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City of Grain Valley, MO
Jackson County
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Table of Contents
Table of Contents
[Ord. No. 719 §58.010, 10-8-1990]
It shall be unlawful to construct, maintain, install or enlarge any swimming pool in the City except in compliance with the provisions of this Article. The owner of the real property whereon said pool is located shall be presumed to be the person responsible for compliance with this Chapter.
[1]
Editor's Note — Ord. no. 1151 enacted December 8, 1997, repealed section 510.020 in its entirety without leaving any provisions for its replacement. Former section 510.020 derived from ord. no. 719 §58.020, 10-8-1990.
[1]
Editor's Note — Ord. no. 1151 enacted December 8, 1997, repealed section 510.030 in its entirety without leaving any provisions for its replacement. Former section 510.030 derived from ord. no. 719 §58.030, 10-8-1990.
[Ord. No. 719 §58.040, 10-8-1990]
It shall be unlawful to proceed with the construction, installation, enlargement or alteration of any private, residential swimming pool and accessories within the City unless permits therefor shall have first been obtained from the City.
[Ord. No. 719 §§58.050, 58.055, 10-8-1990]
A. 
All drawings and plans for the construction, installation, enlargement and alteration of any swimming pool and accessories shall first be presented to the Building Inspector for examination and approval as to proper location and construction. This does not apply to public pools, see Subsection (E), herein.
B. 
All plans and drawings shall be drawn to a scale of not less than one-eighth (⅛) of an inch to the foot, on paper or cloth, in ink, or by some process that will not fade or obliterate. All distances and dimensions shall be accurately figured and drawings made explicit and complete, showing the lot line, and including information pertaining to the pool, walk, and fence construction, water supply system, drainage and water disposal systems, and all accessories pertaining to the swimming pool. Detail plans and vertical elevations shall also be provided in accordance with the Building Code.
C. 
All swimming pools, accessories, water supply and drainage systems shall be constructed in conformity with the building plans and the provisions of the City's Building Code as adopted from time-to-time, as well as the provisions of this Chapter.
D. 
A copy of the manufacturer's specifications must be submitted to the City, and construction and installation shall comply with said plans.
E. 
If the pool is to be a public pool, two (2) sets of plans and specifications prepared by a registered engineer or architect shall be submitted to the Building Inspector for approval and then referred to the Mayor and Board of Aldermen for final approval before a building permit will be issued. Such plans shall show the provisions for off-street parking in accordance with the Building Code and zoning ordinance of the City Code.
[1]
Editor's Note — Ord. no. 1151 enacted December 8, 1997, repealed section 510.060 in its entirety without leaving any provisions for its replacement. Former section 510.060 derived from ord. no. 719 §58.060, 10-8-1990.
[Ord. No. 719 §58.080, 10-8-1990]
The fee for a permit for the erection or construction of a swimming pool shall be as set in the Uniform Building Code as adopted herein.
[Code 1985, §58.060; CC 1990 §5-176]
All swimming pools shall be of the recirculation type in which circulation of the water is maintained through the pool by pumps; the water drawn from the pool being clarified and disinfected before being returned to the pool.
[Code 1985, §58.070; CC 1990 §5-177]
A. 
Swimming pool walls and floors shall be constructed of any impervious material which will provide a tight tank with white or light colored finish and easily cleaned surfaces. The floor or bottom surface of the pool shall have a non-slip finish as smooth as possible. The side and end walls of a pool shall present a smooth finish and shall be vertical to a depth of at least six (6) feet or shall have a slope or curvature meeting one of the following conditions:
1. 
The pool wall may be vertical for thirty (30) inches from the water level, below which the wall may be curved to the bottom with a radius at any point equal to the difference between the depth at that point, and thirty (30) inches.
2. 
To a depth of six (6) feet, except as in Subsection (1) above, the wall's slope shall not be less than one (1) foot horizontal in six (6) feet vertical.
[Code 1985, §58.080; CC 1990 §5-178]
Swimming pools shall be designed to withstand the water pressure from within and to resist the pressure of the earth when the pool is empty, to a pressure of one thousand five hundred (1,500) pounds per square foot. The slope of the bottom of any part of a pool in which the water is less than five (5) feet in depth shall not be more than one (1) foot in each ten (10) feet. The maximum slope where water is five (5) feet or more in depth shall not exceed one (1) foot in two (2) feet.
