Construction of 01 No. 125mm dia, Machine Drilled Hand Pump Tube Well and SITC of Electro mechanical works at Ground Colony Khimber District Srinagar.

Drilling/Boring of 125 mm diameter tube well by air rotary drilling rig unit suitable for lowering of MS casing of 125 mm 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.

Drilling/Boring of 125 mm diameter tube well by air rotary drilling rig unit suitable for lowering of MS casing of 125 mm 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 bevelled ended 125 mm 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.

Providing and laying of cement concrete block of size 4’ x 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 shuttering, strutting, centring, curing etc. is included in the scope of work.

Providing, installation, testing and commissioning of single phase submersible pumping unit and allied works of following specifications: Dia. of Well Casing = 125 mm Discharge of the Pump Min. = 1.5 cubic meter per hour (or as per mix discharge of well) Discharge of the Pump Max. = 4 cubic meter per hour (or as per requirement) Dynamic Head Range = 140–150 meter Make = KSB / CG / Kirloskar Motor Rating = Corresponding to above mentioned head and discharge achieved Frequency = 50 Hz Working Voltage = 220 Volts (−15% +6%) The job also includes: i) Fabrication, providing & fitting of suitable dia GI nipple cum reducer as per outlet of above submersible pump duly threaded up to suitable length and other end for membering with column pipe as per site requirement. ii) Providing & fitting of elbow duly threaded at top of well casing as per requirement.

Fabrication, providing and fitting of 32 mm split type MS clamps, 6 mm thick, 1 feet long and 2.5 inch wide for lowering and holding of pumping unit fitted. The job includes the cost of required size of nuts and bolts.

Fabrication, providing & fitting of 32 mm dia, Medium Class socketed GI column pipe pieces. The job includes the cost of cutting/threading of each pipe on both sides. Each length of column pipe is to be of 3 meter long. It also includes cost on account of providing, fitting of desired size heavy duty GI socket to each joint after 10 feet length up to ground level. Pipe material shall be as per BIS. Make: Jindal / Surya Prakash / Apollo or equivalent. (Qty may vary as per site requirement at the time of execution).

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

Providing and fitting of 06 Nos. D-clips for holding / gripping / fastening of above steel wire.

Providing & fitting of 125 mm dia well cap CI/MS. The job includes drilling of 40 mm dia hole in the center of cap for column pipe.

Providing and fitting of 10 sq. mm, 2 Core, XLPE Armored Aluminum Cable conforming to IS: 7098 Part 1 as service line from LT feeder to Main MCCB including necessary thimbling, crimping, taping etc. Make: Havells, National, Polycab or Equal.

Providing and fitting of 3-Core flat 4 mm square submersible copper cable for connecting Submersible Pumping Unit with starter and as service line if required. The cable connection terminals shall be fitted with copper thimbles and taping of required size including conduit if required. Make: Havells, Polycab.

Providing, installation, fitting & testing of 02 pole, rated current 63 Amps, 220 Volts on load Molded Case Circuit Breaker having copper contact lugs. Make L&T.

Design, providing, installation, testing and commissioning of factory fabricated Advanced sub control panel suitable for operating 3 HP single phase submersible pumping unit with voltage range 150–240 Volts having run capacitor 100 MFD and start capacitor 150/200 MFD with suitable capacity over load relay fitted with contactor, Miniature Circuit Breaker B32, protection devices, indicating lamps, push buttons for ON & OFF, dual metering module, 50 Hz AC power supply including necessary interconnections etc. as required including necessary interconnections thimbles etc as required.

Design, supply, installation and testing of fully automatic 5 KVA single phase oil cooled copper voltage stabilizer with input voltage range 70–240 V and output 220 V. Make: Alba, Northern or equivalent.

Fabrication, providing and fitting of suitable size MS frame out of ISA filled with teak wood panel board with providing and fitting of indicators, voltmeters and also provision for fixing of starter and MCCB with allied accessories.

Providing and installation of triple layer Polyethylene (HDPE/LLDPE) water storage tank having storage capacity of 5000 liters. The tank shall have lid with locking arrangement. The job shall include providing & fixing of tank nipples (03 nos), GI pipe along with necessary fitting items like union (01 no), elbow (02 nos), nipples (02 nos), GM gate valves (02 nos). Dia of pipe and pipe fittings: 32 mm NB (B-Class).