Construction of Interception and Diversion work for 12.4 km length for Sewage Treatment Plant under SBM 2.0 at Gudalur C Municipality Coimbatore District

Amount

Earth work excavation for foundation by Mechanical means for Isolated & Combined Footing etc in all soils and sub-soils and to full depth as may be directed except in rock requiring blasting inclusive of shoring shuttering, bailing out water wherever necessary and depositing the surplus earth within the compound in places shown by the departmental officers with an initial lead of 100 mts and clearing and levelling including dressing of sides and raming of bottoms etc., complete complying with standard specification and as directed by the departmental officers.- Upto 2.40m Footing Depth.

Earth work excavation and depositing on bank with initial lead of 10 m and lift of 2 M in narrow trenches having bed width 1.25m & below for laying of pipes for water supply and sewerage works in the following type of soils as directed by Departmental officers. Sand, silt or other loose soil, wet sand or silt not under water light black cotton soil, sandy loam and ordinary soil.SS20B(160MM DIA PVC PIPE)

Plain Cement Concrete 1:2:4 (one cement, two crushed stone sand and four hard broken stone jelly) using 20mm jelly for wearing coat including laying, compacting, finishing and curing, etc., complete as per standard specificatins and as directed by the departmental officers.-Mixing by mechanical means

Supply and delivery of following sizes of C.I. Spun pipes as per IS: 1536/2001 Amendment No.3.July 2008, at the site of work etc., complete and as directed by Engineer in charge. (TWAD SOR 2024-2025, Pg 7) 1)160MM dia pvc pipes

Lowering pvcPipes and specials in the trenches and laying to proper grade and alignment and as directed by the Department Officers. (TWAD SOR 2024-2025)(WD-W0426)

Earth work excavation and depositing on bank with initial lead of 10 m and lift of 2 M in narrow trenches having bed width 1.25m & below for laying of pipes for water supply and sewerage works in the following type of soils as directed by Departmental officers. Sand, silt or other loose soil, wet sand or silt not under water light black cotton soil, sandy loam and ordinary soil.SS20B (TWAD SOR 2024-2025) 110MM DIA HDPE

140MM DIA HDPE

180MM DIA HDPE

250MM DIA HDPE

280MM DIA HDPE

Supplying and conveying to site, the following sizes of HDPE pipes of class PN6 (PE-100) & DI class K7 pipes confirming to IS:4984/1995, as specified in Technical Specifications in standard lengths including labour charges for loading, unloading and stacking at site and transportation charges etc., complete as per standard specifications and as directed by the Engineer in Charge(TWAD SOR 2024-2025) 110MM DIA HDPE

140MM DIA HDPE

180MM DIA HDPE

250MM DIA HDPE

280MM DIA HDPE

Lowering HDPE pipes, DI pipes and specials to trench and laying to proper grade and alignment and as directed by the Department Officers(TWAD SOR 2024-2025) 110MM DIA HDPE

140MM DIA HDPE

180MM DIA HDPE

250MM DIA HDPE

280MM DIA HDPE

Jointing HDPE, DI Pipes and Specials by butt fusion welding / electro fusion welding joints using fusion equipment as per ISO 21307-2011 and as per IS 7634 (part-2) : 2012 including cost of hire charges for butt fusion equipment power supply arrangements etc., complete as per directed by Department Officers. (TWAD SOR 2024-2025) 110MM DIA HDPE

140MM DIA HDPE

180MM DIA HDPE

250MM DIA HDPE

280MM DIA HDPE

Supply, delivery of HDPE Specials As Per IS 1736-1995 including unloading, transportation and stacking charges. Specials for HDPE pipes as per IS 8360/1977/Part 1(Reaffirmed 1992) Part II and III(Reaffirmed 2002). Reaffirmed to IS 4984-2016 conveyance to work site etc., complete as directed by the Engineer in charge Equal Tees ((TWAD SOR 2024-2025)

110MM DIA HDPE

140MM DIA HDPE

180MM DIA HDPE

250MM DIA HDPE

280MM DIA HDPE

Bends - 90 Degree Bend PN6 (TWAD SOR 2024-2025) 110MM DIA HDPE

140MM DIA HDPE

180MM DIA HDPE

250MM DIA HDPE

280MM DIA HDPE

End Caps (TWAD SOR 2024-2025) 110MM DIA HDPE

140MM DIA HDPE

180MM DIA HDPE

250MM DIA HDPE

280MM DIA HDPE

Refilling the trenches with excavated earth (other than sand) in layers and watering, ramming and consolidation as per standard specification etc complete and as directed by Engineer in charge (TWAD SOR 2024-2025) 110MM DIA HDPE

