e-tender / eng / et-452 / 22-23 e.i works for replacement of raptured feeder from ground floor to 8th floor with allied works at western wing of main academic building in ballygunge science college campus, university of calcutta. , control cable supplying of pvc arm.cable with al. conductors of 1.1 kv grade conformsto i.s:1554 ( part-1 ) for following cross -section a ) 2x240 sq.mm 4core coremake: mescab / havells / polycab [ as per market price basis dated 25.02.2022 ] , laying of two cables above 185 sqmm in an underground trench in single tier formation ( horizontal ) , the trench size : 680 mm x 760 mm average depth, with brick protection on the top of each cable 8 ( eight ) nos. bricks per mtr. and 4 ( four ) nos. bricks per mtr. as separator between the bricks and cables and also trench to be filled up with shifted soil, levelling up and restoring surface duly rammed [ pwd sch 2017 page no f2 / 2c ] , laying of cable as below, after cutting floor / pavement / wall / and making holes incl., embedding the cable at an average depth as below and mending good the damages to original finish incl. removing the rubbish above 95 sqmm at an average depth of 100 mm in floor / pavement / wall etc. [ pwd sch 2017 page no f3 / 5 ] , supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of xlpe / pvc armoured cables as below : for 4 core..upto 240 sqmm [ pwd sch 2017 page no f4 / 7c ] , finishing the end of following xlpe / pvc armoured cables by crimping method incl. supplying and fixing solderless socket ( dowels make ) , tapes, anticorrosive paste & jointing materials 4 core 240 sqmm cable [ pwd sch 2017 page no f5 / 8b / xxii ] , supplying & laying of following sizedwc hdpe pipe isi marked along with all accessories like socket, bend, coupler etc, comprising to is16205 comple- te with fitting, cutting, jointing etc direct in ground ( 75cm below gl ) incl.ex- cavation & refilling the trench but excl.sand cushioning & protective coveri- ng etc complete as required. 100mm dia , 18 % gst