ISO 15649 PDF

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Examples 01 lines requiring complete drainage are: Such joints should incorporate lire. Valves in ground-Ievel pipe tracks should be suitably grouped. 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.

Tankage areas Additional considerations A. Valves should be approachable Irom two sides with easy. Wire ropes and chains should not be used for lifting. The Inlormation in this annex supports Ihe requiremenls 01 4. A single ladder up 10 an emergency shut-off valve is not acceptable. Where lines need to be drained completely, the piping should be sloped and be provided with drainage points. 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 bore of 1649 piping should be clean 10 the required standard belore laying izo Ihe trench. Adequate allowance should be made lor siting sleam headers and Irapping slalions at the planl layoul slage. Pipes entering or 1eaving pipe racks should do so at common intermediate elevations, either above or below the main rack levels A. Piping not protected by a pressure.


PD CEN/TR 14549:2004

Flare and reliel line baltery limil valves should be installed with Iheir stems horizontal. Depth of installatlon 8. The informalion in Ihis annex A supports Ihe requiremenls 01 4.

InstalJation in trenches 8. Where valves are secured in position by clamping between pipe lIanges, the effect 01 removing the adjoining pipe should be laken inlo account.

BS ISO 15649:2001

Fabrication, installation and operation. Underground lines should be provided with a means lor emptying. Pipes in sleeves should be sealed to the sleeve where A. This may often be achieved by substituting the set Sufficient clearance should be provided for satisfactory operation 01 lever valves.

Where an alternative is offered, the vendor should idenlify any variations from this Internalional Slandard and provide delails.

Protective pipe coatings should be examined after the pipe is laid and prior to back-filling the excavation. AII buried pipe5 should be identilied on as. The spaelngd any firebreak wa! For undated relerences, Ihe latest edition 01 the normative documenl relerred to appJies.

BS ISO – Petroleum and natural gas industries. Piping

In all areas handling flammable fluid, such Irenches should be divided by lirebreaks into sections about 10m in length. The work 01 preparing International Standards is normally carried out through ISO technical committees. Typical slopes lor sloped lines are as lollows: Adequale means should be provided lor removing Ihe test waler from the pipe and trench. Annexes A layout 01 piping. These should also be employed for sections inslalled by thrusl boring or similar means.


Allowance lor insulation boxes should be made. Care should be taken to select a method which will bond adequately with the coating isoo the main pipe body and is appropriate for the installation conditions.

Additiona1 earth uso e. Draining and venting 4. Pipe marklng and recording 8. Overhead racks may conlain more Ihan one level 01 plping, subject 10 the owner’s approval. Methods 01 protection may include: Consideration should be given as to whether glass-reinlorced-plastics piping in accordance with should be specilied.

Such c1osures, nozzles or chambers should be designed in accordance with the rules set out in this International Standard. This may not be easy to demonstrate il substitute standards are selected from a variety 01 origins. Attention should be given 10 pipe movement caused by Ihermal changes, A. Dynamic amplification may be ignored. Lines passing through bunds should be protected to minimize corrosion A.

Pipe lracks should nol encircle equipment. The owner shall establish Ihe requirements lor design, con. 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.