EP 1110-2-11
30 Nov 94
Figure 5-3. Tire boom at Hardwick, VT
Figure 5-4. Oil Creek structure, Oil City, PA
cost of 0,000, for a unit cost of about
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,700/ft. Since its installation, the boom has been fully effective and the river
has remained relatively ice-free downstream from the boom in spite of extremely cold winters (Deck 1984).
d. A permanent ice control structure was also constructed on Oil Creek by the Pittsburgh district of the Corps of
Engineers in 1989. The structure is 1.5 m (5 ft) high, 107 m (351 ft) long, and includes a 13.7-m-wide (45-ft-wide) leaf
5-3
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