TITLE 77: PUBLIC HEALTH
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SUBCHAPTER q: MOBILE HOMES
PART 870
MANUFACTURED HOME INSTALLATION CODE
SECTION 870.10 DEFINITIONS
Section 870.10 Definitions
For purposes of this Part, the
following terms have the meanings ascribed in this Section.
"Accessory
structure" means a structure such as a shed, garage, carport, deck or
porch on a manufactured home site.
"Anchor"
means any device used for securing the manufactured home to the foundation
system or ground.
"Anchoring
equipment" means bolts, straps, cables, turnbuckles, and chains, including
tensioning devices, that are used with ties to secure a manufactured home to
ground anchors or the foundation system.
"Anchoring
system" means any method used for securing the manufactured home to a
foundation system or the ground.
"Department"
means the Illinois Department of Public Health. [430 ILCS 117/10]
"Footing"
means that portion of the support system that transmits loads directly to the
soil.
"Foundation
system" is a support system that transfers design loads into the
underlying ground. Examples of acceptable foundation systems include, but are
not limited to, a floating support system consisting of concrete runners under
each frame I-beam, or a concrete pad that extends beneath the entire home and
is at least 3½" thick, or individual footing designed to support the home.
"Frost
depth" means the depth of frost penetration into the soil.
"Frost
heave" is an uplift of ground or pavement caused by freezing of moist
soil.
"Ground
anchor" means any device at the manufactured home installation site
designed to transfer manufactured home anchoring loads to the ground.
"Independent
testing laboratory" is an organization that:
Primarily is
interested in testing and evaluating equipment; and
Is qualified and equipped to
conduct and evaluate experimental testing in accordance with approved
standards; and
Makes available a published report
in which specific information is included stating that the equipment and
installations have been tested and found safe for use in a specific manner; and
Is not under the jurisdiction or
control of any manufacturer or supplier of any industry.
"Installation"
means assembly, at the site of occupancy, of all portions of the manufactured
home, connection of the manufactured home to utilities, and installation of
support and anchoring systems.
"Installation
certificate of compliance" means the certificate provided by the
Department that is completed by the licensed manufactured home installer, which
certifies that the manufactured home installation complies with this Part.
"Installation
instructions" means those instructions provided by the manufacturer
detailing the manufacturer's requirements for supports, anchoring system
attachments and utility connections.
"Installation
seal" means a sticker issued by the Department to a licensed manufactured
home installer to be displayed on the manufactured home to indicate compliance
with the Department's rules pertaining to manufactured home installation.
"Installers
Act" means the Illinois Manufactured Home Installers Act [430 ILCS 120].
"Length of
manufactured home" is the distance from the exterior of the front wall
(nearest to the drawbar and coupling mechanism) to the exterior of the rear
wall (at the opposite end of the home) where such walls enclose living or other
interior space and such distance includes expandable rooms but not bay windows,
porches, drawbars, couplings, hitches, or other attachments.
"Licensed
manufactured home installer" means a person who has successfully
completed a manufactured home installation course approved by the Illinois
Department of Public Health, paid the license fee and been issued a
current license. [430 ILCS 117/10]
"Manufactured
home" is synonymous with "mobile home" and means a structure
that is a factory-assembled, completely integrated structure designed for
permanent habitation, with a permanent chassis and so constructed as to permit
its transport, on wheels temporarily or permanently attached to its frame, from
the place of its construction to the location, or subsequent locations, at
which it is placed on a support system for use as a permanent habitation, and
designed and situated so as to permit its occupancy as a dwelling place for one
or more persons; provided, that any such structure resting wholly on a
permanent foundation, as defined in this Part, shall not be construed as
a mobile home or manufactured home. The term "manufactured home"
includes manufactured homes constructed after June
30, 1976 in accordance with the federal National Manufactured Housing
Construction and Safety Standards Act of 1974 and does not include an immobilized
mobile home as defined in Section 2.10 of the Mobile Home Park Act. [430
ILCS 117/10]
"Manufacturer"
means a manufacturer of a manufactured home whether the manufacturer is located
within or outside the State of Illinois. [430 ILCS 117/10]
"Minimum
frost depth" means 35 inches, except in those areas where local ordinance
establishes a different frost depth.
"On-site"
means the physical presence of the licensed manufactured home installer at the
installation site of a manufactured home.
"Permanent
foundation" is a continuous perimeter foundation of material, such as
mortared concrete block, mortared brick, or concrete, that extends into the
ground below the established frost depth and to which the home is secured with
foundation bolts at least one-half inch in diameter, spaced at intervals of no
more than 6 feet and within one foot of the corners, and embedded at least 7
inches into concrete foundations or 15 inches into block foundations. [430
ILCS 117/10]
"Piers"
means that portion of the support system between the footing and the
manufactured home, exclusive of shims. Types of piers include concrete
blocks, manufactured steel stands, and manufactured concrete stands.
"Site"
is a parcel of land for the accommodation of a manufactured home.
"Stabilizing
device" means a device or provision made to minimize the deflection or
slicing through the soil by a ground anchor rod at ground level.
"Support
system" means a combination of footings, piers and shims designed to
support the home when properly installed.
"Tie"
means a strap, cable, or securing device used to connect the manufactured home
to the anchors.
"Tiedown
Act" means the Illinois Mobile Home Tiedown Act [210 ILCS 120].
"Tiedown
manufacturer" is any person or business engaged in the manufacturing of
tiedown equipment that is offered for sale or use in this State.
"Training
hour" means at least 50 minutes of actual teaching, including time devoted
to lecture, learning activities, small group activities, demonstrations,
evaluations and/or practical, hands-on instruction.
 | TITLE 77: PUBLIC HEALTH
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SUBCHAPTER q: MOBILE HOMES
PART 870
MANUFACTURED HOME INSTALLATION CODE
SECTION 870.20 INCORPORATED AND REFERENCED MATERIALS
Section 870.20 Incorporated and Referenced Materials
a) The following standards
and regulations are incorporated in this Part:
1) Regulations
of federal agencies:
A) United
States Department of Transportation, Office of Pipeline Safety
400
7th Street, S.W.
Washington, DC 20590
Transportation of Natural and
Other Gas by Pipeline: Minimum Federal Safety Standards (49 CFR 192; October
1, 2021)
B) United
States Department of Housing and Urban Development
451 N. 7th Street
Washington, DC 20410
Manufactured Home Construction
and Safety Standards (24 CFR 3280; April
1, 2004)
2) Standards
of a nationally or internationally recognized organization:
A) National
Fire Protection Association
1 Batterymarch Park
P.O. Box 9101
Quincy, MA 02269-9101
i) National
Electrical Code, 2017 Edition (NFPA 70)
ii) Standards
for the Installation of Oil Burning Equipment, 2020 Edition (NFPA 31)
iii) National
Fuel Gas Code, 2021 Edition (NFPA 54-21)
iv) Standard
for the Storage and Handling of Liquified Petroleum Gases, 1998 Edition (NFPA
58-98)
B) American
Wood-Preservers' Association
P.O. Box 5690
Granbury, TX 76049
AWPA C22-03 Standard: Lumber and
Plywood for Permanent Wood Foundations – Preservative Treatment by Pressure
Processes (2003)
C) American
Society for Testing and Materials
100 Barr Harbor Drive
West Conshohocken, PA 19428
i) ASTM
A 254-97 Standard Specification for Copper-Braized Steel Tubing (2002)
ii) ASTM
C 90-03 Standard Specification for Load-Bearing Concrete Masonry Units (2003)
iii) ASTM
D 2513-04A Standard Specification for Thermoplastic Gas Pressure Pipe, Tubing
and Fittings (2003)
iv) ASTM
D 3953-91 Standard Specification for Strapping, Flat Steel and Seals (2003)
b) All
incorporations by reference of federal regulations and the standards of
nationally recognized organizations refer to the regulations and standards on
the date specified and do not include any additions or deletions subsequent to
the date specified.
