Annexure to the Board Report | L&T Annual Report 2019-20
Total Page:16
File Type:pdf, Size:1020Kb
Annexure ‘A’ to the Board Report and EnPI reduction of CG moulding energy consumption. Information as required to be given under Section 134(3) zz Implemented Smart COMM Energy Management (m) read with Rule 8(3) of the Companies (Accounts) system at ASW & Digital Dashboard. Rules, 2014. zz Replacement of conventional light fittings with [A] CONSERVATION OF ENERGY: Solar lighting system in SSII, Open yard-5 and (i) Steps taken or impact on conservation of Grit blasting & painting areas at Production/ energy: Utility areas at EWL Kancheepuram factory and Kansbahal works. zz Implementation of LED lights in HE-Hazira campus and other project sites and Solar Pipes in zz Replacement of conventional MH Lamps and SG fabrication area. fluorescent tube lights by LED lamps in working areas at office and projects as well as for street zz Installation of an Off Grid Mini-Solar Power Plant for meeting the energy requirement of site & lights. workmen habitats at Ranchi Smart City Project. zz Installation of energy efficient water coolers and submersible pumps zz Installed Local Pre/ Post Weld Heat Treatment (PWHT) using PID Technology which ensures zz Replacing existing aged inefficient Split AC units uniform heating and reduction in energy with energy efficient units wastage. zz Utilization of Chiller for HVAC System – Campus zz Implemented the use of Metal Halide (400 Watt) FMD initiated and control the chiller running EOT Crane under bay lights with LED Lights. hour for HVAC need during holidays and extended working hours. zz Installed Energy efficient burners for Furnaces and pre heating. zz Initiative has been taken for replacement of Air-Cooled Chiller with Water Cooled Chiller. zz Usage of Electro Slag Strip Cladding (ESSC) IOT station and usage of Submerged Arc Welding zz Commissioned Air Compressor with Variable (SAW) IOT station which reduces welding process Speed Drive which reduced the air pressure from time per shell. 5.5 to 6.5 bar to 5.2 bar constant pressure. zz Installation of IE-2 Class Energy Motors (315 kW, zz Utilization of Solar Lights for lighting around 37 kW, 11 kW) for Flushing facility. compound walls. zz Retrofitting of VTL machine with 828 D energy zz Development of Panasonic make MIG Welding efficient system and retrofitting of Edge Bevelling Machines. machine with energy efficient drive mechanism. zz Development of APFC relay automation for zz Usage of PWHT & PBHT combined cycle in maintaining power factor and without Joint Furnace for HMEL bends and double layer single point Electrode - 8mm small Electrode. loading in Furnace to reduce the number of cycle. zz Implementation of timer in Vertical Brazing machine for CM90516 production and zz Replacing existing aged in efficient Pumps eliminating Corona process from pad printing. (Water, Sewage & HVAC ) with energy efficient. zz Installation of Ducting in Tool Programming Cell zz Development of Energy efficient screw chiller Department. with BMS system for 120T AC plant. zz Replacement of 90T Centralized Chiller Type Air zz Implemented EnPI monitoring of ETS Precision Conditioning with VRF type Air Conditioning. tool manufacturing energy consumption 81 ANNEXURE TO THE BOARD REPORT ANNUAL REPORT 2019-20 zz Replacement of Solar inverter with solar zz Adoption of digital tools such as Integrated generation. Vehicle Management System have led to fuel savings. zz Replacement of one chiller coil for improvement in efficiency of the chiller. (ii) Steps taken by the Company for utilizing alternate sources of energy: zz Successfully completed Bureau Veritas Surveillance audit Of ISO50001 Energy zz Shift towards usage of windmill power in the Management System of all 3 ASW ESP MFG. place of State Electricity Board at Kanchipuram campus. factory zz zz Reducing carbon footprint by replacing a portion Dedicated motor for oil cooling to reduce energy of cement with GGBS in the mix design at consumption Varsha Inner Harbour, Kochi Dry Dock, Bangalore zz Development of IE3 Class Motor for OTR Presses Metro Rail Limited, MTHL and MCRP. zz Use of Therminol Fluid in place of Steam heating zz Effective usage of Flyash in the mix design thus for 55” Tube Presses reducing the cement content at Ahmedabad Metro Rail Project and Kudankulam HTS zz Implemented 120w led luminaries instead of Project has reduced the carbon footprint of the 250w HPMH lamp in Shop floor and Energy structure. saved 3500 KWH / Annum. zz Installation of small LT power at temporary zz Implemented VFD drive in Line 1 De dusting and locations like bridge and structures where the energy saved 66000KWH/Annum. work duration is shorter. zz Rainwater harvesting implemented and the zz A dedicated energy monitoring cell is set up at water used for Fire hydrant