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News & Views
News & Views
With Love from L&T
on 8/18/2020 11:30 AM
With Love from L&T
The Al Rayyan Stadium in Qatar – one of the venues for FIFA 2022 World Cup - is being built by L&T.
L&T has manufactured the largest cryostat in the world for ITER - the ambitious ever nuclear fusion project in human history coming up in France.
The Statue of Unity in Gujarat is the tallest in the world and has been constructed by L&T.
The largest cricket stadium of the world at Motera in Gujarat has also been constructed by L&T.
The K9-Vajra-T howitzer, latest in the armoury of the Indian Army, has been manufactured by L&T at its facility at Hazira in Gujarat.
L&T is also constructing the tallest hotel in Sri Lanka - the ITC Colombo.
was 46 years ago. On a scorching summer day, India took the world by great surprise by test detonating the country’s first ever nuclear weapon, the Smiling Buddha, popularly known as Pokhran-I.
This upset the global nuclear applecart. Reacting with shock and awe, major nations quickly issued sanctions against India. Canada, which had supplied a reactor for the Indian civil nuclear programme and was manufacturing a few more, unilaterally pulled out of the project, plunging it into uncertainty.
At this juncture, the Government of India turned towards a domestic company for completion of the crucial and critical task.That private sector company was none other than Larsen & Toubro, and it subsequently completed the balance work utilising indigenous technology and skillsets.
That was much, much before the term ‘Make In India’ was coined to push for indigenous capabilities. While this remains an watershed moment, L&T, interestingly, has been for decades implementing crucial and critical projects in diverse fields – not only in India but also on foreign lands.
Not many would know that L&T, India’s very own multinational conglomerate, is laying the Metro Railway networks in four countries; constructing several arterial superhighways in the Middle East; built the Abu Dhabi International Airport, as well as the world’s longest cross-country conveyor.
L&T is not only a trusted supplier and manufacturer of critical defence apparatus to the Indian Defence Services. It also exports defence products such as weapon, engineering and control systems and missile subsystems to as many as 11 foreign nations that are on India’s friend-list.
The conglomerate has manufactured the cryostat for the world’s largest nuclear fusion reactor project in France; built a gas exploration platform in the Arabian Gulf; an oil and gas gathering centre in Kuwait and reactors for oil refineries in several countries, including the emerging superpower China. L&T is also building Sri Lanka’s tallest and most expensive hotel; a stadium and an eight-lane road for the 2022 FIFA World Cup in Qatar.
At home in India, L&T’s iconic contributions include the Lotus Temple in Delhi, the world’s tallest statue and the largest cricket stadium in Gujarat, India’s first Smart City in Rajasthan, the dazzling T2 of Mumbai airport and T3 of Delhi airport, the Metro Railway network in Hyderabad and Lucknow, and the ITC Royal Bengal in Kolkata that was thrown open last year.
L&T continues to live up to the nation’s expectation for self-reliant India or Aatmnanirbhar Bharat by delivering world-class projects, products and systems. The conglomerate has truly become the flagbearer of India’s engineering, construction and technological prowess in the rest of the world.
Here are glimpses into some recent iconic projects and products that L&T has delivered to the world and India. A glance through these would make every Indian heart swell with pride.
WORLD’S LARGEST CRYOSTAT – FRANCE
In 2012, L&T’s Heavy Engineering vertical won the prestigious contract to manufacture the cryostat for ITER, the world’s largest nuclear fusion reactor, coming up in France. At 29.4 meters in diameter, 29 meters in height and weighing 3,850 MT, the cryostat is the world’s largest stainless-steel, high-vacuum pressure chamber ever built. The vacuum-tight container is to surround the reactor vacuum vessel and the superconducting magnets, and is to essentially act as a very large refrigerator.
