Adjustastairs mid landing. Thank you for your enquiry. Adjustastairs mid landing

 
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The unique functionality conveniently allows multiple users to go up and down at once, eliminating excess time and hassle. 91mH – 2. For longer, deep excavation access, several AdjustaStairs sets can be 'daisychained' to create one long set. Hence the. ATI Products stands as a premier supplier of contractor debris netting across the country, offering ready-to-dispatch stock at unbeatable online prices. Input the vertical height you need to access and compatible stairs will become enabled in the dropdown. … Liked by Donna Dixon-Lara View Donna’s full profileWe would like to show you a description here but the site won’t allow us. decking; to keep the rise at the bottom the same as the others, a 3/4-in. 67mH (12 Steps) - With Support Truss Under Stringers. Put away the inadequate ladder or improvised timber stairs. 2. There is no support. The height of the second floor is 120 inches above the first floor. The H-Brace is an optional 'bolt-on' accessory for the AdjustaStairs. AdjustaStairs are also much quicker to set up and move compared to a scaffold tower. Go to Safesmart site. 2. #AJS 210813 AdjustaStairs 6 step - 600mmW aluminium to suit height range 0. With an r+R of 17 ¼” and a 2r+R of 25 ½”, both numbers are close enough to the ideal to be comfortable for most people. AdjustaStairs bolt down at the top and. For the run, the 11-in. SafeSmart Access Canada AdjustaStairs does that! AdjustaStairs offer handrails, the ability to maintain 3 points of contact, ability to walk forward down into the work area and a much faster means. Hear how some 2024 candidates reacted to Israel-Hamas deal. require that the landing length be at least 44 inches. 3. The H-Brace is an attachable accessory for the 16-20 Step AdjustaStairs. Multiply the horizontal length (run) by itself, multiply the height by itself, and add the two results together. Coupled with a team of brightly. sales@safesmartaccess. SafeSmart Access is Australia’s. The Typical Step Height [F] is 7 1/2 inches. See SafeSmart UK for AdjustaStairs. Reaching New Heights | SafeSmart Access is a designer, manufacturer and distributor of portable and static height access products to all industries. From $250 View. ADJUSTASTAIR / TRUCK STAIR The 6-Step AdjustaStair makes accessing trucks beds, docks or other short landings easy and safe. The center of the staircase. Draw two stair runs with a gap between them and let Revit place a landing between them for you. The Adjustastair Mid-Landing System is the new solution for basement, pit and shaft access during construction stage! This system dramatically reduces the… AdjustaStairs Double 1. ATI's construction products and services are designed to create a safer work environment, increase productivity and efficiency, and create. Click to Enlarge. Steps – Steps are comprised of two sections, the tread and the riser. Determine how you will attach the stairs to the existing structure. When adding a railing to stair Treads, the path offset will be set to 25. 91M - 2. 91mH – 2. And a hefty weight rating of 500kg, and a big truss underneath, allows workers to safely exit or enter whilst carrying tools with their spare hand. The greatest riser height within any flight of stairs shall not exceed the smallest by more than 3/8 inch (9. And between higher storeys on a construction project, the addition of a mid landing makes a larger stair set and eliminates the need to install time-consuming scaffold stair towers. Reply. Tired of wrestling with complex or inefficient access solutions on your construction sites? 🤔 The AdjustaStairs allow you to quickly and safely access over formwork with a SafeSmart mid-landing. Mini Mobile Scaffold. There is only one mid-landing in the stair. SpaceX's mega rocket Starship launches for a test flight from Starbase in Boca Chica, Texas, on Saturday. The modular design of AdjustaStairs and landings means that they can be easily reconfigured to suit any changes in any basement excavation. Combination of Different Types. A 'successful failure': SpaceX's Starship achieves liftoff, loses contact mid-flight. X. Except for the bottom landing, every tread has 3/4-in. 5-in x 0. US: Stairways should be at least 36 inches wide. From $7,500 View. Jobs People LearningInstead, take measurements where the stairs begin and end. Thank you for your enquiry. 3D. Complies to AS/NZS 1892 : 1996. sum of tread + 2 times raiser should be equal to or between 500 mm to 650 mm. Crown Heritage. 