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ltncd'erl�Deluil J��eci/icaliun.r %J-1 l-l0 <br /> -. //omc�rood l'�rrace Ruck�rr <br /> :Iubur�r, IPnshi44�lori <br /> 7'lie point of discharge shall Ue considered an existiug, or to be installed <br /> stonn drain system, a swale, ditch or otLer fonn of surface water Flow <br /> collection .rystem, a dPtention or retention pond or other stable native site <br /> feature or previously installed collection system that is located away from <br /> the base ofthe rockery. <br /> 4. Rockeiy Thiclutes.r <br /> 77ie individual rockery thickness, including the rock drainage layer, sliall Ue <br /> at least 40 percent uf the rockery heiglu as a guide. The individual rocks <br /> sl�all be atranged in a single course which, when measured to include the <br /> drainage layer, is equal to tlie required rockery tl�ic{mess. <br /> 5. Rock Se%ctron <br /> Rock shall be a uearly rectangular es possible. Any rock of Uasically <br /> row�ded or tetral�edral forni sliall be rejected or used for filling large void <br /> spaces. The rock material sl�all be liard, sound, durable and free from <br /> weatl�ered portions, seams, cracks and otl�er defects. <br /> 6. Rock Plnccinent <br /> 77ie first course of rock shall be placed an firni unyielding soil ;�s coufinn�d <br /> acceptnble by � representative of die geotecUuical engineer. There shall be <br /> fidl contact behveen the rock and soil. Tl�e bottom of tlie first course of <br /> rock sl�all be a mininmut of twelve (12) or eigl�teen (18) inches belo�v <br /> �djacent exterior grades as determiued by the rockery lteigh[. <br /> Rocks sliall be placed so tl�at tLere are no continuous joint planes in either <br /> d�e vertical or lateral direction. EacU rock sl�all bear on at least two rocks <br /> below it. The final course shall Lave a continuous appearance and be <br /> � placed at tl�e b.ise of thc facing so tliat it �vill Ue stable and have a staUle <br /> appearancc. <br /> 7. Fnce l�rdr�iation <br /> Tlie facc of the rockery shall Ue incliued at a gradicn: of aUout 1:6 Qi:V) <br /> back towards tl�c face being protccted. <br /> ❑I GES, /nc. <br />