TULSA

ECfl= I EMORANDU IDivision

DATE: April 14, 2014

TO: Board of County Commissioners

FROM: Tom Rains, County Enginee~~’

SUBJECT: Engineering Services contract for Garnett Road, 81st Street Through101st Street-Amendment No. 3

We present for your approval Amendment No. 3 between Tulsa County andDewberry Engineers, Inc.

This Amendment provides for additional work to accommodate bidding of waterline relocations for the City of Tulsa and additional geotechnical investigations for aproposed drainage channel south of 91st Street.

We recommend approval of this Amendment.

TR: amAttachments

Original: Pat Key, County Clerk, for the April 21, 2014 Agenda

xc: Commissioner John M. Smaligo, Jr.Commissioner Karen KeithCommissioner Ron PetersMark Liotta, Chief DeputyVicki Adams, Chief DeputyFile

AMENDMENT NO. 3

to

AGREEMENT

for

PROFESSIONAL ENGINEERING SERVICES

forGARNETT ROAD, 81ST STREET THROUGH 101ST STREET

This AMENDMENT NO. 3 to Agreement for Professional Engineering Services is made andentered into this __________ day of ____________, 2014 between Tulsa County in the State ofOklahoma, hereinafter referred to as COUNTY, and Dewberry Engineers Inc., hereinafterreferred to as ENGINEER;

WITNESSETH:

WHEREAS, COUNTY and ENGINEER entered into an AGREEMENT dated August 20, 2007,under which the ENGINEER was to provide professional engineering services in connectionwith the PROJECT; and

WHEREAS, COUNTY requires additional professional design services in connection with thePROJECT, hereinafter referred to as the AMENDMENT NO. 3, and

WHEREAS, funding is available for payment of the ENGINEER for providing the additionalservices under this AMENDMENT No. 3.

NOW THEREFORE, in consideration of the promises contained herein, the parties hereto agreeto amend the Agreement as follows:

1.0 SCOPE OF PROJECT: The scope of this PROJECT as described in Attachment A,SCOPE OF PROJECT shall be amended as described in Attachment A-3, which isattached hereto and incorporated, by reference as part of this AMENDMENT.

2.0 SERVICES: ENGINEER shall perform the SERVICES described in Attachment B-3,SCOPE OF SERVICES, which is attached hereto and incorporated by reference as partof this AMENDMENT.

3.0 COMPENSATION: the COUNTY and the ENGINEER agree that the ENGINEER shallbe compensated for these additional services in accordance with Attachment D-3,COMPENSATION FOR ADDITIONAL SERVICES, which is attached hereto andincorporated by reference as part of this AMENDMENT.

Page 1 of 3 50008541

As set forth in the AGREEMENT, AMENDMENT No. 1, 2 and No. 3 the total maximumbilling amount is Three Hundred Twenty Seven Thousand Eight Hundred Six Dollarsand 32 cents ($327,806.32), which amount shall not be exceeded without further writtenauthorization by the COUNTY.

Cost Execution Date

AGREEMENT $276,463.38 August 20, 2007

AMENDMENT No. 1 $34,210.00 June 1. 2011

AMENDMENT No. 2 $7,982.94 February 11,2013

AMENDMENT No. 3 $9,150.00

Total Maximum Billing $327,806.32

(Balance of This Page Left Intentionally Blank)

Page2of 3 50008541

IN WITNESS WHEREOF, the parties have executed this AMENDMENT No. 3 in multiple copieson the respective dates noted herein, said AMENDMENT to be effective on the date executedby the Chairman of the Board of County Commissioners.

APPROVED AS TO FORM:

A sistant Dis ict ‘{torney- ‘I

• I’

~ ~‘AT’TEST (Seal)

Assistant Secretary

State of Oklahoma

County of TulsaSS

Subscribed and sworn to before me on the

My Commission Expires:

, ,

Dewberry Engineers Inc.