00. Automatic Landing. It will if it's adjusted as part of the whole stair. With TrackIr in Microsoft Flight Simulator, you can lean forward to see over the nose during landings, bend down to get a close look at your. Learn about the benefits of installing riser boards on your deck stairs. Except for the bottom landing, every tread has 3/4-in. X. When a door is opened on the landing, it should not reduce the landing smaller than half of required width. By Mike Guertin. A black frame gallery wall is mounted to the wall above steps featuring wood treads and white risers. The length of the step is should provide a minimum of 600mm. #STS 210866 SmartStairs Entry Box 2050mmW x 3785mmL x 3000mmH with Landing. Automatic Landing. Place the landing in the proper place. Download the PDF version of this article. These types of stairs are advantageous for saving space at the base where the angle is incorporated. X. You need a manufacturer and supplier of access equipment who understand your needs. You can have 2 different Handrail types for each railing type. (See ICC R311. The AdjustaStairs ship to your site assembled and ready to install. Tell us:SafeSmart Access EMEA in Moses Lake, WA Expand search. Draw a “Line” the length of the “Riser”, for example 1000, this will be the “Actual Run Width”. The distance from the top and bottom must be longer than the stairwell width (see diagram). You've reached our Australian site Keep Browsing. Steps: 12. 5m - no fixings required- Folds in seconds for storage and tr. (See ICC R311. Objectives of Providing Landing in a Staircase. Provide Safe, Fast and Easy access. AdjustaStairs W/Mid-Landing. One of our specialists will get bank to you soon. AdjustaStairs featuring an integrated mid-landing can be assembled just as swiftly as standard AdjustaStairs and include an H-Brace for extra ground support. As each floor is setup the SafeSmart team delivers another 4-6 sets of AdjustaStairs to get the workers between floors , safely , efficiently and a lot less cost than a scaffold stair tower. Page 1 PORTABLE STAIRS 00MM DJUSTA TAIRS Users of Safesmart Access AdjustaStairs please read the following instructions carefully and do not use the stair until the instructions have been read and understood. You just push gently on the mirror to pop it open and access the space. Going into the build mode, you can place stairs like usual, but there is now a tool that lets you swing the stairs on a center axis to split them. For spiral stairways, there should be a width of at least 26 inches measured at and below the handrail. $325. By default the options bar setting will be ticked so that this happens automatically. 44-in x 0. Add. A commitment for project funding was that no structures would be built that would impact natural sediment delivery to the shoreline, such as bulkheads. It's our jobsite simplifying, cost saving, efficiency boosting #adjustastairs, making a quick flight 🛫 to revolutionize another Turner Construction Company site. Each model of AdjustaStairs is. 3. . The following table illustrates some of the different types of stairs you can create. AISC's Design Guide 34 is on the general subject of stair design. #AJS 210813 AdjustaStairs 6 step - 600mmW aluminium to suit height range 0. AdjustaStairs provide 3 points of contact for optimal safety, whilst providing the luxury of having a hand available to carry tools or equipment. au 3 Since 2007, SafeSmart Access has been providing height access solutions globally. Regular price $8,999. - Developed specifically for access to truck trays- Suitable for use with tray heights of 1 - 1. “in the direction of travel. Switchback Staircases (or U-Shaped) Switchback Staircases are similar to 90° Staircases in that they both feature at least one landing to create a turn. H-Brace for AdjustaStairs. This solution comprised of 3 proprietary products…The mid-span posts end up being stiffer than the bottom post because the distance between the upper and lower bolts is wider and the blocking can be taller. 5625-in Classic Satin Black Powder Coat Wrought Iron Pin Top Stair Baluster. Debris Netting, Plastic Sheeting & Personnel Fall Protection Netting. Follow us. See for yourself below! #redrails…The Adjustastair Mid-Landing System is the latest solution for quarries, tunnelling and cofferdam access throughout construction projects! This modular…The Adjustastair Mid-Landing System is the new solution for basement, pit and shaft access during construction stage! This system dramatically reduces the downtime & cost of traditional scaffold. overhang, so the stringer’s tread depth will be marked and cut at 10-1/2 in. On a dog-leg stair, Revit will automatically make the landing width the same as the run width. There are many great designs for mirrors with built-in storage. Temporary excavation access done right! - Safe - Simple - Efficient The #ADJUSTASTAIRS system is extemely versatile and has the ability to solve more than 95% of all access issues on site! #. 