Converting the source into a resource

Water is the elixir of life. We drink it, we nurture our crops L&T – Fueling Industrial Growth with it, we generate electricity with it and we are stretching our supplies to satisfy all the world’s needs… As India’s largest engineering, technology, construction and manufacturing organization, Larsen & Toubro (L&T), has As the world’s population continues to grow, dams, aqueducts been at the forefront in creating infrastructure for a water- and other kinds of reliable water infrastructure will have to surplus, energy-secure and green world through its dedicated be built in large scale to meet the ever increasing demand for business vertical –Water & Renewable Energy Independent water, particularly in the developing countries. The fastest Company (W&RE IC). and most economical solution to mitigate the water crisis is L&T Construction, the construction arm of L&T, is India’s to enhance the productive and efficient use of water. largest construction organization and ranked 28th globally among the top 225 contractors by Engineering News With greater realization and recognition for importance of Record in 2013. The Company’s capabilities span the entire water, there has been an increasingly sharper focus on its gamut of construction - civil, mechanical, electrical and economical use and better management to meet the growing instrumentation engineering and its services extend to all demand across sectors. core sector industries and infrastructure projects. Supply, distribution, clarification and desalination projects constitute The industrial and agricultural sector which is closely a vital thrust area for L&T Construction in the water sector. linked to the economy consumes more than 50 percent of The Industrial Water Supply BU (IWS BU) of W&RE IC has water and this need is bound to increase substantially with a proven track record of offering total solutions right from the rapid growth of economies. Therefore an efficient water concept to commissioning of raw water transmission by management system calls adopting specialized technologies constructing intake structures tapping water from major with comprehensive planning and management of water. rivers, setting up structures and systems for pre and post Sagardighi Water Pre Treatment Plant in West Bengal

Air vessels installed as a part of the Surge Protection System treatment plants for various industries such as power, steel, petrochemical, refineries, textile/dying and leather; create infrastructure and pipeline network for distribution of water to industrial belts and treated water from effluent/sewage/ waste water for reuse. IWS BU also offers design and construction services for setting up large water projects including comprehensive lift irrigation projects in rural areas, canal systems to bring water to metros and second-tier cities and river front development projects to sustain good water flow and levels.

Effluent Treatment Plant for Sinar Mas Pulp and Paper Plant in Maharashtra Two stage biological treatment in a Sewage Treatment Plant 40 MLD Effluent Treatment Plant at Ankleswhar for Bharuch Eco Aqua Infrastructure Limited (A Subsidary of GIDC Ltd.)

Conventional Pre-Treatment Waste Water & Effluent Treatment

L&T’s expertise in the construction of Pre-Treatment Units for L&T has proven expertise in setting up Effluent Treatment Industrial Raw Water is backed by its in-house capability to Plants (ETP) and Common Effluent Treatment Plants (CETP) design and install equipment such as Lamella Clarifier, Tube using advanced technologies like DAF, ACT, SBR, MBR, Settler and High Rate Solid- Contact Reactor Clarifier as per ASP, WAO, UF & RO for the treatment of effluent from the customer’s requirements. various industries such as petrochemical and refineries, power plants, steel, tanneries etc. L&T has a skillful edge Conventional Demineralization in constructing treatment plants that meets the stringent quality standards of the industry. Water demineralizing treatment plants set up by L&T help in removing salt deposits, minerals, nitrate and other hardness Sewage Recycling Plants ions from water making it palatable for domestic and industrial use. Sewage is a resource that can be recycled. Sources suggest that over 60% of the sewage generated in the country goes Advanced Demineralization UF-RO-DM untreated and the government is earnestly sourcing for industries that can buy the sewage and treat it for their L&T has also forayed into advanced technologies apart from various industrial purposes. conventional demineralization plants using anion and cation exchangers. L&T offers demineralization plants with Sewage Recycling Plants is yet another specialised area Ultrafiltration, Reverse Osmosis and mixed-bed Exchangers/ of operation in which L&T has a major presence. Several Electro de-ionization to provide consistent water quality complex treatment projects have been executed using with lesser usage of chemicals and construction resources. conventional to the latest UASB technology to remove inorganic and organic constituents from influent sewage. Microfiltration and Ultrafiltration Also, L&T has the capability to execute the most complex L&T also helps in removing the suspended solids, bacteria underground drainage network for large towns and through Microfiltration (MF) and Ultrafiltration (UF) with cities. As a total solution provider, L&T has adopted latest physical sieving separation process. Besides separation, this technologies like Micro Tunnelling for waste water network process reduces the turbidity and completes the effluent and water treatment facilities with least footprint and energy treatment process for the conventional treatment plant or act consumption. as a pre-treatment process for reverse osmosis. Industrial Water Systems A Leader in Water Solutions

The potential and growth of major industrial centers including Special Economic Zones (SEZ) in metros and second-tier cities are dependent on industrial water supply schemes delivered in a commercial format.

