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I <br />isting fluorescent lights provide approximately 1.7 foot candles at <br />itreec level compared to an average of 2 foot candles for the 250 watt fixtures <br />with 100 foot alternate spacing and approximately 1 foot candle for the 150 <br />Fitt fixtures at 200 foot alternate spacing. The existing fluorescent lights <br />cost the City $156.60 per fixture per year and the 100 watt high pressure <br />sodium cost $115.20 per fixtures per year to operate. The new high pressure <br />sodium fixtures would cost $54.60 for the 150 watt and $76.20 for the 250 watt <br />per fixture per year to operate. N.S.P. will maintain the new fixtures at no <br />additicnal expense, whereas they do not maintain the existing fluorescent <br />lights. At the present time, the existing system from Commerce Boulevard to <br />Bartlett Boulevard, which includes only 21 lights, cost the City $2,750.40 per <br />year to operate. A new lighting system for this entire area, as suggested <br />2 under Alternate No. 2 with 46 fixtures, would cost $3,334.00 per year to <br />operate and maintain. <br />COST ESTIMATES <br />As previously mentioned, two of the existing fluorescent lights are within <br />the proposed construction limits for County Road 15 and would need to be <br />relocated by the county's contractor. If the City installed new lights, the <br />County would pay for two new bases and the wiring necessary for two lights. <br />The total cost for each Alternate is as follows: <br />Altern2*e No. 1 $ 127,353.00 <br />Alternate No. 2 $ 202,373.00 <br />The credit for the two bases and wiring to be paid by Hennepin C •,ty would <br />_ to approximately $3,000.00 and would be deducted from each of <br />Alter,,.! -as, if the existing lights interfere with the street constructiLAi. A <br />breakdown of the estimated cost for each Alternate is enclosed. <br />a <br />11 / yCVa- <br />