2. They are used to change the direction of the stairs without landings. One of our specialists will get bank to you soon. Checkout the step attachment for applications where 3 - 15 steps are required. You can play around with different unequal flights, but the only way to achieve a 1500 mm landing height. AdjustaStairs Hanging Landing End Loop Handrail - suits 1200mmW configuration. It sounds like great advice. CALCULATE STRINGERS, RISERS, & MORE >. 8. You'll also want to check vibration per the AISC Design Guide 11. Change the elevation for level 2 to 3100, and an extra step is required and a warning is displayed to either add steps or to change the “Relevant Top Height” parameter! Both these options may be exercised through editing the stairs. Out on site with our Temporary Works Engineer Carlos Morales Valverde inspecting a stair and bridge set up. Draw a “Line” the length of the “Riser”, for example 1000, this will be the “Actual Run Width”. 39m - 3. For commercial buildings = 1. #14. Guards are required along all open-sided walking surfaces of the stairway, including landings and stairs. - Words spoken from one of our loyal customers 💪 With changing slopes and deck heights, the AdjustaStairs are the contractor's best access asset onsite. The perfect solution for temporary height access on site. Thanks for visiting our straight staircase photo gallery where you can search lots of staircase design photos. Stair Landing Width: The width of each landing shall not be less than the stairway served. As shown in Figure-2 above, the flights are spanning longitudinally by means of landing slabs at the top and bottom of the flight. Create a Modular Landing System with AdjustaStairs allowing for easy configuration and construction of safe, code-compliant modular landings, stairs and platforms. These types of stairs are advantageous for saving space at the base where the angle is incorporated. 9m. Adjustastairs & Mid Landings. Each model is designed with a varying degree of height access, self leveling (600mm) treads are a unique design making these a worthwhile investment. width of stairs, For residential buildings = 0. Install a glass banister. (Image credit: Future) Like mirrors, reflective glass staircase railings can help make your hallway appear larger. Midcentury inspired custom stair landing. X. Select left run for the stair. The tread is the horizontal part of the step that the foot is placed on. AdjustaStairs allows workers on site to carry tools and equipment with a massive 2. Installation can be performed by as little as 2 people in 5 -10 minutes. L-shaped staircase with one landing that changes direction of the flight by 90 degrees. 2- ADJUST "OFFSET FROM PATH". Vivian Valencia 10mo Report this postDecorate With a Pedestal. Whether it's. This is measured at all points above the handrail height and below the required headroom height. Put any mark value. And between higher storeys on a construction project, the addition. Figure 3. . Tread (t) = 250 mm to 300 mm. Figure 1. This product is quickly becoming a popular choice for industries and trades that. jpg (19. Billie Wearmouth posted a video on LinkedInWe would like to show you a description here but the site won’t allow us. #AdjustaStairs - replacing ladders with a safe, compliant and efficient alternative. #redrails #safety #people #access #ontario #construction{"title":"Products","description":"","products":[{"product_id":"adjustastair","title":"AdjustaStairs","description":"u003cdiv title="Page 1" class="page"u003e2. I have included a cut view of the mid landing below. When a landing is included in stairs created by sketching boundary and riser lines, split the boundary lines where they meet the landing so the railing accurately follows the landing and the slope of the stairs. From $780 View. Description: AdjustaStairs Hanging Landing End Loop Handrail - suits 1200mmW configuration. Even our customers are talking about #AdjustaStairs. ADJUSTASTAIRS & MID LANDINGS. 2007-01-15, 05:40 PM #8. Changes to type properties apply to all instances in the. When a door is opened on the landing, it should not reduce the landing smaller than half of required width. Select the stairs and click Modify | Create Stairs Sketch tab Modify panel Split. Share | About author: ATI offers innovative construction products and services that are designed to be more efficient, safer, and more convenient than conventional options. When I was studying Nav Arch at Michigan, we had a presentation on this new class of Aircraft Carrier. The handrail height should be provided a minimum of 1m for the staircase. Thank you for your enquiry. 