Is there a table that gives the gauge required for concrete filled metal pan stair treads. I've seen gauges from 16ga to 10ga used for typical spans of about 3'6 max, with 1-1/2 concrete treads. Something like: Rather than think climate change and the corona virus as science, think of it as the wrath of God. Feel any better? found it Often the concrete finishers musthoist the concrete up with buckets or tubs to each pan location. Since aluminum treads are more than 50% lighter than steel treads, they can be a good option when weight is a factor, such as with roof stairs or stairs that need to be repositioned from time to time. WebConcrete-filled Metal Pan Stairs: It carries its own individual look and feel, promising to be more comfortable and workable, especially where industries are involved. To view these documents click the link, it will open in a new window (requires Adobe Acrobat Reader) to save these files from the new window click The publications listed below form a part of this specification to the extent referenced. Occupational Safety and Health Administration (OSHA) requires a stair to areas where a mechanic must go up or down different levels to service equipment. Many wood species can be used for interior stair treads including red oak, cherry, maple, walnut and engineered wood. Thanks again for all you do and we look forward to future business with you., Eberl Iron recently fabricated some stair pans for us on a project we had in Woods Hole, Mass. Copyright 1998-2023 engineering.com, Inc. All rights reserved.Unauthorized reproduction or linking forbidden without expressed written permission. Different Types of Stair Treads & Stair Nosing Detail Design Aluminum treads are frequently cast into shape. The pros and cons should be considered when selecting a tread material, as well as the type of tread to use. Aluminum treads are more prone to scratches and dents than steel treads. Pan Treads - S143 - Stair Bottom Connection to Structural Deck Edge w. Extended Tread, 14GA. Epoxy-resin-filled stair treads. Glass treads are water resistant and will not rot over time like wood treads. Show Platform and tread type ad risers when required.2. can this be minimised? industry, shipped fast, Nationwide! Typically, 1.5" of concrete is poured into each stair pan individually. 1. Non slip stair treads are commonly used on outdoor stairs to increase traction and reduce the potential for accidents. If you are putting pavers/tiles on it, include these loads. Another, more common way if you have enough information is to simply calculate the weight of the assembly based on its constituent parts. Metal pan stair treads have a lip that turns up to contain the poured concrete. Wall handrails are provided under Section, METAL FABRICATIONS. I've often found that the stringers are governed by constructability concerns. Provide standard terminal fittings at ends of post and rails. Other than the live load of 100psf as specified in code , how much additional dead / super imposed dead load do staircases need to be designed for ? The shop's ability to maintain proper tread angles and height is going to be your biggest concern from my own experience with 27*-35* being a likely range along or among different spans on 11" depth treads. If you're going for structural welds in that location, all the power to you. Like glass, tile treads are mostly found in commercial buildings and private homes. Because of its light weight and corrosion resistance, aluminum is the preferred material for roof stairs, ship stairs on boats, other marine applications, and chemical environments. The stair tread is the horizontal part of a staircase that you step on when climbing up or down the stairs. Standard Color: Black Other colors available: Light Green, Light Brown, Light WebConcrete Stair Treads found in: Concrete Step Tread w/Bolts. HVr8+pS+ VTRyK=9$$!KH)[lb=b4Xlf13`;/4+u8[ag>vY+7K67 ^"}4 [Rl7WaS[il39 Unlike other materials, stones may be more suitable for constructing stairs in a hilly and rough terrain. Is there an issue with 1/8" fillet welding of 14ga material? 