA

B B

B

B

CC

CC

Raw Water

Final Report The Study on Vientiane Water Supply Development Project

Annex 14 - 23

Final Report The Study on Vientiane Water Supply Development Project

Annex 14 - 24

1st Stage Improvement of Km6 Booster Pumping Station

1st Stage Planned Components of Facility 2nd Stage Planned Components of Facility Pump House A=54 m2 Pump House Using 1st Stage Transmission Pump

4.8m3/min. x 50m x 57kW x 2Units

Transmission Pump

Booster Pumping Facility Distribution

Pump 6.0m3/min. x 50m x 72kW x 3Units

Booster Pumping Facility Distribution

Pump 9.0m3/min. x 50m x 108kW x 1Unit

Power Receiving Facility

Power Receiving and Transformer Equipment

Power Receiving Facility

Power Supply Facility Power Supply Equipment Power Supply

Facility Power Supply Equipment

Emergency Generator

Generator Capacity for 1/3 of Trans. & Dis. Pump Capacity

Emergency Generator

Electrical Equipment Facility

Instrumentation Equipment

Monitoring, Supervising and Controlling

Electrical Equipment Facility

Instrumentation Equipment

Monitoring, Supervising and Controlling

Landscaping and Others Including demolition of the existing housing Landscaping and Others

2nd Stage Construction of Distribution Center for Kaolieo System

Planned Components of Facility Clear Water Reservoir V=10,000 m3 Clear Water Reservoir Piping D900mm Distribution Pump Building A=320 m2 Distribution Pumping Facility Distribution Pump 13.5 m3/min ×67m×217 kW×5 Units Power Receiving Facility Power Receiving and Transformer Equipment Power Supply Facility Power Supply Equipment Emergency Generator Generator Cap. for 1/3 of Distribution Pump Capacity Electrical Equipment Facility

Instrumentation Equipment Monitoring, Supervising and Controlling Landscaping and Others Improvement of Km12 Booster Pumping Station

Planned Components of Facility Pump House A=25 m2 Booster Pumping Facility Distribution Pump 5.7 m3/min. x 60 m x 82 kW x 3 Units Power Receiving Facility Power Receiving and Transformer Equipment Power Supply Facility Power Supply Equipment Emergency Generator Generator Capacity for 1/3 of Distribution Pump Capacity Electrical Equipment Facility

Instrumentation Equipment Monitoring, Supervising and Controlling Landscaping and Others Including demolition of the existing housing