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PLAN BIOREACTOR CROSS-SECTION Legend b <br /> Grade backfill with existing ground to not create ®Earth fill <br /> NOTES: a channelized flow path (see Notes 1 and 5) Woodchip media <br /> 1. All disturbed non-crop construction areas shall be stabilized by seeding or mulching Existing 12-inch pert. CPP DW 6 <br /> within 14 days of conclusion of construction activities. This seeding and seed mixture Existing ground Proposed 12-inch non-pert. CPP DN <br /> shall meet the NRCS Conservation Practice Standard 342 (Critical Area Seeding) or (see Note 5) Proposed 6-inch non-pert. CP3 <br /> other program requirements to replace previous grass stand. —` .-411-; <br /> _ Proposed 6-inch pert. CPP <br /> 2. Line bottom and sides of bioreactor chamber with plastic, minimum 4 mil thickness. ft --�Plastic liner <br /> L'=''ll=�i.=.t. <br /> Overlap any splices at least 6 inches. Lop seams in direction of flow so water flows Place geotextie 11=11.11.1. -- Geotextile fabric C <br /> between woodchip J111=11—. <br /> over top of seam. Wrap plastic carefully around tiles that enter/exit the chamber; no l_1 li: ——— Existing ground <br /> need to seal around tiles. and sol(see Note 4) <br /> �t►4.?44 Bioreactor footprint <br /> 3. Woodchips shall not contain woods known to have tannin, such as cedar or redwood. a `�e4-, <br /> Oak may be used if mixed with other allowable wood species and does not constitute 14 ,#���It 'n <br /> more than 50%of the mix. Woodchips shall be reasonably free of soil and other .1 f%+0 ii <br /> contaminants nor contain loose composting materials. Woodchips shall be around �twL�:t = cV <br /> 1-inch long by%-inch thick with minimal fines. They shall be processed through a Line bottom and sides of 1......1_1.7.1 .11= <br /> chipper and not through a grinder. Do not use any treated or pointed wood. ESE has bioreactor chamber with = 22 ft <br /> the right to reject any woodchips which do not meet specifications. plastic(see Note 2) i <br /> 4. Geotextile shall be non-woven and meet the requirements of AASHTO M288, Class II, )- <br /> 8 <br /> with elongation >= 50%. Examples include US 205NW, ADS 801, ACF N080, Mirafi 180N. BIOREACTOR PROFILE g <br /> Overlap a minimum of 6 inches at all seams. Grade backfill with existing ground to not create <br /> 5. Grade site for positive drainage away from the bioreactor chamber. Spread soil in a channelized flow path (see Notes 1 and 5) <br /> designated location away from bioreactor. <br /> 6. See Plan Mo for benchmark coordinates. New surface <br /> P -i Elev.684.7 ft <br /> ti ISI I SII I�III _ r <br /> �{j, U p <br /> New surface *IV II ��.��, = al _Ilk.% -- <br /> Elev. <br /> U <br /> Elev. 6848 ft 'M ' 1MIMI� 11`71.11 <br /> E <br /> 4.4.$44OIt��444.44+4'4 444.+4__ Elev.att��ps U <br /> Upstream pit 114.4.+4,. , �, �, �, �, �, <br /> Elev. 678.5 ' t��wf�!!'lsy�i�,���t4,��4��;���� Downstream 683.4.0 pit <br /> End cap End cop <br /> Outlet WCS 6-inch non-pert. <br /> li-- <br /> (2-chamber; see Sheet 6) (both ends) (pp 25 ft (both ends) <br /> d r <br /> 6-inch non-perf. E r r �� <br /> CPP 100 ft Flow _cii V1 <br /> / V l <br /> Backflow / Distribution/collection manifold, / y o <br /> prevention valve 6-inch pert. CPP, 22 ft Long (each end) o <br /> � i. <br /> \i Co Flow .. <br /> Bioreactor Chamber Length _ t I� <br /> Existing 12 inch CPP DW h� L = 88 ft 12-inch non-pert. CPP DW, Matram <br /> Inlet WCS 20 ft on each side of VICS <br /> a NW <br /> (3-chamber; see Sheet 6) on <br /> LOCOMENvs <br /> OOMENra- Lym Clrbar LOCATION 39D2B0,-08.8965 Ntt a s <br />