WSS Pisti Dara Samote under UT Capex

Pipes Works

Earth work in excavation by manual means in trenches for foundations, drains, pipes, cables etc. (not exceeding 1.5 m inwidth) and for shafts, wells, cesspits and the like not exceeding 10 sqm on plan, including dressing of sides and ramming of bottoms lift upto 1.5 m, including getting out excavated earth and disposal of surplus excavated earth as directed: All kinds of soil

Refilling of Excavated soil back into trunches

Providing and Laying / Fititng of G.I Pipes 15mm Dia

Providing and Laying / Fititng of G.I Pipes 20mm Dia

Providing and Laying / Fititng of G.I Pipes 25mm Dia

Providing and Laying / Fititng of G.I Pipes 32mm Dia

Providing and Laying / Fititng of G.I Pipes 40mm Dia

Providing and Laying / Fititng of G.I Pipes 50mm Dia

Providing and Laying / Fititng of G.I Pipes 65mm Dia (M)

Providing and Laying / Fititng of G.I Pipes 80mm (M)Dia

Providing and Laying / Fititng of G.I Pipes 100mm (L)Dia

Carriage of G.I Pipes for average 1.00 Km by HL

Welding of Joints bt Electric arc Welding including testing and commissioning of joints includes carriage if set and all other accessories including making arrangement for electric supply /arrangement for generator etc. Complete job

Making interconnection of G.I distribution branch with G.I main by providing and fixing tee, Union including cutting and threading of pipes etc, Complete 25 mm to 40 mm Dia

Making interconnection of G.I distribution branch with G.I main by providing and fixing tee, Union including cutting and threading of pipes etc, Complete 50 mm to 80 mm Dia

80mm /65mm Dia Check/Valve NRV (With Cap) CI of Class 1

80mm /65mm Dia Sluice Valve CI of Class 1

Providing and Fixing of GM gate valve of approved Quality 25mm

Providing and Fixing of GM gate valve of approved Quality 32mm

Providing and Fixing of GM gate valve of approved Quality 40mm

Providing and Fixing of GM gate valve of approved Quality 50mm

Providing and Fixing brass ferule with C.I Mouth cover including buring and tapping the main

