Ground excavation is the preliminary step of a construction project. Excavation activities are involved from the beginning of a building project up to the end. The process includes safety building measures based on the depth of pits and site clearance. Different equipment is used depending on the size of the building. Manual tools such as crowbars and spades are used in the construction of small buildings, unlike the large buildings that require mechanical equipment. In a nutshell, the following information explains the basic procedure to follow in foundation excavation in Layton.
Site clearance is the preliminary activity of construction. The site should be cleared of vegetation, stumps of trees and brushwood construction before the construction work is commenced. All tree roots should be removed to a minimum of 30cm below the groundwork level. All pits left after the removal of roots or caused by old groundwork should be filled up with soil and compressed.
A groundwork layout ought to be set. This is done by establishing a benchmark at the site and connecting it to the next yardstick. Depending on the land terrain and the significance of the building, you should take 5-10m or 4-8m interval site levels. Stretching strings can be used to mark the centre lines of the wall across wooden pegs. If you need to set the correct angle of a perpendicular wall, you can use theodolites or tapes to mark their center lines.
Open planking for soft and loose soils excavation should be done. Horizontal boards are placed against the excavation sides. They are anchored by vertical waling boards which are marched to similar wood pieces on the opposite side of the trench. After the completion of the groundwork, the timber pieces should be withdrawn carefully to avoid the collapse of the trench.
Dry surfaces provide a friendly environment to work in. It is important to dewater waterlogged surfaces to ease your job. Laying of concrete beds and building of masonry pillars will help to ensure dryness. At times, working on waterlogged surfaces may be a challenge. Clearing water from wet constructional surfaces will enhance the effectiveness of your project.
Maintain the water table to a level of 0.5m below the bottom of the excavation to improve dryness. Various approaches to lowering the water level can be used. Many online sites provide these methods. You should select a site with the information providing the most suitable and economical method of dewatering construction sites.
Masonry walls should be built using cement concrete or lime concrete. The concrete should have a mixture of cement, sand and coarse aggregate that should be mixed in the ratio of 1:4:8. The concrete should be placed well and compressed. Use of mechanical tools and machinery will help to ease your work. Furthermore, it will be save time and management cost.
The concrete should be protected by moist gunny bags after two hours of laying. After 24 hours, regular curing should be done and be continued for ten days. However, construction over the bed concrete can be started three days after laying the concrete. A leveling course of lean concrete of 75mm is laid to make an even column foundations and raft foundation.
Site clearance is the preliminary activity of construction. The site should be cleared of vegetation, stumps of trees and brushwood construction before the construction work is commenced. All tree roots should be removed to a minimum of 30cm below the groundwork level. All pits left after the removal of roots or caused by old groundwork should be filled up with soil and compressed.
A groundwork layout ought to be set. This is done by establishing a benchmark at the site and connecting it to the next yardstick. Depending on the land terrain and the significance of the building, you should take 5-10m or 4-8m interval site levels. Stretching strings can be used to mark the centre lines of the wall across wooden pegs. If you need to set the correct angle of a perpendicular wall, you can use theodolites or tapes to mark their center lines.
Open planking for soft and loose soils excavation should be done. Horizontal boards are placed against the excavation sides. They are anchored by vertical waling boards which are marched to similar wood pieces on the opposite side of the trench. After the completion of the groundwork, the timber pieces should be withdrawn carefully to avoid the collapse of the trench.
Dry surfaces provide a friendly environment to work in. It is important to dewater waterlogged surfaces to ease your job. Laying of concrete beds and building of masonry pillars will help to ensure dryness. At times, working on waterlogged surfaces may be a challenge. Clearing water from wet constructional surfaces will enhance the effectiveness of your project.
Maintain the water table to a level of 0.5m below the bottom of the excavation to improve dryness. Various approaches to lowering the water level can be used. Many online sites provide these methods. You should select a site with the information providing the most suitable and economical method of dewatering construction sites.
Masonry walls should be built using cement concrete or lime concrete. The concrete should have a mixture of cement, sand and coarse aggregate that should be mixed in the ratio of 1:4:8. The concrete should be placed well and compressed. Use of mechanical tools and machinery will help to ease your work. Furthermore, it will be save time and management cost.
The concrete should be protected by moist gunny bags after two hours of laying. After 24 hours, regular curing should be done and be continued for ten days. However, construction over the bed concrete can be started three days after laying the concrete. A leveling course of lean concrete of 75mm is laid to make an even column foundations and raft foundation.
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