operation and maintenance of electrical accessories at nkda administrative building, aa-id, newtown, kolkata under nkda. from 1.12.2023-30.04.2024- 1 operation of internal &externalelectrical equipment , like street light,light, fan, pump, sound systems and ancillary accessories like feeder component etc. with sweeping, cleaning,guarding the site within safty rules as per ie rule, maintaing the electrical store register, making arrangement of ladder/ scaffolding , necessary tools, the above items are excluding the supply of spares like lamps, etc. but inclusive labour cost for replacement and repairing work. the materials will be supply by dept as per site requirment. engagement of labours in three shift everyday. no. of staff dependas per siterequirment. a) hi skilled supervisour labour 2 b) skilled labour 3 supply of following materials as per site requirment like as per previous specification: make pwd approved. a) 20 mm dia pvc conduit 4 b) 25 mm dia pvc conduit. 5 c) pvc casing-capping of size 20x12mm 6 d) pvc casing-capping of size 25x12mm 7 e) 1.5 sq.mm fr stranded copper wire 8 f) 2.5 sqmmfr stranded copper wire 9 g) 4.0 sqmm fr stranded copper wire 10 h) 6a modular type switch 11 i) 16a modular type switch 12 j) 6a modular type 5 pin plug socket 13 k) 16a modular type 6 pin plug socket 14 supplying and fixing 240/415 v mcb isolator on din rail of existing dbs and nec essary connection. make- pwd approved. a) 40 a dp 15 b) 63 a fp 16 supplying and fixing 240/415 v mcb of breaking capacity 10ka & c characteristics on din rail of existing dbs and necessary connection. make pwd approval. a) 6-32 a sp 17 b) 6-32 a fp