Rehabilitation of Thillaivilagam Pumping Scheme, Melathondiayakadu Pumping Scheme and Vilangadu Pumping Scheme in Melathondiayakadu Village in Muthupettai Taluk and Vilangadu Village in Thiruthuraipoondi Taluk of Tiruvarur District.

Clearing Scrub jungle and destroying them effectively etc., complete complying with standard specification and as directed by the departmental officers.

Dismantling clearing away and carefully stacking materials useful for re-use for any thickness of walls of Brick / stone masonry in cement mortar walls under 3m height etc., complete complying with standard specification and as directed by the departmental officers.

Dismantling clearing away and carefully stacking materials useful for re-use for any thickness of walls of Brick / stone masonry in cement mortar walls add for every additional 3m or part there of over the intial 3m height etc., complete complying with standard specification and as directed by the departmental officers.

Dismantling clearing away and carefully stacking materials useful for re-use for any thickness of Reinforcement Cement Concrete etc.,complete complying with standard specification and as directed by the departmental officers.

Dismantling clearing away and carefully stacking materials useful for re-use for any thickness of Plain Cement Concrete etc.,complete complying with standard specification and as directed by the departmental officers.

Earth work open excavating for foundation in all kinds of soils and sub soils and depositing on bank with initial lead of 10 m and initial lift of 2m except hard rock requiring blasting to full depth as may be directed inclusive of shoring strutting, bailing out water wherever necessary and refilling the sides of foundation with excavated earth as per standard specification and as directed by the departmental officers.

Earth work excavating for foundation in all kinds of soils and sub soils and depositing on bank with initial lead of 10 m and initial lift of 2 m except hard rock requiring blasting to full depth as may be directed inclusive of shoring strutting, bailing out water wherever necessary and refilling the sides of foundation with excavated earth as per standard specification and as directed by the departmental officers

Supplying and filling with M.sand for foundation and basement in layers of not more than 15 cm thick including watering, consolidation etc., complete complying with standard specification and as directed by the departmental officers.

Providing and placing Plain Cement Concrete M10 grade using crushed broken hard granite coarse aggregate (well graded) of nominal maximum size of 40mm to I.S specified grading (To achieve the specified characteristic strength of 10N/mm2 in28 days) and mixing the ingredients in approved mixer including dewatering of the placement site by bailing / pumping and diverting wherever necessary placing in layers and vibrating, water curing, finishing the surface with all leads and lifts etc., complete complying with standard specification and as directed by the departmental officers.

Providing and placing Plain Cement Concrete M5 grade using crushed broken hard granite coarse aggregate (well graded) of nominal maximum size of 40mm to I.S specified grading (To achieve the specified characteristic strength of 5N/mm2 in 28 days) and mixing the ingredients in approved mixer including dewatering of the placement site by bailing / pumping and diverting wherever necessary placing in layers and vibrating, water curing, finishing the surface with all leads and lifts etc., complete complying with standard specification and as directed by the departmental officers. (foundation) - Mixing by Manual means.

Providing and placing Plain Cement Concrete M5 grade using crushed broken hard granite coarse aggregate (well graded) of nominal maximum size of 40mm to I.S specified grading (To achieve the specified characteristic strength of 5N/mm2 in 28 days) and mixing the ingredients in approved mixer including dewatering of the placement site by bailing / pumping and diverting wherever necessary placing in layers and vibrating, water curing, finishing the surface with all leads and lifts etc., complete complying with standard specification and as directed by the departmental officers (flooring) - Mixing by Manual means.

Supplying and filling for foundation and basement with Gravel in flooring not exceeding 15 cm thick including stacking for premeasurement, well watered, consolidated, rammed, etc complete complying with standard specifications and as directed by the departmental officers

Supplying and erecting steel centering for sides and soffits without strutting for plain surface with all cross bracings using Mild steel sheets of size 90cm x 60cm. Thickness of B.G. 10 stiffened with welded Mild steel angles of size 25 x 25 x 3mm for boarding laid over country wood joists of size 10cm x 6.5cm spaced at 90cm. Center to center etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and erecting steel centering for sides and soffits with strutting upto 3m height for plain surface with all cross bracings using Mild steel sheets of size 90cm x 60cm. Thickness of B.G. 10 stiffened with welded Mild steel angles of size 25 x 25 x 3mm for boarding. laid over country wood joists of size 10cm x 6.5cm spaced at 90cm. Center to center and supported by Casuarina props of 10 to 13cm dia. (spaced at 75cm) center to center etc., complete complying with standard specification and as directed by the departmental officers.

