Supply of relay, ac immune, plug-in-type, style qbat, aci, dc biased track relay 9 ohms, 2f-2b contacts, front and back contacts metal to carbon, complete with plug board, retaining clip and connectors conforming as per rdso/spn/84 ver 2.0 or latest if any interlocking code is abejx.

Procurement of brass ball valve 20mm, 50mm, ms gi nipple-pipe 20mm, and ms gi socket-pipe 20mm for use at pump section, ocp-3, rg2

Supply, demonstration, commissioning of all software/ updation / enhancement from time to time of profometer rebar diameter & advance concrete cover meter, from concrete rebar detection to line scanning, precise concrete rebar cover measurements and diameter estimation with great clarity of precision, ergonomics productivity and technical specification are as follow:- 1. profometer app. - technical specifications:- (i) review modes:- area scan view multiline scan view, (ii) image processing:- auto rebar spacing first rebar layer neighboring rebar correction first layer neighboring rebar correction second layer, (iii) display settings:- concrete cover threshold slider with color palette, (iv) reporting:- instant report generation jpg (screenshot), (v) display unit specs:- screen size: from 7.9 inch to 12.9 inch, resolution : up to 2732-by-2048, memory: up to 02 tb, weight: down to 301 gm/10.6 oz, camera: up to 12 mp wide and 10 mp ultra wide, optional: usb-c, 5g, face id, (vi) display unit sensors:- three – axis gyro, accelerometer, ambient light sensor barometer built -in- gps/gnss (2) instrument. technical specifications:- (i) technology:- eddy-current, (ii) connection:- wireless, (iii) cover measuring depth:- up to 185 mm/7.3in, (iv) cover measuring accuracy:- +/-1 mm/ 0.04 in to 4 mm/ 0.16 in depending on depth , (v) rebar diameter measuring depth:- up to 63 mm/2.5 in, (vi) rebar diameter measuring accuracy:- +/-1 rebar size (possible under optimal conditions. please refer to the manual), (vii) encoder accuracy:- +/-0.5 mm/0.02 in +0.05% of measured length, (viii) max scanning speed:- 0.5 m/s – 1.7 ft/s, (ix) max line scan distance:- 1 km/ 0.6 miles, (x) display:- high-contrast loed screen, (xi) dimensions:-250x130x45 mm / 9.8x5.1x1.8 in (with cart), 190x75x45 mm / 7.5x3.0x1.8 in (without cart) (xii) weight:- 690 gm/ 1.5 ib (with cart), 300 gm / 0.7 ib (without cart), (xiii) battery:- 2x aa(nimh) rechargeable or non rechargeable removable flight-safe, 8 hours autonomy, usb-c power bank (not included)

(a) electrical general work in connection with s&t work conversion of relay based interlocking to electronic interlocking at siliguri town (sgut) station of katihar division (balance installation under priority category - 3) . (b) electrical general work in connection with s&t work provision of distributed type electronic interlocking system at sguj station of katihar division .

Supply of universal lamp proving relay ac miniature, plug-in contacts 4f-4b metal to carbon, as per rdso specn. no. sts/e/relays/ac lit led signal/09-2002 : irs:s23:rs:s34 and spec. no. brs:940,941a (common for main subsidiary signals) and technical specifications, for 110v dc/12w led signal of main all aspect, calling-on, route and shunt signals, complete with plug board, base, retaining clip and connecto

For complete deion and other details, please refer to tender

For complete deion and other details, please refer to tender

For complete deion and other details, please refer to tender