Oct - Dec 2009 • Vol. No. 32 Issue No. 2 • - L&T Construction

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Coal Handling Plant for 2x210 MW Bakreswar Thermal Power Plant nd est Bengal Power Development The 2 stage of the power plant project includes Corporation Ltd (WBPDCL), a state- construction of a new Coal Handling Plant (CHP) Wowned premier power utility body - has undertaken three thermal power plant projects simultaneously at Bakreswar and two other places. The present capacity of Bakreswar Thermal Power plant (BKTPP) has been augmented designed to cater to the requirement of coal for not only the two new units of 210 MW each but also for the 500 MW unit – which is planned for future. nd by two additional units of 210 MW each in the 2 The contract for execution of the new coal handling stage. The Bakreswar Thermal Power plant project facility for Unit 4 & 5 of BKTPP was awarded to L&T for is the only project of WBPDCL which has been Rs. 1346.40 million in December 2004 on a turnkey financed with assistance from Japan Bank for basis after undergoing a stiff International International Cooperation (JBIC) and from the Competitive Bidding (ICB) procedure and evaluated point of view of efficiency and performance, the by the Client’s International and Indian consultants. Bakreswar Thermal Power plant is the “Benchmark” power station of WBPDCL and recognized as one of “The Star Performer” among all the power stations in India. Project synopsis Notification for pre-qualification of Bidders was published in early 2004 and L&T was among the three short listed bidders qualified to quote for the Overall view of the power plant showing the complex coal handling plant
DS SYSTEM MOUNTED ON P/F CARRIAGE (TYP) INMOTION WEIGH BRIDGE CONTROL ROOMSAC IWB RG.-8 RPG.-8 VF-1 VF-2 RG.-9 RPG.-9 CONV.111A CONV.111B TRACK HOPPER-2 PF-5 PF-6 CONV.-101A PF-7 PF-8 CONV.-101B V DSSWPWSA SP101 SP102 SP103 SP104 Flow Diagram TP-101 FG-128 URH-101 URH-102 (RECLAIM HOPPER) (RECLAIM HOPPER) DSSWPWSA V TRACK HOPPER SHED UTP-108 PW SW DS V SA RG.-8 RPG.-8 V DSSWPWSA VF-1 VF-2 SP107 SP109 SP111 SP108 SP110 SP112 RG.-9 RPG.-9 V DSSWPWSA MCC ROOM CONT. ROOM V SAC CABLE TRANSFORMER BATTERY VAULT ROOM ROOM CONV.-102A BW-1 CONV.-102B BW-2 SP105 SP106 PUMP HOUSE-1/ COMPRESSOR ROOM S/R DS UTP-109 FG-123 SP115 SP116 FG-124 CONV. 114 SP111A SP112A PH-101 CRUSHED COAL STOCK PILE CONV.-113 CONV. 112A CONV. 112B UTP-6 (EXIST.) CONV.-8A (EXISTING) CONV.-8B (EXISTING) FG-121 FG-122 TP-102 FG-101 SP117 SP121 SP118 DS SP122 FG-126 FG-125 FG-127 V DSSWPWSA TRACK HOPPER SUB-STATION # 6 B V EXISTING DS CHUTE (BY L&T) SP119 SP120 TP-107 (NOT IN L&T SCOPE) ILMS-103 CSU DESWPWSA ILMS-104 C MD-1 MD-2 DSSWPWSA C BW-3 BW-4 FG-102 CONV.-103A CONV.-103B S/R YARD CONV.110 CRUSHED COAL STOCK PILE PH-102 GALLERY (BY L&T) CONV.109A CONV.109B S/R MCC ROOM CONT. ROOM COMPRESSOR ROOM V SAC PUMP HOUSE-3 CABLE TRAFO. BATTERY VAULT ROOM ROOM CHP SUB-STATION # 5 BUNKER FLOOR MCC ROOM CABLE VAULT B B B CONV.108B CONV.108A MT-102 RAW COAL BUNKERS UUNIT-5 RAW COAL BUNKERS UUNIT-4 rd Coal Handling Plant Package – the 3 most critical & the Track Hopper. The coal rake consists special major package in a thermal power plant. bottom discharge wagons. Coal of (-) 300mm size can be unloaded automatically while in An independent coal handling plant consisting of one slow motion or in stationary condition onto the track hopper of 4000 t holding capacity, 1600 TPH RCC Track Hopper using compressed air double conveyor stream along with paddle feeders, crusher house, trippers etc and 1 no. 1600 TPH locking/ unlocking system. stacker reclaimer with associated 1600 TPH Four paddle feeders, each 800 TPH rated conveyors were proposed to meet the coal capacity are installed at the bottom of Track requirement of Stage II