HomeMy WebLinkAboutStanley Consultants - Supp Agrmnt No.2 (ParkAve11thStreetBridges) 9.8.2020SUPPLEMENTAL AGREEMENT NO. 02
This Supplemental Agreement, made and entered into by and between STANLEY CONSULTANTS, INC.
(Consultant) and CITY OF WATERLOO (Client) amends their agreement of September 23, 2019, for
Consultant to provide services to the Client for the Feasibility Study for Replacement of Park Avenue and 11th
Street Bridges over the Cedar River, as follows:
Scope of Services
This Supplemental Agreement is for preliminary and final engineering design and bidding phase services.
Refer to attachment Exhibit 1 — Scope of Services.
Each task is required to satisfy the requirements for preparing the design and environmental documents and
to meet the requirements for an Iowa DOT letting for Replacement Park Avenue and 11th Street Bridges over
the Cedar River in Waterloo, Iowa.
Time of Beginning and Completion
September 8, 2020 through September 30, 2021
Fees and Payments
Original Professional Services Agreement
Supplemental Agreement No. 1
$505,000.00
$ 28, 643.00
Task Compensation
Supplemental Agreement No. 2
- Engineering Designs, Field Surveys and Bidding Services $1,043,000.00
Subtotal Amount $1,043,000.00
New Total Contract Amount $1,576,643.00
Except as specifically amended by this Supplemental Agreement, all the terms and conditions of the original
Agreement dated September 23, 2019 shall remain in full force and effect.
IN WITNESS WHEREOF, the parties have caused this Supplemental Agreement to be executed on the date
below indicated.
STANLEY CONSULTANTS, INC. CITY OF WATERLOO
By:
Digitally signed by Marvinetla L. Hartwig
DN: C=US,
Marvinetta L. Hartwig ED_HarlwigMarvinetta2lanleyarvi erL'.
-Slanle Consultants, CN=M ha L.
Hartwig
Date: 2020.09.02 10:53:09-06'00'
Marvinetta L. Hartwig,
P.E. Vice President
Date: September 2, 2020
Attest:
By:
Wendy Diekema
BY: Quevliul Hart
10
Date: 9/8/2020
Attest:
By: Kelley �elc/ le
IIDsm-fsl\City_of Waterloo_lowa129363 llthandParkAveBridgeReplacementslContracts1SupplementalAgreemento2__20200902
SC3881 1014
Stanley Consultants INC.
Exhibit 1
Scope of Services
PARK AVENUE AND 11TH STREET OVER CEDAR RIVER BRIDGE REPLACEMENTS
PRELIMINARY AND FINAL DESIGN
CITY OF WATERLOO, IOWA
The City of Waterloo (CLIENT) proposes replacing the existing Park Avenue and 1 Street over Cedar
River Bridges. The existing bridges in downtown Waterloo are nearing the end of their service life.
This will be a multi -phase contract with three separate phases of work: Feasibility Study, Preliminary and
Final Engineering Design and Bidding Phase, and Construction Phase Services.
This Scope of Work is for preliminary and final engineering design and bidding phase services of the project.
PART 2 - BASIC SERVICES
The CONSULTANT shall perform Basic Services consisting of those described below.
2.1 Project Management
2.1.1 Monitor and update the project schedule as required. Proposed project schedule developed
following guidelines for the Competitive Highway Bridge Program (CHBP) grant schedule.
2.1.2 Provide progress reports monthly identifying work completed during previous month,
describing upcoming tasks, and documenting information requested from CLIENT.
2.1.3 Coordinate with Iowa Department of Transportation (Iowa DOT) Local Systems Bureau as
needed throughout project.
2.2 Public Involvement
2.2.1 Monitor and maintain the social media website for the project through coordination with the
CLIENT. Website development included with previous design phases.
2.2.2 Provide up to two (2) project updates at City Council Workshop. Discuss project progress
with CLIENT as design advances.
2.2.3 Continue coordination with key stake holders.
• For 1 Street bridge, stakeholders to include, but not limited to, Crystal Ice and Powers
Manufacturing,
• For Park Avenue bridge, stakeholders to include, but not limited to, Main Street Waterloo
and Waterloo Development Corporation (WDC).
