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| 1 | Earth work excavation above water level in Lighr or sandy or clay soils for Infiltration well of 4.50m dia (internal) including levelling the site and as directed by the departmental officers open well excavation for First depth of 1.00m. |
| 2 | Drilling of borewells of size 4” to 5” dia. in sedimentary formation using hand boresets including insertion of casing pipes and removal of casing pipes etc., including collection of samples as directed by the Department Officers. |
| 3 | Providing and Fixing of Cutting Edge using 75X75X10mm MS angle Including all charges etc complete |
| 4 | Providing and laying in position, standardised concrete Mix M-20 Grade 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 impairing 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 of reinforcement 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). - Ground Level |
| 5 | Sinking of Infiltration Well of 4.50m dia below water level including all incidental charges in light or sandy soil.a) First Depth of 2.00m |
| 6 | b) Second Depth of 2.00m |
| 7 | c) Third Depth of 2.00m |
| 8 | d) Fourth Depth of 2.00m |
| 9 | e) Fifth Depth of 2.00m |
| 10 | f) Sixth Depth of 2.00m |
| 11 | g) Seventh Depth of 2.00m |
| 12 | Porous Concrete in CC 1:4 for steining of Infiltration Well sxcluding cost of centering but including curing etc., complete and as directed by the Department Officers. |
| 13 | Providing steel centering using MS plates of size 90cmx60cm -13G to 10g thick welded with 25mmx3mm MS angle supported with Country wood scantling of size 10cmx6.5cm at 50cm C/C strutting with casurina props of 10cm to 13cm dia as directed by the Department Officers.a) 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). |
| 14 | b) Supplying and erecting centering for sides and soffits including necessary supports and strutting upto 2.10 M height for Curved surfaces as detailed below in all floors with all cross bracings using Mild Steel sheets of size 90 x 60 cm and 10 BG stiffened with welded Mild Steel angle of size 25mm x 25mm x 3 mm for boarding laid over silver oak joists of size 10cm x 6.50 cm spaced at abote 90 cm centre to centre and supported by casurina props of 10cm to 13 cm dia spaced at not more than 75 cm centre to centre etc. complete complying with the standard specificaiton and as directed by the departmental Officers(Payment for centering shall be given after the concrete is laid)-Curved Surfaces |
| 15 | Supplying fabricating and placing in position of RTS rod for reinforcement.For binding ring, pillasters, roof slab and well curb including cost of binding wire and as directed by the Department Officers. |
| 16 | Plastering in CM 1:5 (Cement One part and Msand Five part) 12mm thick including cost and conveyance of all materials from approved sources to work site and labour charges etc. complete. |
| 17 | Supplying and fixing in position CI manhole covers with CI frames (Heavy duty) of size 60cm x 60cm of best approved quality as per standard specification etc., complete compying with standard specifications. |
| 18 | Supply, delivery and fixing of CI steps in position at 30cm C/C in staggered manner and as directed by the Department Officers. |
| 19 | 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. |
| 20 | Supply,delivery and erection of RSJ Beam of size 150mm x 80mm - 2Nos: each of 4.40m length to be fixed inside the well so as to facilitate the erection of pumpset |
| 21 | Earth work excavation for 250mm dia Pipe Laying work by removing dense medium rock using controlled blasting method by drilling blast holes using compressor and jack hammer including dewatering wherever necessary, cost of gelatin, electric detonator, licensed shot fireman, labour for filling earth in gunny bags, labour for excavation of earth, conveyance of earth including cost of gunny bags, M.S Plates, barricading, putting up road diversion boards and providing red light signal during night, removal of debris etc., where open blasting is prohibited and as directed by the Department Officers.For 250mm Pipe Line |
| 22 | Supply and delivery of Ductile iron socket for 250 mm dia Pipes for class K7 as per IS 8329/2000 of approved make including cost and conveyance of all materials and labour charges and other incidental charges to site etc., complete. as per standard specification. |
| 23 | Supply and delivery of Ductile iron Class PN -10 Flanged Pipes of dia 250mm as per IS 8329/2000 of approved make including cost and conveyance of all materials and labour charges and other incidental charges to site etc., complete. as per standard specification.a) 250MM Dia @ 1m Length |
| 24 | b) 250MM Dia @ 3m Length |
| 25 | Supply and delivery of Ductile iron socket Pipes Specials of approved make including cost and conveyance of all materials and labour charges and other incidental charges to site etc., complete. as per standard specification 250mm Dia DI specials. |
| 26 | Lowering of D.I 250mm dia Pipes and specials in the trenches and laying to proper grade and alignment and as directed by the Department Officers. |
| 27 | Jointing the C.I/ D.I Double flanged 250mm dia pipes and specials with rubber insertion to with IS-638 (1979) and M.S. bolts and nuts of IS 1364-1 (2002), including cost of jointing materials such as bolt and nuts Rubber insertion and labour charges etc., complete. |
| 28 | Jointing C.I/ D.I-S/S pipes and specials with rubber gaskets (tyton joint) including cost of lubricants. (including cost of jointing materials)and labour charges etc., complete. |
| 29 | Centering for soffits of RCC slabs of plane surface like lintels, beams ,etc.,including strutting 3m high using mild steel sheets of size 90cm X 60cm X and B.G 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 dy casurina props of 10cm to 13cm dia (spaced of 75cm C/C) complying with standard specification and directed . |
| 30 | Plain Cement Concrete 1:2:4 (one cement, two crushed stone sand and four hard broken stone jelly) using 20mm jelly including laying, compacting, finishing and curing, etc., complete as per standard specificatins and as directed by the departmental officers. |
