Roads And Buildings Department Tender

(h) 4 wire 6 sq. mm

Providing and erecting Approved make Four pole moulded case circuit breaker having breaking capacity ICU of 25 KA at 415V, having normal current rating up to 25A to 100A. with fixed thermal & magnetic release suitable to work on AC supply 50c/s. with all internal connections, spreader tinned copper & complete erected in existing 16G.M.S. housing. ICS = 100% of ICU only, Cat III (Make: L&T/Legrand/Schneider Make).

Providing and erecting an approved make four-pole moulded case circuit breaker having a breaking capacity (ICU) of 35 kA at 415V, having a normal current rating of 125A, with fixed thermal & magnetic release, suitable to work on AC supply (50 Hz), with all internal connections, spreader (tinned copper), and complete erection in existing 16GMS housing. ICS = 100% of ICU only, Cat III (Make: L&T/Legrand/Schneider Make).

Supplying and erecting triple pole & neutral 440V / 500V panel mounting copper busbars with four equal Nos. of electrolyte bus having current density not more than 1.6 Amp./sq.mm (Rated current/cross-section area) duly wrapped with colour insulating tape for phase sequence of the following current carrying capacity, erected with necessary busbar supports/insulators, main cable socket to each bar, erected in existing cubical panel with necessary connections. (B) Suitable for 200 Amp. capacity.

Providing and erecting Miniature circuit breaker, single pole, 6A to 25A, suitable to operate on 240V AC system and having breaking capacity 10kA, to be erected in existing box, confirming to IS 8828/1996 with ISI Mark, Cat. III (Make: L&T/ Legrand/ Schneider Make).

Providing and erecting a 415V MCB, four-pole for motor and inductive load (C Curve), having a 10kA breaking capacity and conforming to IS:8828, in an existing box having the following capacity: 63 Amp, Cat. III (Make: L&T/Legrand/Schneider Make).

Providing and erecting sheet steel powder-coated MCB distribution board - flush/surface mounted, fitted with busbar, neutral link, earth bar, and DIN rail. Conforms to IS 8623-1 & 3, IEC 61439-1 & 3, without MCBs, to house appropriate numbers of MCBs. (The DBs should be used with MCBs of the same company.) Suitable for (B) three-phase incoming and single-phase horizontal type outgoing. Per-phase isolation type (PPI) (b) sheet steel double door (ii) 6 way (Make: L&T/Legrand/Schneider Make).

Providing and erecting approved make RCCBs conforming to IS:12640 and having a sensitivity of 30mA and short circuit withstand capacity of 10kA and suitable for operation on single-phase 240V, 50Hz. Having characteristics of quick action & tripping with all advance features & do not incorporate any electronic components. For the following maximum rating erected as directed: (ii) 40 Amps. DP Cat. III (Make: L&T/Legrand/Schneider Make).

Providing and erecting Annealed bare Copper wire 8 to 16 SWG.

Providing and erecting weatherproof, dust & vermin proof, floor mounted front operated indoor type cubicle panel board necessary IP42 and above protection as per approval from engineer in charge, made from 14 SWG thick CRC M.S. sheet for outer body & doors, 16 SWG thick CRC M.S. sheet for internal partitions with necessary accessories, supporting angles/flats/channel including cutting, bending, drilling, welding, riveting with internal partitions & cable alley as per requirements & instruction of engineer-in-charge with erection of supplied switch gears, busbars, suitable size of interconnecting PVC copper wire/copper-aluminium strips, rubber grommets, rib, bakelite control fuses/MCB for measuring instruments, earth bus & earth bolts, foundation flange - bolts - base plates, sufficient nos. of hinged doors, handles with locking arrangement and rubber gasket, heavy duty end terminal connection, danger notice board, necessary ventilation, earthing strip complete. The panel shall be painted with epoxy powder coating. (The rates exclude the cost of switch gears, busbars, interconnecting mains & Copper Aluminium strips, meters, fuses etc. The dimension shall be measured excluding base beams) The panel shall be supplied with following approved manufacturers with following size. (A) Locally fabricated panel board (i) with 350 mm depth.

Providing and erecting XLPE (IS:7098)(I)-88 ISI armoured cable, multi-strand Aluminium conductor for 1.1 KV, to be laid on wall with necessary clamps or in existing trench/pipe of following size of cables (B): 3 1/2 core 35 Sq. mm (16 Sq. mm 1/2 core) [Make: Kei/Havells/RR Kabel].

D) 3 1/2 core 70 Sq. mm (35 Sq. mm 1/2 core) [Make: Kei/Havells/RR Kabel]

Providing and fixing heavy-duty flange type brass double compression type cable gland with rubber ring for PVC insulated armoured cable complete without gland tails, insulating tape etc for following size of cables. (B) 3 & 1/2 core 35/50 Sq. mm [4-6-3] Add 1% labour cess.

Solderless crimping type Aluminium lugs conforming to IS suitable for cable of following size evenly crimped with high pressure tool & connected to switchgear terminals with brass/cadmium plated nut bolts in an approved manner (C) 16/25 Sq.mm.

(D) 35/50 Sq.mm.

(E) 70 Sq.mm.

Supplying and erecting an approved make panel mounting type Digital Voltmeter having a 3 digits LED display, 0 to 750 AC Volts range, erected on an existing panel board with all connection, wiring, etc. with manufacturer's calibration certificate.

Supply and erect an approved make panel mounting type digital ammeter having a 3-digit LED display, externally operated, calibrated for 0 to 1000 Amps, suitable to operate on 500 Volt AC, erected on an existing panel board with all connections, wiring, etc., with the manufacturer's calibration certificate.

Supplying and erecting an ammeter/voltmeter selector switch for a 3-phase AC supply (500V) on an existing panel board with necessary connections.