140MM DIA HDPE

180MM DIA HDPE

250MM DIA HDPE

280MM DIA HDPE

Refilling with excavated earth other than sand with an initial head load of 100 mts. and depositing the earth as shown by the departmental officers in layers well rammed, watered and consolidated etc. complete complying with standard specification

Cement Concrete 1:5:10 (One Cement, Five crushed stone sand and Ten hard broken stone jelly) using 40 mm gauge hard broken granite stone jelly for foundation including dewatering wherever necessary and laid in layers of not more than 15 cm thick well rammed, consolidated and including curing etc. complete complying with standard specification and as directed by the departmental officers -Mixing by mechanical means

Supplying and filling in foundation, basement, etc with conveyed earth in layers of not more than 150mm thick layers well watered, rammed with surface vibrator and consolidated including conveyance charges 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 in all floors complying with standard specifcation. (Payment for centering shall be given after the concrete is laid).

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) , etc complete complying with standard specifications. Steel adjustable span and Steel Adjustable telescopic props shall be provided as directed by the departmental Officers. (Payment for centering shall be given after the concrete is laid).

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 c/c , etc complete complying with standard specifications. Steel adjustable span and Steel Adjustable telescopic props shall be provided as directed by the departmental Officers. (Payment for centering shall be given after the concrete is laid).

Supplying and erecting steel centering including necessary supports For plane surfaces such as rectangular or square RCC columns etc. which require only nominal strutting using mild steel sheets made of 10 gauge thick welded with MS angle size 40mm x 40mm x 5 mm 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).etc..complete in all floors complying with standard specifcation. Steel Adjustable telescopic props shall be rovided as directed by the departmental Officers. (Payment for centering shall be given after the concrete is laid).

Supplying and erecting steel centering including necessary supports for plane surfaces for Reinforced Cement Concrete works such as vertical slab, side slabs of boxing, vertical drops, facia, vertical wall, etc. using mild steel sheets of size 1200cm x 60cm and 10 BG stiffened with welded mild steel angles of size 40mm x 40mm x 5 mm for boarding, laid with silver oak joists of size 10cm x 5cm & 7.5cm x 5cm as support runner, Top Horizontal stiffener spaced at about 60cm to 90cm centre to centre or at suitable intervals. MS Channel Section (ISMC 100) shall be provided as a vertical upport @1.20m C/C and with Lateral support of Steel Adjustable Telescopic Props of Size 2m x 2m (expandable upto 3.60m) & steel pipes of 20mm dia @ required level/spacing etc. complete complying with standard specifcation and as directed by the departmental officers. (Payment for centering shall be given after the concrete is laid)

Providing and laying in position, standardised concrete Mix M-20 Grade by insitu machine mix concrete adopting weighing batch method in accordance with IS 456 using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 325 kg/m3 and maximum water cement ratio of 0.55, including admixture (plasticiser / super plasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improve workability without inspiring strength and durability with about (5 Cu.m) 7730 kg. of 20mm machine crushed stone jelly and with about (3.3 Cu.m) 5156 kg. of 10-12mm machine crushed stone jelly and with about (4.79 cu.m) 7670 kg. of crushed stone sand, but excluding cost ofreinforcement grill and fabricating charges, centering and shuttering and also 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, 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 be made by the Department for the excess usage of materials).

Supplying, fabricating and placing in position Mild Steel / Ribbed Tor Steel reinforcement grills of all variety like HYSD/CTD/TMTand all grade like Fe 500, Fe550D, Fe 500 D etc., for all RCC works as per design given including cost of steel reinforcement and G.I. binding wire, wastage etc. complete complying with standard specification and as directed by the departmental officers.(Contractor has to make his own arrangements for the supply of steel reinforcement and binding wire)

Brick work in CM 1:5 (one cement & five sand) using III class ground moulded bricks of size 8 3/4"X4 1/4" X 2 3/4" including finishing, curing, etc., complete complying with standard specification

Plastering with CM 1:5 mix, 12mm thick and including cost and conveyance of all materials to site and all labour charges and all other incidental charges etc., complete as per standard specification.

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

Weathering Course with Concrete Broken Brick (S.I.No.278) & ( P & D) Data 54.Jelly 20mm gauge in pure slaked lime (no sand to be added) over roof slab,the proportion of brick jelly to lime being '32 to 12.5 well beated with wooden beaters for giving required slope and thickness as directed by the departmental officers etc., complete.