As the leader in developing and providing water infrastructure for the country, L&T has time and again met this demand and played a significant role in this segment by executing many steadfast industrial water supply projects.

Zero Liquid Discharge Plants filters, chemical dosing like scale inhibitors, support a trouble free cooling tower operation for the designed cycle of concentration for power plants. L&T’s spectrum of services includes setting up Zero Liquid Discharge systems for industrial plants using Water circulatory system for corex most advanced treatment technologies module at Jindal Vijayanagar Steel Plant, Microfiltration and Ultrafiltration Toranagallu, Karnataka to eliminate end effluent or discharge and effectively reuse their wastewater effluent.

Circulating Water Chemical Treatment

Circulating water is one of the important systems that affects the availability and operational efficiency of cooling towers. L&T’s expertise in setting up side stream

Conventional Pre-Treatment Zero Liquid Discharge Plants Advanced Demineralization Landmark Industrial Water Supply Schemes

Intake well and pumphouse with connecting bridge at for Vizag Industrial Water Supply

Sagardighi Plant Water System for West Bengal Power WTP IOCL Panipat for Indian Oil Corporation Limited Development Corporation Limited 120 MLD capacity with 40,000 cum of underground filter A turnkey Contract for the execution of 120 MLD Pre water reservoir and 4 High Rate Solid-contact Reactor Treatment Plant. 700 mm Dia MS Pipeline of 9 km length, Clarifier of 34m dia 3×80 cum/hr De-Mineralization Plant and 4 Vertical Turbine CETP Bharuch Ankleshwar for Gujarat Industrial Pumps to transfer Water at the rate of 2200 cum/hr Development Corporation Utkal Alumina Odisha for Utkal Alumina International 6 Clarifiers of 26mdia and 2 Clarifiers of 35m & 55m each.3 Limited Clarifiers of thickener dia-12m, 18m & 17m An EPC project involving laying of 700mm dia MS Pipeline WSS– Narayanpura Dam to Jindal Steel Plant for JSW for a length of 13 km and 625 cum/hr capacity Vertical Steel Limited Turbine Pumps 50 MGD WSS from Narayanpura Dam to JSW Steel Plant DVC Mejia West Bengal for Damodar Valley Corporation using 174 km of 1600 mm diameter Raw Water Mains 4X800 NB Siphon pipe lines and Vacuum pump and 5 MLD Industrial Water Supply of Jaypee Allahabad for Demineralization Plant JaiPrakash Associates ETP BPCL Kochi for Bharat Petroleum Corporation Diaphragm Wall Enclosure for Intake structure; Steel Pipes of Limited 1700 mm diameter running for 21.5 kms.VT Pumps– 6250 First of its kind screw pumps to transfer effluent with a Cum/Hr with 700 KW Motors and HSC Pumps– 3365 Cum/ capacity of 75 cum/hr Hr with 700 KW Motors Vizag Industrial Water Supply a first of its kind Water Supply Project in Vizag Municipal Corporation proposed the diversion of Godavari waters and the Andhra Pradesh Industrial Infrastructure Corporation (APIIC) implemented the Visakhapatnam Industrial Water Supply Project (VIWSP) on a commercial format through the Public – Private Partnership route. Special purpose vehicle in the name of Vizag Industrial Water Supply Company (VIWSCO) was formed for executing this project on a Build Own Operate and Transfer (BOOT) basis.

L&T, as an EPC player, built the infrastructure that transmits water from Godavari through the Yeleru canal to meet the requirements of Visakhapatnam Steel Plant, NTPC and other industries and also succors the drinking water needs of Vizag city.

