Download or read book National Program for Inspection of Non Federal Dams Buck Street East Dam NH 00445 NHWRB Number 190 06 Merrimack River Basin Pembroke 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 81 pages. Available in PDF, EPUB and Kindle. Book excerpt: Buck Street East Dam is a composite structure consisting of cut-granite masonry and concrete with an overall length of approximately 53.5 ft. and a maximum structural height of about 11.75 ft. The visual inspection indicated that the dam was in generally good condition. It is small in size with a low hazard potential. It is recommended that provisions be made by the owner to repair the scoured concrete portion of the outlet works sluiceway structure and to remove the debris from the upstream face of the dam. Keywords include: Inspection, and Dam Safety.

Download or read book National Program for Inspection of Non Federal Dams Buck Street West Dam NH 00444 NHWRB 190 05 Merrimack River Basin Pembroke 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 is a composite structure consisting of concrete, stone, and earth, with an overall length of about 143.8 ft. and a maximum height of 12 ft. The dam is generally in fair condition. There are a few concerns which need attention. It is small in size with a low hazard potential. The nonoverflow section would be overtopped by 9.0 ft. under test flood conditions. (Author).

Download or read book National Program for Inspection of Non Federal Dams Pembroke Dam NH 00377 NHWRB 190 02 Merrimack River Basin Allenstown Pembroke 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 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dam is a stone masonry gravity dam constructed on bedrock. The dam is about 108 ft. long and 25.6 ft. high. It is small in size with a low hazard potential. it is unlikely that the downstream flows caused by failure of the dam would result in loss of life or serious economic damage. The dam is in poor condition at the present time and requires extensive maintenance.

Download or read book National Program for Inspection of Non Federal Dams Souhegan River Watershed Dam Number 26 NH 00207 NHWRB 234 08 Merrimack River Basin Temple 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 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Souhegan River Watershed Dam No. 26 is located on Blood Brook, a tributary of the Souhegan River, approximately 2 miles upstream of West Wilton, New Hampshire. The dam is an earth embankment 692 feet long and 79 feet high with a drop inlet service spillway structure and a 30 inch outlet conduit. An emergency spillway 320 feet wide is cut into the left abutment.

Download or read book National Program for Inspection of Non Federal Dams Souhegan River Watershed Dam Number 19 NH 00475 NHWRB 175 19 Merrimack River Basin New Ipswich 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 110 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dam is about 720 ft. long and 35.5 ft. high. It is intermediate in size with a high hazard potential. In the event of failure of the dam, there is the potential of significant property damage and loss of life could result. The dam is in good condition at the present time. No conditions were observed which require additional investigation. There are a few remedial measures which should be implemented by the owner.

Download or read book National Program for Inspection of Non Federal Dams Bowers Dam NH 00330 NHWRB Number 165 04 Merrimack River Basin Nashua 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 99 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dam is an earthen embankment about 420 ft. long with a maximum height of about 25 ft. The dam impounds water from the Brook and the spillway discharges to Harris Pond immediately below the dam. The dam is considered to be in fair condition. It is intermediate in size with a significant hazard potential. (Author).

Download or read book National Program for Inspection of Non Federal Dams Souhegan River Watershed Dam Number 14 NH 00433 NHWRB 175 01 Merrimack River Basin New Ipswich 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 85 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Souhegan River Watershed Dam No. 14 is located on Furnace Brook approximately 1/2 mile upstream of New Ipswich Center, NH. The dam is an earth embankment 1,500 feet long and 35 feet high with a drop inlet service spillway structure and a 30 inch outlet conduit. An earth emergency spillway 120 feet wide is cut into the left abutment. It is small in size with a high hazard potential. The test flood is the PMF. The dam is in good condition at the present time although there were some remedial measure which must be undertaken by the owner. No conditions were observed which require additional investigation. Keywords include: Visual inspection, Dam safety, Merrimack River Basin, New Ipswich, New Hampshire, and Furnace Brook tributary of Souhegan River.

Download or read book National Program for Inspection of Non Federal Dams Mountain Pond Dam NH 00464 NHWRB 211 07 Merrimack River Basin Sanbornton 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 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mountain Pond Dam is located on the north end of Mountain Pond in Sanbornton, N.H., in mountainous terrain two miles south of the village of New Hampton. The dam is an earth embankment, 97 feet long and 14 feet high with a gated 8-inch outlet. The impoundment stores the water supply for the Town of New Hampton and is also the fire protection reserve. It is small in size with a low hazard potential. The test flood is in the range of a 50 to 100 year frequency. The condition of the dam is considered to be fair, requiring that modifications be made by the owner within 1-2 years after receipt of this inspection report. Keywords include: Inspection, Dam safety, Merrimack River Basin, Sanbornton, New Hampshire, and Tributary of Pemigewasset River.

