RP016_26 Inv.pdf

RP016-26 Page 1

May 13, 2026

REQUEST FOR PROPOSAL

RP016-26

The Gwinnett County Board of Commissioners is soliciting competitive sealed proposals from qualified consultants for Consultant Demand Services on an Annual Contract for the Department of Water Resources.

Proposals must be returned in a sealed container marked on the outside with the Request for Proposal number and Company Name. Proposals will be received until 2:50 P.M. local time on July 29, 2026, at the Gwinnett County Financial Services - Purchasing Division – 2nd Floor, 75 Langley Drive, Lawrenceville, Georgia 30046. Any proposal received after this date and time will not be accepted.

The proposal opening will be virtual ONLY. To access the proposal opening virtually, visit the following link:

https://teams.microsoft.com/meet/289473811163273?p=81u85LYUXE9A2vkbon, or dial 323-676-6170 and enter Conference ID 849 179 439#. A list of firms submitting proposals will be available the following business day on our website www.GwinnettCounty.com.

A virtual pre-proposal conference is scheduled for 10:00 A.M. on June 18, 2026. To access the pre-proposal conference virtually, visit the following link:

https://teams.microsoft.com/meet/244203200616854?p=7mFsQz7LNmXX5BfewX or dial 323-676- 6170 and enter Conference ID 652 100 697#. All consultants are urged to attend.

Questions regarding proposals should be directed to Anna West, Purchasing Associate II at Anna.West@GwinnettCounty.com or by calling 770-822-7862, no later than June 10, 2026. Proposals are legal and binding upon the vendor when submitted. One unbound original and five (5) copies should be submitted.

Successful consultants will be required to meet insurance requirements. The Insurance Company should be authorized to do business in Georgia by the Georgia Insurance Department, and must have an A.M. Best rating of A-10 or higher.

Gwinnett County does not discriminate on the basis of disability in the admission or access to its programs or activities. Any requests for reasonable accommodations required by individuals to fully participate in any open meeting, program or activity of Gwinnett County Government should be directed to the ADA Coordinator at the Gwinnett County Justice and Administration Center, 770-822-8165.

The written proposal documents supersede any verbal or written prior communications between the parties.

Selection criteria are outlined in the request for proposal documents. Gwinnett County reserves the right to reject any or all proposals to waive technicalities, and to make an award deemed in its best interest.

Award notification will be posted after award on the County website, www.gwinnettcounty.com and companies submitting a proposal will be notified via email.

We look forward to your proposal and appreciate your interest in Gwinnett County.

Anna West Purchasing Associate II https://teams.microsoft.com/meet/244203200616854?p=7mFsQz7LNmXX5BfewX mailto:Anna.West@GwinnettCounty.com http://www.gwinnettcounty.com/

RP016-26 Page 2

I. INVITATION TO SUBMIT PROPOSALS

A. The Gwinnett County Department of Water Resources (GCDWR) hereby requests Proposals from consultants for Consultant Demand Services on an Annual Contract with four options for renewal. This submission will assist Gwinnett County in selecting consulting firms to provide demand services for the County in its implementation of its capital improvement and operating programs.

GCDWR needs sufficient information to determine that your firm is adequately staffed and capable of providing annual consultant demand professional services for one or more of the following service categories where your firm may attempt to qualify.

• Service Category A – Water and Water Reclamation Facilities and Pump Station Services

• Service Category B – Water Line, Sewer Line and Reuse Water Line Services

• Service Category C – Watershed and Stormwater Infrastructure Services

• Service Category D – Dam Services

• Service Category E – Asset Management, Data Management, Planning and Modeling Services

• Service Category F – Programmatic Rehabilitation Management Services

• Service Category G – Specialized Support Services

Gwinnett County has a separate annual contract for “Comprehensive Materials & Field Testing and Miscellaneous Services” which includes geotechnical services. Providing geotechnical services are not required under any of the above listed Service Categories.

Gwinnett County intends to select a minimum of three (3) firms under each of the Service Categories.

Depending on the number of proposals and different types of specialized services submitted for Service Category G, there is no specified minimum or maximum number of firms to be selected under Service Category G. The minimum numbers noted above are not guaranteed, Gwinnett County reserves the right to award to a smaller or larger number of firms, if in the County’s best interest.