310-410-1525Determine the total rise for your stairs using a level and a tape measure. . Simply landings must be a minimum the same width for the flight they serve, thus mid. The Mid landings suit landing heights of up to 4m and allows the stairs to be configured in either straight line access or off 90 degrees. SafeSmart Access EMEA’s Post SafeSmart Access EMEA 3,578 followers 11moRe: Stair with a riser in the middle of the landing. Regular price $8,999. The AdjustaStair can be set up in minutes, it is light enough to be transported to site and put in place by one person. 2 SYD 02 8844 4500 | MEL 0 0 0544 | BNE 07 2 7111 | salessafesmartaccess. It is not possible to use a solid stringer mid-tread, so where the code addresses increased span allowance for use of solid stringers, there is a presumption that the middle stringers (if any) are cut. Check out these dazzling bath tubs. 26. Learn how to determine the location of your stair landing and how to install a concrete slab using forms. Mid landing required soon Tom😉. Jay Preeshl, on 19 Sept 2021 - 4:41 PM, said: offset the landing itself. In an effort to further drive efficiency on the job while limiting accidents and damages, SafeSmart developed AdjustaStairs, the innovative, new market-leading portable stair. A series of winders form a circular or spiral stairway. i. One of our specialists will get bank to you soon. The stair self-levels to the elevation or uneven landing, then the handra. 2. Unfortunately some people thought that it was safe to leave toddlers unattended on high rise balconies and a. Landing a float plane - inner harbour YWH - Victoria, BC, Canada, June 2013Uber in Milnes Landing, BC When you look up the fare estimates for Uber in Milnes Landing, Sooke, Capital, British Columbia, Canada, V9Z - it looks fairly familiar. Mid-Stair Landings. Scaffolding StairsTo create an independent stair landing Select Build> Stairs> Landing , then click and drag out a basic rectangular landing. My. These provisions are about all that’s necessary for most stairway landings. The AdjustaStair mid-landing benefits: Secure access for embankments Adaptability - can be adjusted for various inclines and heights Easy Installation - designed for fast install to save down time. Photo by . 310 410 1525 the hassle of building up a scaffold to access between levels on sites. Draw two stair runs with a gap between them and let Revit place a landing between them for you. To add a step, simply drag the run end control. Suggested Height Range: 1. How neat is this! SafeSmart Access was engaged by Ventus Group, to… A Mid-landing incorporated into one single #adjustastair. The guard height must be at least 42 inches high, and it is measured vertically from the leading edges of the tread nosings or from the landing surface. Input the vertical height you need to access and compatible stairs will become enabled in the dropdown. X. 7 Gorgeous Mid-Century Modern Staircases; 10 Creative Ways to Use. No more clambering up 30ft Extension ladders and having to use a rope and pulley to get your tools up! 💥 #adjustastairs - 34 Step with integrated…Use this automatic stair calculator for applications requiring the risers to be 7 3/4″ maximum. PHOTO: greybirchdesigns. The dimension of landing in the direction of travelling should be at least equal to the width of the stair and it should not surpass 1219mm where the stairway is a straight run. AdjustaStairs with Mid-Landings. treads will have a 1/2-in. It is not possible to use a solid stringer mid-tread, so where the code addresses increased span allowance for use of solid stringers, there is a presumption that the middle stringers (if any) are cut. CA: Required exit stairs should have a width of not less than 900 mm. Staircase width: Width refers to the length of risers and treads from side to side. 33m (15 Steps) - With Support Truss Under Stringers. The slope of the landing was also limited to 1 ⁄ 4 -in-12, the same as stair treads. The High. When I was studying Nav Arch at Michigan, we had a presentation on this new class of Aircraft Carrier. When the steps cover a difference of over 2. The minimum landing width between handrails is 36 inches. SAFESMART ACCESS. 67mH (12 Steps) - With Support Truss Under Stringers. Landing: a platform connecting two flights of stairs. Compute the rise and run of both sections of the stairs. SAFE, FAST AND EASY ACCESS BETWEEN FLOORS, DECKS & IN TRENCHES. For longer, deep excavation access, several AdjustaStairs sets can be 'daisychained' to create one long set. 33mH #AJS 210814 AdjustaStairs 9 step - 600mmW aluminium to suit height range. AdjustaStairs also eliminates the need for complex stair configurations or scaffolding for each formwork level. Steps: 12. You might need to adjust / stretch the upper or lower run (blue dot) to have overall desired number of risers. Mini Mobile Scaffold. Now constructed, here is the state of the art…. Don't underestimate the power of a pedestal. SafeSmart Projects. SKU: 210825. Straight-Run Landing Stairs have a landing inserted to break up the flight. 