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Steel Stairs And Handrails Fabrication

Stairs are the most common use in almost all building that has stack components of building . When it come to fabrication of stairs it important that everything is welded proper and all fit up made right . Welding of all parts must be 100% . Quality steel stairs are an essential part of any construction project where general access to multiple levels is required. We have the equipment and materials to fabricate a variety of star configurations such as spiral staircases, grate stairs, 4′, 5′ or double wide or pan stairs for concrete pouring. Located in New Berlin, Wisconsin Superior Structural Corporation has built a solid reputation, since 1969, by producing large, high quality steel weldments and fabrications. We employ highly qualified welders to meet our commitment of prompt delivery to our customers. Our bids are prepared per your specifications and will meet municipal codes. Our certified welders can build stairs per your specifications, including welding; grinding; and prime painting, galvanizing, or epoxy paint finishing. We can install your stairs as allowed by OSHA or hire authorized contractors.

the cost of steel stairs?

Of course, there are interior stairs and exterior stairs. Since interior stairs generally consist of more steps, they’re typically more expensive than exterior stairs. Breaking it down even further, interior stairs include stairs leading to the second floor, basement stairs and attic stairs. Since designs and installations are different, they come in at different price points:

Main Staircase: The most important staircase in your home will likely cost approximately $2,400. The main staircase catches your eye as soon as you walk into the home. The design demands attention and as such, typically costs more than any other interior staircase.
Basement Staircase: Most people don’t give too much thought to their basement stairs. In fact, some don’t add padding or paint. Since design is not a focus here, expect the cost to hover around $1,400.

Attic Staircase: Even less expensive are attic stairs. They generally drop from the ceiling and are thin, but strong pieces of wood. The cost to install attic stairs should not exceed $1,000.

Cost to Build a Staircase

It costs the average homeowner $1,900 to build a staircase. This project ranges from $920 to $2,880 but can cost as low as $350 and as high as $5,000. However, you could pay up to $10,000 for more extensive or custom projects.

Additional considerations and costs

There are also costly freight and delivery charges that must be added into the budget as well, and these tend to average between $300 and $600.

Most pre-built interior stairs will come in the desired finish, such as staining or painting, but the homeowner will also have to consider the use of any moldings too. The average costs of simple quarter-round stock along with any baseboards will average between $250 and $400.

Many homeowners opt to use a spiral kit staircase that relies on steel instead of wood. These are far less expensive and cost between $400 to $1500, though there are structural considerations with their use. There are also combination kits which rely on metal framing and wooden treads, and which are available for prices ranging between $1500 to $5000, depending upon the design.

Question and answers about stairs

Question 1: What “strength to carry safely” level is expected of the stair as far as resistance to this load: Yield or allowable, i.e. to failure or to allowable stresses used for steel design?

Reply: The design of fixed stairways and their components must be based on their ultimate strength [yield stress (FY) or ultimate stress (FU)] and not on the allowable stresses as given in the Allowable Stress Design method of the American Institute of Steel Construction, Ninth Edition.

Question 2: Where should it [1000 lbs load] be applied: Stringers, Stair treads?

Reply: From a design standpoint, the specified design loads (e.g., normal live load and moving concentrated load of 1000 lbs) must be placed where the maximum stress is experienced by the individual structural components of the stair system.

Question 3: Is it a concentrated load or spread over the whole stair tread area?

Reply: 29 CFR 1910.24(c) states; “Fixed stairways shall be designed and constructed to carry a load of five times the normal live load anticipated but never of less strength than to carry safely a moving concentrated load of 1,000 pounds” [emphasis added]. Therefore, with respect to the design calculation, the normal live load is spread over the whole stair tread area and the moving concentrated load is considered to be a point load applied at a location on the stair system where the maximum stress would be experienced by the system (the 1000 lbs loading criteria is a minimum).

Fire escape addition to stairs

A fire escape is a special kind of emergency exit, usually mounted to the outside of a building or occasionally inside but separate from the main areas of the building. It provides a method of escape in the event of a fire or other emergency that makes the stairwells inside a building inaccessible. Fire escapes are most often found on multiple-story residential buildings, such as apartment buildings. At one time, they were a very important aspect of fire safety for all new construction in urban areas; more recently, however, they have fallen out of common use. This is due to the improved building codes incorporating fire detectors, technologically advanced fire fighting equipment, which includes better communications and the reach of fire fighting ladder trucks, and more importantly fire sprinklers. The international building codes and other authoritative agencies have incorporated fire sprinklers into multi-story buildings below 15 storeys and not just skyscrapers.

Fire escape stairs

Fire escape stairs are considered as the preferred solution for safe emergency evacuations and fire escapes. There are 4 important parameters for the design: the dimensioning, the choice of material, the layout and the available options.

A fire escape stair is a special kind of emergency exit, usually mounted to the outside of a building or occasionally inside but separate from the main areas of the building. It provides a method of escape in the event of a fire or other emergency that makes the stairwells inside a building inaccessible. The metal escape stair consists of a number of horizontal platforms, one at each story of a building, with ladders or stairs connecting them. The platform and stairs are usually open steel gratings, to prevent the build-up of ice, snow, and leaves.

Metal fire escape stairs need to be stable and trustworthy at all times so they may not be worn by rust. For this reason ADTO Mall stairs use only high quality aluminum that is anodized for extra protection. ADTO Mall has the knowledge and experience all over the world to get the ADTO stairs certified.

Why stairs need Handrails

Handrails are required on both sides of stairs and must be continuous within the full length of each stair flight. Inside handrails on switchback or dogleg stairs must be continuous.

Stairway Handrails

Recommendation: In facilities that primarily serve children, a second set of stairway handrails 28” high maximum above stair nosings is advisable. A vertical clearance 9” minimum between upper and lower handrails will help prevent entrapment.

Handrail Extensions [§505.10]

Handrail extensions at the top and bottom must return to walls, guards, or floors and horizontal portions must comply as protruding objects. The length is measured to the start of the return radius.