Detailed Project Report

1 Project Pimpri-Chichwad 24/7 Pressurized water Supply Project Client Pimpri-Chinchwad Municipal Corporation Project Consultant Administrative Staff College of india , Bela Vista, Raj Bhavan Road, Hyderabad-500082. Detailed Project Report Pimpri-ChinchwadContinuous (24/7) Pressurized water Supply Project Volume I: Report , Design and Estimate 2 Table of Contents EXECUTIVE SUMMARY 5 Background Summary Critical Recommendation 1 INTRODUCTION 17 Introduction History Demographics Geography Topography Local Administration Industry Transport Problems of Existing water Supply Need of Project Objectives of the consultancy Strategy to Reduce NRW Outcome of the consultancy 2 CRITERIA FOR SYSTEM PLANNING 27 General System of water Supply Design Period Population water Demand Distribution Network Road Map to 24/7 System Software Used 3 PIMPRI-CHINCHWAD water SUPPLY- Existing 32 History Existing water Supply System Environmental Compliance and Protection 3 4 Population Forecast and Demand Estimation 44 Population Forecast Demand Projection 5 HYDRAULIC MODEL OF Primary Network of

2 Pimpri-Chinchwad 47 Simulation Model The Model in Process System Simulation water Demand 6 Formation of Operational Zones 62 Introduction 7 Design of Primary Network 89 Jurisdiction for the Areas Steady State Analysis 8 Establishing DMAs and Bulk Meters 107 Formation of DMA s DMA s for All Zones 9 Design of Distribution Network 127 Jurisdiction for the Areas Results 10 Estimates 133 11 Project FINANCIAL VIABILITY 209 12 APPENDICES 220 Disclaimer This document has been prepared based on the information provided by PCMC. Wherever proposed, the products and/or services mentioned are based on the requirements defined and understood by us at the time of preparing this document.

3 Whilst every effort has been made to ensure accuracy in the preparation of this document, no responsibility can be accepted for errors and / or omissions, which are caused by incorrect or inadequate information supplied to ASCI. 4 ABBREVIATIONS AND UNITS OF MEASURE Abbreviations AC Asbestos Cement PCMC Pimpri-Chinchwad Municipal Corporation CI Cast iron DI Ductile iron DMA District metering area DPR Detailed Project Report ESR Elevated service reservoir GIS Geographic Information system GoM Government of Maharashtra GoI Government of india HGL Hydraulic grade line MBR Master balancing reservoir MJP Maharashtra Jeevan Pradhikaran MS Mild steel NRW Non-revenue water PVC Polyvinyl Chloride WTP water treatment plant GSR ground service reservoir Units of Measure Km Kilo meter LPCD Liters per capita per day m Meter m2 Square meter m3 Cubic meters MLD Million liters per day 5 Executive Summary The purpose of this document is to create a Detailed

4 Project Report (DPR) with advance techniques of GIS and simulation Hydraulic Model for the Pimpri-Chinchwad city and recommend a strategy, which would help Pimpri-Chinchwad Municipal Council (PCMC) to design the pipe network of the distribution system of the city. Ultimate objective is to allowPCMC to achieve continuous (24/7) pressurized water supply to all its customers including the poor. The Project is designed to cover about 8 lakh population (about 40 % of the city) having diverse socio-economic and demographic structure. With a aim of increasing drinkingwater availability to the city and improving service level, PCMChas planned acomprehensive water supply Project . The Project focuses on- (i) Reducing non-revenue water by leakage management and commercial losses through identification and regularization of illegal connections, metering and improvement in billing and collection systems; (ii) Refurbishment and expansion of transmission and distribution network (iii) reforms to address revenue improvement, expenditure rationalization ( water and energy audit), customer relations and redressal systems and ICT enablement of water management for efficiency improvement and (iv) organizational strengthening and capacity building.

5 To achieve these objectives, PCMChas planned this Project . The Project is expected to bring significant improvement is service delivery (as per the SLB indicators), reduction of coping costs for citizens, financial sustainability for PCMC and most importantly public health improvement. The Project is designed to avoid hindrances (Ex. land acquisition etc) and hence would be completed as per the indicated time. The Pimpri-Chinchwad city is located (Figure A) in the Pune district of the state of Maharashtra. The population of the city in the year 2011 was 17,30,133. Figure A: Location of Pimpri-Chinchwad town 6 Background Present water supply situation in the Pimpri-Chinchwad city is challenging. Presentlyeighty five ESR/GSR are supplying water to the distribution system. Due to lack of investmentand disarrayed distribution system, the current practiceis to maintain water supply on intermittent mode.

