Highlighted below: 12 of 16 extracted standards. Sections and highlights carry their own anchors. The rest quote wording that differs from this rendering of the text.
Chapter 21 - MOBILE HOMES AND MOBILE HOME PARKS#
Footnotes: --- (1) ---
Cross reference— Building regulations, Ch. 11; housing code, Ch. 19; streets and sidewalks, Ch. 33; zoning ordinance, App. A; subdivision regulations, App. B.
State Law reference— Industrialized Building Safety Law, § 36-70 et seq.; uniform regulations for manufactured housing, Code of Virginia, § 15.2-2290.
Sec. 21-1. - Definitions.#
Except as otherwise specifically provided, for the purposes of this chapter, the terms "mobile home" and "mobile home park" or "trailer park" shall have the meanings ascribed to them by the zoning ordinance.
(Code 1963, § 39-1)
Sec. 21-2. - Parking mobile homes outside licensed park.#
(a) It shall be unlawful for any person to park a mobile home at any place within the city for dwelling or sleeping purposes, except in a mobile home park or trailer park for which the operator thereof has obtained a license in accordance with the provisions of chapter 20 of this Code.§
(b) For the purposes of this section, the term "mobile home" shall also include any vehicle used or maintained for use as a conveyance upon highways, so designed and so constructed as to permit occupation thereof as a temporary dwelling or sleeping place for one (1) or more persons.
(c) Any person violating any provision of this section shall be guilty of a Class 3 misdemeanor.
(Code 1963, §§ 39-1, 39-3, 39-4)
ARTICLE II. - MOBILE HOME PARKS#
Footnotes: --- (2) ---
Cross reference— License tax for trailer parks and trailer camps, § 20-122.
Sec. 21-21. - Application of article.#
The provisions of this article shall apply to mobile home parks.
(Code 1963, § 28-66)
Sec. 21-22. - Penalty for violation of article.#
Any person violating any of the provisions of this article shall be guilty of a misdemeanor punishable by a fine of not more than one thousand dollars ($1,000.00). Each day that a violation continues shall be deemed a separate offense.
Sec. 21-23. - Site plan requirements.#
(a) In the preparation of the site plan for a mobile home park, the plans shall show in detail the entire sanitary facilities and water supply distribution for the project. The drawings and specifications shall provide all necessary information, such as property boundary lines, orientation, grading, neighborhoods, usage of land within the adjoining neighborhood, name of ownership, architect's name, engineer's name and all other pertinent data necessary for a thorough study of the project.§
(b) The plans and specifications required by subsection (a) of this section shall be submitted to and approved by the plumbing official.
(Code 1963, §§ 28-67, 28-68)
DIVISION 2. - SEWERS AND SEWAGE DISPOSAL#
Footnotes: --- (3) ---
Cross reference— Sewers and sewage disposal generally, Ch. 31.
Sec. 21-36. - Disposition of sewage and connection with sewer system generally.#
Sewage shall be disposed of and connection made with the sanitary sewer system of the city in accordance with the provisions of this Code and other ordinances of the city, subject to the particular provisions of this division.
(Code 1963, § 28-69)
Sec. 21-37. - Type of disposal plant.#
(a) The plumbing official shall, in his discretion, determine the actual selection of the sewage disposal plant and system to be used, in accordance with the following requirements:
(1) For up to seventy-five (75) mobile homes, the use of a septic tank and either a tile absorption field or sandfilter is recommended.
(2) For seventy-five (75) to one hundred fifty (150) mobile home units, sandfilters should be selected, and, if there is space available trickling filters preceded by an Imhoff tank will be desirable.
(3) For more than one hundred fifty (150) mobile home units, trickling filters and an Imhoff tank is recommended, with the additional requirement of chlorination facilities to be included to reduce odors at such times as they may occur.
(4) Activated sludge with separate settling anti-digestion is recommended only where available space is restricted, where the maximum treatment is required for the operation of the park, the adjoining neighborhood to the park limits the scope of operation, and where two hundred (200) or more mobile home units are to be served.