c) The following standards,
regulations and laws are referenced in this Part:
1) Rules
of the Illinois Department of Public Health:
A) Manufactured Home
Community Code (77 Ill. Adm. Code 860)
B) Illinois Plumbing Code
(77 Ill. Adm. Code 890)
C) Plumbers Licensing Code
(68 Ill. Adm. Code 750)
D) Plumbing Contractor
Registration Code (77 Ill. Adm. Code 894)
2) State
of Illinois statutes:
A) Mobile Home
Park Act [210 ILCS 115]
B) Illinois Mobile Home
Tiedown Act [210 ILCS 120]
C) Illinois Plumbing
License Law [225 ILCS 320]
D) Manufactured Home
Quality Assurance Act [430 ILCS 117]
E) Illinois Manufactured
Home Installers Act [430 ILCS 120]
(Source: Amended at 47 Ill. Reg. 5231,
effective March 21, 2023)
| TITLE 77: PUBLIC HEALTH
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SUBCHAPTER q: MOBILE HOMES
PART 870
MANUFACTURED HOME INSTALLATION CODE
SECTION 870.30 ACCREDITATION OF MANUFACTURED HOME INSTALLER COURSE
Section 870.30 Accreditation of Manufactured Home
Installer Course
a) An
entity that offers or plans to offer a manufactured home installer course shall
obtain Department accreditation for the course by submitting to the Department
in writing the following information at least 60 days before the beginning of
the course:
1) The
name, address and telephone number, and the name of a contact person, for the
entity providing the course.
2) The
course location and written documentation that the course provides facilities
of sufficient size to accommodate the maximum enrollment of the course for classroom
and hands-on field training.
3) Beginning
and ending dates for the course.
4) A
course schedule and syllabus.
5) Student
and instructor manuals for the course.
6) Documentation
of a principal instructor who shall be responsible for the organization of the
course and oversight of the teaching of all course material. Guest instructors
may be utilized as needed to provide instruction specific to the lecture,
hands-on activities, or work practice components of a course. The principal
instructor shall have the following qualifications:
A) at
least two years of post high school education in building construction
technology; or
B) two
years of experience in managing a training program specializing in the
installation of manufactured homes.
7) A
final examination for the course that includes criteria for pass/fail. The
course must require at least 70% correct on the final examination as a passing
score.
8) An
example of the certificate of course completion that includes the following
information:
A) the
name, address, and telephone number of the entity providing the course;
B) the
name, dates of attendance at course, and indication of pass/fail for the
student to whom the certificate is issued.
b) The
Department shall provide written notice via certified mail to the course
sponsor whether the request for accreditation has been approved.
c) For
requests that are not approved, the Department's notification will include the
reason for disapproval and notice that the course sponsor shall have 10 days to
submit a written request for an administrative hearing to contest the
Department's decision. In lieu of a request for hearing, the course sponsor
may submit a revised request for accreditation in which items noted to be
incomplete in the initial request are completed.
d) The
Department shall maintain and make available to the public a list of approved
course sponsors.
| TITLE 77: PUBLIC HEALTH
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SUBCHAPTER q: MOBILE HOMES
PART 870
MANUFACTURED HOME INSTALLATION CODE
SECTION 870.40 RESPONSIBILITIES OF ENTITIES OFFERING ACCREDITED MANUFACTURED HOME INSTALLER COURSES
Section 870.40 Responsibilities of Entities Offering
Accredited Manufactured Home Installer Courses
a) The
entity offering an accredited training course shall be responsible for
maintaining training course records and making such records available to the
Department as necessary.
1) Course
records shall be retained at the address specified on the approved training
program accreditation application for a minimum of 3 years.
2) The
entity shall notify the Department in writing within 30 days after changing the
address specified on the training course accreditation application or
transferring records to a new address.
3) The
Department shall have the authority to enter, inspect and audit training
facilities and to examine records to determine compliance with the Act and this
Part.
b) Training course records
that shall be maintained include the following:
1) All
documents that demonstrate the qualifications of the principal instructor, as
specified in Section 870.30(a)(6).
2) Current
curriculum/course materials and documents reflecting any changes made to these
materials.
3) A copy
of the course final examination.
4) Results
of the course final examination and a record of each certified installer's
course completion.
5) Any
other materials specified in Section 870.30 that have been submitted to the
Department as part of the program approval.
c) Entities
offering accredited courses shall submit to the Department a list of installers
completing a course within 30 days after course completion.
| TITLE 77: PUBLIC HEALTH
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SUBCHAPTER q: MOBILE HOMES
PART 870
MANUFACTURED HOME INSTALLATION CODE
SECTION 870.50 REQUIREMENTS FOR ACCREDITED MANUFACTURED HOME INSTALLER COURSE CURRICULUM
Section 870.50 Requirements for Accredited Manufactured
Home Installer Course Curriculum
Each accredited manufactured home installer course shall
provide in class or online instruction on how to install a manufactured home to
the specifications of the manufacturer, review Subpart D of this Part for
homes without manufacturer specifications, and test the written and
practical installation skills of the individual installer (Section 15 of
the Installers Act). Each course shall consist of at least 10 training hours
that include the following topics:
a) The
installer's responsibility to obtain a copy of the home manufacturer's setup
manual to ensure proper setup of the home in accordance with the home's
warranty.
b) The
inspection of the proposed site of the home prior to setup to ensure proper
location.
c) Ensuring
that the proposed site has drainage away from the home, vegetation cleared from
under the home, and vapor barriers provided.
d) Support
of the home by a foundation system in accordance with the design loads of the
home, the existing soil load bearing capacity of the home location, the
Illinois Mobile Home Park Act, the Manufactured Home Community Code (77 Ill.
Adm. Code 860), and local authority requirements.
e) Safety considerations
for the setup of a home.
f) Proper
leveling of the home and placement of piers or foundation walls in accordance
with the home manufacturer's specifications.
g) Proper
anchoring in accordance with the Tiedown Act and Subpart E of this Part.
h) The
installation of the plumbing for the home in accordance with the Illinois
Plumbing License Law and the Illinois Plumbing Code.
i) The
installation of the electrical system for the home in compliance with the
National Electrical Code.
j) The
installation of the gas or oil utilities for the home in compliance with the
requirements of the Installation of Oil Burning Equipment, National Fuel Gas
Code Standard for the Storage and Handling of Liquified Petroleum Gas Code, and
the Transportation of Natural and Other Gas by Pipeline: Minimum Federal
Safety Standards.
(Source: Amended at 47 Ill. Reg. 5231,
effective March 21, 2023)
| TITLE 77: PUBLIC HEALTH
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SUBCHAPTER q: MOBILE HOMES
PART 870
MANUFACTURED HOME INSTALLATION CODE
SECTION 870.55 RECIPROCITY
Section
870.55 Reciprocity
The Department may grant approval of a training program of
another state that is determined to be equivalent to the requirements of
Subpart B of this Part. Individuals must obtain an Illinois license.
