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 Souhegan River Watershed Dam Number 13 NH 00432 00481 NHWRB175 20 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 102 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Souhegan River Watershed Dam No. 13 consists of two earth embankment sections known as the main dam and the east dike. The main dam is 500 ft. long and 13.5 ft. high with a drop inlet service spillway structure and a 30 inch outlet conduit. The east dike is 620 ft. long and 9.5 ft. high with no outlet facilities. An earth emergency spillway 112 ft. wide is cut into the right abutment. It is small in size with a significant hazard potential. The dam is in good condition at the present time. No conditions were observed which require further investigation. There are various remedial measures which must be implemented by the owner. Keywords include: Visual inspection; Dam safety; Merrimack River Basin; New Ipswich, New Hampshire; and Unnamed tributary of the Souhegan River.

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 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 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 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 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 Souhegan River Watershed Dam Number 25B NH 00476 NHWRB 234 12 Merrimack River Basin Temple 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 115 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dam is an earth embankment dam 695 ft. long and 69 ft. high. It is intermediate in size with a high hazard potential. The test flood for the dam is the PMF. The dam is in good condition at the present time. There are various remedial measures which should be implemented by the owner. The program of annual technical inspections should be continued. No conditions were observed which require further investigations.

Download or read book National Program for Inspection of Non Federal Dams Ward Dam NH 00262 NHWRB 254 18 Merrimack River Basin West 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 1980 with total page 93 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ward Dam is a gravity arch structure constructed of rubble stone and split stone masonry, founded on bedrock. It is approximately 260 ft. long and 18 ft. high, For the purposes of this report, the top of the dam has been taken to be the top of the training wall at the right abutment. The overflow type spillway has a crest length of 29 ft. and is 14.5 ft. above the streambed. The dam is in poor condition at the present time. It is recommended that the owner undertake remedial measures within one year of receipts of the Phase I report. Keywords include: Visual inspection, Dam safety, Merrimack River Basin, West Wilton, New Hampshire, and Blood Brook, a tributary of the Souhegan River.

Download or read book National Program for Inspection of Non Federal Dams Webster Dam NH 00378 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 101 pages. Available in PDF, EPUB and Kindle. Book excerpt: Webster Dam is a concrete gravity structure with natural ground separating a concrete ogee spillway from a diversion canal near the right end of the dam. The total length of the dam is approximately 250 ft. with the spillway accounting for 154 ft. of the total length. The dam is small in size with a significant hazard potential. The test flood is between the 100 yr. and 1/2 the PMF. The dam is considered to be in fair condition at the present time. The wastegate and canal headwork structure are in very poor condition. Technical inspections should be scheduled every year. Keywords include: Visual inspection; Dam safety; Merrimack River Basin; Allenstown-Pembroke, New Hampshire; and Suncook River.

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 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 Berry Pond Dam NH 00105 NHWRB 195 01 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 71 pages. Available in PDF, EPUB and Kindle. Book excerpt: Berry Pond Dam is an earth embankment 185 feet long and 12 feet high, with a stop-logged spillway, 11 feet wide and 7 feet high. The dam was superimposed in 1967 upon an earlier rock crib dam built in 1884. Three pipes penetrate the dam, two of which are abandoned. The operative pipe, a gated 8 in. line, regulates flow through a man-made channel to a downstream water supply reservoir for the Town of Pittsfield. It is small in size with a low hazard classification. The dam's condition is rated as fair but deficiencies were found in freeboard, in emergency discharge provisions, and in draw-down capability. Keywords include: Inspection, Dam safety, Merrimack River Basin, Pittsfield, New Hampshire, and Tributary to Suncook River.

Download or read book National Program for Inspection of Non Federal Dams Meredith Reservoir Dam NH 00308 Merrimack River Basin Meredith 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 78 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dam is an earthfill dam about 400 ft. long with a maximum height of 25 ft. dam is small in size wiht a significant hazard potential. The dam is judged to be in fair overall condition. Trees and brush are growing on the dam embankment and the spillway is showing signs of deterioration. It is recommended that a periodic annual technical inspection be implemented.

Download or read book National Program for Inspection of Non Federal Dams Harris Pond Dam NH 00122 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 1979 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dam is a 450 ft. long, 35 ft. high earthfill dam with cemented rubble stone masonry core walls. The dam is intermediate in size with a significant hazard potential. The test flood is taken as 1/2 of the PMF. Generally the dam is in fair condition. (Author).

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 Harrisville Pond Dam NH 00065 Merrimack 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 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dam is a dry rubble masonry and earth dam. The dam has a maximum height of 21 ft. and is about 75 ft. long. The dam is judged to be in fair condition. It is intermediate in size with a high hazard potential. Modification is necessary to improve the hydraulic and hydrological condition of the dam. (Author).