91-095 Ordinance - Laserfiche WebLink

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` (f) mere preliminary treatment or flow-equalizing facilities are provided for any waters or wastes, they shall be maintained continuously in satisfactory and effective operation by the owner at his expense to the approval of the Service Director. (g) Each person discharging industrial wastes into a public sewer shall construct and maintain one or more control manholes or access points to facilitate observation, measurement and sampling of his wastes, including domestic sewage. (1) Control manholes or access facilities shall be located and built in a mariner acceptable to the Service Director. If measuring devices are to be permanently installed they shall be of a type acceptable to the Service Director. (2) Control manholes, access facilities and related equipment shall be installed by the person discharging the waste, at his expense, and shall be maintained by him so as to be in safe condition, accessible and in proper operating condition, at all times. Plans for the installation of the control manholes or access facilities and related equipment shall be approved by the City Engineer prior to the beginning of construction. (h) All measurements, tests and analyses of the characteristics of waters and wastes to which reference is made in this chapter shall be determined in accordance with "Standard Methods" as defined in Section 911.03(83), and in accordance with 40 CRF 1~ entitled "Guidelines Established Test Procedures for Analysis of Pollutants," and shall be determined. at the control manhole provided or upon suitable samples taken at such control manhole. In the event that no special manhole has been required, the control manhole shall be considered to be the nearest downstream manhole in the public sewer to the point at which the building sewer is connected. Sampling shall be carried out by customarily accepted methods to reflect the effect of constituents upon the sewage works and to determine the existence of hazards to life, limb and property. the particular analysis involved will determine whether a twenty-four hour composite of all outfalls of a premise is appropriate or whether a grab sample or samples should be taken. Normally, but not always, BOD and TSS analyses are obtained from twenty- four hour composites of all outfalls, whereas pHs are determined from periodic grab samples. (i) No statement contained in this section shall be construed as preventing arty special agreement or arrangement between the City and any industrial concern whereby an industrial waste of unusual strength or character may be accepted by the City for treatment, subject to payment therefore by the industrial concern in proportion to cost and consistent with the user charge system in Chapter 915. - 21 -