civilbjp (Civil/Environme)29 Jan 03 14:17 Could someone tell me how to handle a time of concentration in TR-55 to take into account a vertical wall, specifically in the case of water flowing into a quarry.In addition, could someone tell me where to m
ArchDog (Industrial)28 Jan 03 10:46 Question about sizing roof drain and down spout for a flat roof 1/4 to 12 slope. This roof is in the Hampton, Newport News Area, Va. The area rain fall intensity by code is 3.5-inches per hour. Does anyone have a s
waterguy926 (Civil/Environme)17 Dec 02 10:33 Can anyone recommend a good stormwater management software package?We have Hydraflow Hydrographs 2002, and are not satisfied with it. elminer (Civil/Environme)17 Dec 02 16:06 It depends on what you are try
camdoug (Civil/Environme)24 Jan 03 16:20 What are some calculations that can be used in high water table regions that test situations concerning flotation of storm pipe(namely CMP)?Thanks for the help. dicksewerrat (Civil/Environme)25 Jan 03 22:16 We
m63 (Civil/Environme)5 Dec 02 10:04 I'm supposed to design a storm water detention pond for 12ha/30acres Industrial Park. My experience with it = 0. Any advice in terms of design procedure, publications and computer sowtware will be helpfull. KThomso
cimmeron (Civil/Environme)23 Jan 03 11:35 I am designing a project in North Florida with a detention basin that also includes water quality treatment.However, I would like more fill from the pond than the 12 feet allowed. This depth limit is imposed
RHOeng (Civil/Environme)17 Jan 03 14:23 I have a HecRAS model that I deleted some of the cross sections from the geometric data file.I unknowingly deleted one where there was a Q change.The Edit/Steady Flow Data entry still had an entry at that river
ddsgeotech (Civil/Environme)31 Dec 02 11:30 we need to evaluate the effects of waves crashing on a landfill's slope stability.We are planning to calculate the effects of rapid increase and drawdown of groundwater levels.Does anybody have any suggesti
KThomson (Civil/Environme)27 Nov 02 8:56 Hello - I have a project where I need to get the stormwater to an existing manhole. To do so, we have a pumping station with a force main.The problem is that there are two 54 combined sewer pipes to cross, and
jblack (Visitor)22 Aug 02 14:33 I am looking for a way to remove manhole covers and storm drain covers automatically either with a truck attachment or a portable machine.Does anyone know if this animal already exists?If so, any information about it
simonrr (Civil/Environme)17 Oct 02 13:59 I am designing a subdivision in which I need to consider backflow.Can anyone tell me a quick, efficient way of calculating backflow for my pipe system?Is there a spreadsheet that someone has that would be able
brobin (Computer)11 Nov 02 18:47 I have a sump pump that has the water drainage hose buried under about 3 feet of soil and goes into a pond on my property. The problem is that the outlet is clogged and I cannot seem to get it cleaned out (it is under
mweng (Civil/Environme)15 Nov 02 15:39 Does anyone know if and who manufactures trash racks for gutter inlets? dicksewerrat (Civil/Environme)15 Nov 02 23:55 Are you talking about 'water hogs' or what? Neenah Foundry out of Neenah, WI has many casting
ExecutorIoh (Civil/Environme)19 Nov 02 9:08 I am working on a 20-acre site that lies within a FEMA designated zone A.Only 63-cfs enters the site and is conveyed safely through a small portion of the site back to its natural channel.My problem is that