1. “Water Quality Management And Strategies For Recycle And Reuse –
INDIA WATER WEEK
S4: Water And Health – Managing Water Quality
“Water Quality Management And Strategies
For Recycle And Reuse –
Dholera A Case Study”
April 6, 2016
Presenter: Ms. Dharti Thakar
AECOM India Pvt Ltd

2. Overview of the Presentation
Overview Of Dholera Special Investment Region (DSIR)
Dholera Special Investment Region (DSIR) Implementation Strategy
Water Demand for DSIR
Interlinking Of Treated Effluents From Treatment Plants
Potable and Recycled Water Quality- Benchmarks
Water Quality Monitoring System in DSIR
Conclusion
Page 2

3. Dholera – Overview 06HRS 1.5HRS 04HRS 15MIN 02HRS
Dedicated Fright Corridor (DMIC)
150 km
Ahmedabad
100 km
50 km
Vadodara
06HRS
Mundra Port
Rajkot
Dholera
1.5HRS
DFC
Project under DMIC corridor
DMIC First phase – 8 nodes
Dholera is one of the biggest node
04HRS
Pipava
Port
Surat
15MIN
Dholera Airport
02HRS
Ahmedabad Airport

4. Dholera – Key Projections
Resident population in DSIR
2.0 million
Area outside CRZ
Total Area
58085 Ha
(580 sq. Kms)
91,970 Ha
(920 sq km)
Total Jobs in DSIR
827 Thousand
Area under CRZ
33,885 Ha
(340 sq. Kms)

5. Dholera Implementation Strategy
Dholera SIR (TP1 to TP6)
DSIR Phase I (TP1 & TP2)
Activation Area
422 Sq Km
153 Sq Km
22.54 Sq Km

6. Water Demand for DSIR Demands Phase I (MLD) Phase II Phase III
Phases I+II+III
Total Water Demand
277
361
260
898
Total water demand that can be met with recycled water
187
236
176
600
Total Potable Water Demand 90
125 85
300

7. Singapore & California
Potable & Recycled Water Quality- Benchmarks
POTABLE WATER QUALITY
Parameter
Benchmark
DSIR standards
Turbidity, NTU
Bristol & California
<1
TDS (mg/l)
Hongkong 61
<150
Total Coliform (counts in 100 ml)
RECYCLED WATER QUALITY
Parameter
Benchmark
DSIR standards
a. Turbidity (NTU)
Singapore & California
<2
b. pH
Singapore
c. BOD5 (mg/l)
<5
d. TSS (mg/l)
California
e. Ammonical Nitrogen
f. Total Nitrogen
<10
g. Total Phosphorus
<1
h. TDS(mg/l)
Hong Kong
<1000
<500
j. Faecal coliform
(counts in 100 ml) ND
k. Total Hardness
<250

8. Interlinking of Treated Effluents from Treatment Plants
Water Supply and Treatment
Industrial water Supply
Waste Water Treatment
Raw water from SBC
Secondary Treated Sewage from Ahmedabad
STP& CETP in TP1
STP & CETP in TP2E
STP in TP2W
WTP in Dholera
TTP in Dholera
Recycled network
Recycled network
MBR in TP1
MBR in TP2E
MBR in TP2W
Excess Water Outfall
Dist Network
Consumer
Collection network
Page 8

9. Recycled Water Quality parameters (Tertiary Treated)
Sl. No
Parameters
Value 1
Color, Hazen units, Max. 5 2
BOD5 (mg/l)
<5 3
COD (mg/l)
<50 4
Total Suspended Solids (mg/l)
Oil and Grease
Nil 6
Total nitrogen (mg/l)
<10 7
Total Phosphorus (mg/l)
<2 8
Odor
Unobjectionable 9
Taste
Agreeable 10
Turbidity, NTU, Max. 11
pH value
6.5 to 8.5 12
Total Hardness (as CaCO3) mg/l,
300 13
Iron (as Fe) mg/l, Max.
0.3 14
Chlorides (as Cl) mg/l, Max.
250 15
Residual, free chlorine ,mg/l, min.
0.2 16
Fluoride (as F) mg/l, max.
1.5 17
Dissolved solids mg/l, Max.
500 18
Calcium (as Ca) mg/l, Max. 75 19
Magnesium (as Mg) mg/l, Max. 30 20
Copper (as Cu) mg/l, Max.
0.05 21
Manganese (as Mn) mg/l, Max.
0.1 22
Sulphate (as SO4) mg/l, Max
200 23
Nitrate (as NO2) mg/l, Max. 24
Phenolic compounds
0.001 25
Mercury (as Hg) mg/l, Max 26
Cadmium (as Cd) mg/l, Max
0.01 27
Selenium (as Se) mg/l, Max 28
Lead (as Pb) mg/l, Max 29
Zinc (as Zn) mg/l, Max
Anionic detergents (as MBAS) mg/l, max 31
Mineral oil mg/l, Max 32
Pesticides mg/l, Max
Absent 33
Aluminium (as Al) mg/l, Max
0.03 34
Boron mg/l, Max

10. Water Quality Monitoring System for DSIR
Display at Admin Bldg
DCS at WTP
Inlet of WTP
Outlet of WTP
Clear Water Reservoir
Potable Water Transmission main
MBR
ESR
Distribution network
Outlet of STP and CETP
MBR Outlet
Inlet of MBR and ESR
Recycled water distribution network
Components
Turbidity & pH at inlet & outlet of WTP
Flow, turbidity, pH, residual chlorine and Aluminium at CWR
Turbidity, Residual Chlorine at TM
Flow, turbidity, pH& residual chlorine at MBR
Flow, turbidity, pH& residual chlorine
All recycled water quality parameters at outlet of STP and CETP
All recycled water quality parameters at outlet of MBR
Residual Chlorine at Inlet and Outlet of MBR
Residual Chlorine at recycled water distribution network
Quality Monitoring

