WBPHED/DIC/BMSD(D)/NIeT-2 of 2024-25_16

Amount

Supply and Delivery of Double hydraulic pump for 31D Drilling Rig Hydraulic system Model- T6CC-B22-B10 Make-VELJAN

Supply and Delivery of 114.3mm inner dia. Tapered Roller Bearing, outer dia. 190.5mm Make & Part No. -Timken 71450/71750

Supply and Delivery of Tapered Roller Bearing. Part No.-30209 J2/Q Make-SKF

Departmentally supplied Lubricants and other oil for 31 D rig unit

Hydraulic oil(Servo system 32) - 210 ltr

Mobile(Servo Pride 40) - 20 ltr

Gear oil (Hp 140)- 14 ltr

Grease- 4 kg

Comressor oil(!5w40)- 16 ltr

Departmentally supplied items for 31 D rig unit

Comressor Filter kit(1set=3 nos)- 1 set

Rear Wheel Cylinder (1210) part no.- 29662076 2 nos.

Front Wheel Cylinder (1210) part no.- 29662073 1 no.

Lub oil(Mobile) Filter Part no.- 451037838 1 no.

Diesel Filter(1.1 ltr) Cotton Part no.- 457431003 2 nos.

Diesel Filter(1.1 ltr) Star Part no.- 002H24406 1 no.

Front Boot Bucket 1 No.

Oil Seal(1210) (For Front-2 Nos,Rear-2 Nos)

Cotton Waste 2kg

Supply and Delivery of 10 ft long 3/4" dia. Wire Braided flexible Teflon or PTFE hose pipe with Tri clamps and ferrule

Supply and Delivery of Tank Mounted Return Line Filter 1 ltr)

Supply and Delivery of Tank Mounted Return Line Filter 1/2 ltr)

Supply and delivery of Brake oil

Rubber Oil seal (Size-110*130*13mm)

Dismantling old damaged veljan make hydralic pump and installation of newly supplied double hydraulic pump(Sl No.-1)in the existing positionby skilled technician and testing satisfactory as per direction of EIC

Drain out hydraulic oil from Hydraulic tank of drilling rig, after drainning damaged oil from tank, throughly washing cleaning this tank and refilling departmentally suppliedSl No.-4.1) 210 ltr hydraulic oil.

Dismantling Air pipe line, Air control valve set and Air Filter and fitting fixing new supplying air pipe, air control valve set and testing complete

Checking & repairing of all electrical wiring and all electrical system including supply of necessary DC wire, screw, nut, bolts etc.

Dismantling Rear & Front both sides wheels for washing, cleaning,greasing the bearing, wheel drums brake shoe etc.and greaseing Rear & Front both sides wheels and fitting fixing departmantally supplied item(sl no. 5.2 .5.3,5.6,5.7& 5.8) and grinding & polishing the wheel drum for proper braking system(using supplied brake oil sl no. 9) after greasing the all bearing .

Dismantling the Diesel Tank from chassis and fitting fixing the same after washing cleaning and repairing the damage portion by gas welding with new MS sheet as per direction.

Rig engine servicing by draining burnt out Lub oil and refilling Dept. supplied mobile oil (Sl no.4.2,4.3,4.4) with changing Departmentally supplied(sl no.-5.4 to 5.6) Lub oil filter, Fuel filter,oil seal and also change lub oil of gear box, differential,steering box.(Lub oil supplied Departmentally)

Compressor Servicing by changing Departmentally supplied (Sl No. 4.5 &5.1) lubricant oil,filter kit(set of 3) etc, checking and testing as possible satisfactory as per direction of EIC.

Add: 18% GST

Add: 1% Cess

M/S NABIN GOPAL SENGUPTA (BID ID -5875707)

ABHIJIT MUKHERJEE (BID ID -5875652)