2.2.4 Attend up to two (2) Public Information Meetings to present Preferred Alternative.
2.2.4.1 Up to three (3) members from CONSULTANT to attend meetings.
2.2.4.2 Prepare up to four (4) display exhibits for Public Information Meeting such as the
following:
• Elevation View of Preferred Alternative showing possible aesthetics
• Cross Sections of the proposed structures
• Retaining Walls along approach roadway at 11th Street bridge
• Retaining Walls and Connection to lower Plaza along approach roadway at Park
Avenue Bridge
Scope of Work - Park Ave and 11TH Street over Cedar River Bridge Replacements — Design Phase Services Page 1 of 7
Stanley Consultants INC.
Exhibit 1
Scope of Services
2.3 Competitive Highway Bridge Program Grant Coordination
2.3.1 CONSULTANT shall participate in up to three (3) conference calls with the CLIENT and
Iowa DOT to coordinate this project for compliance with CHBP grant requirements.
2.4 NEPA Clearance / Environmental Documentation
2.4.1 Develop Concept Statements and submit to Iowa DOT Location and Environment Bureau for
review and coordination to complete NEPA clearance. Address comments and provide
additional information to complete the Environmental Review process
2.4.1.1 Proceed with project development assuming a Programmatic Categorical Exclusion or a
Categorical Exclusion with a signoff.
2.4.1.2 Complete documentation as required by the State Historical Preservation Organization
(SHPO). Prepare Section 4f Statement for Park Avenue Bridge and other documentation
required to obtain SHPO clearance.
2.5 Preliminary Design
2.5.1 Perform one-dimensional hydraulic analysis using HEC-RAS for the proposed Project.
2.5.1.1 Review the existing Cedar River hydraulic model provided by the CLIENT. Coordinate
with the CLIENT to discuss recommendations if any changes to the existing model are
suggested.
2.5.1.2 Develop the proposed model by modifying existing cross section in the HEC-RAS model
for replacing the existing Park Avenue Bridge and the 11th Street Bridge.
2.5.1.3 Generate a summary of the results of the proposed model compared to the existing model.
Submit to CLIENT for cursory review.
2.5.1.4 Proposed condition shall meet the "No -Rise" criteria. Verify no insurable structures will
be impacted by the bridge replacement.
2.5.1.5 Perform preliminary scour analysis.
2.5.1.6 Contact the U.S. Army Corps of Engineers (USACE) regarding the Project and provide a
preliminary description of the Project. Establish appropriate number of reviews and
timeline to secure 408 permit.
2.5.2 Advance the preliminary design of the preferred alternatives to a level of detail compatible with
Local Public Agency Projects let by the Iowa DOT.
2.5.2.1 Obtain supplemental topographic survey, utility information, and related modifications
related to construction based on the preferred alternatives.
2.5.2.2 Develop bridge and approach roadway layout details and limits of work.
2.5.2.3 Develop Situation Plan and Site Plan sheets (TS&L) to level of detail consistent with Iowa
DOT Bridges and Structures Bureau Preliminary Design deliverables. Utilize Iowa DOT
Preliminary Plans checklist.
2.5.2.4 Perform independent quality and constructability reviews.
2.5.2.5 Submit TS&L and preliminary road plans to CLIENT and Iowa DOT for review.
2.5.2.6 Incorporate comments from CLIENT. Submit TS&L to Iowa DOT Local Systems Bureau
and Bridges and Structures Bureau for review.
2.5.2.7 Submittal to be by electronic PDF. One (1) hard copy of all documents will be provided
only if requested by the CLIENT.
Scope of Work - Park Ave and 11TH Street over Cedar River Bridge Replacements — Design Phase Services Page 2 of 7
Stanley Consultants INC.
Exhibit 1
Scope of Services
2.5.3 Develop plan details for USACE floodwall tie-in connections to new bridges. Include details
for temporary flood protection closures at each end of Park Avenue Bridge.
