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 Tubewell 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) with up-to-date amendments encountered including installation, testing and commissioning of M-II Hand pump assembly complete. 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, including collecting samples from different strata after every 10-feet in transparent containers/boxes for proper visualisation/inspection, then preparing and submitting of strata chart/bore log and job card. The job includes the cost shifting of drilling accessories, tools, bits, casing, shoe, consumables like fuel, lubricants, skilled and unskilled labours and other unforeseen items. The job also includes Development of Tube well with backwash method with air compressor unit of required capacity with suitable arrangements till well is thoroughly developed in all respects as per the directions of site engineer.

Supplying, assembling, lowering and fixing in vertical position in bore well, ERW (Electric Resistance Welded) Fe 410 mild steel screwed or socketed/plain ended 125 mm nominal Dia (MS 125 mm) Casing pipe conforming to IS : 4270:2001 with up-to-date amendments of reputed & approved make, including painting of outside surface with two coats of anticorrosive paint of approved brand and manufacture, including required transportation, hire & labour charges, fitting/welding and accessories, all complete for all depths, as per direction of Engineer-In-charge. The casing pipe is to be slotted as per the site requirement and as directed by site engineer.

Providing/Laying of Plain Cement Concrete block of size 4ft × 4ft × 1ft in 1:3:6 mix to give adequate strength to act as a sanitary block for the well. In case the suitable space for the above specification is not available, the surface area is to be adjusted accordingly in the shape of Circle/Square/Rectangle or as per site shape available.

Harnessing and yield test of the tube well by way of shifting all the men and machinery to site including DG set, submersible pumping unit, Tripod for lowering and uplifting of pumping unit along with column pipes and all other necessary tools and tackles required for completion of the job in accordance with IS:2800 (Part-I & II) to establish maximum rate of usable water yield free from sand and chemical contents by installing a test pump (submersible pumping unit suitable for the bore well). The pumping operation of well shall be continued till the measuring yield is achieved not less then 1000 GPH 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, installation, Lowering, testing and commissioning of single-phase submersible pumping unit with allied equipment required for successful installation. Following specifications: Pump: Dia. of Well Casing = 125mm MOC: SS 304 Outlet size: 32mm NB Discharge of the Pump = 75-100 LPM Dynamic Head Range = 40-50 Meter Speed = 2850 RPM Mat of the impeller = Noryl/cast steel Efficiency = Not less than 45% Shaft Material = Stainless Steel Fluid to be handled = Clear water Make = KSB/Crompton/ or equivalent Motor: Rating = 1.5HP MOC: SS304 Frequency = 50Hz Working Voltage = 220 Volts -15% +6% Efficiency = Not less than 45% The job also includes: 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. Fabrication of mild steel crate belt around the pump motor including all allied works at site. Providing & fitting of 32 mm dia. long elbow duly threaded and socketed at top of well casing

Providing, lowering & fitting of 32 mm Dia. class B, socketed GI column pipe in the well by utilizing tools and tackles like chain pulley and tripod at site. The job includes the cost of cutting/threading on both sides of each column pipe having 3m length including providing, fitting of desired size heavy duty GI socket to each joint. Pipe material shall be with all BIS codes.

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 MPD with over load relay 12-22 A fitted with contractor 25 A, 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. (to be installed for Two no wells)

Fabrication, providing and fitting of 32 mm split type MS clamps 6mm thick, 1feet 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.

Providing & fitting of 6mm sq. Insulated multi stranded steel wire from gantry post 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.

Providing & fitting of 125 mm dia. Well cap with central hole 32mm dia.

Providing and Fitting of 10 sq. mm, 2 Core, XLPE Armoured Aluminium Cable conforming to IS: 7098 part 1st as service line from LT feeder to Main MCCB including necessary thimbles, crimping, taping etc.

Providing and fitting of 3-Core flat 4 mm Square submersible copper cable conforming to IS: 694 (Part 1st) - 1964 & IS: 694 (Part 2nd) - 1964 for connecting Submersible Pumping Unit with starter. The cable connection terminals shall be fitted with copper thimbles and taping of required size.

Design, manufacturing, providing, erection, testing and commissioning of 1 MT capacity overhead gantry systems made out of diff. steel sections viz. MS Plates, MS pipes, beams by various operations viz. cutting, welding and buffing etc. a) Vertical posts made out of 100 mm Dia. MS pipe medium class with thickness of 4.5 mm (2 x 20’ = 40 = 12.19 m @ 12.20 Kg/m = 149 Kg Horizontal member ISMB 150 = 1 x 8’= 38 Kg b) Top and bottom surface plates 6”x6” made out of MS plate 5mm thick - 0.14 SM @ 39.25 Kg /In x m = 5.5 kg c) Foundation blocks of size 2 ½ x 2 ½ x 5’ - 1.77 CUM to be laid in 1:3:4 mix. The job includes earth work excavation and grouting of the base plates in foundation block as per site requirement. d) Providing and fitting of 8’x8’ size canopy over the above fabricated gantry by way of ISAA40x6mm (128 Kg). Providing and fixing of CGI high rib colour coated sheets 26 SW 10 Sqm over 8’x8’ size canopy. Providing and fitting of 1’ long 40x40x5mm angle iron pieces for fabrication of ladder on one of the two vertical posts - 11 Kg Providing and finishing by buffing, two primary coats of followed by two coats enamel steel painting of apoxy with approved shade.

Supplying and fabrication of Prefabricated steel Cabin for the erection of control panel having size 8’ x 5’ having one side sloped roof with height 7’ min and 8’ max and 10 inches above the ground surface. i) PUF Wall and roof panel: 80 mm thick PUF Panel interlock type, sandwiched between 0.50 mm PPGI Sheets including necessary flashing, inner and outer corners, U channels etc. ii) Frame work for walls and floors duly painted with 02 coats of synthetic enamel paint followed by a coat of red oxide primer. MOC: MSHS 50 x 50 mm = 320 KG i) 12 mm Ply board for floor to be laid and fixed over MS SHS 25 mm grid work of 600 x 600 x 2.90 mm: 40 sqft ii) Frame and sub frame: MS RHS 75 x 32 mm x 2.90 mm iii) Door: PUF Panel Door: 1200 x 2100 x 80 mm = 01 no iv) Sliding window: MOC: Powder coated Aluminium Section (900 mm x 1200 mm) = 01 no