Installers who have completed a training course that has reciprocity with
Illinois must also obtain an Illinois license, but need not complete an
examination.
| TITLE 77: PUBLIC HEALTH
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SUBCHAPTER q: MOBILE HOMES
PART 870
MANUFACTURED HOME INSTALLATION CODE
SECTION 870.60 REVOCATION OF ACCREDITATION
Section 870.60 Revocation of Accreditation
The Department shall provide written notice via certified
mail to the course sponsor of its decision to revoke, for a period not
exceeding 6 months, the course sponsor's accreditation. The course sponsor
shall have 10 days to submit a written request for an administrative hearing to
contest the Department's decision. The Department's decision to revoke a
course sponsor's accreditation shall be based upon a course sponsor's violation
of the Manufactured Home Quality Assurance Act or this Part. Notice and
opportunity for an administrative hearing shall conform to the provisions of
Section 870.240.
(Source: Amended at 47 Ill. Reg. 5231,
effective March 21, 2023)
| TITLE 77: PUBLIC HEALTH
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SUBCHAPTER q: MOBILE HOMES
PART 870
MANUFACTURED HOME INSTALLATION CODE
SECTION 870.65 REQUIREMENTS FOR MANUFACTURED HOME INSTALLERS LICENSE
Section 870.65 Requirements for Manufactured Home
Installers License
a) To
qualify for a license as a manufactured home installer, an applicant shall meet
the following requirements:
1) Be at
least 18 years of age;
2) Complete
a Department-approved manufactured home installer course and pass the
examination administered at the conclusion of the course, or complete a course
offered by another state that has been granted reciprocal approval in
accordance with Section 870.55;
3) Submit
the completed application form provided by the Department;
4) Submit
a 1 inch by 1 inch head and shoulder current photo of the license applicant;
5) Submit
the required license application fee of $150.
b) A
licensed manufactured home installer must provide proof of licensure at the
installation site when requested by a Department representative.
c) A
licensed manufactured home installer is not exempt from the requirements of the
Illinois Plumbing License Law.
| TITLE 77: PUBLIC HEALTH
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SUBCHAPTER q: MOBILE HOMES
PART 870
MANUFACTURED HOME INSTALLATION CODE
SECTION 870.70 CONTINUING EDUCATION
Section
870.70 Continuing Education
Effective March 1, 2023, the licensed manufactured home installers
who also hold a current Department of Housing and Urban Development (HUD)
installer's license must accumulate 3 hours of Illinois specific training
approved by the Department on or before the date their HUD continuing education
training is due after January 1, 2025 (HUD License Renewal Date). Licensed
manufactured home installers without a current HUD license must accumulate 3
hours of Illinois specific training every three years of licensure staring
January 1, 2024. The Illinois specific training is required to be eligible for
license renewal. Continuing education training must comply with Sections 870.30
and 870.40 with the exception that an exam is not required.
(Source: Amended at 47 Ill. Reg. 5231,
effective March 21, 2023)
| TITLE 77: PUBLIC HEALTH
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SUBCHAPTER q: MOBILE HOMES
PART 870
MANUFACTURED HOME INSTALLATION CODE
SECTION 870.80 INSTALLATION SEALS AND COMPLIANCE CERTIFICATES
Section 870.80 Installation Seals and Compliance
Certificates
a) The
licensed installer who installs the support system for each home must purchase
from the Department installation seals and installation compliance certificates
for all homes to be installed in Illinois after December 31, 2001. A $25 check
or money order payable to the Illinois Department of Public Health shall be
submitted to the Illinois Department of Public Health, Division of
Environmental Health, 525 West Jefferson, Springfield, Illinois 62761.
Multiple seals and certificates of compliance may be purchased. The seals and
compliance certificates may be purchased only by a licensed installer.
b) Location
of Seal. The installation seal must be placed directly above the HUD label
upon completion of the installation of the home by the installer responsible
for the support system for the home. In the event there is no HUD label on the
home, the seal shall be placed where the HUD label would normally be. When a
home with an installation seal is relocated, the original installation seal
shall be removed or covered with the new installation seal.
c) Installation Compliance
Certificate
1) The
licensed manufactured home installer shall complete the installation compliance
certificate within 30 days after the date of the installation. The installer
shall mail copies of the completed certificate, via certified mail, to: the
Department, the dealer, the homeowner, and the owner/operator of the licensed
manufactured home community, if the home is installed in a community.
2) The
installation compliance certificate shall contain the following information:
A) Name
and address of the licensed installer.
B) Installer's
license number.
C) Name of
manufacturer.
D) Manufacturer's
serial number.
E) Home
owner's name and address, if available.
F) Installation
date.
G) Number
of the installation seal that was affixed to the home.
d) Lost
or Damaged Installation Seals or Compliance Certificates. If a seal or
compliance certificate becomes lost or damaged, the Department shall
immediately be notified in writing by the installer. If possible, the assigned
number shall be indicated. All damaged seals or compliance certificates or
those unused from an installer who ceases business in Illinois shall be
returned to the Department. No refund will be granted.
e) Partially
Completed Compliance Certificates. The licensed installer shall be responsible
for completing as much information on the compliance certificates as is known
prior to submitting the form to the Department, dealer and homeowner.
| TITLE 77: PUBLIC HEALTH
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SUBCHAPTER q: MOBILE HOMES
PART 870
MANUFACTURED HOME INSTALLATION CODE
SECTION 870.90 REQUIREMENTS FOR THE INSTALLATION OF MANUFACTURED HOMES
Section 870.90 Requirements for the Installation of
Manufactured Homes
a) All
manufactured homes installed after December 31, 2001 shall be installed under
the on-site supervision of a licensed manufactured home installer. [430
ILCS 117/25] The licensed installer shall provide sufficient on-site
supervision to ensure quality installation as required by the manufacturer's
specifications or, in the absence of the instructions provided by the
manufacturer, this Part.
b) Homes
installed on a permanent foundation are not required to be installed by a
licensed manufactured home installer.
c) All
homes shall comply with the anchoring requirements contained in Subpart E of
this Part.
d) The
requirements of Sections 870.110 through 870.170 shall apply to homes installed
where the instructions are not available.
e) Nothing
in this Part shall preclude local ordinances, including but not limited to
zoning, building codes, or other ordinances not affecting installation
standards or other exclusive State powers or functions under Section 60 of the
Manufactured Home Quality Assurance Act.
f) The
home manufacturer data plate specifies the design criteria of the homes. For
homes that do not have a data plate, the installation shall be designed for a
roof live load design of 20 pounds per square foot.
| TITLE 77: PUBLIC HEALTH
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SUBCHAPTER q: MOBILE HOMES
PART 870
MANUFACTURED HOME INSTALLATION CODE
SECTION 870.100 SITE LOCATION
Section 870.100 Site Location
a) The
portion of the lot used for the placement of the manufactured home must be
firm, undisturbed soil or compacted fill. The soil must be tested for its
load-bearing capacity and graded to prevent surface water or drainage from
accumulating under the home. For sites constructed after July 1, 2005, the
ground must be sloped a minimum of ½ inch per foot for at least 6 feet from the
perimeter of the home. Impervious surfaces such as concrete and asphalt in
this area shall be sloped away from the home at least one inch per 6 feet.
b) All
decayable material, such as grass, twigs, and wood scraps, shall be removed
from under the home. Shrubs and overhanging branches that will impede
installation in accordance with this Part shall be removed.
c) A
minimum 6-mil visqueen vapor barrier, secured and extending to the dimensions
of the home, must be placed on the ground underneath the manufactured home
before the perimeter enclosure is installed, unless the home is placed on a
poured concrete slab.
d) When
gutters and downspouts are installed, the discharge shall be directed away from
the home.
| TITLE 77: PUBLIC HEALTH
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SUBCHAPTER q: MOBILE HOMES
PART 870
MANUFACTURED HOME INSTALLATION CODE
SECTION 870.110 SUPPORT SYSTEMS
Section 870.110 Support Systems
Each manufactured home shall be installed on a support
system capable of supporting a total of 80 pounds per square foot.
a) Footings.
