HomeMy WebLinkAboutTIC 2018-06-25 Item 2D - Contract Supplement #1 - 2018 Annual Bridge Inspections and Repairs with TranTechCity of Tukwila
Allan Ekberg, Mayor
Public Works Department - Henry Hash, Director
INFORMATIONAL MEMORANDUM
TO: Transportation and Infrastructure Committee
FROM: Henry Hash, Public Works Director
BY: Steve Carstens, Senior Program Manager
CC: Mayor Ekberg
DATE: June 22, 2018
SUBJECT: Annual Bridge Inspections and Repairs 2018
Project No. 91810402 and 91710406, Contract No. 18-056
Design Consultant Supplement No. 1
ISSUE
Approve Supplement No. 1 to Contract No. 18-056 with TranTech Engineering, LLC for the repair of the
S 196th/200th St Bridge as part of the Annual Bridge Inspections and Repairs.
BACKGROUND
The City has been monitoring the S 196th/200th St Bridge for settlement on the west end of the bridge
structure. Upon a recent inspection, it was noted the settlement had increased to three inches. This
settlement now requires action to be taken by the City to remedy the issue.
ANALYSIS
TranTech Engineering will provide full Plans, Specifications, and Engineering estimate to complete the
work for the project. Once design is complete, bids are estimated to be advertised with construction
scheduled for September 2018.
FISCAL IMPACT
TranTech has provided a cost not to exceed $20,000.00 to perform the final design as part of the 2018
Annual Bridge Inspections and Repairs Project. The project costs are within budget.
Design Repair Services (original)
Design Supplement No. 1
2018 Bridge
Contract Budget
$39,950.00 $335,000.00
20, 000.00 0.00
$59,950.00 $335,000.00
RECOMMENDATION
Council is being asked to approve Supplement No. 1 to Contract No. 18-056 with TranTech
Engineering for the S 196th/200th St Bridge Repairs as part of the 2018 Annual Bridge Inspections and
Repairs Project in the amount of $20,000.00 and consider this item on the Consent Agenda at the
July 2, 2018 Regular Meeting.
Attachment: Consultant Agreement for Engineering Services
W:1PW Eng1PROJECTSIA- RW 8 RS Projects\S 196th -200th St Bridge Repair (91710406)101 - Preliminary EngineeringlInfo Memo Trantech 20180622 gl sm.docx
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City of Tukwila
6200 Southcenter Boulevard, Tukwila WA 98188
Agreement Number: 18-056
CONTRACT FOR SERVICES
Amendment # 1
Between the City of Tukwila and _TranTech Engineering, LLC.
That portion of Contract No. 18-056
TranTech Engineering, LLC is amended as follows:
Section 4A:
between the City of Tukwila and
The "not to exceed" amount is increased to $59,950.00 per the attached Exhibit B1.
All other provisions of the contract shall remain in full force and effect.
Dated this
day of , 20
CITY OF TUKWILA CONTRRAACTQEt-TraATecti Engineering, LLC
Allan Ekberg, Mayor
Printed -Name: Grant D Griffi
ATTEST/AUTHENTICATED APPROVED AS TO FORM
Christy O'Flaherty, MMC, City Clerk City Attorney
Page 1 of 1
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SCOPE OF WORK
TRANTECH Engineering
2018 Bridge Program Engineering Support
Amendment No. 1
City of Tukwila, WA
PROJECT DESCRIPTION
The City of Tukwila has identified several tasks necessary for the advancement of their Citywide
Bridge Program in 2018. These tasks include providing construction documents for west approach
span repairs of the 196`h/ 200th Street Bridge, permit load rating services to manage the load posting
of the 42nd Street truss bridge, and providing miscellaneous engineering support for other bridge
program tasks as identified by the City.
This Amendment No. 1 provides additional funds to complete the open-ended work as described
in the original Scope of Work and as directed by the City. These funds also provide for projected
additional work as detailed in the original contract and as required by the City.
All work shall be in accordance with the original contract Scope of Work.
SC EDULE
The contract schedule shall remain as detailed in the original contract.
SCOPE OF WORK — TECHNICAL APPROACH
The task items listed below will be performed by TRANTECH for the City in accordance with
the original contract Scope of Work.
Task 1 — 196'111 200'1' Street fi ridge Repair Construction Documents
The 90% complete contract documents have been submitted to the City. Amendment No. 1 will
provide additional funds to incorporate the final review comments to be provided by the City
into the contract documents. A final 100% contract document submittal will be provided to the
City as detailed in the original contract documents under Task 1 deliverables.
Task 2 — 42°d Street Load Rating Services
Amendment 1 will provide additional funds to allow TranTech to finalize load rating analysis
currently in progress and to continue providing load rating analysis for any additional trucks
identified as requiring permit access to cross the load posted bridge as requested by the City.
Task 2 deliverables will remain as detailed in the original contract.
Task 4 — Miscellaneous ti ridge Program Support
Task 4 remains as detailed in the original contract document Scope of Work.
Tukwila Bridge Program Engineering Support, Amendment No. 1 -- SCOPE OF WORK Page 1
TRANTECH ENGINEERING
67
Feasibility Study
Page 1
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EXHIBIT B1 - BudgetTRANTECH
1
Engineering
LLC
City of Tukwila 2018 Bridge Program Engineering Support, Amendment No. 1
Project
QA/QC
Senior
Project
Staff
Senior
Senior
Senior
Senior
Const.
Assistant
Clerical
Total
Task Items
Manager
Engr.
Struc.
Engr.
Struc.
Engr.
Struc.
Engr.
Coating
Engr.
Traffic
Engr.
CAD
Civil
Engr.
Engr.
Inspector
_
Task 1 - 196th/ 200th Street Bridge Repair Construction Documents
4
8
8
8
8
2
16
2
4
60
Task 2 - 42nd Street Load Rating Services
4
4
8
32
32
2
82
Task 4- Miscellaneous Bridge Program Support
8
2
2
2
2
2
18
Total Manhours
16
14
18
42
42
2
2
16
0
2
0
6
160
Direct Labor Rates (DLR)
$ 57.50
$ 59.00
$ 58.00
$ 55.00
$ 39.00
$ 36.00
$ 50.00
$ 37.00
$ 52.00
$ 56.00
$ 36.00
$ 22.00
Total Direct Salary Cost
$920
$826
$1,044
$2,310
$1,638
$72
$100
$0
1 $112
$0
$132
$7,154
Profit at 30% of DLR
$2,146
Overhead at 1.4272 times DLR
$10,210
$19,510
Total Labor Cost
Direct Costs (Copy, Fedex, ...)
$500
Total
$20,010
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