Sierra Pacific Industries 8/16/2020

Chaplain Gap Timber Sale 6-5 ROCK FROM COMMERCIAL SOURCE: Rock used in accordance with the quantities on the TYPICAL SECTION SHEET and MATERIALS LIST may be obtained from any commercial source at the Purchaser's expense.Rock sources will be subject to written approval by the Contract Administrator before their use. 6-11 ROCK SOURCE DEVELOPMENT PLAN BY PURCHASER:All rock source development and use shall be in accordance with a written ROCK SOURCE DEVELOPMENT PLAN to be prepared by the Purchaser. The plan is subject to written approval by the Contract Administrator before any rock source development or use. Upon completion of operations,the rock source shall be left in the condition specified in the ROCK SOURCE DEVELOPMENT PLAN,and approved in writing by the Contract Administrator. Rock source development plans prepared by the Purchaser shall show the following information: • Rock source location. • Rock source overview showing access roads,development areas, stockpile locations,waste areas,and floor drainage. • Rock source profiles showing development areas, bench locations including widths, and wall faces including heights. 6-23 ROCK GRADATION TYPES:Purchaser shall supply manufactured rock in accordance with the types and amounts listed in the TYPICAL SECTION SHEET and MATERIALS LIST.Rock shall meet the following specifications for gradation and uniform quality when placed in hauling vehicles or during manufacture and placement into a stockpile.The exact point of evaluation for conformance to specifications will be determined by the Contract Administrator. 6-34 3-INCH MINUS BALLAST ROCK:Ballast rock shall be 100%equal to,or smaller than,3 inches in at least one dimension. Rock shall contain no more than 5 percent organic debris,dirt,and trash.All percentages are by weight. 6-50 LIGHT LOOSE RIPRAP: Riprap shall consist of angular,hard, sound, and durable stone. It shall be free from segregation,seams,cracks,and other defects.Light loose riprap shall be free of rock fines,soil,organic debris or other extraneous material,and shall meet the following requirements: At Least/Not More Than Weight Range 20%/90% 300 lbs.to 1 ton 80%/-- 50 lbs.to''A ton 10%/20% 50 lbs.max 6-51 HEAVY LOOSE RIPRAP:Riprap shall consist of angular,hard, sound, and durable stone.It shall be free from segregation,seams,cracks,and other defects.Heavy loose riprap shall be free of rock fines,soil,organic debris or other extraneous material,and shall meet the following requirements: At Least/Not More Than Weight Range Size Range 30%/90% 1 ton to 3 ton 36"-54" 70%/90% 500 lbs.to 1 V2 ton 24"-42" 10%/30% 50 lbs.max 3"-8" 6-55 ROCK APPLICATION MEASURED BY COMPACTED DEPTH:Measurement of specified rock depths, are defined as the compacted depth(s)using the compaction methods required in this road plan. Estimated quantities specified in the TYPICAL SECTION SHEET are loose yards. Purchaser shall apply adequate amounts of rock to meet the specified rock depths.Specified rock depths are minimum requirements,and are not subject to reduction.