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HomeMy WebLinkAbout2490 ORDINANCE NO. ~.~L~/~. / AN ORDINANCE providing for the protection of the public health and safety; regulating the construc- tion, installation, alteration, and repair of individual sewage disposal ~.systems; and amending O~dinance No. ~d% by adding to the Western Plumbing Officials Uniform Plumbing Code, Chapter 11. THE CITY OF BREMERTON DOES ORDAIN: Section 1. That Ordinance No. ,~/~'0 is hereby amended by adding to Western Plumbing Official's Uniform Plumbing Code, Chapter 11, which reads as follows: Section 11.01. Sewer Connection or disposal system required. Every building in which plumbing fixtures ar.e installed, and every premises having drainage pipes therein, shall have a connection to a public sanitary sewer or to an approved private sewage disposal system. The use of cesspools and privies shall not be permitted. Section 11.02 Construction. Item 1. Sewage disposal systems shall be designed in such a manner and be so constructed as to prevent the creation of hazards to health or nuisances. Section 11.03 House Sewer. Item 1. Pipe used for con-- struc~ion for a house sewer beyond the house plumbing shall be a minimum of four (4) inches inside diameter and of cast-iron, vitrified-clay, concrete, asbestos-cement, or other authorized material and installed in accordance with manufacturere' specifi- cations.~ Construction of the house sewer line shall be such as to secure wa~er--~i~t.join~s .and 'i% shall be on an optinum grade of one-fourth (1/4) inch per foot but not less than one-eighth (1/8) inch per foot. Section 11.04 All ninetY~ (90) degree turns shall be made with forty-five (45) degree L's. All house sewer lines shall have accessible cleanouts. Section 11.05 Cast-iron pipe with poured and caulked lead or other approved joint material must be used when within: A. Two (2) feet of any building foundation. B. One (1) foot of the ground surface. Section 11.06 The building sewer or drainage piping, if run or laid within fifty (50) feet of a well or other source of domestic water or suction line therefrom, shall be of water- tight constr, uction and shall have watertight joints. Cement ~x~r joints are prohibited in this instance. Section 11.07 Non-metallic building sewer or drainage piping shall not be run or laid in the same trench with water service pipes or any underground water pipes unless both the following requirements are met: A. The bottom of the water piping at all points shall be at least twelve (12) inches above the top of the sewer pipe. B. The water piping sahll rest on a solid shelf at one side of the common trench. Section 11.08 Before septic tanks may be sold on a com- mercial basis An the City of Bremerton, plans must be submitted and approved by the Bremerton-Kitsap County Health Department, and filed with the City Building Inspector. Such plans shall show all dimensions, reinforcing, structural details and other pertinent data. Before installation, al~ septic tanks must be clearly and legibly marked on the upper surface of the tank showing the liquid capacity and the manufacturers' identifying mark. Section 11.09 No metal septic tanks shall be sold or in- stalled in the City of Bremerton except those which comply with Commercial Standards 177-51 (Type 1 or Type 2) of U. S. Department of Commerce and carry the label of Underwriters Laboratories. Section 11.10 Liquid Capacity: No septic tank shall be installed in the City of Bremerton which shall be of less than 750 gallons liquid capacity, except by written permission of the Health Officer. All septic tanks must be designed according to waste load. Section 11.11 Construction: All septic tanks manufactured, sold, or installed in the City of Bremerton shall be watertight and constructed to prevent the entrance of rain water, surface drainage or ground water, and must be submitted to the following specifications: A. Be of sound and durable material which is not subject to excessive corrosion or deterioration. B. Shall have manhole eighteen (18) or more inches in diameter or removable cover for septic tank inspection and sludge removal. The inlet or outlet devices shall be provided with removable covers or properly placed handholes with a minimum diameter of six (6) inches. C. Said manhole shall be located within 24 (twenty-four) inches of the finished grade. If the tank is deeper, built-up manhole and handholes shall be required. D. The inlet baffle or submerged pipe shall be at least twelve (12) inches below the liquid surface but not deeper than the outlet device, and above the liquid surface at least to the crown of the inlet sewer. E. The outlet baffles or submerged pipes and the baffles or submerged pipes between compartments extend below liquid level a distance approximately equal to 40% of the liquid depth and shall extend six (6) inches above the liquid level to provide for scum storage. F. There shall be one (1) inch space