Details: earth work by mechinical / manual means in rough excavation, banking excavated earth in layers not exceeding 20cm in depth, breaking clods, watering, rolling each layer with 'a tonne roller or wooden or steel rammers, and rolling every 3rd and top-most layer with power roller of minimum 8 tonnes and dressing up in embankments for roads, flood banks, marginal banks and guide banks or filling up ground depressions, lead upto 50 m and for all lift all kinds of soil providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work up to plinth level : 1:1½:3 (1 cement: 1½ coarse sand(zone-iii) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources). providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - 1:5:10 (1 cement : 5 coarse sand (zone-iii) derived from natural sources : 10 graded stone aggregate 40 mm nominal siz
Sector: Police and Internal Security