2. That's about it for any dead load so far as I'm aware. Field finishes cannot be applied over the abrasive epoxy. Tile can be slippery so its important to keep the treads dry. The steel used in staircases can be primed and painted to match the design of the building; have a powder coat finish; or be galvanized. A. D. The National Association of Architectural Metal Manufactures (NAAMM) Manuals: Metal Bar Gratings (ANSI/NAAMM MBG 531-93)2nd Edition-1985. These molding Once complete your screen will refresh automatically. A. STANDARD STRINGERS Plate 1/410 Plate 1/412 Plate 3/810 Plate 3/812 MC10x8.4 MC12x10.6 Stair nosing is available in a variety of materials including rubber, aluminum and wood. Closed riser stairs with concrete filled treads and platforms.2. DETAILING STAIRS - AISC Provide standard terminal castings where fastened to newel.D. Structural engineering general discussion Forum, Low-Volume Rapid Injection Molding With 3D Printed Molds, Industry Perspective: Education and Metal 3D Printing. Provide abrasive nosing on treads and edge of platforms at head of stairs.5. I normally don't design stair cases for any superimposed dead. Especially when used outdoors, concrete may also crack over time but use of a sealer can help to protect the treads. Steel Plate: ASTM A1011.H. WebMetal Stairs CAD Drawings Free Architectural CAD drawings and blocks for download in dwg or pdf formats for use with AutoCAD and other 2D and 3D design software. Not an efficient installation process. 12" x 42" x 2-1/4"., Stair Pan for Concrete - 14 Gauge. Sheet Steel: ASTM A1008.D. Metal pan stair treads with poured concrete are very popular for commercial egress stairs. Stainless steel is a type of steel alloy with chromium and / or nickel added to help prevent corrosion and rusting, and add heat resistance to the material. Grind exposed welds smooth and true to contour of welded member.4. Subject to damage during construction and requires bolt-on temporary protective coverings, which must have bolt holes filled in with epoxy. Stair Systems Catalog - Stair Components & Systems In recent years, glass has become a popular material for stair treads. Already a member? Usually Dead load need to be calculate based on concrete thickness on pan and other components. Stair Components and Systems stairpans are available in standard shapes and sizes and are also customizable to your dimensions upon request. An abrasive nosing is very popular for outdoor egress stairs. They are typically not found in industrial settings. That doesn't seem like a lot until you calculate for a typical 10-story building with 500 stair pans, and now you have 40,000 lbs of concrete to pour! With decades of experience manufacturing steel stairpans for the commercial building industry, you can trust that Eberl stairpans are manufactured out of only the highest quality sheet and plate steel, and are formed with the tightest of tolerances, improving efficiency of installation for commercial steel stair fabricators. 3" and 4" widths 1/4" thick. Depends entirely on the situation. Pan Treads - S145 - Stair Bottom Connection to Structural Deck Edge w. Haunched Tread, 14GA. "https://" : "http://" ); (function(){var s=document.createElement('script');s.src=bbbprotocol + 'seal-dallas.bbb.org' + unescape('%2Flogo%2Fking-architectural-metals-90024480.js');s.type='text/javascript';s.async=true;var st=document.getElementsByTagName('script');st=st[st.length-1];var pt=st.parentNode;})(); Copyright 2016 King Architectural Metals | ALL RIGHTS RESERVED | Dallas, TX 75228 | 800.542.2379. Types: 1. S100: Concrete Filled; prefabrication and the installation of commercial steel stair systems. Great Customer Service and Quality of Work! Even with 1.5" concrete , it goes up to 75psf. Looking at 1-1/2@12, or a couple of 1" at discreet locations. LED lights can also be added to provide a dramatic lighting effect. Even with fabricated glass, accidents can still happen through spills or dropping heavy objects. Metal pan stair treads are treads formed into a pan to hold the concrete in place. Limestone, which is an off-white color, is also commonly used. We are a Nationwide manufacturer of standard and custom components for commercial stair systems, including, metal stairpans, perforated metal stairpans, stair treads, landing pans, carrier angles and more. Pan Treads - S132 - Stair w/ Extended Tread Top Connection to Concrete Slab Edge, 14GA. Products: Safe-T abrasive coating can be used in commercial building interiors and exterior applications, such as apartment buildings and parking garages. Consider that each stair tread contains 1.5" of concrete. Full round nosing features a continuous curve on the front edge of the stair to provide a smooth look and feel. 14GA. -uqm,$ &gjv.