70CNR-S3900- Scope of Work~2.pdf

Nevada State Purchasing Division Department of Administration 515 E Musser St Ste 300 Carson City, NV 89701 purchasing.nv.gov nevadaepro.com

Revised 2024-10 Page 1 of 5

70CNR-S3900

Environmental Mitigation, Assessment, and Remediation Services

Scope of Work

1. PROJECT OVERVIEW AND OBJECTIVES

1.1. The Nevada Division of Environmental Protection (Division), Bureau of Corrective Actions (BCA) is interested in procuring the services of two contractors for the performance of Statewide environmental mitigation, assessment, and remediation services at the discretion and direction of the Division, on an as-needed basis. The scope of work set forth below establishes the general framework of services required, which shall be applied depending upon the condition under which suspected or existing environmental contamination may occur.

1.2. The Division requires the selected contractors and/or subcontractors be fully prepared to initiate support services in the

State of Nevada as described in the Scope of Work below, upon start of the contract. Individual tasks and expenditures will be negotiated consistent with the framework outlined herein. Regulatory oversight requires engineering, scientific, technical, and advisory assistance services of several specialists, including but not limited to mining engineers, environmental and civil engineers, geotechnical engineers, hydrogeologists, chemists and geochemists, statisticians, toxicologists, and risk assessors.

2. SCOPE OF WORK

2.1. TASK OVERVIEW

2.1.1. Services provided under this contract shall address environmental contamination from all potential sources. Given the broad range of conditions under which contamination may occur, this Scope of Work establishes the general framework of services anticipated under the contract, described in the sections below. Specific tasks will be assigned on an as-needed basis, at the discretion and direction of the Division, based on the nature of each individual site or incident.

2.1.2. The requested services will be dependent upon the conditions under which suspected or existing environmental contamination may occur. The following broad capabilities are anticipated to be required under the contract; however, this is not to be considered a comprehensive description of all required services.

A. Spill/leak stabilization, characterization and cleanup;

B. Waste characterization;

C. Removal and proper containerization of impacted media or waste;

D. Coordination of waste/impacted media transport for disposal/treatment;

E. Implementation of engineering controls to prevent ongoing exposure to releases, including indoor air abatement systems; and F. Providing alternative sources of drinking water when local supplies have been or may be compromised.

2.2. SITE ASSESSMENT AND CHARACTERIZATION SERVICES

2.2.1. The selected contractors will support the Division in matters relating to assessment and characterization of hazardous and regulated substance contamination of air, soil, groundwater, and surface water occurring as the result of releases which represent an imminent threat to human health and the environment, or that otherwise require action under the governing authorities of funding sources.

2.2.2. Services which may be performed as part of assessment/characterization activities shall include, but are not limited to:

A. Soil boring advancement oversight;

B. Monitoring well installation, development, and surveying oversight;

C. Soil, air, and water sample collection and laboratory analysis coordination;

D. Waste characterization;

https://purchasing.nv.gov/ https://nevadaepro.com/

Page 2 of 5 70CNR-S3900 Scope of Work

E. Soil gas surveys;

F. Identification of responsible parties;

G. Securing site access and rights of way;

H. Public information dissemination;

I. Development of monitoring and health and safety plans;

J. Risk assessment, statistical analysis, and toxicology;

K. Data interpretation, report preparation, and recommendations for further work;

L. Mathematical modeling of contaminant fate/transport; and M. Disposal of contaminated media generated during assessment and remediation phases.

2.3. REMEDIATION SERVICES

2.3.1. The selected contractors will support the Division in matters relating to remediation of air, soil, groundwater, and surface water contamination throughout the State.

2.3.2. Services that may be performed as a part of remediation activities include, but are not limited to:

A. Development of remediation plans;

B. Remedial system design, including use of mathematical modeling results to establish design parameters;

C. Statistical risk analysis and toxicology;

D. Soil excavation, treatment, and disposal;

E. Water, vapor extraction or sparge well installation;

F. Designing and conducting remediation pilot tests;

G. Air emission evaluation;

H. Water treatment and disposal;

I. Hazardous waste characterization and coordination of manifesting, treatment and disposal requirements;

J. Coordination of work activities with State and local agencies;

K. Obtaining permits required by other agencies or Division bureaus L. Securing rights of way;

M. Public information dissemination;

N. Development of monitoring and health and safety plans;

O. Acquisition of all necessary permits for remediation systems;

P. Implementation of approved remediation plans;

Q. Operation and maintenance of remediation systems; and R. Preparation of monitoring and data reports.

2.4. CHLORINATED SOLVENT IMPACTED SITE SERVICES

2.4.1. The selected contractors will support the Division with response and cleanup of petrochemical discharges under Nevada

Revised Statue 445C.320, including perchloroethylene and any degradation product of perchloroethylene (collectively referred to herein as “chlorinated solvents”).

