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All�vhole housc ventilation requir�mcn�s��s dcCenniil�dby 0.5 <br /> � Sectio�i�M1508 of the Wasl�igton State�Residenual Code <br /> shall be met���ith a l�eat recoverg ventilation system in ' <br /> accordance���itli Scction M1�08:7 of that Codc. <br /> 4b ADDITIONAL AIR LEAKAGE CONTROL AND <br /> ��� EFFICIENT VENTILATION:'�� �� � �� � <br /> Envelope leakabe redticed to SLA of 0.�0015 building 1'' <br /> an d <br /> �� All wl�ole house ventilalion re uircinents as determined by <br /> Sa EFFICiENT WATE�R HEATTNG:� <br /> Watcn c�aling systcro shall includc onc of thc following: <br /> � Gas,prop�inc or oil ti�aten c�atcr����lrilh a mirumum EF�'of � � �� <br /> dr <br /> � ���� Elcctric WatcrHeatcr�vith a mini[num EF of.93�. ���0.5 <br /> sind for both cxscs <br /> � � All sho���cnc�ad and kitchen sink faucets installed in the <br /> � liouse sltall mect bc rated at 1.75 GPM or less. All othcr � �� � � <br /> �� lavaton�faucets shall be rated at�1.0 GPM or less.` ����� �� �� �� � <br /> Sb ' FITGH EFFICIENCY WATER HEATING:''' <br /> Water lie�ting s��stein sliall include one of the follo�ving: <br /> : Gas,propaiie or oil water lieater'with a minimum EF of, <br /> or <br /> Solar«ater heating supplementing a mini�nuni standard <br /> �i ater lteater,' Solar�•ater heating will pro��idc a rated �� 1.5 <br /> � �ninimum savings of 85 thcrms or20����'kWh bascd on�lic � ' � <br /> Solar'Rating and Ccriification Corporation(SRGC)Annual <br /> Pcrforn�ai�cc of OG-300 Ccrlified Solar Water Heating <br /> Sy°stems. <br /> O I' <br /> � Elcctric heaf um �vater heater�with a tn�iiununn EF of 2.0. <br /> 6 SMALL DWELLIIVG UNiT 1:� <br /> D�velling units less than]500 squarc feet in�tloor area with <br /> �� � � less tllan 300'�square��feet of window�������.+door area. Additious 1 �� <br /> � � to exisCing building�thz�t�are less than�750 square fcet of <br /> heated floor area. <br /> 7 LARGE DVVELLI1vG UNTT l;' <br /> D«�elling units eaceeding 5000 square feet of tloor area shall _� � <br /> � � be assessed a deduction for purposes of�complying�ti�itli� �� �� � <br /> Section 9�1 of tlus Code:' <br /> ' $ RENEWABLE ELECTRIC ENERGY: <br /> For each 1200 kWh of electrical����generationprovided : <br /> annually by on-site�ind or solar equipmcnt a 0.5 credit � � <br /> sliall be allo��°ed,up to 3 credits. Generation shall be <br /> calculated as'follo��s: <br /> �� � �� � For solar electric''sy�stems, 11ie design sriall be demonstrated �� �� <br /> � to meet tlus requirement using the National Renewable�����' � �� �� � <br /> � Ener��Laboratory calculat�or PVWATTs. Docunient�rtion �` � � � � <br /> noting solar access slkill be included on the plans. 0.5 <br /> ,1 � <br /> ) 1: <br /> WSEC Prescriptive Worksheet (2010 Edition) WSUEP10-010 Copyright 2010 ,;�+, <br /> ; <br />