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HomeMy WebLinkAboutContract 31300 AMENDMENT TO ENGINEERING CONTRACT STATE OF TEXAS § CITY SECRETARY COUNTY OF TARRANT § Contract No. WHEREAS, the City of Fort Worth (City) and Chiang, Patel & Yerby, Inc. (Engineer) made and entered into City Secretary Contract No. 30551 (the "Contract"), which was authorized by the City Council by M&C C-2026Don the 7`h day of September, 2004; and WHEREAS, the Contract involves engineering services for the following project: Engineering Design Services Associated With Street Reconstruction, Water and Sanitary Sewer Replacement Winnie Street (Dallas to S. Hampshire) and Langston Street (Strong to Burton) 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, Section 1 of the Contract is amended to include the additional engineering services specified in a proposal letter dated January 13, 2005, a copy of which is attached hereto and incorporated herein. The cost to City for the additional services to be performed by Engineer is $7,646.37. 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$90,738.86. 3. All other provisions of the Contract, which are not expressly amended herein, shall remain in full force and effect. ORIGINAL r Amendment No. 1 „p 1/21/2005 Con4pt No.30551 " u d �u ✓'A1tG� `,di, _ dEXECUTED on this the �� day of EL' a' � 2005, in Fart Worth, Tarrant County, Texas. APPROVAL RECOMMENDED: CITY OF FORT WORTH A. Douglas Rademaker, PE Marc A:-Ott µ Director, Engineering Department Assistant City Manager APPROVED AS TO FORM AND LEG LITY: Assistant tty Attorney ATTEST: ENGINEER Chiang, Patel & Yerby, Inc. By: William E. Carroll, PE Vice President t u"A C r, C v I, a Amendment No. 1121/2005 Contract No.30551 'j1 �1 ,; EXHIBIT A: REVISED SUMMARY OF TOTAL FEE AND BREAKDOWN OF DESIGN FEE (LESS SURVEY FEE) A. SUMMARY OF TOTAL FEE Service Water Sewer Paving Total Description Engineering $9,817.03 $9,984.94 $37,393.36 $67,195.33 Design $15,631.319 15,631.31 $62,841.70 Additional $3,059.11 $3,111.43 $10,713.62 $16,884.16 Services Surveying $2,090.50 $1,849.60 $5,073.00 $9,013.00 Services $3,849.50 $11,013.00 Total $14,966.64 $14,945.88 $53,179.98 $83,092.49 $22,592.24 $90,738.86 B. BREAKDOWN OF WATER, SEWER AND PAVING FEES (LESS SURVEY FEES) 1. Total Water Fee (less survey fee) Breakdown by Concept, Preliminary and Final Design a. Concept (30%) = (Total Water Fee—Water Survey Fee) X (0.3) $3,862.84 b. Preliminary (60%) = (Total Water Fee—Water Survey Fee) X (0.6)$7,725.69 c. Final (10%) = (Total Water Fee—Water Survey Fee) X (0.1) $1,287.61 2, Total Sewer Fee (less survey fee) Breakdown by Concept, Preliminary and Final Design a. Concept (30%) = (Total Sewer Fee —Sewer Survey Fee) X (0.3) $3,928.91 $5,622.82 b. Preliminary (60%) = (Total Sewer Fee —Sewer Survey Fee) X (0.6) $7,857.83 $11,245.64 c. Final (10%) = (Total Sewer Fee —Sewer Survey Fee) X (0.1) $1,309.64 $1,874.27 3. Total Paving Fee (less survey fee) Breakdown by Concept, Preliminary and Final Design a. Concept (30%) = (Total Paving Fee—Paving Survey Fee) X (0.3) $14,432.09 b. Preliminary (60%) = (Total Paving Fee — Paving Survey Fee) X (0.6)$28,864.18 c. Final (10%) = (Total Paving Fee — Paving Survey Fee) X (0.1) $4,810.70 ooF ................ Ix M Amendment No. 1 Page 1 January 21,2005 Contract No.30551 Poriners for a Befler Quality of Life, January 13, 2004 Mr. Cannon R. Henry, PE Engineering Department City of Fort Worth 1000 Throckmorton Street Fort Worth, TX 76102-6311 RE: Amendment No. 1 Engineering Design Services Associated With Street Reconstruction, Water and Sanitary Sewer Replacement Winnie Street (Dallas to S. Hampshire) and Langston Street (Strong to Burton) Contract No. 8 Project No. 00021 CP&Y Project No. CFW0437 Dear Mr. Henry: The enclosed proposed Amendment 1 for the Capital Improvements Program for the City of Fort Worth Engineering Department adds additional task items required to design changes to the sanitary sewer lines in the Langston Street area. BASIC SERVICES TASK ITEMS Project Description As part of the City's continuing effort to relocate sewer lines currently constructed between residential buildings, the City has requested that CP&Y abandon sewer L-4509 from Station 0+00 to Station 1+48 and make necessary design changes to transport the flow to line M-191. "rhe new connection to M-191 will be on the east end of Strong Street. SCOPE OF SERVICES Project Tasks As part of the professional services required to complete this project, the Engineer will perform the following tasks: Task 1. Additional Surveying 1.1 Engineer will subcontract Gorrondona & Associates, Inc. to perform additional surveying services necessary to complete this work. Additional surveying tasks are provided in the following items. 