|
� TTa {.j(
<br /> � �� ��� N� � � O ��
<br /> �� � t*�, � 9 .. '� y ���1'�1�>
<br /> . -: }�} : .!. .e' � "
<br /> y. v. gy�
<br /> . _i: 4...y,ay` •r �:`Aw
<br /> . _ � ,. . -,-... . f�
<br /> _
<br /> ____ _
<br /> _'.____'
<br /> ____...___.._—..--.._ _ .
<br /> _.___ 'M:. HC
<br /> -- - � � � �� ,Cunfnrms tn-�
<br /> ! section width. Find the group of rows corresponding to the selected su . I S���:r �»►icss i
<br /> i pport spacing. I �� �J onoins
<br /> The values in the intersecting cells are the loads for the frame, perimeter, and marriage � h
<br /> I �
<br /> Z
<br /> line supports respectively. �.���, ,.• :������
<br /> �-��` ' , "-`� 4.�..
<br /> Loads on supports of a given type (frame, perimeter, or marriage)can be assumed to ' '
<br /> ,,,, w' +y ',r i,' � -
<br /> be equal if support spacing is equal. However, if different su �� � �
<br /> i ' then each support with a different spacing should be calculaped separategy.are used �, 4 «, t��� � ,�;��;. ��� �
<br /> Note the location and load required of each support on the sketch. �` �y' �' �� " r�� '
<br /> < '�'+�n_...�a�Y:->.�l.,, „�
<br /> �.. : , �
<br /> TABLE 7. LOAD ON FRAME AND PERIMETER SUPPORTS FOR HOMES REQUIRING P�RIlVfY �rgL.00}Cf•NG",�'�
<br /> � ' - �
<br /> � �
<br /> � '
<br /> ���� � � "
<br /> � 965 1060 1150 965 1000 1150 965 1060 1150
<br /> � 1190 1360 1550 1475 1670 1900 1760 1985 2250
<br /> � 2055 2475 2560 2520 3020 3480 2990 3570 �1100
<br /> � � 1450 1585 1715 1450 1585 1715 1450 1585 1715
<br /> � 1780 2035 2325 2210 2505 2850 26d0 2975 3375
<br /> _ � 3Q80 3710 4290 3780 4530 5220 4480 5350 6150
<br /> � 1925 2115 2285 1925 2115 2285 1925 2115 2285
<br /> � 2375 2715 3100 2950 3340 3$00 3520 3970 �500
<br /> ; � 4110 4950 5720 5040 6040 6960 5975 7135 8200
<br /> � � 2405 2645 2860 2405 2645 2860 2405 2645 2860 '
<br /> ' � SEE 8FT ROW �
<br /> _ 5EE 8FT ROW SEE 8FT ROW �
<br /> i
<br /> STEP 4. SELECT FOOTING MATERIAL �
<br /> i Select one of the products and materials from Table 8 for the footings. i
<br /> TABLE 8. FOOTING MATERIALS
<br /> � i
<br /> Minimum 6"thick poured-in-place concrete pads,slabs,or ribbons with at least a 28 I
<br /> � , Poured concrete All soil types day compressive strength of 3,000 psi.Cast-in-place concrete footings may also
<br /> j ! require reinforcing steel based on acceptable en ineerin g �
<br /> 9 g practice,the desi n �
<br /> ;� loads,and site specific soil conditions.
<br /> � Minimum 4"thick nominal precast concrete pads meeting or exceeding ASTM C
<br /> � Pre-cast concrete All soil types 90-02a,Standard Specification for Load Bearing Concrete Masonry Units,without
<br /> � reinforcement,with at least a 28-day compressive strength o►2,500 psi.
<br /> O
<br /> �' ' ABS lastic Use in accordance with the pad manufacturer's instructions. Must be certified for �
<br /> J.� ' P Stable soils use in the soil dassification at the site, listed and labeled for the required load ca-
<br /> pacity. ,
<br /> � Proprietary systems Consuit system manufac- :
<br /> r„ turer Consult system manufacturer.
<br /> �
<br /> !l1 �•'� 3,`�v-''q�l°"+R'�4 '+'l�.4� � F"^""_.v,--..r.- " � ,
<br /> l
<br /> ! - � � 4� vi'�4's�.�` ''�'_' a -�+h-."p:.,�V'f .
<br /> .� � t� c,j a g� Wi A +
<br /> �.- � N J' d �� ��„� '1 :c . i
<br /> � ,� ��j� ��- x�<-' ��^ l i V': .:3:� I .
<br /> i � � � � d Y' � 4 I
<br /> � �. t„ .�'���F�w'.�y�;� . ';� ,�,.� , �A���,rari h ��'� �� �:�,+}7 5 x.;
<br /> 6 i
<br /> � 4 ��
<br /> a �s � t °�� � x a� �s. `
<br /> ,: i� ^��,.-?�.". e• f Y yr"`sr� '�r �� a r , 3 i
<br /> I.� � z'� i��� ,�+'., drh,�,.�iyP�!^�,j� �iB�! 1,.�j£ '�rna w�r� � F "�`""°'�(
<br /> (� ` f 7'S �' �. Y �, ..%.<�:,Ir � : � P - � -xt bi DI. a i .
<br /> ,, e a,i 1 +�. �s� x z'��5a`> •�',� �' mj.a� �, �.• s� �, �`-
<br /> (.L' � �, t_�'b 5�- !` .��a �r �,� '�' 9l ,��,!-,�,��sh�,}�l t�`� �+� '����`la' � �
<br /> � � � ' t������ a � t e ���f-0iAa ;�,����r �i � �') �y!���c.'��1�1,�'�i����yll 1 � � � �� .�
<br /> �'.`�� o '� ,�1 � �y� - � �P e�., ,� �F -��'-r �. � �
<br /> � � a g�.�. . � A� ! Ix _ �V C � ��� � .
<br /> � """Y``�� ���"`�r �� Frost protection. When se-
<br /> S � .�.,...,-��. y,_. . . , _., � .. �a�;: ,�... _.�..:�:�,..w.,y.1 , �,
<br /> Q �TEP 5. �lZE FOQTINGS lecting footing materials:
<br /> bear in mind the need for
<br /> Gnce the load on the footing and the soil-hea�ing capa�ity are kno�am, calculate the frr,st protection PJot all foof-
<br /> ing materials are suitable
<br /> ; � � , ,-_�,. _ � �
<br /> - � � ��� .��� �� ��
<br /> +'��� �
<br />
|