Interlinking of Water Supply Mains
DISASTER MANAGEMENT- BY INTERLINKINGWATER SUPPLY GRIDS
By
Dr. Sanjay Dahasahasra, Chief Engineer, Maharashtra Jeevan Pradhikaran,, Kanhaiya Nagar, Kopri, Thane- 400 603.
Ulhas Naik, Ph. D. Scholar, VNIT, Nagpur
Mrs. Madhuri Mulay,, Assistant Engineer, Maharashtra Jeevan Pradhikaran,
Kanhaiya Nagar, Kopri, Thane- 400 603
ABSTRACT
During last year’s flood disaster in Mumbai metropolitan area, water supply of the three cities, namely, Ambernath, Badlapur and Panvel was successfully restored by the arrangements of interlinking the source of affected city with the available nearby normal alternate source.
Principle of interlinking water supply system pivots on the fact that ifone source of the city is hampered, the system gets water from the alternate source to maintain continuous water supply. Considering successful application of the practice of interlinking in last year’s flood, a hydraulic model simulating all 14 water supply systems of Mumbai metropolitan area has been prepared using application software of WaterCad. Modeling of the failure system is a critical part of designing and operating water networks so that the water system serves community reliably, safely and efficiently in the crisis period.
The model describes real-world system mathematically and gives set of solutions for switching over to alternate sources, if any disaster strikes.
Objective of this paper, therefore, is to unfold various characteristics of the model and describe how it would be applied during crisis period. For this purpose a case study of disaster management scheme for Ambernath and Badalapur water supply system is presented here. The study presents various real alternatives to the water authorities,if any one of its four sources fails during disaster.
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