HomeMy WebLinkAboutbocc.con.153.248/30/2021 CDD
Contract Information
Contract Number
Project Name
Contractor
Budget Line Item 12332100.531000.10343
Procurement Method:
Type:
Contract Start Date
Contract End Date
Contract Type
Retainage
If this is a new contractor, please enter the New Vendor information into Munis for workflow approval.
Contact Information:
Department
County Representative Lisa MacDonald County Representative
Phone (970) 920-5191
Provide a brief description of the Contract or Change Order:
Contract Value Summary:
$ 15,550.00
$ -
$ -
$ 15,550.00
Attorney
Technical support services for Lincoln Creek Water Sampling Project.
Original Contract Amount
Previous Change Order/Amendment Amount
This Change order/Amendment amount
Contract Total
No
Technical Support for Lincoln Creek Workgroup Water Quality Sampling and Analysis
LRE Water
$ 15,550.00
Additional Budget Line
Item(s)
(Please fully allocate New Contract Total)
$ -
$ -
$ -
$ 15,550.00
Informal
Services/Maintenance
8/2/2024
5/31/2025
New Contract
153.24
Pitkin County
Procurement Cover Sheet
Please complete the Contract Cover Sheet when the contract/task order is complete and fully executed.
Return all Contract Cover Sheets and Contracts/Change Orders/Amendments/Task Orders to Procurement
Contract # 153.24 Revision: 2018-06-13 btf
Budget Line Item # 12332100.531000.10343
1
PITKIN COUNTY CONTRACT FOR PROVISION OF SERVICES
THIS CONTRACT, made August 2, 2024 by and between the Board of County Commissioners
of Pitkin County, Colorado, 530 E. Main St., Suite #302, Aspen, CO 81611, (hereinafter called the
“County”) and LRE Water, 909 Colorado Avenue, Glenwood Springs, CO 81601 (hereinafter
called the “Contractor”) to perform the following work: Technical Support for Lincoln Creek
Workgroup Water Quality Sampling and Analysis Planning (“Project”).
I. Term of Contract: The term of this Contract is from August 8, 2024 to May 31, 2025.
II. Contractor’s Obligations. Contractor shall work with Pitkin County Healthy Rivers
and Streams and Pitkin County Environmental Health, both helping coordination with
other Lincoln Creek Workgroup project stakeholders, especially Colorado Parks and
Wildlife, the White River National Forest, the Roaring Fork Conservancy, and CU
INSTAAR, all groups in the field collecting data field season 2024, and the
Independence Pass Foundation, to conduct a review of the suite of 2024 sampling plans
in addition to existing/historical data related to the Lincoln Creek Watershed, and
organize a site visit in order to inform coordination and development of a technically
robust sampling plan that informs and meets the Workgroup short- and long-term goals
and objectives. Services provided by the Contractor are contained in the following
Scope of Work (SOW)- Phase 1 of Lincoln Creek Water Quality Study as summarized
by the Contractor from the Contractor’s awarded proposal (see Attachment A).
III. Compensation and Expenses, Invoicing, Payment and Offset. The County shall
compensate Contractor for its services in accordance with the Project Budget and
Schedule set out in Paragraph II. It is expressly understood and agreed that in no event
will the total compensation and reimbursement to be paid hereunder exceed the sum of
fifteen thousand five hundred and fifty dollars and zero cents (15,550.00) for all
services rendered. By contract or amendment, the County and Contractor may
reallocate the budget among project tasks if the total budget amount remains
unchanged. Contractor shall invoice for the project monthly based on hours worked,
with payment expected within thirty (30) days of invoice. Any payment by the County
may be offset by any amount the Contractor owes the County for any reason.
IV. County’s Exclusive Ownership of Work Product. Drawings, specifications,
guidelines and other documents prepared by Contractor in connection with this
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Contract shall be the property of the County. However, Contractor shall have the right
to utilize such documents in the course of its marketing, professional presentations, and
for other business purposes. Contractor assigns to County the copyrights to all work
prepared, developed, or created pursuant to this Contract, including the right to: 1)
reproduce the work; 2) prepare derivative works; 3) distribute copies to the public; 4)
perform the works publicly; and 5) to display the work publicly. Contractor shall have
right to use materials produced in the course of this Contract for marketing purposes
and professional presentations, articles, speeches and other business purposes. Any use
or reuse of the materials by the County for any purpose other than for the purposes
defined by the work under this Contract shall be at the County’s sole risk.
V. Pitkin County’s Obligations. Pitkin County shall administer this Contract through
a County Representative. Lisa Tasker, Project Lead, will manage the project as the
County’s Representative. In the event that Lisa Tasker is not available, Kurt Dahl,
Pitkin County Environmental Health Manager, shall assume the County
Representative’s duties. The services provided and products delivered by the
Contractor under this Contract will be subject to review by the County’s
Representatives, or a designee, for compliance with Contractor’s obligations prior to
final payment.
