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 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 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 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 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 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 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 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 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 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 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 Uncanoonuc Lake Dam Number 2 NH 00021 NHWRB No 93 04 Merrimack River Basin Goffstown 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 is an earthen embankment structure with a central concrete core wall about 147 ft. in overall length and 9 ft. high from the crest of the dam to downstream toe. The dam is considered to be in fair condition. It is classified as small in size and significant in its hazard classification. (Author).

Download or read book National Program for Inspection of Non Federal Dams Water Loom Pond Dam NH 00355 NHWRB 175 09 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 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dam is a 204 ft. long earth fill, concrete gravity and stone masonry structure on the Souhegan River. It is about 22.5 ft. high with its 75 ft. long spillway having a height of about 19 ft. It is small in size with a significant hazard potential. The dam is in poor condition and requires considerable routine maintenance. There are various remedial measures which must be implemented by the owner.

Download or read book National Program for Inspection of Non Federal Dams Souhegan River Watershed Dam Number 28 NH 00429 NHWRB 147 26 Merrimack River Basin Lyndeborough 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 dam is an earth embankment 340 ft. long and 29 ft. high with a drop inlet service spillway structure and a 30 inch outlet conduit. The dam is small in size with a significant hazard potential. In the event of a failure, the possibility for appreciable property damage and loss of life could result. The dam is in good condition at the present time. No conditions were observed which warrant further investigation. (Author).

Download or read book National Program for Inspection of Non Federal Dams Souhegan River Watershed Dam Number 33 NH 00265 NHWRB 254 34 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 102 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dam is an earth embankment dam 510 ft. long and 21 ft. high. It is small in size with a high hazard potential. The dam is in good condition at the present time. There are remedial measures to be undertaken by the owner. A program of annual technical inspections should be continued. No conditions were observed which require further investigation. (Author).

Download or read book National Program for Inspection of Non Federal Dams Souhegan River Watershed Dam Number 35 NH 00435 NHWRB 175 21 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 103 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Souhegan River Watershed Dam No. 35 is an earth embankment 1209 ft. long and 30 ft. high with a drop inlet service spillway structure and a 36 inch outlet conduit. An emergency spillway 255 ft. wide is cut into the left abutment. The dam is intermediate in size with a high hazard potential. The test flood is the PMF. The dam is in good condition at the present time. There are various remedial measures which must be undertaken by the owner. Keywords include: Visual inspection, Dam safety.

Download or read book National Program for Inspection of Non Federal Dams Pleasant Lake Dam NH 00362 NHWRB 176 02 Merrimack River Basin New London 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 83 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dam is a 404 ft. long, earth-filled rock crib which incorporates a 58 ft. long spillway and a 42 inch diameter steel pipe outlet controlled by a stoplog weir. It is intermediate in size with a significant hazard potential. The dam is in poor condition at the present time. The dam requires considerable maintenance. (Author).