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Yep, I am running it in the subcritical flow regime. I know the starting wse elevation but the question is, is there a way to simulate standing water? HEC-RAS takes the starting wse and calculates a flow for it. That's not what I want. I want to model the effects of flow dissipating into...

Hello, Is there a way within HEC-RAS to model flow into a standing body of water? For instance, I have a case where I have culverts terminating in a standing body of water (lake). I have a cross-section of the lake and a known water surface elevation for the lake. The problem is when using...

Does anyone have a reference to an accepted classification system for various types of cost estimates? For instance, a Class ?? cost estimate would be used for conceptual planning and has an accuracy of +-30%. A Class ?? cost estimate is for a final design and has an accuracy of +-5%. Etc...

Thanks for the replies. Well I measured my suppply (duct leaving the furnace). It’s 17”x11”. In the crawl space I have four ducts coming from the main supply, each of 6”, going to the downstairs vents. I assume the upstairs duct work is the same size, 6”. Upstairs I counted 8 supply vents...

Hopefully someone can help me out. I'm stepping out of familiar territory (civil, water resources) into the unfamiliar (HVAC). I had severl AC contractors over to my house to give estimates on installing AC. I received all kinds of conflicting info. I was told that my existing duct system...

Does anyone know of a way to rotate a raster reference file to a degree other than 90, 180, or 270 in Microstation J? I used to do this with IRASC but no longer have that software. After it's rotated I'll need to clip it and be able to print it. Thanks.