Details: technical specificationssection - 2earthwork & foundations2.3.5 excavation in trenches for foundations and drains (all kinds of soils) - this shall compriseexcavation not exceeding 1.5 m in width or 10 sq. m. on plan and to any depth in trenches(excluding trenches for pipes, cables, conduits etc.2.9 specifications for filling excavated earth in foundation trench, inplinth and under floor etc.2.9.1 earth - the earth used for filling shall be free from salts, organic or other deleterious matter.highly expansive soils like black cotton soil shall not be used, unless so specified. all clods ofearth exceeding 50 mm shall be broken or removed. earth obtained from borrow pits andsurplus earth from excavation, if any, shall be directly used for filling and double handlingavoided.2.9.2 filling sides of trenches - as soon as the work in foundation has been completed and measured, thespace around the foundation masonry in trenches shall be cleared of all debris, brickbats, etc.,and filled with ea
Sector: Forest and Environment