Tender For providing and installation of electrical accessories and allieds works at shaspur pwss, block-rampurhat-ii under bolpur mechanical division - supply, delivery at site and storage of wall mounted made of sheet steel fabricated 2 mm for load bearing & 1.6mm for non load bearing, indoor type, dust & vermin proof, lp-54 degree of protection, powder coated painted with rubber gaskets cover, front lockable hinged door with all switchgear and other items duly wired up and tested as per specification: incomer: (a) 100 amps, tpn mccb with adjustable ol, 36 ka, e/f, auto phase corrector & necessary accessories with suitable spd (i.e., ammeter, voltmeter, cts & switches), outgoing:- (b) 7.5 hp to 12.5 hp, tp star-delta starter with other accessories - 1 nos., (suitable size capacitor bank to improve pf from o.85 to 0.98) (c) yard lighting feeder with necessary accessories & time switch(digital) - 1 no. (d) 3phase actuator valve starter with other accessories -1 nos., (e) 2 hp ,3 ph,415v,clorinator feeder with necessary accessories & level controller-1 no., (f) 32a mccb fdr for iep/misc purpose-1no., (g) 32a mccb for in house light-1no.,(e) plc feeder with necessary accessories-1no.( all spare & components as per vendor list of phed), supply and delivery at site of 15 kva, 3phase, oil cooled type servo motor operated copper wound line voltage corrector conforming to is-9815 (pt.-1)- 1994 suitable for un-balanced input voltage with following specification including first filling oil as per is-335 where applicable.a) input voltage:- 3 phase, main supply may or may not be balanced with respect to phase to phase- 200v-500v phase to neutral-115v-290v.b) output voltage:-3 phase balanced output voltage. phase to phase- 400vor 415v 1%, phase to neutral- 230v-240v 1% (provision should be made to adjust the variation of output voltage per phase by a variable pot oil within 5% of output).c) line regulation:- out put voltage should remain well with 1% of set voltage (from minimum to maximum i.e. either 400v. or 415v. supply variation).d) load regulation : output voltage should remain neutral well within 1% of set voltage be ( from no load to full load ) i.e. either 400v. or 415v.e) correction speed:- better than 35 volt / second.f) efficiency:- better than 95% on full load.g) cut off limit (minimum &maximum ) by limit switch with audio & visual.h) metering indication:- by selector switch provision should be made available to measure input mains supply and output voltage other stabilizer for load current measurement an ammeter with selector switch should be available.i) lamp indication :- for input & output should be provided. ( 3 lamps per side ).j) mcb protection: for input side.k) load protection : hrc fuse on each output phase should be availablel) output over shoot:- beyond 210v to . 255v /phase in case of manual mode & voltage protection :auto mode operation.m) visual indication for under voltage & over voltage of output.n) manual mode:- up & down correction with o / p voltage over shoot protection. beyond 210 v-255 v. per phase.o) nature of cooling:- oil cooled system.p) electric current over load protection .q) circuit for delay output .r) input high voltage cut-off above 500 v.s) mode of operation:- auto/manual with a provision to restore the normal working of the unit standby operation should be available in case of any electronic failure in auto mode., installation of mcc panel along with main switch, changeover, busbar chamber, cut out etc. all electrical equipment within the pump house, drawing of cable properly on suitable size gi cable tray on wall / as per direction of eic as per layout & ie rules and all connection with supply necessary materials, cable etc to complete the work, making arrangement with supply & fixing of materials for taking power within the pump house from wbsedcl end as per direction of eic. [for ph no - i, ii & iii], installation of above supplied stab
Tender For procurement and installation of different instruments for instrumentation of earth dam and spillway in deo irrigation project for the year 2025. - supply of fiberglass reinforced plastic (frp) make universal enterprises an improved venturi plate conformed to is: 9108 for accurate measurement of water flowing through channels comprising of masonry construction provided with pre-fabricated glass fiber lining on both sides, a side chamber provided in one side masonry wall of the said flume on the upstream side, a pipe provided at the bottom of the chamber connecting the said chamber with the water flowing through the notch, a float means provided in the said chamber, enabling recording the rising or falling level of water in the said chamber such as a scale provided in the said chamber, moulded engraved gauge marking in lit/sec and also in centimeter including moulded and engraved discharge table, capacity marking, flow direction, m.s pipe stiffeners, hold fasts, sand treatment on the backside of plate but excluding gst as per the instruction of engineer-in-charge etc. complete, inside spillway foundation gallery - 15 lit./sec. v-notch, seepage drain - 90 lit./sec. v-notch, calibration marks:- supply of polymers composites improved calibration marks make universal enterprises with contact molding process, both side finish, m.s. strip embedded inside, engraved and molded marking for bands and figures covered with radium and covered with two coats of polyurethane for surface protection with marking in reduced levels, sill, fsl, frl, mwl but excluding gst as per the instruction of engineer-in-charge etc. complete, supply vw up-lift pressure meter provision for connected to das make : aimil ltd. uplift pressure meters are used for measuring and recording of uplift pressures acting in foundations of concrete/masonry dams. vibrating wire type uplift pressure meter : range: 0.2 mpa to 5.0 mpa./7ksc accuracy: 0.5 -1 % fs. temp limit: - 10 to 70 deg c. coil resistance: 140 - 160 ohm thermistor: ysi-44005 or equivalent. material: stainless steel cable: 1m, 4-core borehole for uplift pressure meter at foundation gallery (inside spillway) should be straight from foundation level and clear. proposed location : inside spillway foundation gallery in overflow section: 7 no. non overflow section: 2 no. purpose: uplift water pressure measurement. (but excluding gst), supply automatic seepage measuring system make : aimil ltd / sysgeo italy or equivalent vibrating wire water leakage measuring systems are used for measuring water leakage and flow in dam galleries by installing v notch weir coupled with vibrating wire sensor for remote monitoring of water leakage. sensor type: sensor : vibrating wire precision water level sensor range: 300mm resolution: 0.025%fs material : stainless steel excitation : sweep or pluck assembly: v.w. type sensors enclosed in an environmental proof fibre glass box. splicing kit & adhesive required accessories. proposed location : inside spillway foundation gallery: 1 no. toe drain: 1 no. (drainage outlet) purpose: seepage water measurement in liter per second (but excluding gst), supply data logger or data acquisition system aimil make dt85g with cem20 or ace s korea analog channels 16 analog input channels each channel is independent and supports: one isolated 3-wire or 4-wire input, or two isolated 2-wire inputs, or three common referenced 2-wire inputs. expansion requires optional cem20 sampling integrates over 50/60hz line period for accuracy and noise rejection maximum sample speed: 40hz effective resolution: 18 bits linearity: 0.01% common mode rejection: >90db line series mode rejection: >35db vibrating wire frequency range: 500 to 5khz coil resistance: 50 to 200 stimulation method: single pulse pluc digital channels 8 bi-directional channels input type: 8 logic level (max 20/30v) output type: 4 with open drain fet(max: 30v, 100ma) 4 with logic output alarms power supply , sim card will be in your scope. propo