REPLACEMENT OF 200MM 250MM AC PIPE LINE 250MM CI DAMAGED PIPELINE INTO 250MM DI PIPE LINE FROM GANDHI NAGAR TO KADAIVEETHI OHT Under O AND M 2023 24

Amount

Labour for cutting open C.C.road for laying water mains including all cost and conveyance etc.complete.

Labour for cutting open BT.road for laying water mains including all cost and conveyance etc.complete

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

Supply and delivery of 250mm 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 ( TWAD SOR 2022-23 Page 47, item no 6.1).

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 250mm DI all socket specials

250mm DI all flange specials

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).Gandhinagar to Kadaiveethi OHT

Lowering the 150mm dia DI Pipes to trench,lowering and laying to proper Grade and alignment etc. 250mm D.I. Pipes

Refilling the trenches with excavated earth other than sand in layers of 15cm thick,watering, well rammed and consolidated etc., complete Gandhinagar to Kadaiveethi OHT

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 200mm dia DI Scour valve in 250mm 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 250mm dia DI Sluice valve in 250mm 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.200mm dia DI Scour valve in 250mm DI Pipe - (Specials like Tee, D.Foot bend,Plane bend,surface box,Tail Piece etc)

250mm dia DI Sluice valve in 250mm DI Pipe

Construction of Scour Valve Pits (1.00 x 0.90 x 1.25 m) for the following sizes of valves including cost and conveyance of materials and labour charges etc complete and as directed by Departmental Officers 200mm dia DI Scour valve in 250mm DI Pipe

Construction of DI DF GATE SLUICE VALVES Pits(1.50 x 0.90 x 1.15 m) f for the following sizes of valves including cost and conveyance of materials and labour charges etc complete and as directed by Departmental Officers 250mm dia DI Sluice valve in 250mm DI Pipe

FULL BORE ELECTROMAGNETIC FLOW METER 250mm Size 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 250mm size

OPENWELL SUBMERSIBLE PUMPSET 1500 lpm x 80m Head AS PER IS 14220 / 2002 WITHOUT PANEL BOARD Supply and delivery of Open well Submersible pump set 1500lpm x 80m Head 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.1500 LPM X 80 M Head

Supply and delivery of 6Sqmm PVC INSULATED AND SHEATHED 3 CORE FLAT TYPE COPPER CABLE CONFORMING TO IS 694/1990 AND AS AMENDED THEREAFTER

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 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.

Plain cement concrete 1:4:8 mix using 40mm HBG Metal including cost and conveyance of materials at site,and labour charges for mixing,curing and laying etc completed as per standred specification.

Plain cement concrete 1:2:4 mix using 20mm HBG Metal including cost and conveyance of materials at site,and labour charges for mixing,curing and laying etc completed as per standred specification

Goods and Service Tax @ 18%