Detailed Specifications Of First Class Brick Work
Here are the step by step detailed specifications of first-class brickwork –
First Class Brickwork Detailed Specifications
1- Bricks
In the first class brickwork, all the bricks should have a regular shape and size and the edge of the bricks should be sharp.
The Standard of bricks in the first-class brickwork must be 1st class standard brick, not the second or third class bricks.
The bricks should not absorb more than 20% water when the bricks are put into water for 24 hours and brick should possess a minimum of 105 kg/cm2 strength.
Brick should release a ringing sound when the two bricks are striking at each other.
2- Cement Mortar
The cement for the first-class brickwork shall be fresh portland cement which conforming the I.S. code 269.
The sand which is going to be used in the mortar must be medium coarse, clean, sharp, and must be free from dust and other organic materials.
The ratio of cement and mortar shall be 1:3 to 1:6 and the quantity of cement mortar is prepared only for 30 minutes that is the prepared mortar is good for only 30 minutes after it is prepared for use.
The materials of mortar are thoroughly mixed and after some time the required quantity of water is poured on the mixed materials and again the material is thoroughly mixed by turning the material’s minimum of three times.
3- Soaking Of Bricks
All the bricks must be submerged in water before 12 hours its use so the bricks shall be fully soaked.
More Read- General & Detailed Specification, Objective Of Specification
4- Laying Of Bricks
As the English bond is the most stable bond so the bricks are laid in the manner of the English bond unless the other bricks bonds are not specified for use.
No broken or defective bricks are used and the mortar joint shall not exceed 6mm in thickness and the joints fully filed with the mortars.
In the masonry work, every course shall be horizontally placed and the face of the wall cleaned at the end of each day’s work.
5- Curing Of Brickwork
For the first class brickwork, the curing of brick must be carried out for at least 10 days.
6- Scaffolding (Temporary structure outside of a building)
The temporary structures which are used for the construction work should have good strength to sustain all the load incoming on the scaffolding.
7- Measurements
The measurement of brickwork is done in cubic meters.
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