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| Name of Work
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Construction of foundation,
sub structure, super structure and approach
road in connection with ROB at Nalasopara,
Mumbai for MSRDC. |
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| Client : |
IRCON International Limited, Mumbai. |
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| Cost of Work : |
Rs. 84.10 Millions |
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| Year of Completion : |
September 2000 |
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| Description of Work : |
The Road over Bridge (Total length 560
Meters ) was consisting of :
Foundation : 1000 mm dia, 10 m deep,
RCC Cast-in-Situ Bored Piles (total 140
nos.)
Substructure : RCC
Super Structure : RCC Continuous
Slab and Voided Slab. 5 x 10.5m (1 no.),
4x10.5m(5 nos.) & 3x10.5m (1 no.) continuous
RCC Spans and 2 x 20 m RCC voided slabs
Approach Bank : Reinforced Earth
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ROB/Via
Duct with continuous Slab
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Dynamic
Load Testing on Pile Foundation
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RCC Portal
Structure in Railway Portion
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Re Structure
in action |
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RCC Portal
Structure in Railway Portion
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Special staging for
Portal ( P16 ) made to keep on going traffic
during Construction Phase. |
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Excavation
of Pile cap ( P14 – Mumbai side
) near to Railway Track, Lots of Underground
services can be seen. ( Entire work of
this important activity is
carried out without disturbing running
train or underground services )
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Reinforced
Earth Structure towards East side ( Pre
cast Facia can be seen in photo ) |
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RCC Portal
Structure in Railway Portion
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Super structure –
Continues R.C.C. Solid Slab towards East
side |
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| Remarks
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- ROB was constructed at the location of existing
level crossing. The frequency of closing / opening
of gate was about 2 to 3 minutes. The site is
falls in the busiest area of Nalasopara town
and Road connecting to National Highway with
shops running on either side.
- The site of work was not continuously available
due to limited space and time restriction for
working. There were number of overheads and
unforeseen under ground services like water
supply, sewage line, telephone and electrical
cables etc., encountered during work. This required
utmost care was taken to keep the services uninterrupted.
- The work close to Railway Track has to be
done with utmost safety.
- Superstructure work consisting of continuously
RCC solid slab, RCC voided slab. The same were
carried out in monsoon under extremely heavy
traffic condition.
- Reinforced earth work was carried out with
the help of Geogrids and Precast Facia.
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