Request for Proposals (RFP) – Construction Cost Estimating Services (PS3107)

public building commission of chicago
Request for Proposals
Construction Cost
Estimating Services
PS3107
ISSUED: August 24, 2026
Public Building Commission of Chicago
Richard J. Daley Center, Room 200
50 W. Washington Street
Chicago, Illinois 60602
www.pbcchicago.com
Mayor Brandon Johnson
Chairman
Ray Giderof
Executive Director
CONTACT INFORMATION
FIRM NAME:
CONTACT NAME:
CONTACT TELEPHONE:
CONTACT EMAIL:
ADDRESS:
This Cover Sheet page MUST be submitted with your Submission

TABLE OF CONTENTS
SECTIONS
SECTION I. KEY INFORMATION ....................................................................................................................3
SECTION II. DEFINITIONS ..............................................................................................................................5
SECTION III. SCOPE OF SERVICES ..............................................................................................................6
SECTION IV. TASK ORDER REQUEST, ACCEPTANCE AND AWARD PROCESS ....................................1 2
SECTION V. SUBMISSION REQUIREMENTS ...............................................................................................1 3
SECTION VI. SUBMISSION CHECKLIST.......................................................................................................1 5
SECTION VII. EVALUATION CRITERIA.........................................................................................................1 6
SCHEDULE
SCHEDULE A - COST PROPOSAL ...............................................................................................................2 0
EXHIBITS
EXHIBIT A - LEGAL ACTIONS .......................................................................................................................2 2
EXHIBIT B - DISCLOSURE AFFIDAVIT .........................................................................................................2 4
EXHIBIT C - DISCLOSURE OF RETAINED PARTIES ...................................................................................3 2
EXHIBIT D - SPECIAL CONDITIONS REGARDING UTILIZATION OF MINORITY AND WOMEN OWNED
BUSINESS ENTERPRISES FOR PROFESSIONAL SERVICES ...................................................................3 5
EXHIBIT E - INSURANCE REQUIREMENTS .................................................................................................5 0
EXHIBIT F - SAMPLE FORM OF AGREEMENT ............................................................................................5 3
EXHIBIT G - SAMPLE PBC TASK ORDER ....................................................................................................6 4
EXHIBIT H - REFERENCES ............................................................................................................................6 6
EXHIBIT I - MBE/WBE PAST PARTICIPATION ............................................................................................6 8
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Request for Proposals for Construction Cost Estimating Services (PS3107)

SECTION I
KEY INFORMATION
The Public Building Commission of Chicago (Commission or PBC) has issued a Request for Proposals ("RFP") for firms seeking to be
selected to provide Construction Cost Estimating Services to the Commission. It is the intention of the Commission to tentatively select
none, one or more firms to be pre-qualified to provide the Services.
Firms seeking to provide these Services to the Commission (Respondents) are required to submit evidence of successful previous
experience, financial capability, and possession of requisite licensing/certifications and otherwise meet all qualifications requirements as
outlined herein.
1. RESPONDENT CONTACT WITH THE PBC: The PBC has selected the Contract Officer identified below as the sole point of
contact. From the date of issuance until selection of the successful Respondent(s), Respondent's communication with the PBC
concerning this Procurement must be exclusively with:
Miguel Fernandez, Contract Officer
Public Building Commission of Chicago
50 West Washington, Room 200
Chicago, Illinois 60602
miguel.fernandez@cityofchicago.org
2. SUBMISSION DEADLINE AND PROCUREMENT TIMETABLE: The following dates are set forth for informational and planning
purposes; however, the PBC reserves the right to change the dates.
* Issue RFP ................................................................................................... August 24, 2026
* Pre-Submission Conference (Virtual) ......... Wednesday, September 9, 2026 at 11:00AM CT
* Questions Deadline ................................... Wednesday, September 16, 2026 at 2:00PM CT
* Submission Deadline ................................... Tuesday, September 29, 2026 at 11:00AM CT
* Oral Presentations (if necessary) ................................ October 14, 2026 - October 15, 2026
* Recommendation to Board .......................................................................... November 2026
3. VIRTUAL PRE-SUBMISSION CONFERENCE: The PBC will host a non-mandatory, virtual Pre-Submission Conference to provide
an overview of the Cost Estimating Services being requested, detailed information regarding this Request for Proposal, including
submission requirements. Attendance at the Pre-submission Conference is not mandatory and will not preclude your firm from
submitting a response to this RFP.
