Download or read book National Program for Inspection of Non Federal Dams Tilton Town Dam NH 00151 Merrimack River Basin Tilton 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 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dam is 192 ft. long with a hydraulic height of 13 ft. The dam is in poor condition. Major concern is the poor condition of the timber frame spillway and wooden decking. It is small in size with a significant hazard potential. (Author).

Download or read book Government Reports Announcements Index written by and published by . This book was released on 1985-10 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Government Reports Annual Index written by and published by . This book was released on 1985 with total page 1016 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sections 1-2. Keyword Index.--Section 3. Personal author index.--Section 4. Corporate author index.-- Section 5. Contract/grant number index, NTIS order/report number index 1-E.--Section 6. NTIS order/report number index F-Z.

Download or read book National Program for Inspection of Non Federal Dams Merrimack Village Dam NH 00115 Merrimack River Basin Merrimack 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 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: The concrete dam is about 180 ft. long and is constructed on a circular arc. It is small in size with a low hazard potential classification. The dam is in fair condition. At the present time, there is no way to draw down the level of the reservoir. A program of annual technical inspections of the dam should be undertaken.

Download or read book National Program for Inspection of Non Federal Dams Alton Power Dam NH 00011 Merrimack River Basin Alton 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 89 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dam consists of a concrete gravity spillway and outlet works with an earth embankment at the left end. The dam is about 190 ft. long and its height is 16 ft. The dam is in fair condition. It is intermediate in size with a high hazard potential. (Author).

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 Lake Wampanoag Dam MA 00010 Merrimack River Basin Ashburnham Massachusetts 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 122 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lake Wampanoag Dam is approximately 660 feet long including the spillway and has a maximum height of approximately 22 feet. It consists of an earth embankment with riprap at the upstream face and a loamed and seeded crest and downstream face. Based on the size classification (intermediate) and hazard potential classification (high), the spillway test flood is the PMF.

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 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 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 Government Reports Annual Index Keyword A L written by and published by . This book was released on 1985 with total page 976 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book National Program for Inspection of Non Federal Dams Kelleys Falls Dam NH 00299 NHWRB No 150 02 Merrimack River Basin Manchester 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 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: Kelleys Falls Dam is a run of the river type dam, with an overall length of 503 feet. Visual inspection of the dam indicated that the dam is in poor condition. The inspection revealed a number of leaks through the mass concrete spillway section, considerable loss of concrete from the spillway section, seepage around the concrete wall on the right side of the dam, and general deterioration of concrete on the abutments and hydro-building. Based on the intermediate size of the dam and the significant hazard classification and in accordance with Corps of Engineers guidelines, the test flood is one half the Probable Maximum Flood (PMF) or 55,900 cfs. The one half PMF outflow overtops the dam by 6.8 feet. With the water level at the top of the dam, the spillway will pass 38 percent of the test flood outflow. It is recommended that the owner engage a qualified engineer to make thorough investigation of the condition of the foundation of the spillway section of the dam, investigate the structural stability of the spillway section and ways to increase the spillway capacity. Also, the owner should remove the flashboards on the dam immediately. Additional keywords: Merrimack River Basin, Manchester, and New Hampshire.

Download or read book National Program for Inspection of Non Federal Dams Campton Pond Dam N H 00130 Merrimack River Basin Campton New Hampshire Phase I Inspetion Report written by CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV. and published by . This book was released on 1979 with total page 91 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dam is composed of three main sections including an earth dike with stone masonry retaining wall, a concrete dike section and a solid concrete spillway section. It is small in size with a significant hazard classification. The dam was found to be in fair condition based on a limited spillway capacity of only 52 percent of the test flood. (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.

Download or read book National Program for Inspection of Non Federal Dams Sanborn Pond Outlet Dam NH 00182 NHWRB Number 143 10 Merrimack River Basin Loudon 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 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sanborn Pond Outlet dam is an earthen embankment structure about 265 feet in overall length and a maximum height of 16.5 feet from crest of dam to downstream toe. The upstream and downstream faces consists of a 2 feet thick vertical dry stone masonry wall which extends the full height of the dam. Located about 105 feet from the left abutment is the principal spillway which consists of a 19 feet long spillway structure with vertical dry masonry training walls and flashboards. The dam in considered to be in poor condition with some major concern which must be corrected. It is intermediate in size with a significant hazard potential. Keywords include: Visual inspection, Dam safety, Merrimack River Basin, Louden, New Hampshire, and Sanborn Brook.

Download or read book National Program for Inspection of Non Federal Dams Paper Mill Dam NH 00251 State Number 22 06 Merrimack River Basin Bennington 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 71 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dam has a hydraulic height of 13 ft. and is 280 ft. long. It is a run of the river concrete gravity dam with a spillway length of 142 ft. The dam is in fair condition with a few major concerns. It is small in size with a significant hazard classification. A major breach at top of dam would result in the loss of few, if any lives and appreciable property damage. (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.