VI. Termination Prior to Expiration of Contract Term. The County has the right to
terminate this Contract, with or without cause, by giving written notice to the
Contractor of such termination and specifying the effective date thereof. Such notice
shall be given at least ten (10) days before the effective date of such termination. In
such event all finished or unfinished documents, data, studies and reports prepared by
the Contractor pursuant to this Contract shall become the County’s property. Contractor
shall be entitled to receive compensation in accordance with the Contract for any
satisfactory work completed pursuant to the terms of this Contract prior to the date of
termination. Notwithstanding the above, Contractor shall not be relieved of liability to
the County for damages sustained by the County by virtue of any breach of the Contract
by the Contractor.
VII. Independent Contractor Status.
A. The parties to this Contract intend that the relationship between them contemplated
by the Contract is that of independent contractor. Contractor, and any agent,
employee, or servant of Contractor shall not be deemed to be an employee, agent,
or servant of Pitkin County.
B. Contractor is not required to offer his services exclusively to Pitkin County under
this Contract. Contractor may choose to work for other individuals or entities
during the term of this Contract, provided that the basic services and deliverable
products required under this Contract are submitted in the manner and on the
schedule defined under this Contract.
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C. Contractor warrants that all work produced will conform to all applicable industry
standard of care, skill and diligence in the performance of Contractor’s obligations
under this Contract.
D. Contractor shall not attempt to oversee or supervise the work or actions of any
Pitkin County employee, servant or agent in the course of completing work under
this Contract.
E. Contractor is not entitled to any Workers’ Compensation benefits through Pitkin
County and is responsible for payment of any federal, state, FICA and other income
taxes.
VIII. Assignability. This Contract is not assignable by either party. Any use of
subcontractors by the Contractor for performance of this Contract must be accepted in
writing by the County.
IX. Severability. In the event that any provision of this Contract shall be held to be invalid
or unenforceable, the remaining provisions of this Contract shall remain valid and
binding upon the parties hereto.
X. Integration and Modification.
A. This Contract represents the entire and integrated Contract between the County and
the Contractor and supersedes all prior negotiations, representations, or contract,
either written or oral. This Contract may be amended only by written contract
signed by both the County and the Contractor.
B. The County may, from time to time, request changes in the scope of services of the
Contractor to be performed hereunder. Such changes, including the increase or
decrease in the amount of the Contractor’s compensation, which are mutually
agreed upon between the County and the Contractor, shall be in writing and upon
execution shall become part of this Contract.
XI. Indemnity.
A. The Contractor agrees to indemnify, hold harmless and, not excluding the County's
right to participate, defend the County, its subsidiary, parent, associated and/or
affiliated entities, successors, or assigns, its elected officials, trustees, employees,
agents, volunteers, and any jurisdiction or agency issuing permits for any work
included in the project, hereinafter referred to as indemnitee, from all suits and
claims, including attorney's fees and cost of litigation, actions, loss, damage,
expense, cost or claims of any character or any nature arising out of the work done
in fulfillment of the terms of this Contract or on account of any act, claim or amount
arising or recovered under workers' compensation law or arising out of the failure
of the Contractor to conform to any statutes, ordinances, regulation, law or court
decree. It is agreed that the Contractor will be responsible for primary loss
investigation, defense and judgment costs where this Contract of indemnity applies.
In consideration of the award of this Contract, the Contractor agrees to waive all
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rights of subrogation against the County its subsidiary, parent, associated and/or
affiliated entities, successors, or assigns, its elected officials, trustees, employees,
agents, and volunteers for losses arising from the work performed by the Contractor
for the County.
B. The Contractor further shall investigate, process, respond to, adjust, provide
defense for and defend, pay or settle all claims, demands, or lawsuits related hereto
at its sole expense and shall bear all other costs and expenses related thereto, even
if the claim, demand or lawsuit is groundless, false or fraudulent.
XII. Insurance. Contractor and subcontractors shall procure and maintain until all of their
obligations have been discharged, including any warranty periods under this Contract
are satisfied, insurance against claims for injury to persons or damage to property which
may arise from or in connection with the performance of the work hereunder by the
Contractor, its agents, representatives, employees or subcontractors.
The insurance requirements herein are minimum requirements for this Contract and in
no way limit the indemnity covenants contained in this Contract. The policies shall
include, or be endorsed to include, the following provision: On insurance policies
where the County is named as an additional insured, the County shall be an additional
insured to the full limits of liability purchased by the Contractor even if those limits of
liability are in excess of those required by this Contract.
The County in no way warrants that the minimum limits contained herein are sufficient
to protect the Contractor from liabilities that might arise out of the performance of the
work under this Contract by the Contractor, its agents, representatives, employees, or
subcontractors. The Contractor shall assess its own risks and if it deems appropriate
and/or prudent, maintain higher limits and/or broader coverages. The Contractor is not
relieved of any liability or other obligations assumed or pursuant to the Contract by
reason of its failure to obtain or maintain insurance in sufficient amounts, duration, or
types. Commercial General Liability Completed Operations coverage must be kept in
effect for up to three (3) years after completion of the project.
