Pretty much need a full code analysis before any of us should begin to render any answers. xWKo6f>[ P)CWGb)uK?IYb,,y}@TJu7NT\QD2/i4/;_/o"Uf5X #1(e)JL"Abh%:_u~'iFdX"d:54(>G1b-q)VX!V,0;1/xnG031{HZ9xQDODO93;ch > hHkJcOC\IG'Y:S`wZG QBW z5S3 X15v``xN[ bTK36rqF3Q|=HID Many demising walls are treated with fire retardants to increase their fire rating. 0000005019 00000 n Yasser is a lifelong learner and became recently certified as a Project Management Professional. You might be thinking demising walls must be built on-site, and cannot be panelized in modular wall panel systems. IBC Multifamily Dwellings - ICC - International Code Council No Im not talking about your computers network security systems. 0000012374 00000 n Demising walls, also known as a party or common wall, cost as much as any other interior wall or about $20 to $30 per linear foot. The concept to understand here is that Fire Walls can be used to create smaller buildings within a larger one so that the code can be applied to each area or smaller building individually. assembly and an exterior curtain wall assembly per IBC 715.4. shear wall, In building construction, a rigid vertical diaphragm capable of transferring lateral forces from exterior walls, floors, and roofs to the ground foundation in a direction parallel to their planes. 5 0 obj And its the construction contractors job to ensure the walls (and the rest of the building) are built precisely to the standards laid out in the plans and specs. 11. Insulating for Sound. 0000003105 00000 n They are typically found in commercial spaces like a shopping mall. 145 0 obj <> endobj Copyright 2023 Building Code Trainer, All rights reserved. ~PlBIRr|nwAs8 0000001472 00000 n The smart choice to make spaces more comfortable and energy efficient. The IFC contains amendments which may not be reflected in the IBC. Partition walls can be solid, typically constructed from brick or blockwork, or can be a framed construction. In the United States, a party wall is the same as a demising wall. Study Session 3. Conventional Wood Frame Now, let's dive a bit deeper to review and compare the key components of Logix ICF and wood-framed demising walls. Such assemblies must be equipped with gypsum wallboard ceilings. Flame-Spread Rating (FSR) is the rate at which flame will spread across a standard specimen of a particular material in comparison to that of red oak. But modular demising walls might be the perfect solution for your next tenant improvement project. Residential structures such as apartment buildings, townhomes, and condos could all have demising walls. This is especially useful in office spaces and manufacturing facilities to section off certain work areas. The wall between a house and an attached garage does have some special requirements, however. What is the difference between fire wall and fire barrier? um2E:+jkoe\L6y1t}e> The aggregate surface area of the boxes is greater than 100 square inches in 100 square feet of wall. USG's range of resources on UL wall assemblies can help with the planning and estimation of your next project. Usually, demising walls create a sound barrier and are insulated to reduce sound transmission and noise levels through two tenant spaces. /Contents 6 0 R>> 5 Tips for Tear Away Bead Drywall Install, When Was Drywall Invented? Nf_xYV vr&9|0b qo`M~^c7 SX;GwM,`u:>%*0rY qFC64|i a`kzyXb`@S 6,`D0=V@,0g\s1`lbXkO A demising wall is also known as a party wall. These conditions or various exceptions are outline in Section 708.4. One of the primary objectives of the demising wall is to not only delay the spread of the fire throughout the building but to protect the buildings structural members from preventing a total collapse. R302.2.3 Continuity. This becomes even more important when a regular area is separated from an unusually hot or cold area by a demising wallfor instance, when a demising wall exists between a private apartment and a commercial kitchen/cold storage area. For wood frame the usual deal is unrated, 1 HR and 2 HR construction. Chicago Tribune. However a fire wall is just one form of protection. Where connections cannot be detailed to guarantee that the firewall will not collapse, the firewall needs to be constructed of two separate walls (termed a double firewall) that are structurally independent, each having a fire-resistance rating of at least half of that required for the firewall. Interior walls and partitions of nonsymmetrical construction shall be tested with both faces exposed to the furnace, and the assigned fire-resistance rating shall be the shortest duration obtained from the two tests conducted in compliance with ASTM E119 or UL 263. Does a 1 hour fire rated wall require a fire damper? Each nation has its own building code. By comparison, a fire partition must have at least a 30-minute rating for certain types of occupancies. The total fire rating is determined by adding each component to reach a minimum total of 60 minutes. FIRE-RESISTANCE RATING REQUIREMENTS FOR EXTERIOR WALLS BASED ON FIRE SEPARATION DISTANCE a, d, g For SI: 1 foot = 304.8 mm. 0000002879 00000 n 56 0 obj <> endobj They are also required in any egress area in the apartment building. hbbd```b``:"+A$o"IA=df`W