Virtual Meeting Link: Construction Cost Estimating Services Pre-Submission
Meeting Phone Number: 312-626-6799
Meeting ID: 843 6108 3457
Meeting Passcode: None required
4. AVAILABILITY AND INCORPORATION OF DOCUMENTS: A copy of this RFP, including any attachments, exhibits and addenda
is available for download on the PBC's Current Opportunities page for this RFP at:
https://pbcchicago.com/opportunities/costestimating_ps3107/. Any attachments and exhibits referenced herein are fully incorporated
as part of this RFP.
5. QUESTIONS: Questions and requests for information must be sent to Public Building Commission of Chicago, Attn: Miguel
Fernandez, Contract Officer by email at miguel.fernandez@cityofchicago.org. Questions must be submitted by 2:00PM Central Time
on Wednesday, September 16, 2026. If answered, they will be answered via an Addenda posted to the PBC's website at
www.pbcchicago.com.
6. SUBMISSION OF DOCUMENTS:
Submission instructions, including number of required copies, can be found in Section V. Submission Requirements of this RFP.
Failure to submit in the manner prescribed in this RFP may deem your submission non-responsive.
If you are unable to submit your submission electronically, please provide a written request for alternate submission to James L.
Borkman, Director of Procurement, at James.Borkman@cityofchicago.org. Please detail the reasons you are unable to provide an
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Request for Proposals for Construction Cost Estimating Services (PS3107)

electronic response. PBC reserves the right to request more information. The Commission's decision to allow an alternative
submission will be binding.
Submittals received prior to the Submission Deadline will be securely kept by the Commission.
7. RIGHT TO CANCEL: The PBC reserves the right to cancel this procurement process whenever the best interest of the PBC is
served. The PBC shall not be liable for costs incurred by respondent(s) associated with this procurement process.
8. ADDENDA: Any interpretations, corrections, or changes to this RFP will be made by addenda issued by the Commission. An
Addendum (or Addenda), issued by the Commission, will be posted only to the Current Opportunities page listed above. Respondents
must acknowledge any Addenda issued and posted to the Current Opportunities page, in the Cover Letter and on any other form
requesting acknowledgement. The Commission is not responsible for a Respondent's failure to obtain or download any Addenda
issued for this RFP.
9. FALSE STATEMENTS: Any false statement(s) made by the Respondent(s) will void the response and eliminate the Respondent(s)
from further consideration.
10. MBE/WBE CERTIFICATION: The PBC accepts Minority Business Enterprise (MBE) and Women Business Enterprise (WBE) firms
certified by the City of Chicago and Cook County. However, if a firm is MBE or WBE certified by another agency, please include
such information as applicable.
11. DEBARMENT: Any firm debarred by the City of Chicago, Sister Agencies, local, state or federal agencies will eliminate the
Respondent(s) from further consideration.
12. CONFIDENTIALITY: Respondent may designate those portions of the Proposal, which contain trade secrets or other information
the Respondent deems as proprietary or privileged (including financial information) as confidential. If a Respondent includes data
that is not to be disclosed to the public for any purpose or used by the PBC except for evaluation purposes, the Respondent must
clearly demarcate the bottom of each page containing confidential information as "CONFIDENTIAL".
13. TERMINOLOGY: Any reference throughout this document referring to Bidder, Consultant, Proposer, or any variation thereof
expressly means Respondent.
14. RESERVATIONS: The Commission's approval of a firm pursuant to this RFP does not mean that the Commission approves the
firm as qualified to perform the specific services. At the full discretion of the Commission, the Commission holds the following
reservations.
The right to:
request any additional, relevant information determined to be necessary for the proper evaluation of a submission;
request interview(s) with the Respondents;
reject a firm's proposal if the Commission determines that the firm is not qualified to perform the project;
require project-specific MBE/WBE Participation Goals; and,
negotiate cost.