A. Coverage and Limits of Insurance. Contractor shall provide coverage with limits
of liability requirements provided that the coverage is written on a “following form”
basis.
1) Statutory Workers’ Compensation: Colorado statutory minimums
a. Policy shall contain a waiver of subrogation against the County.
b. This requirement shall not apply when a contractor or subcontractor
is exempt under Colorado Workers’ Compensation Act AND when
such contractor or subcontractor executes the appropriate sole
proprietor waiver form.
Minimum Limits:
Coverage A (Workers’ Compensation) Statutory
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Coverage B (Employers Liability) $ 500,000
$ 500,000
$ 500,000
2) Commercial General Liability – ISO 1CG 0001 form or equivalent.
(With County named as an additional insured)
Minimum Limits:
General Aggregate $ 2,000,000
Products/Completed Operations Aggregate $ 2,000,000
Each Occurrence Limit $ 1,000,000
Personal/Advertising Injury $ 1,000,000
Fire Damage (Any One Fire) $ 50,000
Medical Payments (Any One Person) $ 5,000
Coverage to include:
• Premises and Operations
• Personal / Advertising Injury
• Products / Completed Operations
• Liability assumed under an Insured Contract (including defense costs assumed under
contract)
• Independent Contractors
• Designated Construction Project(s) General Aggregate Limit, ISO CG 2503 (1997
Edition or equivalent)
• Additional Insured—Owners, Lessees or Contractors Endorsement, ISO Form 2010
(2004 Edition or equivalent)
• Additional Insured—Owners, Lessees or Contractors Endorsement, ISO CG 2037
(2004 Edition or equivalent)
• The policy shall be endorsed to include the following additional insured language
on the Additional Insured Endorsements specified above: “County, its subsidiary,
parent, associated and/or affiliated entities, successors, or assigns, its elected
officials, trustees, employees, agents, and volunteers named as an additional insured
with respect to liability and defense of suits arising out of the activities performed
by, or on behalf of the Contractor, including completed operations”.
3) Auto Liability: Bodily injury and property damage for any owned,
hired and non-owned vehicles used in the performance of this Contract.
Minimum Limits: Statutory
Coverage Bodily/Property Damage (Each Accident) $ 1,000,000
4) Special Coverages (check as appropriate and insert amount):
a. ___ Performance Bond $___
b. ___ Professional Errors and Omissions
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c. ___ Aircraft Liability
d. ___ Owner’s Protective
e. ___ Builder’s Risk
f. ___ Boiler and Machinery
g. ___ Loss of Use Insurance
h. ___ Pollution Liability
i. ___ Crime, including Employee Dishonesty Coverage, or Fidelity
Bond
B. Proof of Insurance:
1) Each insurance policy required by the insurance provisions of this
Contract shall provide the required coverage and shall not be suspended,
voided or canceled except after thirty (30) days prior written notice has been
given to the County, except when cancellation is for non-payment of
premium, then ten (10) days prior notice may be given. Such notice shall
be emailed directly to Procurement@pitkincounty.com. If the insurance
carrier will not provide the required notice, the Consultant/Contractor and
or its insurance broker shall notify the County of any cancellation, or
reduction in coverage or limits of any insurance within seven (7) days of
receipt of insurers’ notification to that effect. Simultaneously with the
Certificates of Insurance, the Contractor shall file with the Project Lead a
certified statement as to claims pending against the required coverages,
reserves established on account of such claims, defense costs expended and
amounts remaining on policy limits.
2) In addition, these Certificates of Insurance shall contain the following
clauses:
a. The contractor’s insurance shall be primary and non-contributory with
any insurance or self-insurance purchased by the County.
b. The insurance companies issuing the policy or policies hereunder shall
have no recourse against the County of Pitkin for payment of any
premiums or for assessments under any form of policy.
c. Any and all deductibles or self-insured retentions in the above-
described insurance policies shall be assumed by and be for the
amount of, and at the sole expense of the Contractor.
d. Location of operations shall be: “all operations and locations at which
work for the referenced Project is being done.”
3) Certificates of Insurance for all renewal policies shall be delivered to
the County’s Representative at least fifteen (15) days prior to a policy’s
expiration date except for any policy expiring on the expiration date of this
Contract or thereafter.
4) The County reserves the right to request and receive a copy of any
policy and any policy endorsement at any time during the term of this
Contract.
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XIII. Exemptions and Preferences. All purchases of construction or building or any other
materials for this Contract shall not include Federal Excise Taxes or Colorado State or
local sales or use taxes. Pitkin County is exempt from such taxes under registration
numbers 98-02624 and 84-78000-5k.
