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Recent content by efejr28

  1. efejr28

    Water Pipes Connections

    Thank you for your responses. AC pipe is an asbestos cement pipe, just like cvg states. The attempted connection is a tee. The existing pipe is the 3" AC pipe; how would you connect an 8" pipe to it? It is a pressurized system by a 120' tall tank. Thank you, EF
  2. efejr28

    Water Pipes Connections

    Is it possible to connect an 8" HDPE or PVC water pipe into a 3" AC water pipe? What pieces or couplings would be needed? What are possible restrictions and/or regulations? Thank you, EF
  3. efejr28

    Fire Flow Req'd Volume per NFPA based on occupancy

    Good day. I need to determine the Fire Flow Storage Volume required for a Health Care facility per NFPA based on occupancy. Should I look into NFPA Codes 22 & 99? In which cases is the NFPA applicable? Why not use the IBC or other? Thank you,
  4. efejr28

    Rational method application

    Hello everyone. I am wondering about the rational method applicability. For less than 160ac & retention facilities... But for more than 160ac. and detention facilities use HEC-1 modeling... ok. I have seen the rational method where instead of intensity (in/hr), only inches are used. What is the...
  5. efejr28

    earthwork puzzle

    Hello everyone! I am working with an earthwork for a rough grading set of plans. The site is divided into two parcels. I first calculated and earthwork for the whole site; existing ground against rough grade (1), existing ground against finish grade (2), and rough grade against finish grade (3)...
  6. efejr28

    Drainage area criteria

    I believe a good grading desing should start by defining drainage areas for the project; or "influence areas", where the high and low points are determined for the streets. Just want to ask for a few extra tips on the criteria or guideline to create or define this areas. Things to have in...

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