Download or read book National Program for Inspection of Non Federal Dams St Pauls School Dam NH 00361 NHWRB Number 51 25 Merrimack River Basin Concord 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 120 pages. Available in PDF, EPUB and Kindle. Book excerpt: St. Pauls School Dam is a concrete overflow section approximately 15 ft. high from the bottom of the upstream channel to the top of the training walls and approximately 100 ft. long between the training walls. The upstream face of the concrete section is vertical and measures approximately 9 ft. from its crest to a concrete apron on the channel bottom. The dam is in fair condition at the present ime, with a few major concerns which must be corrected. The size is intermediate with a significant hazard potential. The dam could be damaged by the discharge over the abutments. It is not anticipated that lives would be lost. Keywords include: Visual inspection, Dam safety, Merrimack River Basin, Concord New Hampshire, and Turkey River.

Download or read book National Program for Inspection of Non Federal Dams White s Pond Dam NH 00106 NHWRB 195 07 Merrimack River Basin Pittsfield 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 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dam consists of a 260 ft. long granite-faced earth dam with spillway, flume, and outlet culvert consisting of granite masonry and concrete. It is small in size with a significant hazard potential classification. It is in fair condition. Although there is no immediate concern, features revealed by this inspection do require attention. A formal sequenced operation plan for emergencies involving upstream and downstream dam operations should be developed and submitted to the NHWRB for review and comment.

Download or read book National Program for Inspection of Non Federal Dams Baker Floodwater Reservoir Site 5 and Dike NH 00245 00246 NHWRB Number 249 11 Merrimack River Basin Wentworth 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 103 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dam is a 807 ft. long 48 ft. high earthen structure. The dike is an earthen structure about 600 ft. long and 11.5 ft. high. The inspection revealed both the dam and dike to be in good condition. There were no recommendations for the dam after this inspection. The dam is intermediate in size with a significant hazard potential. (Author).

Download or read book National Program for Inspection of Non Federal Dams Souhegan River Watershed Dam Number 10A NH 00264 NHWRB 254 33 Merrimack River Basin Wilton 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 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Souhegan River Watershed Dam No. 10A is located on Mill Brook approximately one mile upstream of Davisville, N.H. The dam is an earth embankment 951 feet long and 59 feet high with a drop inlet service spillway structure and a 30 inch outlet conduit. An earth emergency spillway 220 feet wide is cut into the left abutment. An earth emergency spillway 110 feet wide is cut into the right abutment. The dam is intermediate in size with a high hazard potential. The dam is in good condition at the present time. It is recommended that the owner retain the services of a registered professional engineer to investigate the cracking and erosion of the outlet conduit. Keywords include: Visual inspection, Dam safety, Merrimack River Basin, Wilton, New Hampshire, and Mill Brook, a Tributary of the Souhegan River.

Download or read book National Programs for Inspection of Non Federal Dams Baker Floodwater Reservoir Site 2 NH 00231 NHWRB Number 244 10 Merrimack River Basin Warren 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 98 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dam is a 805 ft. long, 68 ft. high earthen embankment structure with three different fill zones. The visual inspection indicated that the dam is in good condition. The inspection revealed minor deterioration of concrete on the riser structure and at the end of the 4 ft. diameter outlet pipe. It is intermediate in size with a high hazard potential. There are no recommendations for the dam based on the inspection report. (Author).

Download or read book National Program for Inspection of Non Federal Dams Crystal Lake Dam NH 00018 NHWRB Number 91 11 Merrimack River Basin Gilmanton 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 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dam is a 188 ft. long, 16 ft. high earth embankment dam. The condition is fair. The visual inspection did not disclose any immediate safety problems. The dam's spillway will not pass the test flood, therefore it is recommended that the owner engage a qualified engineer to evaluate further the potential for overtopping the inadequacy of the spillway. (Author).

Download or read book National Program for Inspection of Non Federal Dams Highland Lake North Outlet NH 00238 NHWRB 245 07 Merrimack 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 1978 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dam is intermediate in size with a low hazard potential. The hydraulic analyses indicated that the spillway test flood in Highland Lake is 11800 cfs, of which the North Outlet would experience 3950 cfs. It is recommended that the refined hydrological analyses elsewhere recommended for Highland Lake's South Outlet be undertaken. (Author).

Download or read book National Program for Inspection of Non Federal Dams China Dam NH 00023 NHWRB 190 01 Merrimack River Basin Allenstown Pembroke 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 86 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dam is a concrete gravity dam with a total length of about 275 ft. and a height of 29 ft. It is small in size with a low hazard potential classification. The spillway is a run of the river structure having a total length of 147 ft. and a height of about 22 ft. The drainage area of the dam is 259 square miles moderately to steeply sloping forsted terrain. (Author).

Download or read book National Program for Inspection of Non Federal Dams Chase Pond Dam NH 00255 NHWRB Number 253 02 Merrimack River Basin Wilmot 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: Chase Pond Dam is a rock filled log crib with timber planking overflow structure between stone and concrete embankments. The overall length of the dam is 103 ft. The timber overflow section is approximately 12 ft. high by 50.5 ft. long and 10 ft. wide at the crest. The embankments, which are approximately 5.4 feet higher than the crest of the timber overflow section, are composed of masonry and concrete on the upstream and training wall faces. As a result of the visual inspection of this facility, the dam is considered to be in poor condition. The dam is small in size with a significant hazard classification. The dam at the outlet from Tannery Pond could be overtopped or breached. Keywords include: Inspection, Dam safety, Merrimack River Basin, Wilmot, New Hampshire, and Chase Pond.