XIV. Records. The Contractor shall maintain comprehensive, complete and accurate
books, records, and documents concerning its performance relating to this Contract for
a period of three (3) years after final payment under the Contract and the County shall
have the right within the three (3) year period to inspect and audit these books, records
and documents, upon demand, in a reasonable manner and at reasonable times, for the
purpose of determining, by accepted accounting and auditing standards, compliance
with all provisions of the Contract and applicable law.
XV. Contract Made in Colorado. The parties agree that this Contract was made in
accordance with the laws of the State of Colorado and shall be so construed. Venue is
agreed to be exclusively in the courts of Pitkin County, Colorado.
XVI. Attorney’s Fees. In the event that legal action is necessary to enforce any of the
provisions of this Contract, the substantially prevailing party shall be entitled to its costs
and reasonable attorney’s fees.
XVII. Governmental Immunity. Contractor agrees and understands that Pitkin County is
relying on and does not waive, by any provision of this Contract, the monetary
limitations or terms (presently $150,000 per person and $600,000 per occurrence) or
any other rights, immunities, and protections provided by the Colorado Governmental
Immunity Act, 24-10-101, et seq., C.R.S., as from time to time amended, or otherwise
available to Pitkin County or any of its officers, agents or employees. Further, nothing
in this Contract shall be construed or interpreted to require or provide for indemnification
of the Contractor by the County for any injury to any person or any property damage
whatsoever which is caused by the negligence or other misconduct of the County or its
agent or employees.
XVIII. Current Year Obligations. The parties acknowledge and agree that any payments
provided for hereunder or requirements for future appropriations shall constitute only
currently budgeted expenditures of Pitkin County. Pitkin County’s obligations under
this Contract are subject to Pitkin County’s annual right to budget and appropriate the
sums necessary to provide the services set forth herein. No provisions of the Contract
shall constitute a mandatory charge or requirement in any ensuing fiscal year beyond
the then current fiscal year of Pitkin County. No provision of the Contract shall be
construed or interpreted as creating a multiple-fiscal year direct or indirect debt or other
financial obligation of Pitkin County within the meaning of any constitutional or
statutory debt limitation. This Contract shall not directly or indirectly obligate Pitkin
County to make any payments beyond those appropriated for Pitkin County’s then
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current fiscal year. No provisions of this Contract shall be construed to pledge or create
a lien on any class or source of Pitkin County’s moneys, nor shall any provision of this
Contract restrict the future issuance of Pitkin County’s bonds or any obligations
payable from any class or source of Pitkin County’s money.
XIX. Notice. Any notice required or permitted under this Agreement shall be in writing
and shall be provided by electronic delivery to the e-mail addresses set forth below and
by one of the following methods 1) hand-delivery or 2) registered or certified mail,
postage pre-paid to the mailing addresses set forth below. Each party by notice sent
under this paragraph may change the address to which future notices should be sent.
Electronic delivery of notices shall be considered delivered upon receipt of
confirmation of delivery on the part of the sender. Nothing contained herein shall be
construed to preclude personal service of any notice in the manner prescribed for
personal service of a summons or other legal process.
To Pitkin County:
Lisa Tasker 530 E Main St Ste 301 Aspen, CO 81611 Email: lisa.tasker@pitkincounty.com
with copies to:
Pitkin County Attorney’s Office 530 E. Main St., Suite #301 Aspen, Colorado 81611 Email: Attorney@pitkincounty.com
To Contractor: LRE Water 909 Colorado Avenue Glenwood Springs, CO 81601
Phone: (970) 945-6777
Email: Chip.Fisher@LREwater.com
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IN WITNESS WHEREOF, the parties have executed this Contract as of the date first set out herein above. CONTRACTOR LEGAL ENTITY ________________________________________________ LRE Water Date
PITKIN COUNTY, COLORADO RECOMMENDED FOR APPROVAL:
_________________________________________________ Lisa Tasker #! Date
MANAGER APPROVAL: ________________________________________________ Lisa Macdonald #! Date
Aug-20-2024
Aug-20-2024
Aug-20-2024
June 17, 2024
Mr. Kurt Dahl
Pitkin County and Lincoln Creek Workgroup Kurt.Dahl@pitkincounty.com
RE: Technical Support for Lincoln Creek Workgroup Water Quality Sampling and Analysis Planning
Dear Mr. Dahl,
LRE Water (LRE) is pleased to present our proposal for a technical and senior review
support for the Lincoln Creek Workgroup (the Workgroup) Water Quality Sampling and
Analysis project. The following Proposal is based on discussions initially between
between Chip Fisher (LRE), Brent Johnson (LRE) and Karin Teague, Executive Director
of the Independence Pass Foundation, on May 1, 2024, during a Teams meeting. In
subsequent meetings of the Workgroup and Pitkin County Board of County
Commissioners work sessions, it was determined that Pitkin County would lead the
Lincoln Creek Water Quality study.
