National Program for Inspection of Non-Federal Dams. Whitewater Brook Dam Number 2 (NH 00344) (NHWRB 47.30) Connecticut River Basin, Claremont, 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
Whitewater Brook Dam No. 2 is an earth dam with a concrete side-channel spillway, Top of dam elevation is 975.0 and spillway crest elevation is 967.0. The dam has a maximum height of 95 ft. and is approximately 425 ft long. The spillway is located at the east end of the dam. Based on visual inspection and available records, the dam is considered to be in good condition. The rock embankments protection on both slopes has deteriorated. It is intermediate in size with a high hazard potential. Vegetation should be removed from the dam embankment. Also a program of regular maintenance should be established. Keywords include: Inspection, Dam safety, Connecticut River Basin, Claremont New Hampshire, and Whitewater Brook.
Author: CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV.
Publisher:
ISBN:
Category :
Languages : en
Pages : 93
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Book Description
Whitewater Brook Dam No. 2 is an earth dam with a concrete side-channel spillway, Top of dam elevation is 975.0 and spillway crest elevation is 967.0. The dam has a maximum height of 95 ft. and is approximately 425 ft long. The spillway is located at the east end of the dam. Based on visual inspection and available records, the dam is considered to be in good condition. The rock embankments protection on both slopes has deteriorated. It is intermediate in size with a high hazard potential. Vegetation should be removed from the dam embankment. Also a program of regular maintenance should be established. Keywords include: Inspection, Dam safety, Connecticut River Basin, Claremont New Hampshire, and Whitewater Brook.
Author: CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV.
Publisher:
ISBN:
Category :
Languages : en
Pages : 117
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Book Description
The dam is a concrete buttress structure with extensive earthfill at the downstream face. It is 526 ft. high and 43 ft high. The dam is considered to be in poor condition and the dike is considered to be in fair condition. Major soft, wet area with active seepage discharge at the downstream toe of the dam near the right abutment is among major concerns. It is intermediate in size with a high hazard potential.
Author: CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV.
Publisher:
ISBN:
Category :
Languages : en
Pages : 68
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Book Description
The dam is a 314 ft. long, 44 ft. high concrete gravity dam. The visual inspection did not disclose any findings that indicate an immediate unsafe condition. The general condition of the dam is poor. The stability of the dam should further be evaluated. There are various recommendations which should be implemented by the owner. (Author).
Author: CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV.
Publisher:
ISBN:
Category :
Languages : en
Pages : 88
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Book Description
The dam is a concrete gravity overflow structure constructed between three depressions in a ledge outcropping that forms the bottom of the Ammonoosuc River channel at this location. The dam is considered to be in poor condition. There are various major concerns which should be corrected to assure the continued performance of the dam. It is small in size with a significant hazard potential. (Author).
Author: CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV.
Publisher:
ISBN:
Category :
Languages : en
Pages : 75
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Book Description
Claremont Paper Company has a hydraulic height of 34 ft., is of varied topwidth, and is 145 ft. long. It is a run-of-the-river concrete gravity dam with an ogee-shaped spillway 91 ft. long. It has over-under trash and sluice gates for draining and two head gates to control industrial use. The dam is used for industrial process water as well as for hydroelectric purposes. The dam is in good condition. It is small in size with a high hazard classification, The test flood is 1/2 of the PMF. A major breach at top of the dam would result in the loss of 50 or more lives and extensive property damage. Keywords include: Visual inspection, Dam safety, Connecticut River Basin, Claremont, New Hampshire, and Sugar River.
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 : 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 : 71
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Book Description
The dam is an 80 ft. long, 12 ft. high dam consisting of stone, earth and concrete. The visual 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. The wet area found at the toe downstream should be examined when there is no flow through the spillway to determine if it is resulting from seepage through the dam or from water through the rock slope from the spillway. (Author).
Author: CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV.
Publisher:
ISBN:
Category :
Languages : en
Pages : 96
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Book Description
The dam is constructed of rock and earth filled timber cribbing and is equipped with 6.2 ft. of nonfailing flashboards. It is about 275 ft. long and 15 ft. high. It is small in size with a high hazard potential. One half of the PMF has been adopted as the appropriate test flood. The dam is in fair condition at the present time. There are various remedial measures which require attention.
Author: CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV.
Publisher:
ISBN:
Category :
Languages : en
Pages : 75
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Book Description
Upper Reservoir Dam is a earthen structure with an overall length of 1340 ft. The dam has a height of 30 ft. as measured from the streambed to the crest of the dam. The top width is 9 ft. The upstream face is on a 2.25 horizontal to 1 vertical slope and the downstream slope is 2 horizontal to 1 vertical. The spillway consists of a 25 ft. long crest, concrete weir with training walls, which outlets to a 10 ft. wide stone wall channel. The dam is considered to be in good condition. It is small in size with a significant hazard potential. Keywords include: Visual inspection, Dam safety.