[Code 1985, §58.090; CC 1990 §5-179]
Unobstructed walk areas not less than thirty-six (36) inches wide shall be provided to extend entirely around the pool. The walk area shall be constructed of impervious material, and the surfaces shall be of such as to be smooth and easily cleaned and of non-slip construction. The slope of the walks shall have a pitch of at least one-fourth (¼) inch to the foot, designed so as to prevent back drainage from entering the pool.
[1]
Editor's Note — Ord. no. 1151 enacted December 8, 1997, repealed section 510.120 in its entirety without leaving any provisions for its replacement. Former section 510.120 derived from Code 1985, §58.110; CC 1990 §5-181.
[Code 1985, §58.120; CC 1990 §5-182]
A. 
In every swimming pool, at least two (2) skimming devices shall be provided for each eight hundred (800) square feet of surface area or fraction thereof. Skimmer shall be located at least twenty (20) feet apart. Handholds shall be provided and consist of a bull-nosed coping not over two and one-half (2½) inches thick for the outer two (2) inches or an equivalent approved handhold. The handhold must be no more than nine (9) inches above the normal water line. Skimming devices shall be built into the pool wall, shall adequately remove floated oils and waste and shall meet the following general specifications:
1. 
Each skimmer shall be designed for a flow-through rate of at least thirty (30) gallons per minute and a total capacity of all skimmers on any pool shall be at least fifty percent (50%) of the required filter flow of the recirculation system.
2. 
They shall be automatically adjustable to variations in water level over a range of at least three (3) inches.
3. 
An easily removable and cleanable basket or screen through which all overflow water must pass shall be provided to trap large solids.
4. 
The skimmer shall be provided with a device to prevent airlock in the suction line. If an equalizer pipe is used, it shall provide an adequate amount of make-up water for pump suction should the water of the pool drop below the weir level. This pipe shall be at least two (2) inches in diameter and shall be located at least one (1) foot below the lowest overflow level of the skimmer.
5. 
An equalizer line shall be provided with a valve that will remain tightly closed under normal operating conditions, but will automatically open at a differential of no more than four (4) inches between the pool level and the level of the overflow tank.
6. 
The overflow weir shall be of sufficient length to maintain a rate of flow of at least twenty (20) gallons per minute per lineal foot of weir lip.
[Code 1985, §58.130; CC 1990 §5-183]
No source of water other than that secured from the City Waterworks distribution system shall be used in swimming pools.
[Code 1985, §58.140; CC 1990 §5-184]
A. 
Swimming pool water recirculation system inlets 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 (10) inches below the pool overflow level. A minimum of one (1) recirculation system inlet shall be provided for every six hundred fifteen (615) square feet of surface area of the pool.
B. 
Pools shall be equipped with suitable facilities for adding make-up water as needed. There shall be no physical connection between the water supply line and the pool system. If the make-up water supply line discharges to a surge or balancing tank, the point of discharge shall be at least six (6) inches above the rim of the tank. If a hose connection from a sill cock or other plumbing fixture is to be used for supplying make-up water, then an approved vacuum breaker shall be installed between the sill cock or control valve at the fixture and the hose connection. The vacuum breaker shall be installed at a height not less than seven (7) feet six (6) inches above the floor, platform or ground upon which a person would stand when operating the sill cock or control valve. The maximum size of the fillpipe is to be two (2) inches.
C. 
The system supplying recirculated water and make-up water to the pool shall be constructed in conformance with the ordinances regulating plumbing.
[Code 1985, §58.150; CC 1990 §5-185; Ord. No. 719 §58.070, 10-8-1990]
A. 
In swimming pools, thirty (30) feet in width or less, water circulation system outlets shall be located so as to provide at least one (1) outlet at the deepest point in the pool. If the pool width is more than thirty (30) feet, multiple outlets shall be provided and spaced not more than thirty (30) feet apart, nor closer than four (4) feet to any wall. 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. The gratings shall be of such design so they cannot be readily removable by bathers and will not injure bathers' fingers. One outlet shall be provided for each eight hundred (800) square feet of surface area.
B. 