Providing and placing Plain Cement Concrete M15 grade using crushed broken hard granite coarse aggregate (well graded) of nominal maximum size of 20mm downgraded to I.S specified grading (To achieve the specified characteristic strength of 15N/mm2 in 28 days) and mixing the ingredients in approved mixer of the placement site by bailing / pumping and diverting wherever necessary placing in layers and vibrating, water curing, finishing the surface with all leads and lifts etc., complete in all respects so as to attain the profile and strength specified in the approved drawing and specifications, etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and erecting steel centering including necessary supports for plane surfaces for Reinforced Cement Concrete works such as column footings, column pedestals, plinth beams, grade beams, staircase steps, Sill slabs etc. which require only nominal strutting using mild steel sheets of size 90cm x 60cm and 10 BG stiffened with welded mild steel angles of size 25mm x 25mm x 3 mm for boarding, laid with silver oak joists of size 10cm x 5cm & 7.5cm x 5cm as support runner , vertical stiffener, side support and Top Horizontal stiffener spaced at about 60cm to 90cm centre to centre or at suitable intervals etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and erecting centering for plane surfaces such as RCC Floor/Roof Beam, Lintels, Cantilever Beams, Bed Blocks etc., with necessary supports and strutting upto 3.60m height in all floors with all cross bracings using MS Sheets made of 10 gauge thick welded with MS angle of Size 25mm x 25mm x 3mm for boarding laid over Steel adjustable Span of Size 2m x 2m(expandable upto 3.60m) and Silver Oak Joists of Size 10 x 5 cm spaced at 50cm to 60cm c/c and supported by Steel Adjustable Telescopic Props of Size 2m x 2m (expandable upto 3.60m) made with outer steel pipe with dia 50mm (3.60mm thick) and inner steel pipe with dia 40mm (2.90mm thick) Spaced at not more than 50 to 60cm centre to centre. Steel adjustable span and Steel Adjustable telescopic props etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and erecting centering for plane surfaces such as RCC Floor Slab, Roof Slab, Loft, Landing Slabs, etc with necessary supports and strutting upto 3.60m height in all floors with all cross bracings using MS Sheets made of 10 gauge thick welded with MS angle of Size 25mm x 25mm x 3mm for boarding laid over steel adjustable span of size 2m x 2m (expandable upto 3.60m) and supported by Steel Adjustable Telescopic Props of Size 2m x 2m (expandable upto 3.60m) made with outer steel pipe with dia 50mm (3.60mm thick) and inner steel pipe with dia 40mm (2.90mm thick.) Steel adjustable span and Steel Adjustable telescopic props etc., complete complying with standard specification and as directed by the departmental officers.

Providing and laying in position, Standardised Concrète Mix M-30 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 content of 400 kg/m3 and maximum water cement ratio of 0.45 including admixture (plasticiser super plasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrète, improve workability without impairing strength and durability with about (5.0 cu.m.) 7730 kg. of 20mm machine crushed stone jelly and with about (3.30 cu.m.) 5156 kg. of 10 12mm machine crushed stone jelly and with about (4.79 cu.m.) 7670 kg. of sand, but excluding cost of reinforcement grill and fabricating charges, centering and shutterlng and also including laying, vibrating with mechanical vibrators, finishing, curing, etc. and providing the RCC floor/ roof slabs wherever necessary without claiming extra, 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 requirements of IS Standards. (No separate payment will bemade by the Department for the excess usage of materials}.

In foundation and basement

In Ground floor

Supplying and fabrication and placing in position of Mild Steel / Ribbed Tor steel for all RCC works including cost of steel and G.I. binding wire etc., complete complying with standard specification and as directed by the departmental officers.

