HomeMy WebLinkAboutSURVEYS 8.5x11 2020 Deck Specifications 2020 Deck Specifications (Continuedl
• Footings must be a minimum 12"diameter and 42"below • Ledger connected to house with staggered '/z"lag screws/bolts
grade with cardboard tubes.(R403.1)Diamond piers approved. @ 12"o.c. for joist span 14'or less and double lag screws/bolts
• Post/fooring connection shall be a foundation anchor or an @ 12"o.c. for joist spans greater than 14'with proper metal
approved post holder bracket.(R407.3) flashing. Other connectors allowed per manufacturer.
• Post/beam connection shall be an approved post/beam �
• Fastenets (scxews&nails)must be corrosion resistant. Only
connector or solid wood bearing at beam-ends. No Strapp�y�; I��ist hanger nails may be used in joist hangers with all holes
•Wood shall be cedar,redwood,black locust,black walnut,cai F�lled. (Roofing nails are prohibited)
pxeservarive treated wood.(R317) • Special design is req'd for decks attached to house cantilever.
• Guardrails ininiinum 36"above the fuushed deck boards far • Future Porch-posts must be at outer porrion of deck rims,
decks more than 30"above grade. Open guardrails and staix � beam cantilevers are not permitted and larger footings required.
railings shall have intermediate rails spaced so that a 4" sphere � • Lateral loads of decks shall be restrained by attaching bottom
cannot pass through.(R312) Do not notch 4"x 4"postsv a of deck joists to top plate of basement wall at 4 locations.
• Floor joist&Stair stringers spaced at 24"o.c.require cnin 2" `� • Stair Stringer shall be attached to the deck rim with approved
wood decking. Floox joists/stringers spaced at 16"o.c.ma� usr o gah>anized strapping or hangers.
5/4"wood decking. (5/4"decking may be installed diagonall� 1 • Landings:min 36"length and width.
across 16"o.c.joists) Composite decking shall be installed pf•i � • Handrai134"-38"above nosing. 1 1/4"to 2 5/8"cross secrion&
manufacturer's specificarions. continuous. Stairs w/4 or more risers xequire handrail.
• Beams/girders shall not bear on ledger but on sill or top plate • Stairway: cnin. 36"width;10"mih tread,7 '.�a" max rise�tirith
nt�a_rll R<an, ;�,lires shall only occux over center of postso ir���: t��� ;,7�iarion;6'-8"min headroom
w �I �
u� ^ -- _ � � `
� o � �
n I ..--� c , t
` � . .= " ... -� � � y r
tt� G7 �p� � ` -
W - � c. ', t
��,� � _ -'� . . . � I' r- m t F .,
�,� �...- �,V.����jG � t
�� rl �R� f` b
��u� � `'� �` tln���u� � E - E k t-
U � � ��1 � k�� � . ..
r--� co F �y c s 5 != 8
�nt7 __.�., ..._ ..
►-a ��m � � � K � - -' _ Z4,90.60-,q
� ✓) - . -.OU-54�=2!
� .
_. , �
0 �"'r � �' .�1 . . ..__ ...7, ' ����� t t t a' r r t.
4-� � � G � � _�1 o�i2o� ' __ . �' N .
� Q . _ .- � p��ts� � U� � d
� � � @,49 ��+�i ,i
� w � ,�L_ 4 i ' �; H x � 1i
r � �'a d a - _ � ; « � �:d £ ;
� � � S � �
c,.,, � „ i " � � ' , ; �
G �..y � !i y Ca. _ I �. afF'Y�Y 11 .
� E� � ^ a . I � .+...7L= , I E 1 �
V
� O � � ��$ Y�:�� I ' ',, � . I Y f. ' � e -
< �
�" x f � a ::,� r! .._. �--_" -. I L. ' �
a
_- (/ • f� r� ( ! '_'_ .._ :�,,.. . ::
�-1 ���{ ...� �
� W � _— � I � ! t G
� o s. _
�"s k�-1 00 � � 2�a�_ I � § s '
Q, � s g Y I �.; ' i ' �--- � I� .�n �A ,�
-.; U � • i � 'r��r� � i i
x i�,� � .---- � i
� � i i
, � -- � i ,.��„-, • � r----�
, �� 1 I , G .�n.,. I � ''�---�
' � �
� I s ,x � ,_. I sl s� ,.
i 'f � � nu°.�"�I ��F..;r.
� _ '� �*;,` 1
.., .. �- .-a,l �� :
... ..:.. � _
�.t I - _ a I �oS^� � 8
� I Q% �
i --- y���' i ' f - -- � � J I I � �
�- �^ � -- — --�-- � �
.._. � ' � �� Z-S �s ' � -
,�� � n � - �
' � N � _ � -
_ I O� I �, '..
�i I I �
r �
^ ' � ,,I I f j
' 1 I I °
� �}
�. I I �
a a :� � �� F
a �� �
z �- I � •=�3.=
.. L——— —————— � r
4 ' '��� r;'r � 6^'��:
�- m
-_' r� r—_ ','_ '� __� ' ��'�z
, .� _�--- �
�__' 09.�5 � ��:`;
Y I 3.£�,�G.00N I ���o m
�.___
: : � - ._ � �����z
__... _� .
� � ��: