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Water Treatment

BMC to set up sewage treatment plant at Mahim

Tuesday, 04 February 2014 11:24 administrator
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The Times of India            04.02.2014

BMC to set up sewage treatment plant at Mahim

MUMBAI: The Brihanmumbai Municipal Corporation (BMC) has planned to set up a sewage treatment plant at Mahim Causeway. Treated water from this one million litre daily (mld) plant will be used for purposes other than drinking like gardening.

Standing committee chairman Rahul Shewale said, "The plant, to be built at the inward pumping station at Mahim Causeway, will be completed in next six months. Treated water from this plant will be used in gardens in Mahim and surrounding areas. This will help us in saving the potable water."

According to the civic officials, the plant will be set up on the basis of Rotating Media Biological Reactor (RMBR) technology. The Hindustan Cocacola Beverages (HCB) Pvt Ltd has decided to fund this sewage treatment plant project as a part of its social corporate responsibility (CSR).

Officials of the BMC and the HCB on Thursday signed an agreement to this effect at the civic headquarters. According to the pact, the company will not only bear the project cost, but will also operate and maintain the plant for the first three months.

The work to set up and maintain a sewage treatment plant at Mahim Causeway has been allotted to M/s Naik Environmental Engineers at an estimated cost of Rs 1.5 crore. The bidder has also set up sewage water treatment plants at College of Military Engineering, Pune and Central PWD Colony, Belarpur, which are running successfully, said civic officials.

According to the civic officials, the water supply demand has been increasing continuously due to the rising city population. With rains playing truant these days, the stocks are also limited, which compels the BMC to plan its use by making water cuts. In such circumstances, the use of recycled sewage water for purposes other than drinking can be a better option.


The BMC has also shortlisted seven sites - Colaba, Worli, Ghatkopar, Bandra, Versova, Malad and Bhandup - for setting up sewerage treatment plants in the city. Nearly 2493 million litre daily (mld) waste water could be treated. This is apart from the 150 mld water recycling plant to be set up at Ghatkopar on BOOT (build, own, operate and transfer) basis.

 

Recycled Hussainsagar water to go on sale at Kacheguda, Nampally stations

Thursday, 30 January 2014 09:16 administrator
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Deccan Chronicle               30.01.2014

Recycled Hussainsagar water to go on sale at Kacheguda, Nampally stations

Hyderabad: The Buddha Purnima Project environmental wing of the Hyderabad Metropolitan Development Authority (HMDA) will sell eight million litres of non-potable water per day through three filling stations that will be constructed on Necklace Road in the coming months.

Though 50 million litres of treated water from two Sewerage Treatment Plants (STP) flows into the lake daily, Hussainsagar needs only 35 MLD for lake balance. Of the remaining 15 MLD, the civic body will use 7 MLD for landscaping and gardening around the water body and the rest will be sold. This the first time the lake’s water is being recycled and sold.

Member environment, BPP-HMDA R.P. Khajuria said that the non-potable treated water can be used for irrigation, construction, landscaping, gardening and washing purpose.

Two construction firms have approached the BPP and GHMC authorities and Imax has come forward to purchase as well. The price per tanker will be as per current borewell tanker charges.

According to the BPP officials, the South Central Railway has also come forward to accept 1.10 MLD recycled water (0.6 MLD at Nampally railway station and 0.5 MLD at Kacheguda station).

The treated water contains dissolved oxygen less than 3 milligrams per litre (mg/l), residual chlorine from 0.1 to 0.2 mg/l, and other elements like nitrogen, phosphorus, coliform and suspended solids.

“The main pipeline towards each filling station is designed to supply 450 cubic metres per hour to cater to demands in addition to filling tankers,” an official added.

Recycled Water availability

Tanker filling stations: 3 on Necklace Road

Filling points at each station: 4 (total tanker filling point 12)

Volume of each tanker: 10,000 litres

Maximum water flow at each filling point: 69 cubic metre per hour)

Time taken to fill a tanker: 10 minutes

Tanker filling capacity of each filling point: 4 tankers per hour (filling capacity at each station is 16 making it 48 tankers per hour for all centres combined)

Water consumed for tanker filling: 480m3 per hour

Total recycled water supplied through tankers over 8 hours - 3840 m3/8 hrs

 

VMC begins work on sewage pumping station at Sardarbaug, Alkapuri

Tuesday, 28 January 2014 00:00 administrator
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The Times of India          28.01.2014

VMC begins work on sewage pumping station at Sardarbaug, Alkapuri

VADODARA: The Vadodara Municipal Corporation (VMC) kicked off work on a sewage pumping station (SPS) near the Sardarbaug swimming pool in the Vadiwadi area adjoining Alkapuri. The project is coming up at a cost of Rs 1.96 crore.

The SPS had become necessary in wake of the accumulation of sewage water in a depression near the swimming pool. Some water from this also seeped into the swimming pool and users had raised the issue with the VMC recently.

VMC officials said that the new swimming pool will ensure that the problem is taken care of. The project will also ensure that the load on the sewage line from the Genda Circle to the BPC Road via Alkapuri is reduced.

The depression filled with sewage water had also raked up a row recently when a school located near it asked its students to wear clothes that cover their hands and legs in wake of mosquito menace. The opposition Congress in the VMC had come down heavily on the VMC after this suggestion by the school to its students. 

 
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