expansion. The new CHP has Hopper for scooping the coal from track an interconnection provision with the existing CHP. hopper and to feed coal on to the underground The first stream of the new CHP was commissioned conveyors nd in December 2007 and the 2 stream was also Uncrushed coal are taken to Crusher house made ready in March 2008 for coal conveying upto Boiler bunkers. The Performance Guarantee test for the plant was successfully completed in March 2009 after the generating units were commissioned by other agencies. wherein the coal passes through a set of dedicated roller screens and ring granulator type crushers (each 1000 tph). Both the screened coal below 20mm size and crusher coal (-) 20mm size are discharged onto Coal is transported through railway wagons reversible belt feeder. Reversible belt from mines to site and unloaded at CHP. Empty feeders in turn will feed stacker reclaimer wagons are taken back to coal mines for further (through yard conveyor) or other conveyors reloading through the escape route provision in leading to bunker units. TP-106 FG-119 FG-120 V DSSWPWSA VMS CR-7 CONV.-7A (EXISTING) FG-117 FG-118 DESWPWSA RG-7 RPG-7 RS-7 SP113 SP114 UCRUSHER HOUSE-2 ILMS-102 RG-6 RPG-6 RS-6 DESWPWSA CONV.-107A MT-101 BUNKER SEALING ARRANGEMENT CR-5 CR-6 RBF-102 RBF-101 CONV.-107B RS-5 ILMS-101 RG-5 RG-4 RPG-5 RPG-4 RS-4 FG-104 FG-103 B B TP-105 CR-4 FG-113 FG-114 FG-115 FG-116 DSSWPWSA MCC ROOM CONT. ROOM V SAC CABLE TRAFO. BATTERY VAULT ROOM ROOM C MAIN SUB-STATION # 4A/ EL CHP CONTROL ROOM PUMP HOUSE-2/ COMPRESSOR ROOM CONV.-106B CONV.-106A MT-102 CONV. 104A CONV. 104B CONV. 10A (EXISTING) CONV. 10B (EXISTING) B FG-107 TP-103 DSSWPWSA DESWPWSA FG-105 FG-108 FG-106 MT-101 BUNKER SEALING ARRANGEMENT CONV. 105A CONV. 105B TP-5 (EXISTING) B CONV.-6A(EXIST.) CONV.-6B(EXIST.) TP-104 FG-111 FG-109 FG-112 FG-110 DSSWPWSA 29 BLIND FLANGE CONV. FOR FUTURE ECC Concord Oct-Dec 09
Page 1 and 2: Oct - Dec 2009 • Vol. No. 32 •
Page 3 and 4: The Power of Binary or over six dec
Page 5 and 6: The office master The presentations
Page 7 and 8: Amphitheatre of 3400 sq. m area for
Page 9 and 10: L&T Brings IT to Vijayawada ocated
Page 11 and 12: In order to reduce operational cost
Page 13 and 14: object of design. It is for the des
Page 15 and 16: Double glazing Landscaping between
Page 17 and 18: 11, 2006 and the construction was t
Page 19 and 20: Aesthetically designed toll plaza i
Page 21 and 22: Section of the 56 km long pipeline
Page 23 and 24: Construction of intake Grid Sub Sta
Page 25 and 26: Raw water receiving cum distributio
Page 27: Sludge treatment Clarifier sludge s
Page 31 and 32: Stacker reclaimer Stacker Reclaimer
Page 33 and 34: Interior view of crusher house The
Page 35 and 36: etween these two CHPs. The CHP for
Page 37 and 38: stock pile. The center-to-center di
Page 39 and 40: thereby helping the country realize
Page 41 and 42: Apricot Towers at Silicon Oasis of
Page 43 and 44: 400/220 kV Ranchi Substation “We
Page 45 and 46: Two different views of the substati
Page 47 and 48: Electrical Mechanised cable laying
Page 49 and 50: One Unit Saved is One Unit Produced
Page 51 and 52: K KALEIDOSCOPE INAUGURATIONS L&T Al
Page 53 and 54: 300tph crusher works inaugurated at
Page 55 and 56: K KALEIDOSCOPE N E W O R D E R S Rs
Page 57 and 58: K KALEIDOSCOPE E V E N T S Vendor M
Page 59 and 60: Ahmedabad : A similar customer meet
Page 61 and 62: L&T’s Second Corporate Sustainabi
Page 63 and 64: Free Eye Screening Camp Mr. K.V. Ra
Page 65 and 66: Outstanding Concrete Structure Awar
Page 67 and 68: L&T wins NDTV Profit Business Leade
Page 69 and 70: L&T bags EuroFinance Award for Corp
Page 71 and 72: Mr. K.V. Rangaswami at the Forbes A

Oct - Dec 2009 • Vol. No. 32 Issue No. 2 • - L&T Construction

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