between the underside of the top of the tank and the top of the inlet and outlet pipes or baffles or partitions. G.The invert of the inlet pipe shall be two (2) inches or more above the outlet invert. H. The outlet and inlet shall be at the center of the opposite ends to provide a maximum distance for flow. Circular tanks shall have the outlet and inlet directly opposite each other. Section 11.12 Grease Traps: Shall be installed only when deemed necessary, the effluent of which is discharged to the inlet of the septic tank or to a separate drainfield constructed in accordance with 11.14. No grease trap shall be sold or installed unless the plans for the same have been approved by the Bremerton-Kitsap County Health Officer and said approval filed with the Building Inspector. The discharge from a garbage grinder shall not pass through a grease trap and no commercial food waste grinder shall be connected to a private sewage disposal system except with permission of the building inspector. Section 11.13 Distribution Box: A distribution box of sound and durable material not subject to excessive corrosion or deterioration, shall be installed when two or more drain lines are to be installed and shall be of sufficient size to accommodate the field lateral lines. In special instances where there is not enough room .for a distribution box, tees may be used upon special permit only. No distribution box shall be installed which does not provide equal flow of effluent to all outlets. The distribution box shall be place on firm or undisturbed earth. No distribution box shall be constructed or installed wherein the inlet is less than one (1) inch above the level of the outlet, nor shall the outlet be less than two (2) inches above the floor of the distribution box. No distribution box shall be manufactured or installed unless provided with an easily removable cover or lid. No distribution box shall be installed which does not provide at least one standard length of four (4) inch bell tile from each outlet, cemented in and backfilled with firmly tamped earth. Section 11.14 Subsurface Disposal Field: In no case shall the disposal field for a sewage disposal system be less than 100 lineal feet minimum, 150 lineal feet for a three- bedroom house and 200 lineal feet for a four-bedroom house. An additional 50 lineal feet shall be required for each additional bedroom. These minimums shall apply only in loose, sandy soil with no clay or hardpan. If soil conditions are questionable the Inspector may' require percolation tests conducted on the site and in a manner as described elsewhere to determine the required length of disposal field. No disposal field shall be installed in which all trenches are not of the same approximate length. No disposal field shall be installed or located which does not comply with the following standards, unless waived by special permit. A. Minimum distance from building foundations shall be not less than five (5) feet. B. Minimum distance from property lines shall be not less than five (5) feet. C. Minimum distance from wells, springs or other water supply structures shall not be less than fifty (50) feet and, if possible, upon ground sloping downward therefrom. D. If total length of drainfield is over 100 lineal feet the number of lines shall be not less than two (2) in number unless written permission is obtained from the Health Officer. E. Minimum bottom width of trenches shall be not less than twenty-four (24) inches. F. Minimum depth of backfill over draintile shall be no less ~than ~six.J ~&) ;~in~hes. G. Maximum depth of backfill over draintile shall be noagreater than thirty (30) inches. H. Maximum grade of the tile lines shall be 0.5% or 6 inches/100 feet. Preferred grade of tile shall be 5 inches/100 feet. I. Minimum depth of filter material under tile lines shall be not less than six (6) inches. J. Minimum amount of filter material over tile lines shall be not less than two (2) inches. K. Filter material shall be washed round or washed crushed gravel or similar material of equivalent streng~h~and durability. ~It may vary from one-half (1/2) to one and a half ( 1 1/2) inches and shall be free from fi~es, dust, sand or clay. L. Minimum distance between trenches shall be not less than six (6) feet. M. Minimum diameter of disposal tile shall be not less than four (4) inches. N. Width of open joints between lengths of tiles shall be one-fourt (1/4) inch to three eighths (3/8) inch. O. No disposal field shall be installed unless all open joints are protected on top by strips of asphalt treated roofing paper to effectively eliminate soil infiltration. Entire gravel bed shall be covered with untreated paper or other suitable material to prevent infiltration of the backfill. R. No disposal field shall be installed which requires a change in grade unless terracing is effected by the construction of a suit- able brick or concrete drop box or by use of bell tile with cemented