We understand that there is a potential combination of natural and anthropogenic
effects/impacts to Lincoln Creek water quality along its upper reaches, including a likely
point source related to the historical workings at the Ruby Mine. A Combined Assessment
Report (CAR) was developed by the Environmental Protection Agency (EPA) based on
field work conducted in 2022 with participation by Tetra Tech and the Colorado Mixed
Ownership multi-agency group.
The results of the assessment indicated highly variable chemical conditions both as a
function of time and season, and along different reaches of Lincoln Creek. Elevated, and
in some cases, dramatically increasing metals concentrations were observed;
specifically, copper. The cause of the increasing trends is not currently understood.
The conclusion of the report included a determination that the majority of the impacts was
attributable to naturally-occurring elevated metals loading from the “mineralized drainage”
down-gradient of the Ruby Mine. This conclusion resulted in a decision that the EPA did
not have the authority to conduct clean-up actions on the basin/creek.
The Workgroup recognizes that impacts continue, are likely worsening, and are having
an adverse effect on Lincoln Creek and Grizzly Reservoir. It is also recognized that there
Attachment A
Lincoln Creek Workgroup – Mr. Kurt Dahl Page 2 of 6
may be potential impacts to the downstream Roaring Fork River, a world-class
environmental and recreational resource including gold medal trout waters.
LRE provides this scope of work and cost estimate for technical and review support.
Specifically, in this first phase, LRE is proposing to conduct a site visit as well as review
the existing data while coordinating with the Workgroup to develop a technically-robust
monitoring plan that meets their short- and long-term goals and objectives for the
watershed. These goals likely include, at a minimum:
• Developing a robust sampling and analysis plan for the upcoming sampling
season;
• Developing an understanding of the Lincoln Creek chemistry including the natural
and anthropogenic impacts;
• Using that understanding to develop a short-list of potential, effective solutions to
mitigate those impacts and improve the water quality and habitat health of the
watershed; and,
• Selecting and implementing the most cost-effective mitigation measure(s).
I. SCOPE OF WORK
Phase I
Task 1: Data Review and Site Visit
The first step in this process is to conduct data review to include the recent reporting and
related data collected as part of that evaluation, any historical data, mapping, reporting,
mining records, and also data related to similar watersheds in Colorado. The quality and
breadth of data collected historically will guide the next steps and specifically, the next
sampling and analysis program.
LRE will also conduct a site visit to the upper Lincoln Creek project area and Grizzly Creek
Reservoir along with members of the Workgroup to better understand the geology,
topography, site conditions, and historical mining activities in the upper watershed. A one-
day site visit during the mid-to-late summer season is contemplated in this scope.
Task 2: Sampling and Analysis Plan Review
LRE will review the sampling and analysis plan. The key to a valuable review is to clearly
understand IPF’s short-term objectives for the work (i.e., what are the specific needs for
Lincoln Creek Workgroup – Mr. Kurt Dahl Page 3 of 6
the field work) but also the long-term goals of the overall program (i.e., water quality
objectives at specific locations) and project philosophy. This understanding will help LRE
identify gaps in the program and provide for a robust data set that will serve as a basis
and template for future monitoring and assessment.
The review of the sampling and analysis plan will include, at a minimum, the following
aspects:
• Sample types (water, solids, sediment, filtered vs unfiltered)Groundwater, surface
water, springs and seeps
• Field and laboratory analytical suites
o Major ion chemistry
o Trace constituents/metals/metalloids
o Nutrients
o Biological
o Stable and radiogenic isotopes
• Sample locations (upstream, downstream, tributaries, seeps and springs)
• Sampling intervals, and timing if applicable
• Sampling methods (i.e., filtered vs unfiltered)
• Stream flow measurements
• Synoptic vs time series methods
(Optional) Task 3: Data Analysis and Conceptual Model Development
The newly-minted database that will result from the summer sampling will need to be
evaluated, analyzed, and interpreted to develop an updated hydrological and
geochemical conceptual model of Lincoln Creek system. A conceptual model is a work
product that describes, usually through a series of diagrams and pictures, accompanied
by written explanations, the hydrological and geochemical conditions, mechanisms,
processes occurring in the study area. Figure 1 shows an example conceptual model
figure we developed for another project. The numbers on the figure represented important
physical processes or features that affected the issue being investigated. These were
described and accompanied the figure.
This conceptual model can serve many purposes, including:
• Defining knowledge gaps and needs to be filled in future work;
• Developing preliminary analytical models of the Creek
• Developing preliminary mitigation ideas and concepts that could improve water
quality such as:
Lincoln Creek Workgroup – Mr. Kurt Dahl Page 4 of 6
o Passivation
o Active treatment
o Passive treatment
o Dilution/mixing/diversion
o Source control
o Engineering controls
o And others.
• Communication, outreach, education, partnering, fundraising
Figure 1 - Example Conceptual Model Figure
Lincoln Creek Workgroup – Mr. Kurt Dahl Page 5 of 6
I. SCHEDULE
Phase I
We can begin the proposed services as soon as we receive authorization to proceed.
