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  1. Apexpredetor

    Slab on Grade for Modular/Mobile Home Installation

    I regularly design cookie cutter foundations (frost protected, full basement, block, poured, etc...), but I have been asked to design a simple slab on grade pad for a Double Wide home installation. I can't really convince myself that a simple 6" pad with Welded Wire Fabric (WWF) will suffice...
  2. Apexpredetor

    Am I reading Code Incorrectly?

    Good Evening All, Quick question about Residential Code, Section %502.5(2) - Girder Spans and Header Spans For Interior Bearing Walls... Since I have a good depression on the side of my house I was thinking about making a garage under a prefab cape code type addition... I am looking at some...
  3. Apexpredetor

    NYS SWPPP Question

    Sorry for the duplicate post here... I was recommended to move it to this forum... Thanks in advance for any info and opinion. I have been asked by a family member to help them with, what appears to be, a fairly simple SWPPP/SEQR permit. He/She is expanding upon an existing Mobile Home...
  4. Apexpredetor

    NYS SWPPP Question

    I have been asked by a family member to help them with, what appears to be, a fairly simple SWPPP/SEQR permit. He/She is expanding upon an existing Mobile Home Community. The expanded area is on slope, but will be terraced to properly build pads for the manufactured homes. there will only be...
  5. Apexpredetor

    Looking to Use Steel Beam in Residential application

    Morning All, I am looking to use a steel beam in a residential application. Trying to open up basement, but I am not too familiar with construction techniques to be able to specify the connections. ANy good references that might point me in the right direction? I am a NY PE, not a home...
  6. Apexpredetor

    Wood Column size and prescriptive Code

    can anybody point me in the right direction to determine , by prescriptive code, the correct sized column for a deck. I am thinking it will have an unbraced length of approx. 10ft. MY initial reaction is to go with a 6x6, but I want to confirm with NYS residential code rather than blasting...
  7. Apexpredetor

    Header Span Table Questions

    Good Morning All, I'm from NY (PE-Civil). I am doing some design on my own attached garage and I am a bit stumped on my garage header as far as prescriptive code is concerned. IT doesn't appear that the prescriptive code accounts for openings larger enough for the 16' doors? Must these be an...
  8. Apexpredetor

    GArage Addition, how to tie foundations together...

    Good Morning, I'm a civil P.E. in NY. I am planning a garage addition and I was running through some numbers and I am a bit stumped on how to tie the garage addition foundation to the existing addition? Existing structure is a two story colonial, full basement (8ft deep). I am looking to add...
  9. Apexpredetor

    Curious as to the actual use of this memebr?

    I have had a debate with other engineers in our office about the function of this member. See attached sketch. I am talking about the red member I have labeled "splice" Can anybody elaborate? Thanks
  10. Apexpredetor

    Covered Porch Header design 20ft Span

    I am trying to size a header for a covered porch but I am having an inner struggle with how to determine the size. Any span tables for this specific use? IT is a 20ft clear span 6.5/12 roof pitch, shingled roof. 40-50 GSL. The designer has a double 2x12, but I am a bit hesitant on that being...
  11. Apexpredetor

    Specific type of pipe for Trench

    I'm looking for a specification on the type of perforated pipe used in septic distribution Trenches. Any help? I usually just call it 4" Perforated pipe, but I want to be sure I am spec'ing it correct. Thanks
  12. Apexpredetor

    Best Bed for this situation...Perimeter Trench?

    Hello All, I have done a few simple septic designs in the past, but I don't have a vast deal of experience. I have done about 20 or so, but just by coincidence have been very straight forward. I am helping a friend with his septic design for ne house and I am working with a lot that had been...
  13. Apexpredetor

    Bringing up to new code with Collar ties

    If I understand correctly, all rafters not using ridge beam need to have collar ties installed every other rafter to resist uplift of the roof, correct? If I am analyzing an existing structure for adequacy for additional load am I required to suggest/mandate collar ties to be installed? If I...
  14. Apexpredetor

    Truss Cert Docs Not Available, Architect Gone, Contractor Gone...

    Good Morning, I am analyzing a roof structure for the installation of solar panels (4-5psf Load) but the building is comprised of different types of Metal plate connected wood trusses (Scissor, attic, and fink). The contractor seems to be defunct, architect is dead, and coded dept has no truss...

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