National Program for Inspection of Non-Federal Dams. Babbidge Reservoir Dam (NH 00398), NHWRB 206.03, Connecticut River Basin, Roxbury, 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 : 102
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Book Description
The Babbidge Reservoir Dam is a 38-foot-high earth embankment with a reinforced concrete corewall. There is a 36-foot-long concrete overflow spillway at the left abutment and a gatehouse at the crest which controls flow from the reservoir and from the Quarry Dam upstream. It is small in size with a high hazard potential. Significant economic loss and possible loss of more than a few lives could result from the event of a dam failure. With stoplogs, the spillway is capable of passing 9% of the test flood. The dam is in fair condition. Remedial measures should be undertaken by the owner. Keywords include: Inspection, Dam safety, Connecticut River Basin, Roxbury, New Hampshire, and Roaring Brook.
Author: CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV.
Publisher:
ISBN:
Category :
Languages : en
Pages : 102
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Book Description
The Babbidge Reservoir Dam is a 38-foot-high earth embankment with a reinforced concrete corewall. There is a 36-foot-long concrete overflow spillway at the left abutment and a gatehouse at the crest which controls flow from the reservoir and from the Quarry Dam upstream. It is small in size with a high hazard potential. Significant economic loss and possible loss of more than a few lives could result from the event of a dam failure. With stoplogs, the spillway is capable of passing 9% of the test flood. The dam is in fair condition. Remedial measures should be undertaken by the owner. Keywords include: Inspection, Dam safety, Connecticut River Basin, Roxbury, New Hampshire, and Roaring 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 : 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.
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 : 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 : 82
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Book Description
The dam is an earthen structure with an overall length of 1023 ft. and a maximum height of 33 ft. The dam is considered to be in poor condition. Seepage was noted both under the stone arch bridge and at the joint of the spillway weir and spillway apron slab. It is small in size with a hazard potential of significant.
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).
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 : 147
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Book Description
The dam is a 1240 ft. long earthfill dam. The maximum height of the dam is 31 ft. The dam is judged to be in fair condition. It is intermediate in size with a high hazard potential classification. The slope on the upstream slope east of the spillway should be re-established. The exposed concrete surface of the core wall should be repaired. (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.
