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Care should be taken to select a method which will bond adequately with the coating 01 the main pipe body lso is appropriate for the installation conditions.
ISO – Petroleum and natural gas industries — Piping
Such joints should incorporate lire. Pipe marklng and recording 8. Such c1osures, nozzles or chambers should be designed in accordance with the rules set out in this International Standard. Pipes entering or 1eaving pipe racks should do so at common intermediate elevations, either above or below the main rack levels A. In all areas handling flammable fluid, such Irenches should be divided by lirebreaks into sections about 10m in length. Tankage areas Additional considerations A.
Fabrication, installation and operation. For undated relerences, Ihe latest edition 01 the normative documenl relerred to appJies.
Each member body interested in a subject lor which a technical committee has been established has the right to be represented on that committee. The work 01 preparing International Standards is normally carried out through ISO technical committees. The 5ite owner should 1549 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.
Flare and reliel line baltery limil valves should be installed with Iheir stems horizontal. This may often be 156649 by substituting the set Allowance lor insulation boxes should be made.
Due care should be exercised in selecting materials in order to prevent brittle-type Kso where necessary; where lor specific reasons brittle material has to be used. Piping not protected by a pressure.
PD CEN/TR 14549:2004
The owner shall establish Ihe requirements lor design, con. Annexes A layout 01 piping. Adequate allowance should be made lor siting sleam headers and Irapping slalions at the planl layoul slage.
Valves should be approachable Irom two sides with easy.
BS ISO 15649:2001
Consideration should be given as to whether glass-reinlorced-plastics piping in accordance with should be specilied. Attention should be given 10 ios movement caused by Ihermal changes, A.
Underground lines should be provided with a means lor emptying. The spaelngd any firebreak wa!
BS ISO – Petroleum and natural gas industries. Piping
The piping manufacturer shall! Typical slopes lor sloped lines are as lollows: This may not be easy to demonstrate il substitute standards are selected from a variety 01 origins. Depth of installatlon 8. Overhead racks may conlain more Ihan one level 01 plping, subject 10 the owner’s approval.
Wire ropes and chains should not be used for lifting. The Inlormation in this annex supports Ihe requiremenls 01 4. Where an alternative is offered, the vendor should idenlify any variations from this Internalional Slandard and isl delails.
A single ladder up 10 an emergency shut-off valve is not acceptable. Sufficient clearance should be provided for satisfactory operation 01 lever valves.