Common use of Borrow Areas Clause in Contracts

Borrow Areas. i) Suitable excavated material available from canal cutting, foundation excavation of structure and any other associated excavations within economic leads approved by the engineer-in-charge may be used for strengthening of canal sections/embankment. However, where suitable material from such features is not of adequate quantity, additional soil required shall be procured from the borrow pits. The location of borrow pits will depend upon the type of material that is being sought and accordingly, it will be necessary to conduct “Soil survey" to determine the suitability of soil to be brought for the strengthening of canal sections and raising of the embankments. ii) Before any borrow area is opened to obtain the material from the borrow area to be used, it shall be got approved from the Engineer-in-Charge. iii) All areas required for borrowing earth shall be cleaned off all vegetation, trees, stumps, roots, bushes, and other objectionable material. Particular care shall be taken to exclude all organic matter which be disposed off as directed by Engineer-in-Charge. The cleaned area shall be maintained free of vegetative growth during the progress of work. iv) Borrow area shall be stripped of top soil, sod and any other matter which is unsuitable for the purpose for which the borrow pits are to be excavated. Materials from the stripping shall be disposed off in the exhausted borrow areas, or in the approved adjacent areas, as directed. v) No borrow pits shall be dug within 3 m of the toe of canal embankment or such distance as is determined by the Engineer-in-Charge. Their depth is normally restricted to 0.5m. The top layers of earth having grass, roots and vegetable matter of any kind shall be stripped to a suitable depth to the satisfaction of Engineers-in-Charge. vi) Borrow area watering, if needed, based on laboratory tests shall be done. The placement moisture content for proper compaction of earthwork shall be as near as practicable to the optimum moisture content (OMC) as obtained from the laboratory tests. Where ever practicable and especially during dry season, periodical watering of the borrow pits, shall be done, as approved by the Engineer-in-Charge.