{g}p'a-`xhs[cAdx[NmY^;UIV4pV&XX!}jlX7V/(C83.iB5ZZs`h*V| jBa+ez?\T%xzW`lLC 1d[. Use not less than two railings on industrial stairs. Discover how this hybrid manufacturing process enables on-demand mold fabrication to quickly produce small batches of thermoplastic parts. 1.5@12 wrapping the corners should do. Because of the unusual design and steepness, it can take practice to learn how to climb alternating tread stairs. 2020 Lapeyre Stair Inc. All rights reserved. Provide hangers and struts required to support the loads imposed.B. Shop Prime Painting: Prepare surface and apply primer as specified for ferrous metals in Section, PAINTING. WebOur Type 2 Metal Stairpans are perfect for use in commercial steel stair construction to hold poured concrete. Pan Treads - S123 - Stair w/ Extended Tread Bottom Connection to Steel Landing, 14GA. Pan Treads - S142 - Stair Top Connection to Structural Deck Edge w. Extended Tread, 14GA. Part two describes the finished product including material and design form. Design industrial stair or open riser stairs for maximum angle 50 degrees or less to horizontal when used to service equipment. Steel tube handrails attached to walls adjacent to metal stairs. B. Feel any better? This specification should help in putting together your own specification. A. Fabricate railings, including handrails, from steel pipe with flush. Square nosing is a popular for both modern and contemporary stairs. Feel any better? Concrete fill for treads and platforms: Section 03300, CAST-IN-PLACE CONCRETE.B. CONCRETE FILLED Live load and total dead load. Some sort of slip protection, like diamond plating or an abrasive coating, should be used. They resist corrosion, rot and damage from pests. Close this window and log in. You can refer NAAMM Manual 5th edition and AISC Design guide 34 for more details on staircase design. CONCRETE FILLED Rays Stairs We have received your request and will respond promptly. Request A quote description more info downloads Reviews Design Grating treads in accordance with NAAMM Metal Bar Grating Manual.D. For outdoor applications, bar grate or serrated treads are an ideal choice. Diamond Plate Stair Treads are commonly used to build stairs that do not require a concrete fill but need an anti-slip surface for safe foot traffic.. Also known as checker plate, our diamond plate stair treads are manufactured from high quality diamond plate steel and can be bent and cut into a variety of configurations and lengths to meet your project needs.. By downloading our FREE catalog, you'll gain instant access to SCS product information, product specifications, product finishes, metal fabrication capacities and more!. C. Remove sharp edges and burrs.D. Stair components are designed to sit perfectly between your The addition of nosing in a contrasting color provides an extra measure of safety by helping users visually identify the presence of a step edge. Provide toe plates on platforms where shown. So, the kind of stair tread you choose will have a big impact on the overall look of the staircase. Install stairs plumb, level and true to line.E. Part three covers the execution including installation and field preparation. 