2.5.3.1 Submit 30% plans to USACE for review and comment.
2.5.3.2 Conduct conference call with CLIENT and USACE to review details and comments.
2.5.4 Advance the preferred feature accent lighting design. Prepare exhibits showing location of LED
lighting fixtures and light levels, colored renderings, and estimated construction costs. Submit
to CLIENT for review.
2.5.5 CONSULTANT shall coordinate with CLIENT to incorporate any aesthetic features into the
preliminary design. Aesthetic features could include items such as fencing style and color,
metal railing style and color, handrail style and color, light pole styles, concrete form -liners, or
other items that do not require specialized design. Aesthetics on barriers will be limited to
details added to pre -approved crash tested barriers.
2.5.6 Continue to assist CLIENT and CN RR with abandonment of track crossing at 1 1th Street.
2.5.7 Contact and coordinate with utilities located on or near the bridge and approaches, per Iowa
DOT's Instructional Memorandum "Utility Accommodation and Coordination".
CONSULTANT to coordinate with each utility that may need to relocate, or be accommodated,
to develop mitigation or relocation schedule. Include known utilities on construction drawings
as appropriate.
2.5.8 Update design and approximate construction schedules.
2.5.9 Update Estimate of Probable Construction Cost using Iowa DOT bid item descriptions and
recent awarded unit prices.
2.5.10 Attend one (1) review meeting with CLIENT and other stakeholders. Up to three (3) persons
from CONSULTANT shall participate in meeting. CONSULTANT shall provide agenda and
prepare and distribute meeting minutes.
2.5.11 Attend one (1) Public Information Meeting or one (1) City Council workshop.
2.5.11.1 Assist with preparation of exhibits if requested by the CLIENT.
2.5.11.2 Attend and support CLIENT led Public Information Meeting. Respond to questions as
appropriate.
2.5.11.3 Coordinate with CLIENT to determine date of meeting. The meeting may be moved to
other phases of the Project development schedule at the discretion of the CLIENT.
2.6 Supplemental Survey
2.6.1 Identify additional detailed survey needed based on the preferred alternative.
2.6.2 Conduct supplemental survey and add to previously developed survey files.
2.6.2.1 Critical apparent Right -of -Way (ROW) and property lines will be plotted based on
available data including courthouse or deed research as needed.
2.6.2.2 Inverts at utility manholes will be collected.
2.6.2.3 Limited traffic control will be included in the field survey by the survey field crew as
required to conduct work.
2.6.3 Temporary and permanent easements plats will be developed and submitted to CLIENT for
ROW acquisitions.
Scope of Work - Park Ave and 11TH Street over Cedar River Bridge Replacements — Design Phase Services Page 3 of 7
Stanley Consultants INC.
Exhibit 1
Scope of Services
2.6.4 DELIVERABLES:
2.6.4.1 All supplemental survey data will be added to previously delivered MicroStation/Open
Roads format using Iowa DOT coding methods, linework and layers.
2.6.4.2 Up to one (1) acquisition plat will be developed and submitted to CLIENT.
2.6.4.3 Up to twenty (20) temporary easement plats will be developed and submitted to CLIENT.
2.7 Geotechnical Exploration
2.7.1 Develop a Drilling Program Plan in accordance with USACE ER-1110-1-1807 utilizing the
approved Situation Plan for locations. Drilling Plan will need separate permit approval from
USACE Section 408 and shall be prepared and submitted by CONSULTANT to the CLIENT
appropriate with the design schedule. CLIENT will submit application to USACE for approval
prior to mobilization.
2.7.2 Exploration to include up to seven (7) borings at each bridge with six (6) additional borings for
each corridor for retaining walls, flood wall closures, and approach roadway.
2.7.3 Include bedrock coring at bridge borings.
2.7.4 Develop geotechnical report including boring plan, boring logs, and results of laboratory
testing, and slope stability analyses. Include recommendations for abutments slopes, feasible
foundation types, pile/rock capacities for use in foundation design of bridge and retaining walls,
and recommendations for addressing any potential settlement.
2.7.5 Geotechnical plan sheets to include SPS' sheets for bridge soil borings, 'CS' sheet tabulations
as required, and `Q' sheets for roadway and retaining wall borings.
