Piping Isometric and Plot Plan Drawings
Coordination System..
Plot Plan and Equipment Arrangement
Foreword
For clarity, as on this website the word Plant is used, so it refers to a Procedure plant such as a Chemical constitute, Petroleum refinery, Gas Processing plant, Petrochemical, Pharmaceutical, Textile, Paper, Semiconductor and Cryogenic plants and related processing plants and terminals.
Drawings, which are shown on this page, are fictitious, but they have been drawn a functional Plot Plan of a Procedure Establish.
Over the years, I've seen a lot of Plot Plans of several technology companies. All these companies show a sure standard in their plans, merely the layout and dimensioning is often quite different. Likewise sometimes customers or authorities wants to accept additional information on a Plot Plan. For this reason in that location is no general dominion, for a "final" Plot Programme.
Plot Plan
A Plot Programme is a scale cartoon that gives an overview (top view) of the entire plant. All roads, buildings, units, tank farms, employee archway etc. volition exist given on a Plot Programme. It too listed the true north and Plant due north, port address, sometimes prevailing winds, reference indicate(s), horizontal references etc..
Y'all will empathize that a whole process plant, usually can not be given on a readable cartoon. Therefore, a distinction is made between a Overall Plot Programme and a Detailed Plot Plan.
Overall Plot Plan
A Overall Plot Plan, sometimes this plan called a Site Plan or a Site Master Plan, you can compare with a urban center road map. Important buildings, parks and street names are given, simply not the firm numbers or the number of rooms in a building.
With the drawing in your easily, yous should find a sure process tank farm and a specific tank, only non a pump or a plate cooler, or heights of buildings, tanks and then on. That kind of equipment and dimensions are not shown on a Overall Plot Plan.
IMAGINARY OVERALL PLOT PLAN
Right downwardly on the drawing you can see the starting point of this imaginary Overall Plot Plan.
North starting with N - 000.000 coordinate and East with E - 400.000 coordinate.
Both related to an officially recognized reference signal, but in exercise, the due east coordinates refer often to another reference object, and do not first with the coordinates E - 000.000.
Correct on the top under "Notes" yous tin run into the plant north coordinates and (important !) starting reference pinnacle of this establish is EL.100000. (meet Reference points)
At that place are no piping-bridges, pipelines, pumps or other equipment shown on that cartoon, merely the plan gives a good impression of a overall process plant.
Detailed Plot Plan
In contrast with a Overall Plot Plan, a Detailed Plot Plan gives a overview (top view) of a part of a process plant. By and large it shows a part of a sure area, floor or unit.
As yous might have seen on the overall Plot Plan, the process building is largely equipped with a roof, and only some equipment parts are visible from to a higher place.
TOP VIEW 4th Floor DETAILED PLOT Program at EL.129200
The programme shows the whole 4th flooring on a elevation of EL.129200. These elevation are related to the upper part, Pinnacle of Concrete (T.O.C.) of the fourth floor of the FM-Expanse, and indicates a elevation of 29200 millimeters from the starting signal (EL.100000) of the process institute. Furthermore, information technology shows some equipment, a large pipeline and some smaller, a staircase and the columns of the steel construction of the building.
Watch out, that all East and Northward dimensions, starting at the middle lines of the columns.
A major advantage of a proper detailed Plot Plan is that y'all tin can determine from your office, or a new piece of equipment in a certain area, flooring or unit, can be placed. That however just applies to the horizontal dimensions, considering y'all cannot see possibly obstructions in the vertical level.
What yous also cannot meet on a Plot Plan, are the elevations of the equipment. That means that you exercise not know, or a device on the fourth floor or may be already on the tertiary floor begins...for this reason, Equipment Arrangements have been considered.
What is a Equipment Organization..
Equipment Arrangements are drawings, which show the top and side-view of a part of a process plant. The top-view is like to a detailed Plot Programme, except that merely equipment is shown.
Both equipment arrangements shows the equipment in a particular expanse, and sometimes a few details around a specific device. With a drawing of a site-view y'all can encounter the elevations of a certain device, and if the device is going through 1, or more floors.
TOP VIEW fourth Floor EQUIPMENT ARRANGEMENT at EL.129200
LOOKING SOUTH 3th and 4th Floor
EQUIPMENT Organization at EL.121900 and EL.129200
Summary
Plot Plans and equipment arrangements are resources to help decide relative and specific positioning of equipment on a process establish, related to the plant north, that on the drawings must be shown.
Both assistance the development of support facilities and are used to determine the almost cost-effective structure sequence and methods. They are too used for operational needs, such every bit training and emergency access, and are essential for obtaining permits and determining environmental and personnel prophylactic. They are the main documents used in assessing fire protection and if necessary, to obtain regime permits..
Plot Plans and equipment arrangements are dynamic documents and evolve farther during the structure phase and the lifetime of a process found.
Source: https://www.wermac.org/documents/coordination_part2.html
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