bids are invited for custom bid for services - supply and laying of power cable - power cables a2xfy :supplying, laying; testing and commissioning of 1.1 kv grade cables ; pvc/xlpeinsulated; pvc sheathed; frls armoured aluminium conductor cables of following sizes as per is:1554 (part-i), is 7098 part i & is 1225-latest version and sealed properly with pvc caps in built-up ready made trenches; overhead cable trays;pull through pipes or exposed on wall .beam/rakes; trusses tie/beamor embedded in floor or buried directly underground (excavation, sand and bricks shall be paid under seperate item of boq) or through g. i.pipe.unit rates quoted for installationof cables shall be same irrespective of route and method of laying. the rates shall include laying, pulling of cables, proper dressing of cables on cable trays, racks, vertical raceways and supply and installation of saddles, spacers and nylon chord for tying as required,identification tags at strategic points/ every 50 meter intervales,aluminium cl s. etc. cable identification tags at strategic points/ every 50 meter interval for identification of cable; etc. complete.the straight through joints/ tying with armour in the cables should be avoided. , perforated type cable trays with gi cover :supplying and installation of gi perforated (perforation not more than 17.5%) cable trays with gi cover (hot dipped galvanised : less than 2mm thick : @45 to 50 microns; 2 mm thick and and less than 5 mm thick @ 55-60 microns; 5mm thick and above : @ 85 to 90 microns) of following sizes with accessories and gi hardware (coupler plates, nuts,bolts, washers) . the scope also involves supply, fabrication and installation of all cable tray accessories like bends, tee joints, elbow up/down, reducers, fishplates, splices, cross member, connectors, etc. and no separate charges will be applicable,even though only straight lengths are indicated below. cable tray bends shall be fabricated or modified at site wherever required. structural supports for the cable tray shall be paid under seperate items of boq.design of structural supports should be submitted by vendor and approved by bpcl prior to installation.