All public logs

Combined display of all available logs of ASDSO Dam Safety Toolbox. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).

20:57, 22 June 2022 Camrenbt talk contribs created page File:DCC2.jpg
20:57, 22 June 2022 Camrenbt talk contribs created page File:DCC1.jpg
20:57, 22 June 2022 Camrenbt talk contribs created page Deteriorated conduits with holes can cause seepage (Created page with "<div style= "text-align:center;">''Message: Deteriorated conduits must be taken seriously.''</div> ----</br> In 2018, a large sinkhole was discovered in the back slope of Reser Dam. The outlet pipe is a deteriorated, corrugated metal pipe with holes. It is likely the holes in the outlet pipe are the source of the seepage that caused the sinkhole. <gallery mode="slideshow"> File:DCC1.jpg|Powell County, MT dam CMP in 1999, no holes, pipe in relatively good shape File:DCC...")
20:57, 22 June 2022 Camrenbt talk contribs uploaded File:DCC7.jpg
20:57, 22 June 2022 Camrenbt talk contribs uploaded File:DCC6.jpg
20:57, 22 June 2022 Camrenbt talk contribs uploaded File:DCC5.jpg
20:57, 22 June 2022 Camrenbt talk contribs uploaded File:DCC4.jpg
20:57, 22 June 2022 Camrenbt talk contribs uploaded File:DCC3.jpg
20:57, 22 June 2022 Camrenbt talk contribs uploaded File:DCC2.jpg
20:57, 22 June 2022 Camrenbt talk contribs uploaded File:DCC1.jpg
20:50, 22 June 2022 Camrenbt talk contribs created page File:SIP5.jpg
20:50, 22 June 2022 Camrenbt talk contribs created page File:SIP4.jpg
20:50, 22 June 2022 Camrenbt talk contribs created page File:SIP3.jpg
20:50, 22 June 2022 Camrenbt talk contribs created page File:SIP2.jpg
20:50, 22 June 2022 Camrenbt talk contribs created page File:SIP1.jpg
20:50, 22 June 2022 Camrenbt talk contribs created page Seepage into pipe can go unnoticed for years until sinkhole develops (Created page with "<div style= "text-align:center;">''Message: Take seriously any leaks into conduit.''</div> ----</br> On June 28, 1996, a large sinkhole, measuring twenty feet in depth, three to six feet in diameter at the surface, and about 18 feet in diameter at the bottom, was discovered in the crest of Willow Creek Dam. The sinkhole was located directly above the outlet works tunnel and about fifty feet downstream of the regulating gate. The sinkhole may have developed gradually by...")
20:50, 22 June 2022 Camrenbt talk contribs uploaded File:SIP5.jpg
20:50, 22 June 2022 Camrenbt talk contribs uploaded File:SIP4.jpg
20:50, 22 June 2022 Camrenbt talk contribs uploaded File:SIP3.jpg
20:50, 22 June 2022 Camrenbt talk contribs uploaded File:SIP2.jpg
20:50, 22 June 2022 Camrenbt talk contribs uploaded File:SIP1.jpg
23:09, 21 June 2022 Camrenbt talk contribs created page File:SP2.jpg
23:09, 21 June 2022 Camrenbt talk contribs created page File:SP1.jpg
23:09, 21 June 2022 Camrenbt talk contribs created page Seepage and erosion around the conduit must be taken seriously (Created page with "<div style= "text-align:center;">''Message: Seepage and erosion along conduit must be taken seriously.''</div> ----</br> It is very common for dams to have poor compaction around the conduit. Water can flow along the conduit when fractures form in regions of poorly-compacted, low-density fill material. Fractures lead to internal erosion and the development of a void along the conduit. Content From Conduits through Embankment Dams (FEMA) <gallery mode="slideshow"> File...")
