Martinez Municipal Code Ch. 17.08 Definitions

For the purpose of this Code, the following terms shall have the meanings indicated in this chapter.

No attempt is made to define ordinary words which are used in accordance with their established dictionary meaning, except where the word has been loosely used and it is necessary to define its meaning as used in this Code to avoid misunderstanding. Singular shall include the plural unless it is clear from the text to the contrary.

Because the primary purpose is to define terms rather than words, the definitions are arranged alphabetically according to the first word of the term rather than the noun.

(Prior code § 9901)

"Administrative authority"

is the individual office, board, department or agency established and authorized by a state, county, city or other political subdivision created by law to administer and enforce the provisions of the swimming pool code as adopted or amended.

(Prior code § 9901.1)

"Approved"

means accepted or acceptable under an applicable specification stated or cited in this Code, or accepted as suitable for the proposed use under procedures and power of the Administrative Authority.

(Prior code § 9901.1)

"Approved testing agency"

means an organization primarily established for the purpose of testing to approved standards and approved by the Administrative Authority.

(Prior code § 9901.1)

"Backwash piping."

See "Filter waste discharge piping," Section 17.08.230.

(Prior code § 9901.1)

"Body feed"

means filter aid fed into a diatomite-type filter throughout the filtering cycle.

(Prior code § 9901.1)

"Cartridge filter"

means a filter using cartridge-type filter elements.

(Prior code § 9901.1)

"Chemical piping"

means piping which conveys concentrated chemical solutions from a feeding apparatus to the circulation piping.

(Prior code § 9901.1)

"Circulating piping system"

means the piping between the pool structure and the mechanical equipment, and usually includes suction piping, face piping and return piping.

(Prior code § 9901.1)

"Design head"

means the total head requirement of the circulation system at the design rate of flow and at the end of the normal filtration cycle.

(Prior code § 9901.1)

"Design rate"

means the average system flow rate in gallons per minute (G.P.M.) over the filtration cycle.

(Prior code § 9901.1)

"Diatomite (diatomaceous earth)"

is a type of filter aid.

(Prior code § 9901.1)

"Face piping"

means the piping, with all valves and fittings, which is used to connect the filter system together as a unit.

(Prior code § 9901.1)

"Filter"

means any apparatus by which water is clarified.

(Prior code § 9901.1)

"Filter aid"

means a nonpermanent type of filter media or aid such as diatomite, alum, etc.

(Prior code § 9901.1)

"Filter cartridge"

means a disposable or renewable filter element which generally employs no filter aid.

(Prior code § 9901.1)

"Filter element"

means that part of a filter which retains the filter media.

(Prior code § 9901.1)

"Filter media"

means the fine material which entraps the suspended particles and removes them from the water.

(Prior code § 9901.1)

"Filter rate"

means the average rate of flow per square foot of filter area.

(Prior code § 9901.1)

"Filter rock"

means specially graded rock and gravel used to support filter sand.

(Prior code § 9901.1)

"Filter sand"

means a specially graded type of permanent filter media.

(Prior code § 9901.1)

"Filter septum"

means that part of the filter element in a diatomite-type filter upon which a cake of diatomite or other nonpermanent filter aid may be deposited.

(Prior code § 9901.1)

"Filter waste discharge piping"

means piping that conducts waste water from a filter to a drainage system. Connection to drainage system is made through an air break or other approved methods.

(Prior code § 9901.1)

"Fresh water"

means those waters having a specific conductivity less than a solution containing 6,000 parts per million of sodium chloride.

(Prior code § 9901.1)

"Inlet fitting"

means the fitting or fixture through which circulated water enters the pool.

(Prior code § 9901.1)

"Main outlet"

means the outlet(s) at the deep portion of the pool through which the main flow of water leaves the pool when being drained or circulated.

(Prior code § 9901.1)

See "Swimming Pool," Section 17.08.390.

(Prior code § 9901.1)

"Pool depths"

means the distance between the floor of pool and the maximum operating water level.

(Prior code § 9901.1)

"Portable pool"

means a prefabricated pool which may be erected at the point of intended use and which may be subsequently disassembled and reerected at a new location, and generally installed on the surface of the ground and without excavation.

(Prior code § 9901.1)

"Precoat"

means in a diatomite-type filter, the initial coating or filter aid placed on the filter septum at the start of the filter cycle.

(Prior code § 9901.1)

"Receptor"

means an approved plumbing fixture or device of such material, shape and capacity as to adequately receive the discharge from indirect waste piping, so constructed and located as to be readily cleaned.

(Prior code § 9901.1)

"Return piping"

means that portion of the circulation piping which extends from the outlet side of the filters to the pool.

(Prior code § 9901.1)

"Saline water"

means those waters having a specific conductivity in excess of a solution containing 6,000 parts per million of sodium chloride.

(Prior code § 9901.1)

"Sand filter"

means a filter designed to be used with sand as the filter media.

(Prior code § 9901.1)

"Separation tank"

means a device used to clarify filter rinse or waste water, and sometimes called a "reclamation tank."

(Prior code § 9901.1)

"Skim filter"

means a surface skimmer combined with a vacuum diatomite filter.

(Prior code § 9901.1)

"Suction piping"

means that portion of the circulation piping located between the pool structure and the inlet side of the pump and usually includes the following: main outlet piping, skimmer piping, vacuum piping and surge tank piping.

(Prior code § 9901.1)

"Surface skimmer"

means a device generally located in the pool wall which skims the pool surface by drawing pool water over a self-adjusting weir.

(Prior code § 9901.1)

"Swimming pool"

means any constructed or prefabricated pool used for swimming or bathing, over 18 inches in depth.

(Prior code § 9901.1)

"Private swimming pool"

includes all constructed pools which are used as a swimming pool in connection with a single-family residence, and available only to the family of the householder and his private guests.

(Prior code § 9901.1)

"Public swimming pool"

means any swimming pool other than a private swimming pool. (See Title 17, California Administrative Code)

(Prior code § 9901.1)

"Turnover time"

means the time in hours, required for the circulation system to filter and recirculate a volume of water equal to the pool volume.

(Prior code § 9901.1)

"Vacuum fitting"

means a fitting in the pool which is used as a convenient outlet for connecting the underwater suction cleaning equipment.

(Prior code § 9901.1)

"Vacuum piping"

means the piping from the suction side of a pump connected to a vacuum fitting located at the pool and below the water level.

(Prior code § 9901.1)

"Waste piping."

See "Filter waste discharge piping," Section 17.08.230.

(Prior code § 9901.1)

"Width and/or length"

means the actual water dimension taken from wall to wall at the maximum operating water level.

(Prior code § 9901.1)