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Home My WebLink AboutContract 35352-A2 (2) AMENDMENT NO. 2 STATE OF TEXAS S CITY SECRETARY CONTRACT NO. a-Aa (No M&C Needed) COUNTY OF TARRANT WHEREAS, the City of Fort Worth (City) and Dunaway Associates, L.P. , (Engineer) made and entered into City Secretary Contract No. 35352, (the Contract) which was executed administratively by the City Manager on the 4th day of January 2007; and WHEREAS, the Contract involves engineering services for the following project: Randol Mill Culvert Improvements, Project No. 00702 WHEREAS, it has become necessary to execute Amendment No. 2 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 a proposal letter dated January 5, 2011, 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. $25,400 . 00 . 2 . Article II of the Contract is amended to provide for an increase in the maximum 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 $215,473 . 00. City of Fort Worth,Texas OFFICIAL RECORD Amendment to Engineering Agreement C PMO Official Release Date:10.01CITY SECRETARY .2070 IT Page i of 2 FT. WORTH, TX 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 day of Fib. •-�t�� , ��I�1 f , in Fort Worth, Tarrant County, Texas. QR00000000 ATTEST: po c n P tau woo Marty HendrixO o d City Secretary *°oa o° ICY APPROVAL RECOMMENDED: APPROVED: G s3 William K. Ver est, P.E. Director, Fernando Costa Transportation and Public Works Assistant City Manager Dunaway Associates, L.P. NM& s UJRED ENGINEER _ .. By: Name: ',5Ta-F1415nS Principal, Director of Public Sector Services 550 Bailey Ave. , Suite 400 Fort Worth, TX 761.07 APPROVED AS TO FORM AND LEGALITY: l� Assistant City Attorney City of Fort Worth,Texas Amendment to Englneerfng Agreement PMO dtficlal Release Date:&1&2010 Page 2 of 2 OFFICIAL RECORD CITY SECRETARY FT. WORTH,TX DA No. 2407143 January 4, 2011 Mr. Michael Owen, P.E, City of Fort Worth Department of Engineering Fort Worth,Texas 76102 Reference; Amendment No. 2 Randol Mill Culveil Improvements City Project No.00742 Mr. Owen: This letter constitutes our request for supplemental authorization for tasks outside the scope of services of our current contract. The additional work, requested at the October 14, 2010 coordination meeting, includes the following tasks: 1. Chancre in Culvert Configuration — Dunaway Associates was asked to revise the construction drawings to reflect construction of only the south half (future eastbound side) of the proposed culvert. Due to current budgetary considerations, the decision was made to reduce the culvert length as a means to reduce the overall project cost. 2. Access Ramp—The City staff requested that Dunaway Associates include an access ramp to the channel on the south side of Randol Mill Road to facilitate maintenance of the Culvert (primarily debris removal), 3. Gabion_�esian — Dunaway Associates was also asked to replace the rock riprap erosion protection around the culvert headwalls with gabion erosion protection. The use of gabions for erosion protection rather than rock riprap was requested based on the preference of City staff of gabions over rock riprap. 4. Coordination Meeti%Ls — Dunaway Associates will attend up to two (2) additional project coordination meetings to discuss the plan revisions associated with the shortened culvert length. These changes in the design will necessitate the following changes to the construction drawings,which have been prepared to the 60% submittal level: Update index of drawings. o Revise the right-of-way and easement layout on all sheets (less ROW and easement acquisition will be required on the north side of the ROW) Delete the water line relocation plan and general notes (no longer required in this phase) 9 Update key map and typical sections. 530 f4r,rrev Averam,Shire 400 L rrrI vlorPii,h.-mis 16107E fel:7317-3:45-1 121 9 I-u{ 81 7-3353-M a rkrncst:uy:3sSec ales-rnrn Amendment No.2—Project No. 00702 January 4, 2011 Page 2 • Update pian view of project control and alignment data sheet. o Revise the traffic control plan view and Phase 2 section. n Redesign retaining wall for north side of road. o Update the roadway plan/profile drawings. 4 Develop interim grading plan to accommodate construction of half of the culvert and the temporary retaining walls. a Revise the hydraulic computer model of Stream WF-1 to determine the 100-year floodplain profile through the shortened culvert and updated the cross section drawing to reflect interim cross section data. o Revise the culvert plan/profile drawing to reflect the shortened culvert length. o Revise the erosion control plan to reflect the shortened culvert length, channel grading, and the gabion erosion protection. a Revise the proposed roadway cross sections to show completion only half the roadway section at the shortened culvert. • Development of plantprofile drawings for the proposed gabion erosion control measures showing dimensional control and elevations of the various gabion components. o Preparation of a gabion detail sheet. A summary of the revised total project fee is as follows: Basic services Fee: 1. Original Contract $ 24,500.00 2. Amendment#>`1 $ 165,573,00 3. Amendment#2 $ 25,400.00 Total Project: $ 215,473.00 MNVBE Participation MIWBE Goal Original Contract—0% Provided—10%($2,5001$24,500) MIWBE Goal Amendment 1 —22% Provided--23%($37,6981$165,573) MIIIVBE Goal Amendment 2—0% Provided—0%($2,5001$25,400) Overall Project—20%($40,1981$295,473) Please review the enclosed information, Do not hesitate to call me if you have any questions or require additional information regarding this proposal. Amendment No. 2—Project No. 00702 January 4, 2011 Page 3 Sincerely, DUNAWAY ASSOCIATES, L.P. Stephen R. James, P.E. Principal Director, Public Sector Services Cover Letl ler Amendment#1A oG r Staff&2011 Oilling Rates Sheets To Be Reviser)For Tho Ghange In Scope Principal Dept.Head Prof.Eng. CAD Tech. Clerical $200 $155 $105 $95 $75 ; _ 2 La and nd and Index of Oravrings 0.5 3 ROW Parcels and Easements1 2 0,5 5 Water tine Rn Plan T elocatioC]_BE f3ELt=TE_ aj -"-�- 7 Keymap and Typical Section " "" "" 1 4 8 Project Control andAtignmanI Data 2 2 10 Traffic Control Plan Phase 1 Traffic Control Pian Phase 2 -__ 2 2 12 Traffic Gonlrol Plan Please 11 Retaining Walls 9 2 4 4 , 13 Road Plan&Profile STA 0+00 to STA 4+50 1� 1 4 2 15 Float Grading Shoot-11-of 21 3 10 12 16 Final Gradfng Sheet 2 of 2 f�•��__ 9W' ij 3 t _ i8- HEC-RAS Sections _._.__.... -----a . • 1 19 zdraulfc Calculations _ 2 8 2 �20 Culvert Plan1 1 g g — -- 21 Wingwall profiles - ..__._.. 4 4..._ _ 27 Erosion Cnnlml Plan 1 4 4 32 Road Cross Sections STA 4+00 to STA 7+00 34 Channel Cross Sections 1 Gabion Plan/Profile 2 W 4 16 16 ` Gahion Vetils - 1 2 a 6" S 19 85 78 0 Two additional coordination meetings 4 4 2 Total Manliours 13 23 85 78 2 $2,600 $3,565 $8,825 $7,410 $150 Professional Services: $22,650 Add%topo for maintenance access&easement: $2,500 Expenses: $250 Total Contract Amendment No.2: $25,400