23:09, 21 June 2022 Camrenbt talk contribs uploaded File:SP2.jpg
23:09, 21 June 2022 Camrenbt talk contribs uploaded File:SP1.jpg
22:56, 21 June 2022 Camrenbt talk contribs created page Seepage and Piping (Created page with "Seepage near or around a conduit often indicates a problem is developing. Understanding the cause of the seepage is important to determining the path forward. ---- *Seepage and erosion around the conduit must be taken seriously *Seepage into pipe can go unnoticed for years until sinkhole develops *Deteriorated conduits with holes can cause seepage *Multiple Factors May Contribute to Internal Erosion Failures")
22:47, 21 June 2022 Camrenbt talk contribs created page File:LC1.jpg
22:47, 21 June 2022 Camrenbt talk contribs created page Longitudinal Cracking (Created page with "<div style= "text-align:center;">''Message: Longitudinal cracking in excess of 0.1 inch in width may indicate overloading or poor bedding.''</div> ----</br> Hairline longitudinal crack in the crown or invert indicate that the reinforcing steel has accepted part of the load. Cracks less than 0.01 inches in width are minor and only need to be noted. Cracks greater than hairline cracks, or those more than 0.01 inch in width but less than 0.1 inches (slightly more than the...")
22:47, 21 June 2022 Camrenbt talk contribs uploaded File:LC1.jpg
22:44, 21 June 2022 Camrenbt talk contribs created page File:Fixing Conduit.pdf
22:44, 21 June 2022 Camrenbt talk contribs uploaded File:Fixing Conduit.pdf
22:37, 21 June 2022 Camrenbt talk contribs created page File:Fix Leaky Conduit Document.pdf
22:37, 21 June 2022 Camrenbt talk contribs uploaded File:Fix Leaky Conduit Document.pdf
22:30, 21 June 2022 Camrenbt talk contribs created page File:Fix Leaky Conduit.pdf
22:30, 21 June 2022 Camrenbt talk contribs created page File:ES2.jpg
22:30, 21 June 2022 Camrenbt talk contribs created page File:ES1.jpg
22:30, 21 June 2022 Camrenbt talk contribs created page Exposed Steel (Created page with "<div style= "text-align:center;">''Message: Repair exposed steel as soon as possible.''</div> ----</br> Exposed steel due to spalling and cracking allows water to corrode the steel, which quickly weakens the pipe. If you have exposed steel, repair it quickly by cleaning and grouting the impacted location. <gallery mode="slideshow"> File:ES1.jpg|The Steel cylinder of this prestressed concrete cylinder conduit was visible in a recent inspection of this central montana da...")
22:30, 21 June 2022 Camrenbt talk contribs uploaded File:Fix Leaky Conduit.pdf
22:30, 21 June 2022 Camrenbt talk contribs uploaded File:ES2.jpg
22:30, 21 June 2022 Camrenbt talk contribs uploaded File:ES1.jpg
22:13, 21 June 2022 Camrenbt talk contribs created page File:Continuous flows pic.jpg
22:13, 21 June 2022 Camrenbt talk contribs created page Continuous Flows can Reduce Deterioration in Downstream Valves (Created page with "<div style= "text-align:center;">''Message: Deterioration of CMP does not occur at the same rate. Experience has shown us that the deterioration accelerates with time.''</div> ----</br> An inspection in 1999 showed this pipe to be in relatively good condition. 15 years later the pipe was completely corroded and failed. <gallery mode="slideshow"> File:Continuous flows pic.jpg| While the conduits may last a long time, holes can still develop in the pipe - as noted in thi...")
22:13, 21 June 2022 Camrenbt talk contribs uploaded File:Continuous flows pic.jpg
22:04, 21 June 2022 Camrenbt talk contribs created page File:SERVICE LIFE.jpg
22:04, 21 June 2022 Camrenbt talk contribs created page Service Life (Created page with "<div style= "text-align:center;">'' Message: Concrete conduits can last a very long time. A really old conduit may be in good condition and function properly.''</div> ----</br> <gallery mode="slideshow"> File:SERVICE LIFE.jpg|This Jefferson County, Montana dam is over 100 years old. The concrete conduit is still in good condition. </gallery> Category:Example Pages {{Revhistinf}}")
22:04, 21 June 2022 Camrenbt talk contribs uploaded File:SERVICE LIFE.jpg
21:59, 21 June 2022 Camrenbt talk contribs created page File:JointD3.jpg
21:59, 21 June 2022 Camrenbt talk contribs created page File:JointD2.jpg
21:59, 21 June 2022 Camrenbt talk contribs created page File:JointD1.jpg