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Article #227Re: California's Opportunity to Achieve Improved Flood Control
From: Warren J. Paul
Date: Thu, 13 Feb 1997 00:00
Date: Thu, 13 Feb 1997 00:00
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In <5dtj1u$7i9@boursy.news.erols.com> schelp@erols.com (Paul Schelp) writes: > > >I'd like you to explain where in the "life cycle cost" you factor in >the cost of dealing with that dam after it fills with sediment. > > > > Wrong Paradigm! Dams design today includes detailled evaluation of sediment loads carried by the inflow. A combination of designed "dead storage" for sediment and sluicing capacity is used to handle sediment over the life of the structure. Hence reservoirs do NOT fill with sediment unless they are designed to do so. Flood control reservoirs, which have temporary pools, do not fill at all with sediment. The design life of a new dam is usually taken to be 100 years without a major rehabilitation. Warren J. Paul, P.E. Dam Engineer and Proud of it!
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 106ed4,2373d8dbf9f6fee5 X-Google-Attributes: gid106ed4,public X-Google-Thread: f9e58,2373d8dbf9f6fee5 X-Google-Attributes: gidf9e58,public X-Google-Thread: 102cad,2373d8dbf9f6fee5 X-Google-Attributes: gid102cad,public X-Google-Thread: fe1ad,2373d8dbf9f6fee5 X-Google-Attributes: gidfe1ad,public X-Google-Thread: 10df74,2373d8dbf9f6fee5 X-Google-Attributes: gid10df74,public X-Google-Thread: 105030,2373d8dbf9f6fee5 X-Google-Attributes: gid105030,public X-Google-Thread: 108860,2373d8dbf9f6fee5 X-Google-Attributes: gid108860,public X-Google-Thread: f84dc,2373d8dbf9f6fee5 X-Google-Attributes: gidf84dc,public From: wjpaul@ix.netcom.com(Warren J. Paul ) Subject: Re: California's Opportunity to Achieve Improved Flood Control Date: 1997/02/13 Message-ID: <5dtttm$mbf@dfw-ixnews5.ix.netcom.com> X-Deja-AN: 218399696 References: <rpenny-ya023580000202971509530001@nntp.ix.netcom.com> <5db24u$2gp@dfw-ixnews10.ix.netcom.com> <32F9ED1F.7387@ucdavis.edu> <5de23g$8kn@dfw-ixnews7.ix.netcom.com> <32FE1D10.331F@ucdavis.edu> <5dr9gs$9kn@sjx-ixn5.ix.netcom.com> <5dtj1u$7i9@boursy.news.erols.com> Organization: Netcom X-NETCOM-Date: Wed Feb 12 8:22:46 PM CST 1997 Newsgroups: ca.water,rec.boats.paddle,alt.org.audubon,alt.org.earth-first,alt.org.sierra-club,ca.general,ca.news,ca.environment,sci.geo.hydrology,sci.geo.rivers+lakes,sci.environment,sci.engr.civil