LRE Water estimates that Tasks 1 will take approximately two weeks plus a full-day site
visit to the Lincoln Creek project area. The results of the data review will be documented
in a short technical memorandum that lists the data reviewed and key findings from the
review.
Task 2 will also take about two weeks. Results will be documented as comments and
redline/strikeout in the sampling and analysis document itself. No other documentation is
envisaged at this stage.
Phase II
A schedule for this phase will be developed following Phase I.
II. COST ESTIMATE
Phase I
Based on guidance from Pitkin County, this phase will include two tasks, as detailed
below, at a total cost of $15,550.
1) Data Review and Site Visit - $12,730
Time estimate – 50 hrs for mid-level geochemist + 18 hrs for senior geochemist +
travel expenses (e.g., mileage)
Task 1 is assumed to include a site visit by two LRE staff in summer 2024 and a
detailed review of the 2023 EPA report, compiling all readily available information
from IPF, as well as conducting a document search for existing information from
publicly available sources (e.g., mining databases, federal, state, and local
governments, mapping and geologic data, historical documents, and academic
sites). We assume some of the data will need to be manipulated and or otherwise
processed to be put into a useful format for the initial evaluation. We will also do
some preliminary analyses and interpretation of the data to better understand the
flow and geochemistry of the system.
2) Review of Summer 2024 Sampling Plan - $2,820
Lincoln Creek Workgroup – Mr. Kurt Dahl Page 6 of 6
Time estimate – 12 hrs for senior geochemist
Task 1 is assumed to include time for a senior geochemist to review the sampling
plan and provide comments and/or recommendations regarding sampling and
analysis to the Workgroup.
3) Data Analysis and Conceptual Model Development - TBD
Task 3 can be included in a later phase of the project based on results and
outcomes of Phase I.
Phase II
We have not estimated costs at this time. The level of effort for Phase II will depend on
several factors including available funding, project goals, initial findings and learning
accomplished from the field activities, available in-house staff and expertise, and more.
Costs are assumed to be “time and materials,” not “lump sum.” This means that we will
invoice IPF only for hours worked. Invoicing is done monthly. If the level of effort ends up
being less than the budget, these funds will not be billed. If the effort ends up being more
than the estimate, we will discuss the reasons for the difference as soon as it is
recognized and determine a path forward collaboratively. Potential reasons for overages
include unforeseen issues with data, schedule, or site conditions.
We look forward to discussing this proposal with you. If you decide to move forward with
LRE helping on this project, we will ask IPF to enter into a contract arrangement. If you
have any questions about the services offered in the proposal, please call Brent at (303)
263-1552.
Sincerely,
LRE Water
Brent Johnson, PG
Principal
Hydrology and Geochemistry
Brent Johnson,PG QP
Mining Business Unit Lead,Principal.
EDUCATION
M.S.Geology-Geochemistry,C.U.
Boulder,1994
M.A.International Affairs The
American University,D.C.,1991
B.S.Geology,VPI&SU,Blacksburg,
VA 1989
B.A.Spanish,VPI&SU,Blacksburg,
VA 1989
PROFESSIONAL REGISTRATION
PG (Wyoming)
QP (Env)SME Registered Member
EXPERIENCE
2024–Present LRE Water
2015-2023 HydroGeoLogica Inc
2010-2015 InterraLogic/Hatch
2002-2010 Water Management
Consultants/SWS
1994-2002 Golder Associates
Brent Johnson has thirty years of professional experience in mining hydrology,
geochemistry,water quality prediction and management.He designs and
executes hydrologic and geochemistry studies for all phases of mining and
industrial projects including due diligence,feasibility,permitting,baseline
studies,mining optimization,reclamation,and source control.He is an expert
in mine water and mine waste specifically related to waste rock,tailings,pit
lakes,heap leach pads,for both current and legacy sites.He has expertise in
hydrogeologic characterization,saturated and unsaturated groundwater flow
modeling,seepage modeling for dams and cover/liner systems and he has
extensive experience in mine-site aqueous chemistry and developing
innovative approaches to managing water quality issues.Mr.Johnson serves
on 11 tailings review boards worldwide and has worked extensively at sites in
Asia,Africa,North and South America,and Europe,from tropical to northern
latitude conditions.Brent is fluent in English and functional in Spanish.
FEATURED PROGRAM &PROJECT EXPERIENCE
Metates Mine,Mexico,Chesapeake Mining
Mr.Johnson conducted
hydrogeologic and
geochemistry
studies in support of
feasibility and
permitting at a large,
multi-faceted mine
project with multiple
waste streams.He
evaluated four key
waste streams and developed innovative management options to
limit project risk and cost.Site hydrogeologic modeling was also
conducted to predict pit dewatering requirements and pit refilling for
developing pit lake closure options including tailings backfill and
treatment options.
