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Page 3 of 10 <br />FORMULA SYMBOLS: <br />TAfp Tributary Area to RF Mounts with Portrait PV Orientation (sf) <br />TAfl Tributary Area to RF Mounts with Landscape PV Orientation (sf) <br />TA, Tributary Area to Rafters (sf) <br />laf Pressure Equalization Factor for RF Mounts with Portrait PV Orientation <br />'1af Pressure Equalization Factor for RF Mounts with Landscape PV Orientation <br />Iar Pressure Equalization Factor for Rafters <br />Pup Design Wind Pressure to RF Mounts with Portrait PV Orientation - Zone 1 (psf) <br />PM Design Wind Pressure to RF Mounts with Landscape PV Orientation - Zone 1 (psf) <br />p2fl Design re ure Ytoafters <br />with V Orient on - Zo (ps <br />Pmp Desig ind Pre ure to(ps <br />Prdn Design a ure ow(p <br />GCp1 External Pressure Coefficient for RF Mounts - Zone 1 (depends on TA Fastener) <br />GCp2P'Ejea <br />ernal Pressure Coefficient for RF Mounts - Zonefe <br />depends n T a ever) <br />GCpups oe ci n W I. r R p oAr) <br />GCpdn := External Pressure Coefficient, for Rafters (depends on TAr) <br />ti <br />s Snow on Roof (psf} r— <br />Sfh RF Mount Horizontal Spacing (ft) <br />sf, .= RF Mount Vertical Spacing (ft) q% � � A r I ','� <br />T <br />= Rafter Spacing (ft) <br />Lpv ,= <br />PV Length (ft) i <br />«'Pv <br />PV Width (ft) <br />Lr <br />- Span of Rafter (ft) <br />-T •= <br />Edge Array Factor <br />i <br />QI <br />