SUMMER INTERNSHIP 2012 @LARSEN AND TOUBRO CONSTRUCTION (ECC DIVISION)10 July 2012 – 25 August 2012 Kundan Giri
: L & T AT A GLANCE : Founded in 1938 by two Danish engineers, Henning Holck-Larsen and Soren Kristian Toubro One of the largest engineering and construction company in India. L&T ranks 40 in the top 225 global contractors 2008 data, improved from 47th (2007) & 54th (2006).
L & T BUSINESSES : Projects Products Services Construction Electrical & IT & Electronics Technology E&C Projects Services Machinery & Heavy Engg. Industrial Financial Products Services
Transport Infrastructure & WaterBuildings & Factories ECCD Process
Project Highlights Projective objective: erection of ICT (interconnecting transformer)in power grid No. of transformers : 13 Transformer capacity : 765/400kv Unit weight of each transformer : 209 MT Transformer’s make : TBEA Shenyang(chinese)
Project SynopsisName of the project Erection of 765/400 kv ICT (Interconnecting transformers)Client Power grid Corporation of India (PGCIL)Project Manager Mr. SNEHASHISH DEBNATHSite Engineer Mr. Jasmeet SinghChief Electrical Engineer Mr. Tushar kumarTransformers make TBEA Shenyang(chinese)/500mva eachQ.S./Cost Estimator Padghams SwettLEEDS Certification Surmount Energy Solutions Pvt Ltd.Type of Contract TenderContract Value 85 CroreContract Duration 11 Months. (8+ 3)Contractual Start (LOI)Date 9th dec 2011Contractual Completion 8th nov 2012DateDLP/Maintenance Period 1 Year
SOME FEATURES OF PROJECT • Project Office, Safety hall, Clients Office etc is setup on MMRDA Plot besides site. Infrastructure Setup • Infrastructure Setup ( Labour Proposed Site Sheds , Batching Plant , etc ) would be arranged on land provided by Client.
PROJECT CHALLENGESTight Project Schedule.Space ConstraintHigher Volume of Work within Stipulated time.Mobilization of Transformers weighing 209 MT Mobilization of skilled Manpower Place for transformer
CONSTRUCTION METHODOLOGY – TYPICAL FORMWORK SYSTEMThe whole projectcan be described infollowing manner :• Mobilization of transformer in parts from import site to construction site• Erection of proper vibration shielding base at the site of construction
• Reassembly of parts of transformers at the site• Unloading and loading of transformers using 2x100 MT hydraulic jacks• Fixing the transformers using concrete• Connection of cooling lines, transmission lines, grid maintenance lines• Filling of coolant and test run using gen- sets.