Footings must be placed on level, firm, undisturbed soil or compacted or
controlled fill that is free of grass and organic materials, compacted to a
minimum load bearing capacity of 2,000 pounds per square foot. Pre-owned homes
for which the manufacturer of the home is no longer in business or for which
the installation instructions are not available may be placed on an existing
footing system if the system meets the requirements of this Section.
1) Area.
The area in square inches of the footings is based on the width of the home,
the roof design loads, the soil load-bearing capacity and the intended spacing
of the piers. (See 870.Tables A-G.)
2) Types.
Footings may consist of the following:
A) Individual
pier footings consisting of precast or poured-in-place individual pier footing
concrete at least 3½ inches thick with a 28-day compressive strength of 3,000
pounds per square inch.
B) Concrete
runners a minimum of 3½ inches thick under each I-beam or perpendicular to the
I-beams at no more than 8 foot intervals.
C) Concrete
pads a minimum of 3½ inches thick the approximate dimension of the home.
D) Pressure
treated wood having a 0.60 retention in accordance with the AWPA C22-03
Standard.
E) Acrylonitrile
butadiene styrene (ABS) footing pads in accordance with pad manufacturer
installation instructions and listed for the required load capacity and type of
installation. Support devices and piers must not overlap the footings.
F) A
support system approved by a licensed professional engineer.
b) Piers.
Piers or load-bearing supports or devices shall be designed and constructed to
transmit the vertical live and dead loads to the foundation below. In order to
properly support the home, the piers must be of the proper type, size, location
and spacing. Piers shall be installed directly under the main frames of the
home. Piers shall be no more than two feet from each end of the frame and
adequately spaced. (See 870.Tables A-G.) Piers may be concrete blocks or
adjustable metal or concrete devices approved and listed for the required load
capacities. Load bearing supports or devices shall be listed and labeled, or
shall be designed by a licensed professional engineer in Illinois, and shall be
approved for the use intended, prior to installation.
1) Types.
Non-mortared concrete blocks conforming to ASTM C 90-96 Type N with a nominal
size of 8 inches by 8 inches by 16 inches shall be installed with the 16 inch
dimension perpendicular to the main frame (I-beam), the open cells vertical,
stacked level. A 2 or 4 inch thick 8 inch by 16 inch solid concrete cap block
that conforms to ASTM C 90-96 Type N shall be placed on the top of each stack.
The vertical load shall not exceed 8,000 pounds per single stack and 14,000
pounds for a double stack. The blocks must be stacked on a solid base pad in
accordance with the soil bearing capacity. As many as 2 wood plates not
exceeding 3 inches in combined thickness and 2 shims not exceeding 1 inch total
thickness must be used to fill any gap between the concrete cap and main
frame. Hardwood shims must be a minimum of 3 inches wide and 6 inches long
fitted tight between cap or wood plate and main frame.
2) Clearance
and Height. A minimum clearance of 12 inches must be provided between the
ground and the bottom of the frame. If piers exceed 36 inches in height, they
shall be double blocked. If the height exceeds 80 inches, the pier must be
double blocked and mortared with rebar. If the home is placed in an area
subject to flooding, a licensed professional engineer in Illinois shall design
a support and anchoring system that will resist flood forces. The Federal
Emergency Management Agency has information that may assist in the design.
3) Load-Bearing
Openings. In addition to the piers under the main I-beams of the home, piers
must be placed under openings in the perimeter walls and center-mating wall
openings greater than 4 feet. (See 870.Tables E-G.)
4) Elevated
Manufactured Homes. When more than ¼ of the area of a home is installed so
that the bottom of the main frame is more than 7 feet above ground level, the
home support system shall be designed by a licensed professional engineer in Illinois and installation shall be approved by the Department prior to the installation.
| TITLE 77: PUBLIC HEALTH
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SUBCHAPTER q: MOBILE HOMES
PART 870
MANUFACTURED HOME INSTALLATION CODE
SECTION 870.120 STRUCTURAL CONNECTIONS, SEALING AND PATCHING
Section 870.120 Structural Connections, Sealing and
Patching
a) Structural
Connections. Multi-section manufactured homes must be secured to immobilize
each section, allow for the transfer of required loads, and protect interior
and enclosed spaces. (See 870.Table H, Multi-Section Fastening Schedule.)
b) Sealing.
During installation, joints between all multi-section homes must be cleaned and
shimmed where the gap exceeds ½ inch top or bottom, then sealed with a
weather-stripping gasket material to limit heat loss and prevent air, moisture
and other damaging infiltration. The gasket material must be durable,
non-porous caulking, closed cell foam, urethane or sill seal. Caulking, if
used, must be capable of compressing and stretching. Sill seal, if used, must
be a minimum of 5½ inches wide and attached with fasteners staggered at 6
inches on center.
c) Patching.
All cuts, holes or tears in the bottom board or floor insulation, including
areas around structural connections and plumbing, mechanical and heating
equipment penetrations, must be adequately repaired to help prevent the
entrance of rodents, to limit heat loss and to prevent air, moisture and other
damaging infiltration.
| TITLE 77: PUBLIC HEALTH
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SUBCHAPTER q: MOBILE HOMES
PART 870
MANUFACTURED HOME INSTALLATION CODE
SECTION 870.130 ELECTRICAL HOOKUP OF MANUFACTURED HOMES
Section
870.130 Electrical Hookup of Manufactured Homes
All electrical distribution and services must comply with
the National Electrical Code in existence at the time of the installation of
the electrical service. The electrical service site supply must be a minimum
of 100 amperes and rated for the capacity of the home.
| TITLE 77: PUBLIC HEALTH
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SUBCHAPTER q: MOBILE HOMES
PART 870
MANUFACTURED HOME INSTALLATION CODE
SECTION 870.140 PLUMBING
Section
870.140 Plumbing
As specified by the Illinois Plumbing License Law, all
plumbing installed in Illinois shall be done by an Illinois licensed plumber or
the owner
occupant or lessee occupant of a single family residence, or the owner of a
single family residence under construction for his or her occupancy
and shall comply with the related administrative rules including the Illinois
Plumbing Code, Plumbers Licensing Code, and Plumbing Contractor Registration
Code. A person who installs plumbing and is not a licensed Illinois plumber or
is not the owner occupant or
lessee occupant of a single family residence, or the owner of a single family
residence under construction for his or her occupancy can be fined
up to $5,000 in accordance with the provisions of Illinois Plumbing License Law
and the related administrative rules including the Plumbers Licensing Code and
Plumbing Contractor Registration Code.
