Pw48 pony wall framing chart. I have made a second copy for as built.

Pw48 pony wall framing chart This ClarkDietrich produ Since the metal studs aren’t ideal for hanging heavy items from I plan to frame a pony wall directly in front of the existing steel stud wall. Add the top plate. Pony Wall Lite 36" (LGPW36) Partial wall framing connection to floor ClarkDietrich Pony Wall Lite€is intended to support out-of-plane loading of cantilevered partial wall systems that are unsupported at the top track. Filters. The European Oak is 20mm thick, 120mm wide and various lengths. Out-of-plane loads are transferred to the floor system through the base-plate, which is welded to the Pony Wall Lite stud member. I however has this one wall left. Lite. A minimum of 3-1/2" stud member can be used. Framing Screws. In kitchens, pony walls are often installed behind a row of cabinets that extend perpendicularly from a wall. Nov 12, 2012 · I’m framing a new slab-on-grade home where the master shower is enclosed by a pair of 6-foot-tall pony walls that are connected to the flanking walls only at their ends. the floor structure. As an added benefit, the smaller steel plate makes Pony Wall Lite a more cost-effective offering for jobs large and small. Retain first option in "Minimum Base-Steel Thickness" Subparagraph below for ClarkDietrich's "LGPW" series. 21 44W/300W 1/2” thick hot rolled steel Partial wall framing connection to the floor. Jun 10, 2018 · I have a pony wall (split wall) that tI am using for a garage. Anchors wall to floor with 1/2"€anchors Product Submittal Sheet Technical Services: 888-437-3244, Engineering Services: 877-832-3206, Sales 800-543-7140 Base Connection 09. Engineered to meet or exceed building code requirements, they offer a reliable solution for enhancing pony wall attachment performance. Can't find a setting, what stupid mistake am I making this time. Subsequently, place a standard stud on each side of this adjusted stud, aligning them with the full-height wall. MATERIAL SPECIFICATIONS Pony Wall Heavy 48" (PW48) Partial wall framing connection to floor ClarkDietrich Pony Wall Heavy is intended to support out-of-plane loading of cantilevered partial wall systems that are unsupported at the top track. Jul 30, 2015 · This is probably due to my understanding (or not) of pony walls. NOTE on Manufacturing Location: This product is fabricated from two pieces of steel that are produced at different locations, so the manufacturing location listed here is the final "ship from . PW60 PONY WALL HEAVY 12 GA 60IN DOES NOT CURRENTLY HAVE LOAD DATA 6112 Write a Review Write a Review. Pony Wall is intended to support out-of-plane loading of cantilevered partial wall systems that are unsupported at the top track. For the pony-wall portion, you can emulate that with a custom slab or slabs and just envelope the left-hand portion of the glass shower wall (the lower custom slab to emulate the pony-wall and a second one to emulate the pony-wall cap. Install the Pony Wall inside the track or directly to the . R606. Pony walls are constructed the same way as any other walls and can be load-bearing. Submittal data - Pony Wall - Support out-of-plane loading - ASTM A36 A653 A1003 - BuildSite PARTIAL WALL FRAMING CONNECTION TO FLOOR PRODUCT DIMENSIONS LGPW24 = 23-5/8” tall with 2-3/8” wide x 5-1/2” long plate side of the Pony Wall (2) Anchors to Low Wall Support. Episode 7 quickly walks through the start of framing the pony walls, a sill detail and more. Partial wall framing connection to the floor. Aug 26, 2015 · Anyway, I'm stumped as to why in plan view, wall framing is displaying in some walls, but not others. Ive gotten most of it done besides one wall. Partial wall framing connection to the floor Pony Wall Heavy (12ga) INSTALLATION Install the Pony Wall inside the track or directly to the floor structure. Oct 11, 2023 · I have a model of a proposed house. Partial wall framing connection to the floor Pony Wall Lite (16ga) INSTALLATION Install the Pony Wall Lite inside the track or directly to the floor structure. Anchor to the floor as designed by . The wall is constructed from standard CLS framing timber surrounded with dry wall and a coat of plaster all around. Ideally, a pony wall should maybe allow