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Recent content by daddymem

  1. daddymem

    Rawls rate question

    See Table D 13.1 http://www.mde.state.md.us/assets/document/sedimentstormwater/Appnd_D13.pdf (sorry if it takes a while to load, didn't find a clean table elsewhere on the web) It is the Rawls, Brakensiek and Saxton, 1982 "Rawls Rates" table. What confuses me is the inclusion of soil texture...
  2. daddymem

    Tc Calculation confusion

    The standard practice where I am is to use TR-55 sheet and shallow concentrated flow when determining time of concentration (paved or unpaved for shallow concentrated flow). My superior is asking that I change to the Upland Method for my models. But he says that the first 50' would still use...
  3. daddymem

    Hyrologic Soils Groups and Ledge

    I am a mid level civil engineer and I have been asked by one of my superiors to do what I think is a peculiar thing on one of my stormwater models. The site in question has a large portion mapped as HSG D and a smaller portion mapped as HSG C. It is a wooded site with exposed and shallow...
  4. daddymem

    Septic Systems

    First off, good advice going to the local guys and see what the requirements are. Around here we can build septic systems in the flood zone. We just have to compensate for any flood storage filled in if we have to mound. Nothing special about the systems though. If it were my system in a...
  5. daddymem

    Massachusetts Engineers-Rainfall Data Map Question

    That looks promising: U.S Dept. of Agriculture, Soil Conservation Service. Guidelines for Soil and Water Conservation in Urbanizing Areas of Massachusetts, 1975
  6. daddymem

    Massachusetts Engineers-Rainfall Data Map Question

    It appears to have been a Massachusetts insert in the Engineering Field Manual (EFM) from 1976. I was hoping some of the veteran engineers would have a copy of that manual. Thanks for your help, I'll get to the bottom of this eventually. It bugs me to use something and see agencies use...
  7. daddymem

    Massachusetts Engineers-Rainfall Data Map Question

    Thanks, been there. That isn't it either, those are one step further than the TP-40 but still not Mass only and with the same amount of interpolation as on the ones I have.
  8. daddymem

    Massachusetts Engineers-Rainfall Data Map Question

    Attached (hopefully) is a scan of a map given to me 10 years ago when I started out as an engineer (several different sheets for different storms). I am looking for the source document of these maps. It appears to have been a Massachusetts insert in the Engineering Field Manual (EFM) from 1976...
  9. daddymem

    "Never spend more than 5-7 years in any job"

    Mid 30's one company since graduation (10 years this June). We are being gobble up my a huge firm so this may be my first move depending on how things go. I hope the length of my time at one place is a help to my resume.
  10. daddymem

    Private well question

    Yeah, that is what I was leaning towards that they should at least apply the same setback as a SAS which would be 150' in our area and your logic brings it to 200'...pretty close to the 250'. I also have been thinking....there are no surface drinking water supply sources in Town. That leads me...
  11. daddymem

    Private well question

    Thanks bimr, I will look up that reference book. I guess then it would come down to is a kennel equivalent to any of those structures.
  12. daddymem

    Private well question

    I admit, I could use a little additional education on this topic. This area is sand with groundwater around 15 feet down from the surface. The kennel fenced in area is maybe 5,000 sf and is permitted for 10 dogs. 10 Dogs urinating on sand (there is no lawn cover or topsoil) in this small...
  13. daddymem

    Parking over septic leach field

    In our area, if parking is used over a leaching area, it is a requirement to provide venting to the system. Check our progress: http://schluterhomestead.blogspot.com/
  14. daddymem

    Private well question

    Thanks, have been there already. Our state leaves the Towns the responsibility of regulating private wells unfortunately... Check our progress: http://schluterhomestead.blogspot.com/
  15. daddymem

    Private well question

    I should add, the Board of Health is researching this as well. One of the elder members thinks they intended wells when they wrote it, but couldn't remember for sure. Check our progress: http://schluterhomestead.blogspot.com/
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