(Source: Amended at 47 Ill. Reg. 5231,
effective March 21, 2023)
| TITLE 77: PUBLIC HEALTH
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SUBCHAPTER q: MOBILE HOMES
PART 870
MANUFACTURED HOME INSTALLATION CODE
SECTION 870.150 HEATING AND AIR CONDITIONING
Section 870.150 Heating and Air Conditioning
All on-site installations of heating and air conditioning
systems shall meet the equipment manufacturer's specifications, comply with
local code, and be performed by qualified personnel approved or licensed by the
local jurisdiction for this work, a licensed manufactured home installer or the
homeowner.
a) Heating
Equipment. The heating systems for most homes are provided with the duct
systems installed. On-site installation consists of connecting the crossover
duct for multi-section homes. Crossover ducts for multi-section homes must be
supported aboveground, sealed to prevent air leaks and cut to length to avoid
kinks.
b) Air
Conditioning Equipment. Air conditioning equipment must be installed in
accordance with the manufacturer's specifications and comply with local codes.
The maximum electrical full load ampere draw for the desired air conditioning
unit must not exceed the home manufacturer's circuit rating. Any
field-installed wiring beyond the junction box must include a fused disconnect
located within sight of the condensing unit. The maximum fuse size is marked
on the condenser data plate. Charging of the air conditioning equipment must
be performed by qualified personnel. Condensation from the air conditioning
equipment must not drain underneath the home.
c) Clothes
dryer vents must exhaust outside the exterior of the home, or any perimeter
foundation or skirting. The exhaust duct must be adequately supported and
sealed. The installation of the duct must be in accordance with the
manufacturer's instructions.
| TITLE 77: PUBLIC HEALTH
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SUBCHAPTER q: MOBILE HOMES
PART 870
MANUFACTURED HOME INSTALLATION CODE
SECTION 870.160 NATURAL AND LIQUEFIED PETROLEUM GAS INSTALLATION
Section 870.160 Natural and Liquefied Petroleum Gas
Installation
a) Natural
Gas. There are three codes affecting the operation of natural gas facilities
in manufactured homes: the Pipeline Safety Regulations administered by the
U.S. Department of Transportation for the pipeline to the meter; the National
Fuel Gas Code written by the National Fire Protection Association for the
piping from the meter to underneath the home, and the Manufactured Home
Construction and Safety Standards, administered by the Department of Housing
and Urban Development for the appliance installation, operation and venting in
the home.
1) Piping.
Natural gas piping must be of approved materials.
A) Plastic
piping approved for natural gas, ASTM 2513, must be installed below ground
level, except that it may terminate aboveground if:
i) The
aboveground part of the plastic service line is protected against deterioration
and external damage; and
ii) The
plastic service line is not used to support external loads. Plastic pipe,
tubing and fittings shall be joined in accordance with manufacturer's
instructions. An electrically continuous corrosion resistant tracer wire
(Minimum 14 AWG (American wire gauge)) or tape shall be buried with the plastic
pipe to facilitate locating.
B) Metallic
pipe shall be at least standard weight, Schedule 40. Copper and brass pipe
shall not be used if the gas contains more than an average of 0.3 grains of
hydrogen sulfide per 100 standard cubic feet of gas. Metallic tubing such as
seamless copper (ASTM A254) shall be permitted to be used with gas not
corrosive to such material.
2) Support.
All piping under the home must be supported with appropriate hangers spaced at
no more than 6 foot intervals for 1 inch diameter or less pipe and no more than
10 foot intervals for piping 1¼ inch in diameter or more.
3) Defects
and Corrosion. Defects in pipe, tubing or fittings shall not be repaired.
When defective pipe, tubing or fittings are located in a system, the defective
material shall be replaced. Gas piping in contact with earth or other material
that could corrode the piping shall be protected against corrosion in an
approved manner.
4) Meters,
Valves and Regulators. Meters and regulators must be installed in a readily
accessible location and be protected from corrosion and other damage. Each
service line must have a service line valve located upstream of the regulator
or meter.
5) Location
and Testing. Each buried main must be installed with at least 24 inches of
cover and service lines with at least 18 inches of cover. The service line
cover can be reduced to 12 inches if external damage to the pipe is not likely
to result. The gas piping system must be tested for leaks prior to occupancy
of the home.
b) Liquefied
Petroleum Gas (LP). LP gas containers must be approved for the intended use
and properly located in accordance with the Standard for the Storage and
Handling of Liquefied Petroleum Gases (NFPA 58-98) (Table 9 − Proper
Location of Liquified Petroleum Gas Containers).
c) Oil
Burning Equipment. Fuel oil burning equipment must be installed in accordance
with the Standards for the Installation of Oil Burning Equipment (NFPA 31).
| TITLE 77: PUBLIC HEALTH
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SUBCHAPTER q: MOBILE HOMES
PART 870
MANUFACTURED HOME INSTALLATION CODE
SECTION 870.170 PERIMETER ENCLOSURES
Section 870.170 Perimeter Enclosures
a) Material
and Ventilation. The perimeter enclosure material shall be of material
manufactured for this purpose. The material must be installed in a manner that
will not allow water to be trapped between the perimeter material and the
siding or trim to which it is attached. The perimeter enclosure material is to
be vented according to the manufacturer's recommendation to prevent moisture
buildup. If the manufacturer's specifications are not available, to assure
proper ventilation, the open area of the vents must be equal to at least 1/300
of the floor area of the home.
b) Installation.
Perimeter enclosure material must be installed to accept possible frost heave.
The perimeter enclosure must be installed to the manufacturer's
specifications.
c) Access.
A utility inspection panel that can be opened without the use of tools and that
is a minimum of 24 inches by 18 inches must be provided.
| TITLE 77: PUBLIC HEALTH
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SUBCHAPTER q: MOBILE HOMES
PART 870
MANUFACTURED HOME INSTALLATION CODE
SECTION 870.190 TIEDOWN EQUIPMENT APPROVAL
Section 870.190 Tiedown Equipment Approval
a) Manufacturer's
Approval. Each tiedown manufacturer shall file with the Department a written
request for approval to sell tiedown equipment in Illinois. In order to obtain
approval, each tiedown manufacturer must submit the following:
1) Detailed
plans and specifications of all tiedown equipment, showing model identification
number, pertinent dimensions, materials, and method of securing ties. Each
drawing shall bear the seal of a licensed professional engineer in Illinois.
2) Test
data regarding the strength of all equipment, which has been prepared and
certified by a recognized independent testing laboratory, demonstrating that
the anchor and all tiedown equipment meet the requirements of this Section.
Each piece of equipment must be tested a minimum of three times and be shown to
meet the requirements of Section 870.200. The tests must be conducted with the
equipment installed according to the installation instructions.
3) A
copy of the installation instructions for each anchor must accompany all
anchors when sold. For ground anchors, the instructions shall include
information as to the holding capability of the soils in which the anchor is
certified to be installed, the method of installation, the type and size of
stabilization devices required, the amount of pre-loading, and the method of
tension adjustment after installation. The instructions for installation must
be consistent with the testing of the equipment, especially with regard to the
angle and depth of installation of ground anchors. The instructions for
concrete anchors shall specify the minimum amount of concrete required, the
distance from the edge of the concrete to the anchor and the compressive
strength of the concrete. A copy of all instructions, including any revisions,
must be submitted prior to the issuance of approval.
4) Each
anchor shall be permanently marked with an identification number that is
visible when the equipment is installed.
