Proposal:Insulation proposal
| Insulation proposal | |
|---|---|
| Proposal status: | Draft (under way) |
| Proposed by: | fanfouer |
| Tagging: | insulation=* |
| Applies to: |   
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| Definition: | Propose to add information about any kind of building, pipeline or cable insulation (thermal, electrical, soundproofing, pressure or even waterproofing) |
| Statistics: |
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| Draft started: | 2016-12-06 |
This is a placeholder page for incoming proposal. Writing is pending, keep in touch !
Rationale
Insulation refers to all means designed to protect an object or a closed place from something that should be avoided or to prevent a fluid to get out of any duct. It often regards building=* with heat, cold or noise protection but can also cover power power=cables, man_made=pipeline or even noisy highway=*.
Materials like mineral wool or SF6 gas are used to prevent cold from getting inside buildings or high voltage power lines to get linked to earth.
According to wikipedia, we can consider several field covered by insulation :
- Building insulation : Any object (including insulated glazing) protecting a building from heat, cold, noise or whatever
- Electrical insulation : Field to protect power lines/cables from surrounding environment (often linked to earth).
- Noise insulation : The ways to reduce sound mechanical pressure in environment
Proposal
It is proposed to start mapping any insulation mean in OSM with the insulation=* key.
It can allow contributors to best describe how man_made structures are built to save energy or get more efficient and respect surrounding environment.
Data consumers may be interested in retrieving such information as to improve city planning or industrial design.
Then, citizen may have to know how the place they live in saves power or not, or how the next door highway will be heard inside of homes.
Such a domain is broad and various insulation means actually exist. I wish this proposal to be an introduction with only 1 or 2 new keys.
Maximum precision on buildings may not be possible without a deep area OSM cluttering, wall, windows and roof distinguishing, which reasonably can't be done.
This document will be focused on global insulation classification and material mapping.
Local classifications (material efficiency, financial advantages and so on...) can't be added to OSM since they are really different between countries or even cities. It is proposed to only add objective information.
As many proposal, it aims to provide consistent tagging suitable for certain situations (as wide as possible). Individual cases can rise against what is proposed there.
Keep in mind that perfection doesn't simply exist and tagging schemes are built to be extended in several steps.
RFC will help to best refine scope and goals of this proposal.
Tagging
Here is a partial tagging to use on any insulated object (buildings, power cables, pipelines, noise reduction wall...)
| Key | Value | Comment | Recommendation |
|---|---|---|---|
| insulation | <Field of insulation> | The kind of protection the material is supposed to bring on object. See below for proposed values | mandatory |
| insulation:material | <insulation material> | The material used to insulate the object | recommended |
| insulation:structure | <insulation structure> | How the material is organized to provide a good insulation | optional |
Insulation values
| Key | Value | Comment |
|---|---|---|
| insulation | thermal | A Thermal insulation includes all means preventing heat or cold to penetrate a place or object. Use this value to indicate a specific building=yes (for instance) is protected against heat loss or cold exposition. |
| soundproof | Soundproofing consists in reducing (often by absorption) the mechanical pressure caused by sound propagation in free space. We can use this value on noise reduction barrier=wall beside a high traffic road. | |
| electrical | Electrical insulation aims to protect a power device feed at a different voltage than one of surrounding environment from brutal discharge in earth. It's a mandatory condition to safe power transmission in cables which are often placed in narrow or underground places. | |
| radioactive | Radioactive waste treatment aims to protect from hazards caused by radioactive wastes. The tag can be usable for radioactive dumping sites. |
Insulation material
The insulation material is given regardless of its shape or weight, regardless of the field of insulation it serves or of the structure it is involved into.
| Key | Value | Comment |
|---|---|---|
| insulation:material | glass | |
| mineral_wool | ||
| plastic | ||
| gas | ||
| metal |
Insulation structures
| Key | Value | Comment |
|---|---|---|
| insulation:structure | ||
| coating | The most common insulation structure: insulating mediums surround the insulated subject | |
| faraday_cage | A Faraday cage can be considered as an insulation medium to protect a particular device or environment. | |
| pressurized | When fluids and gas are used to protected something. For instance, pressurized SF6 or nitrogen can be used to shorten insulation distances between power conductors and earthed supports. |
Keys to be replaced
| Obsolete tag | Used for ? | New tag(s) to use |
|---|---|---|
| gas_insulated=yes | Electrical insulation on power lines | insulation=electrical + insulation:material=gas + insulation:structure=pressurized |
Examples
Buildings
| Photo | Aerial view | Tagging | Note |
|---|---|---|---|
Electrical
SF6 insulation. Faraday cages. Plastic insulation (for cables)
| Photo | Aerial view | Tagging | Note |
|---|---|---|---|
| - | On power lines or power bays designed with gas insulation :
|
A Gas Insulated Substation (GIS) where SF6 (sulphur hexafluoride) gas is used as an insulation medium to shorten insulation distances between live conductor and its supports. Devices like switches or current transformers should also have this tagging since they are insulated the same way too in that kind of substation |
Pipelines and fluid ducts
Heat insulators, cold insulators,
| Photo | Aerial view | Tagging | Comments |
|---|---|---|---|
| - | Ducts are insulated with rock whool uncoated at ends as to allow solding works during contruction |
Transport noise
Noise reducing walls,
| Photo | Aerial view | Tagging | Note |
|---|---|---|---|
| - | On highway
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A noise barrier preventing car noise disturbing neighbourhood of a high traffic road in Germany. Tagging of this proposal aims to describe the highway itself instead of the barrier beside, like speed limit signs and their effect on the corresponding road section. |
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