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Ci!y of Tukwila <br /> Allan Ekberg, Mayor <br /> INFON���o���0� ��N���� �0 �������� ������� <br /> RMATIONAL u�o��n�un�"m���m�����m�m <br /> TO: Transportation and Infrastructure Committge <br /> FROM: Bob Gibemamm, Public Works Director <br /> BY: Dave Sorensen, Project Mmmager <br /> CC: Mayor Ekberg <br /> DATE: February t0' 2Q17 <br /> SUBJECT: Crystal Springs Emergency Surface Water Repair— Construction <br /> Project No. B1641206, Contract No. 16-118 <br /> Contract Completion and Acceptance <br /> ISSUE <br /> Accept contract aocomplete and authorize release ofretainaQe. <br /> BACKGROUND <br /> The Notice tO Proceed for Contract No. 16-118 with Hoffman Construction, Inc. 0fEnumclaw, <br /> Washington was issued on October 3, 2016 for the Crystal Springs Emergency Surface Water <br /> Repair - Construction. Maintenance staff was notified of pavement settlement within Crystal <br /> Springs Park and 51s'Ave S during the week of July 18, 2016. A collapsed surface water pipe <br /> was discovered with additional failure of the pavement and a sinkhole. The Mayor declared an <br /> emergency on July 21, 2016 and Council approved Resolution No. 1887. Frank Co|uocio <br /> Construction stabilized the emergency repair by filling the sinkhole, securing the utilities, and <br /> installing a bypass pipe. This construction contract with Hoffman Construction, Inc. provided <br /> permanent repairs. <br /> ANALYSIS <br /> Construction was physically completed on November 28, 2016. One no cost change order was <br /> executed for the contractor's convenience to allow substitute crushed surfacing top course <br /> granular material. The budget for the construction phase of the Crystal Springs Emergency <br /> GurfaoeVVatarRapair- Conotrucdonpr jactwaa $233'865.15' inn|udinQa15% condnganoy' of <br /> which $8,586.08 was utilized to cover additional costs for pavement removal. Retainage of <br /> $1O,597.35ia being withheld. <br /> Construction Contract Amount $203.301.00 <br /> Over-runs <br /> Total Amount Paid $ 211,947.08 <br /> RECOMMENDATION <br /> Council is being asked to formally accept and authorize the release of the retainage, subject to <br /> standard claim and lien release procedures, for the Crystal Springs Emergency Surface Water <br /> Repair - Construction Project vvithHOff0aDCOOStrUCUOD, |OC. iDthefina( am0UntOf $211.947.D8 <br /> and consider this item on the Consent Agenda at the February 21, 2017 Regular Meeting. <br /> Attachment: Notice o(Completion Contract No. 16'118 <br /> wAPW Eng\PnmECTS�A-DRprojecls\Crystal Springs Emergency Surface Water Repair m,64` nut\Docsmn\Info MemomrystalSprings Closeout 021017 wsb.docx ' <br />