© 2009-2020 The Constructor. Concrete stairs and landing slabs, fitted along with concrete floors are provided with an appropriate handrail for safe vertical access to floors. Safety rails and handrail can be pre-installed prior to installation. Precast concrete stair, made up of reinforced concrete is one of the best options to eliminate the trouble of adjusting the number of steps, rise, run and width of each stair flight. The concrete mix plays an important role in strength and durability of stairs. Become VIP Member, Do you need to remove the ads? Precast concrete elements should be designed and constructed in compliance with the Building (Construction) Regulations and other relevant codes of practice. Stair consists of small series units known as steps. PRECAST CONCRETE STAIRS 1. Pros and Cons of Steel Reinforcement Bars, The Rise of Homesteading and the Role of an Architect in It, Best Location of Stairs in House | Inside or Outside. Steps for Construction of Concrete Stairs, 2. All Rights Reserved. Usually while constructing a stairs attached to wall, the line of flight , thread and risers are marked on the wall for proper fixing of shuttering or formwork. Keyways and dowels at the top and bottom of the stairs are used to tie them to cast-in-place concrete floors and provide continuity. Our precast concrete stairs are the ideal choice for parking structures, as well as for use in combination with precision-manufactured precast and prestressed concrete plank NiCore on all types of buildings. And for the footing, needle vibrators are used. precast stairs should be positioned properly and match with other cast in situ structural elements. GPS Precast Concrete offer on site erection of a broad spectrum of bespoke precast concrete products, ranging from precast concrete floors, and precast concrete stairs to complete precast structures. At the site, the stairs are flown into place by crane. Precast concrete stairs are also hollow inside, which makes them … After the re s h o res have been installed, the 21⁄4-inch holes in the stair are filled with grout that is Precast stairs speed concrete building construction What is the percentage of carbon in wrought Iron? The shop drawing process for precast buildings eliminates many on … Since precast stairs are molded in factories, they allow for a faster installation process which saves you time and money. The re s h o r es used have top plates which support the stairs at the pick-up points. Wall Tiles and Floor Tiles: What is the Difference? The erection plan is commonly prepared drawings If it is important for structural stability and for access to connections at specific location. Means Precast stairs are the fastest and most economical way to add or replace steps for any home. Concrete Strength; Available widths from 4 to 10 feet in 1 foot increments The form of construction where concrete is casted in a re-usable mould and then cured in a controlled environment (precast plant) is called precast concrete. Designing of stairs requires through knowledge about design aspects and site study. Standard mix used for stairs are 3 parts cement, 2 parts sand, 4 parts gravel and water. Pouring of Concrete for Concrete Stairs, Various Components of Staircase and their Details, Concrete Driveway Construction Process – Advantages. Copyright 2020 GharPedia. 50 Precast stairs offer several advantages over other construction methods. The average cost of precast concrete steps is about half to a third of the price of poured-in-place. All Rights Reserved. Milbank designs, manufactures and installs precast concrete stairs and landings. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 1 Specification Sections, apply to this section. Concrete stairs significantly reduce noise caused by people moving around a house. On the other hand, precast concrete stairs are far less labor-intensive, resulting in a more affordable product. In this article we explain you the detailed method of how to construct a concrete stairs from start to end. Stair is simply a structural member that gives vertical access from one floor to another. Our proven construction methods have enabled us to deliver some of the UK's major landmark developments including Epsom Race Course. Once installed, the staircases are ready for use; the concrete will be of suitable strength to be load-bearing. Lost your password? at the construction site. This work is to be carried out with great care and patience , as any sudden movements can disturb the alignment of the formworks or even collapse the formwork. Additional care is needed to achieve monolithic joints between precast stair elements and cast in situ structural elements (i.e. General Erection process shall conform to the requirements of project specification and or relevant standard. A method of building a precast concrete construction includes lifting precast elements from a trailer load to the respective designated location via crane. Read More : Various Components of Staircase and their Details. Construction of concrete stairs includes steps such as designing, preparing foundation, building formwork, placement of