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  • Users: amhaz75
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  1. amhaz75

    Below ground diesel pipe coating

    For below ground diesel piping, can I use 2 layers of coal tar epoxy coating instead of 3LPE?
  2. amhaz75

    Concrete pipe sleepers with low compressive strength

    I'm looking into calculating the total load of a 10" fuel gas pipe and a 4" condensate pipe to be placed on a straight run of 10 concrete pipe sleepers spaced at 12m. The test result of the concrete compressive strength (28 days cube break) came out to be around 15 MPA (Spec calls for 27.6 MPA...
  3. amhaz75

    Sandblasting flange and piping side affected paint on flange nuts and bolts

    The paint on hex nuts and bolts was affected by sandblastng operation done on flange joint piping. No mechanical damage was noticed on the body, face or thread of nuts and bolts. The bolts are torqued and the line is in service. My question is do we need to replace the affected bolts or just...

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