PROVIDING AND FIXING OF EARTHINGS AT GOVT. DISTRICT HOSPITAL RAMPURA, KOTA

S&F following sizes (dia.) of ISI marked MMS ( IS:9537 P - III ) PVC conduit along with ISI marked (IS:3419-1988) accessories as required in recess including making jhiri in the wall,clamps at suitable spacing, covering conduit and making good the same as required. 20 mm

Supplying and laying FR PVC insulated & unsheathed flexible copper conductor of following nominal sizes with ISI marked (IS:694) and as per IS 8130 : 2013 of 1.1 kV grade . Wire should be made from copper, stranding in acc. to IS:8130/IEC 60228 for lower watt loss , oxygen free for less chances of oxidization, insulation PVC type A/C/D , flame retardant as per IS 10810-53, better amperage rating as per IS:3961 part 5, in existing surface or recessed PVC/ MS conduit/casing capping making connections with Copper Lugs of suitable size, Ferrules,testing etc. as required. 1 x 4.0 sq.mm

SITC of Copper Bonded rod Earthing with high tensile strength (more than 600 N / sq.mm low carbon steel rod molecularly bonded with Copper thickness (250 microns) and confirming to UL 467 of following size and length and as per point mentioned (a), (b), [c), (d), (e) below :- (a) Bore a hole of dia. 100 mm of required length, Place the rod in the centre of Hole (b)Earth enhancing compound to ensure the moisture content and electrical conductivity, 25 kg for 3000 mm. The compound shall be tested form NABL accredited lab for low resistivity (less than 0.12 Ohm - meter) & high conductivity in nature with carbon as a major content in accordance with IEC 62561-7 (c.) Connect the rod with copper Strip/Conductor/Wire with suitable clamp made from tinned copper and SS 304 Bolt (d) Place Heavy duty weather proof poly-propylene earth inspection chamber as per requirement of IS/IEC 62305 and tested as per IEC 62561-5 with lockable Jam free lid suitable for safe working load 60 kN of round / square size 250 mm, and Height 250 to 300 mm. (e) Testing of earth resistance for value of 5 ohms or less as required. (f) Test certificates for confirming above standards from OEM is mandatory. 25 mm thick and 3 Mtr. Long

Supply & Laying following size earth wire in horizontal or vertical run in ground/surface/recess including riveting, soldering, saddles, making connection with GI/Cu purity purity >95% thimble etc. as required. 8 SWG copper Wire

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