Liberty Pit Lake Management/Treatment,Liberty Mine,Nevada
Mr.Johnson conducted a
pit hydraulic sink
evaluation of this pit
that barely intersects
Brent Johnson PG QP
Page 2
PROFESSIONAL ACTIVITIES
American Exploration &Mining
Association
International Association of
Geochemistry
ASTM review committee for ARD
and HCT methods
Acid Drainage Technology
Initiative (ADTI)
International Mine Water
Association (IMWA)
the water table.The evaluation was done using both hydraulic and
water quality data to determine if water was likely to be exiting the pit
into the adjacent subsurface.Pit lake water treatment scenarios were
also developed,including PHREEQC modeling to estimate water
treatment costs and post-treatment water quality of the lake water.
Results were optimized to minimize cost and logistical constraints and
used to support the interim reclamation planning with regulators.
Keno Hill Mining District Reclamation,Yukon Territory,Canada,Alexco Mining
Mr.Johnson designed and oversaw the multi-year
collaborative implementation of a regional-scale
closure and rehabilitation project in the northern
Yukon Territory which has been impacted by over
100 years of mining activities.The closure project
was jointly funded by Alexco Mining and the
Canadian government and all phases of the
closure project undergo rigorous scrutiny by
numerous interested parties including the Yukon
Government,First Nations (indigenous peoples),
local residents,and the mining company.The
project included over 100 impacted sites with challenging hydrologic,terrain,logistical,and climatic
conditions.The program design involved evaluation of innovative technologies for management and
treatment of impacted waters,source control,and engineered solutions to provide the most
cost-effective,sustainable,and mutually acceptable closure and rehabilitation options.Solutions were
required to be forward-looking to include climate change and re-use of lands by First Nations and
wildlife for generations to come.
SELECTED PROJECT SUMMARIES
Newmont Mining,Independent Tailings Review Boards,Worldwide
Serving on ITRBs for 11 of Newmont’s active and legacy mining projects in Canada,Mexico,Peru,and Ghana.
Responsible for environmental,geochemistry,and hydrology review and risk evaluation for tailings facility
annual technical reviews.
Denison Mines,Wheeler River In-situ Uranium Project,Saskatchewan,Canada
Brent Johnson PG QP
Page 3
Feasibility Study technical support for geochemical modeling of in-situ uranium leaching and reclamation,and
for well-field design and associated GoldSim water balance model development for mine planning and
sequencing of production well installation and reclamation of the leached ore body.
Boliden,Aitik Mine Permitting,Sweden
Tailings facility expansion design and permitting support.Provided geochemical and hydrologic modeling
support for tailings design options and permitting/litigation support.
Alaska Gold,Rock Creek and Big Hurrah Projects,Alaska,United States
Baseline and permitting support for two mining projects near Nome,Alaska,including hydrogeology and
geochemistry baseline design and execution.Geochemical and hydrogeological modeling and impacts
assessment.
Ioneer,Rhyolite Ridge Lithium Project,Nevada,United States
Geochemical and hydrogeological baseline characterization in support of developing the Plan of Operations
and NEPA and State permitting.Groundwater flow,pit lake,and geochemical modeling developing to support
impacts assessment and permitting.
Rio Tinto Iron Ore,Various Pit Lake Studies,Western Australia
High level and detailed technical review of GoldSim and PHREEQC geochemical modeling of pit lakes for
various iron ore mines in Western Australia in support of permitting and feasibility of expansion projects.
Klondex Gold &Silver Fire Creek Underground Project,Nevada
Geochemistry and Hydrology technical studies to support feasibility,operations,and NEPA permitting.Tasks
included geochemistry and hydrology baseline studies,rapid infiltration basin and water management design,
water resources development and management,and mine dewatering design.
Newmont Mining Co.,Batu Hijau Mine,Indonesia
Sedimentation/retention dam seepage analysis on seven facilities with finite element model.Waste rock
seepage analysis,water balance,and water quality assessment using Goldsim and PhreeqC to evaluate mixing
options to improve discharge water quality.
Kinross,Mantos de Oro Mine,Chile
Sitewide geochemical evaluation including sampling and analysis to support tailings management,seven pit
lake evaluations including Ladera Farellon,Breccia Norte,Can Can,Coipa Norte,Puren,and Chimberos pits,
and waste rock facility closure studies.
Newmont Mining Co.,Kori Kollo Mine,Bolivia
Final closure planning for Kori Kollo and Kori Chaca Mine areas including multiple pit lakes,waste rock facilities,
tailings facility,heap leach facilities,and evaporation ponds.Geochemical evaluation of pit wall,waste rock,
leached ore,and cover materials to support detailed costing and closure design.
Newmont Mining/Agincourt Inc,Martabe Mine,Sumatra,Indonesia
Brent Johnson PG QP
Page 4
Geochemical sampling,analysis,and interpretation to support feasibility studies for the project.Design and
implementation of on-site columns.Prediction of contact water chemistry to support management and
treatment design in high rainfall environment (3 to 4 meters/year).
