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§ 1335.5. Load Bearing Support Systems Without Manufacturer's Installation Instructions.

25 CA ADC § 1335.5Barclays Official California Code of Regulations

Barclays California Code of Regulations
Title 25. Housing and Community Development
Division 1. Housing and Community Development
Chapter 2. Mobilehome Parks and Installations
Article 7. MH-Unit and Commercial Modular Installations and Facilities
25 CCR § 1335.5
§ 1335.5. Load Bearing Support Systems Without Manufacturer's Installation Instructions.
Currentness
(a) MH-units manufactured prior to October 7, 1973, or MH-units for which the manufacturer's installation instructions are unobtainable, shall be supported in accordance with this subsection or on a foundation system in accordance with section 18551 of the Health and Safety Code. MH-units installed in areas exceeding a thirty (30)-pound roof live load, or to different requirements than prescribed in this section, shall have support systems designed and approved by an architect or engineer. The MH-unit shall be supported as follows:
(1) Main chassis beam supports spaced not more than six (6) feet apart longitudinally, as determined from table 1335.5-1,
(2) Ridge beam support systems as determined from table 1335.5-2, and
(3) wall supports under each end of a side wall opening that is forty-eight (48) inches or more in width, and under the perimeter walls at eight (8) foot intervals with footing sizes not less than two hundred seventy-five (275) square inches.
TABLE 1335.5-1
MH-unit Section Widths
Width of MH-unit Section
Footing Area
8 ft. wide
175 sq. in.
10 ft. wide
217 sq. in.
12 ft. wide
259 sq. in.
14 ft. wide
303 sq. in.
16 ft. wide
346 sq. in.
TABLE 1335.5-2
Span in feet
Unit Section Width
Between
10 Foot
12 Foot
14 Foot
16 Foot
Ridge Beam Locations
Load in Pounds Per Square Foot
Up to 5
1250
1500
1750
2000
6
1500
1800
2100
2400
7
1750
2100
2450
2800
8
2000
2400
2800
3200
9
2250
2700
3150
3600
10
2500
3000
3500
4000
11
2750
3300
3850
4400
12
3000
3600
4200
4800
13
3250
3900
4550
5200
14
3500
4200
4900
5600
15
3750
4500
5250
6000
16
4000
4800
5600
6400
17
4250
5100
5950
6800
18
4500
5400
6300
7200
19
4750
5700
6650
7600
20
5000
6000
7000
8000
21
5250
6300
7350
8400
22
5500
6600
7700
8800
23
5750
6900
8050
9200
24
6000
7200
8400
9600
25
6250
7500
8750
10000
(b) Multi-section homes manufactured prior to October 7, 1973 or multi-section homes for which the manufacturer's installation instructions are unobtainable, shall be interconnected as designed and approved by an architect or engineer or as follows:
(1) Floor connections shall be made with a three-eighths ( ⅜ ) inch diameter lag bolt or equivalent, of a length sufficient to ensure a tight connection as determined by the enforcement agency at the time of inspection. The lag bolts shall be installed twenty-four (24) inches on center. The lag bolts shall be staggered on alternating sides located where the multi-section floor lines meet.
(2) Roof connections shall be made with a three-eights ( ⅜ ) inch diameter lag bolt or equivalent, of length sufficient to ensure a tight connection as determined by the enforcement agency at the time of inspection. The lag bolts or equivalent shall be installed twenty-four (24) inches on center. The lag bolts shall be staggered on alternating sides where the multi-section rooflines meet.
(3) End wall connections shall be made with a number eight (8) screw or equivalent, of length sufficient to ensure a tight connection as determined by the enforcement agency at the time of inspection. The screws shall be installed eighteen (18) inches on center. The screws shall be staggered on alternating sides where the multi-section end walls meet.

Credits

Note: Authority cited: Section 18300 and 18613, Health and Safety Code. Reference: Section 18613, Health and Safety Code.
History
1. Renumbering and amendment of former section 1342 to new section 1335.5 filed 9-8-94 as an emergency; operative 9-19-94 (Register 94, No. 36). A Certificate of Compliance must be transmitted to OAL by 1-17-95 or emergency language will be repealed by operation of law on the following day.
2. Renumbering and amendment of former section 1342 to new section 1335.5 and amendment of Note refiled 1-18-95 as an emergency; operative 1-17-95 (Register 95, No. 3). A Certificate of Compliance must be transmitted to OAL by 5-17-95 or emergency language will be repealed by operation of law on the following day.
3. Certificate of Compliance as to 1-18-95 order transmitted to OAL 3-31-95 and filed 5-12-95 (Register 95, No. 19).
4. Amendment of section heading, section and Note filed 7-6-2004; operative 7-6-2004 pursuant to Government Code section 11343.4 (Register 2004, No. 28).
5. Amendment of section heading and amendment of Table 1335.5-1 within subsection (a)(3) filed 2-19-2013; operative 4-1-2013 (Register 2013, No. 8).
This database is current through 5/17/24 Register 2024, No. 20.
Cal. Admin. Code tit. 25, § 1335.5, 25 CA ADC § 1335.5
End of Document