Improvement of Water suppy Scheme Replacement of transmission Line in Old Scheme in Idappadi Municipality

Amount

Laying and Jointing PVC Pipe. Heading

The rates for earth work excavation and refilling for pipe line works having bed width of 1.25m and below on linear measurement basis - Earth work rate for other than loose soil/m PVC/HDPE/GRP + 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

350mm Dia DI pipe

110mm Dia HDPE pipe

Supplying and Delivery of the following Ductile Iron Socket/Spigot pipes and specials K-7 of best approved quality conforming to ISS including cost of all materials, labour, transportation etc., complete complying with standard specification.Twad Sor 24-25 Pg No 34

350mm Dia DI pipe

Supplying and Delivery of the following HDPE PIPES - PE 100 AS PER IS 4984/2016 of best approved quality conforming to ISS including cost of all materials, labour, transportation etc., complete complying with standard specification.Twad Sor 24-25 Pg No 15

110mm Dia HDPE pipe / PN 10

Refilling as per IS specifications and as directed by the engineers for the following sizes in metres,as per drawing.

350mm Dia DI pipe

110mm Dia HDPE pipe

Supply & delivery of following sizes of DUCTILE IRON SOCKET/SPIGOT PIPES FOR CLASS K7 SPECIALS AS PER IS 9523/2000

350mm D.I. 90 Degree Bend - 15 No's (87 Kg / No's) , 45 Degree Bend - 5 No's (65 Kg / No's) 22.5 Degree Bend - 4 No's (52 Kg / No's)

Supply , delivery and fixing of HDPE specials (lining and coated) at site etc., complete as directed by Engineer in charge.

110mm HDPE Bend

110mm HDPE Tee

Lowering pipes and specials to trench and laying to proper grade and alignment and as directed by the TWAD Officers Twad Sor 24-25 Pg No 160

350mm Dia DI pipe

Lowering HDPE pipes and specials to trench and laying to proper grade and alignment and as directed by the TWAD Officers Twad Sor 24-25 Pg No 171

110mm Dia HDPE pipe

Jointing C.I/ D.I-S/S pipes and specials with rubber gaskets (tyton joint) including cost of lubricants. (including cost of jointing materials)

350mm Dia DI pipe

Jointing HDPE 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 TWAD Board Officers.

110mm Dia HDPE pipe

Cutting C.I./D.I Pipes true to axis and filing moothly and finishing the ends complete.Twad Sor 24-25 Pg No 174

350mm Dia DI pipe

Cutting P.V.C./ HDPE rigid pipes and specials true to axis and finishing the ends complete.Twad Sor 24-25 Pg No 175

110mm Dia HDPE pipe

Barricading work (Where, there is less traffic areas and broader roads etc.) for laying of pipe line using casurina poles at 1.50m center to center (8cm to 10cm dia and 1.80m height) vertical with orizontal poles in three rows including painting the vertical poles in the road facing sides with ready mix paint, tying the vertical and horizontal poles with coir rope including fixing charges and fixing 75mm dia reflectors including earth work xcavation for fixing vertical posts and finally removing and stacking the aterials safely for further use etc., complete and as directed by TWAD Board officers.

Less Traffic

Barricading work (Where the lines are in narrow width of municipality area, busy streets like Market, Bus stand and in the Highways etc.) for laying of pipe line sing casurina poles at 1.50m center to center (8cm to 10cm dia. and 1.80m height) vertical with horizontal poles in two rows, painting the vertical poles in the road facing sides with ready mix paint, tying the vertical and horizontal poles with coir rope including supplying, delivery and fixing of GI sheet (0.90m x 0.8mm thick) in the horizontal poles and fixing 75mm dia. reflectors including earth work excavation for fixing vertical posts and finally removing and stacking the materials safely for further use etc., complete and as irected by TWAD Board officers. Twad Sor 24-25 Pg No 210

Busy Street

Testing of pipes for water supply with hydraulic testing equipment by filling with water (including cost of water @ Rs. 60/KL) 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 following diametres of pipes.Twad Sor 24-25 Pg No 174

350mm Dia DI pipe

110mm Dia HDPE pipe

Supply, Delivery and fixing of DI D/F Gate valves (Soft Seated) resilient seated soft sealing gate valves (sluice valves) with body bonnet of ductile cast iron of grade GGG40 or equivalent grade, 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 vaccum tight and 100% leak proof with face to face dimentions as CI D/F SLUICE VALVE WITH CAP/ WHEEL AS PER IS 14846/2000 PN 1.0 WITH ISI MARKING All the valves should be with electrostatic powder coating both inside and outside with pocket less straight thro' body passage, inside and outside color Blue including Flange/socket and Flange/spicot tail pieces, etc., loading,unloading, Transportation charges and stacking etc. complete as per specifications. All the valves are to be compatible for burried application with pressure rating .

For isolation/Control

350 mm Pipe Valve

110 mm Pipe Valve

For Scouring

250 mm Pipe Valve

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 accredited lab to be furnished.

250 mm Pipe Valve

110 mm Pipe Valve

Supply and delivery of C.I. DOUBLE AIR VALVE AS PER ISI 14845/2000 AND WITH 5 YEARS WARRANTY specifications and as directed by the engineers.

100mm Air Valve for 350 mm Pipe Line

Labour charges for cutting of B.T road or WBM roads for laying of mains and as directed by Engineer in charge.

B.T. Roads (or) Maccadam road

Concrete Roads

Road restoration

Plain Cement Concrete 1:4:8 (one part of cement, four part of Crushed Stone Sand (M- Sand) and Eight part of coarse aggregates) using 40mm size ISS HBG metal including cost and conveyance of all materials to site and including for the mixing, laying and labour charges and all incidential charges such as water providing etc., complete as per standard specification

110mm Dia HDPE pipe

Plain Cement Concrete 1:2:4 (one cement, two Crushed Stone Sand (M- Sand) and four coarse aggregates) using 20mm size ISS HBG metal including cost and conveyance of all materials to site and including for the mixing, laying and labour charges etc., complete as per standard specification

110mm Dia HDPE pipe

Construction of Valve Chamber of in Brick work with CM 1:5 mix with RCC Slab 100 mm thick including cost and conveyance of all materials and labour charges to site etc., complete as per Standard specification -Valve Chamber's

Sluice Valve Chamber - 9No's , Scour Valve chamber - 2 No's & Air Valve Chamber - 6 No's

Construction of Thrust blocks - with RCC M20 Grade concrete Earthwork - excavation and depositing on bank with an initial lead of 10 m and initial lift of 2 m in trenches (Hard stiff clay, stiff black cotton, hard red earth, shales, murram gravel, stoney earth and earth mixed with small boulders and hard gravelly soil) including all charges etc complete., complying with standard specification as directed by Corporation Engineers 'P.C.C 1:2:4 (one cement, two sand and four coarse aggregate) using Sulphate Resistant cement and 20 mm H.B.G stone, RCC M 20 grade using cement and 20 mm H.B.G stone including mixing concrete, laying, curing and compacting of concrete etc., complete and as directed by the Corporation Engineers. Refilling the trenches with suitable excavated earth available in layers of 150 mm thick, watering, ramming & consolidation complete as directed by the Corporation Engineer. Conveyance of excess earth to a distance not exceeding 5 km as directed by the Corporation Engineer including cost of loading, transportation and unloading charges etc

350mm - 90 Deg Bend

350mm - 45 Deg Bend

Add for Goods and Service tax 18%

M.Mohamed Hussain (BID ID -1365433)