3. Iron Castings: ASTM A48, Class 30.I. Pan Treads - S100 - Typical Stair Layout, 14GA. Tile is composed of naturally occurring materials with many options that are made from recycled materials. for many decades. Stair Components & Systems Pan Treads - S133 - Stair w/ Extended Tread Bottom Connection to Concrete Slab Edge, 14GA. Standard Stringers: a. Glass treads do not deteriorate over time like wood treads do and are not as expensive to maintain. These space saving stairs are commonly seen in residential, industrial and commercial applications. Turn floor plate down to form nosing on treads and edge of platform at head of stairs.2. Lapeyre Stair wasfounded on a culture of innovation, and we remain committed to continuously improving standards for our industry. The steel pan treads are fabricated and attached to the stair stringers in the manufacturer's or fabricator's facility. Wall handrails and railings for other than steel stairs: Section 05500, METAL FABRICATIONS.C. I think this increases the chances of buckling or warping from welding due to the lack of stiffness on the face of the riser. Each will provide a different type of visual appeal. 11" x 36" x 2". They make safe and durable walkways that provide strong support. Secure brackets, posts and rails to steel by welds, and to masonry or concrete with expansion sleeves and bolts, except secure posts at concrete by setting in sleeves filled with commercial non-shrink grout.C. Steel Decking: Form from zinc coated steel conforming to ASTM A446, with properties conforming to AISI Specification for the Design of Cold-Formed Steel Structural Members.G. Pencil nosing has no sharp edges and creates a streamlined look down the length of the staircase. Both can be All Rights Reserved |. How many types of stair treadsare there? The weight of permanent construction materials. Non slip stair treads are commonly used on outdoor stairs to increase traction and reduce the potential for accidents. One of my favourite engineering sayings is very much applicable here - it is what it is. direction of travel when climbing up and down the stairs. 3 inches x 2 inches x 3/16 inches Tread Angle Mounting Bracket for Concrete Step. Concrete Filled Metal Pan Stairs | Products & Suppliers | GlobalSpec Pan Treads - S134 - Stair w/ Haunched Tread Top Connection to Concrete Slab Edge, 14GA. A. WebGet informative details about all of our custom fabricated metal and steel stair products, including: stairpans, stair treads, landing pans, carrier angles, nosings, infill panels, u-edging hems and more! WebIron is a world-class metal in creating beautiful stairs and railings that are both elegant and functional. Stone stair treads come in a variety of options. Even though this stair nosing detail is named square, it usually has slightly rounded edges. Like steel treads, aluminum treads are used in a variety of industrial, commercial and residential applications. Bracket is 8" long and 6-1/4" from center hole to center hole. Set stairs and other members in position and secure to structure as shown.D. Field pouring concrete stair treads is costly, messy, and time-consuming at the job site. Pan Treads - S125 - Stair w/ Haunched Tread Bottom Connection to Steel Landing, 14GA. Pan Treads - S111 - Stair Connection to Concrete Slab (Embed), 14GA. 8. Build a Better Stair with Products In Square. Most guys will skip any material prep and just want to burn through what ever millscale or galvanizing is there if any so it wont hurt anything or cause any additional warpage. Free Architectural CAD drawings and blocks for download in dwg or pdf Pan Treads - S165 - Stair w/ Haunched Tread Bottom Connection to Concrete Slab Edge, 14GA. Examine how the principles of DfAM upend many of the long-standing rules around manufacturability - allowing engineers and designers to place a parts function at the center of their design considerations. However, they can be covered with premium materials such as stone or tile to create a luxurious look. What are the types of stair nosing details and design? Concrete filled metal pan stairs are a tread system commonly used in steel stairs for commercial and residential buildings. The concrete filled tread system consists of a metal pan which is then filled with concrete at the construction jobsite. Typically 1.5" concrete is field-poured into each stair pan individually like the detail and photo below. Do not leave exposed fasteners on top of treads or platform surfaces.4. Learn methods and guidelines for using stereolithography (SLA) 3D printed molds in the injection molding process to lower costs and lead time. Occupational Safety and Health Administration These can be wood, foam, or any other durable material. 