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HomeMy WebLinkAboutUtilities 2015-02-10 Item 2A - Contract Supplement #6 - East Marginal Way South Storm Pipe Replacement Construction Management with KPG IncTO: City of Tukwila Jim Haggerton, Mayor INFORMATIONAL MEMORANDUM Mayor Haggerton Utilities Committee FROM: Bob Giberson, Public Works Director BY: Mike Ronda, Construction Project Manager DATE: February 6, 2015 SUBJECT: East Marginal Way S Storm Pipe Replacement Project No. 91241206, Contract No. 13 -036 Supplement No. 6 for additional Construction Engineering support ISSUE Execute Supplement No. 6 for KPG, Inc. to provide additional construction engineering services for the East Marginal Way S Storm Pipe Replacement Project. BACKGROUND KGP was hired to provide design and construction management services for the East Marginal Way S Storm Pipe Replacement Project. The contract working days established at the time of bid placed the contract completion date in early January 2015. The project has encountered several delays associated with unexpected site conditions and conflicts with existing utilities and the most current anticipated project completion date is now mid - April 2015. DISCUSSION This supplement will provide additional budget to support the extra field oversight required to track, manage, and record the ongoing construction work. KPG's field team has been performing this scope for the entire project and currently consists of a full -time inspector, supported by a nearly full -time project engineer, and an administrative assistant. KPG is currently engaged in the conflict resolution and tracking active, disputed, and extra work by the contractor. Continued construction management support is needed to resolve outstanding issues and complete the work in the most time and cost effective way possible. FISCAL IMPACT The fiscal impact of extending the KPG contract for roughly 14 weeks on Supplement No. 6 is $137,575.04. The Project's 10% contingency is $205,878.23, leaving a $68,303.19 balance for all other cost over -runs. Additional contractor expenditures will also be required due to unexpected site conditions and utility conflicts. The extent of these additional costs is not known at this time. RECOMMENDATION Council is being asked to approve Supplement No. 6 to Contract 13 -036 for $137,575.04 with KPG, Inc. for the East Marginal Way S Storm Pipe Replacement Project and consider this item on the Consent Agenda at the February 17, 2015 Regular Meeting. Attachment: Supplement No. 6 1 W: \PW Eng \ PROJECTS \A- DR ProjectslEMWS Emergency Storm Pipe Repair 11 -19 -12 (91241206) \Consultant Selection \(010) - CM Scope and Encumbrances\Info Memo KPG Sup #6 02 -06 -2015 sb.docx SUPPLEMENTAL AGREEMENT NO. 6 AGREEMENT No. 13 -036 PROJECT NO. 91241206 City of Tukwila Public Works Department 6300 Southcenter Boulevard #100 Tukwila, WA 98188 KPG, Inc. 753 - 9th Avenue N. Seattle, WA 98109 PROJECT: E. Marginal Way Storm Pipe Replacement — Construction Services This SUPPLEMENTAL AGREEMENT NO. 6 is to supplement the agreement entered into with KPG, Inc. and the City of Tukwila, which was executed on the 5th day of February, 2013. All provisions in the basic agreement remain in effect, except as expressly modified as follows: Article 2, Scope of Services, shall be supplemented with the following: The Consultant agrees to provide construction services in accordance with the scope of work included as Exhibit A. Article 4, Payment, shall be modified as follows: Payment for work provided by Consultant shall be made as provided on Exhibit B, attached hereto, provided that the total amount of payment to the Consultant for this work not exceed $137,575.04 without express written modification of the Agreement signed by the City. The new total contract shall not exceed $687,437.11 without express written modification of the Agreement signed by the City. IN WITNESS WHEREOF, the parties hereto have set their hands and seals this day of , 2015. APPROVED: APPROVED: CITY OF TUKWILA KPG, INC. Jim Haggerton Mayor Attested: Christy O'Flaherty, City Clerk Nelson Davis, P.E. Principal 2 EXHIBIT A City of Tukwila East Marginal Way S Storm Pipe Replacement Supplement