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  • Users: brpillai
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  1. brpillai

    Bulge of Bottom plate in a water tank

    Hi Experts, I am faced with a problem of restoration of a Water tank, designed conforming to API 650, built in sand pad foundation. The tank is 48 m dia and 16 m height having cone roof supported by Shell. The tank was ready for water filling when a bulge of the bottom plate was noticed...
  2. brpillai

    Jet fuel pipeline commissioning

    I am working on Jet fuel pipeline over 100 km long. The fuel will be supplied from refinery tanks to the airport tanks through booster and main line pumps feeding to the cross country pipeline. The fuel recived will be cretified as per the newly introduced stringent JIG 1530 quality...
  3. brpillai

    Use of isolation for UG to AG pipeline

    Dear Experts, I am working on a lquid pipeline project (over 2100km long), which is having piping and pipeline going from UG to AG for locations such as below: 1. Pipe crossings at road crossings within the station. these include product pipes, fire water pipes and drain pipes. 2. At...
  4. brpillai

    code break between 31.4 and 31.3

    I have a small 8" branch line from a 24" API 5L X 60, 9.53 wt pipeline at the block valve station for the valve by pass. The pipeline is over 100 km long, having 4 similar block valve stations. as the length is very short, I want to use 8"piping material, as I do not want to buy few meters...
  5. brpillai

    Internal CP for a Jet Fuel tank

    I am designing a jet fuel tank. It requires internal cathodic protection as per the client.The tank is internal floating roof type, having an aluminium roof over the floating roof. The Interla CP is to prevent corrosion from the very unlikely occurance of water inside. Tank and the product is...
  6. brpillai

    Electrical interference by 132 KV underground cable crossing a 16" pipeline

    Dear experts, In one of our current projects, two 132 KV buried cable is proposed to be running parallel for about 50 meters to a16” buried pipeline with a gap of about 5 to 6 meters. These cables will be crossing the pipeline again after some distance, the cable will be the HT cable...
  7. brpillai

    Piggability of a 16" pipeline on elevated supports

    I am working on a pipeline project where the off shore pipeline ( DNV F 101) is reaching shore and further goes to the on shore with a pig reciever 1500 m running on elevated supports. The onshore pipeline section consists of bends for expansion loops, turnings & road crossings. The...
  8. brpillai

    Vent and darin for pipelines

    Normally high point vents and low point drains are provided for geas venting and liquid darining for hydrostatic testing in pipelines.This is not required after the hydro test unlike in piping within stations, where due to operations requirements, vent and drains are required afterwords also...

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