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What is a Bar Bending Schedule, how to prepare it, and what are its Merits
Bar Bending Schedule is used in a variety of construction activities, ranging from cast iron and steel construction to masonry, concrete, and rebar. It is used to indicate the shape and size of the reinforcing bars used in the project. The schedule includes the size, shape, and length of the bars, as well as their cutting and bending angles.
The Bar Bending Schedule needs to be created in a systematic manner, and it should include all the necessary information. It should include the type of bar, its length, the angles at which it is bent, and the number of pieces of each size.
The bar bending schedule should also include any additional information needed, such as the number of bars in each bundle, the weight of each bundle, and any additional notes regarding the type of bar.
Define Bar Bending Schedule
Whenever structural concrete is used, a Bar Bending Schedule is provided. This Schedule of Bar Bending provides information on the size, shape, location, mark, type, length, number, and bending details of the bar.
In various structural elements such as slabs, columns, beams, and foundations, bar bending involves bending the reinforcement steel bar into a desired shape based on the structural drawing provided by the structural engineer.
Bar bending tables enable site engineers to estimate the dimensions of steel bars of different diameters for construction purposes. A contractor's reinforcement work can be verified by the engineer in this way.
Importance of Bar Bending Schedule
The Bar Bending Schedule is an important document in the construction process, as it helps ensure that the construction projects are built to the proper specifications.
It is important to ensure that the Bar Bending Schedule is accurate, as it can have a significant impact on the success of a project. It is also important to keep the schedule up to date, as the reinforcing bars used in construction projects may need to be adjusted or replaced over time.
Things to remember while preparing Bar Bending Schedule
- It is recommended that bars be grouped for beams, columns, etc. There should be a floor by floor listing of bars in a building structure.
- Schedules should be provided separately from detailed reinforcement drawings for cutting and bending purposes.
- BS 8666 specifies the form and shapes of bar schedules and fabric schedules. The schedule should be arranged numerically.
- Identifying a particular group or set of bars of defined length, size, shape, and type on the label attached to a bundle of bars is essential.
- It is crucial to do this while referencing a bar marks because it can be used to identify the characteristics of a class of bars. Using this method also makes it easier for steel fixers and laborers to monitor what type and number of bars they need to complete a particular project.
Bar Bending Schedule Merits
- By using BBS, a building or structure can be estimated as to how much steel is needed for its construction. The cost incurred by steel is helpful when quoting for tender.
- In reinforcement detailing, finding the cutting length and bending length minimizes steel wastage, making construction more economical.
- Cutting and bending of reinforcement can be done at the factory and transported to the construction site with reinforcement drawings. As a result, the construction process is faster and the overall cost of the project is reduced.
- When site engineers verify the length of the reinforcement before concrete is placed, the cutting and bending lengths of the reinforcement become more easily determined.
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Download Bar Bending Schedule (BBS) Excel Sheet
In order to create an effective Bar Bending Schedule, it is important to have a clear understanding of the project and its requirements. It is also important to have a good understanding of the different types of bars and their properties, as well as the cutting and bending angles for each type of bar.
Once the Bar Bending Schedule is created, it should be checked regularly to ensure that it is up to date and accurate. This will help ensure that the project is completed to the highest possible standard.
