National Program for Inspection of Non-Federal Dams. Smith Pond Dam (NH 00073) State Number 77.12, Connecticut River Basin, Enfield New Hampshire. Phase I Inspection Report PDF Download
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Author: CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV.
Publisher:
ISBN:
Category :
Languages : en
Pages : 93
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Book Description
The dam has a hydraulic height of 11 ft. and is about 150 ft. long. It is an earthen embankment contained between dry masonry walls; the upstream wall has been crudely faced with concrete. The dam is in poor condition. Among various major concerns are seepage at two of the four dikes and the large trees growing on the dikes. It is small in size with a significant hazard classification. (Author).
Author: CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV.
Publisher:
ISBN:
Category :
Languages : en
Pages : 93
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Book Description
The dam has a hydraulic height of 11 ft. and is about 150 ft. long. It is an earthen embankment contained between dry masonry walls; the upstream wall has been crudely faced with concrete. The dam is in poor condition. Among various major concerns are seepage at two of the four dikes and the large trees growing on the dikes. It is small in size with a significant hazard classification. (Author).
Author: CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV.
Publisher:
ISBN:
Category :
Languages : en
Pages : 109
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Book Description
The dam is constructed of reinforced concrete and earth fill. It is about 225 ft. long and 16.6 ft. high. The dam is small in size with a high hazard potential. The dam is in poor condition at the present time. The spillway is capable of passing 5% of the Test Flood routed peak outflow. (Author).
Author: CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV.
Publisher:
ISBN:
Category :
Languages : en
Pages : 122
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Book Description
Butterfield Pond Dam is a stone-filled gravity structure about 210 feet in overall length and 12.5 feet high from crest of dam to toe of slope, Located in the center of the dam is the principal overflow section which is 57 feet long and consists of a concrete capped, stone weir with concrete training walls, Near the middle of the overflow section is a 16.2 feet wide by 0.2 feet deep low flow spillway weir cast into the concrete cap. As a result of the poor visual inspection of this facility, the dam is considered to be in very poor condition. It is small in size with a significant hazard potential. The recommendations and remedial measure should be implemented as soon as possible. Keywords include: Inspection, Dam safety, Connecticut River Basin, Washington, New Hampshire, and Ashuelot River.
Author: CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV.
Publisher:
ISBN:
Category :
Languages : en
Pages : 101
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Book Description
The dam is located on an unnamed tributary of the Ashuelot River. The dam is an earth embankment about 210 ft. long and 23 ft. high. The dam was originally used as a water supply but now serves only as recreation. The dam is in fair condition. The drainage area covers 1.5 square miles and is made up primarily of mountainous woodland with some pasture and minor development. It is small in size with a high hazard potential. (Author).
Author: CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV.
Publisher:
ISBN:
Category :
Languages : en
Pages : 101
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Book Description
The dam is a 730 ft. long earth embankment with a hydraulic height of 22 ft. The dam is in fair condition. Apparent seepage problems and erosion of the upstream slope above the riprap are of principal concern. It is small in size with a significant hazard potential. A major breach at top of dam could result in the loss of 3-5 lives and excessive property damage. (Author).
Author: CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV.
Publisher:
ISBN:
Category :
Languages : en
Pages : 88
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Book Description
Based on the visual inspection, available records and past performance, the dam is considered to be in fair condition. Based on size and hazard classifications in accordance with Corps guidelines, the test flood is the PMF. In addition to long term recommendations, there are several remedial measures which should be implemented immediately.
Author: CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV.
Publisher:
ISBN:
Category :
Languages : en
Pages : 75
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Book Description
The dam is a 170 ft. long, 22 ft. high dam consisting of stone, earth, and concrete. The inspection did not disclose any findings that indicate an immediate unsafe condition. The general condition of the dam is good. The dam's spillway will not pass the required test flood. Many overhanging trees and two debris dams were noted in the downstream channel. (Author).
Author: CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV.
Publisher:
ISBN:
Category :
Languages : en
Pages : 92
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Book Description
The stone masonry dam with upstream earthfill has a hydraulic height of 30 ft. and is 90 ft. long. The dam is in poor condition. There are some major concerns which should be implemented. The dam is small in size with a significant hazard potential. The test flood is 1/2 the PMF. A major breach at top of dam probably would not result in the loss of lives, but could cause appreciable property damage.
Author: CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV.
Publisher:
ISBN:
Category :
Languages : en
Pages : 84
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Book Description
Rice Reservoir Dam has a hydraulic height of 48 ft., is 12 ft. wide, and is 980 ft. kong, It is earthen embankment dam, having a reinforced concrete core and a small chute-type spillway. The dam is in fair condition. It is intermediate in size with a significant hazard potential. Keywords include: Visual inspection, Dam safety, Connecticut River Basin, Claremont, New Hampshire, and Stevens Brook.
Author: CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV.
Publisher:
ISBN:
Category :
Languages : en
Pages : 90
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Book Description
The dam is a run-of-the-river dam consisting of a rock filled timber crib overflow section capped with a 10 inch thick concrete slab. It is 150 ft. long with a maximum height of 17 ft. The maximum storage capacity at top of dam is 112 acre ft. The dam is considered to be in poor condition. The dam is small in size with a significant hazard potential. (Author).
