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`:i <br /> for this occu�ncy with the ���_ret_t Building <br /> Ln_lxrtment (see copy of l�cter attache�) . <br /> Lift Pits: F�roximately 4 ac/lir. I3onoccupiefi space <br /> ventilated to outside to prevent buildup <br /> of vapors. <br /> 7nspection Pits: Approximate!y 10 ac/hr. 0.^cUpied space <br /> with te��ered ais supply. In addition, exhaust <br /> ventilation to catside at approximately 4 ac/hr <br /> is pru:ided for setback hours wnc�s tonpered <br /> air supply is shutdoan to preventc buildup of <br /> vayors. <br /> � Packaged Bus Paint Booth: 100 fgn velocity across gross <br /> inside area. 1008 outside air. <br /> Office Areas and Ot}�er Misc Areas: Rate varies depending <br /> on occupancy and n�nnber of people for which space <br /> is designed. Reciiculated air canbined wi.th <br /> an adjustable a�munt of outside air supplies <br /> ;rost spaces. bchaust ventilation to outside is <br /> provided in all restro�rts, janitors ra�ns, �r�d <br /> specialty soaces where noxious or ha�ardous <br /> vapors may be generated. <br /> i <br /> 4) Maximian Allv�d U Values (Table 4-3, fnr zor,e 1) : <br /> U = .OS Fm".,f <br /> LI = .25 Walls <br /> U = .08 Floors <br /> U = .23 (fiheated slab on grade <br /> 5) Overall Thernr�l Transfer Values (OTI'V) SValls: 35 Btu/h-sf <br /> (1`aole 4-5, 47 degrees I�brth 7�t) <br /> CAIGfJII�TED OVEEtALL T[�1F1L PERFI�RMANCE <br /> (Values calculated in acmrdance with ('haptar 4 - Building Design <br /> by O�npone�t Perfoilriance Approach) <br /> 1) Maintenance Buildin,- <br /> Wall U�= •25 <br /> Roof U�= .OS <br /> Slab U = .i7 <br /> 2) Pcfininistration 13uilding- <br /> Wall U�.= .20 <br /> Ia�of U„= .05 <br /> Slab U = .17 <br /> Wall OTPV = 20.0 <br /> -2- <br />