| 31 | Refilling with excavated earth in layers of 30 cm watered well rammed and consolidatred conforming to standard specification including labour charges as directed by Engineer in Charge. |
| 32 | Testing of pipes for water supply with hydraulic testing equipment by filling with water (including cost of water) and testing to recommended pressure in convenient stretches and attending the bursts if any occured during the test, excluding the cost of pipes but including other incidential and operational charges etc., complete for the 250mm diametres of pipes. |
| 33 | Supply and delivery of 250mm Dia 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 outside 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. |
| 34 | Manufacture, Supply and Delivery of Tamper proof DI single chamber double orifice triple function (ventilating, admiting & ventilating during operation) air release valve with pressure rating PN 10/16 with body and cover made of Ductile Iron of Grade GGG 40 or GGG 50, conforming to IS 1865 with Food Grade Epoxy Powder coating (EP-P) inside and for outside of colour blue RAL 5005. All internal parts such as float, shell etc., cover bolts, made of Austenitic alloy steel of SS AISI 304/316. The float shall be made of Polytetrafluroethylene/ Austenitic alloy steel of AISI 304/316. Gaskets and seals of EPDM / Neoprene rubber for TWAD Board works anywhere in Tamil Nadu and with 5 years warranty. 80mm Single chamber air release valve. |
| 35 | Supply & Delivery of Circular Inspection Chamber anywhere in Tamilnadu made as per EN 13598-1:2020 from 100% virgin Polyethylene (PE) material having internal diameter of 600mm for all depth, to be used in buried drains and sewers for gravity system. It shall be used for receiving / connecting PVC, uPVC, HDPE pipes or DWC/CLAY/RCC, etc. by use of appropriate transition adaptors including testing as per relevant strandards Chamber shall have a base confirming on BS 13598-1 : 2020 and riser shaft of ID 600mm(±10%). Chambers shall have straight channel 315/250/200/160/ 110mm with two extra inlets 315/250/200/160/110mm at 90°/270° right and left. Connections at the base shall be designed to receive / connect 315/250/200/160/110 mm diameter pipes. The inlet/outlet pipes to be connected with elastomer seal for a flexible connection of pipes according to EN 681-1. All chambers shall come with a prefabricated integrated base with appropriate benching with a gradient of 1-2°. and as directed by the Department officers. 600 mm internal dia, 1000 mm depth. |
| 36 | Supply and delivery of 50mm GI Pipe for anchoring support Including all charges etc completed. |
| 37 | Supply and delivery of 50mm MS Flat Angle Bottom for anchoring support Including all charges etc completed. |
| 38 | Supply and delivery of 50mm MS Flat Angle Top for anchoring support Including all charges etc completed. |
| 39 | Supply and delivery of Open well Submersible pump set conforming to IS 14220 /2002 and as amended thereafter and BEE 3 Star Rated capable of discharging the following duties due to all causes. The pump shall be with stainless steel shaft and dynamically balanced bronze mixed type impeller, CI FG 200 grade casing and brass screws and rotor shall be of copper rod as per IS 613/1984 with ISI mark. The pump suitable for installation in sump with 1.1KV grade 3 core suitable copper flat submersible cable to a length of 15m with necessary cable joints. The non-return valve located at the top of the pump in the discharge outlet connection is to be designed with minimum friction. The pump should be directly coupled to 2880 RPM, three phase, 50 Hz (±5), 415V+6% & 415V-15% squirrel cage induction motor suitable for DOL upto 5 HP, Fully Automatic Air break Star Delta up to 20 HP and Auto Transformer starter for above 20 HP starting and for continuous operation. 2500 LPM X 40 m Head. |
| 40 | 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.. Above 30HP to 40HP. |
| 41 | Supply and delivery of Star-Delta starter where panel boards are available confirming to IS 13947, IEC60947-1 and as amended thereafter with suitable KW rating for operation in AC/three Phase/50HZ(+/- 5%) and 415V (+/- 10%) including 3 pole magnetic contactor with under voltage release - 3 nos., CT operated Ammeter(65 mm dia) with suppressed scale, Voltmeter (65mm dia), Voltmeter selector swicth, Minature Circuit breaker, Thermal Overload relay, Air Break contactors suitable for next Standard higher KW rating, Single phasing preventor, dry running preventor and On/Off Push button switches, wiring with 1 sq.mm/4 sq. mm copper pvc insulated cable, powder coated vermin proof box, including the capacitor. 40HP. |
| 42 | Supply,delivery and laying of 16 sqmm 3 core Flat copper cable of L.T.cables 3,3.5,4 core 1.1 KV grade armoured aliuminium conductor cross linked poly ethylene insulated PVC sheathed cables conforming to IS 7098( Part I ) 1988 and as amended thereafter with ISI marking etc., completre as per the standard specifications. |
| 43 | Supply and delivery of 250 mm Dia NON RETURN VALVES of approved make including cost and conveyance of all materials and labour charges and other incidental charges to site etc., complete. as per standard specification. |
| 44 | 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 selfdiagnostic 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 accridiated lab to be furnished. |
| 45 | Supply, delivery and fixing of 150Sqmm LT Cable 3 Core |
| 46 | Supply, delivery and fixing of 100 mm Dia GI pipe |
| 47 | Supply, delivery and fixing of 100 mm Dia GI Coupling |
| 48 | Supply, delivery and fixing of 100 mm Dia GI Bend |
| 49 | Supply, delivery and fixing of 200 AMPS TPN Main Switch |
| 50 | Supply, delivery and fixing of Fuse UNIT 200Amp (500V) |
| 51 | Supply, delivery and fixing of Moulded Case Circuit Breaker (MCCB) with Thermo Magnetic Realease 250Amps 4Pole |
| 52 | Supply, delivery and fixing of un plasticized PVC 63 mm dia pipes of 6 KSC. Please Enable Macros to View BoQ information |
