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HomeMy WebLinkAboutContract 35588 AMENDMENT NUMBER 1 STATE OF TEXAS S CITY SECRETARY CONTRACT NO. a'ZRR COUNTY OF TARRANT S WHEREAS, the City of Fort Worth (CITY) and TCB INC. , formerly Turner, Collie & Braden, Inc. , (ENGINEER) made and entered into City Secretary Contract No. 33771, (the CONTRACT) which was authorized by the City Council by M&C C-21560 on the 11th day of September, 2006; WHEREAS, the Contract involves engineering services for the following project: Bridges located on North main Street, Henderson Street and White Settlement Road over the future Trinity River By-Pass Channel; WHEREAS, it has become necessary to execute Amendment No. 1 to said Contract to include an increased scope of work and revised maximum fee; NOW THEREFORE, CITY and ENGINEER, acting herein by and through their duly authorized representatives, enter into the following agreement, which amends the Contract: 1. Article I of the Contract is amended to include the additional engineering services specified in the proposal letter dated June 26, 2007, a copy of which is attached hereto and incorporated herein The cost to City for the additional design services to be performed by Engineer total $5,250 . 00 . 2 . Article II of the Contract is amended to provide for an increase in the total lump sum fee to be paid to Engineer for all work and services performed under the Contract, as amended, so that the total fee paid by the City for all work and services shall not exceed the sum of $1,327, 000 . fJ ;�w ��lei Page -1- , r� W"""U' .�h�� YO KO i 3 . All other provisions of the Contract, which are not expressly amended herein, shall remain in full force and effect. EXECUTED on this the day of 2007 in Fort Worth, Tarrant County, Texas. ATTEST: APPROVED: Marty Hendrik Marc Ott City Secretary led-Assistant City Manager &C ItILWIRE p CO ENDED: o rinity Ri er Vision TCB INC. ENGINEER r/'--�-- ��I Ann Kovich, AICP Vice President APPROVAS FORM AND LEGALITY: r' Amy Rlaese y Assistant ity Attorney Page -2- - 2 iff C0020 �l% 'CkE /I R� i Anse E.Kovich,AICP TCB AECO 11 Vice President TCB 1200 Summit Avenue,Suite 600, Fort Worth,Texas 76102-4409 T 817.698.6718 F 817.698.6701 www.tcb.aecom.com June 26, 2007 Mr. Randle Harwood City of Fort Worth 1000 Throckmorton Fort Worth, TX 76102 Subject: Central City Bridges Concept Design—City of Fort Worth Contract No. 33771 Supplemental Agreement No. 1 Dear Mr. Harwood: At our project meeting on June 12, 2007with TRVA and the City, it was determined that CDM would do further HEC RAS modeling of the proposed Trinity River by-pass channel using the bridge sections provided by TCB. We have received a scope and fee proposal from CDM, which is attached to this request. Pursuant to the discussion at the meeting, I am requesting a supplemental agreement to our principal contract#33771 in the amount of$5250.00 to facilitate payment to CDM for the modeling work described in the attached scope. Please let me know if you have any questions. t cerely, Ann Kovich, AICP Vice President cc: Tom Leuschen, P.E. Attachment: Scoping letter from CDM CDM 777 Taylor Street,Suite 1050 Fort Worth,Texas 76102 tel: 817332-8727 fax: 817 332-6870 June 13,2007 Ms. Ann E. Kovich Vice President Turner Collie &Braden,Inc. 1200 Summitt Avenue Suite 600 Fort Worth,TX 76102 Subject: Engineering Letter Agreement for Preliminary Consulting Services Dear Ann: Pursuant to our discussion at yesterdays meeting with TRVA and JQ ty,please consider this letter agreement to provide initial modeling services to assist with preliminary H&H modeling of the revised bridge concepts for the Central City Project. We understand that these initial modeling services will be provided to assist in identifying a potentially workable project bridge/channel approach only. This work will include: • Incorporating the revised proposed bridge sections by TC&B into the current HEC-RAS model. • Review of the south of Seventh Pedestrian Bridge HEC-RAS Section as furnished by the City for applicability to the current pedestrian bridge section in the model. • Incorporating a two tiered retaining wall hard edge into the model. • Reducing the hard edge protrusion by 10 ft. on the lower walkway, • Preliminary model runs to determine the benefits from these modifications. • Attendance at one meeting to discuss results of the preliminary model. These services are intended as preliminary modeling to determine,in general, the viability of concepts to satisfy various project constraints. They do not include: ■ Final model configuration or regulatory submittals U:\2521•TRWD\Fort Worth Central Cily\Kovich 061307.doc consulting•engineering•construction•operations CDM Ann Kovich June 13,2007 Page 2 • Written reports • Changes to civil and/or grading plans • Other changes to bridges, channel sections, or structures. The not to exceed amount for these initial services,under this letter agreement,is$5,000. We understand that prior written approval must be obtained for any additional efforts which exceed this amount. If this letter agreement is acceptable,please sign both copies and return one signed agreement tom �e appreciate this opportunity to be service to TC&B, and the City of Fort Worth. c el , al R. Funderlic,P.E. Associate Camp Dresser&McKee Inc. Accepted: Date: By: Ann Kovich, Vie President U:12521-TRWDTort Worth Central Citffmich 061307.doc