opfhan.blogg.se - Piping isometric drawing

Line items like orifice flanges, spectacle blinds, strainers, etc shall be installed following proper orientation. Installing Piping FlangesĬlean pipe flanges should be brought up flush and square without forcing to bear uniform bolt tension and gasket compression.

Pipe clearances from other pipes, equipment, and structures should be maintained.

Piping Joints shall be properly aligned.

Large-bore piping shall be installed prior to small-bore piping.

Installation of piping on pipe racks should be done from lower elevation to higher elevation.

To avoid the ingress of moisture and foreign matter, pipe openings should be sealed during erection.

Undue stresses should not be applied to force the piping to keep it in the proper place.

The number of temporary supports shall be minimized. Primary pipe supports can be welded prior to erection following pipe support drawings.

Pipework should be erected on supports designated for the specific line.

Pre-fabricated spools need to be identifiable and numbered/tagged.

All tools, equipment, ropes, and pipes must be inspected and certified by HSE guidelines before erection to ensure that they are safe and ready, clean, and free from loose contamination.

The following piping erection guidelines should be followed:

Proper planning should be made to erect piping, area-wise following piping isometric and GA drawings. Underground Pipe Installation Pipework Erection Procedure.Installing Piping Flanges, Valve, and equipment Flange Connection.1 below shows typical drawings required for piping installation and a piping erection and installation flow chart. Piping GA drawings include the locations of the main equipment in the plant, main piping items, fittings and valves, nozzle orientation of the concerned equipment, etc. Piping Isometric drawings include proportionate drawings with exact dimensions represented, line numbers, pipe fittings, valves, flanges, special components, tables including a list of all fittings in the drawings, etc. Process condition & physical data, operation condition, streamflow details, Equipment numbers, etc. P&ID is considered to be the heart of piping, they include pipeline number, size, material, and insulation. Piping Support Drawings from Pipe Support Standard.

The main inputs referred to during piping erection are:

Piping installation at the construction site is done following proper engineering work methods and drawings.