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  • Users: exCLP
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  1. exCLP

    Waiting 3-seonds at a green light before proceeding

    Anyone have history, data or recommended practice information on the following: "When the signal light turns green, the driver should remain stopped for 3-seconds of green, before starting into the intersection, to protect against cross-traffic drivers running their red light." Evidently Bell...
  2. exCLP

    API 1104 vs. ASME Section 9

    On a crude oil pipeline station, when does API 1104 apply and when does ASME Section 9? On Welding Procedures, I am hearing two versions: 1) API 1104, till after the first above-gound flange, then ASME Section 9; versus, 2) API 1104 throughout ..."a pipeline is a pipeline"
  3. exCLP

    Halo effect on pipe welds

    It has always been a concern to me about the halo effect of pipe welds, or any welds for that matter. The heat effect of the weld in the adjacent region of the pipe weakens the pipe strength, as with any heat weld. On a practical basis, there does not seem to be a problem, especially because of...
  4. exCLP

    Welding w/ E6010 root on X-65 pipe

    Two questions: 1. Is weld rod numbered by ultimate strength or yield strength? ...hearing ultimate, but want to check. 2. Seeing Welding Procedures for X-65 pipe where E6010 is used as a stringer (due to ease of laying down a good root with complete fusion) with E8010 for hot pass through cap...
  5. exCLP

    Pipeline Surge Software

    What is a good Pipeline Surge Calculation Program, to make detailed surge calcuations for when valve at discharge of delivery station is shut: station piping surge, propagation of surge up mainline, additive reflective surge waves on mainline and along branch laterals ...am dealing with...
  6. exCLP

    Cost of mass transit

    Anyone have up-to-date cost numbers ($/passanger-mile) for rubber-tire and fixed-rail (at-grade, elevated, and tunnel) mass transit systems....Interested in both Operating and Capital Recovery.... Is there any mass transit system out there that pays for itself, or does this still remain 1950's...
  7. exCLP

    cost of crude oil tanks

    Anyone have rough pricing on crude oil tanks, with internal floaters? I am looking at having to build a relatively small 10,000 bbl. tank.

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