The following replacement requirements shall be applicable to all work done in the city unless otherwise approved by the city.
(A) General.
(1) Permit required.
(a) No person, firm or corporation shall dig, or cause to be dug, any holes or excavations in the streets, highways, alleys or public places within the corporate limits of the city without first having obtained a permit from the city.
(b) No permit shall be required for the following:
1. City employees in the regular performance of their duties;
2. Persons, firms or corporations under contract with the city and the special prosecution of their contracts; and
3. After office hours, on Sundays and holidays, where the delay incident to obtaining a permit would result in a loss or damage to the property and danger to the public may result. On the next regular day of business, such excavation must be reported to the City Administrator and a permit secured.
(2) Bond. Only those persons, firms or corporations that have deposited two cashiers or certified checks in an amount approved by the city shall be granted a permit for excavation on public property within the city. One check, in an amount determined by the city, shall be retained by the city for a period of two years after completion and acceptance of work.
(3) Streets repaired. Applicant shall inform the city of his or her schedule to ensure timely inspections, cost of said inspections to be borne by the applicant. When the purpose for which a permit is issued is completed and accomplished, the holder thereof shall, within 24 hours after completion, notify the City Administrator or Public Works Director of such completion.
(4) Scope of permit.
(a) It shall be the duty of the applicant to perform only the work for which the permit was issued.
(b) It shall be the duty of the applicant to replace street pavement within ten days after completion of the excavation.
(c) No permit will be issued to any applicant who is not competent or does not employ people who are competent in the practices of excavation, street or pavement surface removal and replacement.
(d) The applicant will be required to maintain the excavation and pavement repairs by reason of the permit for a period of two years.
1. City of Eldridge “Standard Specifications” shall apply except as modified by contract documents.
2. Barricades and traffic control.
a. A sufficient number of barricades shall be placed around the excavation to ensure protection of people working in the excavation and also to ensure protection to the general public and the motorists.
b. Barricades shall be equipped with flashing amber lights during the hours of darkness to ensure visibility by the general public and the motorist.
c. On all local streets, a minimum of one ten-foot traffic lane must be provided around the excavation, plainly marked for visibility by the motorist. On all arterial, collector and industrial sheets, a minimum of two ten-foot traffic lanes (two-way traffic) must be provided around the excavation, plainly marked for visibility by the motorist. If this is not possible, one ten-foot traffic lane will be allowed providing that two flaggers are employed, one at each end of the section, to direct traffic. A minimum of two ten-foot lanes (two-way traffic) must again be provided during the hours of darkness. No variations to this requirement will be permitted without special written permission from the city.
(B) Backfilling of excavation.
(1) Backfill material. All backfill material shall be free from cinders, ashes or refuse, vegetable or organic material, boulders, rocks or stones in excess of two inch diameter or other material that in the opinion of the engineer is unsuitable.
(2) Backfill under streets. Backfill along the sides of the pipe and to a point 12 inches over the top of the pipe shall be carefully placed and compacted in not more than six inch layers. After the pipe has been completely blinded, sand or IDOT gradation 11 or 30 crushed stone shall be placed in accordance with § 1.15 of this chapter. If, in the opinion of the engineer, the excavated trench material is satisfactory, the applicant may elect to reuse in lieu of granular material.
(3) Excavations. In any excavation directly under and within three and one-half feet of existing or proposed streets, alleys, drives or sidewalks surfaces, the backfill material shall be compacted in nine-inch lifts to 95% of standard proctor density as determined by ASTM D-698. When select granular material is used, the trench shall be backfilled to within two and one-half feet of finished grade with granular material, the remaining backfill shall be with the natural material excavated from the trench and shall be compacted at optimum moisture and density in accordance with the provisions of this subsection. Backfill material in excavations in all other areas within the street right-of-way shall be compacted in nine inch lifts to 95% of standard proctor density.
(4) Backfilling in freezing weather. Backfilling shall not be done in freezing weather except by permission of the engineer. Backfill shall not contain frozen material. No fill shall be made when the material already in the trench is frozen.
(C) Pavement repair.
(1) Sidewalks: place new four-inch thickness of concrete; finish to match existing work; reconstruct joints to match existing work;
(2) Curb and gutter: replace with section matching existing cross section; finish to match existing work;
(3) Concrete pavement and drives:
(a) The pavement around the excavation shall be cut with a concrete saw and straight lines to form a rectangle around the hole. The saw cut shall be made no closer than 12 inches from the furthest extremity of the hole and should extend full depth.
(b) The excavation shall be graded such that replacement concrete is exactly the same thickness as the existing pavement with a minimum thickness of six inches.
(c) The concrete mix shall be submitted for approval and all concrete work shall be in accordance with the standard specifications adopted by the city.
(d) Joints shall match existing pavement and drives. Finish to match existing work.
(e) Concrete patch shall remain closed to vehicular traffic for a minimum of 24 hours.
(4) Asphalt pavement and drives.
(a) The pavement around the excavation shall be cut with a concrete saw and straight lines to form a rectangle around the hole. The saw cut shall be made no closer than 12 inches from the furthest extremity of the hole and should extend full depth.
(b) The excavation shall be graded to provide sufficient depth for a minimum of seven inches non-reinforced concrete and two and one-half inches (compacted depth) of hot mix asphaltic concrete.
(c) The two and one-half-inch asphaltic concrete shall be a 100,000 ESAL surface mix with PG 58-28 Binder and shall meet all IDOT Standard Specifications § 2303, “Requirements for Material and Placement”.
(5) Sealcoat streets and drives:
(a) Provide minimum 12 inch thickness gravel or crushed stone; and
(b) Place a minimum two inch compacted thickness of asphaltic concrete.
(6) Gravel streets and drives: provide minimum 12 inch thickness Class A or county-equivalent crushed stone; and
(7) Residential and commercial driveway curb cuts: see Standard Drawing No. SD-30.
(D) Clean-up.
(1) All excess dirt and waste material shall be removed from the construction areas.
(2) All areas shall be left in a condition satisfactory to the engineer.