Erection of new Sewage nonclog pump 5 HP and providing GI pipe line at Fathima Lay out in villupuram municipality in ward 10.

Supply and delivery of submersible centrifugal sewage non-clog pumps, vertical spindle type pump, wear resistance with submersible motor for the various duty conditions. Pump shall be capable of handling min 100 mm solid size with sewage specific gravity of up to 1.05.Pump shall be of robust construction, Liquid passages shall be finished smooth and designed as to allow free passage to solids. Pump Impeller should be of Non-clog semi open type, single vane / multi vane preferably contra bloc or vortex impeller design. Double mechanical seal with silicon carbide faces should be provided to protect the motor from ingress of sewage along the shaft. The critical speed of the rotor shall be at least 30% above the operating speed. Pumps should have double bearings between the pump & motor. The bearings life shall be minimum 100,000 hrs of operation with greased for life. Pump should be provided with automatic coupling device including pedestal, duck foot bend, stainless steel guide pipe or related accessories of suitable size to facilitate lifting and lowering into guide rails for easy maintenance. The rotating assembly shall be dynamically balanced as per standards. The starting current of the motor shall not exceed 200% of rated full load current for Star / Delta or ATS starting under any circumstances .The motor shall be suitable for full voltage star delta / ATS starting. The locked rotor current of the motor shall not exceed 600% of full load current unless otherwise specified. Motor shall be designed to withstand 120% of rated speed for two minutes without any mechanical damage, in either direction of rotation. The motor vibration shall be within the limit specified in applicable standards. Motor should be of IE2, explosion proof compatible for VFD operation together with star-Delta /ATS starter, protection against increase in stator winding temperature (15 deg Celsius), bearing temperature, leakage in the stator housing and terminal box shall be provided and to be suitably interlocked with the control panel for tripping the pump in case of increase in temperature beyond set limit..(Discharge Upto 20 M3/hour)

Dismantling of existing Plain Cement Concrete including all labour and materials charges etc., complete

Charges for labour to removing silt and bushes from Kuttai, cannel and culverts as complete complying with standard specifications and as directed by the departmental officers.

Transportations charges for conveyance of excavated Earth or sandysoil . including loading, unloading and kept at site at shown place etc., complete.(LMR)

Supply of 100mm G I PIPES (MEDIUM) AS PER IS 1239/PART I/2004 including all cost materials, conveyance labours etc., complete.

Lowering of 100 mm GI Pipes and specials in the trenches and laying to proper grade and alignment and as directed by the TWAD Officers

Supply and delivery of 4.0 sq.mm PVC insulated and sheathed 3 core flat type copper cable confirming to IS 694/1990 complete as directed by depertmental officers.

Supply of special good quality plastic paper rope for deep borewell Submersible motor erection including all cost materials, conveyance labours etc., complete as directed by departmental officers.

Supply of GI specials as per IS 10124-2000 part 1 to 13 including all cost materials, conveyance labours etc., complete.

100 mm Bend

80 mm Hex Nipple

100mm X 80 mm Reducer

Plain Cement Concrete 1:2:4 (one cement, two Crushed Stone Sand (M- Sand) and four coarse aggregates) using 20mm size ISS HBG metal including cost and conveyance of all materials to site and including for the mixing, laying and labour charges etc., complete as per standard specification

Supply and run of 4 of 4 sq.mm. PVC insulated SC unsheathed FRLS copper conductor of 1100V grade on 7 / 20 GI bearer wire for service connection mains (Sd 67)

Providing and laying in position Standardised Concrete Mix M-25 Grade in accordance with IS 456 - 2000 using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement contenet of 350Kg/ cum and maximum water cement ratio of 0.55 including admixture (Plasticiser / super plasticiser) in recommended proportions as per IS 9103 to accelerate, related setting of concrete, improve workability without imparing strength and durability with about (5.0cum), 7730Kg of 20mm machine crushed stone jelly and with about (3.3 cum), 5156kg of 10 - 12mm machine crushed stone jelly and with about (4.79cum) 7670 kg of Crushed Stone sand (M- Sand) but excluding cost of reinforcement grill and fabricating charges centering and shuttering but including laying, vibrating with mechanical vibrators, finishing, curing, etc and providing fixtures like fan clamps in the RCC floor / roof slabs wherever necessary without claiming extra cost etc., complete complying with standard specification and as directed by the departmental officers - The Coarse and Fine aggregates to be used should comply with the requiremnents of IS standards.

Supplying and fabricating and placing in position of MS or RTS rods including cutting bending cranking and tying grills in position etc. complete as per standard specifications.

Supply and delivery and fixing of HDPE tank as per IS 12701 / 1996 including loading, unloading, transportation and labour charges for fixing of the GI pipes and specials for pipe connection works including cutting, threading and fixing charges etc.,

GST. 18% (CGST-9%, SGST-9%)