5) If
the design, construction or installation instructions of any approved equipment
are changed, approval must be obtained from the Department.
b) Alternative
Approval. A home owner, dealer, or installer who wishes to tie down a
manufactured home with a unique system or materials different from one approved
under subsection (a) must submit all information on material specifications,
strength of equipment, and system design to the Department for approval. The
approval will be based upon the criteria specified in Sections 870.200 and
870.220.
c) Evidence
of Approval. The tiedown manufacturer shall present evidence of Department
approval to any homeowner or installer upon request. Approval shall be
evidenced by the letter of approval from the Department for the specific
equipment.
d) Previous
Approvals. All previous approvals issued by the Department for tiedown
equipment shall become void January 1, 2006. New approval will be granted for
the tiedown equipment previously approved with the exception that the ground
anchor equipment will be rated at the soil holding capability of tests on file
and not soil class ratings.
| TITLE 77: PUBLIC HEALTH
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SUBCHAPTER q: MOBILE HOMES
PART 870
MANUFACTURED HOME INSTALLATION CODE
SECTION 870.200 EQUIPMENT SPECIFICATIONS
Section 870.200 Equipment Specifications
a) Tie
materials shall be capable of resisting a force of 3,150 pounds with no more
than 2 percent elongation and shall withstand at least 4,725 pounds without
failure. Strapping must meet the requirements of ASTM D 3953-91, and cable
must be a minimum of ¼ inch diameter galvanized 7 by 19 strand cable.
b) Anchor
equipment and ties shall be weather resistant. Each anchor, when installed,
shall be capable of resisting a working load at least equal to 3,150 pounds in
the direction of the tie plus 50 percent overload (4,725 pounds) without
failure. Double headed anchors must resist vertical and horizontal loads.
Failure shall be considered to have occurred when the point of connection
between the tie and the anchor moves more than 2 inches at 4,725 pounds in the
vertical direction. Anchors designed to be installed so that the loads on the
anchor are other than direct withdrawal shall be designed and installed to
resist an applied design load of 4,725 pounds at 45 degrees from horizontal
without displacing the anchor more than 3 inches horizontally at the point
where the tie attaches to the anchor.
| TITLE 77: PUBLIC HEALTH
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SUBCHAPTER q: MOBILE HOMES
PART 870
MANUFACTURED HOME INSTALLATION CODE
SECTION 870.210 COMPLIANCE
Section 870.210 Compliance
a) All
manufactured homes and manufactured accessory structures installed after July
1, 2005 must be tied down in accordance with this Part, the home manufacturer's
instructions and the tiedown manufacturer's instructions within 30 days after
the home is installed on the site. All manufactured accessory structures shall
be secured in accordance with the manufacturer's instructions.
b) If
frozen soil or wet soil prevents the installation of ground anchors, the 30 day
deadline shall not apply. The home must, in this case, be anchored at the
earliest possible date after the soil thaws or dries.
| TITLE 77: PUBLIC HEALTH
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SUBCHAPTER q: MOBILE HOMES
PART 870
MANUFACTURED HOME INSTALLATION CODE
SECTION 870.220 TIEDOWN INSTALLATION REQUIREMENTS
Section 870.220 Tiedown Installation Requirements
a) Equipment.
All manufactured homes installed after July 1, 2005 must be installed with
equipment approved by the Department.
b) Ties
1) Cable,
strapping or other approved material shall be used for ties.
2) The
ties shall connect from an anchor to the closest I-beam beneath the home. Ties
shall not connect to steel outriggers, unless specifically stated in the home
manufacturer's installation instructions. The angle formed between the tie and
the ground shall be between 40 and 50 degrees. If this angle exceeds 50
degrees when the tie is connected to the nearest I-beam, a tie shall connect
from an anchor to both I-beams of the unit.
3) Ties
shall be evenly spaced on each side of the length of the home with a maximum
separation of 12 feet and with the end ties within 2 feet of each end.
4) If
steel strapping is used, it must be secured around the I-beam using an approved
connecting device. Straps shall go from the anchor to the top of I-beam unless
the home manufacturer's instructions indicate otherwise. Care shall be
exercised to ensure that minimum bending radius is adhered to, so that the
breaking strength of the strapping is not reduced.
5) The
ties shall be secured to the I-beam of the home so that they will not become
disconnected if the tension is loosened.
6) Ties
must terminate with a D-ring, bolt or other tensioning device that will not
lower the material strength below that stated in Section 870.200(a).
7) All
cable ends shall be secured with at least two utility bolt type clamps or other
fastening device.
c) Anchors
1) All
anchors must be installed to full depth as specified in the anchor
manufacturer's installation instructions.
2) Stabilizing
devices must be utilized when the load on the ground anchor is not applied in
line with the anchor. Provisions shall be made to minimize the deflection or
slicing through the soil by the anchor rod at ground level. The method of
restricting deflection may be the encasement of the top portion of the anchor
in a concrete collar or by the use of a stabilizer plate.
3) Ground
anchors installed in line with the load of the anchor must be a minimum of 48
inches in length.
d) Frost
Heave. The following measures shall be taken for the specific type of
installation in order to prevent frost heave, which can cause damage to a home:
1) If
the support system for the home does not extend below the frost depth but the
anchors do, the ties shall be adjusted (loosened slightly in the fall and
tightened in the spring) to compensate for the tension caused by the earth
movement.
2) If
the support system for the home extends below the frost depth but the anchoring
system does not, the ties shall be tightened in the fall and loosened slightly
in the spring.
3) If
the anchoring system and the support system for the home both extend below the
frost depth or neither extends below the frost depth, no provisions for frost
heave are necessary.
e) Permanent
Foundation. Homes installed on a permanent foundation as defined in Section
870.10 are exempted from this Part.
| TITLE 77: PUBLIC HEALTH
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SUBCHAPTER q: MOBILE HOMES
PART 870
MANUFACTURED HOME INSTALLATION CODE
SECTION 870.230 MANUFACTURER'S RESPONSIBILITIES
Section
870.230 Manufacturer's Responsibilities
a) Manufacturers
shall include a copy of their installation requirements with each home located
in Illinois.
b) Upon
request from the Department, manufacturers shall provide the Department with a copy
of the installation requirements for a specific home.
c) If a
manufacturer will honor its home warranty for an installation system that is
different than that specified in the installation instructions, such
information shall be provided to the Department in writing.
| TITLE 77: PUBLIC HEALTH
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SUBCHAPTER q: MOBILE HOMES
PART 870
MANUFACTURED HOME INSTALLATION CODE
SECTION 870.240 PENALTIES
Section 870.240 Penalties
The Department may revoke a license issued under the
Manufactured Home Quality Assurance Act for a period not to exceed 6
months for a violation under the Act. A licensee is entitled to a
hearing in accordance with the Illinois Administrative Procedure Act (IAPA).
[430 ILCS 117/45]
a) The
Director, after notice and opportunity for hearing to the license holder, may
revoke, for cause, a license issued under the Act for a period not to exceed 6
months.
b) For
purposes of this Section, "cause" means a violation of any provision
of the Act or any rule adopted pursuant to the Act.
c) The Department shall serve on the license holder a
Notice of Opportunity for an Administrative Hearing, which shall contain:
1) a
statement of the nature of the action;
2) a
statement of the legal authority and jurisdiction under which the action is
being initiated;
3) a reference to the
particular Sections of the statutes and rules involved;
4) allegations of
noncompliance;
5) a
statement of the procedure for requesting an administrative hearing (Section
10-25 of the IAPA).
d) Notice
shall be provided by certified mail or by personal service setting forth the
particular reasons for the proposed action and fixing a date, not less than 10
days from the date of the mailing or service, within which time the license
holder must request, in writing, a hearing. Failure to serve upon the
Department a written request for hearing within the time provided in the notice
shall constitute a waiver of the person's right to an administrative hearing.
