Download or read book National Program for Inspection of Non Federal Dams Black Brook Dam MA 01057 Connecticut River Basin Blandford 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 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Black Brook Dam is an earthfill embankment about 1168 feet in length, and 60 feet in height and has a reinforced concrete principal spillway which maintains the water supply pool level and controls the release of stored floodwater, and a 50 foot wide earth and ledge excavated emergency spillway channel in the right abutment. The dam and appurtenances were found to be in fair condition. The visual inspection indicated that silt from under the upstream riprap is being washed out by runoff and wave action to form small deltas in the pond, the trash rack on the riser has been damaged, the toe of the dam is wet along the abutments and the floor of the discharge channel of the emergency spillway is wet. Some maintenance and minor remedial work is required. The combined spillways have a capacity of about 5000 CFS with the water level at the top of the dam. This capacity is about 185% of the routed test flood outflow from the reservoir.

Download or read book Government Reports Announcements Index written by and published by . This book was released on 1985 with total page 1224 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book National Program for Inspection of Non Federal Dams Palmer Brook Dam MA 00205 Connecticut River Basin Becket Massachusetts 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 62 pages. Available in PDF, EPUB and Kindle. Book excerpt: Palmer Brook Dam is an earthen embankment structure 33.5 feet high and 290 feet long. Based on visual inspection the dam is judged to be in good condition. It is classified as 'intermediate' in size with a 'high' hazard potential.

Download or read book Government Reports Annual Index written by and published by . This book was released on 1985 with total page 1022 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book National Program for Inspection of Non Federal Dams Perley Brook Reservoir Dam MA 00119 Connecticut River Basin Gardner 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 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: Perley Brook Reservoir Dam is a 1000 foot long earthfill dam. The dam has a maximum height of 50 feet with the top at Elevation 1032.0. The dam is in fair condition. The dam has been classified in the 'intermediate' size and 'high' hazard categories. A test flood equal to the full PMF was used to evaluate the capacity of the spillway. (Author).

Download or read book National Program for Inspection of Non Federal Dams Diamond International Corporation Upper Dam MA 00562 Connecticut River Basin Palmer 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 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dam is a run-of-the-river type structure consisting of a 17 ft. high concrete overflow spillway and a 13 ft. high rockfill dike. The total height of the structure is 23 ft. from the top of the dike to the streambed at the toe of the spillway. There are deficiencies which must be corrected to assure the continual performance of this dam. The dam has been classified as intermediate in size with a hazard potential of high.

Download or read book National Program for Inspection of Non Federal Dams Country Club MA 00756 Connecticut River Basin Northampton Massachusetts 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 basically comprised of 2 stone masonry vertical faced spillways. The main spillway has a length of 69 ft. and a structural height of 32 ft. The secondary spillway has a length of 30 ft. and a height of about 9 ft. The visual inspection did not disclose any findings that indicate an immediate unsafe condition. The size classification is small with a hazard potential of significant. Due to the lack of drawdown capabilities, the dam is considered in fair condition. (Author).

Download or read book National Program for Inspection of Non Federal Dams Kendall Company Number 1 Dam MA 00047 Connecticut River Basin Colrain Massachusetts 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 65 pages. Available in PDF, EPUB and Kindle. Book excerpt: Kendall Company No. 1 Dam is a run of river facility that diverts water into a flume leading to the company's plant. Within the river channel there is a rock-filled, timber crib spillway structure 238 feet long. This overflow structure has a topwidth of 5 feet, and it has 2.9-foot high flashboards on its crest. The height of the dam, measured at the abutments of the spillway overflow section, is 24 feet. Based on visual inspection, the dam is judged to be in poor condition. The major concerns with respect to the integrity of the dam are deterioration of the wood crib abutment structure at the right end of the overflow section; trees growing in the wood crib abutment structure, on the upstream and downstream sides of the right abutment and on the dike; hazards resulting from the existing breach in the dike; lack of adequate erosion protection on the bank of the downstream channel near the left abutment; trees growing on the strip of ground between the dry stone masonry wall, on the left side of the downstream channel, and the right side of the concrete-lined flume on the left side of the valley; and lack of a low-level outlet for the dam. The spillway capacities are, respectively, about 22 percent and 38 percent of the routed test flood outflows. The depths of overtopping of the dam and dike that would occur during the test flood are 4.2 feet with the flashboards in place, and 3.5 feet with the flashboards removed.

Download or read book National Program for Inspection of Non Federal Dams Ware Industries Main Upper Dam MA 00594 Connecticut River Basin Ware Massachusetts 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 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Ware Industries Man (Upper) Dam consists of a main spillway 115 ft. long and approximately 34 ft. high, a spillway extension 50 ft. long and 4 ft. high, a concrete emergency spillway, a gate house with control works to a canal, and a 115 ft. long overflow weir from the canal. Based on a visual examination of the structure, the project is in good to fair condition. There was no evidence of structural failure or other conditions which would warrant urgent remedial action. The PMF outflow of 109,200 cfs would overtop the dam by 11.25 ft. With the water level at the top of dam, the spillway system can pass 7980 cfs which is 7.3 percent of the test flood.