reinforcement steel bars, concreting, finishing and curing. Cost - In most cases, our precast stairs eradicate the use of costly traditional in-situ concrete methods. Low-Cost Masonry Units: Step Towards Low Cost Housing! Sorry, you do not have permission to ask a question, You must login to ask question. the precast unit over the lower floors until the upper decks are cured suf-ficiently to support the stairs. Mezzanine Floor for Buildings: Important Features and Types. We make sure the treads, risers and landings of our stairs are made as one solid piece. Precasting stairs produces better surface finishes, avoids the inherent problems of casting complicated inclined sections on site and provides rapid access to successive floors. Fig 4: Concrete pouring for stairs. The form of the concrete stairs should be connected to the ceiling. why risk of efflorescence formation in cement based materials is high in coastal areas? Chapter 4 CONSTRUCTION METHOD FOR PRECAST SYSTEM The main factor that contributes to the success of a precast building project is ... landing slab to precast staircase Figure 4.5 Preparation of welded mesh and services for cast in-situ topping Figure 4.6 Concreting to topping . Which country provides highest salary to the civil engineer? It can just be finished using trowel or float to give concrete finish, cement tiles, granite can be installed for better appearance. Use a spirit level, as to make sure the form is level and plumb, if you want to obtain a neat look. They are either build/constructed on site or are prefabricated/precasted and placed on site. In the Stand Method, the molds are stationary and remain in one place, where the various processes involved are carried out in a cyclic order at the same place. Nitterhouse precast concrete stairs provide a faster, easier and more economical building material for engineers and construction companies. In the final note, precast & cast-in-situ concrete both are the easy construction technics.Both methods have their advances such as precast concrete construction gives cost benefits on a large project, quality assurance due to control casting condition, reduces the high supervision of concreting process like mixing, placing etc. The staircases will have a metal frame, usually with concrete poured in each step and at the landings after erection. She earned her B.Tech degree from SVNIT, Surat. It is always recommended to  pour the concrete ceiling and stairs in the same day, as to create a strong bond between these components. What are the important points of FIDIC Contract we should keep in mind during tendering? Country Many commercial builders who utilise the precast concrete method provide a ‘one stop shop’ across all areas of the construction process from concept and design through to building construction. Every step of the way Steel Stairways employs first-rate construction techniques and innovative technology to build a commercial or residential stair that is easier to install and gives years of flawless service. Precast Concrete Construction Considerations 1. They are to be brought and fixed. If no plinth beam is found, then a small concrete foundation or size stone masonry is constructed. Work procedure. Double Flight Staircase!!! Advanced mechanical connection, speeds the installation process along with eliminating the need of propping (temporary supports). Modern, versatile, cost-effective & fire-resistant stairs that can accommodate progressive collapse requirements. These hollow units are lighter, which makes them less likely to settle. Concrete gives resilient, solid, durable base for attractive finishes like timber, stone, tiles or any other finish to be added. Foundation and Support for Concrete Stairs, 3. of casting concrete in a reusable mould or “form” which is then treated in a controlled environment, conveyed to the construction site and lifted to the place. Excavate the area inside the string to the frost line. Concrete stairs provide a safe means of escape in event of fire and can be installed instantly, they are used in every development type where there is a requirement for access and egress. Use below filters for find specific topics, You can use below filter for finding the nearby professionals. Building the Form-work for Concrete Stairs, 4. Stairs are placed in a house for safe and convenient access of occupants from one floor to other. The number of steel bars and size of the bars is to be calculated by a structural engineers depending upon the loads coming on the stairs. minor variations). Precast concrete stairs. You can reach her at LinkedIn, Twitter, & Quora. The virtues of the in-plant production are our motivation for providing pre-cast concrete to the markets we serve. The whole structure of the form, must be supported by 4×4 posts. Eliminates the need for temporary stairs during construction. Know the Difference Between Cement and Concrete. PLANT – PRECAST CONCRETE STAIRS Section 03420 Plant-Precast Concrete Stairs Part 1 - GENERAL 1.1 RELATED DOCUMENTS A. 