Village of Bannockburn, IL Article V Public Stormwater and Sanitary Sewer Extensions

§ 225-123 General installation requirements.

A. Underground stormwater and sanitary sewer extensions shall be installed in the parkway whenever possible. No such sewer shall be located on any private property except in a duly dedicated public easement of the Village unless the Water and Sewer Commissioner shall waive said requirement on the basis that such an easement is not required for the proper and efficient extension and maintenance of the public sewer system.

B. The allowable loading on pipes shall be determined from the appropriate tables in the appropriate manufacturer's manual. The pipe shall be designed for a wheel load of 15,000 pounds.

C. The Standard Specifications for Water and Sewer Main Construction in Illinois, latest edition, and any revisions thereto, shall be used as a basis for approval or rejection unless modified herein.

[Amended 1-12-1981 by Ord. No. 81-04; 5-22-2017 by Ord. No. 2017-12]

D. All underground improvements shall be completed prior to any surface improvements.

§ 225-124 Public sanitary sewer extensions; use of sanitary sewers.

[Amended 1-12-1981 by Ord. No. 81-04; 5-22-2017 by Ord. No. 2017-12; 4-8-2019 by Ord. No. 2019-07]

A. The minimum size public sanitary sewer shall be eight inches in diameter.

B. All sanitary sewers and services shall be constructed of ductile iron or PVC pipe.

C. The minimum cover on any sanitary sewers shall be three feet zero inches. Sewers in excess of 20 feet zero inches of cover shall require special bedding as approved by the Village Engineer. Risers shall be required where sewers are over 12 feet zero inches in depth, and shall extend to within eight feet zero inches of proposed grade.

D. All sanitary sewer manholes shall be four feet zero inches in diameter and spaced not more than 400 feet apart.

E. The maximum allowable infiltration shall be 200 gallons/day/inch diameter/mile of sewer.

F. No property to which a public sanitary sewer has been extended may use such sewer except in accordance with the requirements and provisions of the Village Code.

G. No public sanitary sewer shall be extended to a property that does not conform to the provisions of the Village zoning regulations,[1] and no property connected to a public sanitary sewer may continue to receive service from the public sanitary sewer system unless such property is used in conformity with the Village's zoning regulations.

[1] Editor's Note: See Ch. 260, Zoning.

§ 225-125 Public storm sewer extensions.

[Amended 1-12-1981 by Ord. No. 81-04; 5-22-2017 by Ord. No. 2017-12]

A. All inlets shall be located to drain a maximum street length of 400 feet. Where the inlet is located at a low point, additional inlets may be required by the Village Engineer. No more than two inlets shall be interconnected. Inlets shall be so located that stormwater runoff will not "pond." Depressed street crowns to facilitate drainage will not be allowed.

B. Rear yard catch basins shall be placed where required by the Commissioner.

C. The minimum size storm sewer shall be 12 inches in diameter, and minimum size inlet connections shall be 10 inches in diameter.

D. The minimum cover shall be three feet zero inch for all storm sewers unless special precautions are taken to protect the pipe, as approved by the Commissioner.

E. Storm sewers shall be nonreinforced concrete ASTM C14 or reinforced concrete C76, with gasket joints. All inlet connections shall be reinforced concrete, C76, Class III.

F. All manholes, inlet manholes, inlets and catch basins, and headwalls shall be designed in accordance with the standard details of the Village.