Directorate Of Construction Services And Estate Management Tender

LT Cables End Joints: End jointing of following sizes of cable by crimping with supply of all jointing materials like solderless tinnedcopper cable socket,double compression brass cable glands, gland earthing, insulation tape, flux, duplicate interconnection between gland earthing strip & to the nearest earthing bus terminals as per the drawings,specifications and as per the instructions of the Engineer-in-charge.

4C x 16 Sq.mm Al. conductor cable

4C x 6 Sq.mm Al conductor cable

Supply, installation, testing & commissioning of following readymade distribution boards, double door, IP 42 degree protection complete with necessary, MCB isolators , MCBs,earth leakage circuit breaker (ELCB) etc including interconnections with appropriate capacity size of PVC insulated copper conductor wires (ISI marked),suitable for concealed mounting /wall mounting with MS frame workof 40 x 40 x 5 mm MS angle iron, with M.S. enclosure fabricated out of min 18 SWG /20 SWG thick M.S. CRCA sheet as per manufacturers standard, with concealed hinged door, locking arrangement etc. including earthing clamps for both incoming & outgoing circuits,interconnections, per phase isolation kit as required,cable end box & wire way box if required, continuous copper earth wire in the wire way box with single/duplicate brass earthing terminals, danger board, name plate, flexible earthing for the door, metal treatment & powder coatedpainting, Phase Distribution drawing etc. all as per drawings (G.A. & fabrication drawing to be got approved). Note: 1. MCBs (Type –C) shall be minimum 10 KA breaking capacity, as specified. 2. Blanking Plates shall be included in scope of work. 3. DB shall be of standard readymade type from approved manufacturers as indicated in preferred makes of material.

ETPN DB : a) 63A FP MCB - 1 No. b) 63A DP ELCB with 30mA sensitivity - 3 nos. c) 6-32A SP MCB - 24 nos. d) 8 way brass neutral link - 4 set

MCB enclosure: Supply, Installation, Testing & Commissioning of following MCB with suitable weatherproof enclosure with angle iron framework if req. including minor civil works to fix on the wall etc. complete and all necessary.

32/63A, 25 kA FP MCB

125A ,25 kA FP MCB

Point wiring in PVC (HMS variety) conduits : Point wiring for light/ceiing fan/6A/ 16A/ socket outlet/6A outlet for exhaust fan , bell point etc. with 1.1 KV grade FRLS PVC insulated multistranded copper conductor wire (ISI marked), in existing floor raceway/Existing PVC truncking/ 25 to 40 mm dia High mechanical stress (HMS) rigid PVC conduit/casing caping having ISI marked IS 9537 Part - 3, including fixing accessories & hardware concealed /exposed in slab/wall or on 5mm.thick G.I. spacers fixed with no. 10 nettle fold wood screws with nylon plug complete with all conduit accessories 0.9mm G.I. Saddles, ready made MS switch boxes & socket outlet boxes of nominal 1.2 mm thickness , brass earthing stud 1/2 nos, controlling modular switches, sockets with moulded front plate and inner plate etc. including appropriate size of FRLS PVC insulated copper earth wire ,brass/bakelite (straight / angular) lamp holders, 3 plate ceiling rose,6 A, connectors, painting etc. as per specifications and drawings and as per instructions of E-I-C and as detailed below : (sample switch Box etc. to begot approved before fabrication). NOTE: 1. Connections shall be done with crimped type tinned copper lugs & washers. 2. All switches & socket outlets shall be as per preferred makes. 3. All sample boxes with accessories /luminaires shall be got approved from Department. 4. MS boxes other than switch boxes & socket outlet boxes shall be fabricated out of minimum 1.5mm thick MS sheet duly painted with red oxide primer & 2 coats of epoxy paint. 5. Minimum size of the FRLS insulated copper earth continuity wire shall be 2.5 sq.mm. 6. The colour shade of switches shall be white /off white. For socket outlet points/switch boards on normal power supply, the cover plate shall be white/off white colour, graphite grey (RAL 7024) or other shade as per instruction of EIC, for socket outlet points/switch boards on DG power supply. 7. The scope also includes supply of modular blanking plates where ever required. 8. The maximum permissible number of FRLS insulated wires through PVC/MS conduits shall be as per technical specifications. 9. PVC trunking shall be measured separately under relevant item.

