19/03/2022
1. WALL PLASTERING
Wall plasters with unattractive cracks and deteriorated interior and exterior finishes are widespread. Due to a lack of adhesion, plastered surfaces crack and sometimes disintegrate. Wall plasters should usually be done in two coats, with enough time between them for each coat.
2. COMPACTING
Even the best-made concrete can be thrown away if it is properly compacted and cured. Due to the presence of air voids, improper compaction lowers the strength and thus the durability of the material. Effective compaction results in the materials being packed closer together, resulting in denser concrete.
3. REINFORCING BARS
RCC relies heavily on reinforcement bars. When purchasing steel, be sure it comes from a reputable manufacturer and that the material is of good quality.
4. CENTERING & FORMWORK
In addition to material waste, weak and insecure centering and formwork can result in injuries and even death. The center should be strong enough to hold the soft concrete in place until it hardens. To avoid slurry leakage, which would result in honeycombed concrete, gaps between the centering sheets should be plugged.
5. MASONRY WALLS/BRICK WORK
A sufficient bed of mortar should be used to lay the bricks or blocks. The joints should be completely filled and mortared. To make the brickwork sturdy, it must be well cured. If your walls aren't robust and durable, they won't be deemed safe. Staggering vertical joints is a good idea.
6. AGGREGATES
Aggregates should be tough, durable, chemically inert, and free of hazardous elements. Excessive amounts of any of the aggregates have a negative impact on the setting, hardening, strength, and durability of concrete. Poor quality aggregates will result in inferior concrete, reducing the structure's durability.
7. CEMENT STORAGE
Cement should be stored in watertight sheds or structures. Cement bags should be piled on an elevated dry platform and covered with tarpaulins/polythene sheets for temporary storage at construction sites.
8. ANTI-TERMITE TREATMENT
Termite infestations can cause structural damage as well as harm to timber surfaces. Anti-termite treatment should begin prior to the start of construction. Chemicals should be used on the soil around the foundation up to the plinth level. The chemical barrier must be complete and continuous.
9. MARKING AND EXCAVATING THE FOUNDATION
Use the center-line of the building's longest outside wall as a reference line for excavation of new walls. Mark all trench excavation lines in relation to the building's center-line design. For deep excavation, brace the sides of the excavation with tight shoring work to prevent the area from collapsing.
10. FOUNDATION
The foundation should be built on stable soil and dug to a depth of 1.2 meters below ground level. The walls of the excavation should be reinforced to prevent them from collapsing if the soil is loose or the excavation depth is greater. A solid foundation's surface area should be sufficient to transfer the load to the ground on which it rests. Before excavating, it's critical to record the foundation's location and size.
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