12 x 39-1/2" x 2-1/4". Copyright 1998-2023 engineering.com, Inc. All rights reserved.Unauthorized reproduction or linking forbidden without expressed written permission. and we remain committed to continuously improving standards for our industry. A. If used outside, stone treads compliment the natural adjacent landscape. Photo-luminescent (glow-in-the-dark) nosing, Our conclusion on the different nosing & stair treads types. But there are also several different types of stair treads. Consider open riser stairs with grate treads on exterior service areas. Two important components of staircase design are the stair treads and stair tread nosing. When installation is complete, clean field welds and surrounding areas to bright metal, and coat with same primer paint used for shop priming.B. Many different types of wood can be used for staircase treads. Alternating tread stairs provide additional safety and comfort to the user. 2. The pans are built to be filled with concrete upon installation so that they create a long wearing surface attractive too! Join your peers on the Internet's largest technical engineering professional community.It's easy to join and it's free. Some materials are more suited for indoor use, while other more durable materials may be used outside. Pan Treads - S110 - Stair Connection to Concrete Slab, 14GA. Pan Treads - S164 - Stair w/ Haunched Tread Top Connection to Concrete Slab Edge, 14GA. This stair nosing profile has two partially rounded edges with a flat surface between. Steel treads are extremely durable and fire resistant making them a long-term, safe material for many applications. Detail of stairs required.2. 1. Submit in accordance with Section 01340, SAMPLES AND SHOP DRAWINGS.B. -Dik. Delete stringer, treads and finishes not required. This page offers engineers and architects a sample specification for stair pans. Pan Treads - S124 - Stair w/ Haunched Tread Top Connection to Steel Landing, 14GA. Copyright 2023 Stair Components & Systems. Metal pan stairs can work with various types of stair stringers. By joining you are opting in to receive e-mail. By downloading and using any ARCAT CAD drawing content you agree to the following license agreement. Fabricate stringers, headers, and other supporting members from structural steel.E. Concrete filled metal pan stairs are a tread system commonly used in steel stairs for commercial and residential buildings. Can be subject to damage and/or cracking during shipping and at job sites. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework. Structural Steel: ASTM A36.E. These materials are not as slip-resistant as non-slip strips but provide good traction for heavy foot traffic. This ebook covers tips for creating and managing workflows, security best practices and protection of intellectual property, Cloud vs. on-premise software solutions, CAD file management, compliance, and more. Also delete any other item or paragraph not applicable in the section and renumber the paragraphs. WebSteel Pan: Concrete filled, installed stringer to stringer less 1/8" clearance. If youre ready to order, check the DOWNLOADS tab for order forms! Stair Components & Systems | Concrete Stair Treads Pre-cast concrete stair treads are popular for apartments and residential outdoor and indoor stairways. For exterior wooden staircases, ironwoods should be used for treads due to their hardness. Because of this safety hazard, OSHA 1926.1052(b)(1) prohibits construction crews from using metal pan stairs during construction unless temporary tread inserts are installed. The tread system has several benefits which make it a great option for certain egress stair applications. A. Pan Treads - S112 - Stair Connection to Concrete Slab (Non-Standard), 14GA. Pan Treads - S101 - Concrete Fill by Others, 14GA. Other alternative tread systems for metal pan stairs provide some of the benefits above but have 1 or more disadvantages. w LSb#YQy pd\\toQ4EA5N>t 4$^PMoTQ{UWLoQcCH psMid/kMd#U}it. The best material for stair treads depends on many factors. Registration on or use of this site constitutes acceptance of our Privacy Policy. 