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Request for Proposals for Construction Cost Estimating Services (PS3107)

SECTION II
DEFINITIONS
A. DEFINITIONS
Throughout this Request for Proposals these terms have the following meanings:
a. PBC or Commission means the Public Building Commission of Chicago.
b. Agreement means the contract for Construction Cost Estimating Services for various projects that is to be entered into between
the PBC and the selected Respondent(s) pursuant to this RFP.
c. Authorized Commission Representative means one or more persons designated in writing by the PBC's Executive Director
for the purposes of assisting the Commission in managing the Project. As specifically directed by the PBC, the Authorized
Commission Representative will act on behalf of the PBC.
d. Design Team/Consultants means the Architect of Record (AOR), Engineer of Record (EOR), Design Builder (DB),
Construction Manager (CM), and/or related individual(s), partnership(s), corporation(s), or joint venture(s) engaged by the
Commission for the project.
e. Include means that whenever the term "include" (in any of its forms) is used, it means "include, without limitation".
f. Respondent means the firm(s), individual(s), corporation(s), partnership(s) and joint venture(s) that submit responses pursuant
to this RFP.
g. Selected Respondent(s) means the individual(s), partnership(s), corporation(s) or joint venture(s) that the PBC selects for
award of a contract pursuant to the RFP.
h. Services means all tasks for Construction Cost Estimating Services for which the PBC engages the Selected Respondent.
Construction can mean Construction, Design, and/or related services.
i. Sub-consultant (or Sub-contractor) means individual(s), partnership(s), corporation(s), or joint venture(s) that the Respondent
engages to provide specialized services required by the Agreement.
j. Submittal or Submission means all materials provided in response to this RFP.
k. Task Order means the document issued by the Commission to the Respondent that authorizes, in writing, Services and/or
Deliverables to be provided by the Respondent, together with any applicable exhibits, schedules, and/or timetable for any
Deliverables and applicable fees. Issuance of Task order does not authorize work to commence. Should Consultant commence
work prior to the issuance of a Notice to Proceed, the PBC will not be responsible for costs incurred for work not authorized to
proceed.
B. INTERPRETATIONS
Any headings in this RFP are for convenience of reference only and do not define, limit, control or affect the meaning of the RFP's
provisions. In this RFP, unless the context otherwise requires, the terms "hereby," "herein," "hereof," "hereto," "hereunder" and any
similar terms used in this RFP, refer to this RFP. All section references, unless otherwise expressly indicated, are to the sections of
this RFP. Words of any gender shall be deemed and construed to include correlative words of the other gender. Words indicating
the singular number shall include the plural number and vice versa, unless the context shall otherwise indicate. All references to any
exhibit or document shall be deemed to include all supplements and/or amendments to any such exhibits or documents entered into
in accordance with the terms and conditions of this RFP and such documents. All references to any person or entity shall be deemed
to include any person or entity succeeding to the rights, duties, and obligations of such persons or entities in accordance with the
terms and conditions of this RFP.
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Request for Proposals for Construction Cost Estimating Services (PS3107)

SECTION III
SCOPE OF SERVICES
A. INTRODUCTION
Created as an independent governmental unit, the Public Building Commission of Chicago (the "PBC" or "Commission") has
enhanced education, safety, and recreation across the region by building or renovating hundreds of schools, city colleges, libraries,
parks, fire houses, police stations and other public facilities that reflect the highest standards of environmental and economic
sustainability. PBC User Agencies include, but are not limited to, the City of Chicago, Chicago Public Schools, Chicago Public
Library, Chicago Park District, Cook County, City Colleges of Chicago, Cook County Forest Preserve District, Metropolitan Water
Reclamation District and other municipalities. Beginning with land acquisition, the PBC's professional staff may manage each project
through planning, financing, site preparation and remediation, design, construction and furnishing, functioning as a single point of
responsibility for "turn-key" development.
The Commission may solicit bids for various construction-related projects undertaken by the Commission on behalf of various User
Agencies. Projects may consist of the construction and/or renovation of buildings and facilities to be used by various agencies in
the furnishing of governmental, health, safety and welfare services. The range of projects that may be solicited include anywhere
from major capital improvements to the remodel of a single existing bathroom, the addition of a fence on a property or general site
work.
The Commission, through this Request for Proposals, solicits the proposal of qualified firms (including firms proposing to have a
controlling interest in Joint Ventures) interested in providing Construction Cost Estimating Services ("The Services") to the PBC.
The PBC accepts and encourages Joint Venture Partnerships and strongly encourages participation with MBE or WBE firms.
Respondents interested in Joint Venture Partnerships must have the appropriate qualifications and combined financial and technical
capacity required by this solicitation.
A completed Disclosure Affidavit (Exhibit B) must be submitted by firms interested in submitting as joint venture entity. Respondents
must submit a copy of the entity's Joint Venture Agreement which clearly identifies the resources, capabilities, and capacity of each
joint venture firm available to be allocated to the performance of the Agreement.