Goldcorp Inc.,Marlin Mine,Guatemala
Mine water management study and impacts evaluation to support community relations issues.Surface and
groundwater evaluations conducted to define background water impacts and potential influences of mining on
water resources.Regional water census conducted including house-to-house interviews to define water usage
and water sources for local communities.
Selected Technical Papers
B.Johnson,P.Rohal,L.E.Eary.2018.Coupling PHREEQC with GoldSim for a More Dynamic Water Modeling
Experience.ICARD 2018,Pretoria,South Africa.
Novotny,M,B.Johnson,D.Castendyk,2017.Tailings Backfill for Optimizing Pit Lake Water Quality.Society of
Mining Engineering,2017 National Conference Proceedings,Denver,Colorado.
B.Johnson,G.Parkison,W.Cincilla.2015.Innovative Mine Waste Management Planning at a Site with Multiple
waste streams.ICARD 2015,Santiago Chile.
Jamieson,H.,A.Gault,B.Sherriff,B.Johnson,and J.Harrington.Natural Attenuation of Zn and Cd in
Circumneutral Mine Drainage at No Cash Creek,Yukon,Canada.Geologic Society of America Abstracts
with Programs. Vol.45,No.7,p.217
L.E.Eary,B.Johnson,J.Harrington,S.Davidson.2012.Attenuation of Metals from the No Cash 500 Mine Adit
Discharge in a Natural,Cold Climate,Peat Wetland Part 1 –Concentration Trends and Conceptual Model.
ICARD 2012,Ottowa,Canada.
B.Johnson,L.E.Eary,B.Sherriff,J.Harrington,S.Davidson.2012.Attenuation of Metals from the No Cash 500
Mine Adit Discharge in a Natural,Cold Climate,Peat Wetland Part 2 –Hydrological and Geochemical
Mechanisms.ICARD 2012,Ottowa,Canada.
Z.Miao,M.L.Brusseau,K.C.Carroll,C.Carreón-Diazconti,B.Johnson.2011.Sulfate Reduction in
Groundwater:Characterization and Applications for Remediation.Environmental Geochemistry and Health.
Vol.34:539-550.
B.Sherriff,B.Johnson,S.Davidson,J.Harrington.2011.Manganese Precipitation and the Removal of Zinc from
No Cash Creek,Keno Hill,Yukon,Canada.Goldschmidt Conference Poster.Prague,Czech Republic.
K.Lang,J.Rowe,J.Harrington,Brent Johnson,and R.McKittrick.2007.Strategies and Technologies for Early
Mine Closure Planning.Mine Closure 2007.Santiago,Chile.
Johnson,B,K.Carroll.2007.Waste Rock Backfill of Open Pits:Design,Optimization,and Modeling
Considerations.Mine Closure 2007.Santiago,Chile.
Johnson,B,K.Carroll.2005.Waste Rock Backfill of Open Pits in Nevada:Design,Optimization,and Modeling
Considerations.Heap Leach and Waste Rock Facility Closure Workshop,Elko,NV.
Wickham,M.,B.Johnson,and D.Johnson.2004.Dynamic Systems-modeling Approach to Evaluating
Hydrologic Implications of Backfill Designs.Mining Engineering;Vol 56,No 1.
Verburg,R.,B.Johnson,and M.Fordham.2002.A Simple,Bench-scale Method for Screening Pyritic Tailings
Paste Mixtures –Somincor Portugal.ICARD 2002 Meeting.Proceedings from the 6th Annual International
Conference on Acid Rock Drainage,Cairns,Australia.
Wickham,M.,B.Johnson,and D.Johnson.2000.Considerations for Pit Backfill.ICARD 2000 Meeting.
Proceedings from the 4th Annual International Conference on Acid Rock Drainage,Denver,Colorado.
Wickham,M.P.,B.Johnson.1998.“Impacts to Groundwater from Stored Acidity.”Arizona Hydrological Society
Abstracts -1998 AHS Symposium.
Wickham,M.P.,B.Johnson,and A.M.Wilkinson.1997.Considerations for Characterizing Background
Groundwater Chemistry with Acidic Impacts from Historical and Present-day Discharges.Abstracts with
Programs:Geologic Society of America National Meeting,Salt Lake City,Utah.
Brent Johnson PG QP
Page 5
Johnson,B.,T.P.Loveseth and J.C. Volpe.1996.Application of Point Dilution Tracer Methods to Determine
vertical profiles of Specific Discharge at the Rocky Flats Environmental Technology Site.Abstracts with
Programs:Geologic Society of America National Meeting,Denver,Colorado.
Budd,D.A.,B.Johnson.1995.Relationships between diagenesis and regional fluid flow in modern regional
carbonate aquifers:American Association of Petroleum Geologists,Annual Convention Program,v.4,p.
13A.
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