11. Conclusion
Fully SCADA equipped water supply system – From Source to Consumer end.
All the metering done by way of smart meters and all the bills system generated.
Integration of three treatment plants; STP, CETP and TTP to generate uniform treated water quality for different non potable usages.
Integration of water management will ensure ZERO DISCHARGE for the development. This is possible through enforcement of the guidelines/regulations of General Development Control Regulations.
DSIR is setting new benchmarks for developments for water quality management, water reuse and effective integration of potable and recycled water .

12. Development of Greenfield Smart City
A Case Study
THANK YOU

13. Potable Water Supply System for Phase-I
Source
Saurashtra Branch Canal
Raw water transmission
Total length – Approx. 100 km
From Saurashtra Canal
(SSNNL)
Approx. 100 km
WATER TREATEMENT PLANT (WTP) & Transmission to POTABLE WATER MASTER BALANCING RESERVOIRS (MBR-P)
150 MLD WTP with Conventional treatment with modular development
Clariflocculator ,
Rapid Sand Gravity Filter
Disinfection
Clear water Reservoir (CWR)
Potable water transmission main to MBR-P at TP level
MBR-P at TP Level
Potable water feeder main to Elevated service reservoir (ESR)
Potable water gravity distribution system & Service connections
Raw water Reservoir
Water Treatment Plant
Clear water reservoir
Pipli Water Works
SH-6/ CSR
Water Treatment Plant
Treated Potable water
Length- 8.5 km,
Master Balancing Reservoir at each TP
Page 13

14. Wastewater Collection and Treatment System Phase-I
Waste water Collection and Treatment Scheme
Gravity and Pumping System
Intermediate pumping stations Terminal Pumping Stations
Treatment system –
Domestic Sewage treatment through Sewage treatment plant (STP)
Industrial Effluent treatment through common effluent treatment plant (CETP)
Master Balancing Reservoir- Recycled Water at TP Level
Recycled water feeder main to Recycled water Elevated service reservoir (ESR-R)
Elevated Service Reservoir- Recycled Water
Recycled water gravity distribution system & Service connections
STP
CETP
STP
STP
MBR
STP
CETP
CETP
Transmission main to MBRs
Page 14

15. Raw Sewage Quality Parameters (STP Inlet)
Value
Unit pH
mg/l
Colour
<20
Hazen
Biochemical Oxygen demand ( BOD5 )
Chemical Oxygen demand (COD)
Total suspended solids
P-alkalinity as CaCO3
Total alkalinity as CaCO3
Chlorides
Total dissolved solids
Sulphate
Total Kjeldahl Nitrogen (TKN)
45-50
Ammoniacal Nitrogen
35-40
Total Phosphorus
5-7
Hardness
Iron
<1
Zinc
Sulphide
Coliforms
Present
E-coli

16. Industrial Effluent Quality Parameters (CETP Inlet)
Value
Unit pH
5.5-9
mg/l
Colour
<100
Hazen
Oil & Grease
< 100
Mg/l
Liquid Temperature (maximum)
450 C
Biochemical Oxygen demand ( BOD5 )
Chemical Oxygen demand (COD)
Total suspended solids
<500
P-alkalinity as CaCO3
Nil
Total alkalinity as CaCO3
Chlorides
Total dissolved solids
<2100
Sulphate
Total Kjeldahl Nitrogen (TKN)
Total Phosphorus
<15
Hardness
Coliforms
Present
E-coli

17. Tertiaryr Treatment Plant
Supply of Secondary Treated Sewage from Vasna
Vasna (Ahmedabad)
Secondary treated
Sewage transmission from
Vasna
Total length – 100 km
Transmission line from Vasna
TTP & Transmission to MBRs
1 TTP at TP-1
3 MBR-R at each TP
Raw water Reservoir
Tertiaryr Treatment Plant
Clear water reservoir
SH-6
Treatment Processes
Flow and Quality Balancing
Biological oxidation in attached growth bio reactor
Coagulation- Flocculation & settling
Filtration in GSF or PSF
Disinfection
Tertiary Treatment Plant
Treated Potable water line to MBRs
Recycle water distribution
Part of TP road & Services
Master Balancing Reservoir at each TP

18. Input Secondary Treated Wastewater Quality
Parameters
Value pH
5.5-9
Colour, (Hazen)
<100
Oil & Grease,(mg/l)
< 100
Liquid Temperature (maximum)
450 C
Biochemical Oxygen demand ( BOD5 ), (mg/l)
Chemical Oxygen demand (COD) (mg/l)
Total suspended solids, (mg/l)
<500
P-alkalinity as CaCO3,(mg/l)
Nil
Total alkalinity as CaCO3, (mg/l)
Chlorides , (mg/l)
Total dissolved solids, (mg/l)
<2100
Sulphate, (mg/l)
Total Kjeldahl Nitrogen (TKN), (mg/l)
Total Phosphorus, (mg/l)
<15
Hardness, (mg/l)
Coliforms
Present
E-coli

19. WATER MASS BALANCE DIAGRAM (START OF PHASE-I DEVELOPMENT)

20. WATER MASS BALANCE DIAGRAM (END OF PHASE-I DEVELOPMENT)