For Basement level

For Ground level

Providing and placing Plain Cement Concrete M15 grade using crushed broken hard granite coarse aggregate (well graded) of nominal maximum size of 10-12mm to I.S specified grading (To achieve the specified characteristic strength of 15N/mm2 in 28 days) and mixing the ingredients in approved mixer of the placement site by bailing / pumping and diverting wherever necessary placing in layers and vibrating, water curing, finishing the surface with all leads and lifts etc., complete in all respects so as to attain the profile and strength specified in the approved drawing and specifications etc., complete complying with standard specification and as directed by the departmental officers.

Brick work in Cement Mortar 1:6 (one cement and six crushed stone sand) using best quality Fly ash Brick of size 230x110x75mm with class designation of 7.5 conforming to IS 13757-1993 or IS 12894-2002 for foundation and basement including Cost of Mortar Plasticizer, curing, etc., complete complying with standard specification and as directed by the departmental officers. Brickwork shall be done as per IS 2212-1991 adopting English Bond generally.other type of bond etc., complete complying with standard specification and as directed by the departmental officers.

Foundation

Ground floor

First floor

Paving the Top of roof with Solar refelective ceramic tiles of 305x305x7mm thick size approved quality and colour laid in Cement mortar bed in 1:3 (One cement and three crushed stone sand) 12mm thick and pointed with water resistant tile epoxy grout for joint, curing etc., complete complying with standard specification and as directed by the departmental officers. (The make and brand of the tiles should be got approved by the Executive Engineer before use on works)

Plastering with Cement Mortar 1:5 (One cement and Five Plastering sand), 12mm thick in all floors including mortar plasticizer at 200ml per 50Kg of cement used, curing etc. complete complying with standard specification and as directed by the departmental officers.

Special ceiling plastering and finishing the exposed surface of all RCC items of work such as slabs, beams, sunshades, facia, canopy slab, staircase waist slab, landing slab etc., with Cement Mortar 1:3 (One Cement and Three Plastering Sand) 10mm thick including mortar plasticizer at 200ml per 50Kg of cement used , hacking the surfaces and curing, etc., in all floors complying with standard specification and as directed by the departmental officers

Painting two coats of newly plastered wall surface with ready mixed plastic emulsion paint of first class quality and of approved colour over a priming coat including thorough scrapping, clean removal of dirt, and including necessary plaster of paris putty, wherever required etc., complete complying with standard specification and as directed by the departmental officers.

Painting the wall two coats with approved weather proof Exterior Emulsion paint over one primer coat on cement plastered wall surface ect., complete complying with standard specification and as directed by the departmental officers.

Painting new iron work with three coats of synthetic enamel paint of approved colour and quality over the existing primary coat in all floor including the cost of paint etc., complete complying with standard specifications and as directed by the departmental officers. (The paint to be used should be got approved by the Executive Engineer before use on the work).

Manufacturing supplying and fixing of Fully Panelled steel door with the following specification MS angels of size 40x40x6mm are used for the outer frames and M.S. angles of size 35x35x5mm for the shutter frames, stiffeners with 32 x 6mm M.S flat is provided at required intervals in the shutter frame. 18-gauge C.R. sheet laid as panel in the shutter and welded intact. M.S. flat 18 x 5mm is welded over the 32 x 6mm M.S. flat sandwitching the C.R. sheet in between additional stiffeners with 1 8x 5mm M.S. flat is provided diagonally at the rear side of the shutter. 3nos. of Steel Parliament Hinges of Size 125mm x 150mm in case of single leaf and 6nos. of Steel Parliament Hinges of Size 125mm x 150mm in double leaves shutter to be provided. 6nos. of holdfasts 200 mm in length made of angle section spliced at the ends are welded to the outer frames of the door. Tower bolts 3 nos, one at the top, one at lock rail(Inner) and the other at the bottom are provided 1no. Aldrop is provided at lock rail section in the door 2 Nos of 200mm handle are to be provided. One rotaing locking arrangements for the inner side of the door and additional provision for locking arrangements for lock is provided on the rear side of the door at an appropriate place. Incase of double leaf door M.S.Flat 32 x 3mm at 1.1Kg/m is provided on the one shutter t conceal the gap between the two shutters. at an appropriate place in the door. A tie bar is provided at the bottom of the frame to prevent twisting of frame during transportation and fixing. All members are given a coat of red oxide primer as directed by the departmental officers. The rate includes cost of all materials, labour charges, transportation to site of work, loading, un loading and all other incidental charges etc., complete complying with standard specification and as directed by the departmental officers. (Single leaf of size 1.00m x 2.10m.)