2.4.2. Services consist of tasks outlined under Scope of Work sections, Site Assessment and Characterization Services and Remediation Services.

2.4.3. Due to the potential for litigation of these cases, the Division requirement to seek reimbursement of State expenditures, and the likelihood of complete exposure pathways.

2.4.4. Contractors should demonstrate specific experience in addressing sites with chlorinated solvent releases and expertise in the following tasks:

A. Vapor intrusion modeling, risk evaluation, and abatement for chlorinated solvents;

B. Assist with community outreach;

C. Conduct surveys in residential and commercial settings to identify potential background sources of indoor air contamination;

D. Collect and coordinate laboratory analysis of indoor air samples;

E. Design, installation oversite, and operation of vapor intrusion mitigation systems;

F. Rapid design and implementation of hydraulic control or containment of groundwater;

G. Development of Engineering Evaluation/Cost Analysis deliverables or equivalent methods of remedy evaluation and cost estimation;

H. Remedy system optimization for chlorinated solvents;

I. Development of conceptual models for chlorinated solvent discharge, fate, and transport and forensic analysis of release sources, mechanisms, and timeframes;

Page 3 of 5 70CNR-S3900 Scope of Work

J. Contribution analyses and potentially responsible party searches; and K. Detailed and defensible project accounting.

2.5. ABANDONED MINE LAND (AML) SITE SERVICES

2.5.1. The selected contractors will support the Division with response, investigation and cleanup of abandoned mine land sites.

2.5.2. Direction from the Division may include management and mitigation of acid mine discharges and stabilization of heap leach pads, tailings impoundments, waste rock dumps, and any other mine features presenting risk of exposure to human health or the environment, or potentially degrading water Statewide.

2.5.3. Abandoned mine lands support may include, but is not limited to:

A. Process pond and heap conveyance channel liner maintenance and repairs;

B. Heap detoxification studies/activities;

C. Site security to include fencing installation and/or repair to prevent site access;

D. Document searches and reviews, and preparation of monitoring data and reports;

E. Process solution/surface water/groundwater sampling and transport under chain of custody;

F. Well/piezometer/lysimeter installation and monitoring;

G. Soil/heap borings and sampling;

H. Tailings impoundments and/or waste rock dump geophysical and geochemical stability assessments and monitoring;

I. Providing detailed cost estimates for various scenarios and solutions;

J. Mathematical modeling of heap covers and contamination fate and transport through the vadose zone;

K. Coordination of work activities with State, Federal, and local agencies, and private land holders;

L. AML site assessments, including file research, RP search, and site reconnaissance activities, while working closely with, and under the direction of, AML Branch staff;

M. AML site feature sampling and analyses, including XRF meter and other site screening tools;

N. Drone use for site overflights or data gathering in hazardous locations;

O. Development and implementation of HASPs, SAPs, and QAPPs;

P. Manage sub-contractors as needed or requested by the Division, and provide all sub-contractors reports;

Q. Remedial action construction oversight;

R. Human health and/or ecological risk assessments;

S. Data interpretation, report preparation, and recommendations for further work;

T. Soil excavation, treatment and disposal;

U. Hazardous waste characterization and coordination of manifesting, treatment and disposal requirements;

V. Construction/engineering design and specifications in Construction Specification Institute (CSI) format and in

Imperial (English) units;

W. Process pond sump pumping;

X. Leak detection port monitoring and pumping;

Y. Designing passive or active process solution treatment systems;

Z. Pit lake monitoring and treatment (modeling not required);

AA. Providing data collection needs and methods of analysis (i.e. ASTM, EPA); and BB. Development of schedule of activities (i.e. Gantt charts).

2.6. GENERAL

2.6.1. Sources of program funding under this contract include the State Hazardous Waste Management Fund, State Petroleum

Fund, Storage Tank Management Fund, Superfund Preliminary Assessment and Site Inspection Grant, State Response Grant, and the Department of Defense Grant.

2.6.2. Partnering subcontractors may be identified to conduct portions of work outputs, however, a favorable contractor demonstrates capacity to conduct services outlined in the scope with minimal reliance on partnering subcontractors.

2.6.3. Partnering subcontractor selection must be in accordance with State and Federal sub-agreement and subcontract procurement procedures including submission of a completed Cost Schedule attachment for each partnering subcontractor identified in the proposal.

2.6.4. Outside service subcontractors, specialized service subcontractors, or specific expertise subcontractors must be identified by the contractor when applicable to a project specific task order. Use of and pre-approval by the Division are required prior to task approval. All contractor, subcontractor, or outside service contractor expenses exceeding the task approved budget must be justified as a task amendment and approved by the Division prior to invoice or continued service.

