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HomeMy WebLinkAboutA001 - proof of publication, January 13, 1975 LEGAL NOTICL (d) The discharge line from ORDINANCE NO. 2495 such ejector, pump or other Proof of Publication in The A(q ORDINANCE AMENDING mechanical device shall be THE MUNICIPAL CODE . OF provided with an accessible ANTES DAILY TRIBUNE THE CITY OF AMES, IOWA, BY backwater valve and gate REPEALING SECTION 28-1073 valve, and if the gravity THEREOF AS SAID SECTION drainage line to which such HAS HERETOFORE EXISTED discharge line connects is STATE OF IOWA,STORY COUNTY,ss. AND ADOPTING A NEW SEC- horizontal, the method of TION 28-1073 TO BE ENTITLED connection shall be from the "SUMPS AND EJECTORS— top through a ,WYE" branch I, 1kWk A)MrdSkK W. T. Farley on oath DRAINAGE BELOW CURB AND fitting. BELOW MAIN SEWER (e) Building drains or depose and say that I am 1cr, foreman LEVEL"; REPEALING OR- building sewers receiving of the AMES DAILY TRIBUNE, a daily DINANCES OR PARTS OF discharge from any pump or ORDINANCES IN CONFLICT ejector shall be adequately newspaper, printed at Ames, Story County, THE-REWITH TO THE EXTENT sized To prevent overloading. OF SUCH CONFLICT AND Two (2) fixture units shall be ESTABLISHING AN EF- allowed for each gallon per Iowa; that the annexed printed _0ydinu_nce FECTIVE DATE. minute of continuous flow. BE IT ORDAINED BY THE (f) Backwater valves, gate CITY COUNCIL F9R THE CITY valves, motors, compressors, Tf 'k7 ----------------_-._----._-'_'___-_ OF AMES, IOWA: air tanks,or other mechanical Section 1.The Municipal Code of devices required by this the City of Ames,Iowa,be and The section shall be located where they will be readily and easily same is hereby amended by accessible for inspection and was published in said newspaper for repealing Section 28-1073 "Sumps repair at all times and unless and Ejectors—Building Drains continuously exposed, be,shall Below Sewer"as said section has consecutive weeks, the first ________________ heretofore existed. enclosed in a water tight Section 2.The Municipal Code of masonry pit fitted with an and the last of said publication was on the the City of Ames is further adequately sized removable amended by enacting a new cover. ___1�_ __ day of -----J5'sa_UFL ry-______ Section 28-1073, said section to The drainage and read as follows: venting systems in connection with fixtures, sumps, Sec. 28-1073. Sumps and receiving tanks and / ejectors—drainage below curb mechanical waste lifting, and below main sewer level: (a) Drainage devices, shall be installed - g piping serving under the same requirements and subscrib in my fixtures that are located below as provided for in This code for the elevation of curb or gravity systems. iKiC, W. T. Farley property line at The point (h) Sumps and receiving where the building seeder tanks shall be watertight and crosses under the curb or anua r shall be constructed of con- Of of----_J____ y____ property line and above.the crete,metal or other approved crown level of the main sewer materials. If constructed of shall drain by gravity into the main sewer and shall be poured concrete,the walls and bottom shall be adequately reinforced and designed to ____ otary Public ----- recognized acceptable stan- i and for Story County. protected from backflow of dards. Metal sumps or tanks sewage by installing an ap- shall be of such thickness as to proved type backwater valve serve their intended purpose and each such backwater and shall be treated internally valve shall be installed only in and externally To resist that branch or section of The corrosion. drainage system which (i) All sumps and receiving receives a discharge. from tanks shall be automatically fixtures located below the discharged and when in any elevation of the curb or "public use" occupancy shall property line. be provided with dual pumps (b) Drainage piping serving or ejectors arranged to func- fixtures that are located below tion independently in case of the crown level of the main overload or mechanical sewer shall discharge into an failure. The lowest inlet shall approved watertight sump or have a minimum clearance of receiving tank so located'as to two (2) inches from the high receive The sewage or waste water or 'starting'level of the by gravity. From such sump sump. or receiving tank, the sewage (j) Sumps and receiving or other liquid waste shall be tanks shall be provided with lifted and discharged into The substantial covers having a building drain or building bolt and gasket type manhole sewer by approved ejectors, or equivalent opening to -pumps, or other equally ef- permit access for inspection, ficient approved mechanical repairs,and cleaning. The top device. shall be provided with a vent (c)The minimum size of any pipe which shall extend Pump or any discharge pipe separately Through the roof,or from a sump having a water when permitted, may be closet connected thereto shall combined with other vent be not less than Two (2) inches. pipes.Such vent shall be large (d) The discharge line from enough To maintain at- such ejector, pump or other mospheric pressure within the mechanical device shall be sump under all normal provided with an accessible operating conditions and in no backwater valve and gate case shall be less in size than valve, *and if the gravity that required by Table 98.4for drainage line To which such the number of fixtures discharge line connects is discharging into The sump,nor horizontal,the method less than one and one-half (11/7) inches in diameter.