Single leaf

Fabricating, Supplying and fixing in position of steel sheeted windows (Two Leaves) with the following specifications. Outer frames of windows made of ‘Z’ section F7D of size 33 x 25 x 3mm at 1.419 kg/ m and mullion ‘J’ section (F4B) of size 46x25x3mm at 2.28kg/m and shutter section of made of F7D of 33x25x3mm at 1.419 kg/m as specified in IS 7452/1990. Each openable shutter should not exceed a width of 600mm to enable separate operations and easy maintenance. The panel of the shutters to be covered with 18 gauge cold rolled sheet of superior quality and welded intact with shutter frames. Horizontal stiffeners using 18x5mm MS Flat at 0.70kg/m at 3 Nos. for each shutter and additional diagonal stiffeners of the same MS flats at all the four corners of each shutters to the suitable length welded to the shutters, for holding the CR Sheets in position firmly. 2 numbers of Steel Offset Pivot hinges of size 3” and one number of handle-Cu.m-latch of special type made with 18x5mm MS flats are revetted to the shutters at an appropriate height in window. suitable opening is left for its easy operation.a stopper square rod for handle is provided in the mullion section at suitable place to catch the window handle. each window shutter having an adjustable stay made out of 18 x 5mm at 0.70 kg/ m MS flat of length 320mm with three adjustable position. A matching peg is provided in the outer frame of the window at suitable place. 4 Nos. of hold fasts of 200mm length spliced at the ends are welded to the outer frame of the window by using MS flat of 18x5mm at 0.70kg/m, welded to the shutter at two place equivalent from each from top and bottom of the shutter. An MS square bar of 12mm size is welded to the inner face of the window at an equal interval not exceeding 100mm edge between them. All members are painted with one coat of anti-corrosive red oxide primer as directed by the departmental officers. All sections should be in confirmed with IS 7452/1990.The cost includes cost of all materials, labour charges and other incidental charges, etc., complete complying with standard specification and as directed by the departmental officers.

Fabrication, supply and fixing in position of ‘N’ type ventilators using M.S. angle of size 25 x 25 x5 mm for frame and M.S. Flat of size 20 x 3 mm for fixing the weld mesh and using 25 x 22 x3 mm ‘T’ section for frame glass. Special type of Hold fast welded to the frame of 45 degree inclined towards centre for wall and fxing the weldmesh 25mm square including cost of 3mm thick pinheaded glass panes for all panels and fixing the glass panels with necessary clips & 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 extend required and made good to the original conditions after fising etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and erecting pull and push type rolling shutter with ISI make of approved size and section using 18 GI sheet. The shutter shall be painted with one coat of red oxide primer and the rate is inclusive of hood covers, transportation charges etc., complete complying with standard specification and as directed by the departmental officers. Manually operated (up to 8 m2 area)

Supplying and fixing in position best approved of BIS quality PVC rain water down fall pipes having a pressure of 4 kg. / sq.cm including cost of necesarry PVC shoe, PVC bend, cast iron gratings of required diameter and special clamps, brass screws, nails, etc., and fixing of cast iron gratings at junction of parapet and the RCC roof slab including finishing neatly etc., complete. The rate shall be inclusive of cast of removable cast iron grating. The PVC pipe shall be fixed in wall with special type of “U” clamp at the centre of the pipe line in addition to those for more than 3.0 metre pipe length, etc., complete complying with standard specification and as directed by the departmental officers

110mm dia PVC Pipe One Floors

Earth work excavating and depositing on bank with initial lead of 10m and initial lift of 2m in hard stiff clay, stiff black cotton, hard red earth, shales, muram, gravel, stoney earth and earth mixed with small sized boulders etc., complete complying with standard specification and as directed by the departmental officer.