3. At the top of a stair flight, handrails shall extend horizontally above the landing for 12 inches minimum beginning directly above the first riser nosing. Ltd. 99 Truck Stair View all Mini Mobile Scaffold View all AdjustaStair View all Desksurfer View all Reaching New Heights Safe and Efficent AdjustaStairs Up/Down Sets These stairs are phenomenal. Nosing: The section of the tread that overhangs the riser below. Sailings departing from Tsawwassen provide. We recently collaborated with Carnell to provide this very solution - here's the…The two narrow flights start from either side of mid landing. One of our specialists will get bank to you soon. Go to Safesmart site. And between higher storeys on a construction project, the addition of a mid landing makes a larger stair set and eliminates the need to install time-consuming scaffold stair towers. The “Riser” will be. Calculated run and approach angle will be displayed below. With all the same features as our single-width AdjustaStairs®, these stairs bring safe efficient access to. Any spacing in the guards must be less than 4 inches. If you still like the traditional wood look, try a glass banister with oak on top, or for a contemporary hallway, look go for chrome fittings. Effective Horizontal Span (Leff) Leff = 2. We shot this video to show how fast, safe and incredibly easy to use SafeSmart Access Canada's #AdjustaStairs really are. Attached Images. AdjustaStairs with Mid-Landings. As a result, the landing divides the staircase into. And between higher storeys on a construction project, the addition of a mid landing makes a larger stair set and eliminates the need to install time-consuming scaffold stair towers. One of our specialists will get bank to you soon. #safety #safetyalways #safetyfirst #AdjustaStairs #SafesmartAccess. "U" shaped stairs may employ a single wider landing for a change in direction of 180°, or two landings for two changes in. Complies to AS/NZS 1892 : 1996. Input the total rise number into the Decks. when used for access to a truck tray) Perfect for when AdjustaStairs are used on a batter or slope Come as standard with all aluminium models Code Description Strutlocks MID LANDINGS Made to order HANGING LANDINGS. Well in this case, pictures really don't do this beast justice! Safesmart Access was approached by a major…Bridging the gap. Thank you for your enquiry. . Find My Store. 97 + 1. Share | About author: ATI offers innovative construction products and services that are designed to be more efficient, safer, and more convenient than conventional options. Introducing…The topping-off ceremony of the new Los Angeles Chargers Training Facility and Headquarters in El Segundo! 🌲👷‍♀️👷‍♂️ ⚡ We are honored to be a part of this…3DM (FT) 3DM (M) OBJ. Available with open raised tread to increase grip. In residential homes, they are found mainly as. 🛫 Revolutionizing Construction at Chicago Airport with AdjustaStairs and AECOM 🏗️ 🏢 As one of the most bustling transportation hubs in the United States, Chicago Airport is no stranger. Select the run to be moved. 💥💥Can ship in one piece - Installed in 5 minutes💥💥 Fully OSHA compliant!!… #BREAKTHROUGH!!! For longer, deep excavation access, several AdjustaStairs sets can be 'daisychained' to create one long set. t+2r = 500 mm to 650 mm. Use clever lighting. The AdjustaStairs&reg; is a portable aluminium solution made in New Zealand &ndash; light weight, easy and quick to set up. com Stairs Calculator to determine the number of stairs, each stair rise and run for laying out your stair stringers. The Adjustastair Mid-Landing System is the new solution for basement, pit and shaft access during construction stage! This system. landing won't move with stair edit. From $7,500 View. Install and trim the decking before starting the installation of the stairs. SpaceX's mega rocket Starship launches for a test flight from Starbase in Boca. 6- USE 3D VIEWS AND SECTIONS. 2. The width of the stair landing slab will be provided at least 1000 mm for the. The wording is more for lets say you have a straight flight going up to a mid-landing that is 5ft wide, at the mid-landing you would make a 90 degree turn to another flight that is only 42" wide. Add. Every stair set is designed to be portable, efficient to deploy and weather-resistant, thanks to the use of high-grade aluminium and the skills of our in-house fabrication team. In dog legged staircase, stairs are arranged with two adjacent flights running parallel with a mid landing and dog legged staircase is generally provided resulting in economical utilization of available space where space is less. - Primarily designed to eliminate bounce and to increase the operating capacity by 500lbs. OPERATION 1. Plumb the walls and fasten them to the floor. Revit will move the run start/end points to suit. Tsawwassen terminal is a 36 km drive from downtown Vancouver and is located at the southwest end of Highway 17 in Delta. X. agreat animation here on our Adjustastairs. For example, if you have an 8-foot wide ramp section that leads into a landing and then continues onto a 6-foot wide ramp section, the platform must be at least 8 feet wide. Start here! Stair layouts can be changed in section or elevation too. AdjustaStairs allowed our client to setup safe and efficient access for their bridge project in matter of minutes, instead of 2 weeks of arranging scaffolding works. Save time, injury and money on site with our range of work stairs. The landing is to be the width of the door and 36” in the direction of travel. 