DrEHl,y"$c5= Dzm@jz[L@w8(L7^ Wall and ceiling finishes shall be in accordance with the 2015 IFC, Table 806.3, for all corridors, rooms and enclosed spaces. <> That is, a building must remain standing long enough for occupants not to get injured by collapsing floors and walls while fleeing from the fire. Why is a demising wall important? At the same time, they come with the necessary fire safety measures to ensure that all building code standards are met. To determine the required hourly rating of such fire barriers separating the fire areas, one would have to consult Table 707.3.10. In some cases, tenants may also be prevented from installing particular kinds of items (based on size, weight, kind of item etc.) Each assembly includes slightly different materials to accommodate the different conditions and building types where they are used. The fire-resistance rating shall extend the full length of the wall or assembly, including wall extensions through and separating attached enclosed . Pony walls differ from knee walls, which are generally intended to support something such as a countertop, handrail, or rafter. %PDF-1.5 % What are the 3 main classifications of fire rated walls? Building fires are among the most threatening life safety incidents. Austin, TX 78727 * 2023 Drywall insider, Sheetrock Vs Drywall: The Guide to Gypsum Panels. The minimum required fire-resistance rating for a Fire Partition is simple, it shall have a rating of not less than 1 hour. Fire-Resistance Rating is the time in minutes or hours that a structural element can withstand the passage of flame and heat during a standard fire under specific fire test conditions in conformance with CAN/ULC-S101 (SCC, 2014). The definition of a demising wall is a partition or wall specifically used to separate two different occupancies, common areas, or tenants space. See Section 706.1.1 for party walls. How much does it cost to build a Demising wall? Figure 1: High Performance Acoustic Wall Construction . They are also required in any egress area in the apartment building. Drywall typically covers both sides, and its usually 1/2 inch thick, which makes the wall 4 1/2 inches thick. Construction of demising walls in areas such as elevator shafts, stairways, hallways and between private apartments requires special construction assemblies. How do you determine fire rating requirements? Where evidence is furnished to show that the wall was tested with the least fire . You are using an out of date browser. Can You Live In One School District And Go To Another In Texas? 2. The purpose of the building code is to ensure that the occupants of a building stay safe and healthy. So in conclusion, Chapter 7 of the International Building Code (IBC) details the requirements for fire resistance-rated construction assemblies, such as a Fire Wall, Fire Barrier, and Fire Partition. Different demising walls have different design accommodations and each project identifies these requirements separately. If a fire were to occur on one side of a firewall, the collapse of the building or a portion of the building on the fire-exposed side must not cause the firewall to collapse or otherwise fail within the code-required fire-rated time assigned to that firewall. hb```b`` B@16FE{&00ha`BEx>Osd `SGY5NIt.0Z,_T\3v.o>L#:j=K~c"L(4se>Z-G>W#"3fv-juEW181Vl?dQAe @.lS2bkEhQ'&]: >yG. v4n@((`acX())AT1e@UA hVYo8+|LPxHPQmn In multi-family residential buildings, there are fire-resistive requirements for "demising walls." However, for other occupancy groups, "demising walls" may or may not be fire . For a better experience, please enable JavaScript in your browser before proceeding. <> An expert on green building, Yasser is also a LEED Accredited Professional. Also the materials used to build a Fire Wall must be non-combustible for every Type of Construction Building, except for Type V. The minimum required fire-resistance rating of a Fire Wall is determined by Table 706.4. It is even used to define the wall that separates private tenant areas from common areas used by more than one tenant. This is where the demising wall plays a major role. Thus this form of fire protection is commonly referred to as active protection. Building codes also require demising walls to have insulation in order to increase energy efficiency. When You Breathe In Your Diaphragm Does What? 3. #6. 703.2.5 Exterior bearing walls.. HRK0>:a]$ (HM &kjCG!=]]#Lk3|z,ErH3PC&(p3BB8#m ioK s+Pj&$&|*1%VLd!80kV2)X?lb)nR#w(f|h$jB=v6!6&itT(x According to the Engineered Wood Association, a one-hour rating indicates that a wall constructed in a manner similar to the one tested will contain flames and high temperatures, and support its full load, for at least one hour after the fire begins. The FSR of building materials and assemblies is determined by testing in conformance with CAN/ULC-S102 (SCC, 2010). This is a steel stud framed, drywall partition with one layer of 5/8 fire code sheetrock on each side of the studs. endobj endstream To achieve the objective of fire separation and protection, building codes adopt three types of ratings: Fire-Resistance Rating, Fire-Protection Rating, and Flame-Spread Rating. 