B. INTENT
The intent of this Request for Proposals is to identify and pre-qualify cost estimating firms to provide cost estimating services for
various projects that may be undertaken by the Commission. The Commission will generate a pool of firms to perform the Services.
Qualified firms interested in submitting proposals to provide such services are required to follow the guidelines and instructions
contained in this RFP. The PBC, at its sole discretion, may choose to retain none, one or more firms to perform the Services.
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Request for Proposals for Construction Cost Estimating Services (PS3107)

C. SCOPE OF SERVICES
The Commission will contract with Construction Cost Estimators to provide cost consulting services on an as-need basis. The
services may include, but are not limited to project budgeting, construction cost estimating, value engineering, cost control estimates,
bid tabulation reviews, and change order cost analysis.
Projects undertaken by the Commission may be solicited in any of the following manner:
1. Design-Bid-Build (Invitation for Bid)
2. Design Build (Request for Qualifications and/or Proposals)
3. Job-Order Contracting (JOC)
4. Construction Management at Risk
5. Any other method deemed appropriate by the PBC.
The Respondent(s) selected to provide Cost Estimating Services on PBC projects will be required to perform cost estimating services
as follows:
1. General Administration and Coordination
The Construction Cost Estimator shall, at all times, work collaboratively with the Commission, corresponding Design Team, Sub-
Consultants and General Contractor, if necessary, as well as all regulatory agencies throughout the life of the project.
The general administration and coordination activities to be performed by the Construction Cost Estimator include but are not
limited to the below:
Provide adequate staff to coordinate and support the project at each milestone estimate.
Attend kickoff and periodic milestone meetings as required.
Perform field visits and activities, as required, to become thoroughly familiar with the site and conditions surrounding the
site, as well as document the conditions observed on the site.
Work with the Commission to evaluate the risk associated with the design and to ensure that variables such as site logistics,
constructability, local participation, shift work etc. are adequately accounted for in costs.
Advise on the advantages and disadvantages of the various project delivery methods and recommend the appropriate
delivery method for specific projects.
Identify long lead items and recommend methods of procurement to achieve the project schedule.
Participate in value engineering exercises and evaluate proposed building design systems as to quality, first cost and life
cycle cost, constructability, and labor material availability.
Become familiar with local labor rates and labor conditions/availability.
Consult with and advise the Commission of budget variances and make recommendations for corrective actions.
Provide quantity takeoffs and third-party tabulations.
Review drawings and specifications for errors and omissions trade consistency.
Provide estimating training to PBC staff as requested.
Provide master planning cost estimating and analysis.
2. Cost Estimates
Construction cost estimates shall include all aspects of demolition, remodeling, new construction, and site improvement work
among others. Projects may include new construction projects, renovation projects, or conceptual planning projects and may
include infrastructure or civil projects as well as any other estimates as required.
Estimates shall be prepared in a manner as to conform to all applicable codes and ordinances.
The number and type of estimates will vary from project to project based on the complexity of work contemplated to be
undertaken. The actual number and type of estimates shall be determined by the Commission prior to the start of each project
sequence.
The Construction Cost Estimator shall work with the Commissions' Design Team/Consultants, as may be required. The
Construction Cost Estimator shall inform the Commissions' Design Team/Consultants of estimating protocols and required
documentation formats prior to the start of each design phase.
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The Construction Cost Estimator shall prepare and present construction cost estimates in a format that will clearly define the
scope of the work being evaluated and be presented to the Commission with detailed breakdowns indicating all quantities and
unit costs. Estimates will become the benchmark against which the evolving designs will be reconciled. Subsequent estimates
shall be presented so that variances from the preceding estimates are clearly identifiable.
Estimates shall reflect factors influencing the potential cost of the project including but not limited to, market conditions,
escalation, trade availability, Contractor's overhead, profit, and insurance, local and jurisdictional code issues, the Commission'
building and system standards and the Commission' procurement requirements.
Estimates may also include soft costs, hard costs, ancillary costs, furniture, fixtures and equipment and contingencies. Estimates
may also take into consideration relevant asbestos, geotechnical, geological, hydrogeological, environmental, site and
development issues that may impact construction costs.
When estimated costs vary from the preceding project estimates, the Commission may determine that it is necessary for the
Construction Cost Estimator, in collaboration with the Design Team/Consultants, to undertake a value management evaluation
(options, advantages, disadvantages and recommendations) in order to identify specific methods to bring the costs back in line
within the accuracy range of the project budget.
When project scopes are determined to present special risk factors, the Construction Cost Estimator may be directed to present
multiple estimates reflecting different levels of risk.