6A socket point with 2 nos of 1.5 sq.mm wires alongwith 1 no of 2.5 sq.mm insulated earth wires & 6A switch on switchboard.

16 A 6 pin socket outlet point with 2.5 sq.mm wires alongwith 1 no of 2.5 sq.mm insulated earth wire complete with 16 A switch in one box.

16 A 6 pin socket outlet point with 2.5 sq.mm wires alongwith 1 no of 2.5 sq.mm insulated earth wire complete directly controlled from DB.

Point wiring for single phase exhaust fan with 1.5 sq.mm phase wires & 2.5 sqmm earth wire & with ceiling rose near exhaust fan & controlling 6 A , 240 V SP switch on nearest switchboard.

Point wiring with 6 sq.mm wire and 4 sq.mm insulated earth wire complete with 20 A 3pin socket outlet with plug(Industrial Type) & 20A DP MCB on wall, in readymade weatherproof powder coated MS CRCA box with MS cover and with necessary cutouts, interconnections earthing stud etc .MCB shall be with 10 KA breaking capacity.

Point wiring with 10 sq.mm wire and 6 sq.mm insulated earth wire complete with 32 A 3pin socket outlet with plug(Industrial Type) & 32A DP MCB on wall, in readymade weatherproof powder coated MS CRCA box with MS cover and with necessary cutouts, interconnections earthing stud etc .MCB shall be with 10 KA breaking capacity.

Supply, installation, testing & commissioning of maintenance free earthing system & associated works, etc.complete as per specifications & instructions of E-I-C. NOTE:1) Measurement of Earth resistance must be carried out as per instructions of EIC.

G.I / tinned Cu earth wire/earth strip fixed on wall/side of trench/slab /column /beam/ shaft connection to panel/DBs/SFU's etc. with 5mm thick G.I. Spacers & 2mm thick G.I. Saddle or in ground at 500 mm below with earth enhancing material surrounding the strip, including excavation in ground, refilling & removal of excess earth within a radius of 500 m, temporary instatement & backfilling of trench, consolidation, painting with two coats of black bituminous paint for earth wire/ strip in ground & green enamel paint for earth wire /strip on surface etc.

25 X 6 mm tinned copper strip

8 SWG tinned Cu earth wire

CABLE TRAYS AND CABLE MANAGEMENT SYSTEM : Supplying and fixing following sizes of GI wire mesh tray,hot dipped galvanised between 60 and 80 microns of zinc as per BS 729 carbon Steel cable trays including horizontal and vertical bends, reducers, tees, cross members and other accessories as required, and duly suspended from the ceiling with electro-zinc coated TF rods, wall mounting brackets etc.

150mm width x 50 mm depth

MS Fabrication : Supply, fabrication and installation of supports using MS channel/angle / flat/ MS rod hangers etc. including cutting, fabrication, welding etc. and painting with two coats of primer and two coats of enamel/ PU paint of approved shade as per instructions of EIC.

Blank PVC (HMS) Conduits : Supply & installation of high mechanical stress (HMS)rigid PVC conduit having ISI marked IS 9537 Part - 3,including fixing accessories & hardware concealed/exposed in slab/wall or on 5mm. thick G.I. spacers fixedwith no. 10 nettle fold wood screws with nylon plug complete with all conduit accessories 20 SWG G.I.Saddles, MS/PVC pull out boxes, MS/PVC junction boxes,couplers, bends binding wires etc. as per site condition & as per instructions of E-I-C and of following sizes :-

32 mm dia

PVC trunking system : Supply, installation, testing & commissioning of PVC trunking/casing capping with flexible cover of following sizes of M/s Legrand make, suitable for mounting on wall as per instructions of EIC. Note: All the accessories like Internal, Flat & external angles,VDI accessories for internal, Flat & external angles, end caps, joint covers, cable tie base etc. suitable for PVC trunking shall be included in the scope of work.

80 x 50mm PVC trunking with flexible cover

150 x 50mm PVC trunking with flexible cover