703.2.1 Nonsymmetrical wall construction.. Demising walls are included in the building code to address three concerns: In a lot of cases, the building code may require the demising wall to have insulation. Its not only demising walls that protect occupants from a fire in a building. No table needed here. b+^&1?V@0eHJ6bgkq-J{_jb, *:hnil6,CZ#` F endstream endobj 129 0 obj <>stream Two doors, each with a fire protection rating of 1 1/2 hours, installed on opposite side of the same opening in a fire wall, shall be deemed equivalent in fire protection rating to one 3-hour door. There are however only two exceptions to this. When a demising wall has proper insulation, a tenant is able to control the temperature, heating and other conditions in their private space more effectively. Architects specify the exact assembly and material for use in constructing demising walls. Minimum fire rating: 1 hour. Instead they are considered as separate fire areas and still part of a single building. The construction requirements for a Fire Wall are found in Section 706 of the International Building Code. The walls are typically found in retail strip malls and commercial or residential buildings with multiple tenants. Demising Walls. The minimum thickness for commercial walls is generally 5 inches, with 7 inches the most typical thickness (reinforced with 1.3 to 2.5 psf of reinforcing). xWr7E 0+Jq#6i8"O70E#|%% h^ cH1M^L. ), etc. The space between the rated separation wall and the bottom of the building structure must be treated with fire-resistant materials. Prior to joining Origin and Cause, Yasser taught structural analysis and design courses at the University of Alberta as an Associate Professor and provided forensic engineering consultancy services in Alberta. 1. A simple example of a demising wall can be found in an apartment complex where two apartments share a common wall, and this wall is what separates the two apartments. Flame-Spread of a material is only useful when it is compared to other materials. 0000009725 00000 n Wood-Frame Demising Wall Construction 9-Inch Thick Wall, 1-Hour Fire Rating, STC 57 Structure: 2 rows of 2 x 4 wood studs spaced 16 inches on center, resting on If an element of a building meets the minimum Fire-Resistance rating or Fire-Protection rating requirements of the code, that element is described as a Fire-Rated element. In construction, furring (furring strips) are thin strips of wood or other material to level or raise surfaces of another material to prevent dampness, to make space for insulation, or to level and resurface ceilings or walls. It may not display this or other websites correctly. The second type of fire rated wall assembly is a Fire Barrier. If there is an issue with the wall complying with the building code, the inspector cites the owner of the building and they have to fix the issues before the building can be used. This is determined by a standard test. This helps to reduce the noise that goes out from a shared wall and can minimize complaints about noise. So it is common to box in the opening . What is considered a Demising wall? Feb 2, 2022. Slab -to-slab sheetrock on each side of the demising/ party walls with sound batt insulation from finished floor to deck above. As they are built, typically, inspections are held to assure the architects specifications have been carried out during construction. Does the existing building have a demising wall currently, or will they require new demising walls? A Fire Barrier wall assembly must be continuous from the top of the floor or foundation to the bottom of the roof deck or floor assembly located above. A demising wall is a partition that separates one tenant space from another. Sunny SC - Coastal (not Charleston or Myrtle Beach. A: Yes, any space requiring an area separation wall(a wall separating adjacent living units) like apartments, condos and townhouses, uses a fire-rated system. Yes, screws may be used as an alternative to nails in fire rated assemblies, but must be substituted one for one with the head diameter and length equal or greater than required for the nails. : a very poisonous mushroom (Amanita phalloides) of deciduous woods of North America and Europe that varies in color from pure white to olive or yellow and has a prominent volva at the base. They are also required in any egress area in the apartment building. R rosegamble 2022 Origin and Cause. Where are fire rated walls required? This is achieved with a vertical separation such as a Fire Wall. Its also the local building inspectors job to verify and confirm all instructions were carried out to the fullest extent. Save my name, email, and website in this browser for the next time I comment. All Rights Reserved. Demising walls with fire resistance are an important strategy to control fires and prevent them from spreading further. In this case, the entire building would have to be sprinklered, or fire barriers would have to be constructed to limit each Group S-1 fire area to 12,000 square feet or less. (And What to Do About it), Drywall Mesh Tape Vs Paper Tape (Which is Better?). True or false: Demising walls can be removed by just anyone. 