2 x Check your logic and your math. *Eng-Tips's functionality depends on members receiving e-mail. Use either open riser or industrial stair to roof where not accessible, to other than building service personnel. C. 100 Series Concrete Filled Stair System: 1. Because they are difficult to install, staircases with glass treads are much more expensive than stairs with wood or concrete treads. No overhang nosing reduces the chances of tripping but also slightly reduces the size of your stair tread due to the loss of the nosing projection. Steel Pan Stairs - American Safety Tread 12" x 41" x 2-1/4". Concrete stair treads are long lasing and require little maintenance. Concrete Stair Abrasive like rubber, concrete, or metal is commonly used. Thanks again for all you do and we look forward to future business with you., Eberl Iron recently fabricated some stair pans for us on a project we had in Woods Hole, Mass. Concrete Filled Metal Pan Stairs - Structural engineering Inferior coatings may wear off over time, 4. The pans are built to be filled with concrete after they are installed, thus creating an attractive and long-wearing surface. The reason for the 1-1/2 is that it's the shortest structural weld. That all will depend on the welder, the process, and how much weld you're wanting/needing, but I highly doubt there will be much of an issue. We have received your request and will respond promptly. Tile treads are easy to maintain as they are water-resistant and not susceptible to rotting or insects. Steel is an alloy made up of iron, carbon and other materials. Stair components are designed to sit perfectly between your stringers, eliminating gaps and allowing for fast, clean welds without the need for additional filler. Pan Treads - S120 - Stair Top Connection to Steel Landing, 14GA. SECTION 055113 - METAL PAN STAIRS 12"x42" Step Tread with Bolts and a Brushed Finish. Weld and finish with prime and paint finish of adjoining steel. *Eng-Tips's functionality depends on members receiving e-mail. 12" x 42" x 2-1/4". 2. Different types of staircases may utilize different types of stair treads. Structural steel, AWS D1.1 and sheet steel, AWS D1.3.2. 1. Stone stairs are most often used in outdoor applications such as gardens but can also be used in homes, offices and commercial buildings. Stainless steel treads are the Cadillac of stair treads. A. Usually 1.5"x1.5"x.25 angle or 1.5"x1.5"x11G box. WebThis stair has concrete filled tread pans with rubber mat surface as the tread finish. Steel tube railings attached to metal stairs. Grip treads feature a serrated surface which help reduce accidents by providing a safer walking and working surface. While not expensive to maintain, glass treads require frequent cleaning to ensure a clean appearance. Wood is one of the most affordable types of tread material. I've seen this overcome by angle or HSS, in various lengths, welded to the back of the risers and bottom of the tread. Series 100 1 3/8 to 4 wide Used to replace existing nosings or butt up to tile or carpet For use indoors or outdoors Made for concrete, wood, metal or masonry Series 200 1 3/8 to 4 wide Embedded in Not only do the rounded edges ensure the stairs are not too sharp, they also protect against nicks and dents. If that's what it weighs, then no it isn't. 1.3 Do not exceed 50 degrees slope to floor per OSHA 1610.24. Concrete is the most popular material used to build outdoor stairs due to its durability, but can also be used as the base of stairs in offices and homes that are then covered with other materials. Address: 128 Sycamore Street, Buffalo, NY 14204. Aluminum is also lightweight, weighing more than 50% less than steel for the same volume. Examine how the principles of DfAM upend many of the long-standing rules around manufacturability - allowing engineers and designers to place a parts function at the center of their design