L&T’s scope included manufacturing the assemblies for the cryostat at its Hazira manufacturing complex in Gujarat, constructing a temporary workshop at the ITER site at Cadarache in France for assembling the various sectors, and integrating the cryostat in the Tokamak Reactor building. The sheer size of the cryostat meant that L&T had to plan for a three-stage build-up process. First manufacturing 54 segments in India and shipping them to France. Next, assembling the segments into four large manoeuvrable sections (base, lower cylinder, upper cylinder, top lid) at the on-site workshop. And lastly, integrating and welding the sections together in the Tokamak Pit.
L&T has supplied all the components ahead of the deadline, with the final component, the Top Lid, been flagged off this 30 June – despite the challenges posed by COVID. During the nationwide lockdown, L&T engineers quickly adapted to the new normal and ensured uninterrupted supplies to ensure that assembly of the cryostat in France began as scheduled.
OFFSHORE GAS PROJECT - SAUDI ARABIA
Historic, is perhaps the only adjective that comes close to fully capturing the essence of Hasbah Gas Increment-II Project in Saudi Arabia awarded in 2016 to L&T Hydrocarbon Engineering in a consortium with EMAS AMC.
Part of the Fadhili Gas Project Program of public sector company Saudi Aramco, the scope of the project included detail design, procurement, fabrication, transportation, installation, testing, and commissioning of a network of offshore facilities connected to onshore processing plant through subsea pipeline passing through difficult land and sea terrains.
To put the quantum of work into perspective, the project took 800,000 engineering manhours to produce 160,000+ engineering deliverables, procurement of a million+ components from 400+ suppliers spread across the globe (from South Korea in the East to USA in the West), and fabrication of structural steel enough to build four Eiffel towers.
The project was key to not just Saudi Aramco’s business prospects but also Saudi Arabia’s standing as a regional power in energy. L&T delivered to the total satisfaction of the overseas upscale client.
L&T is engaged in the designing and construction of an integrated Light Rail-based urban transit system for Metro Express Ltd, a public sector entity in Mauritius.
The 26-km route will connect the capital city Port Louis and the town of Curepipe. It includes viaducts and bridges, three major bus interchanges and 19 stations.
L&T has partnered with the world majors in Light Rail Transit for supplying the rolling stock, constructing the depots and sourcing of maintenance equipment. The first phase – a 13-km stretch – was made operational in 2019, while the entire route is scheduled to be completed by 2021.
RIYADH METRO - SAUDI ARABIA
Located in Saudi Arabia’s capital, Riyadh Metro will have six lines running for 176 km and 85 stations. L&T, as part of ANM Consortium, is engaged in the design and construction of Package-II for Line 3. This stretch includes 25 km viaducts, six km tunnel, 5.5 km cut-and-cover sections with three shallow underground stations, nine elevated and seven underground stations, one transfer and two iconic stations, two depots and a transit system involving 47 unmanned trains and controls.
The roof of the depots is designed to resemble a sand dune; the station has the shape of three birds landing. The canopy of the iconic stations is a stainless-steel bowl. Year of completion : 2020.
DOHA METRO – QATAR
Being built in the capital of Qatar, Doha Metro is to have a track length of 205 km. Its 109 stations are designed to resemble the traditional Bedouin tents mimicking a vault; a space concept with a pearl-effect in tones that reflect the Qatari heritage; the exterior will be dhow-inspired.
L&T, along with four partners, is engaged in 11.68 km twin-bored tunnels passing through 10 underground stations along with related mechanical, electrical, plumbing and architectural works. Year of completion: 2020
DHAKA METRO – BANGLADESH
Located in the capital city, Dhaka Metro is Bangladesh’s first Mass Rapid Transit System. The first phase, named Line-6, is a 20-km stretch running between Uttara and Motijheel. It is to have 16 stations and a maintenance depot.