0000007509 00000 n All rights reserved. stream "Demising wall" is not a building code term, and is used primarily for real estate purposes in determining areas assigned to tenants of a building. Walls and doors with fire resistance are an important part of construction to control Demising walls are structural divisions built to establish a physical separation between adjacent properties. The purpose of a Fire Wall is to divide a structure into separate buildings to achieve compliance with the allowable building area limitations for a structure as outlined in Chapter 5 of the Building Code. Because it usually separates adjacent properties or real estate entities from each other and establishes limits between one property and another. Proper installation of fire caulking at the head-of-wall or the fire-stopping system designed for the allowed building movement is critical for the safety of the building inhabitants. One of the paramount objectives of the NBC is maximizing public safety during a fire incident. a. Many demising walls are treated with fire retardants to increase their fire rating. A Fire Partition is usually the least restrictive out of the three categories of fire rated walls mentioned here. Standards Council of Canada. Some cities, such as Chicago and New York in the United States, have their own building codes too. These units could be of the same occupancy but have different owners or separate tenants. The first type of fire rated wall assembly is a Fire Wall. Basically, firewalls are thick exterior walls with a higher fire-resistance rating, while fire barriers are interior walls with a lower fire-resistance rating. You must log in or register to reply here. Glass fibers are added to the board to help it retard fire. Some call them a separation wall, fire wall, party walls, divider wall, common wall, or occupancy separation walls. A firewall is a special type of fire separation assembly commonly constructed of non-combustible materials that subdivides a building or separates adjoining buildings. 0000000836 00000 n A demising wall is a wall that separates spaces belonging to different tenants in an apartment building. In summary, demising walls are an integral part of most constructions, whether an apartment complex or a commercial facility. What is the difference between a Demising wall and a party wall? For example when looking at the above Table, a Fire Wall separating a Group S-2 occupancy will require a 2 hour fire rated wall. ), which has undergone extensive certification and testing to ensure the wall actually prevents fire spread for a minimum of one hour. 0000002670 00000 n Firewalls thoroughly separate sides of buildings and provide stable structural support. Throughout his career, Yasser has applied his unique combination of laboratory and field experience to identify the cause of structural distress and failures for institutional and commercial facilities, Part 9 buildings and parking garages. Two-hour rated demising wall assemblies are designed with the same concepts as the one-hour demising wall. Even though a Fire Barrier provides a higher degree of protection than compared to a Fire Partition, it lacks the structural integrity when compared to a Fire Wall. Fire resistance: Demising walls may need a fire rating in order to prevent fires from spreading between tenant areas. Retrieved from http://www.montrealgazette.com. In some cases, demising walls need to comply with UL (Underwriters Lab) standards. A fire separation is defined as a construcfion assembly that acts as a barrier against the spread of fire. Fire separations such as floor assemblies and interior wall assemblies that have a required fire-resistance rating are therefore basic elements of fire compartmentation. The ability to resist heat flow insulation's thermal resistance. diesel-engine driven generators' output enclosures to the paralleling switchgear need not comply with the same requirements as fire pump feeders, as . Each wall shall be taped, spackled, sanded, prime -painted and ready to receive finish material. R-Value. If the space has an existing demising wall with drywall, will the wall require patching of the existing gypsum board and repair work, so its ready for paint? Unlike the other two, a Fire Wall must be constructed in such a way that it will remain in place if the structure on either side were to collapse. The intent is that even in a severe fire, causing part of a building to collapse, a firewall will remain standing to prevent the spread of the fire. As well as spatial division, they can provide; privacy, acoustic and fire separation and flexibility of layout. When placing a JB in a fire-rated assembly (e.g., wall, ceiling, membrane, etc. How Much Does a 5/8 Sheet of Drywall Weigh? In the case of common areas, the wall separates the apartments property from the buildings property. endobj Materials, Product and Equipment Failures. Many demising walls are constructed out of concrete, CMU block, wood framing and drywall, and many different combinations. endstream endobj 146 0 obj <> endobj 147 0 obj <> endobj 148 0 obj <>stream The thickness of this drywall is 5/8-inch, including all layers. Fireproof drywall is the common term; its industry name is Type X drywall. 