The Construction Cost Estimator shall prepare construction estimates for various projects reflecting the specific development
phase of the project (including but not limited to: Schematic Design, Design Development, 60% Construction Documents, 90%
Construction Documents and Issue for Bid) to verify that the design and scope of the project are within the budget parameters.
Estimates shall be based on project scopes and schedules and shall include reasonable contingencies. Estimates shall be
realistic for the work to be performed, reflect a clear understanding of the project requirements, and shall be consistent with the
unique project requirements.
Depending on project complexities, the Construction Cost Estimator may be required to prepare construction cost analysis at
the end of 100% Preliminary Design Phase, 100% Schematic Design Phase, 100% Design Development Phase, 50%
Construction Documents Phase, 90% Construction Documents Phase, Issue for Bid Documents, and 100% Construction
Documents Phase.
Estimates shall be presented to the Commission with detailed breakdowns indicating all quantities and unit costs and as follows:
a. Preliminary Project Estimates
Preliminary project estimates shall be developed by the Construction Cost Estimator with oversight by the Commission.
The estimates shall be developed from discussion with the Commissions' Design Team/Consultants and other key
stakeholders as may be needed and shall be based on project information provided by the Commissions' Design
Team/Consultants such as conceptual site plans, conceptual floor plans, preliminary building size calculations, mechanical,
electrical and plumbing (MEP) narratives, and additional reports or site assessment information as available.
The Construction Cost Estimator shall submit the draft preliminary project budgets to the Commission. Based on comments
received, revise the draft preliminary Construction budget as required and submit the final baseline Construction budget to
the Commission for approval.
The Construction Cost Estimator will provide the Services at each of the project design milestones identified below. The
cost estimating support should include but not be limited to: verification of take-off quantities, prepare project estimates,
material cost forecasting, construction phasing review, provide input on risks associated with the construction and proposal
of any constructability or value engineering or scheduling comments that are evident during the course of the estimating
work. The Construction Cost Estimator (in coordination with the Commission) may provide intermediate estimating support
to Commissions' Design Team/Consultants for design alternatives and/or construction packages at varying stages or
phases of the project.
b. Schematic Design Estimates
Schematic design estimates shall be developed by the Construction Cost Estimator, with oversight by the Commission. The
estimates shall be developed from discussion with the Commissions' Design Team/Consultants and other key stakeholders
as may be needed and shall be based on project information provided by the Commissions' Design Team/Consultants such
as site plans, floor plans, structural system plans, mechanical electrical and plumbing plans and narratives, phasing
narratives and schedules. (Note multiple schematic designs may be provided for comparative purposes to assist The
Commission in the selection of a preferred option.)
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Schematic design estimates shall be compared by the Construction Cost Estimator against the preliminary Construction
budget to identify variances. Variances shall be highlighted so that specific action can be undertaken to reduce costs as
may be required.
c. Design Development Estimates
Design development estimates will be developed by the Construction Cost Estimator with oversight by the Commission.
The estimates shall be developed from discussion with the Commissions' Design Team/Consultants and other key
stakeholders as may be needed and shall be based on project information provided by the Commissions' Design
Team/Consultants such as site plan, floor plans, building sections, building elevations, structural system plans, mechanical
electrical and plumbing plans and narratives, phasing narratives and schedules.
At the completion of design development phase, the design development estimate for each project will be compared by the
Construction Cost Estimator against the latest prior approved estimates to identify any variances. Variances shall be
highlighted so that specific action can be undertaken to reduce costs as may be required.
d. Pre-Bid Estimates
Pre-bid estimates will be developed by the Construction Cost Estimator with oversight by the Commission. These estimates
shall be prepared prior to issuance of bid and shall occur at approximately 90% completion of the Construction Documents.
The estimates shall be developed from discussion with the Commissions' Design Team/Consultants and other key
stakeholders as may be needed and shall be based on project information provided by the Commissions' Design
Team/Consultants such as detailed drawings, phasing plan, detailed specifications and project schedule. The Construction
Cost Estimator shall suggest methods to contain cost over runs on the project including but not limited to the use of
"alternates bid items" in the bidding documents.
Depending on the complexity of the project and when directed to by the Commission, these estimates shall also occur at
50% completion of the Construction Documents as listed above or as otherwise directed.
