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  • Users: mahara7a
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  1. mahara7a

    Provision of Using Flexible Conduit in IEC Standard

    Hi guys. I have a situation where conduit be connected using flexible conduit mid-length of the conduit. In my case here, the flexible conduit is connecting the conduit embedded in slab with the conduit embedded in brick wall (highlighted in yellow refer pic). My questions are: 1) Is this...
  2. mahara7a

    Effects of Expanding HDPE PN10 Pipe Size Mid Line

    Hi guys. I'm wondering if this kind of installation will possess issues/ effects in the future. I have a pipe from pump run below structure 160mm OD PN10 (HDPE) that has already been installed after some time. Based on the drawing, it will be connected to a pipe serving an area that is sized at...
  3. mahara7a

    Interconnecting Propane Bulk Tanks as per NFPA

    Hi guys. I'm currently just involved in propane bulk storage sizing and designing course. Here is a case study where I need to design 3 numbers of propane bulk storage each having a capacity of 4000 gallon and be interconnected. The situation is I need to design storage system without using any...
  4. mahara7a

    Levelling Underground Buiding Soil Pipe Placement to Ensure Correct Invert

    Greetings to respected engineers. For an early note, I'm only recently involve and new in underground building sewage plumbing. I have a question on how to clearly interpret manhole invert level on site. Let say, I have soil pipes directed to external building manhole and based on civil drawing...
  5. mahara7a

    Supporting Chilled Water Pipe Located Below Structure Beam

    Hi all. Kindly refer attached picture for details. I have these two chilled water pipes that need to be located at certain location and passing below structure beam. My question is, is there any standardized way of doing it? My options would be: 1) Resting the pipe on ground (Do we need to...
  6. mahara7a

    Different Gauge Reading for Hydrostatic Pressure Test for Hot Water Piping

    Hi! I'm currently conducting a hydrostatic pressure test for hot water piping which consisted of a return and a supply line. The covered areas for the tested pipe is from Level 1 to Level 3. For this leak test, cold water is used as its fluid. Attached below is the basic pipe network of our...
  7. mahara7a

    Minimum Pipe Length For Hydrostatic Test (Internal Water Reticulation)

    Hi! I'm an engineer working for construction industry and currently having difficulties to determine the suitable test pressure for our internal water reticulation system. The pipe that we've used is Stainless Steel Schedule 40S TP304. For usual section test (done it by divided sections of...

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