No. 6 Construction Services Scope of Work January 18, 2015 A. Project Description The purpose of this scope is to amend the services and the associated fee defined in the East Marginal Way S Storm Pipe Replacement Project. Due to unforeseen site conditions and the contractor's work approach, the most current project schedule estimate places the conclusion of the construction portion of the project at April 15, 2015. This date is approximately 14 weeks past the originally scheduled project conclusion date of January 5, 2015. This extension has resulted in the need for additional days for the construction team to manage the project, provide construction documentation support, and field inspection oversight. This scope and fee will serve as Supplement #6 for Project No 91241206. The Consultant Fee Determination is attached to this scope of work and is labeled Exhibit S, IktfF- B. Deliverables Consultant deliverables are described in Task 10 of the Scope of Work. C. Proposed Schedule This supplement does not change the current contract completion date of June 31, 2015. D. Scope of Work Task 10 — Additional Construction Services This task covers the effort required to manage the contract and assure that the project meets the City's expectations for schedule, budget and quality of product. Effort included under this task is as follows: 10.1 Management /Coordination — The consultant shall continue Project Management and Coordinate the project team through April 15, 2015. 10.2 Construction Services (Office) — The consultant shall provide additional construction documentation support and contractor coordination through April 15, 2015. Task 10 Deliverables: • Extended Construction Management, Documentation and Office Support City of Tukwila — East Marginal Way Storm Pipe Replacement Construction Services Scope of Work Page 1 of 7 KPG Project Number 13156 5/29/2014 3 Project Name: Consultant: COST PLUS FIXED FEE Exhibit B Consultant Fee Determination City of Tukwila East Marginal Way Storm Pipe Replacement Supplement No 6 - Construction Services KPG Classification Project Manager Senior Engineer Project Engineer Design Engineer CAD Technician Construction Inspector Survey Crew Document Specialist Office Admin Total Direct Salary Cost (DSC) Overhead (145.78% x DSC) Fixed Fee (30% x DSC) Hours Rate Cost 14 $ 65.00 $ 910 14 $ 52.06 $ 729 280 $ 44.90 $ 12,572 0 $ 36.06 $ - 0 $ 31.25 $ 560 $ 37.00 $ 20,720 0 $ 50.75 $ 56 $ 40.87 $ 2,289 420 $ 26.92 $ 11,306 1,344 $48,526 $70,741.22 $14,557.80 Subtotal: $133,825.04 REIMBURSABLES Construction Vehicles (3 months @ $750) Miscellaneous - Mileage, Repro, Field Supplies $2,250 $1,500 Subtotal: $3,750 SUBCONSULTANT COSTS Material Testing Allowance $ Subtotal: $ TOTAL $ 137,575.04 4 HOUR AND FEE ESTIMATE EXHIBIT B Project: City of Tukwila East Marginal Way Storm Replacement Project Supplement No. 6 - Construction Services Task Description Eatim Project Senior Project Design CAD Const Survey Document Office Engineer Engineer Technician Inspector Crew Manager Engineer Specialist Admin $ 179.26 $ 143.58 $ 123.83 99.45 86.18 $ 102.04 $ 139.96 112.71 1 - Management, Coordination, Administration (Estimated duration 32 weeks) Week/ of effort by Classification l 0 1 0 0 O 010 0 1 Preconstruction Budget Estimate 0 0 0 0 O 0 0 0 2 - Preconstruction Services (Estimated duration 4 weeks) Weekly level of effort by Classification 0 0 0 0 0 0 0 0 Preconstruction Budget Estimate 0 0 0 0 I 0 0 0 0 3 - Construction Services (Estimated duration 14 weeks) Weok1f level of effort by Classification 1 1 20 0 0 40 0 4 1 Construction Period Budget Estimate 14 14 280 0 0 560 0 56 4 Closeout/Record Dwg Services (Estimated duration 3 weeks) Weeky level of effort by Classification 0 0 0 0 0 0 0 1 Closeout / Record Dwg Budget Estimate 0 0 0 0 0 0 0 0 Subtotal - Labor 14 14 280 0 0 0 IC G • Architecture • Liani.h.corie Architecture • Civil Eughteerium • $ 74.24 Budget 0 0 0 0 30 420 0 0 420 133,825.04 133,825.04 Reimbursables & Subconsultants Subtotal - Reimbursables Material Testing Allowance $ Construction Vehicles (3 months © $750) $ 2,250.00 Miscellaneous - Mileage, Repro, Field Supplies $ 1,500.00 3,750.00 Total Project Budget 137,675.04