1) The minimum tread depth is 9”. Excavation access has never been so easy 💥 Scaling a 1:1 or steeper slope on a ladder is a time-consuming and energy-draining task. The AdjustaStairs is designed and manufactured to the requirements of and AS/NZS 1576:1-2010 & 3-2015. To create stairs from a 3D view, make sure the Workplane is set to a plan level, else you will receive a warning. specification sheet portable stairsYou want a mid-landing with your #AdjustaStairs? Done! HENSEL PHELPS chose to go the Safer, Smarter and more Efficient form of access onto the roof of one…Mar 5, 2021. However, where 90° stairs only make one turn at a right angle, Switchback Staircases turn 180°, either via one landing or two. Step 1 Determine the Height of each flight. 8 m to 1 m. This is video 3 of 5 in our EPIC Deck Build series in which we show you how to determine your stringer (stair) measurements, cut your stringers, and install. Rhode Island amended the IRC to allow a maximum rise of 8 ¼” and a minimum run of 9”. ) The maximum rise of steps is 8”. Check out this feat of engineering. SAFESMART ACCESS. 150 /2) = 4. Top and mid landings can be constructed from Proscaf; Multiple fixing options; High Access. SafeSmart Access USA | 2. If the Gap distance is set to 11” or more, five treads will be created. From the “Modify | Create Stair” tab Select “Sketch” as shown in Figure 2. 3. Great afternoon at Zupps Aspley Pty. 13238 Florence Ave. And between higher storeys on a construction project, the addition of a mid landing makes a larger stair set and eliminates the need to install time-consuming scaffold stair towers. 4 mm. The landing wall will have a gorgeous appeal due to the mirror. Share | About author: ATI offers innovative construction products and services that are designed to be more efficient, safer, and more convenient than conventional options. g. Then, find the square root of this sum. Generally these stairs are more suitable for modern public buildings. Step 4 – Build the Landing. SIGN UP FOR UPDATES: Contact us at: [email protected] SYD: 02 8844 4500; BNE: 07 3266 7111; MEL: 03 9309 0544; Products Products. Place the stair on the support surface with the top step facing the fixing location. ATI's construction products and services are designed to create a safer work environment, increase productivity and efficiency, and create. #TruckSafety - SafeSmart Access SafeLoader is becoming the go-to platform for keeping people safe on trailers. If the Split Landing option is also enabled when creating a U-Shaped staircase with winders, four, or five, treads are created depending on the Gap distance set. align stairs on each level by the mid-landing position or the run-start point. You've reached our Australian site Keep Browsing. 0845 382 1000. However, the landing has to be deeper than the door is wide. com. Self-leveling treads adjust to any height. An awareness of proportions is key to successful landing decorating ideas. SAFESMART ACCESS. 87 kB) A stair landing should be framed like a small deck capable of supporting 40. Vivian Valencia’s Post Vivian Valencia Inside Sales at SafeSmart Access USA 1yConfigurable stairs, people. 48 inches. Page 2:. 3D. MID LANDING #AJS ADAPTA SPAN #ADS ADJUSTA STAIRS #AJS HUSHTEC ACOUSTIC CONTROL ROCKBREAKER ATTACHMENT #HUS MODULAR STEPOVER. U-SHAPED OR DOG-LEGGED (HALF LANDING) STAIRS: These are straight staircases with a landing – but here the landing changes the direction of the flight by 180 degrees and serves as a place for rest. Where space is less, dog legged staircase is generally provided resulting in economical utilization of available space. The AdjustaStairs are specifically designed to replace job-made ladders, extension ladders and in some cases, switchback stair towers. The most extreme height of riser is between 150mm 200mm. Also, because the bottom of the upper set of stairs will rest on it, the landing must be large. Share | About author: ATI offers innovative construction products and services that are designed to be more efficient, safer, and more convenient than conventional options. H-Brace for AdjustaStairs. Elements of a Steel Staircase.