(b) The plumbing official, in selecting the sewage disposal plant and system to be used, shall give consideration to the recommendations of the health department.
(Code 1963, § 28-70)
Sec. 21-38. - Sewer installation; trenches; materials and joints.#
(a) The sewer shall be generally installed in a separate trench from the water supply distribution pipes.
(b) The sewer shall be constructed of durable materials which are corrosion-resistant and shall be so installed as to remain watertight and be rootproof. The requirements for such materials and for joints shall be as follows:
(1) Cast-iron pipe. Cast-iron soil pipe and fittings with hot poured leaded joints may be used.
(2) Vitrified-clay pipe. Vitrified-clay sewer pipe with hot poured or precast bituminized joints may be used.
(3) Bituminized-fibre pipe. Bituminized-fiber sewer pipe with tapered type couplings and fittings of the same material as the pipe may be used.
(4) Asbestos-cement pipe. Asbestos-cement pipe with rubber ring type joints or concrete pipe with hot-poured joints may be used.
(5) Filled-in ground. Sewers installed in filled or unstable ground shall be of cast-iron soil pipe, except that nonmetallic drains may be laid upon an approved pad.
(6) Caulked joints. Caulked joints for cast-iron bell and spigot soil pipe shall be firmly packed with oakum or hemp and filled with molten lead not less than one (1) inch deep. Lead shall be run in one pouring and caulked tight. No paint, varnish or other coatings shall be permitted on the jointing material, until after the joint has been tested and approved.
(7) Hot poured joints. Material for hot poured joints for clay pipe shall not soften sufficiently to destroy the effectiveness of the joint when subjected to a temperature of one hundred sixty (160) degrees Fahrenheit, or be soluble in any of the wastes carried by the drainage system. The joint shall be first caulked tight with jute, hemp or other similar approved materials.
(8) Tapered-type joints. Joints in bituminized fibre shall be made with tapered-type couplings and of the same material as the pipe. All joints between bituminized fibre pipe and metal pipe shall be made by means of an adapter coupling caulked as required in subsection (b)(6) of this section.
(9) Asbestos-cement joints. Joints in asbestos-cement pipe shall be made with sleeve couplings sealed with rubber rings and of the same composition as the pipe. All joints between asbestos-cement pipe and metal pipe shall be made by means of an adapter coupling caulked as required in subsection (b)(6) of this section.
(10) Cement joints. Cement joints are permitted when sewers are installed in a separate trench from the water supply.
(Code 1963, §§ 28-71, 28-72)
Sec. 21-39. - Grade of sewer installations; pipe sizes; etc.#
(a) Grade or slope for sewers shall be such as to maintain flow velocities within sewers at the rate of not less than two (2) feet per second when flowing full.§
(b) Pipe size in relation to slope shall be computed in accordance with the following table:
| Slope per hundred feet | Sewer size in inches |
|---|---|
| 4 | 15 in. |
| 6 | 8 in. |
| 8 | 5 in. |
| 10 | 3½ in. |
| 12 | 3 in. |
(Code 1963, § 28-73)
Sec. 21-40. - Manholes.#
Manholes shall be provided in sewer installation in the following manner:
(1) At the upper end of each main sewer line.
(2) At the outer end of the main sewer.
(3) At any point where the change of direction is ninety (90) degrees or greater.
(4) At each junction of two (2) or more branch sewers.
(5) At intervals of not more than four hundred (400) feet.§
(Code 1963, § 28-74)
Sec. 21-41. - Branch connections; laterals.#
(a) Branch connections into main sewers or laterals shall be made by the use of forty-five (45) degree Y's. Short tees are prohibited.
(b) Individual mobile home unit laterals shall not be less than three (3) inches in diameter.§
(Code 1963, § 28-75)
Sec. 21-42. - Sewer sizes.#
The sewer shall be sized in accordance with the following table of pipe sizes:
| Pipe diameter in inches | No. of mobile home units connected |
|---|---|
| 4 | 50 |
| 6 | 100 |
| 8 | 400 |
| 10 | 10,000 |
(Code 1963, § 28-76)
Sec. 21-43. - Mobile home outlets.#
(a) Each sewer lateral shall terminate with a P-trap and then shall be extended to grade and terminate not less than four (4) inches above grade.§
(b) Extension through ground shall be protected by metal casing or concrete mount.