us to maintain or control the walls within the pony assembly. bailey pony wall partial wall framing connection to floor product dimensions pw48 48 (2) 1 41 71 1,982 3,403 4 41 83 124 165 226 1,982 3,964 5,945 7,927 10,840 PARTIAL WALL FRAMING CONNECTION TO FLOOR PRODUCT DIMENSIONS PW24 = 23-3/4” tall with 3-3/8” wide x 8” long plate PW36 = 35-3/4” tall with 3-3/8” wide x 8” long plate PW48 = 47-3/4” tall with 3-3/8” wide x 8” long plate MATERIAL SPECIFICATIONS Plate Material: CSA: G40. Basically, you build three pony walls. . Because both partitions will be covered with ceramic tile, I’m wondering how I can frame a wall rigid enough to prevent cracks. A pony wall is a half-wall used to divide two spaces while still keeping connectivity, with the top part of the structure remaining open. In an open-concept floor plan, pony walls are used to divide and define a floor plan without blocking the line of sight. About Us; Careers; Contact Us; Where to Buy The ClarkDietrich Pony Wall is intended to support out-of-plane loading of cantilevered partial wall systems that are unsupported at the top track. This is a two-hour hands-on class at our workshop. Use the length of the wall for the top and bottom plates. And then I put that wall on a layer, um, I called it walls, normal pony wall or whatever you want to call it. This ClarkDietrich produ Pony Wall is a product in the Partial-Height Wall Supports category that meets ASTM A36, A653, A1003. 3. Product Dimensions LGPW24 = 23-5/8" tall with 2-3/8" wide x 5-1/2" long plate LGPW36 = 35-5/8" tall with 2-3/8" wide x 5-1/2" long plate LGPW48 = 47-5/8" tall with 2-3/8" wide x 5-1/2" long plate LGPW60 = 59-5/8" tall with 2-3/8 Int. we're calling this a "Picture frame wall" as it will have a recessed section in it to add s MidWall is designed to support loading in cantilevered partial wall systems that are unsupported at the top, like pony or knee walls. The pony wall will be framed with 2x4 ~ 6 feet high in front of the existing wall and capping the top with a shelf. Clark Dietrich (2) Part PW48. In this case, it is not load-bearing. A minimum of 2-1/2" stud member can be used. Oct 23, 2020 · Making them normal allows me to turn off the Wall, Normal layer to expose the framing, But Michael is right, it is with the Pony Wall. In the original model the exterior walls are pony and in the framing model showed studs of full height. Topped with a gorgeous solid wood surface from CS Woods, we can turn a humdrum room divider into a stunning bar top, kitchen island or counter, entry space, or so many other useful surfaces! After years of working on hundreds of walls, we have developed our favorite Heavy gauge 3-5/8" pony wall 220' long 5/8" drywall. For example, in a Cape-style house, short walls that support rafters are Free Revit Family Download for ClarkDietrich Pony Wall Lite/ Heavy. Attach the studs to both flanges of the Pony . They can be used anywhere in the home but are commonly found in the bathroom. PARTIAL WALL FRAMING CONNECTION TO FLOOR PRODUCT DIMENSIONS PW24 = 23-3/4” tall with 3-3/8” wide x 8” long plate PW36 = 35-3/4” tall with 3-3/8” wide x 8” long plate PW48 = 47-3/4” tall with 3-3/8” wide x 8” long plate MATERIAL SPECIFICATIONS Plate Material: CSA: G40. Free Revit Family Download for ClarkDietrich Pony Wall Lite/ Heavy. INSTALLATION PONY WALL LITE AND HEAVY. Wood structural panels, subfloor, roof and interior wall sheathing to framing and particleboard wall sheathing to framing [see Table R602. Partial wall framing connection to the floor INSTALLATION Install the Pony Wall inside the track or directly to the floor structure. Dec 14, 2023 · In bathrooms, pony walls are often used as a means of privacy surrounding a toilet or shower. I have made a second copy for as built. MATERIAL SPECIFICATIONS Oct 11, 2024 · To ensure proper alignment and support, rotate the full-length stud 90 degrees within the standard wall to match the orientation of the pony wall at the point where it begins. We will supply everything you need, but you should wear clothes you don't mind getting messy. EOR. ClarkDietrich 36″ Pony Dec 2, 2018 · One is to use a glass shower wall for the glass wall portion, that makes it easy to then add a glass shower door. 5 mm) thick, except