SECTION 2 EARTHWORK FOR wrk ee PARKING eee ZERO AREA 2-01. LOCATIONS: The areas to be graded and the finish elevations thereof are as shown on the working drawings or as required for the work. 2-02, GENERAL REQUIREMENTS: ae The Work of this Section includes the furnish- ing of all labor, equipment, transportation and materials required to complete the grading for roads, airfields, parking areas, zero areas, heliomats, causeways, dikes and drair age ditches in the locations sas shown on the Road, Paving, and Building Location Plans, be Roads: Areas for work of this section shall be entirely cleared of all debris, organic matter, including roots, weeds and other unstable and unsuitable material, Disposal of cleared materials shall be in the manner directed by the Engineer, Ce On All Areas to be Paved, the subgrade shall be brought to proper elevation by filling and blading. Fill shall be suitable native coral or crusher run ledge coral placed in layers not greater than six (6) inches and thoroughly compacted at optimum moisture content with pneumatic tired rollers or sheepfoot rollers, The surface shall be finished by blading and rolling and the final rolling shell be done with a steel wheel roller of six to ten tons weight The completed subgrade shall be true to section and grade, smooth and uniformly compacted over the entire section. de Roads, airfields, heliomats, and parking areas, shown on the plans as not to be paved shall be constructed in the manner outlined for subgrade under paved areas as specified above in paragraph "C" under heading 2-02, @. Drainage Ditches shall be excavated in the loca- f. Earth Fill for Causeways shall be sound, native tions and to the mons tons shown on the working drawings. Surplus material shall be spread evenly on adjacent areas or used in required embankments if suitable, coral from excavations or borrow, and free of debris and organic matter. The fill above water level, or from a height at which compaction equipment can be operated 2-1