CNT/WSS/DEP/3582/2023-24

Amount

Bill No.1. Providing 400mm dia DI Dedicated Conveying Water Main from OMR to Perumbakkam North TNUHDB 30LL UGT in Area-XV

Supply, delivery, laying and jointing D.I. Pipes of the following sizes of socket @ spigot end, push - on - joint DI pipes of classification K9 conforming to IS: 8329/2000 in standard lengths with cement mortar lining inside and outside Zinc coating, including rubber gaskets, including Labour charges for loading, unloading and stacking at the site etc., including earthwork excavation for trenches in hard stiff clay, black cotton, hard red earth, shales, murams, gravel, stoney earth and earth mixed with small size boulders and hard gravelly soil depositing the earth on banks with initial lead of 10m and initial lift of 2m conveying to the site of work, lowering into the trenches, and aligning, jointing, refilling the trenches with excavated soil, watering and ramming to consolidation, disposal of surplus earth etc., complete for the pipes of following diametres at the following depths.

400mm dia at 1.5 m depth

Supply, delivery, conveying and fixing following sizes of DI specials of DI push - on joint specials as mentioned below conforming to IS: 9523/2000 including loading, unloading and stacking at the site etc as directed by the engineer at site, and including earthwork excavation, refilling with excavated soil, watering and ramming to consolidation and disposal of surplus earth etc complete.

500x400mm A/F Tee

500 mm DI Fl/ Spi tail piece

500 mm DI Fl/ Soc tail piece

500mm MJ Collar

400mm 90 deg A/S bend

400mm dia DI Duck Foot Bend

400mm dia DI D/F Pipe 5.5m

400mm dia DI D/F Pipe 1.00m

400mm dia DI D/F Pipe 0.5m

400 mm dia D/F 90 degree Bend

400mm MJ Collar

400x100 mm DI A/F tee

400mm DI Fl/ Spi tail piece

400mm DI Fl/ Soc tail piece

Supplying and delivery at site, conveying and fixing of CI double air valves of following sizes including loading, unloading, Transportation charges and stacking etc complete as per specifications.

100mm CI double Air valve

Supplying , delivery at site, conveying and fixing the CI sluice valves (PN 1.0) including DI tail pieces of following sizes confirming to IS: 14846/2000 including socket and flanged tail pieces etc., loading,unloading, Transportation charges and stacking etc complete as per specifications.

400mm CI Sluice Valve

Supplying , delivery at site, conveying and fixing the CI sluice valves (PN 1.0) including DI tail pieces of following sizes confirming to IS: 14846/2000 including socket and flanged tail pieces etc., loading,unloading, Transportation charges and stacking etc complete as per specifications.

100mm CI Sluice Valve for Air Valve

Cutting DI mains

500mm dia

400mm dia

Construction of 100mm Double Air Valve chamber for 400mm to 500mm dia.pipeline including providing and fixing FRC cover and frame of size 60 x 60cm for size 1.5 x 1.2 x 2.3 m

Jointing the D.I. Double flanged pipes and specials with rubber insertion to the required specifications with M.S. bolts and nuts, complete and testing the pipes to the required pressure with water (including cost of jointing materials) etc. complete

100mm dia

400mm dia

Testing of M.S./C.I./P.V.C./D.I pipes with hydraulic testing equipment by filling with water(including cost of water @ Rs.73/KL) and testing to recommended pressure in convenient stetches and attending the bursts if any occured during the test, excluding the cost of pipes, including other incidental and operational charges, etc., complete for the following diametres of pipes.

400mm dia

Providing Iron Barricading of size 2.50 m width and 1.75 m height using 40x40x4 mm angle for outer frame supports, 25 x 25 x 3 mm angle for inner frame supports and 20 gauge thickness MS sheet for name board (as per drawing) including cutting, welding, fabrication charges and one coat of primer and 2 coats of enamel paint of approved quality, writing "METRO WATER" & work detail/ caution sign, providing necessary interlocking arrangements with adjoining units, fixing danger flags, danger lights, reflectors, fixing stickers etc, including watching during night and placing the barricading units as directed at the sites

Providing thrust blocks with Plain Cement Concrete in 1:3:6 with 40mm HBG for the DI pumping main including the cost of shuttering, compaction, curing etc. complete.

400mm 90 deg A/S bend

400mm 45 deg A/S bend

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 different units (Kiloliters / Cubic meter) and shall be accurate within 0.5% of Measured value, shall operate within a range of 0.3 m/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 (SS304)/ Die cast Aluminium/ Carbon steel with anticorriosive 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 IP68 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. 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 aluminum with glass window. The converter cum transmitter should be fully programmable from the front facia. The programming should be user friendly, self-prompting menu driven. Flow meter test calibration certificate from FCRI, flow test lab / NABL accredited lab to be furnished.

Supplying and fixing of Spool piece for flow meter

Supply and Delivery of Remote Monitoring data logger with Operating voltage of 24 VDC and with inbuilt program memory back up, RTC, Adequate number of analogue, digital inputs & outputs and with minimum - I/O spares, Interface to GSM/GPRS modem along with Panel with all internal wirings, 24V DC Power supply unit, 16 channel solid state relays, terminal blocks, MCB, Overload protectors etc. SPECIFICATION: Input Power: 24 VDC, 5 Watts Max CPu Speed: 32 MHz or better Application Program Memory: 128KB Flash minimum Data Memory: 8 K bytes SRAM 4MB Flash Flash Memory Retention: 100 years without power I/O Capacity (Expansion): 32 Inputs / outputs Display: 16 Character 2 line Backlit LCD display or better Serial Protocol: 1.Modus RTU Slave/Master 2.Remote Monitoring and Control via GSM/GPRS Network Programming Parameters: From Keyboard, Server, Smart Phone/tablet Programming Languages: LD, FBD, C, Phython, Java, GSM-GPRS Communication

Hire charges for diesel pumpset upto 7.5 HP with fuel and crew charges including transportation

Hire charges for tractor compressor for cutting the cement concrete road surface for laying of pipes

Cutting asphalitc concrete road

Non Bus Route

Bus Route Road

Hiring and running charges for JCB

Hire and running charges of crane 20 tonne capacity

Supplying and fixing of 32Amps triple pole SFU with rewirable fuse units on suitable angle iron frame with earth connection only

Supplying and clamping of 2 core 25sq.mm. PVC LTUG cable by MS clamps on wall

Wiring with 2.5 sq.mm. PVC unsheathed SC copper cable on suitable rigid PVC pipe for 5A 3 pin CS plug non interlocking including S&F plug pin top in TW box with continuous earth connection by 14 SWG TC wire

Run of 2 of 2.5 sq.mm. PVC unsheathed copper SC cable in conduit pipe for mains continuous earth connection by 14 SWG TC wire

Providing MS sheet box for fixing the display unit and electrical switches, and power control units.

Sub Total (excluding GST)

Aero Construction Equipments

VEDAS INFRATECH CONSULTANT PVT. LTD.

E.SARAVANAN