Bridge Deck Systems Guard railing, also called guard rail, handrail, or guardrail, is a system designed to keep people or vehicles from falling off the bridge. They may be a handrail for pedestrians, a heavier guard for vehicles, or a common railing for both.
Is it called a guard rail or guide rail?
Guide rail versus guard rail
According to the US Federal Highway Administration, “The terms guardrail and guiderail are synonymous, and are used in different regions around the country.” Guide rail and guard rail are intended to steer and “guide” vehicles back onto the road.
What is a stair guard rail?
A handrail is a railing used for support.Staircase between walls with an aluminum handrail. Guardrail. In building terms, a guardrail is a railing used to prevent falling from an elevated surface like a deck or balcony. Unlike a handrail, a guardrail is a life-saving device.
What is the end of a guardrail called?
End Terminal
The End Terminal. The starting point of the guardrail is referred to as the end treatment. The exposed end of the guardrail needs to be treated. One common treatment is an energy-absorbing end treatment that is designed to absorb the energy of an impact by having the impact head slide down the length of the guardrail.
What are guard rails in construction?
Guardrail Guidelines
The purpose of this equipment is to prevent falls or unauthorized access to certain areas. Generally, guardrails are required when the building has steps, landings, platforms or accessible roof spaces.
What is elevator rail?
Elevator guide rails are components of elevator systems that define the path along which the elevators ride.Their joints and attachments will be suffi- cient to withstand the loads and forces imposed on them in order to ensure a safe operation of elevators.
What is guide rails in elevator?
The guide rail is what allows for the safe and precise movement of the car and counterweight. This rail offers a path for the elevator to ascend and descend. The component which comes into contact with the guide rail and the car is called the guide shoe.
What is the difference between a guard and a handrail?
Guard: A building component or a system of building components located near the open sides of elevated walking surfaces that minimizes the possibility of a fall from the walking surface to the lower level. Handrail: A horizontal or sloping rail intended for grasping by the hand for guidance or support.
Whats the difference between a guard and a handrail?
Often the two are used interchangeably. However, a guardrail is a barricade installed at the perimeter of a raised surface such as balconies or walkways. While a handrail is any horizontal or sloping railing especially on escalators or stairways on which you can grasp by the hand.
Can a guard rail be a handrail?
OSHA and many building codes use the term “guardrail” to refer to fall protection for raised platforms and stairways, but the industrial safety industry uses the more specific term “handrail,” with “guardrail” used only to refer heavy-duty beams of formed steel.
What are the parts of a railing?
Parts of a Railing System
- Baluster. A baluster is a short and decorative post, pillar, or column in a series that supports the top rail.
- Balustrade. A balustrade is a railing supported by a series of balusters.
- Bottom Rail.
- Guardrail.
- Hinge.
- Landing.
- Lattice.
- Newel Posts.
What are the three main parts of a guardrail?
There are three main parts of a guardrail: The top rails, the midrails, and the vertical posts.
What are road barriers called?
Traffic barriers (sometimes called Armco barriers, also known in North America as guardrails or guard rails and in Britain as crash barriers) keep vehicles within their roadway and prevent them from colliding with dangerous obstacles such as boulders, sign supports, trees, bridge abutments, buildings, walls, and large
What is a safety railing?
Safety railing systems are a vital part of keeping any workplace safe and OSHA compliant. Anytime there is a fall hazard, placing a guardrail between you and the hazard is your best option.
What is the purpose of a toe board in a guard rail?
Toeboards are protective barriers that are placed near the ground or walking surface. They are often used when there is a risk that tools or other objects could fall onto a person from a platform or other raised area, or through a floor opening or hole. They are often used as a part of a guardrail system.
What is a temporary handrail?
Temporary construction guardrails are required by OSHA and are designed to provide fall protection for people who are working at height. These temporary safety railing systems are appropriate for construction, infrequent roof maintenance, and roof repairs.
What is a guiderail?
Definition of guide rail
: a track or rail that serves as a guide specifically : one designed to guide a sliding door.
What is a hydraulic elevator?
Definition. Hydraulic elevators are elevators which are powered by a piston that travels inside a cylinder. An electric motor pumps hydraulic oil into the cylinder to move the piston. The piston smoothly lifts the elevator cab. Electrical valves control the release of the oil for a gentle descent.
What is a elevator shaft?
noun. US. a vertical shaft in a building which allows the passage of an elevator from floor to floor.
What is elevator hoistway?
A hoistway or shaftway is an enclosed area that is used to house the elevator as it travels between levels in your home. This area will run vertically from the lowest floor to the top floor. The hoistway should always be built to meet local codes and to the elevator manufactures specifications.
Why do elevators have counterweights?
In lifts, counterweights are particularly important, as they help to lower the amount of energy required to lift or lower the lift car. The counterweight has a suggested weight that is equal to the weight of the lift car when it is at half its maximum capacity.
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