2.7.6 Incorporate comments received from the CLIENT. Submit Final, signed and sealed,
geotechnical report. Submittal to be by electronic PDF. One (1) hard copy of report will be
provided only if requested by the CLIENT.
2.8 Final Design / Construction Documents
2.8.1 Finalize hydraulic model and scour analysis.
2.8.1.1 Update hydraulic model for any changes during preliminary design.
2.8.1.2 Perform hydraulic analysis and design of any scour protection requirements, if needed.
2.8.1.3 Document results in a Hydraulic Analysis Report including "No -Rise" Certification.
2.8.1.4 Prepare and submit the Joint Application to Iowa DNR (for Floodplain Construction and
Sovereign Lands permits) and to USACE in accordance with Section 404. Application
material shall be submitted by CONSULTANT appropriate with the design schedule.
Facilitate a coordination meeting or conference call, with the agencies to discuss the
Project, if needed.
2.8.1.5 Prepare Flood Contingency Plan and any navigational river signage for construction phase.
2.8.1.6 Prepare Section 408 review request. CONSULTANT to submit application to USACE.
2.8.2 Complete structural, roadway, and bridge lighting analysis and calculations.
2.8.2.1 Bridge Design to be designed in accordance with the IowaDOT Bridge Design Manual and
the AASHTO LRFD Bridge Design Specification
2.8.2.2 Retaining Walls to be designed in accordance with the Iowa DOT Bridge Design Manual
and the AASHTO LRFD Bridge Design Specification
Scope of Work - Park Ave and 11TH Street over Cedar River Bridge Replacements — Design Phase Services Page 4 of 7
Stanley Consultants INC.
Exhibit 1
Scope of Services
2.8.2.3 Roadway Design includes road, drainage, sidewalks, stairs, retaining walls, landscaping
islands, intersection detailing, entrances, utility relocations, coordination with structures,
lighting, landscape architect
2.8.2.4 Trails to be tied to roadway and existing trail system along the river. Detailed grading,
coordination with retaining walls and flood walls.
2.8.2.5 Lighting includes safety lighting for roadway and sidewalk/bike lanes.
2.8.2.6 Floodwall tie-in details to be designed in accordance with USACE requirements.
2.8.2.6.1 Develop details in flood protection walls and roadway surface to permit temporary
flood protection closure installations at Park Avenue.
2.8.2.6.2 Develop details for reconstructing river walls under west end span at Park Avenue.
2.8.2.6.3 No effort to reconstruct floodwalls or levees beyond immediate connections to the
proposed bridges.
2.8.2.6.4 This bridge replacement project is not a flood control system project and no part
of this scope of services shall be construed as such. This Project will tie into
existing flood control system and other facilities. CONSULTANT is not in any
way verifying the effectiveness or suitability of any existing flood control system,
as such work is outside the scope of work herein.
2.8.3 Develop final structural, roadway, and lighting quantities.
2.8.4 Develop Traffic Control and Detour Plan, including necessary recreational trail staging/phasing
drawings for review and comment by the CLIENT.
2.8.5 Develop accent feature bridge lighting plan, details, schedule for conduit locations and for new
LED lighting fixtures.
2.8.6 Complete independent quality and constructability reviews.
2.8.7 Prepare Pre -Check Plans (60% plan development) and Check Plans (95% plan development),
technical specifications, and Estimate of Probable Construction Costs using Iowa DOT bid
item descriptions and appropriate unit prices. Submit Pre -Check Plans to CLIENT for review
and comment. Submit Check Plans to CLIENT, Iowa DOT, and USACE for check plan
review.
2.8.7.1 Plans to be developed using Microstation with the Iowa DOT workspace.
2.8.7.2 Utilize Iowa DOT standard details where appropriate.
2.8.7.3 Reference the current edition of the Iowa DOT bridge and roadway standard specifications
including modification in the General Supplemental Specifications, Developmental
Specifications, and Special Provisions.
2.8.7.4 Check Plans to be complete to a level of detail consistent with Iowa DOT Office of Bridges
and Structures Final Design deliverables including bill of materials for use in unit price
contract. Utilize and follow Iowa DOT Instructional Memorandums for Final Design.