L&T’s Railway Special Business Group is developing its electrical and mechanical systems as a design-&-build package. This involves the construction of ballastless trackwork in mainline (43TKM), ballasted trackwork in depot (19TKM), eight 1500V DC traction substations, feeder messenger type DC overhead catenary system, energy storage system, a communication-based train control signalling system, LTE-based telecommunication system & radio communication, automatic fare collection system, platform screen doors, lifts, escalators and the overall system integration.
This apart, the Power Transmission & Distribution arm of L&T will execute the 132 kV GI-based receiving substations, associated EHV cabling from grid substations, auxiliary substations at stations and depot, 33 kV cable network along the viaduct and the SCADA system for power supply arrangements. Year of completion: Ongoing.
L&T constructed the world’s longest 17-km cross-country conveyor for Lafarge Surma Cement Ltd. The conveyor carries limestone and shale mined from the Nongtrai Limestone reserves in Meghalaya (India) to a cement plant at Noarai Chhatak in Bangladesh. The conveyor takes off from the hills of Meghalaya, runs through 1.5 km of extreme hilly terrain, crosses several rivers, waterways and roads before reaching its destination in Bangladesh. Year of completion: 2006.
KOC GC-30 – KUWAIT
About 100 km north of Kuwait lies the Kuwait Oil Company’s (KOC) North Kuwait (NK) Operations Zone. The area is crucial to KOC’s future ambitions.In 2014, KOC initiated the construction of three new Gathering Centres (GC) as part of a larger plan to boost oil production in NK from 700,000 BOPD to 1 MMBOPD by 2019. Of the three, the construction of the second one, i.e. GC-30, was awarded to L&T Hydrocarbon Engineering (LTHE) with a contract value of about USD 846 million.
The Gathering Centres were to receive crude from the Raudhatain fields and after a multi-stage process would separate 100,000 BOPD of crude oil, 240,000 BWPD of water and 62.5 MMSCFD of associated gas. While LTHE carried out the engineering tasks for GC-30 at its facilities in India; it coordinated the procurements both from India and Kuwait. Construction work was accomplished on a hybrid model: the structural, piping erection, electrical & instrumentation were carried out in-house; piping / structural fabrication, tankages and civil works were assigned to proficient subcontractors.
What set apart GC-30 from other similar projects executed by LTHE, is that the overall weld repair rate was below 1%, which is a benchmark and had never happened in any of KOC’s major projects. Year of completion: 2018.
METHANOL CONVERTER – CHINA
A Methanol Converter is a device used in chemical engineering. It is a complex equipment and its fabrication involves tube bundle prefabrication and insertion, bending of over 3000 tubes, 2,000 MT jacking system, tube to tube sheet welding with RT before and after PWHT, drilling of outer gas collector holes, sourcing and assembly of inner gas distributor, etc.
China’s Shaanxi Yanchang Zhongmei Yulin Energy & Chemical Company, awarded L&T the contract for supplying two each of Methanol Converter, Steam Drum, and Riser & Downcomer Piping. This was a repeat order for L&T as it had supplied a similar package to the same client in 2012. The project scope covered mechanical engineering including finite element analysis, 3D modelling, procurement of raw material, fabrication of equipment and transportation up to the international port in China. L&T successfully delivered all these critical items in 2019.
This was the first time that the entire Methanol Converter, including the tube bundle, was fabricated at L&T’s Hazira manufacturing facility.
FIFA 2022 WORLD CUP STADIUM – QATAR
Al Rayyan is a 40,000-seater air-conditioned stadium in Qatar’s capital Doha and is part of the sports infrastructure being developed for the 2022 FIFA World Cup. Inspired by the local patterns and dune-like structures, the stadium and its precincts have been designed to resemble the sand dunes that surround the traditional desert tents. A landmark in the making, L&T is executing this in joint venture. Year of completion: 2020
AL WAKRAH BYPASS – QATAR
Completed in 2019, this was the first mega transportation infrastructure project that L&T took up abroad. The project was envisaged at providing improved connectivity to Al Janoub Stadium – a venue for the 2022 FIFA World Cup and the Hamad Port. L&T’s scope of work included an 11-km eight-lane dual carriageway having five interchanges, all the related utility, landscaping, and a state-of-the-art intelligent traffic management system. The project work involved 6.7 million cubic meters of earthworks, 0.7 million tons of asphalt and 900 km of utilities.
