DESIGN AND CONSTRUCTION OF A PRESSURE RELIEVED GRAVING DOCK FOR BAY SHIPBUILDING CORPORATION, STURGEON BAY, WISCONSIN
Describes a recent patented type dock using the hydrostatic pressure relieved floor in which the floor thickness is designed to take only weights imposed upon it by the ship or the water when in the flooded condition. The uplift under the floor created by hydrostatic pressure is relieved by a subfloor drainage and pumping system, thus eliminating the necessity to design for hydrostatic uplift forces.
Abstract In southern Rhode Island, there is growing concern that housing and recreational demands will soon overwhelm the capacity of the coastal salt ponds to absorb wastes, produce seafood, and maintain scenic qualities. As a result, coastal towns have been studying the feasibility of using land controls such as downzoning to protect these coastal amenities. The paper presents an economic analysis of the downzoning program proposed in the town of South Kingstown. Hedonic price and contingent valuation methods are used to value coastal amenities. The estimated net present value of “swimmable” water is shown to be $3.1 million.