Page 4 of 5 70CNR-S3900 Scope of Work

2.6.5. Projects undertaken through this contract may require one-time services from an outside subcontractor not explicitly outlined in this scope of work. Use of task specific subcontractors must be provided to the Division as part of a task proposal, and shall include quotes, equipment rates, subcontractor expenses, and hourly rates to be included in the task.

2.6.6. The Division will inform contractors of all known project site conditions during the scoping process. Input from contractors regarding the necessary scope of individual projects will be solicited. Expenses for each major activity will be negotiated by the Division and contractors in accordance with State regulations.

2.7. REPORTS

2.7.1. A written report shall be submitted at the completion of each major project task. Additional periodic status reports may be required on an as needed basis. A project specific output schedule shall be negotiated by the Division with the contractor prior to the commencement of project work.

2.7.2. Unless directed otherwise, reports shall include all raw data, findings, interpretations, conclusions and recommendations.

2.7.3. All work products shall be public information, unless otherwise determined to be confidential by the Division in accordance with State law and will become the property of the Division.

2.8. GEOGRAPHIC LOCATION OF WORK

2.8.1. All activities to be performed will be conducted within the boundaries of the State of Nevada. Due to the uncertain nature as to the number and locations of individual project sites, contractors must be prepared to conduct activities Statewide. Circumstances may dictate multiple project activities in disparate geographic locations are conducted simultaneously.

2.9. DELIVERABLES AND RECORD KEEPING

2.9.1. All written deliverables must be in Microsoft Office (docx) or Adobe Acrobat, or other software specifically related to data generation or analysis.

2.9.2. Contract invoices are required to follow established accounting and invoice practices developed by the Division fiscal staff. Initial guidance for acceptable billing formats, required documentation, retentions, and quarterly invoice requirements associated with this contract may be requested by the contractor upon final contract award. Division fiscal staff will notify contractors of billing procedure changes, including but not limited to adjustments of Statewide per diem and travel rates and regulations. All contract invoices must include and or abide by the following terms:

A. Invoices under an approved project-specific scope of work and assigned task may be submitted monthly, however must be received by Division fiscal staff no later than 30 days after close of the FY quarter. All final FY invoices are required to be submitted to Division fiscal staff no later than 5pm on the first Friday in August.

B. Contractor and subcontractor time sheets validating completion of work activities under an approved task must include names, dates and hours worked by each staff member, along with the billable title in accordance with contracted billing rates.

C. All supporting documentation including outside contractor invoices, travel backup in accordance with State and GSA guidelines, and expenses associated with an approved task must be provided to the Division in order to validate and pay an invoice.

D. Invoices must include the assigned task number and Division coding along with an accounting of previous invoices paid under the contract.

E. The contractor is solely responsible for obtaining, correcting, and maintaining all information required by the Division in order to validate and pay any invoice.

F. It is imperative that contractors demonstrate accurate site-specific accounting and detailed task-specific invoice documentation.

2.10. OTHER CONTRACTOR RESPONSIBILITIES

2.10.1. When submitting documents containing recommendations, the contractors shall explain or rank alternatives and describe procedures used to arrive at recommendations. They shall summarize substance of deliberations, report dissenting views, list sources relied upon, and detail methods and considerations upon which recommendations are based.

2.10.2. Selected contractor task proposals shall not have an actual or potential organizational conflict of interest with the private sector entity or responsible party. Task proposals with an organizational conflict, as determined by the Division, will not be considered.

2.10.3. The Division will not review Health and Safety Plans, however, the selected contractors will be responsible and should

Page 5 of 5 70CNR-S3900 Scope of Work demonstrate capabilities for assuring the health and safety of personnel and subcontractors in accordance with applicable laws and regulations while performing work under this contract.

2.10.4. The Division will make all final regulatory, policy, and interpretative decisions resulting from

2.10.5. contractor advice and determinations provided under the contract, as well as all final decisions regarding compliance determinations or the existence or violations of an order, law, regulation, etc.

2.10.6. When conducting presentations, contractors shall not interpret any Division policy or regulations. All questions regarding Division policy and regulations shall be referred to the Division.

2.10.7. The contractors are responsible for timeliness, accuracy, and quality of all reports and invoices. They shall ensure all documents, submittals, and records are provided in accordance with deliverable requirements identified above.

2.10.8. A schedule for outputs and the budget for each individual task shall be negotiated prior to commencement of project work. All work products shall become property of the Division as public information, unless otherwise determined confidential by the Division and the State Attorney General’s office in accordance with State law. The contractors shall not publish or otherwise release, use, or disclose any work product generated under the contract without obtaining prior express written approval from the Division.