bids are invited for earth work excavation of hard dense soil in trenches , demolition and dismantling of cement unreinforced concrete , m and l spreading leveling and ramming in floors , m and l brick work in bricks and dry laying with sub class b , earth work returning filling in of soft loose soil , m and l cement concrete in foundations filling and mass concrete , m and l cement concrete type b 2 , supplying and laying of tubes 50 mm bore medium grade , materials and labour for laying connecting one end on service pole , fixing only and connecting electric meters up to 25amp complete as per site requirement , supply and fixing sheet metal enclosure for db tripple pole , m and l of isolator four pole 100 amps 415 volts , supply and fixing 240v 10 ka b curve miniature circuit breaker , taking down cement or cement lime plaster of any description on brick or stone walls , rendering 15 mm thick 1 ratio 4 cement plaster on fair faces of brick work or concrete surfaces , preparing new surfaces plastered or unplastered and a coat of white washing with a subsequent coat , s and f of pvc base sheet 8 mm thick 2 nos , disconnecting and taking down carefully existing tpn db and keep safely to the store for reuse , disconnecting and taking down carefully existing single phase energy meters , taking down existing sheet metal enclosure and deposite to the store