that the thickness of the bed joint of the starting course placed over foundations shall be not less than 1 / 4 inch (6. I'm trying to get a wall to display as a pony wall, with the change of wall types at 2250mm above floor level. Jul 23, 2024 · Easy to install, ClarkDietrich pony wall supports are compatible with both wood and steel framing systems. A minimum of 2-1/2" stud member can be used with the Pony Wall Lite and a minimum of 3-1/2" stud member can be used with the Pony Wall Heavy. Gather the materials needed to create the wall. The lower wall is straw bale (450mm thick) The upper wall is stud frame, with corrugated metal cladding (90mm thick). CD RipTRAK Order Form. Align the bottom plate. The end of each braced wall panel closest to the end of the braced wall line shall have an 1,800 lb (8 kN) hold-down device fastened to the stud at the edge of the braced wall panel closest to the corner and to the foundation or framing below as shown in End Condition 5 of Figure R602. Pony Wall from ClarkDietrich’s Clip ExpressSM service is a load-tested solution for walls 24” to 10’ tha Dec 9, 2022 · Drywall Framing 9-23 Sound Rated Systems 24-28 Head-of-Wall Systems 29-32 BlazeFrame Tracks 33-36 Door and Window Framing 37-39 Bridging, Bracing and Backing 40-47 Shaftwall 48-49 Area Separation Wall 50-51 Curtain Wall Framing 52-54 Floor Framing 55-60 Index 61-62 Patents/Trademarks/Warranty 62 Code Approvals 63 Free Revit Family Download for ClarkDietrich Pony Wall Lite/ Heavy. Industry. There are two main types defined by their structural purpose: Load-Bearing Pony Walls. Pony Wall Lite (16ga) Catalog Page Specifying the Optimal Head of Wall Framing Assembly. The most versatile wall in the house is a PONY WALL. MATERIAL SPECIFICATIONS Pony Wall Lite 48" (LGPW48) Partial wall framing connection to floor ClarkDietrich Pony Wall Lite€is intended to support out-of-plane loading of cantilevered partial wall systems that are unsupported at the top track. A minimum of 2-1/2" stud member can be used with the Pony Wall Lite and a minimum of 3-1/2" stud member can be used with the Free Revit Family Download for ClarkDietrich Pony Wall Lite/ Heavy. Basis-of-Design Product: Subject to compliance with requirements, provide ClarkDietrich; Pony Wall [LGPW24] [LGPW36] [LGPW48] [LGPW60] [PW24] [PW36] [PW48] or comparable product by one of the following current members of the SFIA: . Many pony walls are built out of drywall and are not designed to carry the weight of the house. This product and others from the same family offer a very robust way to Pony Wall Heavy 48" (PW48) Partial wall framing connection to floor ClarkDietrich Pony Wall Heavy€is intended to support out-of-plane loading of cantilevered partial wall systems that are unsupported at the top track. Because it is unsupported at the top, pony walls/knee walls need very strong anchors in the floor to hold them vertical. Out-of-plane loads are transferred to the floor system through the base-plate, which is welded to the Pony Wall Heavy stud member. 21 44W/300W 1/2” thick hot rolled steel ICC Digital Codes is the largest provider of model codes, custom codes and standards used worldwide to construct safe, sustainable, affordable and resilient structures. Install the Pony Wall inside the track or directly to the floor structure. Despite their short height, pony walls […] The ClarkDietrich Pony Wall is intended to support out-of-plane loading of cantilevered partial wall systems that are unsupported at the top track. Common examples include: The pony class walls will be a flexible construction object used in each home cabin. Wall Limiting Heights; Int. You set the first one on the floor and level it up and screw it to the wall behind. Reduce the risk of callbacks in your construction projects. Attach the studs to both flanges of the Pony Wall. The roof will be 12/12 with 2x12s and will be built with a 36' 5 1/8" x 16" glulam for the roof beam. You will learn:Basic carpentry tools and materials you Aug 28, 2024 · Pony walls come in various forms, each serving a specific purpose. 1 Bed and head joints. 