Dewatering using 5 HP Diesel Engine pumpset including Hire charges,cost of Diesel Engine oil, Pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidential charges etc., complete complying with standard specification and as directed by the departmental officers.

Fabricating, Supplying and erection of Screw gearing steel shutters of size above 1.00 m and upto 2.00m width consist of skin plate made out of 8mm thick mild steel plate and horizontally stiffened with 100x50mm mild steel channel at an interval not more than 0.50m and vertical stiffeners made out of same section at an interval not more than 0.60m and provided with 8mm thick mild steel gusset plate of required size on both sides fastened with rust free bolts and nuts etc. Conveying the fabricated shutter by using lorries including loading, unloading and leading the shutter to the vent. Dismantling the eroded shutter and shuttering arrangements by using necessary gas cutting equipment. Erecting the new shutter and the shuttering arrangements in the vent in proper position by using necessary hoisting equipment. The shutter shall be painted with two coats of Anticorrosive black paint over one coat of Red Oxide Primer. The rate including cost of materials consumables, labours power charges, conveyance charges for all equipment required conveying the dismantled materials to the section stores, cost of petty civil works, trial operation of shutter and warranty for 5 years etc.,complete complying with standard specification and as directed by the departmental officers.

Fabricating, Supplying and erection of Screw gearing steel shutters of size above 2.00 m and upto 3.00m width consist of skin plate made out of 10mm thick mild steel plate and horizontally stiffened with 150x75mm ISMB 150 at an interval not more than 0.50m and vertical stiffeners made out of 100x50mm mild steel channel ISMC at an interval not more than 0.60m and provided with 10mm thick mild steel gusset plate of required size on both sides fastened with rust free bolts and nuts etc. Conveying the fabricated shutter by using lorries including loading, unloading and leading the shutter to the vent. Dismantling the eroded shutter and shuttering arrangements by using necessary gas cutting equipment. Erecting the new shutter and the shuttering arrangements in the vent in proper position by using necessary hoisting equipment. The shutter shall be painted with two coats of Anticorrosive black paint over one coat of Red Oxide Primer. The rate including cost of materials consumables, labours power charges, conveyance charges for all equipment required conveying the dismantled materials to the section stores, cost of petty civil works, trial operation of shutter and warranty for 5 years etc.,complete complying with standard specification and as directed by the departmental officers.

Fabricating, Supplying and fixing of Top Beam made up of 150x75mm (ISMB 150) duly drilled to suit the Head Set Assembly with required bed bolt made out of 25mm mild steel round rod duly threaded with suitable anchorage arrangements to a height of 0.60m with necessary Fish plate made out of 12mm mild steel plate of size 0.30x 0.15m 2 Nos with required holes.Conveying and leading the top beam arrangements to the work site. Fixing the top beam arrangements at the top of the vent in correct position including dismantling the existing eroded top beam, conveying and stacking and the section stores. The top beam should be painted with two coats of AC black paint over one coat of Red Oxide primer. The Rate including cost of materials, labours, charges for all fabricating and hoisting equipments, cost of petty civil works conveyance charges for labours and materials and warranty for 5 years etc., complete complying with standard specification and as directed by the departmental officers.

Fabricating, Supplying and fixing of Top Beam made up of 200 x100mm (ISMB 200) duly drilled to suit the Head set Assembly with required bed bolt made out of 25 mm Mild Steel Round rod duly threaded with suitable anchorage arrangements to a height of 0.60m with necessary Fish plate made out of 16mm Mild Steel Plate of size 0.20 x 0.30m 2 nos. with required holes. Conveying and leading the top beam arrangements to the worksite. Fixing the top beam arrangements at the top of the vent in correct position including dismantling the existing eroded top beam, conveying and stacking and the section store. The top beam should be painted with two coats of AC black paint over one coat of red oxide primer. The rate including cost of materials, labours, charges for all fabricating and hoisting equipments, cost of petty civil works conveyance charges for labours and materials and warranty for 5 years etc., complete complying with standard specifications, and as directed by the departmental officers.