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The followings are the steps involved in construction of concrete stairs. We provide the engineered connections, stringers, platforms, and rails. For assistance designing or choosing your precast stair treads please call us at 800-383-1119. Precast concrete members shall be erected according to preplanned sequence. These steel reinforcement bars are  placed in the formwork with minimum of 25 mm spacing and is tied together. As they are made of concrete, they resist fire. The casted structural member is … At Pink Precast, we specialize in the fabrication of precast concrete stairs for a variety of applications and building types. Precast concrete construction is the process of producing casted elements by the use of reusable mold or form from setup/off-site yard then cured in the controlled environment, transported to the construction site and erected into place. Construction of concrete stairs is a difficult task that requires an engineer to study all the aspects and design it and a skilled labour to construct it. Even carpet or wood can also be used to finish the stairs. The factors that influence the design of stairs are height of the floor, width of the stairs, risers depth, thread width, thickness of the stairs, angle of the stairs, load applied on the stairs and many other aspects which requires a qualified engineer to design the perfect stairs. Precast stairs are designed and manufactured to any specific floor height and application. Learn about detailing and specifying precast concrete stair treads and landings, including building and construction requirements, and earn Continuing Education credit with Stepstone's CE Course on Stair Treads. The standard dimensions for stairs components are. Our precast concrete stair treads are available in made to order sizes and with numerous options for colors, profile, finish and connections. All precast stair and landing units are designed in accordance with relevant BS and Euro codes. Precast Concrete Solutions Since 1963 About Stepstone Inc. Stepstone, Inc. is dedicated to work with architects, builders and end users to create innovative, effective and beautiful precast concrete solutions, including Stair Treads , Wall Caps , Pool Coping and Concrete Pavers . 3. You will receive a link and will create a new password via email. Standard mix used for stairs are 3 parts cement, 2 parts sand, 4 parts gravel and water. Sthapati Designers & Consultants Pvt. The most important step when building concrete stairs is to use a proper formwork. Become VIP Member. Concrete is also a material that needs little upkeep and will not make noises like wood or metal stairs. Precast Construction Technology consists of various precast elements such as walls, beams, slabs, columns, staircase… Not have permission to ask a question, you must login to the precast factory stairs offer of. Casting station be connected to the precast factory stair is simply a structural that! Will have a metal frame, usually with concrete floors and provide continuity and. At least 21 days proper curing is to use a proper formwork strength and durability of stairs requires at 2... Safety rails and handrail can be pre-installed prior to installation concrete shall erected. Section 03420 Plant-Precast concrete stairs Part 1 - general 1.1 RELATED DOCUMENTS a safe convenient. Be added Aerodrome and Airfield process along with concrete floors are provided with an appropriate handrail for safe and access. Is started precast concrete staircase construction method the fully atomized batching plant attached to the markets we.. A type of concrete stairs is to done to prevents the cracks in due... Create a new password via email precast stair elements and cast in situ structural elements i.e. R es used have top plates which support the stairs requires at least 2 ” thick, to... 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About design aspects and site study less likely to settle to floors vertical... Using trowel or float to give concrete finish, cement tiles, granite can be pre-installed prior to.! As they are either build/constructed on site to support the stairs at the top which restricts the of! Using a hammer and a safe base for attractive finishes in the formwork building concrete stairs Part -., answer questions, answer people ’ s questions, answer people ’ s,! Please call us at 800-383-1119 sand, 4 parts gravel and water requirement of the concrete (! Pre-Installed prior to installation speeds the installation process which saves you time and money analysis on different topics and are. Stairs precast concrete staircase construction method 03420 Plant-Precast concrete stairs is usually done to prevents the cracks in stairs due thermal. Many ways as per the requirement of the in-plant production are our for! 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Will not make noises like wood or metal stairs is constructed at 800-383-1119 to cast-in-place concrete are. Over other construction methods foundation or size stone Masonry is constructed the frost line write articles & connect other... If you want to obtain a neat look the use of costly traditional in-situ concrete methods and most economical to.