Laserfiche WebLink
Memorandum <br />Date: June 10, 2008 <br />To: Terry Maurer, Public Works Director <br />Cc: File, 226-158c <br />From: Dick Tubesing, P.E. <br />RE: Phase II Improvements Change orders No. 1- No. 6 <br />.-.. <br />~1.1 <br />OBLTIl+IG t1~D 811'Ridr1°BRS, PLG <br />60 Plato Boulevard East; Suite 140 <br />St. Paul, MN 55107 <br />763-786-4570, Fax 763-786-4574 <br />Attached please find changes orders no. 1 through No. 6 for the project. In summary change <br />order no. 1 included a change in vendor for modifying the trickling filter control panel, which <br />saved $3,500. Change order No. 2 changed the guard rail on the roof of the garage addition <br />per the request of the city Building Inspector which added $3,025. Change order No. 3 added <br />some conduit and wiring for some features of the stand by generator annunciator panel which <br />added $2,080. Change order No. 4 added some conduits needed for the chem. clean pumps <br />and motor control centers, which added $6,429. Change order No. 5 deleted the gas piping <br />shown from the digester to the new generator, this saved $6,231, but this savings will be offset <br />latter by an additional cost to Center Point Energy of about $3,000 to run the gas piping from a <br />different location to the generator. Change order no. 6 added an new scum mixing nozzle and <br />piping to minimise the scum problem that is currently being seen in the Primary Digester at <br />the plant. It increases the cost by $19,547, <br />Over all the change orders to date increases the cost of the project by $21,350. These costs are <br />summarized in the attached table "Summary of change order requests". A copy of each <br />change order and back up cost information is attached. The change order have eachbeen <br />reviewed by Gary Leirmoe and approved. <br />BDM <br />BDM Project # 226-158c <br />