A separate proposal is required for each Service Category from firms if they wish to be considered for that specific Service Category. Consultants shall submit one independent proposal for each Service Category addressing criteria requested under Section IV. PROPOSALS and one independent fee schedule for each Service Category as required under Section V. PROPOSAL FEE SCHEDULE.

B. Partnering, Teaming, and Subconsultants Partnering, teaming and subconsultants will be permitted as part of the proposal for every category with the exception of Category G – Specialized Support Services. For Service Categories A through F, if partnering or teaming, all of the teaming partners, and/or subconsultants must be clearly identified and the reasons and benefits to the County for this teaming arrangement presented.

C. Proposal One (1) unbound original – single sided (designated as the original), five (5) bound copies (may be double sided), and one (1) electronic version of the proposal should be submitted on a thumb drive. All copies of the proposal must be identical. The electronic version should be one .pdf file that is identical to the hard copies and not multiple files.

The full cost of proposal preparation is to be borne by the proposing firm. The original proposal must be signed in ink by a company official who has authorization to commit company resources. These officials will also be individuals noted as authorized to sign Work Authorizations.

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Proposals shall be submitted in a sealed envelope/package. Envelope/package shall be addressed to the following and labeled as shown below:

Gwinnett County Purchasing Division Gwinnett Justice and Administration Center - Second Floor 75 Langley Drive Lawrenceville, Georgia 30046

RP016-26 Consultant Demand Services on Annual Contract Service Category (insert Service Category Letter – Category Name) Company Name

D. Proposal Fee Schedule

The Proposer is to submit, in a separately sealed envelope, one (1) original copy of their Proposal Fee Schedule per category proposing. Envelope/package shall be addressed to the following and labeled as shown below:

Gwinnett County Purchasing Division Gwinnett Justice and Administration Center - Second Floor 75 Langley Drive Lawrenceville, Georgia 30046

RP016-26 Consultant Demand Services on Annual Contract Service Category (insert Service Category Letter – Category Name)

FEE SCHEDULE

E. Consultant Proposal Development and Submittal Responsibilities

Request for Proposal Questions: All questions concerning this RFP should be directed IN WRITING by the date indicated on the cover page of the invitation.

Where appropriate, County responses to formal questions will be in writing and will be distributed to all firms on our record as having received a copy of this RFP.

Please note that it is the Consultant’s responsibility to confirm with the Purchasing Associate that the Proposer is on record as having received a copy of this RFP and associated addendum. In each case of formal questions, the County will determine whether a response is appropriate or necessary. If questions require a formal response or changes are made to the RFP, an Addendum(s) will be issued to all proponents via email to the address on file.

Proposal Development Costs. Gwinnett County will not pay any Consultant or Subconsultant for work done in preparation of this proposal submittal.

Proposal Submittal. Sole responsibility rests with the firm to ensure that their proposal(s) are received on time at the above stated location.

Proposals submitted by alternate means other than those specified in this solicitation will be rejected and disposed of accordingly. This includes proposals sent by facsimile, email, or any other electronic or telegraphic means. If the County receives a proposal through such alternate means, the County does not assume any burden or liability to notify the Consultant that the proposal has been rejected.

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Proposers are to follow the instructions outlined in this solicitation and failure of the Proposer to do so may result in the County deeming the Proposer’s submittal as non-responsive. Firms are expected to allow adequate time for delivery of their proposals either by hand delivery, postal service or other means.

Late proposals will not be accepted and will be returned to the Proposer. If hand delivering, allow extra time as you will be required to go through security.

F. No Communication Period

Between the date of the issuance of the solicitation and the date of the final contract award by the Board of Commissioners, individuals, firms and businesses seeking an award of a Gwinnett County contract may not initiate or continue any verbal or written communications regarding a solicitation with any County officer, elected official, employee or other County representative without written permission of the Purchasing Associate named in the solicitation. Violations will be reviewed by the Purchasing Director. If determined that such communication has compromised the competitive process, the offer submitted by the individual, firm or business may be disqualified from consideration for award. This process is to ensure that all prospective respondents have the same level of knowledge relative to the RFP, as well as ensuring any additional data is made available to all proposers.

G. Proposals Received Submitted proposals and all documentation regarding the proposals will not be made available to the public until such time that an official action has been taken by the Gwinnett County Board of Commissioners to award or reject this solicitation. All proposals and supporting materials, as well as correspondence relating to this RFP, become property of Gwinnett County when received and will be subject to the Georgia Open Records Act.

