Installation of Bore wells at different Spots of Chuntwaliwar District Ganderbal.

Part "A" Drilling Job

Drilling/Boring of 125 mm diameter tube well by air rotary drilling rig unit suitable for lowering of MS casing of 125mm diameter in suitably drilled bore hole as per specifications laid down in IS 2800 (Part-I &II) with up to date amendments. The job is to be done in all kinds of soils, boulder, rocks, collapsible strata, saturated soils, artisan conditions by ODEX/DTH attachments and exploration of ground water by tapping sufficient aquifer zones. The job includes the cost of shifting of drilling machine, loading, unloading of accessories, tools, bits, casing shoe, consumables like fuel, lubricants, skilled and unskilled labours and other unforeseen items. Development of tube well with backwash method with air compressor of minimum capacity 1000 CFM (300 PSI air delivery system) with suitable arrangements till well is thoroughly developed in all respects as per the directions of site engineer.

Supply, Providing, Fitting, assembling in vertical position in above drilled bore of Mild Steel plain and beveled ended 125mm dia. (Class B) as per IS 4270 Casing pipes and subsequent lowering of casing assembly and its welding after every 10 feet, up to the drilled/desired depth. The whole casing pipe is inclusive of slotted pipe/ flushed, which is to be used as per the site requirement and as directed by site engineer. The pipe shall be lowered up to the desired level BGL. The average length of each pipe shall not exceed 3.00 Mts. The welding electrodes used for welding the pipe shall conform to relevant IS codes. The specifications of the tube well shall be as per IS 2800 part I&II

Harnessing and yield test of the tube well by way of Shifting all the men and machinery at site, carriage, loading, un loading, hire charges of DG set, submersible pumping unit, Tripod for lowering of pumping unit along with column pipes, starter, cable, tools and accessories and skilled labours and harnessed in accordance with IS:2800 (Part-I &II) to establish maximum rate of usable water yield without sand contents and without any other chemical contents by using submersible pumping unit. The pumping operation of well shall be continued till the measuring yield is achieved not less then 1000 LPH by step draw down method and turbidity level comes below 5 NTU and collecting the water sample and shall be tested in central laboratory, all complete.

Providing and laying of cement block of size 4’×4’ and 1 feet deep in a mix of 1:3:6 to adequate the strength to act as sanitary block for the well. The block comprises mud mat of 4 inch height and then laying of 8 inch cement concrete. and Providing and Laying of cement plaster in 1:4 mix to the above block to give aesthetically good appearance. Cost on account of stuttering, strutting, centring, curing etc. is included in the scope of work.

Part “B” Harnessing of well by Solar PV pump with allied works:

Supply, Providing, Fitting, Installation, Testing and successful commissioning of Solar Photo Voltaic dual pump 1 HP capacity with SS304 impeller, inbuilt controller BLDC pump of minimum 90 m head with shut off head minimum 105 m with RMS, compatibility not less than 85 % efficiency of make: Grundfos. The job includes Providing and fitting of solar PV Module required for above capacity motor, MNRE approved of 20-year warranty. The job also includes Providing and fitting of other Solar accessories, earthing, cabling from motor to panels and sensor cable from motor to PVC tank etc Complete etc as per requirement at site. The Job shall the transportation charges/head load of material up to the site of well with loading/boarding charges of men and material at site etc.

Fabrication, Providing & fitting of 32 mm Dia. PPR pipes for column pipe. Each length of column pipe is to be of 3 Meter long included is cost of providing, fitting of desired size heavy duty GI socket to each joint after 10 feet length up to ground level and also input and output connections up to PVC tanks including underground by excavation and back filling. Make: Q-Therm/Alma Therm/Rak Therm. (Qty. may vary as per site requirement at the time of execution).

Providing & fitting of 8 mm sq. multi stranded steel wire from well top & below up to pumping unit in well to avoid detachment of pumping unit in case of failure of threaded joint.

Providing and Fitting of 04 No. D-clips for holding/ gripping/ fastening of above steel wire.

Fabrication, providing & fitting of 125 mm dia. Well cap of MS/CI. The job includes flushing of 32 mm dia. Hole in the center of cap for column pipe.

Fabrication, providing and fitting of 32 mm split type MS clamps 5 mm thick, 6 feet long and 2 inch wide for lowering and holding of pumping unit fitted. The job includes the cost of required size of nuts and bolts.

Earth work in excavation including leveling of ground by manual means in trenches for foundation, drains, pipes, cables etc (not exceeding 1.5 m width) and for shafts, wells, cesspits and like (not exceeding 10 sqm on plan, depth upto 1.5 m, including disposal of excavated earth upto 1 m from cutting edge, disposed earth to be levelled and neatly dressed (in all kinds of soil). (Qty. may vary as per site requirement at the time of execution).

Providing and laying in position cement concrete of specified grade excluding shuttering. All work up to plinth level in (1:5:10) i.e. 01-part cement, 05 parts fine sand and 10 parts stone aggregate (49mm nominal size preferably nallah). (Qty. may vary as per site requirement at the time of execution).

Cost on account of Centering and shuttering including strutting, propping etc, and removal of form work for Foundation

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering. All work up to plinth level in (1:3:6) i.e. 01 parts cement, 03 parts fine sand and 06 parts stone aggregate 40 mm nominal size (nallah). The job also includes cost of all means of carriages either by mechanical transport or by manual labour up to actual site of work with all leads and lifts (Complete job). (Qty. may vary as per site requirement at the time of execution)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering. All work up to plinth level in (1:3:6) i.e. 01 parts cement, 03 parts fine sand and 06 parts stone aggregate 40 mm nominal size (nallah). The job also includes cost of all means of carriages either by mechanical transport or by manual labour up to actual site of work with all leads and lifts (Complete job). (Qty. may vary as per site requirement at the time of execution)

Providing and laying 12mm Cement plaster of mix 1: 4 (1 cement: 4 coarse sand). (Qty. may vary as per site requirement at the time of execution).

Filling/back filling available excavated earth in trenches, plinth, sides of foundation etc. In layers not exceeding 20 cm in depth, consolidating each deposited layer by reaming and watering, lead up to 50 m and lift up to 1.5m. (Qty. may vary as per site requirement at the time of execution).

Providing, applying and Finishing of the outer walls, plinth walls around.

Construction of MS structure over concrete base and grouting of vertical posts, diagonals, top truss frame etc. out of different steel sections as per site requirement. (Qty. may vary as per site requirement at the time of execution).

Providing and applying of Painting, as per departmental colour coding prevalent with minimum two coats after primary coat of red oxide.

Providing and fixing of SMP coated sheets of approved colour comprising 0.50 mm thick sheets fixed with hooks, GI limpet and bituminous washers, nuts, nails etc.

Providing and Fitting of 5000 Liters Five layer PVC tank of reputed ISI make or Comfort Make with all other fitting accessories.

Providing & fitting of 32 mm and 25 mm Dia. Complete PPR fitting accessories like T, Bends, elbows, Sockets, Reducers, Tank nipple, nipples required, Unions, Ball Valves etc (Qty. of each item mentioned is as per requirement at the time of execution). Make: Q-Therm/ Alma Therm/ Rak Therm. Also including Providing & fitting of heavy duty water taps 4 No. IS Make.