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13 <br /> UNDISTURBED AREAS <br /> Future site plans will identify areas where land disturbance activities will not occur. <br /> 1) No work is allowed in designated undisturbed areas, except for connections of pedestrian paths <br /> and greenways. <br /> 2) Tree protection fencing is to be provided during construction activities to delineate the amount <br /> of clearing in the area. <br /> 3) Areas shall be walked for best route and flagged prior to installation of fencing by designer and <br /> Urban Forester. <br /> 4) Designated disturbed areas are portions of the site needed to support the development area, <br /> and may include buildings, parking, stormwater facilities, landscaping, roads, sidewalks and <br /> trails, and bike paths. They may also include undisturbed areas identified at the site plan <br /> development stage of planning and design. <br /> 5) Site plans shall show all clearing limits and tree protection fencin . <br /> SUSTAINABILITY Lr-.% <br /> All new projects at the site will be done following the Town of Chapel Hill Design Guidelines as well as <br /> the High Performance Guidelines:Triangle Region Public Facilities prepared by the Triangle J Council of <br /> Governments. <br /> Balancing the fulfillment of our current needs without compromising the ability of future generations to <br /> meet their needs is the essence of sustainability. Orange County, as an early proponent of sustainable <br /> design, will be seek to apply design solutions used on recently completed facilities as well as new <br /> technologies and designs where feasible on this site. <br /> Orientation <br /> The natural setting of the site, its contours and vegetation, shall be viewed as assets to be preserved and <br /> woven into the design as much as possible. For the Chapel Hill climate, buildings oriented with the <br /> longitudinal axis of the building in the east/west direction will typically have lower energy costs than <br /> buildings oriented with the longitudinal axis of the building in the north/south direction. <br /> Daylight <br /> Using daylight from windows, clerestories, skylights, atriums, etc, is encouraged to reduce artificial <br /> lighting and increase user satisfaction. Skylights and atriums should allow narrow building footprints to <br /> be naturally lit. Windows close to the ceiling are encouraged to allow greater penetration of daylight. <br /> Interior offices should incorporate transoms and vision lights to allow light infiltration into deeper <br /> spaces. 'ML AV <br /> Uncontrolled use of daylight can lead to user discomfort and increase mechanical cooling requirements. <br /> Buildings should incorporate appropriate shading devices over windows and entryways. Roof <br /> overhangs, recessed windows, sunshades, and arcades are all devices which can be used to create shade <br /> on the face of a building. Automated, motion-sensor or user-controlled interior lighting, either natural <br /> or artificial, should be provided to maintain user comfort and reduce energy costs. <br /> Southern Orange County Government Services Campus I MASTER PLAN Page 9 <br />