(c) Each outlet for a mobile home unit shall be provided with a flexible connector furnished by the mobile home park operator.
(d) Flexible connectors shall be so arranged as to readily clamp into the mobile home outlet and the connection so designed that in case of emergency, such as fire, the mobile home may be pulled out and the connection automatically disconnected without damage to the piping or the mobile home.
(e) Sewer outlet for connecting each mobile home shall be located centrally so that a flexible connector of sufficient length, provided by the mobile home park operator, may connect with the mobile home sewer outlet located on the right side of the mobile home and just behind the wheel housing.
(Code 1963, § 28-77)
Sec. 21-44. - Receipt of storm, etc., water by sanitary sewers.#
Sanitary sewers within the mobile home park area shall not receive storm or surface water.§
(Code 1963, § 28-78)
Sec. 21-56. - Materials, etc., of water distribution pipe.#
(a) Materials for water distributing pipes and tubing shall be brass, copper, cast iron, wrought iron, open-hearth iron, or steel with appropriate approved fittings. All threaded ferrous pipe and fittings shall be galvanized (zinc-coated) or cement lined. When used underground in corrosive soil, all ferrous pipe and fittings shall be coal-tar enamel coated and the threaded joints shall be coated and wrapped after installation.
(b) When selecting the material and size for water supply pipe, tubing or fittings, due consideration shall be given to the action of the water on the interior and of the soil, fill or other material on the exterior of the piping. No material that would produce toxic conditions in a potable water system shall be used for water distribution.
(Code 1963, § 28-79)
Sec. 21-57. - Potable water.#
(a) The water shall contain no chemical or mineral substances capable of causing unfavorable physiological effects on those consuming the water. The water shall be free from pathogenic bacteria and other disease producing organisms.§
(b) Wells shall be chlorinated after construction or repair to remove any contamination which may have gained access to the supply.
(Code 1963, § 28-80)
Sec. 21-58. - Valves.#
(a) In addition to the necessary valves on the distribution system, each mobile home unit outlet shall be provided with a three-quarter inch control valve.§
(b) Each outlet valve shall be constructed so that backflow cannot occur from surface contaminated water or any other source.
(c) The use of ordinary stop and waste valves, where aspiration or backflow can occur into the potable water system, is prohibited.
(Code 1963, § 28-81)
Sec. 21-59. - Mobile home outlet connector.#
(a) The mobile home outlet shall have a distance of separation from the sewer outlet of not less than five (5) feet.§
(b) The flexible connector between the mobile home park outlet and mobile home shall be of a type to readily permit quick attachment, and, in the event of emergency, where a mobile home may be pulled out, it shall be so arranged to automatically disconnect without damaging the piping or mobile home.
(c) The mobile home outlet shall be located at the rear of the lot.
(Code 1963, § 28-82)
Sec. 21-60. - Sizing of distribution system.#
The piping of the water-distribution system shall be sized in accordance with Appendix A, "Sizing the Building Water Supply Distribution System," of the BOCA Basic Plumbing Code, which is a part of the Virginia Uniform Statewide Building Code, a copy of which is on file in the office of the plumbing official.
(Code 1963, § 28-83)
Cross reference— Virginia Uniform Statewide Building Code adopted, § 11-16.
Sec. 21-61. - Fire outlet stations.#
Fire outlet stations shall be provided throughout the mobile home park to secure the quantity of water necessary during an emergency period.§
(Code 1963, § 28-84)
Cross reference— Fire prevention and protection, Ch. 15.
Sec. 21-62. - Ground water supply.#
A ground water supply should be properly located, constructed and operated in order to be safeguarded against contamination.§
(Code 1963, § 28-85)