Agenda - Council - 02/14/1995 - Laserfiche WebLink

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City forces will P~atch pavement defects prior to sealcoating and will post parking restrictions prior to the sealcoating[ operation. City public works preparatory time is estimated to be two hours per mile and will b{ charged at a rate of $30 per hour. The number of hours required for street patching is estimtued on an individual project basis, based upon windshield surveys performed by the City Engine~. The rate charged for patching is estimated to be $150 per ton of bituminous material which ~cludes labor. Table 3 contains a summary of construction costs for Projects 95- 01 through 95-0g. In addition to construction cost, overhead charges of twenty percent (22%) will be applied to covg the following services: EOgineering and Inspection 10% C'~ty Staff Administration 5 % BOnding and Legal 2% Pavement Management Fund 2% Cbntingencies 3% Projects 95-09 arid 95-10 consist of applying one and one-half inch bituminous overlays onto the existing pavement. Unlike sealcoats which simply preserve the flexibility of the existing bituminous, an Overlay provides additional su'ength to the pavement structure. The pavement distress on theseiproposed overlay projects indicate that additional pavement strength is needed. Prior to the ove[lay, failed areas will be removed and patched by City forces. The existing pavement will b~ tack coated and a machine laid one and one-half inch overlay will be placed. Existing driveways will be feathered to match the new pavement. The overlay will be shouldered with topsoil andlseeded to eliminate the drop off at the pavement edge formed by the overlay. Table 4 and 5 co0tain overlay project quantities and costs. In addition to construction costs, Table 5 contains the sapac overhead costs of twenty-two percent (22%) identified previously for the crack filling/sealcoating projects. Previous years low bid and estimated 1995 unit prices for overlays are as follows: ~ Overlay $/Ton 1993 Actual $19.00 1994 Actual $21.00 1995 Estimate $22.50 FINANCING It is the City's current policy to assess property owners fifty percent (50%) of the total project cost of the improve~nents for projects associated with the annual street maintenance program. Properties are asgessed equally regardless of front footages or property size, since comer lots and cul-de-sac lots, 0,,hich are common within the City, would receive widely disparate assessments. Since projects ar~ generally classified by subdivision which have similar street characteristics and lot sizes, it is felt that there is a fair apportionment of project costs when assessed equally within the individual subdivisions. Table 6 presents a distribution of project costs based upon the above described policy, 4