Construction of 5 LL Capacity 16m Height Over Head Tank at Senthaneerpuram in Ward No35.

Earth work excavation for foundation by Mechanical means for Isolated & Combined Footing etc inall soil sand sub-soil sand to full depth as may be directed except inrock requiring blasting inclusive of shoring shuttering, bailing out water wherever necessary and depositing the surplus earth with in the compound in places shown by the departmental officers with an initial lead of 100 mt sand 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. S. No 121

Earth work excavation for foundation by manual means for Isolated, Combined and Other type foundations inall 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 10 mt sand initial lift of 2.00mts and clearing and levelling the site,etc., complete complying with standard specification and as directed by the departmental officers.S. No 120

SDR - (Not Requiring Blasting) Earth work excavatingand depositing on bank with initial lead of 10 m & initiallift of 2m in Soft disintegrated rock, laterite, soft rock orkankar, not requiring blasting etc., Completed as per direceted by the departmental officers.

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 of not more than 15cm thick well rammed with surface vibrator, watered and consolidated etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and filling in foundation, basement, etc with filling crushed stone sand in layers of not more than 15cm thick well watered, rammed and consolidated etc.complete complying with standard specification and as directed by the departmental officers. S. No 126

Cement Concrete1:5:10 (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 thickwell rammed, consolidated and including curing etc. complete complying with standard specification and as directed by the departmental officers Mixing by mechanical means S. No 141

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). Sl No 147

For Brace Beam From 3.30m to 4.30m height

From 7.30m to 8.30m height

From 11.30m to 12.30m height

From 15.30m to 16.30m height

From 19.30m to 20.30m height

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).Sl No 148

Upto 3.30m height

Upto 3.30m to 4.30 height

Upto 4.30m to 5.30 height

Upto 5.30m to 6.30 height

Upto 6.30m to 7.30 height

Upto 7.30m to 8.30 height

Upto 8.30m to 9.30 height

Upto 9.30m to 10.30 height

Upto 10.30m to 11.30 height

Upto 11.30m to 12.30 height

Upto 12.30m to 13.30 height

Upto 13.30m to 14.30 height

Upto 14.30m to 15.30 height

Upto 15.30m to 16.30 height

Upto 16.30m to 17.30 height

Upto 17.30m to 18.30 height

Upto 18.30m to 19.30 height

Upto 19.30m to 20.30 height

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)

From 16.30m to 17.30m height

From 17.30m to 18.30m height

From 18.30m to 19.30m height

From 19.30m to 20.30m height

Providing and laying in position, Standardised Concrete Mix M-30 Gradeusing In-situ Concrete batching plant / Ready Mix Concrete (RMC) adopting weigh batch method in accordance with IS:456-2000 using 20 mm 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 / superplasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete,improve work ability with out impairing strength and durability with about (5.0Cu.m) 7730 kg. of 20mm machine crushed stone jelly and with about (3.3Cu.m) 5156 kg. of 10-12mm machine crushed stone jelly and with about (4.79cu.m’) 7670kg. of crushed stone sand, but excluding cost of reinforcement grill and fabricating charges, centering and shuttering and also including Conveyance of concrete from batching plant toWork site, Electricity charge sand other works & labour cost involved for concrete production, 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) (1:1:3 mix)

Below Ground Level

Above Ground Level Upto 4.50m Height

Upto 9.00m Height

Upto 13.50m Height

Upto 18.00m Height

Upto 22.50m Height

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 tomake his own arrangements for the supplyof steel reinforcement and binding wire) S. No 168

Below Ground Level

Above Ground Level up to 4.50m Height

Above Ground Level up to 9.00m Height

Above Ground Level up to 13.50m Height

Above Ground Level up to 18.00m Height

Above Ground Level up to 22.50m Height

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). S. No 158

Basement

Ground floor

Brick work in following Cement Mortar using best quality Burnt Clay Brick of size 9” x 4 3/8” x 2 3/4” with class designation of 7.5 conforming to IS 1077-1992 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 shall be done as directed by the Executive Engineer in charge. S. No 192 a

Supplying and fixing Mild Steel grills for windows, ventilators etc.,complete complying with standard specifications and as directed by the departmental officers.. S. No 427

Plastering the surface of wall swith Cement Mortar 1:5 (One cement and Five plastering sand ), 20 mm thick in all floors including mortar plasticizer at 200 ml per 50 Kg of cement used, curing etc.,complete complying with standard specification and as directed by the departmental officers. S. No 314

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.) Si .no:373

Supplying and fixing in position SFRC 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. Si.No: 290 a - M-0714

Providing and fixing of RCC inner access ladder in RCC M30 using 20mm HBG stones for OHT including grill in position, centering, shuttering charges, mixing concrete curing etc, to required height and clear width of 1.10 m consisting of two nos of vertical post of 15cm X 15cm and step salb of 25mm X 25mm etc,complete and as directed by Municipal Officers.

Providing and fixing of RCC 1:2:4 (one cement, two sand and four course aggregate of 20mm size hard blue granite broken stone) for ventilators of approved pattern including cost of cement, reinforcement, centering, shuttering, strutting etc., complete as generally shown in plan and as directed.

