Agenda - Council - 10/11/1994 - Laserfiche WebLink

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i REPORT TO COUNCIL ON COST ESTIMATE FOR i SECTION 22 DRAINAGE EASEMENT i By: Steven J. Jankowski, City Engineer Background: ~ At the last Coun~l meeting, I was asked to prepare a cost estimate for the drainage improvement project in Section~22, As you may recall, the Council directed that I pursue the ditch project up to County Ditch #3 ~and that I contact the County to request that they clean County Ditch #3. The County has respo,flded to the City's request by advising that the procedure for the County to clean County Ditch #3 ~would likely not result in a successful project. I have therefore prepared cost estimates for bot~ the basic project envisioned (up to County Ditch #3) and an extended project which would lenl~then the ditching up to County State Aid Highway #5 (The ditch is flowing downstream of C~,unty State Aid Highway #5). The cost estimate for the original and extended project are $18,62~ and $25,760 respectively. I have attached details for the breakdown of my estimate. It is imp,brtant note that the major cons~'uction cost element, that of the ditch excavation, is based upon the ~cenario that the excavated material can be side cast into the adjacent low land. This is the scenarid, under which we are preparing our permit applications. However, should rt~moval of the spoil be required as a condition of the environmental pem~its, the construction cost O[ the project can be expected to change significantly. The City of Coon Rapids opened bids this w{ek on a ditch reconstruction which called for spoil removal and received a unit price for ditching Of $16.00 per foot. Although they received only a single bid, this unit price would increase our l"basic and extended project costs to $57,100 and 95,240, respectively. The project is anticipated to be financed as a Rum River Drainage District project, A map showing the boundaries of t~e district is attached. The tax capacity of this district is currently $5,367,368. The estimated impaq, t on property in the district is as follows for the project: Financial Impact of Project Cost Estimated additional tax capacity rate Bi~$i¢ Basic Extended Project Proect with Pmiect with Spoil Removal Spoil Removal $18,620 $57,100 $95,240 0.3 % 1.1% 1.78% Increase in tax on $90,000 residential property 0.61 2.22 3.59 $1t30,000 residential ~roperty 0.72 2.63 4.26 $120,000 residential 1}. roperty 0.95 3.46 5.60 $100,000 commercia~property 1.69 6.17 9.98 $125,000 commercialipropeny 2.33 8.53 13.80 $150,000 commercial property 2.97 10.90 17.64 Council Action: Based on discussion. Reviewed by: City Adminisu'ator Finance Officer CC: 10-11-94 /cm'