22. This ClarkDietrich produ A pony wall also known as a knee wall is a short wall anywhere from three to five feet tall and usually unsupported at the top. So I I'm putting that on a different layer than all of the other walls, so I can turn that wall on and off independently by the walls. Open side menu -ClarkDietrich 48" Pony Wall Lite (16 Gauge) LGPW48 quantity + Add to cart SKU: LGPW48 Category: Steel Clips Tags: 16 Gauge , ClarkDietrich , pony wall lite , stud member Low Wall Support. The top portion was drywalled by the constructor. In other cases, a pony wall may be a structural wall and is designed to carry the weight of the house. Attach the studs to both flanges of the Pony Wall Lite. Wall Height/Fire/STC; Int. Basically I have the wall type set for a split wall with the lower split being a concrete stem wall for 5 1/2" and then I do a traditional 2x6 wall for the other part of the split. Product Dimensions: PW48 = 47-3/4" tall with 3-3/8" wide x 8" long plate Pony Wall Support. 12. The wall will be a feature in this room, with recessed picture-frame panels and picture frame i Dec 2, 2024 · Pony walls, also known as half walls, short walls, knee walls, or cripple walls, are low-height partition walls often used to divide large open spaces. Dec 8, 2021 · And so, when you frame that wall and put the framing on it, and then I click, okay. “At ClarkDietrich, our goal is to exceed expectations for every application--whether that be the Im framing/insulating my basement. BAILEY Pony Wall may be used in place of standard framing members, or in conjunction with them to frame the wall. 20 Out-of-plane loads are transferred to the floor system through the base-plate, which is welded to the Pony Wall stud member. Pony Wall Heavy 36" (PW36) Partial wall framing connection to floor ClarkDietrich Pony Wall Heavy is intended to support out-of-plane loading of cantilevered partial wall systems that are unsupported at the top track. Find PW48 forecasts and the bond market news. MATERIAL SPECIFICATIONS Plate Material: ASTM A36 1/2" thick hot rolled steel Mar 5, 2020 · Partial wall framing connection to the floor Pony Wall Heavy (12ga) INSTALLATION Install the Pony Wall inside the track or directly to the floor structure. Load-bearing pony walls, as the name suggests, are built to carry loads within a building. Our design has a short pony wall about 3 1/2 feet long and 4 1/2 feet high. Dec 1, 2012 · Putting in a bathroom in my basement. Concrete, 2 inch xps, framing, bat insulation then will do drywall. Install end studs. It will attach to the concrete floor along the base and to a framed load bearing wall along one side. com Facebook ICC Digital Codes is the largest provider of model codes, custom codes and standards used worldwide to construct safe, sustainable, affordable and resilient structures. 4 Simplified Wall Bracing Minimum Number of Bracing Units on Each Side of the Circumscribed Rectangle -footnotes a. Anchor to the floor as designed by EOR. I just want 1 bottom and 2 top plates, continuous studs with the siding change at the specified pony wall height. Apr 13, 2024 · Shower Pony Wall Design. Out-of-plane loads are transferred to the floor system through the base-plate, which is welded to the Pony Wall stud member. 23 3/4 in x 12 Gauge 97 mil ClarkDietrich Pony Wall Heavy Partial walls are a pain, but there’s an easier way. 2. Then I created a new floor mirroring the 1st and in the Structure dbx I made the floor 24" tall and zeroed the floor system (framing & finished materials) as well as the ceiling drywall. Plate Material: ClarkDietrich 48″ Pony Wall Heavy (12 Gauge) PW48 $ 79. Then you set the second pony wall at the back and screw it to the bottom one. Sales Forms. 10. SFIA; BuildSteel; AWCI; Often-Used Links. Types of Pony Walls. Measure and cut the materials. These walls do not extend all the way to the ceiling, allowing for separation while maintaining an open and airy feel within a room. The pony walls can be looked at in each place of the residence, from the main gate to the washroom to the living room, separating prominent areas into shorter ones and caring clear, fresh air and a wall commonly available as save siding at the upper of the stairway. ISDCF has worked with Eikon and others* to create open framing charts for the digital cinema industry. Wall. Floor is concrete. Base connection between the BAILEY Pony Wall and support structure is designed by others. Follow these steps to create a wall frame: Get the measurements for your wall. floor structure. May 15, 2020 · Partial wall framing connection to the floor Pony Wall Lite (16ga) INSTALLATION Install the Pony Wall Lite inside the track or directly to the floor structure. b. Kamco Stocks PW24 & PW48 The ClarkDietrich Pony Wall support system is designed to resist out-of-plane loading of cantilevered partial walls (pony walls or knee walls) that lack upper support. When I go to doing any sort of framing view though I cannot find a way to show the concrete stem wall. 20. 