AgdaPkt 2015-03-23 Closed and Joint SA PFA

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8.A. - Page 116 Exhibit B. Engineering and Construction Requirements • All feeders and branch circuits shall be sized to minimize voltage drop and losses and shall be in compliance with NEC requirements. • Seller shall furnish, install, and connect combiners and recombiners as necessary to complete the System. Enclosures for combiners and recombiners shall be NEMA 3Rrated outdoor or NEMA 1 indoor or higher. • All systems, conduit, boxes, components, etc. shall be grounded and bonded per NEC requirements and in accordance with Section 3.5.16. • All exposed conduit runs over 100-feet in length or passing over building connection points shall have expansion joints to allow for thermal expansion and building shift. • Seller will be responsible for locating, identifying and protecting existing underground utilities conduits, piping,substructures,etc.and ensuring that no damage is inflicted upon existing infrastructure. • Design Builder shall install and secure the exposed string cable homeruns along the beams or structure where the combiner box is installed. • All exposed string wiring must be installed above the lower surface of the structural purlins and beams. Wire loops under framing members are not acceptable. • Acceptable wire loss in DC circuits is < 1.5% and acceptable wire loss in AC circuits is < 1.5%as well. • 1000V systems are acceptable. 3.5.16 Grounding and Bonding • Module ground wiring splices shall be made with irreversible crimp connectors. • All exposed ground wiring must be routed above the lower surface of any structural framing. • For shade structure installations, grounding electrode conductors shall be bonded to structure columns either just below grade or below the top surface of concrete bollards. 3.5.17 System Security Requirements Seller shall utilize tamper-resistant PV module to rack fasteners for all PV module mounting. 3.5.18 Shade Structure Lighting Exhibit B Page 16