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INSULATION PHASE <br />• <br />• <br />• <br />• <br />• <br />• <br />• <br />� <br />Exterior slab on grade ineulallon, : <br />R- for calculaMd options. <br />17. Exterior below grade wall inaulaHa <br />R- �� � � for calculaMd opdons. <br />18. Exterior slab or <br />R-70 <br />for <br />�' , <br />use. <br />19. Walls, including rim joists, shall be insulated without compression according to s <br />Prescriptive Option or calculations to R- ��, I 9 , <br />20. Interior below grade walls shall be insulated w?tliout compression to R- N/A <br />21. Skylight walle shall be insulabed withoat comvression to the wall R-value. — <br />22 Vaulted ceilings shall be insulated without compression to R- '.f f� . <br />23. Vapor retarders shall be installed toward the warm surfece as represented below (502.1.6): <br />Select one oplion for flo�rs, walls, and appropriate ceilings; � Fl <br />Floore � Plywood w/exterior glue � Poly (2 4 Mil) / � Backed batts <br />Walls � Poly plastic ((Z 4 Mil) � Face-stapled, backed batts � L.ow-perm paint <br />Ceilings � Not required whece ventilation space averages 212" above insulation. <br />0 Face-sta led backed batts � Poly plastic (Z 4 Mil) 0 Low-uerm vein <br />� ' Q 24. <br />� I � 25• <br />syetem efficiency and siz <br />met es <br />Heat pump efficiency, as listed in th e ARI directory, shall be met as <br />0 Split system, air source heat puQip: HSPF 2 6.8, COP 2 3.0 <br />� Single package, air source heap pump: HSPF 2 6.6, COP Z 3.0 <br />� Water source heat pump: COP 2 3.8. <br />� Ground source heat um : COP Z S,0 <br />Q I Q 26. Central cambueHon heaHng eyetem AFUE rating, as listed in the GAMA Direclory, shall be: <br />0 2.78 (Med. Prescripdve Options k Chap 5 Calculation) � 2.88 (High Efficiency Options) <br />O z.74 (Low Efficiencv Ootionsl � ��}127 (ea tfar RvnFama Anslwia C)nsliRri/inn' <br />Q Q 27• Noncentral combuetlon heating syatema shall have intermittent ignition. <br />� � 28• Maximum heaHng syatem output (150% of design heat load) is KW or B'?'IJ/hr. <br />Q Q 29. High efficiency foned-air fumace (5 56,000 BT'U/hr output) may exceed the Desigr; Heat Load <br />(DHL). GAMA listed AFL1E is t7R + 1 per each 5000 B1'Ci/hr output that it exceeds �:ie DHL. <br />Heating system requirements will be met with the following system (S.503.4.1.1): <br />Mfg Model N <br />Max. output KW or BTU/hr. <br />_ TYpe HSPF_ an$/orCOP <br />�ys�� g. r-„r�,�.��.. , wr-.sco zz,saE <br />WSEC Iruulation Phase Requiremenfs: <br />