Apart from showcasing the capability in handling mammoth projects, L&T demonstrated a unique aspect by drawing people into the project team from as many as 20 nationalities. Year of completion: 2019.
AL BATINAH EXPRESSWAY – OMAN
L&T constructed a 50-km stretch of the eight-lane Al Batinah Expressway in Oman that allows uninterrupted traffic from Muscat to the UAE border. This was a complex project that passed through one of the toughest terrains in the entire region. It involved 15.8+ million cubic metre of excavation in hard rock and laying 13 metre wide asphalt pavers - all done in close proximity to operational runways and taxiways. Year of completion: 2018
GUINNESS WORLD RECORD HIGHWAY – UAE
This is a four-lane international highway that runs from Mafraq in the UAE to Al Ghweifat on the Saudi Arabian border. It passes through some of Abu Dhabi’s key tourist and commercial locations and the industrial centre of Ruwais. L&T executed a 50-km stretch of the highway, namely Section 4A. The section features three interchange bridges of 90-m and holds the Guinness World Record for the Longest Single Stretch Street Lighting using LED. Year of completion: 2017
NMC ROYAL HOSPITAL - ABU DHABI
This is the second largest private hospital in Abu Dhabi and the fourth largest integrated specialty hospital in UAE. It has 250 regular patient beds, 78 ICU / NICU beds and 2276 rooms spread across a built-up area of 71,763 sq m. There is also a 5,000 sq ft royal suite. Constructed by L&T, the hospital features a state-of-the-art pneumatic tube system for quick and reliable transport of lab samples, pharmaceuticals, patient documents, small parts and countless other applications. Year of completion: 2016.
TALLEST HOTEL - SRI LANKA
A two-tower behemoth, ITC Colombo is under construction at the arterial Galle Face Beach and now happens to be the tallest icon in the Sri Lankan capital.
Being constructed by L&T, it is to have a 29-floor hotel tower offering 371 rooms, and a 49-floor residential tower having 143 upscale residential units bordered by the Indian Ocean and a lake on either side.
A spectacular skybridge ‘Ahasa One’ (‘Sky’ in Sinhalese), weighing 2,000 MT, measuring 55 m longitudinally and 18 m transversely, connects the two towers at a height of 95 m. The skybridge houses a restaurant and a jazz bar with two infinity pools overlooking the Indian Ocean on one side and Beira Lake on the other. Year of completion: 2020
LONGEST POWER LINE – EAST AFRICA
This is the largest and the longest high-voltage direct current (HVDC) system in Africa, and the longest and largest transmission line in Eastern Africa, running for 1,035 km from Ethiopia to Kenya. Having a capacity of 2,000 MW, the bipolar 500 kV HVDC line originates from Wolaita Sodo in Ethiopia and terminates in Suswa, with 433 km residing in Ethiopia and the remaining 612 km running in Kenya. L&T executed Lot-5 of the 612 km transmission line. Year of completion: 2019.
SAMALAJU SUBSTATION – MALAYSIA
This is the largest gas-insulated substation (GIS) in the 275/132/33 kV category in South East Asia and it has been constructed by L&T. Located at Sarawak in Malaysia, the project involved the construction of 275 kV, 132 / 33 kV control room and GIS room buildings, 30 bays of 275 kV GIS, 13 bays of 132 kV GIS, 2240 MVA Auto transformers, 280 MVA Power Transformers, 2500 kVA Earthing Transformers and eight reactors. Year of completion: 2018.