sump. Energy saved HQ to explore technological upgrades and for 8900KWH /Annum 1400KL water saved in better monitoring and control. Sump. zz Installation of seven asphalt mix plants in zz Time based ON /OFF compressor controller RREC are technology ready for recycled asphalt implemented and Energy saved 9000KWH / production (RAP). Annum. zz The transmission tower manufacturing facilities zz Installing Solar panels on Rooftop. re-use galvanizing plant rinse water for pickling zz Solar Panels installed at project sites. acid preparation. zz Alternate usage of M-sand instead of Natural zz Zinc Recovery machines have been installed to Sand at all project sites has produced a recover zinc from zinc ash generated during considerable impact in conserving the natural galvanizing process. resource. zz Online monitoring of Gas, Electricity and Water zz Implementation of usage of alternative solution consumption is practised. of curing compound for all the vertical structures zz By installing gantry cranes, usage of hydra has in the projects. been reduced thereby saving requirement of zz Usage of the power source from the electricity High Speed Diesel. grid in the metro projects for Tunnel Boring zz Increased use of digital collaboration tools such machine operations. as Microsoft Teams and Virtual Inspections have zz Usage of PNG at DIAL project to power the Hot led to reduced travel thereby leading to less Mix Plant. carbon footprint. 82 (iii) Capital investment on energy conservation zz Implemented Acid level indicator with visual equipments: display in paintshop communication room to zz Use of High-Tension breakers maintenance monitor the HCL acid stock. (effective monitoring of power consumption) zz Implemented Advanced scada monitoring and data lodging system in paint shop Dryer for zz Transformer Oil servicing towards effective functioning & reduce heat losses. effective monitoring of Paint shop. zz Implemented Demand controller in EB panel zz Installation of Auto Cut off sensors at Vizag. to maintain the allotted demand for power zz Using the methodology of parallel work, both consumption monitoring & control. the tanks were made ready for HPT at the same zz Implemented VFD Drive with multi speed time. This methodology helped in re-usage of running of Blower in Line 1 De dusting and 50 Tons of fresh water which would have been Energy conservation is achieved. drained out otherwise. zz Implemented semi-automated STP plant with The measures taken have resulted in savings in cost of online monitoring (parameters like PH, Dissolved production, power consumption and processing time at Oxygen, Running hours, Flow rate) with SMS. all locations. zz Implemented the Online monitoring system [B] TECHNOLOGY ABSORPTION: for compressor Air consumption & Energy (i) Efforts made towards technology absorption: consumption. zz Development of capabilities in High-end Finite zz Development of Tandem Wagon traverser with Element Analysis including automation of Finite rack & pinion pusher drive, 10000 TPH C-Frame Element Model generation. stacker reclaimer and plant dedusting system including development of manual damper for zz Development of capability for multi-physics process plant. simulation in areas such as Fluid Structure Interaction. zz Development of PCR Column Type Hydraulic Tire Curing Press, Column Type V orientation zz Advanced manufacturing simulation technology Hydraulic Tire Curing Press, 1100 T Bladder for 3D analysis of multi-layer weld overlay Curing Press – BATO, OTR / Ultra OTR GT Lube distortion prediction. spraying machine. zz Design development for Multi-tubular Reactor zz Implementation of cured tyre handling Systems and methodology for piping flexibility Automation system, load control for 84” cracker analysis of complex Refinery systems. Mill through Digital load cell arrangement, OTR Presses for Tulip Mold and OTR – Radial II Stage zz Development of Chemical process technology in the area of residue up-gradation (Petroleum Tire building Refining) and Coal/Petcoke Gasification. zz Innovated new MCCBs, new variants of ACBs, Contactors, Isolators and Panel solutions for new zz Developed a 3D Concrete Printing which has the emerging market segments like Solar & Railways, potential to radically redefine the way concrete new state of art motor protection relays, buildings are constructed. controllers for Power Quality solution, Intelligent zz Developed Internal Painting Robot for Products for Agriculture segments etc construction application and also at AP Housing zz Implemented additional Pendent type Remote projects. for Robomaster Fixed bender manual operation zz Developed Acid concentration meter with auto to increase the Human safety. pump operation in Derusting tank to reduce the zz In Manual Cutting Machine implemented scale acid consumption and spent acid