installation of equipments on mahu dam, tal. jawali, dist. satara-item no. 1 :- excavation in hard murum including boulders upto 0.6 m diameter ( 0.113 cum ) for canal, seating of embankment, filter drains / catch water drains etc., and placing the excavated stuff neatly in dump area or for formation of service road / embankment including cost of all materials, machinery, labour, dressing bed and sides to required level and profile etc., complete with lead upto 1 km and all lifts as directed. item no. 2 :- providing, erection testing and commissioning of twin tube piezometer with all its required accessories as per is 7356 part-ii with all material, labour and transportation at the project sites etc complete. b ) providing polypropelene tubing 8 mm o.d. 1.6 mm wall thickness which can be fitted to the twin tube piezometer tip assemblywith all relevent accessories like elbow, nuts etc complete. item no. 3 :- providing, erection testing and commissioning of twin tube piezometer with all its required accessories as per is 7356 part-ii with all material, labour and transportation at the project sites etc complete. c ) providing identification tag with nylon thread. item no.4 :- providing, erection testing and commissioning of twin tube piezometer with all its required accessories as per is 7356 part-ii with all material, labour and transportation at the project sites etc complete d ) providing brass compression connector between twin tube tip assembly and tubing. item no. 5 :- providing, erection testing and commissioning of twin tube piezometer with all its required accessories as per is 7356 part-ii with all material, labour and transportation at the project sites etc complete e ) providing brass end plug item no. 6 :- providing, erection testing and commissioning of twin tube piezometer with all its required accessories as per is 7356 part-ii with all material, labour and transportation at the project sites etc complete f ) providing twin tube piezometer manifold system in the terminal well like main pressure gauge, valves, pressure pump set etc.with all the required accessories as per specification. no item no. 7 :- providing, erection testing and commissioning of twin tube piezometer with all its required accessories as per is 7356 part-ii with all material, labour and transportation at the project sites etc completeg ) providing panel board with individual pressure gauges for six tips. item no.8 :- providing, erection testing and commissioning of a casagrande type piezometer in 150 mm dia. provided drilled hole with all its required material accessories etc as per is -7356 part-i at the dam site. a ) providing 37 mm dia., 6 mm wall thick and 60 cm long porous tube piezometer with stopper and top adapter made up of carborendum with porous tube fillter of grain size 60 micron as specified in is 7356 part-i. item no. 9 :- providing, erection testing and commissioning of a casagrande type piezometer in 150 mm dia. provided drilled hole with all its required material accessories etc as per is -7356 part-i at the dam site. b ) providing pvc riser pipe of 12mm outer dia, 1.5 mm wall thickness and 1.5m long item no. 10 :- providing, erection testing and commissioning of a casagrande type piezometer in 150 mm dia. provided drilled hole with all its required material accessories etc as per is -7356 part-i at the dam site. d ) providing 12 mm brass hexagonal pipe top cap item no. 11 :- providing, erection testing and commissioning of a casagrande type piezometer in 150 mm dia. provided drilled hole with all its required material accessories etc as per is -7356 part-i at the dam site. e ) providing 50 mm dia and 1.25 m long g.i pipe casing protective cover item no. 12 :- providing, erection testing and commissioning of a casagrande type piezometer in 150 mm dia. provided drilled hole with all its required material accessories etc as per is -7356 part-i at the dam site. f ) providing150 mm dia and 1.20 m deep well graded sand filter around the casagrande piezometer. item no. 13 :- providing, erection testing and commissioning of a casagrande type piezometer in 150 mm dia. provided drilled hole with all its required material accessories etc as per is -7356 part-i at the dam site.g ) providing 150 mm dia and 1.00 m deep bentonite clay plug above sand filter item no. 14 :- providing, erection testing and commissioning of a casagrande type piezometer in 150 mm dia. provided drilled hole with all its required material accessories etc as per is -7356 part-i at the dam site. h ) providing drilling of bore hole of 150 mm dia in soft strata in dam body with all required material for installation of piezometer item no. 15 :- providing electronic water level indicator for taking water level reading in casagrande piezometer with stainless steel probe and marked flexible tape of 200 m length