3(3) for wood structural panel exterior wall sheathing to wall framing] 30: 3 / 8" — 1 / 2 " 6d common (2" × 0. 3. Mar 5, 2020 · Partial wall framing connection to the floor Pony Wall Lite (16ga) INSTALLATION Install the Pony Wall Lite inside the track or directly to the floor structure. Measure and mark the stud locations on the top and bottom plates. Pony Wall Lite 60" (LGPW60) Partial wall framing connection to floor ClarkDietrich Pony Wall Lite is intended to support out-of-plane loading of cantilevered partial wall systems that are unsupported at the top track. Ive been doing. The ClarkDietrich Pony Wall support system is designed to resist out-of-plane loading of cantilevered partial walls (pony walls or knee walls) that lack upper support. Hex Head; Modified Truss Head; Pan Head; Bolts; Wall Anchors; Washers; ClarkDietrich 48″ Pony Wall Heavy (12 Gauge) PW48 $ 79. NEW YEAR, NEW SKILL 🛠️ Master 8 Essential The ClarkDietrich Pony Wall support system is designed to resist out-of-plane loading of cantilevered partial walls (pony walls or knee walls) that lack upper support. Pony Wall Heavy 36 PW36 Partial wall framing connection to floor ClarkDietrich Pony Wall Heavyis intended to support out-of-plane loading of cantilevered partial wall systems that are. Mar 5, 2008 · I will frame the 2x6 wall to 12' and this will include a 3' knee or pony wall at loft & balcony to provide more usable space. Install the Pony Wall Lite inside the track or directly to . There are 6 versions of the charts: (selecting any of them will connect to a zip file of the DCP) 2K scope – 2D; 2K flat – 2D [2K flat/left eye, 2K flat/right eye] – 3D [2K scope/left eye, 2K scope/right eye] – 3D; 4K scope – 2D Apr 15, 2024 · Even if you’re not actually framing a wall, knowing how a wall is assembled is important information to have so you can get the results you want. Interpolation shall not be permitted. Load-bearing pony walls: Load-bearing pony walls support the weight of floors, roofs, or other structural elements above them. However, CA frames this as two stacked walls each with their own top and bottom plates. In the as built the pony wall is now showing separate upper and lower wall framing. Brand. Out-of-plane loads are transferred to the floor system through the base-plate, which is welded to the BAILEY Pony Wall member. (See attached image and attached plan file). Pony Wall Lite (16ga) INSTALLATION. 4 mm) and not more than 3 / 4 inch (19. Follow along as I build the pony wall for our new kitchen island. Unless otherwise required or indicated on the project drawings, head and bed joints shall be 3 / 8 inch (9. Framing: How to Frame Full Walls, Pony Walls, Boxes, & Knee Walls IDK what they’re measuring here, but it’s not 16" on center. Install the Pony Wall (lite and heavy) inside the track or directly to the floor structure. MATERIAL SPECIFICATIONS Jul 15, 2020 · In addition, Pony Wall Lite is available in 24”, 36”, 48” and 60” sizes to accommodate various project dimensions. Plate Material: Oct 21, 2016 · Taking Sherry's lead, I created a 4-sided model with 2x6 framed walls, 109-1/8" tall. 1 mm). 4. This adjustment allows for complete contact. Understanding these types can help you choose the right option for your space. Anyway, I'm struggling because there is a door frame on the one side of the wall that impedes the trim and top board going flush to the wall. 2018 IRC Simplified Wall Bracing Provisions 35 Minimum Number of Bracing Units on Each Side of the Circumscribed Rectangle Table R602. Find submittal-ready datasheets, SDS, specs, ICC-ES reports. The side walls are 2x6 with 7/16 sheathing and board & batten siding. I'm ballooned through the floor with the "Stop at floor below" structure option if this makes a difference. Pony Wall Lite 60" (LGPW60) Partial wall framing connection to floor ClarkDietrich Pony Wall Lite€is intended to support out-of-plane loading of cantilevered partial wall systems that are unsupported at the top track. