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B. Stormwater and Site Drainage <br />1. Minimize impervious surfaces <br />a. Permeable paving, gravel or other porous surfaces are installed for <br />-------._ . _.._ ~,___---- _ _ ---- ... _..m_ _.__. <br />^ i. 25% OR <br />^ ii. 33% (total 3 ponts) OR <br />^ iii. 50% of the paved area (total 5 points) <br />^ b No impervious surfaces directly connect to the storm drain <br />2. Design a system to capture and filter storm water <br />^ a. Capture and filter runoff from parking lots into landscape beds, vegetated swales or other landscape <br />stormwater burps <br />b. Incorporate landscape measures,including vegetated swales, infiltration planters, detention basins and/or <br />stormwater wetlands, that are designed to capture and flier: <br />_.. __. <br />^ i. 85% of average annual stormwater runoff OR <br />^ ii. 100% of average annual runoff (total 4 points) <br />^ c. Bioswales specify flat bottoms of at least 18 inches across and/or rock cobble at points of concentrated Flow <br />^ d. Turf is not specified in bioswales <br />^ e. Direct rain water from all down spouts to planters, swales or landscaped areas <br />Stormwater and Site Drainage Subtotal, out of possible 16 points <br />~.._~_. - -_ _- _ e_...- __.. _ <br />C. Earthwork and Soil Health <br />--_ ____ _ <br />1. Assess the soil and test drainage <br />^ a. Submit laboratory soil analysis results and recommendations for compost and natural fertilizers (total 3 points) <br />2. Remove and store topsoil before grading <br />^ a. The removal, temporary storage, and re-spreading of topsoil is specified in the landscape design documents <br />AND specifications include a maximum topsoil pile height of 6 feet, as well as measures to protect the stored <br />topsoil from erosion <br />__ <br />3. Protect soil from compaction <br />^ e a. Grading specifcations and construction plans call for the installation and maintenance of fencing to prohibit <br />parking or materials staging in areas identified for protection <br />_ _ . <br />^ b. Design documents specify that soil is not worked when wet <br />4. Aerate compacted soils <br />^ a. Design documents include specification to alleviate compacted soils to a depth of at least 8 inches, before <br />planting, for all landscaped areas that can not be protected during construction <br />_ _ __ <br />^ b. Design documents include specification to alleviate compacted soils to a depth of at least 12 inches, before <br />planting, for all landscaped areas that can not be protected during construction (total 2 points) <br />5. Feed soils naturally & avoid synthetic fertilizers <br /> <br /> ~ <br />d <br />N T <br />A ~ <br />L N C d ~ W Q a <br />O <br /> <br />a d J w <br /> <br /> <br />w d d <br /> <br />t Z ~ <br />C <br />R <br /> <br />~ <br />fq y d d d <br />~ <br />d <br />_ G <br />J <br />____ fq i ~~ <br />J_ Z I <br />R ~ i C <br />U -; U ~ <br />~ d <br />U <br /> Poss ible Points <br />1 <br />2 <br />2 <br />2 <br />0 <br />2 <br />2 <br />2 <br />1 <br />1 <br />1 <br />Possible Points <br />0 2 1 <br />0 2 <br /> _ _ <br />0 2 <br />0 1 <br />0 1 <br />0 1 <br />a. Fertilizers or soil amendment materials prohibited by Organic Materials Research Institute (OMRI) in its generic'; <br />materials list are not allowed in the construction of the project 0 <br />_. _ _ _ <br />6. Mulch <br />^ a. Planting specifcations and plans indicate that after construction, all soil on site is protected with a <br />minimum of 3 inches of mulch <br />R <br />Bay Friendly Landscaping 2008 <br />GreenPoint Checklist Edition Page 2 of 7 <br />