(b) Be sure that drainage ditches are maintained free flowing. (a) Do not permit ponded water in any construction area. (10) Assure that drainage is provided continually as excavation progresses. ![]() (9) Insist that excavation is performed in specified sequence. (8) Determine moisture condition of suitable excavated materials in advance of needs. (7) Insure the utilization of satisfactory materials from excavations. (6) Check for location of required protection to sanitary and storm drains, electrical cables, communications cables and gas lines subject to damage by heavy earth-moving equipment. (5) Check that approved disposal areas and haul roads are used. If differences are noted, consult your supervisor for determination of action to be taken. (4) Evaluate materials being excavated against logs of borings. (3) Check Post utility maps prior to the start of excavation to ascertain existing lines not shown on contract drawings. ![]() ![]() Dewatering equipment may be necessary, and disposal for unsuitable material must be provided. (2) Review the log of borings to ascertain the elevation of the water table and to determine if unsuitable soils are likely to be encountered. (1) Prior to the start of excavation operations, take photographs of the construction area, make sure that sufficient cross-sections are taken, and continue to take progress photographs during construction. The following checklist should be used as a guide for better quality control over earth excavation. Earth Excavation Checklist excavation checklist
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