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During construction it was determined that the outfalls could benefit from additional riprap to <br />prevent erosion from significant volume and velocity the storm water would direct in the area. 10 <br />cubic yards of riprap were added at unit cost, totaling $1,100 as provided in attachment D. <br />Bolton & Menk recommends approval of Payment No. 2, Change Order No. 3, and Change <br />Order No. 4 (Attachment A). Staff recommends that Council approve the payment and change <br />orders. <br />Budget Impact <br />The revised construction contract amount and overall budget for the Colleen Avenue Drainage <br />Improvements project is summarized below. <br />Original Contract Amount: $ 250,247.00 <br />Change Order No. 1 <br />$ <br />2,800.00 <br />Change Order No. 2 <br />$ <br />2,456.00 <br />Change Order No. 3 <br />$ <br />2,897.10 <br />Change Order No. 4 <br />$ <br />1,100.00 <br />Amended Contract Amount: <br />$ 259,500.10 <br />Engineering Design: <br />$ <br />42,142.00 <br />Construction Administration: <br />$ <br />33,000.00 <br />Total Project Budget: <br />$ 334,642.10 <br />(2.8% Over Budgeted Amount) <br />The entire cost of this project is funded by the Surface Water Management Fund. <br />Attachments <br />Attachment A: Bolton & Menk Letter <br />Attachment B: Pay Request No. 2 <br />Attachment C: Change Order No.3 <br />Attachment D: Change Order No.4 <br />Page 2 of 2 <br />