H. Legal

All applicable State of Georgia and Federal laws, City and County ordinances, licenses and regulations of all agencies having jurisdiction shall apply to the consultants and services throughout and incorporated herein by reference. The Agreement with the selected firm, and all questions concerning the execution, validity or invalidity, capacity of the parties, and the performance of the Agreement, shall be interpreted in all respects in accordance with the Charter and Code of Gwinnett County and the laws of the State of Georgia.

I. Work Authorizations Following award of the selected firms under each Category of this contract, firms will be contacted based upon their qualifications and experiences to develop an approach and fee for Work Authorizations for a specific project. For each work authorization, the County will select the most qualified firm to submit a Work Authorization proposal that it deems would provide the best service/value for the specified project and/or is in the best interest of the County. GCDWR will be mindful of the current level of participation and equitable distribution of work in Service Categories A through F.

Based on the County’s current needs, the County does not anticipate requesting competing work authorization proposals from multiple consultants for a single project unless the County and the Consultant cannot agree to the project specific terms and conditions.

For approved Work Authorizations spanning more than one calendar year, a Purchase Order will be issued for the initial calendar year using the cash flow forecast amount presented by the Demand Service Consultant. The Purchase Order will be increased each calendar year based on the cash flow forecast until the Work Authorization has reached its Not-to-Exceed amount or the contract term is ended. For approved Work Authorizations that will be completed within a single calendar year, the Purchase Order will be issued for the full Work Authorization amount.

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No minimum or maximum amount of work is guaranteed for each selected firm under this solicitation, and work will be procured on an as-needed basis via Work Authorization approvals per request. GCDWR will be mindful of equitable work distribution among the selected consultants for Service Categories A through F. Gwinnett County will not pay any Consultant or Subconsultant for work done in preparation of work authorization proposals.

II. INSTRUCTIONS TO CONSULTANTS

A. Consultant Qualifications

No proposal shall be accepted from and no contract will be awarded to any person, firm, or corporation that is in arrears to Gwinnett County, upon debt or contract that is a defaulter, as surety or otherwise, upon any obligation to Gwinnett County or that is deemed irresponsible or unreliable by Gwinnett County.

If requested, consultant shall be required to submit satisfactory evidence that they have a practical knowledge of the particular service proposed upon and that they have the necessary staffing and financial resources to provide the proposed service category called for as described in Section III.

DESCRIPTION OF SERVICES of this RFP

B. Annual Consultant Demand Services Agreement The Consultant will be expected to sign an Annual Consultant Demand Services Agreement for professional services developed by Gwinnett County (Sample Annual Consultant Demand Services Agreement included). The proposal should contain a statement that the Consultant has carefully reviewed the agreement, can meet all insurance and other requirements, and if selected, will sign the agreement. No modifications to the agreement will be permitted. This information must be included in the cover letter as referenced in Section IV. PROPOSALS of this RFP.

Selected consultant(s) are required within ten (10) days of the Notice of Award to provide the following:

• Certificate of Insurance specified in proposal

• Two (2) sets of properly executed contract documents.

C. Local Small Business

Gwinnett County Government encourages the participation of all businesses in offering their services and/or products. The Gwinnett County Government has the goal to fairly and competitively procure the best product at the most reasonable cost. The County also desires to identify Local Small Business participation in our contracts and to quantify that participation. The Consultant is requested to indicate any Local Small Business in your submittal, on the firm information page. A Local Small Business is defined as any business or firm that is independently owned and operated with either 100 or fewer employees or $10 million or less in gross receipts per year, and that has an office located within the boundaries of Gwinnett County or a municipality within Gwinnett County and holds a current Gwinnett County Occupational Certificate or its equivalent issued by a municipality within Gwinnett County.

III. DESCRIPTION OF SERVICES

A. Service Category A – Water and Water Reclamation Facilities and Pump Station Services

The consultant shall provide professional services as requested by the County to improve, repair, expand and modify County water facilities, water reclamation facilities, pump stations, and other facilities. Linear infrastructure integral to facility operations may also be included in projects in this category.

