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I <br />'1 <br />I <br /> <br />I <br />I <br /> <br />Chain Link Fence (5' Tall Vinyl Clad): <br />350 Ifx $15.00 = $5,250.00 <br /> <br />Estimated Total: $40,725.00 <br /> <br />Add Culvert Safetw Aprons: <br /> <br />Anoka County Highway Department has stipulated that safety aprons be added on both ends of a <br />18" RCP culvert located in the roadway ditch on the west side of Armstrong Blvd. (CSAH #83) <br />and under 153rd Avenue NW. The project plans as approved by Anoka County did not include <br />aprons. We are not certain why Anoka County would approve the'plans without the aprons, if, in <br />fact, they are required by the Highway Department. <br /> <br />18" RCP Safet~.~' Apron: <br />2 each x $1,050.00 - $2,100.00 <br /> <br />Summary of Additional Construction Costs: <br /> <br />· Additional Modular Block Wall: <br />· Modify Modular Block Wall <br /> Compressive Strength per <br /> State Aid Requirements <br />· Safety Fencing <br /> Decorative Fencing <br /> Vinyl Chain Li~]k Fence <br /> <br />· Safety Aprons at Armstrong & <br /> 157 Avenue per Anoka County <br /> <br />$ 59,157.00 (actual) <br />$ 11,225.00 (.actual) <br /> <br />5,475.00 (estimate) <br />5,250.00 (estimate) <br /> <br />$ 2,100.00 (actual) <br /> <br />· Total to Date $113,207.00 <br /> <br />Discussion Comments: <br /> <br />Modular Block Wall: Although the entire modular block wall, both above and below ground <br />components, were included in the approved plan, i't is apparem that a~i o:f the modular 'block wall <br />was not originally accounted for in the plans and specifications prepared for bidding. However, <br />whether you include or exclude the bur/ed portion of the modular block in the bid document, the <br />overall cost of the modular block wall as speci£md in the approved plan would remain essentially <br />the same. <br /> <br />MnDOT produced a yearly average bid price for awarded projects docmnent, with modular blbck <br />walls in 2000 averaging $15.00 per square foot insfal:ted. Otherwise, our company generally <br />experiences $20.00 per square foot fbr commercial based projects. Here we have a unit price of <br />$13.50 per square thor, which would not change even if the additional quantities were included <br />in the Bid Form. Thus, the lowest unit price was bid and will apply to the increased qumxtities <br />required by the approved plans and specifications. <br /> <br />G:'~Mendota l-lmghts Production\Cliems\Ramsey\99-224-s\CotTespondence\200 l~lankowski Ltr 8-7-01 .doc <br /> <br />Page 3 <br /> <br />-42~ <br /> <br /> <br />