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W RIGHT <br /> STRUCTURAL ENGINEERS <br /> DESIGN SNOW LOADS <br /> ASCE7-16 CHAPTER 7 <br /> RISK CAT: II Pg(psf): 25 <br /> I: 1 PT(psf): 25 <br /> Ce.: 1.2 Ps(psf): 25 <br /> Ct: 1.2 <br /> Cs: 1.0 <br /> SNOW DRIFT LOADS AT LOWER ROOFS AND PROJECTIONS <br /> ASCE 7 SECTION 7.7,7.8 <br /> Y(PcO: 17.25 <br /> hb(ft): 1.46 LENGTH OF <br /> LOWER <br /> LENGTH ROOF OR CONTROLLING DRIFT <br /> OF UPPER PROJECTION PEAK PRESSURE <br /> ROOF /PARAPET WINDWARD LEEWARD AND WIDTH <br /> LOCATION hl(ft) he(ft) I„(ft) I„(ft) hd(ft) Pd(Psf) hd(ft) Pd(psf) Pa(Psf) w(ft) <br /> At wall <br /> rSurcharge Load <br /> e• A I Due to Wong <br /> ho hd pa <br /> • Balanced Snow Load <br /> tsb t t t t - <br /> FIGURE 7.8 CONFIGURATION OF SNOW DRIFTS ON LOWER ROOFS <br /> UNBALANCED SNOW LOAD WINDWARD LEEWARD <br /> (HIP&GABLE ROOFS)ASCE 7 SECTION 7.6.1 W(ft) Id(ft) Ps(psf) hd(ft) Ps(psf) w(ft) <br /> ROOF PITCH= 0:12 0.00 0.00 0.00 0.00 <br /> SLIDING SNOW <br /> ASCE 7 SECTION 7.9 W(ft) Pslide(PSf) Wslide(ft) <br /> 0.00 15.00 <br /> CHRIS CLARKE SNL230136-021 1 <br /> PROJECT: No: SHEET: <br />