REPLACEMENT OF DAMAGED 150MM AC PIPE LINE INTO 150MM DI PIPE LINE FROM MUTTAL HEAD WORKS TO KADAIVEETHI OHT NARAYANAPURAM OHT Under O AND M 2023 24

Amount

Earth work excavation for laying pipe in various types/ sizes of pipe for all types of Strata including hard stiff clay stiff block cotton,hard red earth shales murams gravel stony earth and earth mixed with small sizes boulders and gravally soil, soft disintegrated rock laterite soft rock or kanker not requiring blasting, medium rock dense medium rock not requiring blasting, medium rock dense medium rock requiring blasting, hard rock requiring blasting and depositing on bank with in an initial lead of 10 m and initial lift of 2m including shoring strutting and all the incidential works providing danger light barricading conveying and disposing the surplus earth etc 150mm DI K9 Pipe

Supply and delivery of 150mm Dia D.I Socket/Spigot K9 Pipes as per IS 8329/2000 including loading, frieght,transit insurance all taxes,unloading and stacking at site as directed by departmental Officers 150mm DI K9 Pipe

Jointing the 150mm dia C.I/ D.I-S/S pipes and specials with rubber gaskets (tyton joint) including cost of lubricants. (including cost of jointing materials). 150mm DI K9 Pipe

Lowering the 150mm dia DI Pipes to trench,lowering and laying to proper Grade and alignment etc. 150mm DI K9 Pipe

Refilling the trenches with excavated earth other than sand in layers of 15cm thick,watering, well rammed and consolidated etc., complete 150mm DI K9 Pipe

Supply and delivery of following size D.I specials as per IS 9523/2000 including loading, frieght,transit insurance all taxes,unloading and stacking at site as directed by departmental Officers ALL SOCKET

ALL FLANGE

AIR VALVE( DI SINGLE CHAMBER AIR RELEASE VALVE) Supply and delivery of tamper proof DI SINGLE CHAMBER AIR RELEASE VALVES with pressure range from PN 1.0 to 2.5 with body and cover made ductile iron of grade GGG 40 or equivalent grade confirming to IS 1865 with food grade epoxy powder coating(EP-P) inside and for out side of color blue RAL 5005. All internal parts , shell etc cover bolts , made of austenitic alloy steel of SS ASI 304/316. the float shall be made of poly tetra flouro ethylene/ austentic alloy steel of ASI 304/316.Gaskets and seals of EPDM/ neoprene rubber / TWAD Board works any where in Tamilnadu.50mm DI Air release valve

SCOUR VALVES 'Supply and delivery of DI DF GATE SLUICE VALVES FOR SCOUR Resilient seated soft sealing gate valves(Sluice valves) with body Bonnet of ductile Cast Iron of grade GGG 40 or equivalent grade, wedge fully rubber lined with EPDM replaceable spindle nut without gland packing and with 3 O- ring proction on the shaft and seals of NBR and the valves should be of vaccum tight and 100% leak proof with face to face dimensions as per BS 5163- 89/ ISI 4846-2000/DIN 3202 F4. All the valves should be with electeostatic powder coating both inside and outside with pocketless stright through body passage. all the valves are to be compatible buried application with pressure rating PN 10/16 and with 5years warrenty 100mm dia DI Scour valve in 150mm DI Pipe

Supply and delivery of DI DF GATE SLUICE VALVES Resilient seated soft sealing gate valves(Sluice valves) with body Bonnet of ductile Cast Iron of grade GGG 40 or equivalent grade, wedge fully rubber lined with EPDM replaceable spindle nut without gland packing and with 3 O- ring proction on the shaft and seals of NBR and the valves should be of vaccum tight and 100% leak proof with face to face dimensions as per BS 5163- 89/ ISI 4846-2000/DIN 3202 F4. All the valves should be with electeostatic powder coating both inside and outside with pocketless stright through body passage. all the valves are to be compatible buried application with pressure rating PN 10/16 and with 5years warrenty 150mm dia DI Sluice valve in 150mm DI Pipe

Supply and delivery and Jointing of the following sizes of valve specials as per IS to the work site cost of specials,laobour charges etc complete and as directed by TWAD Board Officers. AIR VALVE SPECIALS 50mm DI Air release valve in 150mm DI pipe (Specials like Tee, D.Foot bend,Plane bend,surface box,Tail Piece etc)

SCOUR VALVE SPECIALS100mm dia DI Scour valve in 150mm DI Pipe (Specials like Tee, D.Foot bend,Plane bend,surface box,Tail Piece etc)

SLUICE VALVE SPECIALS 150mm dia DI Sluice valve in 150mm DI Pipe (Specials like Tail Piece,(Spigot & Socket),surface box, etc)

Construction of Air Valve Pits for the following sizes of valves including cost and conveyance of materials and labour charges etc complete and as directed by Departmental Officers 50mm DI Air release valve in 150mm DI pipe. Size = (1.00 x 0.90x 1.00m)

Construction of Scour Valve Pits for the following sizes of valves including cost and conveyance of materials and labour charges etc complete and as directed by Departmental Officers 100mm dia DI Scour valve in 150mm DI Pipe Size = (1.00 x 0.90x 1.00m)

Construction of DI DF GATE SLUICE VALVES Pits for the following sizes of valves including cost and conveyance of materials and labour charges etc complete and as directed by Departmental Officers Size = (1.50 x 0.90x 1.00m)

Supply and delivery of 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.

Towards the Erection charges for Flow Meter includes earth work excavation,labour charges, cutting and threading, onveyance,welding and hire charges for tools and plants etc., complete

Goods and Service Tax @ 18%