TITLE 77: PUBLIC HEALTH
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SUBCHAPTER q: MOBILE HOMES
PART 870 MANUFACTURED HOME INSTALLATION CODE
SECTION 870.TABLE D FOOTING AREAS REQUIRED FOR SOIL'S LOAD-BEARING CAPACITY - DESIGN ROOF LOAD 40 POUNDS PER SQUARE FOOT
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SUBCHAPTER q: MOBILE HOMES
PART 870 MANUFACTURED HOME INSTALLATION CODE
SECTION 870.TABLE D FOOTING AREAS REQUIRED FOR SOIL'S LOAD-BEARING CAPACITY - DESIGN ROOF LOAD 40 POUNDS PER SQUARE FOOT
Section 870.TABLE D Footing Areas Required for Soil's Load-Bearing Capacity − Design Roof Load 40 Pounds Per Square Foot
|
Section Width (feet) |
|||||||||
|
12 |
14 |
16 |
12 |
14 |
16 |
12 |
14 |
16 |
|
|
Support Spacing (feet) |
|||||||||
|
6 |
6 |
6 |
8 |
8 |
8 |
10 |
10 |
10 |
|
|
Support Loading (pounds per pier) |
|||||||||
|
3950 |
4650 |
5300 |
5300 |
6150 |
7050 |
6600 |
7700 |
8800* |
|
|
Soil's Load- Bearing Capacity (lbs/ft2) |
Footing Area (square inches) |
||||||||
|
1000 |
569 |
670 |
763 |
763 |
886 |
1015 |
950 |
1109 |
1267 |
|
1500 |
379 |
446 |
509 |
509 |
590 |
677 |
634 |
739 |
845 |
|
2000 |
284 |
335 |
382 |
382 |
443 |
508 |
475 |
554 |
634 |
|
3000 |
190 |
223 |
254 |
254 |
295 |
338 |
317 |
370 |
422 |
|
4000 |
144 |
167 |
191 |
191 |
221 |
254 |
238 |
277 |
317 |
a) First footing centered within 2 feet from end of home.
b)* Individual supports, concrete 8"x8"x16" blocks, shall NOT support loads greater than 8,000 pounds for a single stack and 14,000 pounds for a double stack pier.