LARGEST SEWAGE TREATMENT PLANT – UAE
UAE’s largest, state-of-the-art sewage treatment plant at Jebel Ali (Phase-II) has been engineered by L&T for the Dubai Municipality. It can treat 375,000 cu.m. litres of wastewater per day and making it available for non-potable applications. Built on build-test-commission-operate-maintain basis, the plant features primary, secondary and tertiary treatment stages involving 2,650 process and mechanical equipment, 700 km of cables and 30 km of plant piping networks.
Constructed on 670 hectares of desert area, the project was delivered ahead of its schedule. Year of completion: 2019.
DUQM REACTOR & COKE DRUMS – OMAN
In 2018, L&T Heavy Engineering won the contract for supplying several critical components for the Duqm Refinery and Petrochemical Integrated Complex (DRPIC), an upcoming greenfield refinery in Oman. The contract was for four HCU Reactors, two DHT Reactors, and four Coke Drums.
L&T manufactured the six critical reactors, including their internals, at its facility at Hazira in Gujarat and supplied them a month ahead of the deadline. It used IOT stations for welding of the high-thick weld joints, and thus reduced the overall cycle time. The scope for the four Coke Drums included critical engineering activities like finite element analysis for fatigue life. Owing to the inherent corrosive environment, Coke Drums are made of clad plates (low alloy steel base plate with stainless steel cladding) that L&T sourced from reputed European steel mills.
Another challenge in Coke Drums fabrication was to make the dished ends (i.e. heads) through warm forming method, which has been accomplished for the first time for such a gigantic head. The delivery of all the four Coke Drums was made during the lockdown in India, once again demonstrating L&T’s commitment to its assignments. The unique aspect about these Coke Drums is that they were supplied completely ‘dressed’, i.e. with the insulation installed at L&T’s facility itself.
ARDS REACTORS – UAE
In 2018, L&T bagged the award for supplying Atmospheric Residue Desulphurisation (ARDS) Reactors to the Abu Dhabi National Oil Company in the UAE for a crude flexibility project. The scope included design, procurement, manufacture and supply of 16 ARDS Reactors (2800 mm L x 4674 mm W x 232.5 mm thick) of Cr-Mo-V grade material and CLG licensed SS internals with overall dispatch tonnage exceeding 9500 MT.
L&T successfully delivered all the 16 reactors ahead of schedule, including the last four despatched during the lockdown. Improvements such as use of innovative fixtures, process digitalisation, station-based concept, etc. were initiated by L&T to optimise the overall manufacturing cycle.
K9 VAJRA-T - INDIA
K9 Vajra-T- the 155 mm / 52 calibre tracked, self-propelled howitzer - is the latest and most sophisticated addition to the armoury of the Indian Army. It has strengthened India’s defence capabilities manifolds.
It is L&T Defence whom the Indian Government awarded the contract for supplying 100 of these sophisticated howitzers. The scope includes associated engineering support package covering spares, documentation, training, and Maintenance Transfer of Technology (MToT) to the Army base workshop to support the howitzer regiments throughout their life cycle.
L&T partnered South Korea’s Hanwha to adapt the well proven K9 Thunder to realize the Vajra variant and enable indigenous manufacturing by training a team of engineers and integration specialists. It subsequently turned this ambitious defence programme into a Make-in-India initiative by establishing a new greenfield manufacturing, integration, testing complex at Hazira in Gujarat.
L&T has indigenised the K9, right from making the prototype for user evaluation trials by indigenously developing fourteen critical systems, including Fire Control, Direct Fire, and Ammunition Handling.
K9-Vajra-T is also equipped with India specific modifications for desert conditions such as auxiliary power pack, air-conditioning, firefighting, and NBC protection.
Even during this COVID season, L&T has delivered several K9 Vajra-T to the Indian Army. Union defence secretary Dr Ajay Kumar digitally flagged off the 67th K9 on 1 Aug.
MEDIGADDA BARRAGE - TELANGANA
This barrage across the River Godavari, built by L&T in just two years, is part of the effort to turn Telangana into the seed hub of India. The 1.6 km barrage with a storage capacity of 16.17 TMC of water will irrigate thousands of hectares of land and also supply water to millions of people, including those living in Hyderabad.
The barrage is equipped with 85 Hydro Mechanical Radial Gates fixed between gigantic concrete piers that are 110 m in length, 4 m / 6 m in width and 25 m high.
The construction involved use of as much concrete that will be required to build seven Burj Khalifas, use of as much steel that will be required to construct 15 Eiffel Towers, and excavation of as much earth that will be needed for erecting six Pyramids of Giza!
Furthermore, during the construction, the L&T team set a world record by pouring 25,584 cubic metre concrete in just 72 hours. Year of completion: 2019.
WORLD’S TALLEST STATUE – GUJARAT
Hailed as an engineering marvel of modern times and listed by Time magazine amongst 100 Best Places to visit in the world, the Statue of Unity (SoU) is the tallest statue in the world at 182 m (597 ft). Built to honour the Iron Man of India, Sardar Vallabhbhai Patel, the statue was constructed by L&T in just 33 months. The entire statue is clad with 6,500+ macro and micro brass panels that sit on a concrete and steel superstructure.
Located at Kevadia in Gujarat, SoU is part of a grand development plan for the area featuring ‘Shrestha Bharath’ – a 3-star hotel of 52 rooms, bridges, and four-lane approach roads. Year of completion: 2018.
WORLD’S LARGEST CRICKET STADIUM – GUJARAT
L&T conceptualised, designed, and built the world’s largest cricket stadium at Motera in Ahmedabad. It can seat over one lakh spectators. Using the latest precast technologies, L&T created the sleek and elegant structure that is both aesthetically appealing and functionally ideal. It includes a clubhouse, a swimming pool to Olympic standards, an indoor cricket academy, presidential and special corporate boxes, and a podium level to give the spectators an uninterrupted viewing opportunity. Year of completion: 2020.
INDIA’S LARGEST SURVEILLANCE NETWORK - MUMBAI
Aimed to shore up Mumbai's defences against 26/11 like attacks and effective management of law and order, it is L&T that equipped the Maximum City with a third eye by installing the largest surveillance network in India. L&T designed, developed, implemented and now maintains nearly 10,000 CCTV cameras across 1,800 locations in Mumbai. The project includes three state-of-the-art Command & Control Centres, two Data Centres, a Vehicle Tracking System, Collaborative Monitoring, and Mobile Surveillance Systems.
The surveillance mechanism aids and fast-tracks investigations; helps in traffic management; detects, deters and thereby deals with criminal activities; monitors suspicious movements of people or vehicles; keeps a vigil on vital installations and public places; and aids in disaster management. Equipped with cutting-edge analytics and facial recognition, a state-of-the-art emergency response system has been integrated with the surveillance system for swifter and efficient response. Year of completion: 2017.
T2 - MUMBAI AIRPORT
Inspired by the dancing peacock, the picturesque T2 of Mumbai’s Chhatrapathi Shivaji International Airport constructed by L&T was recognised as the world’s best airport in 2017 by the Airports Council International. A brownfield complex, built in the middle of a fully functioning airport, it features a new passenger terminal of close to 4.5 lakh sq ft.
L&T’s scope of work also involved reconstruction and widening of 6.5 km runways; three parallel taxiways, 10 million sq ft of hard stands, aprons for wide-bodied aircraft and associated support buildings, systems and utilities. A 6-lane, 3.3 km elevated corridor connects the airport to the Western Express Highway and the 83.8 m tall ATC tower also incorporates the peacock in its architecture.
During the construction, L&T put to use the latest technologies like rubblisation, high-rise jaw crushers, hot tapping, carbon reinforced fibre technology. Year of completion: 2015.
