General

Drilling of Bore well by down the hole hammer drilling to a finished dia of 112/165 mm dia in all formations suitable for down the hole hammer drilling such as medium hard rock formation to hard rock formation, all consolidated formation etc. and drilling in over burden to dia not less than 200 mm etc and reaming the bore well to suit insertion of suitable casing pipe etc., including insertion of casing pipe with couplings, caps any other relevant materials upto required depth as directed by the department including transportation of drilling rigs and supporting vehicle and including bore development (Flushing of Bore Well at an average pressure of 150 PSI) conducting yield test, consumables charges, Crew charges required in fixation of pipe assembly completely done to the satisfaction of the department and including all labour charges but excluding all taxes, the cost of casing pipe, couplings, cap etc., The entire work should be carried out as per IS -2800 Part I & II 1979 and amended from time to time (Drilling of Bore well 165 mm dia. up to 90.00 m depth)

Flushing of bore well of dia 165/150 mm with power rig at an average pressure of 150 PSI, including crew charges, completely done to the satisfaction of the department including detachable of all accessories and refix all materials as per the original condition including all labour charges, but excluding cost of materials& excluding taxes etc,,complete,

Construction of bore well platform of 1.85 m dia and 3.00 m length drain and foot rest of 1.00 x LOU m with CC (1:2:4) using20 mm H8G metal including cost and conveyance of all materials labour charges,entering, curing, seigniorage charges &excluding taxes etc., completeas per UNICEF type design.

Supply, Delivery of ISI marked fully hot dipped galvanized deepwellInida Mark-H Hand Pump assembly complete unit with 10 Nos of connecting rods (bright bar of 12mm dia and 100 mts length each confirming to IS 9301/1990 & IS 14101 to14104:1994 with their amendments / revisions but excluding taxes

Casing Pipes and Bore caps

Cost and supply of 175 mm dia PVC blue casing pipe per RN3

Slotting charges for 175 mm dia PVC blue casing pipe per RM

180 mm dia PVC Casing pipe perforation charges per RM

Supply & Fixing of 180 mm dia PVC Bore Cap per 1No

32mm dia GI B-Class pipes per RM

Provision for Segniorage charges

Provision for DMF @ 30% on Seigniorage Charges

Provision for Consideration @ 100% on Seigniorage Charges

Provision for Merit @ 2% on Seigniorage Charges

Provision for NAC @ 0.10%

Provision for GST @ 18%

Provision for TPQA @ 0.739 %

Unforeseen item