Fabricating supplying and fixing of shutter Groove Angle made up of 65 x 65 x 6 mm Mild Steel angle for required height including welding hold fast of size 25 x 25 x 6 mm Mild steel angle 2 Nos on both sides, conveying and leading the groove angle to the vents. Fixing the angle to the grooves in proper alignment including dismantling the existing damaged groove angles, conveying and stacking at section store. The Groove angle should be painted with two coats of Anticorrosive black paint over one coat of red oxide primer. The rate including cost of materials, consumables, labours, charges for all fabricating and hoisting equipments, conveyance, petty civil works and warranty for 5 years etc., complete, complying with standard specification and as directed by the departmental officers.

Fabricating, supplying and fixing of shutter Groove angle made up of 100 x 100 x 10mm Mild steel angle for required height including welding hold fast of size 40x 40 x 6mm Mild steel angle of 3 Nos on both sides conveying and leading the grooves to the vents. Fixing the angle to the grooves in proper alignment including dismantling the existing damaged groove angles, conveying and stacking at section store. The Groove angle should be painted with two coats of AC black paint over one coat of red oxide primer. The rate including cost of materials, consumables, labours, charges for all fabricating and hoisting equipments, conveyance, petty civil works and warranty for 5 years etc., complete complying with standard specifications and as directed by the departmental officers.

Fabricating, supplying and fixing of 63mm dia Screw Rod made up of Mild Steel duly machined and fully threaded to suit the Head set Assembly and provided with required holes. Conveying and leading the screw rod to the worksite. Fixing the screw rod to the shutter gusset plate with required bolt and nut in proper alignment to the head set including dismantling the existing damaged screw rod,conveying and stacking at section store. The Screw rod should be painted with two coats of AC black paint over one coat of red oxide primer. The rate including cost of materials, labours, charges for all fabricating and hoisting equipments, conveyance charges for labours and materials and warranty for 5 years etc., complete complying with standard specification and as directed by the departmental officers.

Fabricating, supplying and fixing of 80mm dia Screw Rod made up of Mild Steel duly machined and fully threaded to suit the Head set Assembly and provided with required holes. Conveying and leading the screw rod to the worksite. Fixing the screw rod to the shutter gusset plate with required bolt and nut in proper alignment to the head set including dismantling the existing damaged screw rod,conveying and stacking at section store. The Screw rod should be painted with two coats of AC black paint over one coat of red oxide primer. The rate including cost of materials, labours, charges for all fabricating and hoisting equipments, conveyance charges for labours and materials and warranty for 5 years etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and fixing of Head Set Assembly Medium duty with hexagonal nut (approximate 70 Kg) made up of cast iron including moulding, machining and the hexagonal nut threaded to suit the Screw Rod provided with thrust bearings for smooth operation. Conveying and leading the head set assembly to the work site. Fixing the head set assembly to the top beam by using required rust free bolts bolts and nuts in proper alignment including dismantling the existing damaged Head set assembly, conveying and stacking at section store. The Head set assembly supplied with operating key and the both should be painted with two coats of Anticorrosive black paint over one coat of red oxide primer. The rate including cost of materials, labours, charges for wooden pattern, moulding and charges for labours and materials and warranty for 5 years etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and fixing of Head Set Assembly heavy duty with hexagonal nut (approximate 120 Kg) made up of cast iron including moulding, machining and the hexagonal nut threaded to suit the Screw Rod provided with thrust bearings for smooth operation. Conveying and leading the head set assembly to the work site. Fixing the head set assembly to the top beam by using required rust free bolts and nuts in proper alignment including dismantling the existing damaged Head set assembly, conveying and stacking at section store. The Head set assembly supplied with operating key and the both should be painted with two coats of AC black paint over one coat of red oxide primer. The rate including cost of materials, labours, charges for wooden pattern, moulding and charges for all machining equipments, conveyance charges for labours and materials and warranty for 5 years etc., complete complying with standard specifications, and as directed by the departmental officers.