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This effort will include, but not be limited to, project scope development, review of records, research of design criteria and investigation of materials, construction methods and equipment, and other necessary functions related to the specific project; coordination of reports in written and graphic form; preparation of Opinion of Probable Construction Cost (OPCC) using AACE Class 1, 2, 3, 4 standard; Design Development Services; Basis of Design reports; instrumentation and control design and support services;

standard operating procedures for input into Gwinnett County GCDWR’s Electronic O&M platform;

preparation of a summary for the Basis of Design report; preparation of construction contract documents suitable for bid conforming to applicable Federal or State regulations and Gwinnett County ordinances;

and bid phase services including bid advertisement, bidders pre-qualifications, response to questions from suppliers, manufacturers, and potential bidders, preparation of addendum and conformed documents, preparation of agenda and meeting minutes, bid tabulation, and recommendation for award of contract and permitting.

The consultant will perform surveys as requested by the County in support of the design of water, water reclamation and pump station facilities under this contract and as otherwise required for the operation of these systems. These surveys may include cadastral surveys, topographical surveys, engineering surveys, hydrographic surveys, boundary surveys, seismic refraction surveys, as-built surveys, surveys for definition of easement areas – both existing and proposed, and construction surveys for line and grade of proposed pipelines.

The Consultant may perform subsurface investigation and related tasks in obtaining applicable underground utility information and data required under this service category. These include:

investigations to be performed throughout Gwinnett County on an as-needed and as-requested basis;

provide subsurface utility designating and reporting; provide all engineering services in identifying and evaluating features and properties of unknown underground utilities and other subsurface facilities;

provide engineering report of findings; provide subsurface utility location coordination and reporting;

provide all engineering services in determining horizontal and vertical alignments of underground utilities;

and provide engineering report of findings.

Additional services provided may include, but are not limited to, professional opinions and filing survey documents with the appropriate departments/agencies. Survey services shall be offered with billing rates to address conventional services as well as survey grade versus mapping grade GPS services.

Construction management services and Engineering Services during construction will include, but not be limited to, project scope development; provision of administrative management and/or management assistance throughout construction; review and monitoring of construction schedules provided by successful bidders; construction monitoring for adherence to the contract documents; review of contractor’s shop drawings and submittals; conducting warranty inspections of all construction based on contract documents; as-built and record drawing document development and monitoring; pay application review and approval; inspection and verification of stored materials; review of RFI’s, RFP’s, FO’s and change orders; review and management of punch list items; development and submission of asset management reports; coordination of start-up, training, and commissioning; review and approval of O&M manuals; and observation of construction to ensure contract compliance.

The consultant may be asked to provide immediate professional services in response to an emergent or urgent need as requested by the County, on an as-needed basis when required. This effort may include, but not be limited to, Conceptual Design; Basis of Design; Detailed Design; preparation of construction contract documents suitable for bid conforming to applicable Federal or State regulations and Gwinnett County ordinances; and bid phase services including bid advertisement, bidders’ pre-qualifications, response to questions from suppliers, manufacturers, and potential bidders, preparation of agenda and meeting minutes, bid tabulation, and recommendation for award of contract and/or permitting.

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The consultant may provide services to assist the County in complying with Federal, State and/or local environmental policies and environmental science issues. The consultant may provide miscellaneous environmental services including, but not limited to, permit compliance submittals to Federal, State and/or local regulatory agencies, project scope development, biological assessments including modeling, water quality impact evaluations, wetland determinations, threatened and endangered species assessments, cultural and archaeological assessments, land management, light and sound attenuation reports, air quality monitoring and reporting, dredge and fill permitting and disposal, NPDES permitting, stormwater pollution prevention plans, monitoring reports, mitigation design and mitigation construction management, stream buffer and trout stream issues. Efforts could include data collection, impact assessments, alternative evaluations, report preparation, agency coordination, wetland design, plans and specifications, bidding support, environmental policy and planning documents, permit application preparation and submittal, and public involvement.

Associated services may include review of reports, design and related work performed by others, including, but not limited to, value engineering, bid ability, and constructability reviews.

The Consultant may be required to develop draft communications for customers, residents, the media and other departments, working closely with the County. Services to be provided may include participation in site visits and public meetings; providing draft press releases; development of presentations; development of facility brochures; and writing articles for newsletters or developing award applications.