joints. Such installation shall have an earth dam of undisturbed earth twenty-four (24) inches thick preceding terracing. S. There shall be undisturbed earth between trenches. At the point where an overflow pipe.leaves an absorption trench, the trench for this pipe shall be dug no deeper than the top of the soil-gravel interface. Overflow line shall rest on undisturbed earth and backfill shall be carefully tamped. The outlet to a trench should be placed as far as practical from the inlet to the same trench. T. No disposal system shall be installed unless the pipe lines between the septic tank and the distribution box under paved areas, on all main leterals from distribution box, and within five (5) feet of any building, shall be constructed of vitrified-clay, concrete, asbestos-cement, cast-iron pipe, or other approved material installed in accordance with manufacturers' specifications and laid with water-tight joints. U. No disposal field shall be constructed, maintained, or used which directly or indirectly discharges upon the surface of the ground, or into any waters of the state either directly or indirectly unless the effluent from such disposal field is subjected / to some recognized treatment approved by the Health Officer. V. No disposal field shall be constructed, maintained or used in low, swampy areas, areas with high water table (permanent, fluctuating or seasonal) or areas which are subject to flooding. Section 11.15 It shall be unlawful to perform any work in the construction or reconstruction, addition to, alteration or repair of any sewage disposal system without having applied for a sewage disposal permit to do such work. Upon receipt of the permit it shall be posted. When work is completed and approved the permit shall be left on the premises. Applications for individual sewage disposal system permits shall be made to the building inspector. If the work for which a permit is issued is not completed within 6 months of the date of issuance or if work is abandoned for a period of 6 months, the permit shall lapse and cease to be in effect. Section 11.16 Owner's Permit. Nothing herein contained shall prohibit any bona fide owner from installing an individual sewage disposal system or making alterations or repairs on his own premises provided he secures a permit and does the work in accordance with this Ordinance. Section 11.17 Inspections. All work done in individual sewage disposal systems in the City of Bremerton and all materials used in such work shall be subject to inspection by the Building Inspector and/or the Health Officer at any reasonable time and he may stop any such work and revoke the permit, if one be issued, when the work being done or the material used is not in accordance with the provisions of this Ordinance. When the work is ready for inspection, the Building Inspector and/or the Health Officer shall be notified and all work shall be left open and uncovered until inspected and approved. If any work is covered before it is inspected and approved the same shall be u~covered and inspected. Section 11.18 It shall be unlawful for any person to engage in the business of installing or repairing individual sewage disposal systems in the City of Bremerton, who does not possess a valid commercial installers license. Application for such license shall be made to the Building Inspector. Such license may be denied by the Building Inspector, if in his opinion, the applicant is not qualified to install or repair sewage disposal systems in accordance with the Ordinances of the City of Brem- erton. Section 11.19 Commercial installer's license may be revoked for incompetence, negligence, misrepresentation, giving fraudulent information in making his application for a license or permit, failure to comply with the requirements of the Ordinance or upon cancellation or revocation of the bond required herein. Section 11.20 The Building Inspector may require the appli- cant for a commercial installer's license to submit to a written or oral examination, or both, on installation regulations. Section 11.21 Each applicant must post a bond with the City of Bremerton in a form approved by the City Attorney, in the sum of $1,000, executed by a ~y Company authorized to do business in the State of Washington...To guarantee the faith- ful performance of all work under the provisions of this Ordinance. Section 11.22 The license fee for a commercial installer's license shall be $50 for the first year and $25 for each succeed- ing fiscal year. All licenses shall expire on the 30th day of June of each year and renewals must be made prior to July 1 or they shall be deemed as a new application. APPROVED on first reading this /~day of February, 1962. PASSED AND APPROVED by the City Council of the City of Bremerton, signed by the Mayor and attested by the City Clerk in authentication of such passage this ~/~day of February, 1962. H. O. DOMSTAD, Mayor ATTEST: E. H. T. M'cGOWAN, C'fty Clerk