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<br />603.300 TESTING <br /> <br />All testing of materials and densities in this section as directed by the ENGINEER <br />shall be taken by the ENGINEER or an independent testing laboratory. Cost of these <br />tests shall be paid by the OWNER. except that any retesting of areas that fail to meet <br />specifications shall be ~aid by the CONTRACTOR <br /> <br />604.0 METHOD OF MEASUREMENT AND BASIS OF PAYMENT <br /> <br />Trench excavation and backfill shall be incidental to placing the pipe except where <br />rock or unsuitable material is encountered. Payment for these items is as stated <br />herein. <br /> <br />604.100 SOLID ROCK AND LOOSE ROCK EXCAVATION <br /> <br />Solid rock and loose rock excavation shall be measured by volume in cubic yards and <br />shall be paid for at the Contract Unit Price. Solid rock and loose rock excavation <br />shall be measured from the top of the rock to a point 6 inches below the outside <br />barrel of the pipe and i 2 inches from each side of the pipe. The minimum trench <br />width of the solid rock and loose rock excavation shall be 36 inches. Measurement <br />and payment shall be an the aforementioned basis except that individual boulders, <br />rock and concrete less' than 2 cubic yards in size shall be considered incidental. <br /> <br />604.200 GRANULAR MATERIALS <br /> <br />Granular materials furnished and placed as special foundation, bedding, encasement <br />or backfill construction will be measured by weight or volume of material furnished as <br />specified in the Plans or the Proposal by the CONTRACTOR from outside sources <br />and placed within the limits defined. Unless otherwise specified, volume will be <br />detennined by vehicular measure (loose volume), at the point of delivery. <br />Measurements will not include any materials required to be placed as a component <br />part of other Contract Items as may be specified. <br /> <br />605.0 COMPACTION OF BACKFILL <br /> <br />All backfill shall be co~pacted as required by the specified density method. All <br />trenches shall be compacted in maximum one (1) foot lifts. The required density of <br />trench backfill shall be 95% of Standard Proctor except that the top three (3) feet <br />shall be compacted to 1000.10 of Standard Proctor. <br /> <br />600-6 <br /> <br />-I <br />- J <br />-J <br />