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®al Cc . t dim �Jfr‘b :Professional'Gatego,y: iir I kc 6 & g , T - �� ' ARCHITECTURE) Rre.,, 20 0 t .l 7.117u-W, • A d ° a t- 41 a Aw -WNW. Bioswales: Bioswales are environmentally friendly _L ( ' a • *t ..�.- 'S.4s • landscape elements designed to remove silt and S R•� ,Y • Jl� iat-;'f ® x 'i _ ? -, 4 :; k , , - pollution from the first flush of surface water runoff. uTh t r n z- -..4:4::...,?-14t.:;�fThey are typically off-line systems with gentle side crt® e fr },' 1y''F' i to 'ti_ r, `l?- ., slopes filled with vegetation to maximize the time 2-1 `r.:i + ;t `I%° t_ w r water is spent in the swale. Our landscape architects ® i = g a 9': F` ``c :,- ;?•: utilize this LID tool to integrate it into parking lot islands and replace the need for subsurface piped • ® P. systems. Properly designed, bioswales provide both • "�� infiltration and treatment for water quality. Inverted ® /1' elf swales in parking islands in lieu of raised landscaped ® . ., __ _ — _ --. _- beds create sustainable landscapes, while adding the 0 Bovnron Beach Boulevard Promenade benefits of water quality measures. 0 Curb cuts: The elimination of curb and gutter or provision of curb cuts to allow surface drainage into • vegetated swales in lieu of piped systems is strongly encouraged by our landscape architects when ® appropriate, to minimize stormwater runoff and provide supplemental irrigation. • Bioretention: Our landscape architects and water resources engineers design bioretention areas created to address both quantity and quality issues relative to stormwater management. Landscaped depressions with • subsurface sand filters provide for infiltration, detention, and water treatment while giving the appearance of a • conventional landscape. • Landscape: The strategic location of shade trees can significantly impact energy costs for buildings in • temperate climates. Proper selection of trees with dense leaf patterns to reduce summer heat gain and open • branch structure to allow winter sun on the south side of a building is a low-impact means of achieving energy ® savings. Xeric, drought tolerant, and native plant materials are also suggested to minimize the need for irrigation ® Low Volume irrigation: Low volume irrigation is a more efficient means to apply water on a limited basis for sustaining landscaping. Low volume irrigation should be viewed as a supplemental source only during • the establishment period or in times of excessive plant stress. Our landscape architects have had extensive • involvement in preparing irrigation design guidelines and specifications for several clients. • Gray water re-use; rainwater capture: Our landscape architects can provide the City with aesthetic design • solutions for rain barrels and cisterns to capture rainwater for irrigation and other uses. • There are significant infrastructure costs associated with current water management designs, including • subsurface piping, extensive grading, and wasted land (typically 15-20 percent is reserved for stormwater • ponds). By implementing just a few of the above LID methods, KHA can improve water quality treatment for ® the City's watersheds and reduce stormwater runoff, so more land is kept available for other opportunities. • U.S. Green Building Council. The U.S. Green Building Council's (USGBC) Leadership in Energy and • Environmental Design (LEED®) rating system is the nationally accepted benchmark for the design, construction, and operation of high performance green buildings. Kimley Horn is currently a member • of USGBC. LEED® can help the County with the tools they need to have an immediate and measurable • impact on their buildings' performance. LEED® promotes a whole-building approach to sustainability by • ® RFO No. 2 r Kimley-Horn UL300014.12o.12o Runny Isles Landscape Architecture indd and Associates,Inc. • 2-5