Construction of 16 height staging RCC spiral staircase (RCC round column of 0.45m) for service reservoir in RCC 1:1.5:3 mix using 20mm HBBG metal of 1 m width stair portion with tread 0.12 m & 0.30m and 0.20 m rise for approach to the roof of service reservoir with 1.00 m height RCC handrails with jolly including earth work excavation for foundation (2.12 x 2.12 x 2m), base concrete with CC 1:4:8 mix 0.15m Tk, footing with RCC 1:1.5:3 mix, GL platform etc, cost of steel reinforcement charges, centering, precasting charges for steps hand rails & jolly and cement painting etc completed as directed by departmental officers. The staircase braced to the column of service reservoir at suitable interval as directed by Departmental officers (Detail & Abstract Approved by Departmental officers)

Supplying and fixing of RCC 1:1.5:3 (1 Cement : 1.5 Sand : 3 Coarse Aggregate) using 20 mm HBGS for RCC Handrails of 0.91 m height over the top of roof slab of approved pattern and design including the cost of reinforcement, centering, precasting, finishing, curing etc., complete as per standard specifications and as directed by Engineer-in- charge

Providing Cut Stone Fully dressed set in CM 1:3 (one cement and three sand) using well dressed cut stone supporting inlet pipe of size 0.60 x 0.60 x 0.05m for service reservoir etc., complete as per standard specifications and as directed by Engineer-in-charge

Supplying and laying of Interlocking Paver Block Stone 60mm thick Over a base layer of crushed stone sandfilling incl. Cost of materials laying and Labour charges etc complete complying with the standard specification and as directed by the departmental officers S. No 425

Supply of following water supply materials at site etc complete

200mm dia -DUCTILE IRON CLASS PN10 FLANGED PIPES AS PER IS 8329/2000 -2 m length of pipes

200mm dia -DUCTILE IRON CLASS PN10 FLANGED PIPES AS PER IS 8329/2000 -1 m length of pipes

200mm dia -DUCTILE IRON CLASS PN10 FLANGED PIPES AS PER IS 8329/2000 -5 m length of pipes

Lifting and positioning of DI Pipes in vertical direction for service reservoir pipe connection- 200mm dia -DUCTILE IRON CLASS PN10 FLANGED PIPES

Supply and delivery of DI specials as per standard specification.

D/F BENDS 45 DEG -200mm

ALL FLANGE CROSSES -200 mm mm

200 mm dia DI D/F Duct bend

MS BOLT AND NUTS , 20mm dia and above x 90mm to 120mm length fully threaded bolts and with nuts 2 Nos.

RUBBER INSERTION SHEET -3 Ply R.I. Sheet

Lowering of D.I Pipes and specials in the trenches and laying to proper grade and alignment and as directed by the TWAD Officers. 250 mm dia C.I/ D.I Pipes and Specials 200mm dia -DUCTILE IRON

Jointing the C.I/ D.I - S/S pipes and specials with molten lead and Yarn including caulking the joints. (Including cost of jointing materials)-200mm dia -200 mm dia C.I/ D.I - S/S pipes and specials

Supply and delivery 200 mm dia of DI D/F Gate (sluice) valves (soft seated) resilient seated soft sealing Gate Valves (Sluice Valves) with body Bonnet of Ductile cast iron of Grade GGG 40 or GGG 50, Wedge fully rubber lined with EPDM replaceable spindle nut without gland packing and with 3 O- Ring protection on the shaft and seals of NBR and the valves should be of Vacuum tight and 100% leak proof with face to face dimensions as per BS 5163-89/ISI 14846-2000/DIN 3202 F4. All the valves should be with electrostatic powder coating both inside and out side with pocket less straight through body passage. All the valves are to be compatible for buried application with pressure rating PN 10/16 and with 5 years warranty-200mm

FULL BORE ELECTROMAGNETIC FLOW METER WITH 5 YEARS WARRANTY Supply and delivery of 200 mm dia Electromagnetic Flow Meter shall be a velocity sensing Electromagnetic type, microprocessor based signal converter, sealed housing, flanged tube meter for 1.0 Mpa working pressure, manufactured to highest standard available for mag-meters, equipped with minimum six digit digital totalizers, reading in units of (kilolitres/ cubicmeter) and shall be accurate within 0.5% of Measured value, shall operate within a range of 0.3m/sec to 4 m/sec and be constructed as follows:Meter tube (Sensor) shall be fabricated from stainless steel tube and use class PN10 flat face carbon steel flanges in accordance with IS 1538. These flanges shall be welded to the flow tube. The internal and external of the meter tube shall be blasted to near white and lined with hard rubber/ Polyurethrene/ PTFE preferably by SBR or EPDM. Meter tube shall have a constant nominal inside diameter offering no obstruction to the flow. The accuracy should be inclusive of linearity, hysteresis, repeatability, temperature and pressure effects Coil Housing shall be fabricated from stainless steel (SS 304) with Anticorrosive paint for corrosion resistance and welded to the tube providing a completely sealed environment for all coils, electrode connections and wiring harness capable of submerged or buried operation with IP 68 protection. Signal Converter shall be pulsed DC coil excitation type with auto zeroing. The signal converter shall be remotely mounted away from the meter. The converter shall indicate direction of flow and provide a flow rate indication and a total of flow volume for both forward and reverse directions.

The converter shall provide an isolated 4-20 mA output into minimum 500-ohm load and a frequency output of a maximum of 0-10 KHZ and a scaled pulse output, Communication interface is RS485, HART output, . The microprocessor based signal converter shall have a self-diagnostic test mode and a backlit display that continuously displays “Rate of Flow” and “Total Volume”. Converter shall be supplied with a programmable low flow drop out Higher flow and empty pipe zero return. The signal converter housing should be die-cast aluminium with glass window. The converter cum transmitter should be fully programmable form the front facia. The programming should be user friendly, self-prompting menu driven. Flowmeter test calibration certificate from FCRI, flow test lab/ NABL accredited lab to be furnished For 200 mm dia

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