Check Plans shall be considered 95% complete and shall be biddable construction
documents with only minor changes expected upon review.
2.8.7.5 Incorporate aesthetic features as determined during preliminary design.
2.8.7.6 Prepare Special Provisions, if applicable.
2.8.7.7 Include Construction Storm Water Pollution Prevention Plan and notes, as applicable.
Obtain Iowa DNR General Permit #2 for each bridge.
Scope of Work - Park Ave and 11TH Street over Cedar River Bridge Replacements — Design Phase Services Page 5 of 7
Stanley Consultants INC.
Exhibit 1
Scope of Services
2.8.8 Continue coordination with utilities located on or near the bridge and approaches, per Iowa
DOT's Instructional Memorandum "Utility Accommodation and Coordination". Include
known utilities on construction drawings as appropriate.
2.8.8.1 Continue coordination with Waterloo Water Works regarding relocated water main
near the Park Avenue bridge.
2.8.8.2 Continue coordination with MidAmerican Energy Company for 1 1th Street natural gas
main relocation.
2.8.8.3 Develop utility relocation plans. Submit plans to CLIENT and utility owner to review
and approval in advance of Final Plans submittal.
2.8.9 Attend one (1) review meeting with CLIENT and other stakeholders as needed. Up to three
(3) persons from CONSULTANT shall participate in meeting. CONSULTANT shall provide
agenda and prepare and distribute meeting minutes.
2.8.10 Incorporate CLIENT, Iowa DOT, and USACE review comments, complete Final Plans and
submit to CLIENT and Iowa DOT. Utilize and follow Iowa DOT Instructional Memorandums
for Final Design. Final Plans shall be 100% complete.
2.8.10.1 Signed and sealed drawings.
2.8.10.2 Signed and sealed specifications and special provision, if needed.
2.8.10.3 Final Estimate of Probable Construction Cost.
2.8.10.4 Final Electronic CADD files in microstation format.
2.8.10.5 Send completed "Project Development Certification", Iowa DOT Form 730002, to
CLIENT for review and signature and include with Final Plans submittal to Iowa DOT.
2.8.10.6 Submittal to be by electronic PDF. Two (2) hard copies of all documents will be
provided to the CLIENT.
2.8.10.7 Submit electronic bid item information using the Iowa DOT's web -based Bid Items
Application.
2.8.11 Provide new bridge load rating report for each bridge including special haul vehicle and other
rating vehicles per Iowa DOT rating guidelines.
PART 3 — BIDDING PHASE SERVICES
The CONSULTANT shall provide Bidding Phase Services consisting of those described in paragraph 3.1
3.1 Bidding Phase
3.1.1 Assist CLIENT in answering questions or responding to Iowa DOT during bid period.
3.1.2 Assist CLIENT to prepare and issue addenda as appropriate to clarify, correct, or change
bidding documents to Iowa DOT.
CONSULTANT's Basic Services and Bidding Phase Services will be considered complete on the date when
the CLIENT and Iowa DOT award the project to a Contractor through at the conclusion of the Bidding
Process
Scope of Work - Park Ave and 11TH Street over Cedar River Bridge Replacements — Design Phase Services Page 6 of 7
Stanley Consultants INC
Exhibit 1
Scope of Services
SCHEDULE
** Concept Statement to Iowa DOT = By July 14, 2020 (Submitted in June)
30% Preliminary Plans to CLIENT = By October 5, 2020
60% Pre -Check Plans to CLIENT = By November 16, 2020
USACE 408 Review Request = By November 30, 2020
Joint Application to Iowa DNR/USACE = By November 30, 2020
** Preliminary Plans to Iowa DOT = By January 12, 2021
90% Check Plans to CLIENT = By February 1, 2021
** 90% Check Plans to Iowa DOT = By March 9, 2021
** Final Plans and PDC to Iowa DOT = April 20, 2021
** Letting = July 20, 2021
** Dates listed on IowaDOT Attachment B to I.M. 3.010 "Submittal Dates for Federal -aid Local
Public Agency Projects
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