Chapter 18.08
MOBILE/MANUFACTURED HOMES

Sections:

18.08.020    General requirements.

18.08.030    Mobile/manufactured homes in a legally zoned mobile home park.

18.08.040    Mobile/manufactured homes in an existing mobile home park not legally zoned.

18.08.050    Mobile/manufactured homes placed on a single-family lot.

18.08.060    Set-up requirements.

18.08.020 General requirements.

Any person desiring to place a mobile/manufactured home within the city shall conform to the following requirements:

A.    Applicants shall make application to the city as required by Section 18.04.040. Every such application shall be made by the owner (or authorized agent of the owner) of the lot upon which the mobile/manufactured home is to be placed. The applicant shall conform to all regulations pertaining to the placement of a residential home on a building lot as set forth in the Shelton Municipal Code.

The following requirements pertain to any mobile/manufactured home being placed within the city:

B.    The mobile/manufactured home shall be HUD certified or must display a Washington State seal of approval meeting HUD specifications.

C.    All requirements of the underlying zone must be met, e.g., yard setbacks, lot coverage, off-street parking, etc.

D.    Applicant must purchase all necessary state and local permits.

E.    No occupancy shall be authorized until all inspections have been approved by the city and the Department of Labor and Industries.

F.    Applicant must comply with all setup requirements prior to occupancy. A violation or failure to comply with any of the provisions set forth in this chapter shall constitute a misdemeanor and is subject to Section 18.04.090. Nothing contained in this title shall prevent the city from taking such other lawful action as is necessary to prevent or remedy any violation. (Ord. 1699-0407 § 1 (part), 2007: Ord. 1367-293 § 1 (part), 1993: Ord. 1352-892 (part), 1992)

18.08.030 Mobile/manufactured homes in a legally zoned mobile home park.

In addition to any other requirements set forth in this code, mobile/manufactured homes which are to be placed in a legally zoned mobile home park shall be manufactured after June 15, 1976. (Ord. 1699-0407 § 1 (part), 2007: Ord. 1367-293 § 2 (part), 1993)

18.08.040 Mobile/manufactured homes in an existing mobile home park not legally zoned.

In addition to any other requirements set forth in this code, mobile/manufactured homes which are to be placed in an existing mobile home park not legally zoned shall comply with the following:

A.    Must be equal to or less than five years of age, as of the date a completed application for the building permit is received;

B.    Roofs must be an integral part of the original structure and have a nominal three to twelve pitch made of materials compatible with existing housing (composition or wood type);

C.    Must be comprised of at least two fully enclosed parallel sections each of not less than twelve feet wide, exclusive of porches, decks, garages or other accessory structures. (Ord. 1699-0407 § 1 (part), 2007: Ord. 1367-293 § 2 (part), 1993)

18.08.050 Mobile/manufactured homes placed on a single-family lot.

In addition to any other requirements set forth in this code, mobile/manufactured homes which are to be placed on a single-family lot shall comply with the following:

A.    Must be equal to or less than five years of age, as of the date a completed application for the building permit is received;

B.    Roofs must be an integral part of the original structure and have a nominal three to twelve pitch made of materials compatible with existing housing (composition or wood type);

C.    Must be comprised of at least two fully enclosed parallel sections each of not less than twelve feet wide by thirty-six feet long, exclusive of porches, decks, garages or other accessory structures;

D.    Must have exterior siding similar in appearance to siding materials commonly used on site-built single-family homes built according to the International Building Code. (Ord. 1699-0407 § 1 (part), 2007: Ord. 1367-293 § 2, 1993)

18.08.060 Set-up requirements.

All manufactured homes shall conform to the following set-up requirements. These requirements shall form the basis of compliance for footings, piers, anchorage, perimeter enclosure, crawlspace drainage, site grading, and insulation. The building department inspector shall verify compliance with each of these criteria through site inspection(s), in compliance with WAC 296-150M-0610.

A.    Plumbing Requirements.

1.    All manufactured homes shall be required to demonstrate water and sewer hookup availability.

2.    A water shut-off valve shall be placed inside the skirting.

3.    A sewer line cleanout shall be placed no greater than eighteen inches from outside the skirting.

4.    A three- or four-inch backflow valve shall be placed under the mobile home.

5.    Hose bibs must be anti-siphon fixtures.

6.    A freshwater backflow valve shall be installed inside the skirting.

B.    Crawlspace Drainage. Crawlspace drainage must be installed in areas of known high seasonal water table and/or “tight” (nonpervious) soils. Crawlspace drainage in other areas may be omitted with prior HUD approval.

1.    Alternative Drainage. When a foundation system is recessed, install four-inch diameter perforated drain line around perimeter. Connect drain line (at one percent minimum slope) to storm sewer, street curb, culvert or natural drainage area at least ten feet from the unit. Provide four inches of gravel around drain line.

2.    Install a minimum of four mil polyethelene film in the crawlspace with minimum six-inch laps.

3.    When units are located within the one hundred-year floodplain, conformance with the most recently adopted I-Code and FEMA regulations shall be required.

C.    Site Grading. Exterior grade shall be a maximum of twelve inches below the bottom of the perimeter of the unit. The ground shall slope at least six inches for ten feet around the unit. (Ord. 1699-0407 § 1 (part), 2007: Ord. 1507-1198 § 1 (Attch. A), 1998)