D. Michael Arand, P.E., Vice President

• dayof A f~L

~otary Public

(SEAL)ATTEST:

Tulsa County, OklahomaBoard of County Commissioners

County Clerk Chairman

Date ____

Page 3 of 3

AMENDMENT NO.3

toAGREEMENT

forPROFESSIONAL ENGINEERING SERVICES

forGARNETT ROAD, 81ST STREET THROUGH 101ST STREET

SCOPE OF PROJECT

ATTACHMENT A-3

A. SCOPE OF PROJECT: The PROJECT as covered by the original Agreement datedAugust 20, 2007, between COUNTY and ENGINEER consists of improving Garnett Road froma rural, two-lane asphalt roadway to an urban five-lane asphalt street from 815t Street to 915t

Street and a four-lane asphalt street from g1st Street to 101st Street.

Amendment No. 1 to the original agreement includes modifications to the sidewalk and stormdrainage system designs to accommodate AEP/PSO utility relocations; modifications to thedrainage design to accommodate future development on property adjacent to the roadway andowned by the Warren Foundation; and separating the original project into two separate bidpackages — one for the roadway north of 91st Street and the other south of g1st Street.

Amendment No. 2 to the original agreement includes the design and preparation of plan sheetsfor the relocation of approximately 2,400 linear feet of City of Tulsa 12” waterline in conflict withthe proposed Garnett Road roadway construction. The proposed relocation extends fromStation 179+00 to Station 203+00. In addition, Amendment No. 2 also provides for updating thesignal plans to the current City of Tulsa and MUTCD standards.

Amendment No. 3 to the original agreement includes the preparation of additional plan sheetsrequired to make the City of Tulsa waterline relocation a separate bid package, complete withbid documents and specifications; attendance at pre-bid meeting, preparation of bid tabulation;and recommendation of award. In addition, Amendment No. 3 includes additional geotechnicalinvestigations for a proposed drainage channel south of 91st Street.

Page 1 of 1 50008541

AMENDMENT NO.3

to

AGREEMENT

for

PROFESSIONAL ENGINEERING SERVICES

for

GARNETT ROAD, 81ST STREET THROUGH 101ST STREET

SCOPE OF SERVICES

ATTACHMENT B-3

B. SCOPE OF SERVICES: The services to be performed by the ENGINEER under thisAmendment No. 3 shall include:

• Preparation of additional construction plan sheets, bid proposal and specifications for aseparate project to facilitate the relocation of approximately 2,400 linear feet of 12”waterline for the City of Tulsa;

• Attendance at a Pre-Bid Meeting for the waterline relocation contract and preparation ofa Bid Tabulation and Award Recommendation letter for the waterline constructioncontract.

• Additional Geotechnical Investigations for the proposed drainage channel south of g1stStreet to determine if the material is suitable for use under the roadway.

Page 1 of 1 50008541

AMENDMENT NO.3

to

AGREEMENT

for

PROFESSIONAL ENGINEERING SERVICES

forGARNETT ROAD, 81ST STREET THROUGH 101ST STREET

COMPENSATION FOR ADDITIONAL SERVICES

ATTACHMENT D-3

D. COMPENSATION: The COUNTY agrees to pay, as compensation for services set forthin Attachment B-3 of this AMEMDMENT No. 3, the following compensation, payable monthly aseach Phase of the work progresses; and within 30 calendar days of receipt of invoice.ENGINEER shall submit monthly invoices based upon the services actually completed at thetime of billing. Invoices shall be accompanied by such documentation as the COUNTY mayrequire in substantiation of the amount billed.

D.1 TOTAL COMPENSATION: For engineering services as set forth in Attachment B-3 ofthis AMENDMENT No 3, the total Lump Sum billing for the additional services shall be NineThousand One Hundred and Fifty Dollars and Zero cents ($9,150.00), which amount shall notbe exceeded without further written authorization by the COUNTY. The total cost of the contractwill be Three Hundred Twenty Seven Thousand Eight Hundred and Six Dollars and 32cents ($327,806.32).

Cost

Waterline Addition $6,000.00

Additional Geotechnical $3,150.00Services

Total Amendment No. 3 $9,150.00

Page 1 of 1 50008541