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I <br /> B. Loose Riprap-Place riprap on the prepared area: <br /> 1. With a clam-shell, orange-peel bucket, skip or similar approved device which will <br /> contain the riprap material to its final destination. Do not open the bucket until it has been <br /> lowered to the slope on which the material is being placed <br /> 2. To its full course thickness in one operation I <br /> 3. According to the compaction requirements of Section 31 23 17, Trenching if riprap is <br /> placed on geotextile <br /> 4. By methods that do not cause segregation of riprap or displace the underlying material <br /> 5. To produce a compact riprap protection in which all sizes of material are placed in their <br /> proper proportion <br /> 6. With some hand placing,or rearranging of individual stones by mechanical equipment, or <br /> some other approved means to provide a smooth finished surface <br /> Where filter material and/or riprap are placed under water, increase their thicknesses as <br /> shown or as directed. <br /> C. Keyed Riprap - After placing loose riprap material, key the riprap into place by slapping the <br /> surface with a piece of armor plating (approximately 4 feet x 5 feet in size with a weight of <br /> approximately 5,000 pounds) or other approved means which will produce a nearly smooth <br /> surface. ' <br /> D. Riprap Basins - Excavate, backfill and construct riprap basins, without a riprap geotextile or <br /> filter blanket,at pipe outlets with Class 50 riprap as shown or as directed. I <br /> 3.6 MAINTENANCE - maintain the riprap protection until accepted. Replace any material displaced <br /> by any cause at no additional cost to the owner. <br /> • <br /> END OF SECTION <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> I <br /> I <br /> Legion Golf Course Stormwater Detention Project Rip Rap ' <br /> WO#UP3620 313700-4 <br />