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Development Strategies And Supplies Lengthy – time period Drawback A: This drawback entails constructing an earth dam utilizing 22,000, 000 cubic yards of clay and four,000,000 cubic yards of fresh all compacted to 95% of most density based mostly on ASTM D698. The sand and clay are positioned in separate sections of the pure floor stage. Under floor stage 30 ft of moist sand must be eliminated and changed with compacted clay to a depth of 30 ft with an excavation width averaging 100 ft. The clay will obtained three miles from the venture at an elevation 100 ft under the venture web site that’s solely accessed utilizing a mud street. The clay could be very laborious.The sand is accessible paved street, 17 miles away, 300 ft under the venture web site. The venture must be accomplished in 800 days. Decide the quantity and forms of gear you’re feeling ought to be used on this venture. Assume the dam is 200 ft excessive above the pure floor stage and has a 20 foot broad high width and a pair of:1(H:V) aspect slopes.