Mining, Minerals & Quarrying Tender Results

10000556 Labour for drilling a perfectly vertical bore hole of specified dia for a specified depth below ground level through consolidated and unconsolidated rock with down the hole hammer drilling rigs or combination drilling rigs (1200cfm/300psi) as required to suit the site condition as per the direction of Engineer-in-charge including use of own rigs with its accessories,tools and plant and consumables etc for lowering of 200mm dia PVC pipes for housing fitted with socket and with or without well screen as per tenecessity for soft,medium,hard and boulder formation (PVC casing pipes if required to prevent collapse of overburden is to be provided by the contractor including lowering and with drawing after completion of the tube well).(Icluding both LABOUR FOR DRILLING 200MM DIA UPTO 30 MTR. & LABOUR FOR DRILLING 150MM DIA FROM 30 MTR TO 150 MTR including all.) CONSIDER FOR 150 MTR DEPTH. Ground Floor

10000556 Labour for drilling a perfectly vertical bore hole of specified dia for a specified depth below ground level through consolidated and unconsolidated rock with down the hole hammer drilling rigs or combination drilling rigs (1200cfm/300psi) as required to suit the site condition as per the direction of Engineer-in-charge including use of own rigs with its accessories,tools and plant and consumables etc for lowering of 200mm dia PVC pipes for housing fitted with socket and with or without well screen as per tenecessity for soft,medium,hard and boulder formation (PVC casing pipes if required to prevent collapse of overburden is to be provided by the contractor including lowering and with drawing after completion of the tube well).(Icluding both LABOUR FOR DRILLING 200MM DIA UPTO 30 MTR. & LABOUR FOR DRILLING 150MM DIA FROM 30 MTR TO 150 MTR including all.) CONSIDER FOR 150 MTR DEPTH. Ground Floor

Sinking of 200mmx150mm dia large Tube well(1 No.) :- Labour for drilling a perfectly vertical bore hole of specified dia for a specified depth below ground level through consolidated and unconsolidated rock with down the hole hammer drilling rig or combination rig as required to suit the site condition as per the direction of the Engineer in charge including use of own rig with its accessories, tools and plant and consumables etc for lowering of 200mm/150mm dia G.I/P.V.C/M.S casing pipes for housing fitted with socket and with or without well screen as per the necessity for soft, medium, hard and boulder formation(G.I/P.V.C/M.S casing pipes if required to prevent collapse of overburden is to be provided by the contractor including lowering and withdrawing after completion of the tube well), 200mm dia to 400mm dia in overburden portion including packing of gravel supplied by the contractor for 400mm dia bore. Labour for Drilling of 200 mm dia bore 0mtr to 120mtr

Sinking of 200mmx150mm dia large Tube well(1 No.) :- Labour for drilling a perfectly vertical bore hole of specified dia for a specified depth below ground level through consolidated and unconsolidated rock with down the hole hammer drilling rig or combination rig as required to suit the site condition as per the direction of the Engineer in charge including use of own rig with its accessories, tools and plant and consumables etc for lowering of 200mm/150mm dia G.I/P.V.C/M.S casing pipes for housing fitted with socket and with or without well screen as per the necessity for soft, medium, hard and boulder formation(G.I/P.V.C/M.S casing pipes if required to prevent collapse of overburden is to be provided by the contractor including lowering and withdrawing after completion of the tube well), 200mm dia to 400mm dia in overburden portion including packing of gravel supplied by the contractor for 400mm dia bore. Labour for Drilling of 200 mm dia bore 0mtr to 120mtr

Providing and constructing cast in situ hydraulic bored piles of 450mm diameter in M30 grade concrete using blended cement - slag cement with minimum cement content of 400kg/m³in accordance with the structural engineers drawings and directions, but exculding reinforcement including cost of all necessary plants, equipment's like piling rigs, temporary casing of appropriate length for setting out cardinal points and the removal of the same, boring in overburden, using bentonite mud circulation technique or any other method duly through all strata upto the foundation level of piles etc., complete all as approved by the departmental engineer. Further include dewatering, placing concrete by tremie pipe method, disposal of bored material outside the site. Including Chipping carefully cut off portion of piles as required without any damage to the piles and dressing the top and removing all the debris away from the site with out any extra cost as directed including the cost of all tools, plants, conveyance, all labour, lead and lift required etc., Conducting standard penetration test to identify the refusal strata for atleast 1 pile in group and atleast 25% of piles, comparing with refusal strata as indentified in soil report and providing socketting into refusal strata by 1.00mt or into hard rock by 100% dia of the pile. (Length of pile for payment shall be measured up to bottom of pile cap).

10000556 Labour for drilling a perfectly vertical bore hole of specified dia for a specified depth below ground level through consolidated and unconsolidated rock with down the hole hammer drilling rigs or combination drilling rigs (1200cfm/300psi) as required to suit the site condition as per the direction of Engineer-in-charge including use of own rigs with its accessories,tools and plant and consumables etc for lowering of 200mm dia PVC pipes for housing fitted with socket and with or without well screen as per tenecessity for soft,medium,hard and boulder formation (PVC casing pipes if required to prevent collapse of overburden is to be provided by the contractor including lowering and with drawing after completion of the tube well).(Icluding both LABOUR FOR DRILLING 200MM DIA UPTO 30 MTR. & LABOUR FOR DRILLING 150MM DIA FROM 30 MTR TO 150 MTR including all.) CONSIDER FOR 150 MTR DEPTH. Ground Floor