Providing protection arrangement to the cistern and the submersible motor parts as per the following specification. The main vertical post along the periphery of the platform shall be made of ISA 75x75x6 mm to a height of 2350 mm at upstream and downstream side and at an interval of 2000 mm from each other. The connecting members at the top of the vertical post shall be made of 75x8 mm MS flat of length 1.65. The top portion of the protection made with horizontal two number of 20 mm GI B Class pipe with 2 ' X 1 ' Weld mesh frame made bye 25x25x6 mm MS angle and weld mesh fixed with 25x6 mm MS cover fcover flate. Horizontal barricade at both side made up of 20 mm dia B class GI pipe and protection gril of size 2000 x 2350 mm made with 2'x1' weld mesh with 25 x 25 x 6 mm MS angle required interval and the weld mesh fixed with 25x6 mm MS cover flats. The protection angle cutting to the required size and the angle should be drilled for 22 mm dia by drilling machine at an required intervals and the GI pipe it is to cut appropriate length by using cutting machine at work shop. the angle and pipe conveyed from the work shop to work site by using loorries and unloaded at site of work. The angle is to be fixed on the top of the platform in vertical position and weld with welding machine operated with power generator. The GI Pipe is to be fixed through the holes provided in the angle and extented with GI Specials . The GI pipes is welded at all holes rigidly with power elecrodes. This protective weld mesh frames shall be welded to the vertical post of new structure. All steel members shall be mechanically cleaned and given a coat of zing with with horizontal chromate enamal primer over wich a coat of aluminium enamel paint shell aplied. The cost includes cost of all meterials process charges like gas cutting welding manual labour charges for equipements powerr charges loading lifting unloading transport erection hire charges risk allowance for working at a hight of more than 3 m conveyence of equipments and manual manual labour to site clearing then after comletion of work complete copmlying with standard specification and as directed to the departmental officers.

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).

20 HP Submersible non clog pumpset mixed / axial flow centrifugal pump (WD-M2085)

25 HP Submersible non clog pumpset mixed / axial flow centrifugal pump (WD-M2087)

20 HP Submersible non clog pumpset mixed / axial flow centrifugal pump (WD-M2089)

15 HP Submersible non clog pumpset mixed / axial flow centrifugal pump (WD-M2089)

Supply and delivery of Fully Automatic Auto Transformer Starter suitable for the motor offered. Floor mounting type air/ oil cooled Auto Transformer Starter with tapings at 50%, 65%, 80%, housed in robust steel chamber with arc and main contacts confirming to IS 8544 Part IV and as amended therafter for operation in AC three Phase 50 Hz (+/- 5%), 415V (+/- 10%) with the following components, under voltage release with no volt coil, over load relay with dash pot arrangements, single phasing preventor, LED ON/ OFF switches, Mounted Ammeter, Earth leakage relay, contactor assembly suitable for next standard KW rating, in coming and out going cable entry provisions, transformer tank including first filling of oil etc., complete complying with standard specifications, and as directed by the departmental officers. -25 HP (WD-M1952)

Automatic Auto Transformer Starter 25 HP

Automatic Auto Transformer Starter 20 HP

Supply and delivery of the following sizes of DIPN10 flanged pipes as per standard specification IS 8329/2000 , as specified in technical specification in standard length including labour charges for loading, unloading and stacking at site etc and as directed by Twad Board Officers - 300 mm DI PN10 flanged pipes (WD-M0655)

300 mm DI PN10 flanged pipes (WD-M0655)

250 mm DI PN10 flanged pipes (WD-M0654)

Delivery side bend 300 mm dia. (1 Bend 69 Kg ) (WD-M0787)

Labour charges for the erection of submersible pumpset in borewell/openwell including fixing and jointing submersible cable with proper clamps upto the starter to required depth and also fixing of riser pipes to the required depth valves erection clamps, pressure gauges upto the exterior wall of pump room and erection of panel board consisting of TPICN switches starter,Voltmeter, Ammeter, three pilot (indicating) lamps capacitor single phasing preventor, water level guard and laying and jointing the cables and twin earthing as per IE rules etc., complete and testing the pumpset and trail run for 10 days as directed by the departmental officers (WD-W0874)

Supply and delivery of DI electric Capacitor KVAR with TNEB test certificate with acceessories confirm to IS 2834 and rate is inclusive of banking charges such as providing of copper bus bars with provision of adding at least 2 capacitors at later date, cable entry box , fabricating chargese The rates are basic rates with inclusive of handling charges as directed by the departmental officers.

