Download or read book National Program for Inspection of Non Federal Dams Minnewawa Dam NH 00104 NHWRB 151 06 Connecticut River Basin Marlborough New Hampshire Phase I Inspection Report written by CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV. and published by . This book was released on 1978 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Download or read book National Program for Inspection of Non Federal Dams Upper Ammonoosuc Dam NH 00370 NHWRB 182 04 Connecticut River Basin Northumberland New Hampshire Phase I Inspection Report written by CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV. and published by . This book was released on 1981 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Download or read book National Program for Inspection of Non Federal Dams Upper Reservoir Dam NH 00049 NHWRB Number 108 06 Connecticut River Basin Hanover New Hampshire Phase I Inspection Report written by CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV. and published by . This book was released on 1979 with total page 75 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Download or read book National Program for Inspection of Non Federal Dams Ammonoosuc River Dam NH 00061 NHWRB Number 17 02 Connecticut River Basin Bath New Hampshire Phase I Inspection Report written by CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV. and published by . This book was released on 1980 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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).

Download or read book National Program for Inspection of Non Federal Dams Millen Lake Dam NH 00236 NHWRB Number 245 04 Connecticut River Basin Washington New Hampshire Phase I Inspection Report written by CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV. and published by . This book was released on 1980 with total page 103 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dam is an earthfill gravity structure about 23 ft. high and 115 ft. long. The dam is considered to be in fair condition. It is intermediate in size with a significant hazard potential. There are various recommendations that should be implemented by the owner. (Author).

Download or read book National Program for Inspection of Non Federal Dams Robertson Dam NH 00276 NHWRB Number 255 02 Connecticut River Basin Winchester New Hampshire Phase I Inspection Report written by CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV. and published by . This book was released on 1980 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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).

Download or read book National Program for Inspection of Non Federal Dams Dole Reservoir Dam Dike NH 00143 NH 00483 NHWRB Number 47 17 Connecticut River Basin Claremont New Hampshire Phase I Inspection Report written by CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV. and published by . This book was released on 1980 with total page 117 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Download or read book National Program for Inspection of Non Federal Dams Lower Dam NH 00129 NHWRB 222 01 Connecticut River Basin Stewartstown New Hampshire Phase I Inspection Report written by CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV. and published by . This book was released on 1980 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dam is a concrete gravity structure which extends across the entire width of the river and is founded on bedrock. It is 345 ft. long and 27 ft. high. It is small in size with a high hazard classification. The dam is in fair condition. Further investigations are recommended to evaluate the hydraulic and hydrological conditions effecting the dam. (Author).

Download or read book National Program for Inspection of Non Federal Dams Silver Lake Dam NH 00062 NHWRB Number 109 01 Connecticut River Basin Harrisville New Hampshire Phase I Inspection Report written by CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV. and published by . This book was released on 1978 with total page 71 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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).

Download or read book 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 written by CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV. and published by . This book was released on 1981 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Download or read book National Program for Inspection of Non Federal Dams Lower Reservoir Dam NH 00048 NHWRB Number 108 05 Connecticut River Basin Hanover New Hampshire Phase I Inspection Report written by CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV. and published by . This book was released on 1979 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Download or read book National Program for Inspection of Non Federal Dams Granite Lake Dam NH 00336 NHWRB 166 02 Connecticut River Basin Nelson New Hampshire Phase I Inspection Report written by CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV. and published by . This book was released on 1979 with total page 89 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dam is a dry rubble masonry dam with a concrete facing. It is about 78 ft. long with a maximum height to 34 ft. The overall condition of the dam is considered to be fair. At the time of the inspection the penstock opening has been sealed and the intake gate removed. It is intermediate in size with a significant hazard potential. The test flood would overtop the dam by 2.8 ft. There are various maintenance and operating measures which should be implemented.

Download or read book National Program for Inspection of Non Federal Dams Howe Reservoir Dam NH 00095 NHWRB 109 12 Connecticut River Basin Harrisville New Hampshire Phase I Inspection Report written by CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV. and published by . This book was released on 1979 with total page 83 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dam consists of dry rubble masonry capped with concrete and an earthfill embankment with a total length of about 157 ft. and 28 ft. above the stream bed. The dam is judged to be in good condition. The protective covering of the stone placed on the outlet channel has been washed away. It is intermediate in size with a high hazard potential. There are various remedial measures which must be corrected to assure the continued performance of the dam. (Author).

Download or read book National Program for Inspection of Non Federal Dams Sunapee Lake Town Dam NH 00108 NHWRB 229 05 Connecticut River Basin Sunapee New Hampshire Phase I Inspection Report written by CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV. and published by . This book was released on 1979 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dam is a stone masonry dam capped with a concrete slab over the upstream face. The dam is considered to be in good condition. It is intermediate in size with a high hazard potential classification. The extent of damage that might occur at the dam and in downstream areas in the event of overtopping should be assessed. There are various operating and maintenance measures which should be implemented by the owner. (Author).

Download or read book National Program for Inspection of Non Federal Dams Mascoma Dam NH 00155 NHWRB 134 09 Connecticut River Basin Lebanon New Hampshire Phase I Inspection Report written by CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV. and published by . This book was released on 1980 with total page 91 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dam consists of two overflow type spillway sections separated by a waste gate structure. It is small in size with a high hazard potential. It is in poor condition at the present time. Further investigations are recommended to evaluate the condition of the timber crib spillway section and the waste gate structure. There are various remedial measures which should be undertaken by the owner. (Author).

Download or read book 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 written by CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV. and published by . This book was released on 1979 with total page 93 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Download or read book National Program for Inspection of Non Federal Dams Mascoma Dam Number 2 NH 00156 NHWRB 134 11 Connecticut River Basin Lebanon New Hampshire Phase I Inspection Report written by CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV. and published by . This book was released on 1980 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: The timber crib dam is 120 ft. long with a height of about 21 ft. The dam is small in size with a significant hazard potential. The dam is in poor condition. Further investigations are recommended to evaluate rehabilitation of the spillway and the right end wall. (Author).