Foundation

The Strong foundation is the most important factor to increase the longevity and safety of your building structure. Some useful checks for a strong foundation

• It is preferable to get the soil testing done before designing the foundation of the building
• The foundation should rest on the firm soil and be taken to a minimum depth of 1.2m from the original ground level
• The area of the foundation should be significant to transfer the load safely to the ground on which it rests
• The area of the foundation depends on the load carrying capacity of the soil, it is important to mark the location and size of the foundation before excavation

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Layout and Earth Work

A layout is the marking of boundary lines for digging the foundation. Both layout and excavation work should be done as per the drawing. Find some useful tips as given below:

• Carry out proper surveying to obtain the layout plan
• Mark all trench excavation lines with respect to the centerline of walls
• Ensure the excavation is done true to levels, slope, shape and pattern
• Consolidate the bed of excavation by watering and ramming. Soft or defective earth should be dug out and filled with lean concrete
• Brace the sides of excavation with tight soaring work for deep excavation to avoid collapsing the sides of the excavation area

Anti-termite treatment

Termite infestation can weaken the building structure and damage wooden materials. Some useful tips to keep your home free of termites are given below:

• The soil around the foundation should be treated up to the plinth level with appropriate chemicals
• The chemical barrier should be continuous and complete
• Treatment can be done pre, during and post construction stages
• Care should be taken to ensure that the chemicals should not contaminate the domestic water sources

Formwork (Shuttering)

It is a temporary structure to support the construction while the concrete work is in progress and to develop required strength of concreting before releasing the same.

• The formwork should design and constructed to be sufficiently rigid during placing & compaction of concrete and preferably leak-proof to prevent loss of slurry from the concrete.
• Use releasing agent for a smooth finish of concrete.
• The formwork should be sufficiently clean from the foreign matter before the casting.

Concrete work

The concrete mix needs to be in the proper ratio and mixture needs to use within 30 minutes of the preparation time. Mixer machines are required for best results. Water ratio needs to be proper using more water weakens the concrete and enhances the cracking potential. Compaction is done with the vertical vibrator. The concrete mix poured within a height of 1.5 meters maximum to avoid any separation of aggregates. Proper leveling and slope of the roof should be maintained during placing of concrete to avoid accumulation of water on the roof.

Masonry work

Buildings become safe if the walls are well built strong and sturdy. Find the tips below:

• Bricks/Blocks should be laid on a full bed of mortar mixed properly as per the guidance of the Engineer
• The joints should be fully filled and packed with the mortar of the same mix.
• The vertical joint should be done staggered
• For block work L/H ratio to be properly maintained and RCC band with stool columns, etc need to be provided as per IS code
• The brickwork should be cured well to make it strong

Reinforced Cement Concrete (RCC) Work has to be done by measuring a few steps that comprised of

Batching, Mixing & Placing:

Use a wooden box of specific sizes for convenient batching and maintain a proper ratio of materials. Always use a mixer machine for best results. Place all the concrete mix within 30 minutes after preparation. Use water to obtain the required workability. Additional water weakens the concrete and enhances the cracking potential. Use vibrator vertically for proper compaction. Concrete must not be over vibrated. Do not add water during compacting. The concrete should be poured within a height of 1.5 meters maximum to avoid any separation of aggregators. Proper leveling and the slope of the roof should be maintained during placing of concrete to avoid accumulation of water on the roof.