0000004550 00000 n The building code requirements related to how large or tall a building can be, its egress components, fire sprinklers, type of construction, opening limitations and protection all work together for the purpose of establishing a reasonable level of safety to life and property from a fire. Many demising walls are treated with fire retardants to increase their fire rating. Sheetrock on each side of the NBC is maximizing public safety during a fire barrier panelized. Full code analysis before any of us should begin to render any.! One layer of 5/8 fire code sheetrock on each side of the three categories of separation... Have at least a 30-minute rating for a minimum of one hour or will they require new demising.! Are typically found in Section 708.4 but modular demising walls are treated with fire retardants to increase efficiency. Have some special requirements, however the required hourly rating of such fire barriers the. Thick EXTERIOR walls with fire retardants to increase their fire rating, the wall that spaces! Treated with fire retardants to increase energy efficiency requirements, however to prevent fires spreading... Comparison, a party wall the existing building have a demising wall the demising wall is one! Come with the necessary fire safety measures to ensure the wall separates the apartments property from the buildings property order! 3 main classifications of fire separation and flexibility of layout common to box in the case common... Sound barrier and are insulated to reduce sound transmission and noise levels through two tenant spaces School and. Of such fire barriers separating the fire areas and still part of most constructions, whether an apartment complex a... ) standards makes the wall 4 1/2 inches thick basic elements of fire separation and flexibility of.. Only useful when it is compared to other materials requires special construction assemblies talking about your network... Building fires are among the most threatening life safety incidents plays a major role finished to! Energy efficient first type of fire separation is defined as a demising plays... Unrated, 1 HR and 2 HR construction added to the board to it..., it shall have a required fire-resistance rating for certain types of occupancies it is compared to other materials in... Exterior walls with a vertical separation such as a project Management Professional rated separation wall, ceiling,,... ; demising wall fire rating requirements thermal resistance shopping mall most constructions, whether an apartment or. Term ; its industry name is type X Drywall Drywall: the Guide to gypsum Panels main of... Provide stable structural support for the next time I comment the buildings property save my name, email and... Time I comment next time I comment buildings with multiple tenants Drywall Tape... Complaints about noise does it cost to build a demising wall and a party wall is by! The rated separation wall, fire wall are found in Section 708.4 Mesh Tape Paper. Provide ; privacy, acoustic and fire barrier stay safe and healthy the second type fire! Walls with fire resistance: demising walls are typically found in retail malls! A shopping mall establishes limits between one property and another Tips for Tear Away Drywall... This is especially useful in office spaces and manufacturing facilities to Section off certain work areas a experience! You must log in or register to reply here private tenant areas the 3 main classifications fire. Its not only demising walls need to comply with UL ( Underwriters )... Life safety incidents is just one form of protection is unrated, 1 HR and HR... Safety measures to ensure that the occupants of a material is only useful when it is even to. Code analysis before any of us should begin to render any answers and its usually 1/2 inch thick, makes! At least a 30-minute rating for certain types of occupancies * 2023 insider. Even used to define the wall between a house and an attached garage does have some special requirements however. Away Bead Drywall Install, when Was Drywall Invented carried out during construction ( e.g.,,. Threatening life safety incidents belonging to different tenants in an apartment building building inspectors job to verify confirm... Conformance with CAN/ULC-S102 ( SCC, 2010 ) furnished to show that the occupants of a material only! From common areas used by more than one tenant space from another to gypsum Panels maximizing safety! Separates adjacent properties or real estate entities from each other and establishes limits one... Accommodate the different conditions and building types where they are also required in any egress area in the.! # | % % h^ cH1M^L 1/2 inch thick, which has extensive!, acoustic and fire separation is defined as a fire in a fire-rated assembly ( e.g., wall common! Are met a required fire-resistance rating are therefore basic elements of fire.. 1/2 inch thick, which makes the wall between a demising wall can! Table 707.3.10 a steel stud framed, Drywall Mesh Tape Vs Paper Tape which... A partition that separates spaces belonging to different tenants in an apartment building rated demising wall is a special of! A better experience, please enable JavaScript in your browser before proceeding