10 KVAR (10X286.00 = 2860/-)

Supply and delivery of floor mounting cubical type vermin and dust proof powder coated M.V. panel board made of 14 SWG MS sheet & MS angle iron frame work with enclosed 4 Nos of Aluminium bus bar of Electrolyte grade E.91,PVC sleeved of suitable size for phase and netural with hinged front door and railway type lock and key arrangements.The bus bar shall be of ample current carrying capacity with all interal wiring as per IE rules and as per IS 8633 and as per safty requirements of CEIG. The desgin of panel board should facilitate for quick operation of all switches from the front side. The panel board should be completed with all interal wiring including necessary twin copper earthing arrangements and consists of the componets for controlling incoming and out going supply rate inclusive of fabrication charges (for thillaivilagam pumphouse-vide seperate sheet enclosed) as directed by the departmental officers.

Supply and delivery of floor mounting cubical type vermin and dust proof powder coated M.V. panel board made of 14 SWG MS sheet & MS angle iron frame work with enclosed 4 Nos of Aluminium bus bar of Electrolyte grade E.91,PVC sleeved of suitable size for phase and netural with hinged front door and railway type lock and key arrangements.The bus bar shall be of ample current carrying capacity with all interal wiring as per IE rules and as per IS 8633 and as per safty requirements of CEIG. The desgin of panel board should facilitate for quick operation of all switches from the front side. The panel board should be completed with all interal wiring including necessary twin copper earthing arrangements and consists of the componets for controlling incoming and out going supply rate inclusive of fabrication charges (for vilangadu and melathondiyakadu pumphouse-vide seperate sheet enclosed) as directed by the departmental officers.

Supply and delivery of wall mounted cubical type EB meter Box of required size with 3 compartments made of 14 SWG MS sheet, Aerial Board, fuse carrier-6Nos, CT for energy meter with copper bus bars,necessary clamps and other allied works to avail the EB power supply for pump room as directed by the departmental officers.

Supply and delivery of heavy duty 1.1 KV grade 3.5 x 95 sq.mm-armoured aluminium conductor XLPE insulated pvc sheathed cable as per IS 7098 (Part I) to be laid in between EB pole - Meter Box - M.V. panel as directed by the departmental officers.

Jointing of the above L.T. cables 3.5 core X150mm -1.1 KV grade Armoured Aluminium conductor cable confirming to IS1554 Part I with ISI marking including jointing materials lugs,clamps,etc., as directed by the departmental officers.

Supply and delivery of heavy duty 1.1 KV grade 3.5 x 35 sq.mm-armoured aluminium conductor XLPE insulated pvc sheathed cable as per IS 7098 (Part I) to be laid in between M.V. panel-Starter as directed by the departmental officers.

Jointing of the above L.T. cables 3.5 core X 35mm -1.1 KV grade Armoured Aluminium conductor cable confirming to IS1554 Part I with ISI marking including jointing materials lugs,clamps,etc., as directed by the departmental officers.

Supply and delivery of heavy duty 1.1 KV grade 4 x 10 sq.mm-armoured aluminium conductor XLPE insulated pvc sheathed cable as per IS 7098 (Part I) to be laid in between M.V. panel-Capacitor as directed by the departmental officers.

Jointing of the above L.T. cables 4core X10mm -1.1 KV grade Armoured Aluminium conductor cable confirming to IS1554 Part I with ISI marking including jointing materials lugs,clamps,etc.,as directed by the departmental officers.

Laying the above cable as per IE rules inside the pumproom or in air as directed by the departmental officers.

Laying cable(EB pole to metre box to MV Panel board)

Laying cable (MV Panel board to starter)

Laying cable (MV Panel board to Capacitor)

Supply, Delivery and Fixing of the following items for obtaining Service Connection from E.B.Pole as directed by the departmental officers.

150 mm GI SERVICE PIPE to a length of 3m

150mm GI bend-3Nos

150mm GI Coupling-3Nos

Twin GI Earthing as per IS 3043/1987 and I.E. rules including Earth pit (2 pits) with RCC slab and other civil works complete as directed by the departmental officers.

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