The major works involved in this project: • 22m dia Intake well • 432 MLD capacity Intake well • 2600 mm dia MS pipeline for a distance of 57 km • 8750 KW Pumping Station • Air Vessels to control surge • 5 Vertical Turbine Pumps of 5650 cum/hr capacity

Demineralization plant for Inside view of the pumphouse Damodar Valley Corporation, Mejia in West Bengal

Jindal Water Supply Project Industrial Water Supply Scheme for Jaypee, Allahabad Earthen dam cum spillway works across river Kurket in Chhattisgarh

Lift Irrigation Projects Canal Systems In line with the country’s mission of boosting agricultural The Canal Systems in India are largely unlined and thus growth, L&T has executed many hallmark Lift irrigation substantial water transmission to the destination is becoming project schemes which not only pump water from the source scanty due to loss of water by seepage. L&T has, in the past to the main delivery chambers but also distributes it to decade, excelled in this area for many projects by design the field of beneficiaries by means of a suitable and proper and construction of fool-proof lining systems for new canal distribution channel by means of pipelines. and rehabilitation of existing canal and thereby saving the country’s precious water. Services offered include design and construction of intake wells, overhead tanks, pumping stations, distribution River Front Development Systems channels & pipelines and delivery cisterns covering civil, L&T offers innovative solutions to the challenges of managing mechanical, electrical and instrumentation works. a river in a rapidly growing urban metropolis. River Front Development projects significantly improve the spatial Barrages structure and habitat conditions of the river and adjoining In order to regulate and stabilize river water elevation areas. upstream for use in irrigation and other systems, L&T has constructed barrages in India across different rivers/states. Flood Bank Protection Systems The barrage also helps in diverting water and raises the water High levels of bank erosion drastically change the appearance level only a few feet thus preventing flooding in high density of rivers and also the water flow waves caused by wind or rain prone areas. boat traffic can all scour the riverbanks, washing the earth away. L&T, in line with its vision of sustainable development, executes projects for protection of river banks and desilting which create supplementary space for storing water during inundation apart from establishing a new habitat for nature. Large Water Systems L&T’s IWS BU possess the domain knowledge and expertise to execute lift irrigation project schemes on EPC basis covering every spectrum of work – from transmitting bulk water through large dia pipeline network and canals to complete electro-mechanical and instrumentation works with SCADA system installations.

Alisagar Lift Irrigation Project Kandaleru Poondi Canal

Escape regulators on the Sai Ganga approach canal River Front Development Systems Landmark Large Water Schemes

Overhead tank and pumping station for Ali Sagar Lift Irrigation Scheme in Andhra Pradesh

Halyal Lift Irrigation Scheme in Karnataka Halyal Lift Irrigation Scheme for Karnataka Neeravari Nigam Limited 40 m long intake Transition Canal using 4 VT Pumps with a capacity of more than 10,000 cum/hr. each

GNSS Lift Irrigation Scheme for Government of Andhra Pradesh Investigation, Design, Supply and Erection of lift system with electrical & mechanical components using 4 concrete volute pumps

Shiggaon Lift Irrigation Scheme for Karnataka Neeravari Nigam Limited

160 m intake canal and 21 m Transition canal using 4 VT Shiggaon Lift Irrigation Scheme in Karnataka Pumps of more than 2500 HP to lift water for a head of more than 90 m.MS raising main of 2000 mm dia for more than 5 km length

Vedadri Kanchala Lift Irrigation Scheme for Government of Andhra Pradesh 2 VT Pumps of discharge capacity of more than 50 cusecs to lift water over 70 m head using 1600 mm dia MS pipes for more than 1000 m length

Ramthal Lift Irrigation Scheme for Krishna BhagyaJal Nigam Limited Execution of 2600 mm dia MS Pipe and 5 VT Pumps of discharge capacity of more than 9000 cum/hr. Ali Sagar Lift Irrigation Scheme Irrigation water to 55,000 acres of land

Through a turnkey contract, L&T executed the Ali Sagar Lift Irrigation Scheme on the right bank of River Godavari near Kosli Village in Nizamabad District of Andhra Pradesh to lift 720 cusecs of water in three stages to facilitate irrigation.

The major works involved in this project:

• Construction of an intake pump house along with an approach channel • Three intermediate pumping stations, 12 vertical turbine pumps: 29000 kW, MS Pumping mains: 1800 dia - 22.4 Km, 1600 dia - 6.12 Km • Associated electro-mechanical works including SCADA • Repairs & Rehabilitation works of Nizamsagar Canal

Approach Canal at GNSS Lift Irrigation Scheme Pumps with heavy duty motors Delivery for in Andhra Pradesh Ali Sagar Lift Irrigation Scheme

Ramthal lift irrigation scheme Canal at Ali Sagar Lift Irrigation Scheme Sai Ganga approach canal for water supply to city

Improving Efficiency Flawless Project Management To decrease UFW (Unaccounted for Water) and increase the At L&T Construction, the impetus for creating efficient and flow in service mains and many connections in the major reliable water infrastructure is well supported by a multi- towns and cities, several Leak Detection and Rectification disciplinary team of professionals who cater to turnkey works have been undertaken by L&T. This unique technique project requirements through meticulous planning and has several advantages: minimizing the loss of precious effective project management. IWS BU leverages on its drinking water, avoiding contamination, maintaining stable domain expertise for providing suitable process systems pressure and improving tail end supply. / schemes to meet varying and ever-increasing customer requirements.