e) Upon receipt of a timely request for hearing, the
Department shall issue a Notice of Hearing or Pre-hearing Conference. The
notice shall contain:
1) a statement of the
nature of the hearing;
2) a
statement of the time and place that the hearing or pre-hearing conference will
be held;
3) a
statement of the legal authority and jurisdiction under which the hearing is to
be held; and
4) the
names and mailing addresses of the administrative law judge, all parties, and
all other persons to whom the agency gives notice of the hearing, unless
otherwise confidential by law.
f) The
license holder shall file a written Answer to the Allegations of
Noncompliance. The answer must be served on all parties within 20 days after
receipt of the notice alleging noncompliance. If a license holder fails to
file an answer, each alleged violation of a statute or Department rule by the
license holder shall be deemed to have been admitted. If the license holder
has insufficient knowledge of the facts to form a belief as to the truth of the
allegation, the license holder may so state with an affidavit of insufficient
knowledge.
g) The
hearing shall be conducted by the Director or by an individual designated by
the Director as an Administrative Law Judge to conduct the hearing. The
Director, or Administrative Law Judge, shall give written notice of the time
and place of the hearing, by certified mail or personal service, to the
applicant or license holder at least 10 days prior to the hearing. On the
basis of the hearing, or upon default of the applicant or license holder, the
Director shall make a determination specifying his or her findings and
conclusions. A copy of the determination shall be sent by certified mail or
served personally upon the applicant, license holder, or registrant. The
decision of the Director shall be final on issues of fact and final in all
respects unless judicial review is sought as provided in this Act.
h) The
procedure governing hearings authorized by this Section shall be in accordance
with rules promulgated by the Department Rules of Practice and Procedure in
Administrative Hearings (77 Ill. Adm. Code 100).
i) A
full and complete record shall be kept of all proceedings, including the notice
of hearing, complaint, and all other documents in the nature of pleadings,
written motions filed in the proceedings, and the report and orders of the
Director and hearing officer.
j) The
Department, at its expense, shall provide a court reporter to take testimony.
Technical error in the proceedings before the Director or Administrative Law
Judge or their failure to observe the technical rules of evidence shall not be
grounds for the reversal of any administrative decision unless it appears to
the Court that such error or failure materially affects the rights of any party
and results in substantial injustice to any party.
k) The
Director or Administrative Law Judge may compel the attendance of witnesses and
the production of books, papers, records, or memoranda.
| TITLE 77: PUBLIC HEALTH
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SUBCHAPTER q: MOBILE HOMES
PART 870
MANUFACTURED HOME INSTALLATION CODE
SECTION 870.250 INJUNCTIVE RELIEF
Section 870.250 Injunctive Relief
If the Department finds that any installer or
manufacturer is operating without a valid license, the Director of the
Department may request that the Attorney General file a complaint in circuit
court in the name of the People of the State of Illinois to enjoin that
installer or manufacturer from engaging in unlicensed activities. [430 ILCS
117/50]
Section 870.TABLE A Soil Pressure
| TITLE 77: PUBLIC HEALTH
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SUBCHAPTER q: MOBILE HOMES
PART 870
MANUFACTURED HOME INSTALLATION CODE
SECTION 870.TABLE A SOIL PRESSURE
Section 870.TABLE A Soil Pressure
|
Soil Type
|
|
Allowable Pressure
(lbs/sq. ft.)
|
|
|
|
|
|
Hard Pan or Rock
|
|
4,000 and up
|
|
|
|
|
|
Gravel or Sandy Gravel
|
|
2,000
|
|
|
|
|
|
Sandy or Silty Sand
|
|
1,500
|
|
|
|
|
|
Clay or Silty Clay
|
|
1,000
|
|
|
|
|
|
Peat or Uncompacted Fill
|
|
Special Analysis
Required
|
| TITLE 77: PUBLIC HEALTH
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SUBCHAPTER q: MOBILE HOMES
PART 870
MANUFACTURED HOME INSTALLATION CODE
SECTION 870.TABLE B FOOTING AREAS REQUIRED FOR SOIL'S LOAD-BEARING CAPACITY - DESIGN ROOF LOAD 20 POUNDS PER SQUARE FOOT
Section 870.TABLE B Footing Areas Required for Soil's
Load-Bearing Capacity − Design Roof Load 20 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)
|
|
|
3200
|
3700
|
4250
|
4250
|
4950
|
5650
|
5300
|
6150
|
7050
|
|
Soil's Load- Bearing Capacity (lbs/ft2)
|
Footing Area (square inches)
|
|
1000
|
461
|
533
|
612
|
612
|
713
|
814
|
763
|
886
|
1015
|
|
1500
|
307
|
355
|
408
|
408
|
475
|
542
|
509
|
590
|
677
|
|
2000
|
230
|
266
|
306
|
306
|
356
|
407
|
382
|
443
|
508
|
|
3000
|
154
|
178
|
204
|
204
|
238
|
271
|
254
|
295
|
338
|
|
4000
|
144
|
144
|
153
|
153
|
178
|
203
|
191
|
221
|
254
|
| TITLE 77: PUBLIC HEALTH
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SUBCHAPTER q: MOBILE HOMES
PART 870
MANUFACTURED HOME INSTALLATION CODE
SECTION 870.TABLE C FOOTING AREAS REQUIRED FOR SOIL'S LOAD-BEARING CAPACITY - DESIGN ROOF LOAD 30 POUNDS PER SQUARE FOOT
Section 870.TABLE C Footing Areas Required for Soil's
Load-Bearing Capacity − Design Roof Load 30 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)
|
|
|
3550
|
4150
|
4750
|
4750
|
5550
|
6350
|
5950
|
6950
|
7950
|
|
Soil's Load- Bearing Capacity (lbs/ft2)
|
Footing Area (square inches)
|
|
1000
|
511
|
598
|
684
|
684
|
799
|
914
|
857
|
1001
|
1145
|
|
1500
|
341
|
398
|
456
|
456
|
533
|
610
|
571
|
667
|
763
|
|
2000
|
256
|
299
|
342
|
342
|
400
|
457
|
428
|
500
|
572
|
|
3000
|
170
|
199
|
228
|
228
|
266
|
305
|
286
|
334
|
382
|
|
4000
|
144
|
148
|
171
|
171
|
200
|
229
|
214
|
250
|
286
|
| 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
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.
| TITLE 77: PUBLIC HEALTH
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SUBCHAPTER q: MOBILE HOMES
PART 870
MANUFACTURED HOME INSTALLATION CODE
SECTION 870.TABLE E PIER LOAD AND MINIMUM PIER CAPACITY FOR 12 FOOT WIDE SECTION (POUNDS)
Section 870.TABLE E Pier Load and Minimum Pier Capacity
for 12 Foot Wide Section (Pounds)
|
|
Roof Live Load (psf)
|
Mating/Perimeter Wall Opening (feet)
|
|
|
5
|
10
|
15
|
20
|
25
|
30
|
35
|
|
|
20
|
900
|
1800
|
2600
|
3500
|
4400
|
5300
|
6100
|
|
|
30
|
1200
|
2300
|
3500
|
4700
|
5800
|
7000
|
8200
|
|
|
40
|
1500
|
2900
|
4400
|
5800
|
7300
|
8800*
|
10200*
|
|
Soil's Load- Bearing Capacity (psf)
|
Footing Area (square inches)
|
|
1000
|
20
|
144
|
259
|
374
|
504
|
634
|
763
|
878
|
|
30
|
173
|
331
|
504
|
677
|
835
|
1008
|
1181
|
|
40
|
216
|
417
|
634
|
835
|
1051
|
1267
|
1469
|
|
1500
|
20
|
144
|
173
|
250
|
336
|
422
|
509
|
586
|
|
30
|
144
|
221
|
336
|
451
|
557
|
672
|
787
|
|
40
|
144
|
278
|
422
|
557
|
701
|
845
|
979
|
|
2000
|
20
|
144
|
144
|
187
|
252
|
317
|
382
|
439
|
|
30
|
144
|
166
|
252
|
338
|
418
|
504
|
590
|
|
40
|
144
|
209
|
317
|
418
|
526
|
634
|
734
|
|
3000
|
20
|
144
|
144
|
144
|
168
|
211
|
254
|
293
|
|
30
|
144
|
144
|
168
|
226
|
278
|
336
|
394
|
|
40
|
144
|
144
|
211
|
278
|
350
|
422
|
490
|
|
4000
|
20
|
144
|
144
|
144
|
144
|
191
|
191
|
220
|
|
30
|
144
|
144
|
144
|
169
|
209
|
252
|
295
|
|
40
|
144
|
144
|
158
|
209
|
263
|
317
|
367
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
* Individual
supports shall NOT support loads greater than 8000 pounds for a single stack of
8"x8"x16" stack of blocks, 14000 pounds for a double stack.
