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Minimum Compressive strength of first class brick is 10.5 MPa
Depends on type of cement , but it is a Minimum of 35MPa at 28 days
7.5 inch
LOAD BEARING WALLS Walls that must support the dead load of their own weight and the weight of subsequent bearing structural members placed upon them. In addition, load bearing walls must be capable to carry the load of "live" loads that are anticpated to be placed upon the the system without deflection that can degrade or negatively impact structural intergrity. NON LOAD BEARING Walls that are only intended to support themselves and the weight of the cladding or sheathings attached. Non load bearing walls provide no structural support and may be interior or exterior walls. Non load bearing walls must be braced to resist minimum 5 psf lateral loads.
The minimum slope shall be 1% to 2%.