The Consultant may perform evaluations of treatment processes, equipment and facilities, and may provide engineering opinions regarding optimization and re-design of plant operations, equipment and facilities. This includes services such as conducting water/water reclamation related research, BioWin Model development, chemical and microbial analysis of water/wastewater quality, characterization, treatability, and contaminant mitigation; water/ water reclamation facility process evaluations, including new/innovative treatment techniques, efficacy studies, regulatory compliance, and permit validations;

sludge/residuals studies, including both water plant and water reclamation facility residuals; hydraulic models of water treatment facilities, water reclamation treatment facilities and pump stations;

environmental hygiene studies; environmental safety investigations; chemical kinetics studies to determine formation potentials of disinfection byproducts and other contaminants. Deliverables will include written research reports, design recommendations and guidelines, Standard Operating Procedure manuals, position statements, white papers, and statements of opinion concerning potential outcomes of various actions. Results may be presented in the form of papers at technical conferences and published in related technical journals.

Work may include presentation support, professional development and Gwinnett County employee training and any additional services meeting the intent of this category. Work also may include any other additional services not mentioned which could reasonably be expected to be provided under this Service Category.

Types of Projects Expected:

• Water/Water Reclamation facility hydraulic modeling and analysis

• Water/Water Reclamation process unit operation performance evaluation, analysis and optimization including: screening, grit removal, primary and secondary clarification, biological processes, solids separation and handling, chemical feed systems, disinfection (UV, Ozone, chemical), pump systems and process mechanical equipment evaluation (blowers, boilers, pumps, fans)

• Regional pump station condition assessment, evaluation and rehabilitation

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• Pressure management initiatives for water distribution including pumping, storage and system monitoring and control

B. Service Category B – Water Line, Sewer Line and Reuse Water Line Services The Consultant shall provide design services as requested by the County to assess, improve, repair, extend and modify the County sanitary sewer collection system, water distribution and transmission system, reuse water line system, pumping and lift stations, and other components of the water, sanitary sewer, and reuse water line systems.

This effort will include, but not be limited to, project scope development, review of records, research and development of design criteria and investigation of materials, construction methods, and other necessary functions related to the specific project; coordination of reports in written and graphic form; preparation of Opinion of Probable Construction Cost (OPCC) using AACE Class 1, 2, 3, 4 standards ; Design Development Services; Basis of Design reports; instrumentation and control design and support services;

preparation of a summary for the Basis of Design report; preparation of construction contract documents suitable for bid conforming to applicable Federal or State regulations and Gwinnett County ordinances;

and bid phase services including bid advertisement, bidders pre-qualifications, response to questions from suppliers, manufacturers, and potential bidders, preparation of agenda and meeting minutes, bid tabulation, and recommendation for award of contract and permitting.

The Consultant will perform surveys as requested by the County in support of the design of water, sewer and departmental facilities under this contract and as otherwise required for the operation of these systems. These surveys may include cadastral surveys, topographical surveys, engineering surveys, hydrographic surveys, boundary surveys, seismic refraction surveys, as-built surveys, surveys for definition of easement areas – both existing and proposed, and construction surveys for line and grade of proposed pipelines.

The Consultant may perform subsurface investigation and related tasks in obtaining applicable underground utility information and data required under this service category. These include:

investigations to be performed throughout Gwinnett County on an as-needed and as-requested basis;

provide subsurface utility designating and reporting; provide all engineering services in identifying and evaluating features and properties of unknown underground utilities and other subsurface facilities;

provide engineering report of findings; provide subsurface utility location coordination and reporting;

provide all engineering services in determining horizontal and vertical alignments of underground utilities;

and provide engineering report of findings.. Subsurface Utility Engineering (SUE) investigations are limited to Quality Levels B, C, and D only as defined in CI/ASCE 38-02 Standard Guideline for the Collection and Depiction of Existing Subsurface Utility Data.

Additional services provided may include, but are not limited to, professional opinions and filing survey documents with the appropriate departments/agencies. Survey services shall be offered with billing rates to address conventional services as well as survey grade versus mapping grade GPS services.

Construction management services will include, but not be limited to, project scope development, provision of administrative management and/or management assistance throughout construction;

review and monitoring of construction schedules provided by successful bidders; construction monitoring; review of contractor’s shop drawings and submittals; conducting warranty inspections of all construction based on approved specifications; as-built development and monitoring; pay application review and approval; inspection and verification of stored materials; arrangement of groundbreaking ceremonies; review of RFI’s, RFP’s, FO’s and change orders; review and management of punchlist items;

RP016-26 Page 9 development and submission of asset management reports; coordination of start-up and training; review and approval of O&M manuals; and observation of construction to ensure design compliance.

