Page 50 - Construction_Opportunities_December_2024

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COVER STORY
CASE STUDY

PERI has delivered around 480 tonnes of formwork and scaffolding material to the client’s
construction site in addition to providing comprehensive on-site support
PERI assists with the construction of

Asia’s largest underground station,

Mumbai Metro - Bandra Kurla Complex
(BKC) station, Mumbai, India

The Bandra Kurla Complex The Bandra Kurla Complex (BKC) is located against the ground earth. What was required
(BKC) is an underground on the section of the 33.5-kilometre-long was a single-sided formwork solution that
station on the Mumbai Colaba-Bandra-SEEPZ line (also known as line could also cover the surface of the 24-m-long
Metro, a rapid transit system 3) that connects the Cuffe Parade business and 4.5-m-high concreting sections at a
district in the extreme south of the city to
single pour.
that is currently under the Santacruz Electronics Export Processing
construction. The rapid Zone (SEEPZ) and the Aarey in the north. Upon Constructing retaining walls at a depth of
transit system in the Indian completion, the BKC will act as an extremely around 16 metres
metropolis will serve the important hub for passengers looking to PERI camae up with a special-purpose
city of Mumbai itself as well change swiftly to line 2. Special feature: the solution that ensured that the retaining walls
as its entire metropolitan BKC will be the largest underground station on could be constructed in only a single cast
and in the sectional dimensions required:
the Asian continent.
area in the federal the single-sided SCS Climbing System in
state of Maharashtra. By A complex underground construction combination with the LIWA Panel Formwork.
supplying comprehensive The 475-m-long and 30-m-wide underground With the aid of the SCS Climbing System
formwork and scaffolding station consists of two subterranean levels. The for non-tied wall formwork, it was possible
solutions to J. Kumar first level is 8.4 m high, ending with a 750-mm- to transfer the loads resulting from the fresh
Infraprojects Limited, the thick slab. The second level is 5.5 m high concrete pressure through climbing ties and
contractor, PERI has been and ends with a 1,200-mm-thick floor. Since into the previous concreting section via the
brackets. In this way, it was possible to stick to
all loads acting on the slabs are transferred
providing assistance since directly into the columns, approximately the demanding concreting cycle of only 25
construction began on 1450-mm-thick drop panels were used to 30 days that had been stipulated.
the major project in April between the columns and the slabs. The LIWA Panel Formwork was also used
2019 so that the BKC can Concreting the retaining walls was the first at the construction site in Mumbai for the
be completed within the challenge that the construction team faced construction of the 8.4-m-high columns. This
demanding construction due to the fact that it was impossible to system formwork stands out not only due
to its low weight but also on account of its
absorb the horizontal fresh concrete pressure
time-scale of only 14 on the wall formwork using formwork ties on integrated perforated strip. This allowed the
months. account of the subterranean position up construction site team to use the elements in

50 CONSTRUCTION OPPORTUNITIES|DECEMBER 2024