Brihanmumbai Storm Water Disposal System
Encyclopedia
The Brihanmumbai Stormwater
Disposal System(BRIMSTOWAD) is a project planned to overhaul Mumbai
's water drainage system. The estimated budget for implementing the project is Rs.
1,200 crore
(approx. 300 million US dollars) as of August 2005. Such a high-budget project would require funds from the Central Government.
s and more than 30,000 water entrances. The capacity of most of the drains is around 25 mm of rain per hour during low tide, which is exceeded routinely during the monsoon
season in Mumbai, which witness more than 1400 mm during June and July. The drain system works with the aid of gravity, with no pumping stations to speed up the drainage.Most of the storm water drains are also choked due to the dumping of garbage by citizens. Portions of Mumbai like Bombay Central and Tardeo
remain below sea level. Reclamation of ponds and obstructions in drains due to cables and gas pipe exacerbate the problem.
was appointed as consultants to design the drainage system from Sandhurst Road
to Milan subway in 1989 . A proposal was submitted in 1993 for a project which involved replacement of drains, setting up of pumping stations at Worli
, Haji Ali and Cleaveland Bandar,construction of a five-metre wide road alongside major drains for desilting, removal of obstructions from the drains and rehabilitation of slum-dwellers . The project was not acted upon due to lack of funds till the catastrophic floods in 2005.
The initial estimated cost of the project was around Rs 600 crore. Around Rs 143 crore was spent on the project till 1998. By 2005, the project cost had gone up to Rs 1200 crore.
Stormwater
Stormwater is water that originates during precipitation events. It may also be used to apply to water that originates with snowmelt that enters the stormwater system...
Disposal System(BRIMSTOWAD) is a project planned to overhaul Mumbai
Mumbai
Mumbai , formerly known as Bombay in English, is the capital of the Indian state of Maharashtra. It is the most populous city in India, and the fourth most populous city in the world, with a total metropolitan area population of approximately 20.5 million...
's water drainage system. The estimated budget for implementing the project is Rs.
Indian rupee
The Indian rupee is the official currency of the Republic of India. The issuance of the currency is controlled by the Reserve Bank of India....
1,200 crore
Crore
A crore is a unit in the Indian number system equal to ten million , or 100 lakhs. It is widely used in India, Bangladesh, Nepal, and Pakistan....
(approx. 300 million US dollars) as of August 2005. Such a high-budget project would require funds from the Central Government.
Background
Mumbai has a drainage system, which in many places, are more than 100 years old, consisting of 2,000 km of open drains, 440 km of closed drains, 186 outfallOutfall
An outfall is the discharge point of a waste stream into a body of water; alternatively it may be the outlet of a river, drain or a sewer where it discharges into the sea, a lake or the like....
s and more than 30,000 water entrances. The capacity of most of the drains is around 25 mm of rain per hour during low tide, which is exceeded routinely during the monsoon
Monsoon
Monsoon is traditionally defined as a seasonal reversing wind accompanied by corresponding changes in precipitation, but is now used to describe seasonal changes in atmospheric circulation and precipitation associated with the asymmetric heating of land and sea...
season in Mumbai, which witness more than 1400 mm during June and July. The drain system works with the aid of gravity, with no pumping stations to speed up the drainage.Most of the storm water drains are also choked due to the dumping of garbage by citizens. Portions of Mumbai like Bombay Central and Tardeo
Tardeo
Tardeo or Tardeo Road is a residential and commercial locality of South Mumbai, from Nana Chowk to Haji Ali Junction...
remain below sea level. Reclamation of ponds and obstructions in drains due to cables and gas pipe exacerbate the problem.
History
The project was conceived after major floods in Mumbai in 1985.Watson HawksleyMWH Global
MWH Global is a global Wet Infrastructure firm, providing technical engineering, construction services and consulting solutions to protect, enhance, store and distribute water. The firm has provided planning, design and construction management services for a wide range of water resources projects...
was appointed as consultants to design the drainage system from Sandhurst Road
Sandhurst Road
Sandhurst Road is a railway station on the Central line of the Mumbai Suburban Railway. It is the third stop from Chatrapati Shivaji Terminus.Named after Lord Sandhurst, the Governor of Bombay between 1895 and 1900, the station was built in 1910 using funds from the Bombay City Improvement Trust,...
to Milan subway in 1989 . A proposal was submitted in 1993 for a project which involved replacement of drains, setting up of pumping stations at Worli
Worli
-History:Worli was one of the original seven islands that constituted the city of Mumbai. Although primarily a fishing village, the Worli Fort, a British fort that is now in ruins, is located there. Its original resident was the legendary Dishankeshwar Kalsi who has also been recognized in several...
, Haji Ali and Cleaveland Bandar,construction of a five-metre wide road alongside major drains for desilting, removal of obstructions from the drains and rehabilitation of slum-dwellers . The project was not acted upon due to lack of funds till the catastrophic floods in 2005.
The initial estimated cost of the project was around Rs 600 crore. Around Rs 143 crore was spent on the project till 1998. By 2005, the project cost had gone up to Rs 1200 crore.
External links
- Executive Summary of Environment Status Report of the Municipal Corporation of Greater Mumbai, 2002-03 (PDF format) which states: "...The present Storm Water Drainage system in the city is 70 years old and about 480 km in length. It is capable of handling rain intensity of 25 mm per hour at low tide.... One of the heavily polluted storm water drains which is known as Mithi River is responsible for polluting Mahim creek. BRIMSTOWAD is a project for the rehabilitation of city's SWD system.... The project... will cost Rs. 616 crore at 1992 price."
- http://mdmu.maharashtra.gov.in/pages/Mumbai/mumbaiplanShow.php - Government of MaharashtraGovernment of MaharashtraGovernment of Maharashtra is the government for the state of Maharashtra in Western India.It is an elected government with 288 MLAs elected to the legislative assembly for a 5 year term.-Ministers:...
's Department of Relief and Rehabilitation's "Mumbai plan" which says - "The present capacity of the storm-water drains needs to be augmented to a higher capacity which is under serious consideration with the Government of Maharashtra/BMC." - "BMC project cost mounts to Rs 1,200 crore" - Mid-DayMid-dayMid Day is an afternoon daily Indian compact newspaper. Editions in various languages are published in Mumbai, Bangalore, Delhi and Pune .-Establishment:...
article dated July 10, 2005