considerations. Precast concrete treads. However, there are other types of outdoor non slip stair treads. Concrete Step Mounting Bracket. Set rails horizontal or parallel to rake of stairs to within 3 mm in 3650 mm (1/8-inch in 12 feet).D. Concrete is the most popular material used to build outdoor stairs due to its durability, but can also be used as the base of stairs in offices and homes that are then Although wood is not a popular tread material for industrial applications or tall commercial buildings, it is the most common tread material used in private residences. Please let us know here why this post is inappropriate. The stair tread is the horizontal part of a staircase that you step on when climbing up or down the stairs. Staircases with steel treads are extremely durable. Pros & Cons Of Concrete Filled Metal Pan Stair Treads This sample specification includes three parts. We provide all three main stairpan components for your commercial stair system: the starter riser, which begins your stair, the combination tread and riser, which makes up the middle portion of your stair system, and the landing riser, which immediately precedes your stair landing. Thank you for helping keep Eng-Tips Forums free from inappropriate posts.The Eng-Tips staff will check this out and take appropriate action. They have a slip-resistant walking surface, Relatively quiet compared to metal treads. Delete between // ______// if not applicable to project. Our mission is to provide great efficiencies, construction and design savings, control of quality and scheduling, and ensure clients receive the Stair nosing is the front of the tread which protrudes beyond the riser. Copyright 2023 Stair Components & Systems. Promoting, selling, recruiting, coursework and thesis posting is forbidden. The best material for stair treads depends on many factors. The main disadvantage of concrete treads is that they look dull and ordinary. Design stairs to support a live load of 500 kg/m2 (100 pounds per square foot).B. However, they are costly, time consuming, and can result in safety hazards during construction. This field is for validation purposes and should be left unchanged. The nosing creates a safety hazard for people attempting to use the stairway prior to concrete being poured into the pans. Wood treads can be damaged extreme temperatures and high humidity. 1 0 obj << /Type /Page /Parent 48 0 R /Resources 2 0 R /Contents 3 0 R /MediaBox [ 0 0 576 783 ] /CropBox [ 0 0 576 783 ] /Rotate 0 >> endobj 2 0 obj << /ProcSet [ /PDF /Text /ImageB ] /Font << /F2 35 0 R /F5 36 0 R /F6 37 0 R /F7 38 0 R /F8 39 0 R >> /XObject << /Im1 4 0 R >> /ExtGState << /GS1 40 0 R >> /ColorSpace << /Cs5 41 0 R >> >> endobj 3 0 obj << /Length 1580 /Filter /FlateDecode >> stream Pan Treads - S166 - Stair Top Connection to Concrete Slab Edge, Aluminum Guard Rail System - Folding Guard Rail, Checkerplate - L600 - Landing w/ Floor Plate Angle Leg Support, Checkerplate - L601 - Landing w/ Floor Plate Angle Leg Support, Checkerplate - L602 - Landing w/ Floor Plate Angle Leg Support, Checkerplate - L603 - Landing w/ Floor Plate Angle Leg Support, Checkerplate - L604 - Landing w/ Floor Plate Angle Leg Support, Checkerplate - L605 - Landing w/ Floor Plate Angle Leg Support, Checkerplate - L606 - Landing w/ Floor Plate Angle Leg Support, Checkerplate - L610 - Landing w/ Floor Plate Tube Steel Leg Support, Checkerplate - L611 - Landing w/ Floor Plate Tube Steel Leg Support, Checkerplate - L612 - Landing w/ Floor Plate Tube Steel Leg Support, Checkerplate - L613 - Landing w/ Floor Plate Tube Steel Leg Support, Checkerplate - L614 - Landing w/ Floor Plate Steel Tube Leg Support, Checkerplate - L615 - Landing w/ Floor Plate Steel Tube Leg Support, Checkerplate - L616 - Landing w/ Floor Plate Steel Tube Leg Support, Checkerplate - L620 - Landing w/ Floor Plate Hanger Rod Support, Checkerplate - L621 - Landing w/ Floor Plate Hanger Rod Support, Checkerplate - L622 - Landing w/ Floor Plate Hanger Rod Support, Checkerplate - L623 - Landing w/ Floor Plate Hanger Rod Support, Checkerplate - L624 - Landing w/ Floor Plate Hanger Rod Support, Checkerplate - L625 - Landing w/ Floor Plate Hanger Rod Support, Checkerplate - L630 - Landing w/ Floor Plate Ledger Angle Support, Checkerplate - L631 - Landing w/ Floor Plate Ledger Angle Support, Checkerplate - L632 - Landing w/ Floor Plate Ledger Angle Support, Checkerplate - L633 - Landing w/ Floor Plate Ledger Angle Support, Checkerplate - L634 - Landing w/ Floor Plate Ledger Angle Support, Checkerplate - L635 - Landing w/ Floor Plate Ledger Angle Support, Checkerplate - L640 - Landing w/ Floor Plate Seismic Connection Support, Checkerplate - L641 - Landing w/ Floor Plate Seismic Connection Support, Checkerplate - L642 - Landing w/ Floor Plate Seismic Connection Support, Checkerplate - L643 - Landing w/ Floor Plate Seismic Connection Support, Checkerplate - L644 - Landing w/ Floor Plate Seismic Connection Support, Checkerplate - L645 - Landing w/ Floor Plate Seismic Connection Support, Checkerplate - L650 - Formed Channel Frame, Checkerplate - L651 - Concrete Wall Embed, Checkerplate - L652 - Seismic Connection U-Rod, Concrete Filled - L500 - Landing w/ "BR" Decking Angle Leg Support (Concrete Fill by Others), Concrete Filled - L501 - Landing w/ "BR" Decking Angle Leg Support (Concrete Fill by Others), Concrete Filled - L502 - Landing w/ "BR" Decking Angle Leg Support (Concrete Fill by Others), Concrete Filled - L503 - Landing w/ "BR" Decking Angle Leg Support (Concrete Fill by Others), Concrete Filled - L504 - Landing w/ "BR" Decking Angle Leg Support, Concrete Filled - L505 - Landing w/ "BR" Decking Angle Leg Support, Concrete Filled - L506 - Landing w/ "BR" Decking Angle Leg Support, Concrete Filled - L510 - Landing w/ "BR" Decking Tube Steel Leg Support (Concrete Fill by Others), Concrete Filled - L511 - Landing w/ "BR" Decking Tube Steel Leg Support (Concrete Fill by Others), Concrete Filled - L512 - Landing w/ "BR" Decking Tube Steel Leg Support (Concrete Fill by Others), Concrete Filled - L513 - Landing w/ "BR" Decking Tube Steel Leg Support (Concrete Fill by Others), Concrete Filled - L514 - Landing w/ "BR" Decking Tube Steel Leg Support, Concrete Filled - L515 - Landing w/ "BR" Decking Tube Steel Leg Support, Concrete Filled - L516 - Landing w/ "BR" Decking Tube Steel Leg Support, Concrete Filled - L520 - Landing w/ "BR" Decking Hanger Rod Support (Concrete Fill by Others), Concrete Filled - L521 - Landing w/ "BR" Decking Hanger Rod Support (Concrete Fill by Others), Concrete Filled - L522 - Landing w/ "BR" Decking Hanger Rod Support (Concrete Fill by Others), Concrete Filled - L523 - Landing w/ "BR" Decking Hanger Rod Support (Concrete Fill by Others), Concrete Filled - L524 - Landing w/ "BR" Decking Hanger Rod Support, Concrete Filled - L525 - Landing w/ "BR" Decking Hanger Rod Support, Concrete Filled - L530 - Landing w/ "BR" Decking Ledger Angle Support (Concrete Fill by Others), Concrete Filled - L531 - Landing w/ "BR" Decking Ledger Angle Support (Concrete Fill by Others), Concrete Filled - L532 - Landing w/ "BR" Decking Ledger Angle Support (Concrete Fill by Others), Concrete Filled - L533 - Landing w/ "BR" Decking Ledger Angle Support (Concrete Fill by Others), Concrete Filled - L534 - Landing w/ "BR" Decking Ledger Angle Support (Concrete Fill by Others), Concrete Filled - L535 - Landing w/ "BR" Decking Ledger Angle Support (Concrete Fill by Others), Concrete Filled - L540 - Landing w/ "BR" Decking Seismic Connection Support (Concrete Fill by Others), Concrete Filled - L541 - Landing w/ "BR" Decking Seismic Connection Support (Concrete Fill by Others), Concrete Filled - L542 - Landing w/ "BR" Decking Seismic Connection Support (Concrete Fill by Others), Concrete Filled - L543 - Landing w/ "BR" Decking Seismic Connection Support (Concrete Fill by Others), Concrete Filled - L544 - Landing w/ "BR" Decking Seismic Connection Support (Concrete Fill by Others), Concrete Filled - L545 - Landing w/ "BR" Decking Seismic Connection Support (Concrete Fill by Others), Concrete Filled - L550 - Formed Channel Frame, Concrete Filled - L551 - Concrete Wall Embed, Concrete Filled - L552 - Seismic Connection U-Rod, Floor Plate Treads - S200 - Typical Stair w/ 14GA.