SOUTH ASIA’S LARGEST AVIATION HUB – T3 DELHI
The Buildings & Factories vertical of L&T bagged the contract for building T3 of the Indira Gandhi International Airport in New Delhi, which now happens to be the largest aviation hub in South Asia. L&T completed the task in just 36 months, making T3 ready to handle 65+ million passengers per annum.
Standout features of the airport include a 4,430 m runway, a parallel taxiway, state-of-the-art airport systems such as airfield ground lighting, aviation fuel hydrant, satellite rescue & firefighting, visual docking & guidance, baggage handling systems, passenger boarding bridges, integrated airport IT and much more. Year of completion: 2010
The largest PPP metro project in the world with L&T having the majority stake, Hyderabad Metro features three lines spanning 69 km across the City of the Nawabs. It passes through the arterial roads of Hyderabad, connecting major offices, retail and residential areas. It has elevated world-class station buildings at approximately every kilometre.
Inter-modal integration connects the Hyderabad Metro to rail terminals, bus stations and the Multi-Modal Transport System (suburban rail) stations.While L&T’s Heavy Civil Infrastructure arm executed the civil works including viaducts, stations, and depots, the Railway arm executed the systems works including ballastless trackwork and overhead electrification.
The project has the second largest precast yard in Asia for viaducts. Year of completion: 2018-2020 in phases.
On bagging the contract from a joint venture led by Uttar Pradesh government, L&T began the construction of Lucknow Metro in 2014 and completed Phase-I - an 8.5 km stretch - in 2017, that is, in just about 36 months. This earned Lucknow Metro the status of the fastest-built metro network in India. Subsequently, L&T took up the construction of Phase-II – a 9.59-km elevated stretch having eight stations. This was completed in double-quick time. Year of completion: 2017-2018.
KATTUPALLI SHIPYARD - TAMIL NADU
Kattupalli Shipyard in Tamil Nadu, completely conceptualised, developed and designed inhouse by L&T, accommodates three major facilities: shipbuilding, port, and a modular fabrication facility. One of the largest shipyards in Asia, Kattupalli is the only shipyard that has a ship-lift. Having an annual production capacity of 4,65,000 tons, it is a major international destination for ship repair in South East Asia.
Executed under tough marine conditions, at a remote location (35 km off Chennai), its construction involved the transportation of 2.9 million+ tons of rock from quarries located 100 km away. Two-km approach trestles in the sea were also built as part of the project. Year of completion: 2012.
HYPERSONIC WIND TUNNEL SYSTEM
HWTS, a critical facility of national importance, is intended at simulation of test conditions, testing of models and aerodynamic studies for development of hypersonic vehicles and weapons. It is an enclosed pressure-vacuum free-jet-wind tunnel with 1.0 m nozzle exit diameter. It can generate air velocities of Mach 5, 6.5, 8, 10 and 12, and operates on a wide range of air temperature and pressure 346 to 1400 K and 10 to 100 bar, respectively.
In 2014, the DRDO awarded L&T a turnkey contract for design, engineering, manufacturing, procuring, supply, transportation, installation, commissioning and performance testing of the HWTS in 57 months. The project involved working on high-end technologies in multiple disciplines like thermal engineering, thermo-structural engineering, fluid mechanics, computational fluid dynamics, hydraulics, pneumatics, combustion engineering, refractories, heavy and precision manufacturing, electrical instrumentation and control.
All the complex systems and high precision components for the project were made by L&T and its partners here in India, and the import content was limited to less than 10% of the project value. L&T commissioned it within the deadline.
PINAKA MULTI ROCKET LAUNCHER
Pinaka Multiple Rocket Launcher System is the flagship rocket artillery system developed by L&T in association with the DRDO (ARDE, Pune). This state-of-the-art, all-weather, long-range fire artillery system is mounted on an 8 x 8 high mobility vehicle chassis. It employs the ‘shoot & scoot’ technique of firing at a target, and quickly moves away to avoid counter-battery fire from the enemy.