Pre-bid estimates for each project will be compared by the Construction Cost Estimator against the latest prior approved
estimates to identify any variances. Variances shall be highlighted so that specific action can be undertaken to reduce costs
as may be required.
e. Bid Addenda
When Addenda are issued prior to bid opening, the Construction Cost Estimator may be asked to complete an update to
the Pre-Bid Estimate, which incorporates the Addendum. If the Addenda contain a monetary and/or schedule impact, the
Construction Cost Estimator may be asked to collaborate with the Commissions' Design Team/Consultants to realign the
cost estimate and bring it back to the approved Pre-Bid Estimate.
f. Bid Evaluations
The Construction Cost Estimator shall analyze and report on all bids with recommendations after consultation with the
Commission, the Commissions' Design Team/Consultants and bidders. The analysis shall identify any potential problem
areas that may affect completion of the project in accordance with the budget and time schedule, along with recommended
action. The Construction Cost Engineer shall assist the Commissions' Design Team/Consultants in undertaking post-bid
value management, as may be required, including the incorporation of suggested alternatives and savings contained within
the submitted general contractor bids. The Construction Cost Estimator shall make recommendations on any other matters
that may have become evident during discussions with the parties or that may have become evident during the course of
the Construction Cost Estimator review and inquiries.
Upon acceptance of a bid, the Construction Cost Estimator shall prepare a complete project budget, including construction
costs, ancillary costs, furniture, fixtures and equipment and contingencies.
g. Construction Change Orders
When requested by the Commission, the Construction Cost Estimator shall provide full review of all change orders in
consultation with the Commission and the Commissions' Design Team/Consultants. Reviews may include cost as well as
schedule impacts.
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h. Meetings
The Construction Cost Estimator shall attend and document various Owner/Designer/Bidder/Contractor meetings, as
required, which may include but are not limited to: initial kick-off, pre-bid meetings, bid openings, and periodic milestone
meetings.
The Construction Cost Estimator shall attend value engineering meetings, if deemed necessary, to assist in bringing costs
in line with the budget.
The Construction Cost Estimator shall present information as requested and shall be responsible for any/all record keeping,
minutes, specifications, notes, and other information as required by the Commission.
D. ESTIMATE REPORTING FORMAT REQUIREMENTS
The Construction Cost Estimator shall prepare and present construction cost estimates in a format that will clearly define the scope
of the work being evaluated. The Construction Cost Estimator may be required to conform the estimates to AACEI (Association for
the Advancement of Cost Engineers International).
The Construction Cost Estimator shall prepare cost control strategies to ensure that construction costs and related schedules can
be monitored at regular design submission milestones and throughout the construction project.
Reports and the report contents shall be presented in a format satisfactory to the Commission. All cost estimate documents shall be
prepared in electronic format and must be compatible with Adobe Acrobat Reader. The Construction Cost Estimator shall assist the
Commission in the determination of these formats.
Estimates and associated cost analysis reports and all subsequent updates shall be submitted to the Commission within ten (10)
working days after the Design Team's submission of documents for each phase of work (or within such time as directed by the
Commission).
The Construction Cost Estimator will prepare reports as follows:
1. Reports
a. Basis of Estimate Report
Each estimate is expected to be accompanied by a Basis of Estimate (BOE) report. The BOE report is expected to include
the following minimum components:
Narrative, including assumptions and clarifications
Breakdown by facility, discipline, bid group or subcontract package
Material quantity take-offs
Unit prices
Labor and equipment rates
Labor and equipment production rates
Subcontractor costs
Scope assumptions and clarifications
Identification of long lead procurement items (equipment, materials and supplies)
Mark Ups consistent with project delivery
Provide any market pricing received from material suppliers and/or subcontractors
b. Estimate Variance Report
In addition to the Construction Cost Estimator's estimates, an estimate will be provided by the Commissions' Design
Team/Consultants at milestones as directed by the Commission. The Construction Cost Estimator will be responsible for
reviewing and comparing the estimates and preparing a variance report at the specific milestones for the Commission to
document, at a minimum, any significant differences between the estimates.
As part of this report, the Construction Cost Estimator shall produce a narrative and chart showing the major cost changes
and explaining the reasons for the change between the other estimates submitted at this phase. The amount of detail shown
in this section of the variance report will be commensurate with the size, complexity, and severity or magnitude of the scope
change. If the estimate requires a second resubmittal, the report may require updating.
ASTM E1804, "Standard Practice for Performing and Reporting Cost Analysis during the Design Phase of a Project,"
outlines the correct way to display cost estimates. The following is an example of this specific format:
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