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HomeMy WebLinkAboutUtilities 2014-05-05 Item 2B - Final Acceptance - Surface Water Lift Station #15 with Gary Harper ConstructionTO: FROM: BY: DATE: SUBJECT: City of Tukwila Jim Haggerton, Mayor INFORMATIONAL MEMORANDUM Mayor Haggerton Utilities Committee Bob Giberson, Public Works Director Scott Moore, Senior Project Inspector May 2, 2014 Surface Water Lift Station No. 15 Project No. 91041203, Contract No. 13 -142 Project Completion and Acceptance ISSUE Accept contract as complete and authorize release of retainage. BACKGROUND The Notice to Proceed for Contract No. 13 -142 with Gary Harper Construction, Inc. of Snohomish, Washington was issued on August 5, 2013 for the Surface Water Lift Station No.15 Project. This project installed a new backup generator and enclosure for Surface Water Lift Station No.15 located at 5910 South 180th St. ANALYSIS Construction was physically completed on February 21, 2014. Seven change orders were executed for miscellaneous items including electrical Items such as added lights and fixture types, along with a time extension due to weather related issues for applications. Unit price over- runs were for redesign of the foundation and additional materials due to utility conflicts. Retainage is being held by the City for this project in the amount of $15,360.47. The construction budget was $350,425.18 with a 10% contingency. Construction Contract Amount Change Orders Unit Price Over -runs Sales Tax Total Amount Paid $290,930.00 10,372.03 5,907.19 29,184.88 $336,394.10 RECOMMENDATION Council is being asked to formally accept and authorize the release of retainage, subject to standard claim and lien release procedures, for the Surface Water Lift Station No. 15 Project and consider this item on the Consent Agenda of the May 19, 2014 Regular Meeting. Attachment: Notice of Completion W:IPW EngIPROJECTSIA- DR Projects IStorm Lift Station No 15 Improvements (91041203)IConstructionlAfter Conllnfo Memo SWM #15 Closeout 05- 02- 14.docx 7 NOTICE OF COMPLETION OF PUBLIC WORKS CONTRACT Name & Address of Public Agency City of Tukwila 6300 Southcenter Blvd. Suite 100 Tukwila,Wa 98188 UBI Number: 179 000 208 Contractor's UBI Number: 601606620 Date: 4/21/2014 Department Use Only Assigned to: Date Assigned: Notice is hereby given relative to the completion of contract or project described below Project Name Storm Lift Station # 15 Improvements ( Project 91041203) Contract Number 13 -142 Job Order Contracting ❑ Yes X No Description of Work Done /Include Jobsite Address(es) This project will provide a back -up power generator for the Surface Water Lift Station No. 15, which drains approximately 200 acres of the northern portion of the Tukwila South Development. The station was built in 1977, has four pumps and a total capacity of 43.7 cfs. The electrical controls and pumps are located below ground and the surface water lift station currently does not have generator backup power. The new generator enclosure will be located at 5910 South 180th Street, Tukwila WA. Federally funded road transportation project? ❑ Yes V No Contractor's Name Gary Harper Construction, Inc. Telephone Number 1- 360- 863 -1955 Contractor Address 14831 223rd St. SE. Snohomish WA, 98296 If Retainage is Bonded, List Surety's Name (or attach a copy) Surety Agent's Address Date Contract Awarded 08/05/2013 Date Work Commenced 11/07/2013 Date Work Completed 02/21/2014 Date Work Accepted Contract Amount Additions (+ ) Reductions (- ) Sub -Total Amount of Sales Tax Paid at .095 (If various rates apply, please send a breakdown) C'° c v_ ,:� 0 K. $ 290,930.00 $ 16,279.22 $ 0.00 $ 307,209.22 $ 29,184.88 TOTAL $ 336,394.10 NOTE: These two totals must be equal Please List all Subcontra tors Below: Liquidated Damages $ Amount Disbursed $ Amount Retained $ 0.00 321,033.63 15,360.47 TOTAL $ 336,394.10 Subcontractor's Name: UBI Number: Affidavit ID (if known) Service Electric Co, Inc. 179023787 502491 Johnston Construction Co, Inc 278046559 501160 Miles Sand & Gravel Co. 171004760 501940 Lloyd Enterprises. Inc. 171004642 502283 Evergreen Concrete Cutting, Inc. 601605667 501245 PLS, Inc. 601979933 501166 Ralph's Concrete Pumping 578085430 501171 F215- 038 -000 08 -2011 REV 31 0020e (08/25/11) Continued on page 2 8