The Consultant may provide services to assist in complying with Federal, State and/or local environmental policies and environmental science issues. The consultant may provide miscellaneous environmental services including, but not limited to, project scope development, biological assessments, water quality impact evaluations, wetland determinations, threatened and endangered species assessments, cultural and archaeological assessments, land management, noise reports, air quality reports, dredge and fill permitting, NPDES permitting, stormwater pollution prevention plans, monitoring reports, mitigation design and mitigation construction management, stream buffer and trout stream issues. Efforts could include data collection, impact assessments, alternative evaluations, report preparation, agency coordination, wetland design, plans and specifications, bidding support, environmental policy and planning documents, permit application preparation and submittal and public involvement.

Associated services may include review of reports, design and related work performed by others, including but not limited to, value engineering, bid ability, and constructability reviews.

The Consultant may be required to develop draft communications for customers, residents, the media and other departments, working closely with the County. Services to be provided may include participation in site visits and public meetings; providing draft press releases; development of presentations; development of facility brochures; and writing articles for newsletters or developing award applications.

Work may include presentation support, professional development and Gwinnett County employee training and any additional services meeting the intent of this category. Work also may include any other services not mentioned which could reasonably be expected to be provided under this Service Category.

Types of Projects Expected:

• Gravity Sanitary Sewer Collection Mains and Interceptors

• Sanitary Sewer Force Mains

• Potable Water Distribution and Service Mains

• Potable Water Transmission Mains

• Pressure Zone Enhancements

• Utility Coordination with State and County DOT Projects

C. Service Category C - Watershed and Stormwater Infrastructure Services

The consultant shall provide professional services for the implementation of stormwater infrastructure and/or watershed improvements projects.

1. Watershed Improvement Program

The consultant will provide services as requested by the County to implement the County’s Watershed Improvement Program. Tasks performed within this category fall into two major categories: Project Implementation and Programmatic include, but not be limited to project identification and prioritization, hydraulic and hydrologic modeling, conceptual planning, survey including utility location, detailed design, permitting, preparation of bid documents bid phase support and construction management and administration support. , and inspections. These tasks will be performed on watershed improvement projects to include green infrastructure and other stormwater BMPs, stream restoration/rehabilitation employing natural channel design techniques, wetland

RP016-26 Page 10 restoration/rehabilitation, stormwater infrastructure, and mitigation banks. Monitoring services are also included in this category, comprised of biological assessments (fish, macroinvertebrate, habitat, etc.), erosion assessment, water quality sampling and Best Management Practices (BMPs) performance determination. Additional services provided may include, but are not limited to, public education and outreach support, landscape and planting plans, operations and maintenance plans and training, watershed studies, dashboard development, professional opinions, plan review, bid phase services, value engineering and constructability reviews.

2. Stormwater Conveyance System The consultant may provide design services as requested by the County to repair and/or modify the County’s network of drainage pipes and other conveyances. These services could include, but are not limited to, project scope development, culvert design, piped drainage system design, survey, stormwater Best Management Practices (BMP) design, open channel design, , permitting, hydrologic and hydraulic analysis, no-rise certifications, Federal Emergency Management Agency (FEMA) map revision submittal and approval, cost estimation, construction document preparation, preparation of bid documents, bid phase support and construction management and administration support..

Additional services provided may include, but are not limited to, utility coordination, traffic control plans, professional opinions, plan review, value engineering, and constructability reviews.

This category will also be utilized to maintain, update and refine the County’s stormwater infrastructure (SWMM) and floodplain (HEC-RAS) models as needed. This may include, but is not limited to, incorporating land use and infrastructure updates related to development and redevelopment and design storm updates. Also included are maintenance and update of the GIS and cost databases supporting the modeling and project scoping cost tool. This effort will include project scope development, review of records, research, field work as required to update and add GIS inventory, pipe level of service determination and development of system upgrade scenarios to meet the desired level of service. Other tasks may include stormwater infrastructure master planning, floodplain and floodway determination and analysis, predictive flood mapping, flood risk modeling, hydrologic and hydraulic analysis, floodplain and floodway mapping, FEMA map revision submittal and approval, flood study review, general support of Gwinnett County’s flood study program, dashboard development, professional opinions and cooperating with the legal department, appraisers and other design consultants. Tasks assigned may also include monitoring culverts for model validation/calibration, to include installation and maintenance of temporary monitoring equipment as needed.

