A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
National Program for Inspection of Non-Federal Dams. Chestnut Hill Dam (CT 00298), Housatonic River Basin, Wolcott, Connecticut. Phase I Inspection Report
The 36.1 foot high dam consists of an earth embankment with a concrete corewall and has a total length of 788 feet including a 28 foot long concrete spillway with permanent stop planks at the left end. The embankment has a top width of 13 feet with a 2 horizontal to 1 vertical upstream slope protected by hand placed riprap to within 2 feet of the top and a 2 horizontal to 1 vertical downstream slope with a 7 foot wide berm about 12 feet from the top. A concrete gate chamber and brick gatehouse are locate on the upstream side of the embankment. The gatehouse houses two hand wheel pedestal gate lifts controlling a 12 inch outlet and a 20 inch outlet from the gate chamber. Based upon the visual inspection at the site and past performances, the project is judged to be in fair condition. No evidence of instability of the project was observed. There are items which require attention, such as trees and brush on and at the toe of the embankment, seepage through the embankment, deterioration of the concrete spillway training wall and outlet headwall, the poor alignment of the spillway discharge channel and low-level outlet channel, and the unknown condition of the 12-inch outlet from the gate chamber. The spillway capacity with the reservoir level to the top of the dam is 980 cfs, which is equivalent to 48% of the routed test flood outflow.
National Program for Inspection of Non-Federal Dams. Chestnut Hill Dam (CT 00298), Housatonic River Basin, Wolcott, Connecticut. Phase I Inspection Report
The 36.1 foot high dam consists of an earth embankment with a concrete corewall and has a total length of 788 feet including a 28 foot long concrete spillway with permanent stop planks at the left end. The embankment has a top width of 13 feet with a 2 horizontal to 1 vertical upstream slope protected by hand placed riprap to within 2 feet of the top and a 2 horizontal to 1 vertical downstream slope with a 7 foot wide berm about 12 feet from the top. A concrete gate chamber and brick gatehouse are locate on the upstream side of the embankment. The gatehouse houses two hand wheel pedestal gate lifts controlling a 12 inch outlet and a 20 inch outlet from the gate chamber. Based upon the visual inspection at the site and past performances, the project is judged to be in fair condition. No evidence of instability of the project was observed. There are items which require attention, such as trees and brush on and at the toe of the embankment, seepage through the embankment, deterioration of the concrete spillway training wall and outlet headwall, the poor alignment of the spillway discharge channel and low-level outlet channel, and the unknown condition of the 12-inch outlet from the gate chamber. The spillway capacity with the reservoir level to the top of the dam is 980 cfs, which is equivalent to 48% of the routed test flood outflow.
National Program for Inspection of Non-Federal Dams. Chestnut Hill Dam (CT 00298), Housatonic River Basin, Wolcott, Connecticut. Phase I Inspection Report
1981
80 pages
Report
No indication
English