Bengaluru Metro Project

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  • Topic: Railway platform, Rapid transit, Tunnel
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  • Published : February 13, 2013
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JOB SITE REPORT

PUTZMEISTER BOOM PUMPS WORKING AT
BANGALORE METRO PROJECT, BANGALORE

About BMRCL :
Bangalore Metro Rail Corporation Ltd (BMRCL) is a joint
venture between Govt. of India and Govt. of Karnataka
sharing the responsibility of implementation of Bangalore
Metro Rail Project. It is named as “Namma Metro”.
Phase I metro project started(Civil work) in June2007 .The
estimated cost of project is Rs 11609 Cr.
Namma Metro phase-I network consist of two corridors :
East-West and North –South.
Project highlights: Project Routes East-West Corridor (Purple Line): Baippanahalli station to Mysore road Terminal - 18.10 Kms
North-South Corridor (Green Line): Nagasandra station to
Puttenahalli - 24.20 KMS
Total KMS in Phase –I: 42.30 KMS
Elevated section - 33.48 KMS
Under Ground Section - 8.82 KMS
No. of Station - 40 ( 33 Elevated and 7 under ground)

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JOB SITE REPORT

Reach and Routes:
For the implementation and execution of the project, four elevated stretches are called Reaches & are identified so for convenience purpose. Also there are two underground sections are connecting Reach -1 and Reach-2 in East-West Corridor and Reach-3 & Reach-4 in North-South Corridor respectively. Each Reach has been given to a contractor for execution of the project. The details of Reaches are as under.

Section
Reach-1
Reach-2
Reach-3
Reach -3A
Reach -3B
Reach-4
Reach-4A
UG-1
UG-2

PCM JSR1029

Line
East Line
West Line
North Line
First North ext. Line
Second North ext. Line
South Line
South Ext. Line
N-S Underground Line
E-W Underground Line

Route
Cricket stadium to Baiappanahalli -6.7 kms
Leprocy hospital to Mysore Road-6.4 kms
Sampige Road to yeshwantpur -5.1 kms
Yeshwantpur to Peenya ind -4.8kms
Peenya Ind to Nagasandra-2.5 kms
National college to R V Road-4.1 kms
R V road to Puttenahalli -3.9 kms
Sampige and National College-4 kms
Cricket stadium and Magadi Road-4.8 kms

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JOB SITE REPORT

BMRCL has distributed the works to select best contractors based on their expertise in execution of project 1) Building of Elevated structure.
2) Building railway station.
3) Rail tracking construction
4) Underground Tunnel construction.
Methods used for concreting:
1)Viaduct (Elevated structure): Basically using precast structure for segment, girders, pier cap etc. Each segment requires 20 cu.m. concrete and I- girder is required 17 cum. 2)Station building : Using precast and slab by concreting.

3)Under ground tunnel: Using precast for tunnel rings. Tunnel concreting by shotcrete. 4)Track laying : Concrete is required to make plinth construction and track bed construction inside tunnel.
All the above application require high grade concrete: M40,M50,M60

Market share of Putzmeister
Boom
Pumps is around 70-80 % in this project.
BMRCL project of R-3A
for Elevated
structure for 5.1 KMS. Putzmeister Boom
pump model BSF 36.09 is being used for precasting and concreting piers & piers caps. Boom Pump details :
Pump commissioned on :19/08/2010
Pumping hrs : 1092 hrs
Concrete done : 45,000 Cu.m.
Concrete grade used : M40, M50
Almost done 1100 segments and 1000 nos.
I-Girders by using this machine.
Each segment will have 20 cum concrete and
each I-Girder will have 17 cum concrete.
P&M - Incharge is extremely satisfied with
the performance of the machine and
completing his project as per stipulated
timeline.

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JOB SITE REPORT

BMRCL project of 3 nos. station in R-3, 3 nos
station in R-3A, 3 nos. Stations in R-4. Putzmeister
Boom Pump being used basically for building
Station and for placing concrete at 3 level and for
different structure. All station locations are highly
congested due to traffic & placing concrete is a big
challenge.

Machine working at Yeshwantpur Station

Boom pump working for placing concrete at Peenya...
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