Detailed presentation of Arch and cable stayed bridge connecting bandra to worli in Mumbai.One of the traffic decongestion efforts by Municipal corporation of Bombay.

1. Submitted By:
Sulakshya Gaur(121684)
Aayush Mittal(121685)
Harshit Thakur(121689)
Rajat Bhardwaj(121696)
Puneet Goyal(121699)

2. Bandra Worli Sea Link(BWSL) is the civil engineering
marvel spanning across the arc of Mumbai coastline .
•Started in 2000
•Opened in 2009

3. Reduces time
Regulation of traffic
Stress free driving
Reduces accidents and noise pollution

4. Use of M60 grade concrete
Largest span for cable stayed bridge
Dimensions
Material used
India’s first bridge in open sea conditions
An intelligent bridge management system (IBS)
provides traffic information, surveillance, monitoring
and control systems.
Partners involved were ultratech, TATA steel, VSL
Singapore, SPCC etc.

6.  The entire project was originally conceived as one large
project comprising, different components, but in order to
accelerate the overall construction schedule, the project
has been divided into five construction packages.
 Package I: Construction of flyover over Love Grove
junction at Worli.
 Package II: Construction of cloverleaf interchange at
Mahim intersection.
 Package III: Construction of solid approach road from the
Mahim intersection up to the start of the Toll Plaza on the
Bandra side.

7.  Package IV: Construction of Cable-Stayed Bridges
together with viaduct approaches extending from
Worli up to the Toll Plaza at Bandra end, Intelligent
Bridge System (IBS).
 Package V: Improvement to Khan Abdul Gaffar Khan
Road.

8.  Package IV is the largest and main phase of Bandra-
Worli Sea Link Project. Main features of this
technically challenging package are :
 Cable-Stayed Bridge including viaduct approaches
extending from Worli up to Toll Plaza at Bandra end.
 Modern Toll Plaza.

9.  The work order for work of construction of BWSL
bridge was issued to HCC for Rs.400.23 crore. The
completion time was stated as 30 months from the
date of notice to proceed with the work.
 The bridge layout is categorized into three different
parts:
 Part 1 - North-end approach structure.
 Part 2 - Cable-Stayed Bridge.
 Part 3 - South end approach structure.

10.  A modern toll plaza with 16 lanes is provided at the
Bandra end. The toll plaza is equipped with a state-
of-the-art toll collection system. A structure is
provided at this location to house the control system
for the ITS.

11.  Engineering Challenges
1) Laying of foundation
2) Heavy spans
3) Design of concrete tower
4) ground stabilization

12. Working during monsoon
Logistics
Psychological conditioning

13.  Change in design of the bridge
 Change in the contractors and the delay caused by
them.

15.  Estimated savings in Vehicle Operating Costs (VOC):
Rs. 100 Crores per annum.
 Considerable savings in travel time (20 to 30
minutes) due to increased speed and reduced delays
(23 signals avoided).
 Stress free driving.
 Reduced accidents.
 Reduction in traffic on existing roads because of
traffic diversion to the Sea Link.

16.  Reduction in Carbon Monoxide and Nitrogen Oxide
Levels in Mahim, Dadar, Prabhadevi and Worli along
existing roads.
 Reduced noise pollution in Mahim, Dadar,
Prabhadevi and Worli along existing roads.
 No adverse effect on fisheries, marine life and
livelihood of fisherman.
 Landscaping along the approaches and waterfront
promenade enhance the environment and add green
spots to the city.

18.  The cost of the Bandra-Worli Sea Link Project
originally (July 1999) estimated at Rs.665.81 crore
was revised (August 2004) to Rs.1,306.25 crore.
 Though the project was originally expected to be
completed by March 2003, the expected date of
completion is now stated to be April 2008.Delay were
mainly due technical changes brought up by new
consultants .

19.  The Company changed the design of the Worli bridge
to “Cable stay” from “Arch bridge” to align with the
bridge at Bandra, a decision, which could have been
taken at the initial stages itself.
 Against a commitment of Rs.580 crore by way of
grants, the State Government had provided only
Rs.100 crore till June 2007.

20.  The selection process of Consultant for the design
and project management work was defective, as the
Company did not verify the technical parameters as
projected by the Consultant.
 The Company did not levy Liquidated Damages
amounting to Rs.12.80 crore on the Contractor
(HCC) as per conditions of the contract despite
wrongful stoppage of work by them for 18 months
and non-achievement of milestones due to poor
progress of work.