DRILLING, FIXING AND COMMISSIONING OF DEEP BORE WELLS ALONG WITH SUPPLY OF COMPLETE FITTINGS INCLUDING SUBMERSIBLE PUMPS AND ELECTRICALS FOR COLONY WATER SUPPLY AT BARAGOLAI AND LEDO TIRAP COLLIERIES OF NORTH EASTERN COALFIELDS,COAL INDIA LIMITED

Amount

PREPARATORY WORK FOR CARRYING OUT DRILLING WORK INCLUDING SURFACE DRESSING, CLEANING OF VICINITY OF BOREHOLE POINT, EARTH WORK IN EXCAVATION FOR MAKING PITS / TRENCHES AND CHANNELS ETC., AS PER SITE CONDITIONS

COST OF MOVEMENT OF RIGS, ACCESSORIES AND OTHER ANCILLIARY EQUIPMENTS, MATERIALS AND REMOVING THE SAME AFTER COMPLETION INCLUDING TRANSPORTATION AND CARRYING

BORING / DRILLING BORE WELL OF REQUIRED DIA FOR CASING /STRAINER PIPE, BY SUITABLE METHOD PRESCRIBED IN IS: 2800[PART I] INCLUDING COLLECTING SAMPLES FROM DIFFERENT STRATA, PREPARING AND SUBMITTING STRATA CHART/BORE LOG, INCLUDING HIRE AND RUNNING CHARGES OF ALL EQUIPMENTS, TOOLS, PLANTS AND MACHINERIES REQUIRED FOR THE JOB ALL COMPLETE AS PER DIRECTION OF ENGINEER IN CHARGE BEYOND 90 MTR AND UPTO 150 MTR DEPTH BELOW GROUND LEVEL ( ROCKY STRATA INCLUDIN BOULDERS)

350 MM DIA

SUPPLYING,FILLING, SPREADING AND LEVELING STONE BOULDERS OF SIZE 5 cm to 20cm IN THE RECHARGE PIT IN THE REQUIRED THICKNESS FOR ALL LEADS AND LIFTS ALL COMPLETE AS PER DIRECTION OF ENGINEER - IN - CHARGE [4m x 4m x 1m = 16 cu.m]

SUPPLYING,FILLING, SPREADING AND LEVELING GRAVEL OF SIZE 5 mm to 10mm IN THE RECHARGE PIT OVER THE EXISTING LAYER OF BOULDERS IN REQUIRED THICKNESS, FOR ALL LEADS AND LIFTS ALL COMPLETE AS PER DIRECTION OF ENGINEER - IN - CHARGE [4m x 4m x 1 m = 16cu.m]

SUPPLYING,FILLING, SPREADING AND LEVELING COARSE SAND OF SIZE 1.5 mm to 2 mm IN THE RECHARGE PIT IN REQUIRED THICKNESS, OVER GRAVEL LAYER,FOR ALL LEADS AND LIFTS ALL COMPLETE AS PER DIRECTION OF ENGINEER - IN - CHARGE [4m x 4m x 1 m = 16 cu.m]

SUPPLYING,ASSEMBLING,LOWERING AND FIXING IN VERTICAL POSITION IN BORE WELL, ERW (ELECTRIC RESISTANCE WELDED) FE 410 MS SCREWED AND SOCKETED / PLAIN ENDED CASING PIPES OF REQD DIA, CONFORMING TO IS 4270, OF REPUTED AND APPROVED MAKE, INCLUDING PAINTED WITH OUTSIDE SURFACE WITH TWO COATS OF ANTICORROSIVE PAINTS OF APPROVED BRAND AND MANUFACTURE, INCLUDING HIRE AND LABOUR CHARGES, FITTING AND ACCESSORIES, ALL COMPLETE, FOR ALL DEPTHS, AS PER DIRECTION OF ENGINEER IN CHARGE

150 mm NOMINAL SIZE DIA HAVING MINIMUM WALL THICKNESS 5.00 mm

200 mm NOMINAL SIZE DIA HAVING MINIMUM WALL THICKNESS 5.40 mm

DEVELOPMENT OF TUBE WELL IN ACCORDANCE WITH IS: 2800(PART I) AND IS:11189 TO ESTABLISH MAXIMUM RATE OF USABLE WATER YIELD WITHOUT SAND CONTENT(BEYOND PERMISSIBLE LIMIT) WITH REQUIRED CAPACITY AIR COMPRESSOR, RUNNING THE COMPRESSOR FOR REQUIRED TIME TILL WELL IS FULLY DEVELOPED, MEASURING YIELD OF WELL BY V NOTCH METHOD OR ANY APPROVED METHOD, MEASURING STATIC LEVEL AND DRAW DOWN ETC., BY STEP DRAW DOWN METHOD, COLLECTING WATER SAMPLES AND GETTING TESTED IN APPROVED LABORATORYINCLUDING DISINFECTION OF TUBEWELL , ALL COMPLETE, INCLUDING HIRE AND LABOUR CHARGES OF AIR COMPRESSOR, TOOLS AND ACCESSORIES ETC., ALL AS PER REQUIREMENT AND DIRECTION OF ENGINEER IN CHARGE

PROVIDING AND FIXING SUITABLE SIZED THREADED MS CAP OR SPOT WELDED PLATE TO THE TOP OF THE BORE WELL HOUSING / CASING PIPE, REMOVABLE AS PER REQUIREMENT, ALL COMPLETE FOR BOREWELL OF:

200 mm DIA

PROVIDING AND FIXING MS CLAMP OF REQUIRED DIA TO THE TOP OF THE CASING /HOUSING PIPE OF THE TUBEWELL AS PER IS: 2800(PARTI), INCLUDING NECESSARY BOLTS AND NUTS OF REQUIRED SIZE COMPLETE

200 mm CLAMP

PROVIDING AND FIXING BAIL PLUG / BOTTOM PLUG OF REQUIRED DIA TO THE BOTTOM OF PIPE ASSEMBLY OF TUBEWELL AS PER IS: 2800(PARTI)

200 mm DIA

SUPPLY OF 25 HP, 415 V, 200 GPM, VERTICAL TYPE SUBMERSIBLE PUMP SET COMPLETE WITH MATCHING MOTOR, 3 PHASE STARTER, 10 SQ mm 3 CORE FLAT COPPER CABLE

INSTALLATION, TESTING AND COMMISSIONING OF ABOVE

SUPPLY, INCLUDING FITTING AND FIXING OF RESIN CAST TYPE OUTDOOR END CABLE TERMINATION KIT FOR 3 CORE/1.1KV XLPE CABLE FOR THE FOLLOWING SIZES INCLUDING TESTING AND COMMISSIONING AS DIRECTED 16 SQ mm , 3 CORE

Total impact of GST for the purpose of CTC

Technoelect