Raising main and Providing laying fitting of Header line and submercible pump set near stage 1st choglamsar

Earthwork in excavation by manual means in foundation trenches or drains(not exceeding 1.5 m in width or 10sqm on plan), including dressing of sides and ramming of bottoms, liftup to 1.5m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. all kind of soil .

Earth work in excavation by mechanical means (Hydraulic excavator) in foundationtrenchesordrains(notexceeding1.5minwidthor10sqmonplan), includingdressingof sidesandrammingofbottoms, liftupto1.5m, including gettingouttheexcavatedsoilanddisposalofsurplusexcavatedsoilasdirected, within a lead of 50 m all kinds of soil

Laying of the rising main in the excavated trenches, rocky surface and open as per site condition, beveling, cutting, aligning the pipes, to be done by special/skilled workman handling of pipes with proper tools/tackles employing semi-skilled workman. Tools /tackles can be tripod stand, chain pulley blocks for rising and lowering of pipes and for proper workability, proper alignment and edge/level matching, Initial tack welding and final welding to be a perfect circumferential butt welded joints, removal of slag before a new layer is put in place and afterwards, defects in welds to be rectified by filling of any cavities etc, negotiating and fabrication of bends required as per site condition along the alignment of the rising main. The deviation/bends are to be fabricated from available D.i Pipe 350 mm dia.The complete job include cost of cutting and charges of equipments, tools/tackles skilled/semi-skilled labour charges at site.

Providing Laying of the rising main in the excavated trenches rocky surface and open as per site condition, levelling cutting laying the MS Pipe circumferential welding of pipes 100 mm dia pipe 7mm thick with one root layer and two additional layers with 3.14mm and 4mm JS marked M.S Welding rods to fill the grooves between the pipes welding to be done by special skilled workman handling of pipes with proper tools/ tackles employing semi- skilled workman. Tools, tackles can be tripod stand chain pulley blocks for raising and lowering of pipes and for proper workability proper alignment and edges. Level matching, initial tack welding and final welding to be a perfect circumferential butt-welded joint removal of slag before a new layer is put in place and afterward. Defects in welds to be rectified by filling of cavities etc. negotiating and fabrication of bends required as per site condition along the alignment of the raising main. The deviation/ bend is to be fabricated from available MS Pipe of 200 mm dia the complete job includes cost of welding rods, gas for cutting and charge of equipment tools, tackles skilled/semi-skilled labour charge at site.

Providing, Lowing, Laying, Aligning, fixing in position in pipe line, Sluice Valve of approved make of 100mm dia PN 16 including complete labour, testing and commissioning along with pipe line as per technical specification conforming to IS 6603 and as per direction of engineer in charge

Providing, laying, aligning, fixing in position in pipeline, NRV of approved make of 100 mm dia PN 16 including complete labour, testing and commissioning as per IS 6603 and direction of engineer-in-charge

Supply, installation testing and commissioning of submersible pumping units of following specification PUMP: MAKE:- KSB/CRI/ preferably KSB. DISCHARGE:-90-130 m3/h HEAD:- 75-80 Mtrs. TYPE:- Submersible IMPELLER :-Bronze/SS. Quality of water to be handled :- clean water from tubewell The pump shall be provided with name plate given following details / information:- a) Name of the manufacture or trade. b) Serial no. of the pump c) Total head and discharge d) speed in revolution per minute at rated output. MOTOR:_ KSB/CRI/ preferably KBS. TYPE:- Submersible. RATING:- suitable for above parameters TYPE:- Submersible. Class of insulation : suitable for above rating The submersible motor Shall be squirrel cage induction type and the winding should be wet type:- a) Name of the manufacturer or trade. b) Serial no of the motor c) frequency in Hz. d) Number of phases . e) Rated out put in KW/HP. f) Rated voltage and including connection. g) Speed in revolution per minute at rated output. h) Approx current in Amp. at rated output. The pumping and motor shall be coupled through suitable coupling and shall be provide with the unit to column pipes and column pipe as per dia of the pump a) suitable cable b) suitable interlocking arrangement fabricated out of suitable size MS strips to prevent detachment of pump and motor in case of failur of coupling. 2) Motor rating in Horse power of submersible pumps from bore wells with three phase electric induction motor and pumps of 75HP.

Providing /laying and fixing G.I /M.S flanged pipes complete including cost of pipes of fittings (350mm)

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20 cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift up to 1.5 m. 90% of item 1800 cum