Typical Motor controller center panels 43.50 MLD Sewage Treatment Plant at Kavoor in Mangalore Sai Ganga Canal Water to Chennai

The Sri Sathya Sai Water Supply project executed by L&T is a landmark project in terms of magnitude, diversity and coverage. Millions of people are benefitted through this massive water supply project of national importance. As a turnkey contractor for Sri Sathya Sai Central Trust, L&T executed the Telugu Ganga /Sai Ganga Canal project to provide drinking water to the people of Chennai city. The total length of the Sai Ganga Canal from to Poondi reservoir is 200km.

The major works involved in this project were:

• Improvements at Kandaleru Dam involved rough stone revetment of 70,000 cu.m • Grouting works at Kandaleru Reservoir included construction of a cutoff wall up to a depth of 75.00 m • Sai Ganga Approach Channel • Concrete Lining in Sai Ganga Canal at vulnerable locations • Construction of Escapes & Regulators at three different locations • Total canal system of 3,00,000 acres with a canal discharge • Paver Concrete of more than 1,00,000 cum for canal lining

Intake well with approach bridge for Sri Sathya Sai Drinking Water Supply Project (SSSDWSP) in East and West Godavari Districts of Andhra Pradesh SCADA & Leakage Control System of Water Transmission Network in Muscat

Futuristic Engineering & Design Solutions A well-equipped design facility – Engineering Design and Advanced technologies implemented by L&T for the Research Centre (EDRC) - at Chennai, provides a broad Industrial sector include: spectrum of design and engineering services, ranging from concept to commissioning of water projects. EDRC provides • Water Treatment time bound and cost effective system design, basic and detail - High rates solids contact clarifier engineering in process, hydraulics, civil and structural, - Tube settler geotechnical, mechanical, electrical and instrumentation - Rapid Gravity Filter under a single roof for water supply and distribution. - Reverse Osmosis / Desalination • Industrial Water Treatment EDRC is also backed up by an exclusive Construction - De-Mineralization Methods Planning Cell (CMPC) which complements - Reactor Clarifier execution of water projects by providing value-added solutions aimed at cost effective construction methods by • Sewage Treatment incorporating latest trends in construction technology. EDRC - Upflow Anaerobic Sludge Blanket (UASB) is ISO 9001:2008 certified and strictly adheres to its quality - Extended Aeration policy and practices. L&T has the expertise and capability - Aeration that cover every aspect of executing water infrastructure • Effluent Treatment projects – design, detailed engineering, procurement, project - Physcio Chemical Process management and top-class execution with high quality and - Aeration Process safety standards. Committed to Quality and Safety L&T is committed to continual improvement of its business standards in pursuit of excellence in Environmental, Health by implementing globally accepted standards of Quality and and Safety (EHS) management practices, as an integral part Safety Management across all its businesses and operations. of its total quality management system. L&T’s corporate Effective processes are developed to deliver high quality management has enunciated policies that emphasize EHS products and services that will meet or exceed customers’ through its structured and well defined procedures at every needs. L&T seeks to go beyond compliance with regulatory stage of construction that protect the environment. Supervisory Control and Data Acquisition(SCADA) L&T has the end-to-end capability to design and install Supervisory Control and Data Acquisition(SCADA) for different Municipal Corporations of the States and helps monitor and improve the water supply distribution system through detecting, arresting and reducing leakages.

The SCADA systems installed by L&T provides Municipal Authorities complete information on water parameters such as flow and pressure of pipeline laid throughout network from the main control centre. Geographical Information System (GIS), which is extensively used to map the distribution system enables the pictorial views and also finds the shortest route to manage during disasters. L&T has the comprehensive capability and experience in executing residential engineering, supply, delivery, erection, testing and commissioning of instrumentation, telemetry and SCADA systems including construction of all associated infrastructure and operations & maintenance. The track record of successful projects implemented in different States reaffirms L&T’s commitment in preserving and managing precious water resource. Larsen & Toubro, Construction Industrial Water Supply Business Unit 5th Floor, C-Wing, TC-3, Tower-B, Mount Poonamallee Road Manapakkam, P.B.No.979, Chennai - 600 089, INDIA Tel: 044-2270 4904, 2252 8000 Fax: 044-2270 4949 www.Lntecc.com