Providing and Installation of Borewell Handpumps 1Nos DTH village Baruhi GP Naunghi

Providing and Installation of India Mark-III(65mm)& India Mark-II(50,mm)& India Mark-II iextra deep(32mm) deepwell handpumps as per IS: 13056-1991 alongwith its upto date amendmetns and IS:9301 respectively comprising of following items

Transportation of suitable truck/Tractor mounted DTH / ODEX attachement /Percussion /Calyx/Rotary drilling rigs along with necessary accessories etc.to the site of work and errection of rig including leveling etc.complete in all respects as per the direction of Engineer-in Charge. 10% of the total No. of hand pumps shall be installed of road side upto a distance of 250 mtr

Drilling bores of 165 mm dia as per IS 2800-1979 (IS 2800(Part -I): 1991 Re-affirmed 2001)from ground level in the over burden as per direction of the Engineer in charge with DTH rig for drilling through rocky formation consistinhg of sandstone ,limestone,dolomites conglomerate or any othertype of sedimentary ,metamorphic andigneous rocks including cost of consumable stores bits,water POL etc.complete in all respect as detailed below.

From 0 to 10 mtrs depth =1*10=10Rmt

above 10 mtrs =1*80=80 Rmt

Supplying and lowering of IS marked 125mm PVC casing pipes medium class 5mm thick, screwed and socketed as per IS12818-1992 (Part-I)with upto datae amendments including cost of all cutting , factory threadingwherever required in a random lenght of six meters including transportion charges (DTH bores ) as per the directions of the Engineer in charge= 1*90=90mtrs

Collection and preservation of soil samples in polythene bags complete in all respects as per directions of the Engineer-in-Charge.

Development of bore well and yield testing with air-compressor through 900 V -notch and disinfection etc complete in all respect as per IS:2800:1979 and as per direction of the Engineer-in-charge.