Download or read book National Program for Inspection of Non Federal Dams Chicopee Reservoir MA 00720 Connecticut River Basin Chicopee Massachusetts 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 103 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chicopee Reservoir Dam is a 545-foot long, 47-foot high earth embankment dam constructed circa 1926. The spillway is a 44-foot long ogee crest which si located at the right abutment of the dam and has a crest elevation (El) 168.0. The outlet conduits are a 24-inch cast-iron former water supply line and a 30-inch cast-iron blowoff. The following deficiencies were observed at the site: high degree of erosion of the principal spillway chute structure and outlet training walls; erosion gullies on the right abutment above the dam crest; brush growth on the downstream slope of the embankment; and seepage from the left abutment downstream of the dam. Generally, the dam is in fiar condition. The adopted spillway Test Flood is equal to the Probable Maximum Flood which yields a peak test flood inflow of 7565 cfs. Hydraulic analyses indicate that the spillway, without flashboards, with the water surface at the top of the dam can discharge 3,950 cfs which is less than the total routed test flood outflow of 6,450 cfs. Thus, the spillway can discharge 60% of the routed test flood outflow.

Download or read book National Program for Inspection of Non Federal Dams Roaring Brook Dam MA 01056 Connecticut River Basin Conway Massachusetts 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 89 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dam is a 65 ft. high, 435 ft. long earth embankment dam with an ungated spillway containing provisions for 24 inch flashboards and a manually operated 18 inch main drain. Based on the visual inspection, the dam seems to be in good condition. However, due to the lack of an accessible upstream control for the drain, the dam is considered in fair condition. It is intermediate in size with a hazard classification of high. (Author).

Download or read book National Program for Inspection of Non Federal Dams Northampton Reservoir Upper Dam MA 00521 Connecticut River Basin Whately Massachusetts 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 94 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dam is a 940 foot long earth embankment dam with a concrete spillway. It is recommended that the areas of erosion both on the upstream and downstream faces where the abutments and embankment interface be repaired. Surface water in these areas should be redirected to prevent future erosion. The riprap on the upstream face should be extended to the dam's crest. The water exiting from the toe and core wall drains should be directed to a control channel and weir where the flow can be periodically measured. The 20-in capped pipe running beneath the dam to the downstream toe should be uncapped and extended to the lower reservoir. This will prevent the potential of a pressurized pipe (should the outlet gate be left open) from bursting and undermining the dam. Although the spillway can not discharge the test flood without overtopping the dam, the spillway capacity is comparatively large. Because of the hydrologic and safety relationships between this dam and the lower reservoir, it is necessary that future hydrologic studies concerning spillway capacities at either project should simultaneously encompass studies for both projects.

Download or read book National Program for Inspection of Non Federal Dams Van Horn Park Upper Dam MA 00574 Connecticut River Basin Springfield Massachusetts 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 103 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Van Horn Park Upper Dam is an earth dam about 550 feet long with a maximum height of 32 feet and crest width of 50 feet. The upstream and downstream slopes of the embankment as observed are approximately 1(V): 1.5(H) and 1(V): 2(H), respectively. Both slopes are covered with a heavy growth of trees, bushes, shrubs and ground cover. Located approximately at the center of the dam is an uncontrolled outlet for the pond consisting of a reinforced concrete double box culvert and spillway chute. There is also an uncontrolled low level outlet located at the north abutment. (Author).

Download or read book National Program for Inspection of Non Federal Dams J A Wells Upper Dam MA 01268 Connecticut River Basin Charlemont 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 103 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dam is a stone masonry gravity dam having a hydraulic height of 26 ft., 100 ft. long, 9 ft. wide at the crest, and a vertical downstream face. The dam is in poor condition and it appears that maintenance of the structure has been neglected. It is small in size with a hazard potential of high. Assuming that the flood plain of the Deerfield River is not already inundated, a major breach of the dam would cause flooding of 2 to 3 feet in the area near the downstream elementary school.

Download or read book National Program for Inspection of Non Federal Dams Arm Brook Multiple Purpose Dam MA 00604 Connecticut River Basin Westfield Massachusetts 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 115 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dam is a 760 ft. long, 59 ft. high earth embankment dam. The visual inspection did not disclose any findings that indicate immediate unsafe condition. Although the dam is in generally good condition, it is recommended that certain measures be taken. (Author).

Download or read book National Program for Inspection of Non Federal Dams Stony Brook Dam MA 00132 Merrimack River Basin Westford Massachusetts Phase I Inspection Report written by CORPS OF ENGINEERS WALTHAM MA NEW ENGLAND DIV. and published by . This book was released on 1984 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dam is a 350 foot long, 24 foot high, gravity, earth embankment structure with a 20 foot long masonry spillway and two sealed outlets. The visual inspection indicated the dam to be in generally fair condition. The deficiencies noted during the inspection include the presence of roots of trees growing on the upstream and downstream faces which could cause internal erosion of the dam; the spillway gates have not been operated in several years; and there is no drawdown facility. Considering the reservoir to be at its normal elevation of 183.5, the spillway can pass 485 cfs or 10 percent of the outflow, resulting in the dam being overtrapped by about 3.3 feet. Raising and or removal of gates will increase discharge capacity to 25 percent.

Download or read book National Program for Inspection of Non Federal Dams Knapp Brook Site Number 1 VT 00076 Connecticut River Basin Cavendish Vermont 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 earth embankment dam with a clay core. It is about 400 ft. long and 21 ft. high. The dam is small in size with a significant hazard potential. The dam is judged to be in good condition. There were a few significant findings which should be corrected. Among remedial measures are: Remove brush and beaver dams from the emergency spillway: Round the clock monitoring should be provided during periods of unusually heavy rain. (Author).