9. Wires placed in the roadbed must not cross over culverts and shall be looped around the ends of culverts in a manner clearing the sides of the culvert a minimum of twenty feet or placed 36" below culvert flow line.
10. Underground installations must be placed a minimum of 36" deep in the right-of-way.
11. The permit holder and its contractors, shall carry on the construction, repair and maintenance of the accommodated utility with serious regard to the safety of the traveling public and adjacent property owners in such a manner as to cause minimum interference to or distraction of traffic on said highway.
12. Traffic protection shall be in accordance with the current Manual on Uniform Traffic Control Devices for Streets and Highways (MUTCD) and Iowa DOT standards. Proper warning signs and/or devices conforming to the MUTCD and Iowa DOT standards shall be used to alert the traveling public when workers and/or machines are present within the right-of-way. Flagging operations are the responsibility of the permit holder. The original placement of signs and removal upon completion of the work shall be accomplished by the permit holder.
13. All time loss encountered by County crews due to utility installations will be charged to the permit holders involved. All repair work performed by County crews, which was necessary because of the installation of utilities, will be charged to the permit holder.
14. The applicant will at any time subsequent to placing the accommodated utility, and at his own expense, relay, reconstruct or encase his lines as may become necessary to conform to new grades, alignment or widening right-of-way, resulting from maintenance or construction operations by Dubuque County irrespective of whether or not additional right-of-way is acquired in connection with such highway improvement. The applicant agrees to do this promptly on order by the Board of Supervisors and without cost to the County. If the applicant is unable to comply promptly, the County may cause the work to be done, and the applicant will pay the cost thereof upon receipt of statement.
15. The County will endeavor to give the applicant sufficient notice of any proposed construction or maintenance work, on either existing or newly acquired right-of-way, that is likely to expose, cover up, or disturb any accommodated utility belonging to the applicant, in order that the applicant may arrange to protect his lines. The County will inform contractors, and others working on the job, of the location of the lines so that reasonable care may be taken to avoid damaging the lines. The County assumes no responsibility, however, for failure to give such notice
15. The permit holder shall be responsible for any damage that may result to said highway because of the construction operation or maintenance of said utility. The permit holder shall return the entire roadway to its original condition and shall reimburse Dubuque County any expenditure that Dubuque County may have to make on said highway because of said Permit Holder's utility having been constructed, operated and maintained thereon.
16. The County assumes no responsibility for damages to the applicant's property occasioned by any construction or maintenance operations on said highway, including new or additional right-of-way acquired in connection therewith, subsequent to the building of the accommodated utility.
17. The applicant shall take all reasonable precaution during the construction of said facility to protect and safeguard the lives and property of the traveling public and adjacent property owners, and shall hold the County harmless of any damage or losses that may be sustained by the traveling public or adjacent property owners on account of such construction operations.
18. The applicant shall hold the County harmless from any damage that may result to said highway because of the construction or maintenance of said facility and shall reimburse the County for any expenditure that the County may incur on said highway on account of said applicant's installation.
19. The permit holder agrees to give Dubuque County forty-eight (48) hours notice of its intention to start construction on the highway right-of-way. The permit holder also agrees to at all times give Dubuque County timely notice of intention to perform routine maintenance within the right-of-way. Said notice shall be made in writing to the County Engineer.
20. Cable, pipe line, and tile line crossings shall be constructed as follows: water mains 2" or less inside diameter shall be copper or cast iron. Water mains of more than 2" inside diameter shall be cast iron and encased. The casing shall be of adequate strength and of sufficient length to extend 2 feet beyond the edge of the shoulder line. Pressure sewer lines shall meet the same requirements as water mains. Gravity sewer lines and tile lines shall be cast iron pipe or any approved extra strength pipe and need not be encased. Underground telephone and electric cables shall be installed in a casing. Natural gas service lines and mains in town distribution systems need not be encased except as may be required herein. On paved roads, cables, pipe lines, and casings may be placed through the sub grade by jacking or by boring a hole just large enough to take the line; or if the County Engineer approves, a tunnel may be dug through and the cable, pipe line or casing placed therein. On unpaved roads, an open trench may be dug and the cable, pipe line or tile line placed therein, and the trench backfilled over the line. All backfill of tunnels and trenches shall be thoroughly compacted in layers of 6 inch or less depth. All work shall be done in a workmanlike manner and the ground left in a neat condition satisfactory to the County Engineer.

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