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  1. hotgas

    What is the typical stud spacing for wood or metal studs?

    When I worked for a "third-party inspection" firm, we hired an architect with a Master's degree in Architecture. He did not know what drywall was, nor which pipes were the water supply lines (which were copper).
  2. hotgas

    Red book, green book, blue book

    But the "Purple Book" was a USEPA guide on asbestos testing.
  3. hotgas

    Calculation of Bearing capacity of Pavement

    When I took a pavement engineering class 30 years ago, the professor noted that if we didn't do the design correctly, it did not have very far to fall.
  4. hotgas

    Locating Storm Drain and Sewer Lines Without Potholing?

    Use a sewer jet with a radio transmitter on the nozzle. As the jet pulls the hose down the line, one can follow the path from above by following the radio signal. Thus works much better than a tv camera because the camera does not disclose curves and bends very well.
  5. hotgas

    Dampening Structural Vibrations--Good Books?

    Look in the US Army Corp of Engineer library. See http://www.usace.army.mil/library/pubserv.html Years ago they had a technical manual on designing foundations for vibrating equipment.
  6. hotgas

    Book for Construction Methods and Material

    Since you will be tested by the Pennsylvania Department of Transportation, read their material manuals. Such as Publication 19 "Pennsylvania Test Methods" or Bulletin 15 "Approved Construction Materials". These are available on their website.
  7. hotgas

    Oil Water Seperator Calculcations

    Check American Petroleum Institute's Publication 421 "Management of Water Discharges: Design and Operation of Oil-Water Separation, 1st Ed (1990). See www.api.org.
  8. hotgas

    Ethanol tolerant yeast

    Do you think they will ever find a yeast that can survive ethanol concentration over 9%?
  9. hotgas

    Back to cellulose ethanol discussion

    Why not put a cellulose to ethanol plant at each landfill. The garbage guys have to take the newspapers and garbage peels there any way. Therefore the cost of collection and transportation is covered by the garbage hauling contract. There are estimates that one can get about 50 gallons of...
  10. hotgas

    Back to cellulose ethanol discussion

    Gasoline is usually added to fuel-grade ethanol in order to denature it. i.e. make it bad tasting so it goes into the fuel tank and not into the employees.
  11. hotgas

    Rainfall Data 24 Hour Storm, Northeast Ohio

    The Northeast Ohio Regional Sewer District (www.neorsd.org) maintains a network of 25 raingages. The data is not on the internet. When I worked for an eastern suburb (circa 1986), we got a printed monthly report showing rainfall at all of the raingages. Now twenty years later, it is probably all...
  12. hotgas

    Books on Waste management

    What aspect of waste management are you interested in? Municipal solid waste? Hazardous waste? Animal Feedlot waste? Wastewater treatment? Waste reduction?
  13. hotgas

    Invitation to the ASBOG discussion forum

    Where does one find this discussion page?
  14. hotgas

    Phase II Environmental Site Assessment

    On Thursday, August 26, 2004, the USEPA proposed in the Federal Register, rules they believe one should follow to obtain the "Innocent landowner defense" of CERCLA. They contend the ASTM Standard for Phase I ESA is not in complete accordance with the intent of CERCLA and SARA.
  15. hotgas

    GW investigation - how to interpret these results?

    KRS Services Caffine as a marker of groundwater contamination? Have you actually done this? Where can I find out more?
  16. hotgas

    Polyeruthane Joint Sealant for Concrete Pavement

    In 1984, I tested every available type of pavement joint sealant available in the local market. I wanted to seal joints in concrete streets that were over 30 years old. Polyurethane took too much joint preparation and the material cost was too high to be cost effective against the rubberized...
  17. hotgas

    Phase II Environmental Site Assessment

    A phase II can be anything you negotiate. The Phase I environmental site assessment was developed as a screening tool to consider if there is any reason a prudent business owner should suspect a site to be contaminated to such an extent that the owner would have CERCLA liability. Phase I's...
  18. hotgas

    Need enlightment on Technical Writing

    Toolman, When Gerald Ford was US President, he too wanted each national policy distilled to one page. Can you imagine how hard that must have been?
  19. hotgas

    Criteria for number of soil borings required?

    The US Department of Housing and Urban Development (HUD) Directive Number 4460.1 "Architectural Analysis and Inspections for Project Mortgage Insurance" para 1-4M4c suggests, "At least one boring must be made for every 2500 sq. feet of foundation area. For buildings supported on...
  20. hotgas

    Energy from Waste

    The New York Times on Tuesday December 2, 2003 reports that the City of New York spends $257/ton to dispose of its MSW. Why not make ethanol?

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