History of Water Supply System Source of Water Supply Pumping Units Distribution System Rising Mains Appurtenances Raw Water Storage Tanks Clear Water Tanks

Water Treatment Plant Disinfection Metering Institutional Setup O&M Tariff Revenue Major Issues & Concerns

History of Water Supply System

How the water supply system was developed in the city.

Source of Water Supply

Ground Source
Quantity of ground water extracted, location of extraction points, location and yield of ground water sources, draw down, quality of ground water sources, tube well assembly details

Surface Source
Quantity of surface water extracted, location of extraction points, location and yield of surface water sources quality of surface water sources in different seasons, quantity of surface water available in different seasons

Pumping Units

For Tube wells/Open Wells: 
Pump kilowatt, type of pump, running hours, discharge, head, power consumption, voltage, depth of suction, condition of NRV, condition of electric panel,

Raw water Pumping Stations :
Pump kilowatt, type of pump, running hours, discharge, head, power consumption, voltage, depth of suction, condition of NRV, condition of electric panel.

Clear  water Pumping Stations:  
Pump kilowatt, type of pump, running hours, discharge, head, power consumption, voltage, depth of suction, condition of NRV, condition of electric panel.

Distribution System

Distribution Zones:   
No of zones, boundary of each zone, whether discrete zone, Pressures, Problem points, location of PSPS,

Pipe length, material:  
Age of pipe, condition of pipe, length of pipe in each zone material wise and dia wise

Service Connections : 
Type of material, size, condition, Ferule & saddle piece, No of connections size wise

 

Public Stand Posts:  Nombers, Location, utility,

Rising Mains

Age of pipe, condition of pipe, location, length  material wise and dia wise

Appurtenances

Line valves: sluice valves, Butterfly valve, Scour valve, Air valves: Air release valve,Air inlet valve, Kinetic air valve, Pressure Relief valve, Check valve, Pressure Reducing valves

Raw Water Storage Tanks

Nos, capacity, location, type

Clear Water Tanks

Nos, capacity, location, type

WaterTreatment Plant

Process, units, capacity, loading rates, performance, output quality, input quality, area available and area occupied, water losses in WTP, Operational status of units, Laboratory, disposal of waste

Disinfection

Where done, dose, residual chlorine

Metering

Bulk Metering :   
Type, location, condition, size

Consumer Metering :  
Size wise meters, functional meters, repair costs, type of meters,  

Institutional Setup

Responsible organizations, structure and strength of organization, whether commercially, administratively independent entity, delegations, systems, staff motivation, know how of staff, training requirements

O&M

Staff and expenditure on different components of water supply, quality of maintenace, dailly weekly, monthly schedules of maintenance, Inventory of stores, records of key activities,

Tariff

Current tariff, when revised last, competent authority to revise

Revenue

Billing procedure, revenue collection process, expenditures, Revenue assessment, realization, outstanding

Major Issues & Concerns

Major Issues and Concerns emerging from review of the existing water supply system.