operation & comprehensive annual maintenance contract of external / internal electrification, elevator & misc equipments at drdo complex, development enclave, delhi cantt -no. 1 modular type switches / sockets / fan regulators / telephone / lan / tv front plates and anodised gi boxes / buzer 2 frls insulated copper conductor wires 3 frls conduits ( pvc / ms ) & accessories 4 metal clad sockets 5 mcbs 6 cb distribution boards 7 light fixtures 8 exhaust fans 9 ceiling fans 10 buzzers 11 telephone cables 12 mv switchgear 13 measuring instruments 14 mv panels 15 ht cables 16 mv & control cables 17 cable glands 18 cable lugs 19 gi pipe 20 maintenance free earth station 21 tvss 22 vacuum circuit breakers & sfu 23 capacitors 24 lt cts / pts 25 electronic meters 26 power factor control relay 27 heat shrinkable jointing kits 28 battery / battery charger 29 capacitor switching conductors 30 power system relays 31 twisted pair / control cables 32 street light fixtures 33 telephone sockets 34 pvc conduits & accessories 35 acbs / mcbs / tpn sfus 36 underground cables 37 fire extinguishers 38 horizontal centrifugal fire water pumps 39 raw water / treated water / soft water pumps 40 motors 41 pressure switch 42 d.i. pipes 43 mechanical joint fittings 44 underground pipe protection 45 ci slim seal butterfly valves 46 electrically operated butterfly valves 47 dual plate check valves ( nonreturn ) 48 gun metal gate valves 49 earth station 50 sluice valves 51 air valves 52 valves 53 ms pipe 54 led indications 55 relays 56 anti-vibration pads 57 pressure gauges 58 digital flow meter 59 mccb 60 geysers 61 frls copper conductor wires 62 multi detectors 63 control / monitor modules 64 manual call points & loop sounders 65 faultlsolators 66 siren 67 m c p 68 control panel - fas 69 repeater panel 70 battery ( sealed maintenance free ) 71 ups 72 sensor fire alarm and detection system addressable, digitally, conventional 73 fire alarm control / repeater panel 74 detector & devices ( hooter, mcp, control / relay / monitor module, fault isolators etc. ) 75 response indicator 76 pa system 77 talk back system audio video system for auditorium 78 acoustic ceiling 79 acoustic wall panelling 80 sound reducing door 81 general lighting 82 video door phone system 83 telephone equipment 84 epabx 85 krone boxes it -networking 86 lan / cat-6 cable, patch cord, patch panel, fiber cable, liu, pigtails etc. 87 network switches 88 racks