Interlinking the borewells at Dynamite godown and Tsunami Quarters to the existing supply line at Law College road, Periyakalapet, Pudcuherry.(II call)

Amount

Dismantling manually / by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in charge.- bituminous road

Demolishing cement concrete manually / by mechanical means including disposal of material within 50 metres lead as per direction of Engineer-in-charge. - Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Excavating trenches by mechanical / manual means of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, for all depth, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as per direction of Engineer-in-charge, within a lead of 50 m - all kinds of soil - pipes,cables etc , exceeding 80mm dia but not exceeding 300 mm dia

Providing, laying and jointing UPVC pipes (0.6 Mpa)conforming to IS specification 4985 and ISI marked including transportation to the site , lowering to the trenches, laying to proper grade and alignment, testing of joints with required testing equipment,including cost of solvent cement,excluding UPVC specials such as bends,tees, threaded pieces, couplers, reducer,endcaps etc.,complete all as per IS and CPWD specification. - 110mm dia

Providing, laying and jointing UPVC pipes (0.6 Mpa)conforming to IS specification 4985 and ISI marked including transportation to the site , lowering to the trenches laying to proper grade and alignment, testing of joints with required testing equipment,including cost of solvent cement,excluding UPVC specials such as bends,tees, threaded pieces, couplers, reducer,endcaps etc.,complete all as per IS and CPWD specification. - 160mm dia.

Providing and laying S&S centrifugally cast (Spun) / Ductile iron pipes conforming to IS : 8329 - 100 mm dia Ductile iron class K-7 pipes

Providing push -on-joints to Centrifugally (Spun) Cast iron pipes or Ductile iron pipes including testing of joints and including the cost of rubber gasket - 100 mm dia pipes

Providing and fixing D.I. MJ collar coupling, with bolts, nuts, rubber insertion etc.,complete - 100 mm dia

Providing and fixing D.I. MJ collar coupling, with bolts, nuts, rubber insertion etc.,complete - 150 mm dia

Providing and fixing in position S&S standard D.I. specials such as tees, bends, collors, tapers, caps etc.conforming to IS specification 9523/2000 and ISI marked - 100 to 300mm dia.

Providing and fixing mild steel flange including bolts,nuts,rubber insertion, labour charges etc,complete- 100mm dia

Providing and fixing in position UPVC moulded tail piece without flange (0.6 Mpa)conforming to IS 7834 part II and ISI marked,including labour charges for jointing, jointing materials etc,complete - 110mm dia

Providing and fixing C.I.double acting air valve of approved quality with bolts, nuts, rubber insertions etc.complete (The tail pieces, tappers etc. If required will be paid separately) - 100 mm dia

Supply and installation of DI D/F Gate Valves (Soft seated ) Resilient seated soft sealing gate valves (Sluice valves ) with body bonnet of ductile iron of grade GGG 40, wedge fully rubber lined EPDM of good quality W720 , replaceable spindle nut, without gland packing and with 3 O-ring protection on the shaft and seals of NBR and the valves should be vacuum tight and 100% leak proof with face to face dimensions as per BSS 163-89/ISI 4846 - 2000/DIN3202 F4. All the valves should be Electrostatic powder coated both inside outside with pocket less straight thro body passage. All the valves shall be compatible for burried application without chambers, with pressure rating PN 10/16 - dia 150mm

Supplying,fixing and lowering into the borewell high tensile threaded PVC column pipes which are to be connected to the submersible pump,including labour charges,jointing materials etc.,complete.-100 mm dia

Supplying and fixing of C.I. adopter which is to be connected to submersible pump delivery pipe.-100 mm dia

Supply and fixing of 80/100mm dia. M.S. erection clamps of size 80mmx12mm with bolts, nuts, washer etc., complete.

Supply of Quarry rubbish including stacking to department gauge for premeasurement and spreading required thickness

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work upto plith level - 1:5:10 (1 cement : 5 fine aggregate : 10 graded stone aggregate 40mm nominal size)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work upto plith level - 1:2:4 (1 cement : 2 fine aggregate : 4 graded stone aggregate 20mm nominal size)

Erection, testing and commissioning of submersible motor and pumpset complete..

Krishna kumar

M/s. Madhava Construction

PARANJOTHI

Saran Construction

P Ramamoorthy

BASKAR MAGADEVANE

NR CONSTRUCTION

SRI LAKSHMI CONSTRUCTIONS

Hayagreeva varadane