Tiruppur Corporation_Construction of Sewerage Lifting Station and Supply and Erection of Pumpsets to Slum Clearance Board Apartment in Chettipalayam in ward No1

Amount

Earthwork excavation for foundation in all soils and sub soils except in hard rock requiring blasting and depositing on bank with initial lead of 10m and initial lift of 2m inclusive of shoring, shuttering, bailing out water wherever necessary, refilling the foundation with excavated earth other than sandy soil in layers of not more than 150mm thick layers well rammed and depositing the surplus earth within the compound in place shown by the departmental officers and clearing and levelling the site etc,. complete.

Earthwork excavation for foundation in Soft Disintegrated Rock Laterite, Soft Rock or Kankar not requiring blasting etc., and sand, silt or other loose soil, wet sand or silt not under water, light black cotton soil, sandy loam ordinary soil except in hard rock requiring blasting inclusive of shoring, shuttering and bailing out water wherever necessary, refilling etc., complete complying with standard specification.

Earthwork excavation for foundation in Medium Rock and Dense Medium Rock not requiring blasting etc., and sand, silt or other loose soil, wet sand or silt not under water, light black cotton soil, sandy loam ordinary soil except in hard rock requiring blasting inclusive of shoring, shuttering and bailing out water wherever necessary, refilling etc., complete complying with standard specification.

Removing hard rock by wedging, chiselling and trimming to proper shape where blasting is prohibited etc., complete complying with standard specification.

Plain Cement concrete 1:4:8 [one cement, four M-sand and eight course aggregates] using 40mm size Hard Broken/Machine crushed Granite Stone Jelly including dewatering if found necessary and laid in layers of not more than 15cm thick and compacted etc., complete complying with standard specification.

Supplying and erecting centering for soffits of Cicular Columns & Curved Surface including strutting 3m high using mild steel sheets of size 90cm x 60cm and BG 10 stiffened with M.S angles of size 25mm x 25mm x 3mm laid over silver Oak (C.W) joists of size 10cm x 6.5cm (spaced at about 90cm c/c) and supported by casurina props of 10cm to 13cm dia (spaced of 75cm c/c) etc., complete complying with standard specification.

Reinforced cement concrete 1:1½:3 [one cement, one and half M-Sand and three course aggregates] using 20mm size Hard Broken/Machine crushed Granite Stone Jelly for all RCC items of works excluding centering, shuttering and cost of reinforcement, including curing, fixing fan clamp and fixtures if necessary etc., complete complying with standard specification.

Supplying, fabricating and placing in position of Steel Reinforcement using Mild Steel or Ribbed Tor steel bars for reinforcement to all RCC works as per the design given including cost of steel and binding wire also in all floors etc., complete complying with standard specification.

Supply and Fixing of 600mm X 600mm SFRC Manhole Cover with frame and locking arrangements as directed by the Departmental Officers

Supply and Fixing of PVC mould CI Steps for Sump as directed by the Departmental Officers

Filling in foundation and basement with excavated earth (or) soil in layers of not more than 15cm thick well rammed, watered and compacted etc., complete complying with standard specification.

Conveyance of excavated earth to a lead of 0 to 5 Km including cost of loading, transporting etc., complete complying with standard specification.

Fly Ash Brick work In CM 1:5 mix using best Fly Ash Bricks of size 230 x 110 x 70mm including finishing, curing etc., complete complying with standard specification.

Ceiling Plastering with cement mortar 1:3 mix (one cement three P-sand), 10mm thick in all floors for RCC slabs, Beams, Sunshades including packing, providing cement mortar beading for sunshades, staircase steps, landing slabs etc., as directed by the departmental officers etc., complete complying with standard specifications.

Plastering with cement mortar 1:5 mix (one cement five P-sand), 12mm thick in all floors using clean screened M-Sand and including cost of curing for fifteen days from the completion of the work and surface should free from undulations and including the cost of preparing the surface for plastering and protecting from other damages till setting of mortar etc., complete complying with standard specification.

Fabricating supplying & fixing of M.S Doors with single / two leaves with outer frame 40x40x6mm Angle, shutter frame 35x35x6mm Angle, MS sheet 20 gauge intermediate stiffener 'T' section 25x25x6mm, panel should be covered with 20 gauge M.S sheet with necessary Tower Bolt 30cm length, butt hinges, hold fast, aldrop and handle on both sides etc., complete with one coat of red oxide primer.

Manufacturing supplying and fixing in position of Steel Window with openable shutter frame made out of steel sections confirming to IS 7452/1982. The outer frames of windows made out of 'Z' section (F7D) of size 20x20x3mm confirming to IS 7452/1982. Mullions are made out of (F4B) 'T' section of size 46x25x3mm confirming to IS 7452/1982. The shutters are individual and each of them can be operated separately. Sash bars are made of 'T' section (T2) of size 25x22x3mm. 2 Nos of sturdy hinges and one number of handle cum ratch of special type are fixed for each openable shutter. Suitable opening is left for its easy operation. One number of window adjustable string with fixing bracket of sufficient length are provided for each shutter 4 No of 40x40x3mm angle fold fasts of 230mm length are welded to the frames at appropriate point. M.S square bars of 12mm size is welded to the inner face of the window at equal intervals not excluding 10cm spacing. All members are painted with one coat of red oxide of primer. The rate is inclusive of each of all materials, labour charges for fixing, one coat of primer, welding charges, transportation to the site of work, loading, unloading and all other incidental charges etc., complete.

