MCGM has undertaken the work o constuction of tunnel about 60 mtr umderneath from ground level from Maroshi-Vakolayard-Ruparel collage(Mahim) to replace the old existing trunk mains and therby to augment the water supply of mumbai city and suburb.
The tunnel is virtually free and will facilitated unintrerrupted Water Supply with better pressure to the city and suburbs of mumbai.

The work of fixing 2400mm Butter Fly Valve on 2500mm Bhondup-Maroshi main as part of 3000mm Maroshi-Vakola-Mahim-Ruparel Tunnel project is proposed to be xecuted from 6-JAN TO 9JAN 2011 The Bhandup-Maroshi main is requried to be isolated for about 72-hours for this work.
During this period on 06JAN & 08 JAN 2011 there will be no water wupply to Cuff Parade, Colaba(NAVY) Nariman point, Backbay Reclimation, Fort & Churchate area, Sabusiddik Road Area in 'A' ward and 7 JAN 2011 There will be no water supply to kalbadevi, C.P. Tank Girgaum in 'C' ward, Girgaum, Thakurdwar, Mumbai Centrel in 'D' ward.
The reduction in veravali input there will be no water supply on 6 JAN in andheri (E), Jogeswari (E), In K/East & ODC Zones Andheri(W), Vile parle(W), Santacruz(E), Bandra(E), & MIDC Andheri(E), and on 8 JAN 2011 Andheri(W), Zone, Poonam nagar & Vile parle(E)
The water supply in G/N & G/S in island city and water supply to N&L wards in Eastern Suburb from Ghatkoper Reservoirs, will be 50% of normal supply during the isolation period During this period supply of P&R wards will also be curtailed by 10%.