Agenda - Council - 01/26/1993 - Laserfiche WebLink

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stretts in the 1992 program, the application rate of cracksealing material was estimated for each project and is contained in Table 1. City forces will patch pavement defects prior to sealcoating and will sweep streets and post parking restrictions prior to the sealcoating operation. City public works preparatory time is estimated to be two hours per mile and will be charged at at rate of $60 per hour, which is comparable to the contract street sweeping rate. The number of hours required for street patching is estimated on an individual project basis, based upon windshield surveys performed by the city engineer and public works supervisor. The rate charged for patching will be $30 per hour. Table 2 contains a summary of construction costs for Projects #93-01 through #93- 07 which constitute the sealcoat projects. In addition to construction cost, overhead charges of twenty percent (20%) will be applied to cover the following services: Engineering and Inspection City Staff Administration Bonding and Legal Contingencies 10% 5% 2% 3% Projects #93-08 and #93-09 consist of over one and one-half inch bituminous overlays. Unlike sealcoats which simply preserve the flexibility of the existing bituminous, an overlay provides additional strength to the pavement structure. The pavement distress on both of these proposed overlay projects indicate that additional pavement strength is needed. Prior to the overlay, failed areas will be removed and patched by city forces. The existing pavement will be 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. On Project #91-08, the overlay will terminate at the existing bituminous curb. On Project #91-09, no curb exists and it is proposed that the overlay be shouldered with topsoil and seeded to eliminate the drop off at the pavement edge formed by the overlay. Table 3 and 4 contain overlay project quantities and costs. In addition to construction costs. Table 4 contains the same overhead costs of twenty percent (20%) identified previously for the crack seal/sealcoat projects. FINANCING It is the City's current policy to assess property owners fifty percent (50%) of the total project cost of the improvements for projects associated with the annual street maintenance program. Properties are assessed equally regardless of front footages or propeny size, since corner lots and cul-de-sac lots which are common within the City would receive widely disparate assessments. Since projects are 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 5 presents a distribution of project costs based upon the above described policy. Special note should be given to two projects. Project #93-02, the cracksealing and sealcoating of Stanhope River Terrace subdivision, has been credited with a $4,300 escrow deposit made by the subdivision developer, which has been applied to reduce the assessment to individual property owners. A second project which deserves mention is Project #93-08, the overlaying of 161st A venue. This project is unique in that the application of the above described assessment policy would result in an individual property assessment of nearly $1,400. This amount would be unusually high for this type of project. This is evident when examining the estimated costs from Project #93-09, which is a similar overlay project in Brookview Estates. The primary reason for this large assessment stems from the fact that the entire northern street frontage is occupied by only two parcels, Central Park and the Federal Cartridge property, which greatly reduces the number of properties among which the project costs would normally be equally divided. To remedy this - 4 -