Finishing the top of roof with one course of machine pressed tiles of size 200 mm x 200 mm x 20 mm of approved quality in Cement Mortar 1:3 (One Cement add three sand) 12 mm thick mixed with water proofing compound conforming to ISS at 2% by weight of cement used and the joints pointed neatly to full depth of tiles with the same cement mortar mixed with red oxide and water proofing compound including curing etc., complete

Painting New Plastered Wall Surface with Two finishing coats of ready mixed (Emulsion) of approved quality and colour over one coat priming coat in all floors including the cost of primer etc., complete complying with standard specification and as directed by the departmental officers.(The make, quality and colour of paint should be got approved by the Executive Engineer before use on works.)

Providing & fixing PVC RAIN WATER DOWNFALL PIPE of the following dia with necessary T.W.Clamps Plugs, Shoes,Bemds, other clamps, screws nails etc.,complete complying with standard specification. The rate is inclusive of cost of removable iron gratings of appropriate size. The size of Teak Wood plugs used is 150X25mm in front & 200x75mm in rear (wall side) with a depth of 110mm. The pipe is to be fixed by means of "U" clamps at the centre of pipes to be fixed.110mm dia PVC Pipe [4 Kg/SqCm]

Wiring with 2X 1.5 sqmm (22/0.3) PVC insulated unsheathed SC.Cu.conductor of 1100v grade in suitable PVC rigid pipe on wall and ceiling with PVC accessories with TW switch box with 5A F.T switch inflush with wall, covered with hylum sheet of 3mm thick with painting of suitable colour for open PVC light point etc complete SD-25

Supply and fixing of 40 W tube light fittings with copper choke and all other accessories etc., complete complying with standard specification.(S.D 89)

Supply and fixing of M.S Grills with Doors and Windows with one coat of Red oxide with Primer including all costs such as welding,grinding and fabrication charges, cost and conveyance of all materials to site etc,complete as per standard specification.

Earth work excavation for foundation in Hard stiff clay, stiff black cotton, hard red earth, shales murram, gravel,stoney earth and earth mixed with small size boulders SS.20B and Sand, silt or other loose soil, wet sand,or silt not under water, light black cotton soil, sandy loam ordinary soil and to full depth as may be directed except in hardrock requiring blasting inclusive of shoring shuttering and baling out water and cleaning and levelling the site etc.,complete 10 cum

Supplying and fixing in position C.I.Manhole covers (light or heavy duty) of 60 X 60cm in size in Cement Mortar 1:3 (One part of Cement and Three part of Plastering Sand (P- Sand)), of best approved quality and as per standard specifications etc.,complete.

peed 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. Discharge upto 0 to 20cum/hr 15m Head

Discharge upto 20 to 100 cum/hr 30m Head

Discharge upto 100 to 200 cum/hr 30m Head

Discharge upto 20 to 100 cum/hr 20m Head

Supply and delivery of 150 mm, flanged, sluice valves shall be as per IS and suitable for 10 bar rating. The body & door shall be of cast iron, spindle - SS AISI 410, Seat rings - SS AISI 304, Back seat bush - bronze. The electric actuator shall consist of reduction gear unit, torque & limit switch with contact, position indicator, hand wheel and locking arrangement. Actuator shall be capable of producing not less than 1.5 times the required torque. The transmission unit shall be designed to transmit twice the required torque.-(WD-M1124)

Supply and delivery of 150 mm non-return valve, flanged and as per IS:5312 and suitable for 10 bar rating. Valve shall be quick closing type with non-slam characteristics and without any external damping arrangements or counter weights. The body and door shall be of cast iron, hinge pin - SS AISI 410, Body / Door rings - SS - AISI 304, Bushes - Bronze.(WD-M1166)

Cast iron pipes and fittings as per drawing shown. Cast iron pipes shall conform to class B IS: 1537 / IS: 1536 / IS: 7181 and pipe fittings shall conform to IS: 1538. All pipes and fittings shall be flanged and inter connected to the pumping main.

Supply and fixng of TNEB meterboard suitable for 3phase 200A service connection made up of suitable angle iron frame work of size 3 feet x 2 feet using angle iron of size1-1/2"x1-1/2"x1/4"rigidlyfixedonwallcoveredwithhylemsheet ofsize3feetx2feetof12mmthicknesswithnecessaryboltsandnutssupportsandsupplyandfixingof3Nos.200Afuseunits(500V),1No.neutrallink,copperearthflatofsize1"x1/4"withinterconnectionofEBmetertofuseunitsby19/16 PVC insulated copper wire with earth connection complete

Supply and delivery of 1 kVAR electrolytic type capacitor bank with the contactor of ratings shown .(M-1615)

Supply, delivery and laying of various sizes LT cables as following including cost of materials required, cable carrier system like trenches, cable trays, pipe sleeves as per IS: 3043. 4 C x 4 sq mm(WD-M1984)

2.5 sq mm copper control cable(WD-M2000)

SEA ROCK INFRASTRUCTURE (BID ID -1512950)