Pools shall be equipped with facilities for completely emptying the pool and the discharge of the pool water to the sewer shall be at a rate not exceeding two hundred (200) gallons per minute. No direct connection shall be made to the sewer.
C. 
Water drained from the pool shall not be discharged to the sewer system during periods of rain or storms.
[Code 1985, §58.160; CC 1990 §5-186]
A. 
The swimming pools' recirculation systems shall consist of plumbing equipment, hair and lint catcher, filters, together with the necessary pipe connections to the pool inlets and outlets, facilities and pipe connections necessary for backwashing filters, and facilities and equipment for disinfecting the pool water.
B. 
Every swimming pool shall have a recirculating system with an hourly capacity equal to the pool volume divided by eight (8).
C. 
The recirculation system pump shall have sufficient capacity to discharge the volume of water required for an eight-hour turnover of the pool against the maximum head in the recirculating system.
D. 
The pump used for backwashing filters shall have sufficient capacity to provide a filter backwash rate of at least twelve (12) gallons per minute per square foot of filter area.
E. 
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. Hair and lint catchers shall be so designed that they can be easily dismantled for cleaning and inspection and shall be so located as to be easily accessible for cleaning. The design features shall be as follows: Water passes through the strainer from the outside; the strainer is made of noncorrosive material; the width or diameter of strainer is not more than one-eighth (⅛) inch; the area of the strainer openings shall be at least five (5) times the cross-sectional area of the inlet pipe to the strainer.
F. 
Recirculating systems shall contain rapid pressure filters. Sufficient filter area shall be provided to filter the entire contents of the pool in eighteen (18) hours at the rate of not more than three (3) gallons per square foot of filter area per minute. The filter backwashing facilities shall be sufficient to backwash at a rate of twelve (12) gallons per minute per square foot of filter area. All backwash water and effluent shall be discharged to the sewer through an indirect connection. Pressure filters shall be equipped with readily accessible air relief valves, loss of head or pressure gauges on the inlet and outlet pipes, and an access head or hold large enough to permit inspection, maintenance and repair work. Sight glasses that can be easily removed for cleaning shall be provided in the effluent line from the filter units.
G. 
Equipment shall be provided for the disinfection of all pool water. Any disinfection method using materials other than chlorine compounds shall be subject to the approval of the Code Enforcement Officer. Disinfection equipment installed for the use of chlorine compounds shall have sufficient capacity to maintain a minimum free chlorine residual of five-tenths (0.5) parts per million. The disinfectant shall be introduced into the recirculation system ahead of the filters.
H. 
Gaseous chlorination systems shall not be made use of as a disinfection method for pool water.
[Code 1985, §58.170; CC 1990 §5-187]
A. 
All electrical installations provided for, installed, and used in conjunction with private residential swimming pools shall be in conformance with the ordinances regulating electrical installations.
B. 
No current-carrying electrical conductors shall cross private residential swimming pools, either overhead or underground or within fifteen (15) feet of such pools, unless otherwise approved by the Building Inspector.
C. 
All metal fences, enclosures or railings near or adjacent to swimming pools, which might become electrically alive as a result of contact with broken overhead conductors or from any other cause, shall be effectively grounded.
[Code 1985, §58.180; CC 1990 §5-188]
Every swimming pool shall be equipped with one (1) or more throwing ring buoys not more than fifteen (15) inches in diameter and having sixty (60) feet of three-sixteenths (3/16) inch manila line attached, and one (1) or more light but strong poles with blunted ends and not less than twelve (12) feet in length, for making reach assists or rescues.
[1]
Editor's Note — Ord. no. 1151 enacted December 8, 1997, repealed section 510.200 in its entirety without leaving any provisions for its replacement. Former section 510.200 derived from Code 1985, §58.190; CC 1990 §5-189.
[Ord. No. 719 §58.090, 10-8-1990]
Any person who violates any provision of this Chapter shall be subject to prosecution in the Grain Valley Municipal Division of the Circuit Court and upon conviction thereof shall be subject to a fine of not less than fifty dollars ($50.00) nor more than five hundred dollars ($500.00) and/or imprisonment in jail for from ten (10) days to ninety (90) days, or both. Each day's violation of the provisions of this Chapter shall be deemed a separate offense, subject to separate penalties.