tender for major repair at boys high school balhama. - earth work in surface excavation not exceeding 30 cm in depth but exceeding 1.5 m in width as well as10 sqm on plan including disposal of excavated earth, lead upto 50 meter and lift upto 1.5m, as directed by engineer-in-charge. all kinds of soil: supplying and laying of dry stone soling hand packed tightly including ramming, watering and filling of interstices including all carriages complete. providing and laying in position cement concrete of specified grade including curing but excluding the cost of centering and shuttering. all work upto plinth level with: 1:4:8 (1 cement: 4 coarse sand: 8 graded stone aggregate 40 mm nominal size) cement concrete flooring 1:2:4 (1cement: 2 coarse sand: 4 graded stone aggregate) finished with a floating coat of neat cement including cement slurry and curing complete, but excluding the cost of nosing of steps etc. complete. 50 mm thick with 20mm nominal size stone aggregate