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<br /> ��a����.�hapter 8s>Prescriptiue�;C3�ffu(nsYar`�kal�°xR Occup�it�cies��;�,�.���r�`��
<br /> ��,-�"���'�'��a .a. : .::: ..: ,. � ��� '
<br /> n s�,�,� � Ete�t suarce Elecrria`��xae�tt�eaC umps) .�
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<br /> ��
<br /> Instructlons:
<br /> ; 1) Carelulty review the requirements of each ot the options below. Choose an optlon that besi suits your
<br /> ;j dwelling design. Glazing percentage rypically determines which option to choose. Your buiiding musf match the �_�
<br /> � selecfed Optron requirements wifhout exceptions orsubsiitufions. :
<br /> .� . �
<br /> 2) In the shaded areas on the p2ges that/ollow, make checks in the circfes next to the requirements of your
<br /> Option (the Optron numbers are in paretheses next to the choices). Disregard components or equipment that
<br /> don't appfy to your p�oject. Your permit will be processed more elficrently if you provide all 01 the requested
<br /> information. Department staf!can help you with genera/questlons about this (orm. �,;
<br /> �
<br /> ;
<br /> Can't complyl if none ol the Chapter 6 Options are acceptable, consider the Chapter 5. Component .
<br /> pe�formanca, Approach. The main advantage is fiexibilfty to juggle individual R and U-values as/ong as a n ��;
<br /> overall maximum value isn't exceeded. Note that the overall thermal requirements o(Chapter 5 are no less ;;�;
<br /> stringent than Chapter 6. Calculations may be perfarmed with a Chapter 5, Component Performance ,,A
<br /> Worksheet, orby using an acceptabfe computerprogram such as WATTSUN 5.L ��
<br /> �a.�, s. .. :_ , ,. .ai'� z. `y�.i ��"a`"`�c� <:.\f..�.u�"�aw�'.Y,'�a:aax:;>�n���':..Y:�`27���.....�»��..A'A':'S^ �.»�i..?�;.:. '�".',
<br /> ��.�" `��,�.���k' .. . PT VII PT VIII�:
<br /> _ �����.� ��.'�'" z OPT I OPT II OPT III OPT IV OPT V OPT VI �,ssm�� t•2srd..� �:
<br /> Ptan Rev('ew ' ����������� � p Q O O �
<br /> ��:1,' �3u,",'�.:a�.l� , � O .
<br /> (Fo��olfic�aluseonly� � ; ; � .; �; �
<br /> � > " Glazing max :
<br /> �he sefected�Qpt(on fs ' %o!Iloor 10%0 > 12% 12% ',. 15% t8% : 21% 25°!0"; 30% &�
<br /> ' ' ` U-value Z 0.46 ; 0.43 U 40 ;; 0.40 0 3s ,' 0.36 �0 35�' 0.32 �
<br /> :. <
<br /> appropnate tbr th�s '`
<br /> ; dwellCng design� : �, � ��
<br /> � DoorU-value G40 � 0.20 040 ; 0.20 Q.20 : 020 02U 0.20
<br /> ; , �Q � ' ; ,; (or R-value) (R-2 5}: (R-5) �R 2 5}'; (R-5) (R 5},: (R 5) (R.5j , (R 5) e
<br /> � �. � y
<br /> �Option—maybe a Ceitings: ' : ' �
<br /> betierChoice: ,<� with attics R.ag R-38 A-38< ; R-38 F 38 ; R 38 R 3B R-38 .
<br /> „ ,; , �; vaulted R=30;rr R-30 Fi 30,:�: R-30 R•3Q R 30 R-30� R-30 ?.
<br /> Nofes : ! � �
<br /> � ` ; Walis: ` ' �
<br /> ,sh�- �;; ebove grade A_2� '; R-19 R 21•,". R-19 P 21 � R 21 R t3 ; R-19 '
<br /> ,� ,� « z' below grade :. , ' .
<br /> � Y s � interior Fi 21;� R-19 Ft?1= :: R-19 Fi 21 R 21 R 2t j R-21 .`
<br /> '=' : s �' & °� exterior R�Qx� R-10 A 16. ; R-10 `R tQ. R 70 ;R 1Q : R-10
<br /> u.> � � .
<br /> � �
<br /> � : ` ��; ' x ': . "
<br /> ` :� Floor R 30 : R-30 F 3U ; R-30 Fl 3Q R 3Q \`fi-3Q R-30 ;�
<br /> 3� : a ` � �; ;- `' �%
<br /> �r �; , � Slab on grade R-tO � R-10 A 10 ,; R-10 R t0 ; R-10 'R iQ; R-10
<br /> �, a ::, � I =.
<br /> ,A rovedb • ....�-.., „ ., m .•.�.�.....,....a.._.........�.,.,..�, , .. . . - . . -
<br /> ..__, _ �_._... ..,.�,
<br /> ,FP Y .�,-��.�r,,...�.�.°�... �
<br /> � Footnote: ' �
<br /> � 1) RS fo�m eheating raquirad In addltlon to R19 cavlry InaulaUon.
<br /> �-:
<br /> Oate �� �
<br /> m,, 2) Glazlnp U•values m�y 6�wdpht�d to meel th� Optlon U vdus nqu�remenl
<br /> �
<br /> ° +.e- z �. c � ..:i�... .Z�.��.: `'a"`.+,�.' t�.i....x„�..,..`,,... saS�nrr:.':_�<a�:.�:..:�'u'�� u.sa%''
<br /> �*:°'•, .':�, . Page 1 of 6
<br /> WEESNORADNuna�,1991
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