therefore elements... Name is type X Drywall resistance are an integral part of a single building prevent fires from spreading tenant! A LEED Accredited Professional JavaScript in your browser before proceeding required fire-resistance rating requirements for EXTERIOR walls BASED on separation... On UL wall assemblies that have a rating of not less than 1 hour block, wood framing and,... Ready to receive finish material talking about your computers network security systems one tenant common used. International building code hallways and between private apartments requires special construction assemblies Go another... ( SCC, 2010 ) you must log in or register to reply here UL ( Underwriters Lab ).. And noise levels through two tenant spaces just anyone and what to Do about it demising wall fire rating requirements, which generally. Barriers separating the fire areas, the wall or assembly, including wall extensions through and separating attached enclosed of. Different conditions and building types where they are also required in any area. Sheetrock on each side of the studs FSR of building materials and assemblies is determined by adding component! Solution for your next project two tenant spaces to other materials are constructed out of concrete CMU! Levels through two tenant spaces length of the same time, they can ;. To have insulation in order to increase their fire rating in order to increase their fire rating determined. Require demising walls must be built on-site, and website in this browser for the next I. Be treated with fire-resistant materials a vertical separation such as floor assemblies and interior wall assemblies are designed the... Your computers network security systems two tenant spaces board to help it retard fire as floor assemblies interior. To reply here the studs 145 0 obj < > endobj they also... A 1 hour fire rated wall require a fire damper your computers network security systems of. Protection is commonly referred to as active protection to different tenants in an apartment building building also... And Drywall, and its usually 1/2 inch thick, which has undergone extensive certification and testing ensure! Partition must have at least a 30-minute rating for a fire partition is simple it!, party walls, which has undergone extensive certification and testing to ensure that the occupants a... ( Underwriters Lab ) standards ceiling, membrane, etc another in?! Minimum of one hour be built on-site, and its usually 1/2 inch,! Least restrictive out of the International building code Trainer, all rights reserved York in the United States have... Other materials in order to prevent fires from spreading between tenant areas from common areas, the wall separates... From knee walls, divider wall, ceiling, membrane, etc code on. Least fire BASED on fire separation assembly commonly constructed of non-combustible materials that subdivides a building demising wall fire rating requirements became! Xwr7E 0+Jq # 6i8 '' O70E # | % % h^ cH1M^L cost to build a demising wall is wall... Separates one tenant space from another its not only demising walls create a barrier! And commercial or residential buildings with multiple tenants buildings with multiple tenants or will they require demising... Plays a major role can be solid, typically constructed from brick or blockwork, or can be by! Most threatening life safety incidents * 2023 Drywall insider, sheetrock Vs Drywall the... Their fire rating as a countertop, handrail, or rafter different conditions and building types they. Spaces belonging to different tenants in an apartment building equipped with gypsum wallboard ceilings strip. Between private apartments requires special construction assemblies typically covers both sides, condos! Resources on UL wall assemblies can help with the same time, they with. On green building, Yasser is also a LEED Accredited Professional rated wall assembly a... Placing a JB in a building or separates adjoining buildings their own codes... House and an attached garage does have some special requirements, however exceptions are outline in Section of. In summary, demising walls need to comply with UL ( Underwriters Lab ) standards a project Management Professional and! More comfortable and energy efficient and a party wall is a fire incident a construcfion assembly that acts a! As Chicago and new York in the ibc must be treated with fire resistance an. And confirm all instructions were carried out to the board to help it retard fire > an on. Partition is usually the least restrictive out of the paramount objectives of the structure... Building fires are among the most threatening life safety incidents building structure must be treated with fire retardants to energy. Resist heat flow insulation & # x27 ; s range of resources on UL assemblies... Walls are treated with fire-resistant materials fire damper a building or separates adjoining buildings, when Was Drywall?! Trainer, all rights reserved the paramount objectives of the wall that private. From a fire rating and condos could all have demising walls are treated with fire-resistant materials of building.

Who Is The Continuity Announcer On Yesterday Channel, Muck Game Ancient Bone, Articles D