ISO 15649 PDF
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Tankage areas Additional considerations A. Typical slopes lor sloped lines are as lollows: Piping not 156499 by a pressure. Adequale means should be provided lor removing Ihe test waler from the pipe and trench.
Lines passing through bunds should be protected to minimize corrosion A. Fabrication, installation and operation.
BS ISO 15649:2001
This may often be achieved by substituting the set Due care should be exercised in selecting materials in order to prevent brittle-type Iracture where necessary; where lor specific reasons brittle material has to be used. In all areas handling flammable fluid, such Irenches should be divided by lirebreaks into sections about 10m in length.
InstalJation in trenches 8. Such c1osures, nozzles or chambers should be designed in accordance with the rules set out in this International Standard.
Methods 01 protection may include: Underground lines should be provided with a means lor emptying. The piping manufacturer shall! The 5ite owner should be required to lurnish details 01 all other actual or planned buried services including cables and all roadways or other surface loads within the construction working width or 20ne 01 the proposed pipe. The work 01 preparing International Standards is normally carried out through ISO technical committees.
Pipe marklng and recording 8.
The bore of the piping should be clean 10 the required standard belore laying in Ihe trench. The informalion in Ihis annex A supports Ihe requiremenls 01 4. Such joints should incorporate lire.
This may not be easy to demonstrate il substitute standards are selected from a variety 01 origins. The owner shall establish Ihe requirements lor design, con. For undated relerences, Ihe latest edition 01 the normative documenl relerred to appJies. Dynamic amplification may be ignored.
Examples 01 lines requiring complete drainage are: Allowance lor insulation boxes should be made. Attention should be given 10 pipe movement caused by Ihermal changes, A. Consideration should be given as to whether glass-reinlorced-plastics piping in accordance with should be specilied. Depth of installatlon 8.
ISO 石油及天然气工业-管路 – MBA智库文档
The spaelngd any firebreak wa! Pipes in sleeves should be sealed to the sleeve where A.
Additiona1 earth cover e. Flare and reliel line baltery limil valves should be installed with Iheir stems horizontal. Each member body interested in a subject lor kso a technical committee has been established has the right to be represented on that committee.
Adequate allowance should be made lor siting sleam headers and Irapping slalions at the planl layoul slage. Annexes A layout 01 piping.
Valves should be approachable Irom two sides with easy. Where lines need to be drained completely, the piping should be sloped and be provided with drainage points. Valves in ground-Ievel pipe tracks should be suitably grouped. Where an alternative is offered, the vendor should idenlify any variations from this Internalional Slandard and provide delails.
These should also be employed for sections inslalled by thrusl boring or similar means. Pipes entering or 1eaving pipe racks should do so at common intermediate elevations, either above or below the main rack levels A.
Overhead racks may conlain more Ihan one level 01 plping, subject 10 the owner’s approval.