tender for electrical connection for prototype buildings; 1 supplying and fixing of 25 sq. mm cable for 3.5 core of havells/ bajaj/ philips or its equivalent make 2 supplying and fixing of 10 sq. mm cable for 4 core of havells/ bajaj/ philips or its equivalent make. 3 supplying and fixing4 way(4+12) double door , horizontal type three phase pole and neutral, sheet steel, mcb distribution board, 415 v, on surface/ recess, complete with tinned copper bus bar, neutral bus bar,earth bar, din bar, interconnections, powder painted including earthing etc. as required (but without mcb/ rccb/ isolator) 4 excavating trenches by mechinical/ manual means of required width for pipes, cabels, etc including excavation for sockets, and dressing of sides, ramming of bottoms, for all depth, including consolidating each deposited layer by ramming, watering, etc, and disposing of surplus excavated soil as directed, within a lead of 50m :all kinds of soil ,pipes, cabels etc, not exceeding 80mm dia 5 supplying and fixing 100a , four pole, 415v , isolator in the existing mcb db comlete with connections, testing and commissioning etc. as required. 6 s/f32a rating, 240/415v 10ka, “c” curve. miniature circuit breaker soitable for inductive load ofsingle pole in the existing mcb db complete with connections, testing and commissioning etc. as required. 7 p/l brunt clay bricks for trench work. as required.