ANSINSPIResidential Inground Swimming Pools-This standard is a revision of ANSI/NSPI-5 , Standard for Residential Inground Swimming. Standards such as ANSI/AHAM RAC, Room Air For homes with inground pools, ANSI/NSPI , Residential Inground Swimming. For the design, equipment, and installation of residential inground swimming pools. This standard is referenced in the International Codes. PURCHASE .

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ANSI/NSPI – Residential Inground Swimming Pools

Where provided, vacuum or pressure cleaner fitting s shall be located in an accessible position s at least six inches 6″ and not greater than ansk inches 12″ below the minimum operational water level or as an attachment to the skimmer s. The maximum slope permitted between point D 2 and the transition point shall not exceed one unit vertical to three units horizontal 1: Steps and ladders shall have a handrail on both sides.

The disinfectant shall be introduced into the recirculation system ahead of the filters. Swimming pool water recirculation system inlet shall be located so as to produce, so far as possible, uniform circulation of water throughout the pool without the existence of dead spots and to carry pool bottom deposits to the outlets, and shall discharge at a minimum depth of ten inches 10″ below the pool overflow level.

Lighting shall be directed so as not to constitute a nuisance or annoyance to other property owners. If the makeup water is added directly to the pool, the outlet shall be at nasi six inches 6″ above the upper rim of the pool. You may delete a document from your Alert Profile at any time.

Any private swimming pool that is totally contained within a private structure and surrounded on all four 4 sides by walls of said structure.

Go to new ordinance. All pool and spa single anso multiple outlet circulation systems shall be equipped with atmospheric vacuum relief should grate covers located therein znsi missing or broken.


Ansk system’s supply of recirculated water and makeup water to the pool shall be constructed in conformance with all the applicable provisions of this code.

A minimum of one recirculation system inlet shall be provided for every six hundred fifteen square feet of surface area of the pool. All pool drain outlets shall be equipped with gratings having an area of openings not less than four 4 times the cross sectional area of the outlet pipe.

Pumps, filters, heaters, and other mechanical and electrical equipment shall be bspi outside of the pool enclosure. This standard is also available to be included in Standards Subscriptions. Single outlet systems, such as automatic vacuum cleaner systems, or other such multiple suction outlets whether isolated by valves or otherwise shall be protected against user entrapment.

These suction outlets shall be piped so that water is drawn through them simultaneously through a vacuum relief-protected line to the pump or pumps.

Where a permanently installed pool is installed at a dwelling unit sat least one GFCI protected one hundred twenty five volt receptacle shall be located a minimum of ten feet 10′ 3. A receptacle for water or an artificial pool of water intended for the purpose of immersion or partial immersion therein of human beings having a depth at any point of more than two feet 2’placed in an excavation.

D 2 is the point at which the floor begins nasi slope upwards to the transition nsspi.

ANSI/NSPI-5 2003 Standard for Residential Inground Swimming Pools (PDF Download)

A hair and lint catcher or strainer shall be installed on the suction side of the circulation pump to prevent hair, lint and other extraneous matter from reaching the pump and filters. Pool pumps motor controls shall have the capability of operating the pool pump at a minimum of two speeds.


Such vacuum relief systems shall include at least one approved or engineered method of the type specified herein, as follows: Gates other than pedestrian access gates shall have a self-latching device. Underwater lighting fixtures shall be approved for the service.

Need more than one copy? The alarm system shall be equipped with a manual means, such as touchpad or switch, to temporarily deactivate the alarm for a single opening.

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Drawings and plans first shall be presented to the building officer asni examination and approval, and each pool shall be constructed in conformity with the approved plans. A “swimming pool” includes all appurtenant equipment, such as, but not limited to, pumps, filters and disinfectant equipment.

The filter backwashing facilities shall be sufficient to backwash at a rate of twelve 12 gallons per minute per square foot of filter area. Solar pool heating systems shall be permitted to run at 203 speeds during periods of usable solar heat gain. Any outdoor swimming pool shall be completely enclosed by a barrier which shall not be more than fifteen feet 15′ from the edge of the walk areas as required by this chapter; and the combined measurement between the edge of said walk areas and said required barrier as measured at the farthest points of separation on each of the four 4 sides shall not exceed thirty two feet 32′ in total.

The three industry standards and their respective flow and velocity requirements are: You can download and open this file to your own computer but DRM prevents opening this file on another computer, including a nsip server.