Hyderabad: The coming of the 2,599th pier at MGBS metro station this week marked the culmination of more than seven year long exercise for construction of Metro Rail pillars.
According to N.V.S.Reddy, Managing Director, Hyderabad Metro Rail Limited, the construction of Metro Rail pillars started in April 2012 with bhoomi puja for the first pillar near Genpact in Uppal. The erection of the last pillar i.e., 2,599th pier near MGBS metro station was completed a couple of days back, he said.
Except for the 6 km stretch in the old city, all the pillars for the 66 km phase-I metro project have been completed, Reddy said adding that ‘a new world record has been created by construction of so many metro pillars by a single company L&T in this manner’.
“The pace of construction is also very significant and on an average one metro pillar was constructed per day,” he said.
Depending upon the technical requirement and locational constraints, different shapes have been adopted for the pillars. Of the 2,599 pillars, 1,569 are normal pillars, 224 are cantilever pillars, 602 are station pillars, 51 are hammer head pillars and 153 are portal pillars, Reddy said.
He also described the construction of such a large number of pillars by barricading about 30 feet in the middle of the congested roads of Hyderabad, as an engineering and logistics challenge.
Hurdles and milestones faced in construction activity:
- Permissions from the National Highways (which took 3 years), Defence (4 years), Railways (4 years)
- Acquisition of about 3,000 properties through negotiations and winning over 370 cases in court
- Shifting of 200 kms of HT and LT electric cables in about 380 locations
- Relaying of 25 kms of sewer lines, water lines and storm water drains
- Shifting of about 5,000 electrical poles
- Translocation of about 2,100 trees
- Removal of 3,000 trees with compensatory plantation of 6 lakh saplings
Types of Piers (pillars):
Pier Type Total Piers
Normal Piers 1,569
Cantilever Piers 224
Station Piers 602
Hammer Head Piers 51
Portal Piers 153