Providing and Fixing of brass bib cock approved Quality

Mechanical work

Installation, Testing & Commissioning (ITC)of Submersible as per IS reputed make Submersible. The Pump bowl should be of close-grained cast iron with renewable wearing rings of bronze material. The Pump shaft shall be of stainless steel, guided with stainless steel distance sleeves /shaft protection sleeves provided with each bowl above and below the stainless-steel impeller. The Casing wearing rings shall be of bronze material. The Coupling shall be of Mesh type rigid sleeve of stainless steel, non-slipping type with matching groove and cotter arrangement to suite keyway provided. The Suction case shall be of close-grained cast-iron material. The motor should be three phase AC supply having nominal speed of 2900 RPM, 400 Volts + 15% of frequency 50 Hz + 3%. The motor should be totally enclosed squirrel cage induction type, water cooled and sealed against outside water being pumped. The windings shall be wet type water lubricated and provided with metal tilting thrust pad designed to take up all untoward load to most unfavorable running conditions. The upper chamber of the submersible pump shall be duly fitted with an NRV so that during stoppage of submersible pump set reverse water cannot operate the pump set in reverse rotation. The Job also includes fabrication and providing of 80 mm dia. M.S column pipes- 24 nos. -03 Meter length each piece duly welded at both ends and attached with MS flanges-02 nos. to each pipe and all the column pipes shall be properly painted by using two coats of anti-rust primer and two coats of super enameled black paint. Providing and welding suitable M.S flanges with 04 nos. hole on each side of column pipe with proper alignment strengthening of each flange with column pipe by providing and welding of 04 nos., angular cleats at each end. Making two nos. grooves on each flange to accommodate submersible cable. The top column pipe shall be fabricated by providing one number, 12 mm thick M.S Flange of size 350 mm dia on one side so as to rest the complete connected column pipes with submersible pump motor set on casing pipe in tube well. The casing pipe shall be provided with a cut of for keeping a provision of submersible cable one end of the top column pipe shall be provided and welded with 65mm diaM.Sbend with proper flanges with suitable no. of holes for fitment of sluice valve/reflex valve in bore well. The job involves fabrication of adopter Nipple/reducer nipple approx. 0.5 mtr long fabricated out of MS Pipe, of which bottom end diameter is to be reduced to the delivery of Sub. Pump and threading the Pipe for screwing into the delivery portion to the submersible pump and other end of the adopter nipple is welded with MS flange of required size fabricated out of MS Plate for fixing with the column pipe. Two number nuts of required size are to be welded on opposite size of the proper piece so that clamping bolt of the tie rod can passed through it. Fabrication of the tie rod clamping arrangement for clamping the pump and motor to the upper adopter nipple, fabricated out of 40mmx6mm MS Plate as per required size at site. The upper ends of these flat strips should be welded with full threaded bolt 12mm dia. and 10 cm long. These bolts are to be passed through the nuts welded on the adopter nipple piece, tightening of the 12 mm double nuts on both sides including cost of material and labour charges. The Job includes coupling of both pumps and motors properly checking of movement of the pump, tightening of the adopter nipples to the delivery side of both the pumps, tightening of tie rods and testing of both the pump sets in the testing pit at workshop. Shifting of the submersible pump to work site. Providing and fitting of 10 sq mm submersible cable as per site requirement after crimpling, thimbling patching, taping etc. Lowering of submersible pump set into the borewell along with the column pipes by using special tools and tackles. Making all electrical connections of Submersible Pump set with LT control panel by proper thimbling and crimpling all cable ends and then testing and checking for specified amperage on full load. Fabrication of Gantry. The job further includes Design, fabrication and erection of MS/G.I Pipe Gantry for extraction and lowering of submersible pump set along with column pipes. The job includes fabrication of 2 no’s vertical members of MS/G.I Pipes 6” dia. medium class each of height 15 ft. embedded in cement concrete block of 3’x 3’x3’ from bottom of the vertical column pipes 2 nos. It includes earth work for excavation of foundation of size 3’ x 3’ x 3’ of cement concrete block for embedding of foo

Borewell

Setting Up of drilling site by way of shifting of requisite machinery and allied material after making proper approaches as per requirement at site

Boring/drilling 200mm dia. Bore Well, 120 meter below ground level or till sufficient aquifer Zone/discharge is encountered, by using ODEX Method of diling and simultaneously driving of 200 mm dia. ERW casing pipe after providing fixing of casing drive shoe with first 200mm kia, ERW casing pipe, complete, as per S: 2800 (part 1), including collecting samples from different strata, preparing and submitting strata chart/ bore log, including hire and running charges of all equipment tools plants and machineries required fOr the job, all complete as per direction of Engineer-in-charge, (ERW casing pipe shall be paid separately)

Cost of MS pipe assembly (including welding), lowering and fixing in vertical position in bore well, ERW (Electric Resistance Welded) FE 410 mild steel beveled ended 200mm dia. casing pipes, conforming to IS: 4270 of reputed and approved make, including painted with outside surface with two coats, of anti-corrosive paint of approved brand and manufacture including required hire and labour charges, fiting and accessories, all complete for all depths, as per direction of Engineer- in-charge. Detail of specification of pipe is reflected at Annexure "A" The cost includes transportation, loading, nloading and stacking/handling at site all complete.

Development to tube well in accordance with IS: 2800 (part 1) and IS: 11189 to establish maximum rate of usable water yield without sand content (beyond permissible limit) with required capacity air compressor, running the compressor for required time ill Well is fully developed measuring vield of well by "notch method or any other approved method, measuring static level & draw down etc. by step draw down method collecting water samples and getting tested in approved laboratory, I/C disinfection of tube well, all complete including required hire and labour charges of air compressor tools kand accessories, etc. all, as per direction of Engineer-in-charge