1.2 Research property owners and obtain copies of subdivision plats and own r hti do i77' � MACFW043TPROJECT MANAOEMENTTCONTRACNIMENDMENT IWMENDMENT I rO LETTER.DOCMFOU(N 15100 Tri nity BI'vd.,Suite 200 Fort Worth,Texas 76155 817.354,0989 W 817.540.4220 metro.817.354.4935 fax www.cpyi.com Mr. Cannon R. Henry, PE January 21, 2005 Page 2 1.3 Locate property corners and establish property lines and existing right-of-way lines. Prepare a right-of-way map of the existing right-of-way showing lot numbers, ownership with recording information, and all of the parcels of land affected by the project. 1.4 Establish vertical control for the project from existing City of Fort Worth control. Establish three (3) benchmarks for each street survey. The horizontal control shall be assumed with a detailed description being given for each control point. 1.5 Provide a topographic survey along the following: a) Strong Street from the intersection with Langston Street to the creek, and b) Sanitary Sewer Line M- 191 from Strong Street to the south end of Lot 4 on the east side of Langston Street. The topographic survey shall include cross-sections starting 30 feet west of the sanitary sewer line and extending east to the opposite top bank of creek. The topographic survey shall include, but not limited to, locating all existing features such as water valves, curb and gutter, asphalt, sidewalks, medians, fences, driveways, storm and sewer manholes, house and building corners, horizontal and vertical alignment of visible utility lines, sanitary sewer cleanouts in back of the existing houses, tree lines or trees 6" and larger, tops and toes of slope, power poles, mailboxes, signs, telephone risers, and other visible features. 1.6 Public notification shall be in accordance with Exhibit A-1 of the original contract. Task 2. Design Changes 2.1 Engineer will incorporate changes in the sewer design into the Preliminary Construction Plan and Final Construction Plan submittals stipulated in the original contract. Design changes will include the tasks described in the following items. 2.2 Abandon L-4509 from Station 0+00 to 1+48. Abandoned pipe to be filled with grout. 2.3 When replacing L-4512 from 0+00 to 0+94, change the pipe slope so flows from L-4509 are transported to the manhole designated L-4512 Station 0+94 in the intersection of Strong Street and Langston Street. This will require deepening the manhole slightly to accommodate the change in pipe slope. 2.4 Design a new 10-inch pipe from the manhole at L-4512 Station 0+94 to a new manhole on M-191. This manhole will be at approximately Station 109+22. Repair paving in Strong Street. 2.5 Design replacement of existing 10-inch M-191 line from Station 109+22 to Station 107+00 with a 15-inch line. This will require deepening the pipeline about 2 ft. COMPENSATION For engineering services under this amendment, the "City" shall pay the "Engine r",�:Ila fump sum", C, fee of $7,646.37. "M MACM04371PROJECT MANAGEMENT\CONTRACT\AMENDMENT I\AMENDMENT I rO LET7E8,D0CWFG\KN Pwiners for a Better Quality of Life CP& J. Mr. Cannon R. Henry, PE January 21, 2005 Page 3 The SUMMARY OF TOTAL FEE AND BREAKDOWN OF DESIGN FEE (LESS SURVEY FEE) schedule that was provided in the original contract was revised to include additional costs required to perform these additional services. This revised schedule is provided in Exhibit A. SCHEDULE To complete the additional surveying and design work, an additional 45 days shall be added to the design schedule. Please contact me if you have any questions or comments concerning this proposed amendment. Sincerely, William E. Carroll, PE Vice President WEC/mfg/kn Enclosures cc: Michael F. Graves, PE CFW0437—Contract MACFW0437\PR0JECT MANAGEMENINCONTRAMAMENDMENT I\AMENDMENT I rO LETTER.DOC\MFG\KN Partners for a Better Quality of Life C Ny.