Every rule your project must meet, found for you.

NI-wide·Technical Booklet B Materials and Workmanship

Any material in contact with the ground or in the foundations will be suitable if it is capable of resisting attacks by deleterious material in the subsoil such as sulfates.

NI-wide·Technical Booklet D Structure

There should not be – (a) any made ground, peat or wide variation in the type of subsoil within the loaded area; (b) a weaker type of soil at such a depth below the soil on which the foundation rests

NI-wide·Technical Booklet D Structure

The mass concrete used in the strip foundation should be – (a) in chemically aggressive soil conditions, an appropriate concrete mix as recommended in BS 8500: Part 1 and BRE Special Digest 1; and (b)

NI-wide·Technical Booklet D Structure

The following design provisions apply – (a) the foundation should be situated centrally under the wall; (b) the foundation should have the minimum width given in Table 4E.1; (c) the minimum thickness

NI-wide·Technical Booklet D Structure

foundations should unite at each change in level. minimum overlap L = twice height of step, or thickness of foundation, or 300 mm, whichever is greater. S should be not greater than T. see para 4E.3 (

NI-wide·Technical Booklet D Structure

projection X should be not less than P. see para 4E.3 (f)

NI-wide·Technical Booklet D Structure

wall should be centered on the foundation. in both the cases shown in this diagram, the thickness of the foundation should either be equal to P or 150 mm, whichever is greater. see para 4E.3 (c)

NI-wide·Technical Booklet D Structure

foundation width should be not less than the appropriate dimension in Table 4E.1. foundation width should be not less than the appropriate dimension in Table 4E.1 plus offset A1 & A2 with footing. WT

NI-wide·Technical Booklet D Structure

Provided that the conditions relating to the subsoil (paragraph 4E.1) and design provisions relating to the foundations (paragraph 4E.3) are observed, the type and condition of subsoil are known and t

NI-wide·Technical Booklet D Structure

Type No. | Type of subsoil | Condition of subsoil | Field test applicable | Total load of load bearing wall not greater than (kN/m): 20, 30, 40, 50, 60, 70 | Minimum width of strip foundation (mm) 1

NI-wide·Technical Booklet D Structure

The minimum depth to the underside of a strip foundation should be the greater of – (a) the depth to selected bearing stratum; or (b) a depth of 450 mm to the underside of foundations. This should avo