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright I have purchased made to measure solid European Oak wood wall caps that I want to attach to the top of a pony-wall (half-wall) similar to picture attached. I'm trying to understand how to shape the trim/top plate so that it looks decent and even while only being able to butt up against the frame on this side. MATERIAL SPECIFICATIONS ©2024 Clarkwestern Dietrich Building Systems LLC. Pony Wall Heavy 24" (PW24) Partial wall framing connection to floor ClarkDietrich Pony Wall Heavy is intended to support out-of-plane loading of cantilevered partial wall systems that are unsupported at the top track. Pony Wall Heavy (12ga) INSTALLATION. 16 (Non-Structural Metal Framing) Pony Wall The technical content of this literature is effective 04/04/24 and supersedes all previous information. 48 in ClarkDietrich Pony Wall Part PW24. Download BIM Content, Cut Sheets, Specs, Installation Guides and More in the Cloud with BIMsmith Market. Typically they transfer roof and ceiling loads down through the wall framing into the foundation. Pony Wall Heavy (12ga) Catalog Page. 5. May 3, 2020 - Description Pony Wall Lite Out-of-plane loads are transferred to the floor system through the base-plate, which is welded to the Pony Wall stud member. Pony Wall from ClarkDietrich’s Clip ExpressSM service is a load-tested solution for walls 24” to 10’ tha Dec 9, 2022 · Drywall Framing 9-23 Sound Rated Systems 24-28 Head-of-Wall Systems 29-32 BlazeFrame Tracks 33-36 Door and Window Framing 37-39 Bridging, Bracing and Backing 40-47 Shaftwall 48-49 Area Separation Wall 50-51 Curtain Wall Framing 52-54 Floor Framing 55-60 Index 61-62 Patents/Trademarks/Warranty 62 Code Approvals 63 PARTIAL WALL FRAMING CONNECTION TO FLOOR PRODUCT DIMENSIONS LGPW24 = 23-5/8” tall with 2-3/8” wide x 5-1/2” long plate side of the Pony Wall (2) Anchors to Nov 23, 2022 · PW48 PONY WALL HEAVY 12 GA 48IN. MATERIAL SPECIFICATIONS. I want to keep the foundation and footings on the walls. 0:45 All right. 1-888-474-4876 support@steelnetwork. These short walls, typically around 3 feet in height, require strong anchoring to remain upright due to their unsupported tops. 113") nail (subfloor, wall) i 8d common (2 1 / 2" × 0. It is the short cement wall that leads into my crawl space that you can see in the picture. 131") nail (roof) 6: 12 f: 31: 19 / 32 About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Pony Wall PW24 PW36 PW48 Mid Wall Pony Wall Bridle Hanger CDBV CDMB StiffClip JH BH, S/BA (via Simpson) S/LBV, S/B, S/BA Hangers Floor Joist Blocking 800JB 12, 16, 14 Pony Wall Lite 60" (LGPW60) Partial wall framing connection to floor ClarkDietrich Pony Wall Lite€is intended to support out-of-plane loading of cantilevered partial wall systems that are unsupported at the top track. Then you set the third pony wall on the front, so this gives you a toekick and the front of your workbench. These are all pony walls, but why do some display and others Framing a half wall in an entry way for an open foyer effect. 7. Attach the studs to both flanges of the Pony Wall . Ceiling Limiting Spans; Structural Stud (Interior & Exterior Framing) Interior Shaftwall (ClarkDietrich CT-Stud Shaftwall System) Opening Framing Typically, a pony wall is a short, decorative wall installed between two rooms, or framing the edge of a room. Framed all 4 walls and locked their framing. View live HSBC BANK NTS 24/05/2029 chart to track the latest bond price changes. Cripple walls and wood-framed basement walls = first Oct 1, 2023 · I thought a pony wall would be perfect. Hex Head; Modified Truss Head; Pan Head; Bolts; Wall Anchors ClarkDietrich 48″ Pony Wall Heavy (12 Gauge) PW48 $ 79. The framing does display in a perspective framing overview and in the wall framing details that open when I click on the individual walls. klplb cld mzqeyk zrmdtn pqhw xehj dbki gfvzthw pjihqis efqbt