(A) The subdivider/developer shall notify the City Engineer of both the start and completion of construction of approved improvements.
(B) The City Engineer shall inspect said improvements while they are under construction. If he determines that they are being built in violation of these regulations, or any applicable local, state or federal regulations, he shall promptly notify the HBZ Officer who, in turn, shall issue a stop order. All public improvements proposed to be made under the provisions of this article shall be inspected during the course of construction by a duly designated, qualified, independent inspector selected and retained by the subdivider and approved by the city. All fees and costs connected with such inspection and in reviewing the plans and specifications for such improvements shall be paid by the subdivider. The fees and cost shall be set at the prevailing rate.
(C) In addition to the detailed requirements listed below, the inspector shall maintain a daily diary in a standard format acceptable to the City Engineer. Copies of the daily diary entries shall be provided to the City Engineer on a weekly basis during construction.
(1) Content. The daily entries shall include at least the following information:
(a) Weather conditions.
(b) Site conditions.
(c) Contractor's working hours.
(d) Inspector's hours on the site.
(e) An explanation of the actual work performed by the contractor that day.
(f) Specific information about material tests taken.
(g) Description of any problems.
(2) Purpose. The purpose of the diary is to provide backup information for the developer's engineer and the City Engineer to recommend acceptance of the improvements by the City Council and provide actual construction records of any problems that may develop.
(3) Format. The general format of the diary must be approved by the City Engineer before construction begins.
(D) The inspector shall make and document the following inspections:
(1) Storm and sanitary sewer and water main improvements.
(a) Inspect all materials and document pertinent items such as pipe manufacturer, class and size.
(b) Reject any defective material and insure that it is not used on the job.
(c) Observe the actual pipe laying operation to insure that all joints are properly made, the pipes are true to line and grade, and the bedding and backfill are done according to the specifications.
(d) Document the depth and type of bedding, trench conditions, location of all service laterals, backfilling, and location of all utilities installed and encountered. Location measurements shall be of the accuracy and type required by the City Engineer.
(2) Street improvements.
(a) Perform and document subgrade, subbase, base, and embankment compaction tests.
(b) Inspect the alignment and condition of the paving forms.
(c) Check and document subgrade depth checks.
(d) Check and document the paving machine adjustments.
(e) Furnish the asphalt or PC concrete mix design to the City Engineer for approval prior to commencing paving operations.
(f) Inspect all concrete pours.
(g) Perform and document an appropriate number of air content and slump measurements.
(h) Cast compression cylinders or beams and document the results of the tests.
(i) Inspect the placement of all asphalts.
(j) Perform and record asphalt compaction tests.
(k) Perform at least one asphalt extraction test and one sieve analysis from an asphalt sample taken on the job site.
(E) The City Engineer shall also inspect required improvements upon their completion. The city shall not accept any improvement until the City Engineer has certified in writing that it complies with this chapter.
(F) Filing "as built" records. The improvements will not be recommended for acceptance until the following is provided for review by the City Engineer:
(a) Copies of all daily diary entries.
(b) Copies of all material test results.
(c) Detailed reproducible cloth or polyester reproducible "as-built" improvements construction plans of all public improvements.
(d) Certification by the developer's engineer that all construction was accomplished within reasonably close conformance to the plans and specifications, and that the "as-built" plans accurately reflect actual field conditions.
(e) A maintenance letter of credit or escrow agreement posted prior to construction by the contractor of a subdivider for the installation of all public improvements, using forms provided by the HBZ Officer.
(f) Accurate triangular measurements for sewer and water laterals to permanent items, e.g. fire hydrants or manholes. The sewer and water services shall be marked with a 4" X 4" marking, that stands five or six feet tall including a curb notch.
(Ord. 3265, passed 8-14-00)