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  1. E

    Trench Cover plate for pedestrian Load

    This needs to be a steel permanent cover plate flush with the top of slab - it will sit in a depressed steel angle frame.
  2. E

    Trench Cover plate for pedestrian Load

    It is a government communications building, and they are doing some underground utility trenches, so I am not sure which live load occupancy it is. The electrical engineer is specifying for a delegated engineer to design the trench cover plates for 'pedestrian load'. I think 100psf covers that...
  3. E

    Trench Cover plate for pedestrian Load

    I am asked to design and detail a flat 3/8" diamond plate with reinforcing to withstand pedestrian loads as a trench cover plate. this plate will sit in a CIP angle frame. I have not used pedestrian loads before - is it 100psf? Is there a common way these are designed? Would the reinforcement...
  4. E

    Existing Slab w/ new basement retaining wall addition

    Yes I agree. No, the walls will not be loaded until after construction, but I don't think there is a way to construct without undermining so I will demo at least 3' of the existing wall and slab to construct.
  5. E

    Existing Slab w/ new basement retaining wall addition

    Thanks for looking at it, I think the only way to build this new retaining basement wall is to demo at least 2' of that existing slab. There doesn't seem to be a way to construct without undermining the existing slab and wall footing. Here is a section:
  6. E

    Existing Slab w/ new basement retaining wall addition

    I am designing an addition to an existing house. They are only keepint the garage slab, and i am doing everything else new. Directly behind the garage, i have designed a retaining wall for a 6' basement/crawlspace. The more i look at it, the more i thing i need to account for loads from the 'on...

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