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- Penetrant_(mechanical,_electrical,_or_structural) abstract "Penetrants, or penetrating items, are the mechanical, electrical or structural items that pass through an opening in a wall or floor, such as pipes, electrical conduits, ducting, cables and cable trays, or structural steel beams and columns. When these items pierce a wall or floor assembly, they create a space between the penetrant and the surrounding structure, which can become an avenue for the spread of fire between rooms or floors. Modern building codes generally require a service penetration firestop to seal the openings around penetrants (or "services"), in order to restore the fire-resistance rating of the parent assembly. Sizing of all openings has significant impact upon the adherence to the certification listing requirements. Therefore, communication between all affected trades is of great importance before any openings are made, to ensure proper sizing of the openings for cost control and conformance with listing and approval use and compliance.Penetrants are typically accommodated by plumbers and electricians, who prepare for them by installing sleeves in concrete walls and floors, before they are poured. In the case of masonry walls, electricians and plumbers tend to be there first and hang sleeves around their piping, ductwork and conduit, where they know from their drawings that block walls will be erected, in order to avoid the time and expense of having to cut openings in existing walls and floors.In the case of drywall assemblies, the opening size is determined by the drywall contractor, unless the mechanical and electrical trades are contractually obliged to provide sleeving here as well, with proper fastening methods that are in conformance with the certification listing. It is not uncommon for these trades to attempt to absolve themselves of the requirement to firestop their openings in the drywall assemblies by claiming that they were there first, meaning that others should take care of the rest. Since drywall contractors are not ordinarily required to do mechanical and electrical firestopping, the drywall openings can become an item of dispute or neglect, particularly in North American construction. This common issue can be minimised by designating a separate firestopping sub-contract, whereby a separate speciality sub-contractor firestops all openings on site, mechanical, electrical and structural, as well as the building joints. Timber floor openings are simply cut by means of a chainsaw. In this case, the width of the blade will determine sizes. Examples of common firestop/penetrant problems".
- Penetrant_(mechanical,_electrical,_or_structural) thumbnail Penetration_sizing.jpg?width=300.
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageID "30109143".
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageLength "5617".
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageOutDegree "43".
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageRevisionID "650946065".
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink Building_code.
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink Cable.
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink Cable_tray.
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink Category:Building_engineering.
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink Category:Firestops.
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink Category:Passive_fire_protection.
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink Certification_listing.
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink Chainsaw.
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink Concrete.
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink Conduit_(electrical).
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink Construction.
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink Contract.
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink Cost.
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink Drywall.
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink Duct_(HVAC).
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink Duct_(flow).
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink Electrical_conduit.
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink Fastener.
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink Fire-resistance_rating.
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink Fire_sprinkler_system.
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink Fireproofing.
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink Firestop.
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink Germany.
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink Intumescent.
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink Joint_(building).
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink Listing_and_approval_use_and_compliance.
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink Masonry.
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink Negligence.
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink North_America.
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink Obligation.
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink Penetration_(firestop).
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink Pipe_(fluid_conveyance).
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink Pipe_(material).
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink Piping.
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink Plastic.
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink Plumbing.
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink Sleeve_(construction).
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink Steel.
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink Structural_steel.
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink Subcontractor.
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink Wikt:deficiency.
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLink File:Penetration_sizing.jpg.
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLinkText "Penetrant (mechanical, electrical, or structural) ".
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLinkText "Penetrant (mechanical, electrical, or structural)".
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLinkText "Penetrant".
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLinkText "penetrant".
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLinkText "penetrants".
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLinkText "penetrating".
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLinkText "service".
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageWikiLinkText "services".
- Penetrant_(mechanical,_electrical,_or_structural) hasPhotoCollection Penetrant_(mechanical,_electrical,_or_structural).
- Penetrant_(mechanical,_electrical,_or_structural) wikiPageUsesTemplate Template:Unreferenced.
- Penetrant_(mechanical,_electrical,_or_structural) subject Category:Building_engineering.
- Penetrant_(mechanical,_electrical,_or_structural) subject Category:Firestops.
- Penetrant_(mechanical,_electrical,_or_structural) subject Category:Passive_fire_protection.
- Penetrant_(mechanical,_electrical,_or_structural) hypernym Items.
- Penetrant_(mechanical,_electrical,_or_structural) type Currency.
- Penetrant_(mechanical,_electrical,_or_structural) comment "Penetrants, or penetrating items, are the mechanical, electrical or structural items that pass through an opening in a wall or floor, such as pipes, electrical conduits, ducting, cables and cable trays, or structural steel beams and columns. When these items pierce a wall or floor assembly, they create a space between the penetrant and the surrounding structure, which can become an avenue for the spread of fire between rooms or floors.".
- Penetrant_(mechanical,_electrical,_or_structural) label "Penetrant (mechanical, electrical, or structural)".
- Penetrant_(mechanical,_electrical,_or_structural) sameAs m.0gfd4r6.
- Penetrant_(mechanical,_electrical,_or_structural) sameAs Кабельная_проходка.
- Penetrant_(mechanical,_electrical,_or_structural) sameAs Q4206650.
- Penetrant_(mechanical,_electrical,_or_structural) sameAs Q4206650.
- Penetrant_(mechanical,_electrical,_or_structural) wasDerivedFrom Penetrant_(mechanical,_electrical,_or_structural)?oldid=650946065.
- Penetrant_(mechanical,_electrical,_or_structural) depiction Penetration_sizing.jpg.
- Penetrant_(mechanical,_electrical,_or_structural) isPrimaryTopicOf Penetrant_(mechanical,_electrical,_or_structural).