Instalattion of 200mm dia Tube WElls in Different Block in Jagatsinghpur District

Amount

Labour for drilling of perfect vertical bore hole of specified depth below ground level in alluvial soil strata by mud rotary rig drilling as required to sui the site condition as per the driction of Engineeer-in - charge including supply of Rig with it's accessories, tools and plant and consumable etc.for lowering of finished bore for 450mm dia and suitable for lowering of 200mm dia PVC pipe for housing , fitted with socket with or without well screen as per the necessity for the soft , medium , hard and boulder formation ( GI/PVC casing popes if required by the contractor to prevent collabse of over bourden portion ) in cluding lower and withdraing of casing pipe after drilling 200mm to 450mm dia in over bourden portion up to 100mtr. o mtr to 30mtr.

Labour for drilling of perfect vertical bore hole of specified depth below ground level in alluvial soil strata by mud rotary rig drilling as required to sui the site condition as per the driction of Rngineeer-in - charge including supply of Rig with it's accessories, tools and plant and consumable etc.for lowering of finished bore for 450mm dia and suitable for lowering of 200mm dia PVC pipe for housing , fitted with socket with or without well screen as per the necessity for the soft , medium , hard and boulder formation ( GI/PVC casing popes if required by the contractor to prevent collabse of over bourden portion ) in cluding lower and withdraing of casing pipe after drilling 200mm to 450mm dia in over bourden portion up to 100mtr. 31 mtr to 45mtr.

Supply of all labour and T & P for lowering following size GI/PVC pipes with or without slotted pipes as per the necessity from ground level and fitting and fixed up in perfectly vertical position including cutting and threading pipe and slotted pipe and fixing all joint materials , tools and plants etc. complete and keeping the top of the casing pipe threaded including plugging tube wells to prevent entri to foreign materials from above excluding cost of fittings and jointing materials and packing gravels arount the casing in the annular space as per the driction of the Engineer, 0 to 100 mtr.

Operation charges of water pump and tanker including transportation

Providing of 200mm dia PVC well casing as per ASTM D 1785/2004 ( Schedule -80 ) blue in colour having specific gravity of the maaterials od the pipe 1.40 to 1.46 gms/cc straight length of 3 mtrs PVC pipe s including transportation to site etc. complete as per direction of site Engineer.

Cost of slotting charges of 200 mm dia PVC ( ASTM D) Sch -80 pipe

Cost of bentonite drilling mud including transportation to site etc.

Providing of Graded and washed gravel of B grade including transportion to site etc. completer as per direction of engineer _- in - charge.

Cost of 200mm dia PVC cone

Cost of 200mm dia PVC end cap

Cost of 200mm dia PVC nipple

Cleaning and developing the production well using own Air compressor continuously worked till clear and adequate discharge is obtained from the tube well including supply and use of all necessary equipment and labour as per the direction of the Engineer at site.

Excavation of mud pit, settling pit and fluid channel and back billing with preparation od approches to movement of rig and ancillaries etc. complete

AKSHAYA KUMAR MALLICK

BRAJENDRA PANIGRAHI