| TITLE 77: PUBLIC HEALTH
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SUBCHAPTER q: MOBILE HOMES
PART 870
MANUFACTURED HOME INSTALLATION CODE
SECTION 870.TABLE F PIER LOAD AND MINIMUM PIER CAPACITY FOR 14 FOOT WIDE SECTION (POUNDS)
Section 870.TABLE F Pier Load and Minimum Pier Capacity
for 14 Foot Wide Section (Pounds)
|
|
Roof Live Load (psf)
|
Mating/Perimeter Wall Opening (feet)
|
|
|
5
|
10
|
15
|
20
|
25
|
30
|
35
|
|
|
20
|
1000
|
2000
|
3000
|
4100
|
5100
|
6100
|
7100
|
|
|
30
|
1400
|
2700
|
4100
|
5400
|
6800
|
8100*
|
9500*
|
|
|
40
|
1700
|
3400
|
5100
|
6800
|
8400*
|
10100*
|
11800*
|
|
Soil's Load- Bearing Capacity (psf)
|
Footing Area (square inches)
|
|
1000
|
20
|
144
|
288
|
432
|
590
|
734
|
878
|
1022
|
|
30
|
202
|
389
|
590
|
778
|
979
|
1166
|
1368
|
|
40
|
245
|
490
|
734
|
979
|
1210
|
1454
|
1699
|
|
1500
|
20
|
144
|
192
|
288
|
394
|
490
|
586
|
682
|
|
30
|
144
|
259
|
394
|
518
|
653
|
778
|
912
|
|
40
|
163
|
326
|
490
|
653
|
806
|
970
|
1133
|
|
2000
|
20
|
144
|
144
|
216
|
295
|
367
|
439
|
511
|
|
30
|
144
|
194
|
295
|
389
|
490
|
583
|
684
|
|
40
|
144
|
245
|
367
|
490
|
605
|
727
|
850
|
|
3000
|
20
|
144
|
144
|
144
|
197
|
245
|
293
|
341
|
|
30
|
144
|
144
|
197
|
260
|
326
|
389
|
456
|
|
40
|
144
|
163
|
245
|
326
|
403
|
485
|
566
|
|
4000
|
20
|
144
|
144
|
144
|
148
|
184
|
220
|
256
|
|
30
|
144
|
144
|
148
|
194
|
245
|
292
|
342
|
|
40
|
144
|
144
|
184
|
245
|
302
|
364
|
425
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
* Individual
supports shall NOT support loads greater than 8000 pounds for a single stack of
8"x8"x16" stack of blocks, 14000 pounds for a double stack.
| TITLE 77: PUBLIC HEALTH
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SUBCHAPTER q: MOBILE HOMES
PART 870
MANUFACTURED HOME INSTALLATION CODE
SECTION 870.TABLE G PIER LOAD AND MINIMUM PIER CAPACITY FOR 16 FOOT WIDE SECTION (POUNDS)
Section 870.TABLE G Pier Load and Minimum Pier Capacity
for 16 Foot Wide Section (Pounds)
|
|
Roof Live Load (psf)
|
Mating/Perimeter Wall Opening (feet)
|
|
|
5
|
10
|
15
|
20
|
25
|
30
|
35
|
|
|
20
|
1200
|
2300
|
3500
|
4700
|
5800
|
7000
|
8100*
|
|
|
30
|
1600
|
3100
|
4700
|
6200
|
7800
|
9300*
|
10900*
|
|
|
40
|
1900
|
3800
|
5800
|
7500
|
9700*
|
11600*
|
13600*
|
|
Soil's Load- Bearing Capacity (psf)
|
Footing Area (square inches)
|
|
1000
|
20
|
173
|
331
|
504
|
677
|
835
|
1008
|
1166
|
|
30
|
230
|
446
|
677
|
893
|
1123
|
1339
|
1570
|
|
40
|
274
|
547
|
835
|
1080
|
1397
|
1670
|
1958
|
|
1500
|
20
|
144
|
221
|
336
|
451
|
557
|
672
|
778
|
|
30
|
154
|
298
|
451
|
595
|
749
|
893
|
1046
|
|
40
|
182
|
365
|
557
|
720
|
931
|
1114
|
1306
|
|
2000
|
20
|
144
|
165
|
252
|
338
|
418
|
504
|
583
|
|
30
|
144
|
223
|
338
|
446
|
562
|
670
|
785
|
|
40
|
144
|
144
|
418
|
540
|
698
|
835
|
979
|
|
3000
|
20
|
144
|
144
|
168
|
226
|
278
|
336
|
389
|
|
30
|
144
|
149
|
226
|
298
|
374
|
446
|
523
|
|
40
|
144
|
182
|
278
|
360
|
466
|
557
|
653
|
|
4000
|
20
|
144
|
144
|
144
|
169
|
209
|
252
|
292
|
|
30
|
144
|
144
|
169
|
223
|
281
|
335
|
392
|
|
40
|
144
|
144
|
209
|
270
|
349
|
418
|
490
|
|
|
|
|
|
|
|
|
|
|
|
|
* Individual
supports shall NOT support loads greater than 8000 pounds for a single stack of
8"x8"x16" stack of blocks, 14000 pounds for a double stack.
| TITLE 77: PUBLIC HEALTH
CHAPTER I: DEPARTMENT OF PUBLIC HEALTH
SUBCHAPTER q: MOBILE HOMES
PART 870
MANUFACTURED HOME INSTALLATION CODE
SECTION 870.TABLE H MULTI-SECTION FASTENING SCHEDULE
Section 870.TABLE H Multi-Section Fastening Schedule
|
CONNECTOR
LOCATION
|
FASTENER SIZE
|
FASTENER ANGLE
|
FASTENER
SPACING
|
|
Roof ridge beam connection
|
½ inch carriage bolts
|
90 degrees
|
48 inches on center
|
|
Roof ridge beam connection
|
⅜ inch lag screws with washers
|
45 degrees or less
|
24 inches on center
|
|
Roof rafter connection
|
4 inch by 10 inch 18 gauge straps with 10-10d nails
|
90 degrees
|
48 inches on center
|
|
Floor rim joist connection
|
⅜ inch lag screws with washers
|
45 degrees or less
|
32 inches on center
|
|
Floor connection
|
Marriage clips
|
90 degrees
|
Where installed
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