6 The Non-Revenue water is approximately 40% and therefore, the residents of the city get water for just three hours in a day. The cities in urban india are facing the similar situations, as a result, the coverage is less, per capita share is on lower side, the level of NRW is quite high and there is no consumer satisfaction. To overcome this and ameliorate the present status, Government of india (GoI) has introduced its ambitious program of Jawaharlal Nehru National Urban Renewal Mission (JNNURM) for the cities that have low coverage, low per capita share and high values of non- revenue water . Pimpri-Chinchwad city administration is taking advantage of this scheme. Summary Presently water is pumped from the head works at the Rawet on Pavana river to the water Treatment Plant (WTP) at sector 23 through three mild steel (MS) pipelines of diameters 1053mm, 1165mm and 1400mm laid in the years 1989, 1999, 2006 and 2010 respectively.

7 From pure water sumps of the WTP, treated water is pumped to the eighty five existing ESRs and then supplied to the respective water districts of the distribution systems. The plight of the distribution system is in disarrayed form. Existing ESRs are not in a state to supply water on 24/7 system. The city is not divided into operational zones. The design of the operational zone is not proper. Hence, distribution of water is in a haphazard way. Besides this, there is unequal distribution of water too. Advanced and powerful techniques of GIS mapping and hydraulic modeling have been used in the present study. Using these techniques, a hydraulic model simulating the water supply system, right from the source to the consumers in distribution system has been prepared. Population forecast and the demand projection is carried out.

8 The demands of water in the water districts have been computed for immediate stage of the year 2030 and the pipe network of the distribution system has been designed for ultimate stage of year 2045. The demand allocation to the 12,022 nodes has been made using advanced feature of the WaterGems. The base scenario, simulating water supply of the entire city, has been prepared as a first step. Child scenarios of the system for the various water zones have been created. The zoning is made considering the capacity and serviceability of the existing ESRs. Using the model, the sizes of the pipes are worked out. 7 About 40% of the area has been considered for transformation to 24/7 continuous water supply. The area is so selected that there is enough storage and no new tanks are required to be constructed.

9 Present distribution pipe network is therefore proposed to be divided into 15 zones. Thus the 40% city covering about 8 lakh populations is now divided into 15 operational zones. The district metering areas are also designed and the location of the bulk meters is fixed. Critical Recommendations (1) Present Elevated Service Reservoirs (ESR) Storages of existing ESRs are checked (Chapter 6) and found enough. Hence, new tanks are not proposed. 23 altitude valves (Table A) have been designed to reduce NRW as these valve play important role in preventing overflow from tank. Table A: Abstract of Altitude valves Diameter Number 100 2 150 6 200 1 250 11 300 3 23 (2) Strengthening of the Primary Network New transmission pipelines shown shall be laid from the S1 sump at WTP to the Dange Chowk and at other locations as shown red in Figure B and in Table B.

10 8 Figure B: New pipelines (red colour) to be laid for strengthening of the primary network Table B: Details of new DI-K7 transmission mains Diameter of DI-K7 (mm) Length (m) 300 903 450 608 500 776 1, 7,436 Total 9723 (3) Pipes in Distribution System At present the distribution pipe network of length of 1352 km exists in entire city. The diameters of the existing pipes are in the range of sizes of 50mm to 700mm as shown Table C. 9 Table C:Length of existing pipes in distribution system Diameter (mm) Length (m) AC CI DI GI MS Grand Total 50 13886 7453 21339 75 296 296 80 27109 27109 100 466807 57571 1260 1618 527256 150 258348 51188 714 310250 175 1543 1543 200 101651 13916 5589 121156 250 51652 7749 2898 62299 300 305 81711 17988 517 14825 115346 350 8239 5756 13995 400 19806 19260 9422 48488 450 17505 18018 9194 44717 500 9092 9243 4647 22982 600 14750 4055 14140 32945 700 2590 2590 Total 305 1072395 207334 9230 63047 1352311 The pipe network in the selected area is shown in Table D.