Fabrication, supplying and fixing in position of 'N' type ventilators using MS angles of size 25x25x5mm for frame and MS tee of size 25x25x3mm MS flat of size 20x3mm for fixing the weld mesh. Special type for hold fast welded to the frame of 45 degree inclined towards centre for wall and fixing the weldmesh 25mm square, including cost of 3mm thick pin headed glass panes for all panels and fixing the glass panels with necessary clips and putties with required bolts, nuts and washers and one coat of red oxide primer etc., including necessary dismantling making holes in RCC columns, beams, masonry wherever necessary with power drill to the extent required and made good to the original conditions after fixing as directed by departmental officers.

White washing two coats with freshly burnt white shell lime in all floors including cost of lime, blue powder, fevicol type gum, brushes, scaffolding charges etc., complete complying with standard specification.

Painting two coats with ready mixed Plastic Emulsion paint (weather proof) of approved quality and colour over a priming coat, including thorough scraping, clean removal of dirt and including necessary plaster of paris, putty wherever required etc., complete as per standard specifications.

Painting two coats for New iron work surface using best quality synthetic enamel paint etc., complete complying with standard specification.

Supply of Pumpsets, Electro Mechanical Items and Erection

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. Pump shall be provided with a stainless steel lifting chain conforming to BS 970 Gr 304. Pump speed shall be of 9600 rpm for high duty pumps and 960/1450 rpm for low duty pumpsets. Casing and impeller should be of CI Gr. FG 260:IS210 more preferably with hardened impeller.Shaft should be of stainless steel AISI 410. All the fasteners and bolts shall be of AISI 410.The submersible motor shall be operated with 3ph, 415 V(+or– 10%), 50Hz(+or-5 %) dry induction type. Motor shall be capable of giving rated output without reduction in the expected life span when operated continuously. 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. Insulation class shall be of “Class H” and degree of protection shall be of IP 68 as per IS 4691. Motor shall be suitable for continuous operation in fully submerged or partially submerged condition.The pumpset shall be supplied with power cable of PVC insulated and PVC sheathed, copper, flexible, round type with required conductor size and number of cores as per starting method and of specified length for continuous use under water and air. The control cable of PVC insulated, PVC sheathed, flexible for stator winding temperature sensor 3core x 1.5 sq.mm copper conductor and for bimetallic switches 2core x 1.5 sqmm copper conductor shall be provided. Motor shall be supplied with 10m of round submersible copper cable of suitable size.The non clog submersible pumpset shall be provided with suitable starter control panel having all protections as mentioned above. (upto 5 HP - DOL Starter, above 5 HP to 25 HP -Star Delta Panel and beyond 25 HP shall be ATS) (Discharge 100 to 200 M³ / Hour above 15m upto 20 m head)

Supply and fixing of LT METERING BOX as per IE rules and TANGEDCO norms Up to 50HP/37 KW (which includes LT meter panel board, 6 Nos. suitable fuse carriers.

Supply and delivery and laying of following LT Cables and Copper Cables as directed by the Departmental Officers

4 Core x 4 Sq.mm L.T. CABLE

2.5 sq.mm 3 Core Flat Type Copper Cable

Twin CI Earthing as per IS 3043/1987 Upto 25 HP installation as directed by the Departmental Officers.

Supply and dellivery of 100mm CI D/F Sluice Valve with cap/ wheel as per IS 14846/2000 PN 1.0 with ISI marking and with 5 years warranty as directed by the Departments Officers

Supply and delivery of 100mm Non Return Valve conforming to IS and with 5 Years warranty as directed by the Departments Officers

Supply and delivery of 100mm C.I. Double Air Valve as per ISI 14845/2000 and with 5 Years warranty as directed by the Departments Officers

Supply and Delivery C.I D/F Pipes as per IS 7181/1986 & IS 1537/1996 and Cast Iron D/F Specials as per IS 1538/1993 specification.

Suction Side - 100mm

100mm CI D/F Pipe - 2m Length

100mm CI D/F Pipe - 1m Length

100mm CI 90 Degree D/F Bend

100mm CI D/F - 0.50m Length

150mm x 100mm CI D/F Taper

Delivery Pipe - Common Header - 150mm

150mm x 150mm x 150mm D/F Tee

150mm CI D/F Pipe - 0.50m Length

150mm CI Flanged Dummy

150mm CI 90 Degree D/F Bend

150mm CI D/F Pipe - 2.00m Length

150mm CI D/F Duck Foot Bend

150mm CI Flanged Socket Tail Piece

150mm 150mm dia Pressure Gauge including all accessories as per specification (For Suction and Delivery to be mounted on wall on Teak Wood Board)

Add G.S.T. @ 18%

MASTER MIND (BID ID -1322411)