Pinaka is a proven weapon system. Each launcher carries 12 rockets housed in two pods and has a range of 40 km. The rockets have accuracy and consistency of 1.5% of its range (PE) and can be fired in single mode as well as in salvo mode under 44 seconds. Trials of extended range rockets are in progress. Pinaka has an indigenous content in excess of 70%. Between 2011 and 2019, L&T has supplied two regiments of Pinaka to the Indian Army.
INDIA’S FIRST SMART CITY – JAIPUR
L&T helped transform Jaipur into India's first Smart City with a host of solutions that include Wi-Fi hotspots, surveillance cameras, environmental sensors, parking information systems and remote kiosks with Facility Management Services. A unique feature that was introduced to benefit tourists is the Citizen Interactive Information Kiosks at convenient locations. The kiosks enable people to access vital information such as important places in the city, directions to reach and even get the required documents attested and cleared. Year of completion: 2016.
ITC ROYAL BENGAL – KOLKATA
ITC Royal Bengal – the recent most iconic hotel in Kolkata – has a distinctively sleek contemporary architectural design contrasting the rich historical essence of the City of Joy. Constructed by L&T, the 465-key hotel has a sprawling 16,400 sq ft column-less magnificent Grand Ballroom. The pre-function zones and outer courtyards attached to the ballroom together add approximately another 33,000 sq ft.
The most striking element about the hotel suites is their furnishings: Italian marble, timber floors, decorative ceilings, old-fashioned bedsides and a trunk-shaped minibar. Year of completion: 2019.
HEAVIEST HYDROCRACKING REACTOR – VIZAG
In 2017, the Visakh Refinery of Hindustan Petroleum Corporation Ltd awarded L&T Heavy Engineering the contract for two Hydrocracking Reactors for its Full Conversion Hydrocracker Unit (FCHCU) Modernisation Project. This was part of a brownfield expansion of the Visakhapatnam-based refinery. The scope included design, manufacture and transportation of the country’s heaviest 1,858 MT Hydrocracking Reactors along with UOP-designed internals from the L&T facility at Hazira. The FCHCU Reactors (55m L x 8.7m W x 7.8m H) were transported on a barge in March 2019 to the Hindustan Shipyard Ltd at Vizag and reached Visakh Refinery in April.
In the manufacture of these reactors, L&T employed the SAW process for welding heavy thick shells, and electrostatic strip cladding for the overlay in shell-heads and nozzles. This is yet another example of L&T’s contribution to the Make in India programme.
RAIL-LESS HELICOPTER TRAVERSING SYSTEM
RHTS is used to assist safe movement of helicopters from the landing area onboard naval ships to the hangar and vice versa. L&T manufactures and assembles RHTS at its Strategic Systems Complex at Talegaon near Pune. It has already delivered over 15 RHTSs to the Indian Navy and the Indian Coast Guard.
But the delivery of RHTS in April 2020 for Offshore Patrol Vessels of the Coast Guard proved to be a great learning experience as L&T Defence put to use a lot of innovative thought to assess and counter the challenges posed by COVID. The successful despatch amidst the nationwide lockdown received high appreciation from the Coast Guard.
HEAVY DROP PLATFORM
War or peace, maintaining uninterrupted supplies to the troops deployed at forward posts is crucial. Many of India’s forward posts are located in remote areas and are not easily accessible by road. In such conditions, maintaining the supplies is extremely challenging.
L&T, in association with the DRDO, has developed P7 Heavy Drop Platform System (HDPS) to para-drop military equipment and supplies using IL-76 Aircraft.
HDPS, built to carry up to 7 metric tons weight, facilitates quick transportation of military equipment like vehicles, weapons and essentials to target areas. Built using high-strength aluminium alloy, it can be dropped from an altitude of 500 m to 4000 m.
L&T is executing a contract for supply of 146 HDPS to the Indian Defence Services. As of date, it has delivered 24 HDPS and the balance is in progress.
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