3. Regulatory Support The consultant may provide MS4 Permit Program support. This could include public education and outreach, administration support, monitoring, inspections, literature searches, illicit discharge investigations, ordinance reviews, coordination with other internal/external workgroups for MS4 related activities, inspection and maintenance training, and other assistance in complying with MS4-related environmental regulations and policies.

The consultant may aid reviewing as-built hydrology reports and as-built surveys for stormwater BMPs, variances, and encroachments on an as needed basis to confirm stormwater infrastructure and BMPs are constructed in conformance with the authorized design plans and hydrology study.

Variances will be reviewed to confirm that installation will not adversely impact the safe operation and maintenance of the stormwater infrastructure.

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The consultant may provide services to assist in complying with Federal, State or local environmental regulations and policies. The consultant may provide miscellaneous environmental services including, but not limited to, project scope development, biological assessments, water quality impact evaluations, wetland determinations and delineations, threatened and endangered species assessments, cultural and archaeological assessments, land management, dredge and fill permitting, noise reports, air quality reports, NPDES permitting, stormwater pollution prevention plans, monitoring reports, and mitigation bank monitoring.

4. General Services

The consultant will perform surveys as requested by the County in support of the design of stormwater infrastructure and watershed improvement projects. These surveys may include cadastral surveys, topographical surveys, engineering surveys, hydrographic surveys, geomorphic surveys, boundary surveys, as-built surveys, surveys for definition of existing and proposed easement areas and construction surveys for line and grade of proposed pipelines. Additional services provided may include, but are not limited to, professional opinions and filing survey documents with the appropriate departments/agencies.

The consultant may perform subsurface record investigation and related tasks to obtain applicable underground utility information for project development under this category. Services to be performed include, but are not limited to, subsurface utility investigations, identifying and evaluating underground utilities/facilities, determining horizontal and vertical alignments of underground utilities and providing engineering report of findings.

The Consultant may be required to develop draft communications for customers, residents, the media and other departments, working closely with the County. Services to be provided may include participation in site visits and public meetings; providing draft press releases; development of presentations; development of facility brochures; and writing articles for newsletters or developing award applications.

The consultant may provide specialized construction management services relevant to the project types under this service category. These services will include, but not be limited to, project scope development, provision of administrative management and/or management assistance throughout construction; review and monitoring of construction schedules ; QA/QC construction monitoring;

review of contractor’s shop drawings and submittals; conducting warranty inspections ; as-built development; pay application review and approval; inspection and verification of stored materials;

arrangement of groundbreaking ceremonies; review of RFI’s, RFP’s, FO’s and change orders; review and management of punchlist items; development and submission of asset management reports; ;

observation of construction to ensure design compliance; and any additional services meeting the intent of this category.

Work also may include any other additional services not mentioned which could reasonably be expected to be provided under this Service Category.

Typical Projects Include

• Project Identification and Scoping

• Stormwater Drainage System Rehabilitation and Designs

• Watershed Improvement Project Designs

• Stormwater Hydrologic and Hydraulic Analysis and Modeling

• Watershed Assessment/Prioritization

• Mitigation Bank Monitoring/Reporting

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• Water Quality/Source Assessments

• Monitoring Plans

• Operations and Maintenance Manuals

• Public Outreach/Education

• MS4 Program Support

• Hydrologic/Hydraulic Modeling

• Flood Studies

• Local/State/Federal Permitting Support

• Plan/As-built Review

• Stormwater Utility Support

D. Service Category D – Dam Services The consultant shall provide professional services to assist in the operation, maintenance and repair of county-maintained dams. Tasks performed within this category include, but are not limited to, dam inspections, project evaluation and scoping, hydraulic and hydrologic modeling, breach modeling, dam, spillway and lake level monitoring, dashboard development, design, permitting, preparation of bid documents, bid phase support, construction management and administration support, monitoring and inspections, public education and outreach. Additional services provided may include, but are not limited to, professional opinions, emergency inspections/guidance, plan review, value engineering and constructability reviews.

The consultant will perform surveys as requested by the County in support of the design of dam projects.

These surveys may include cadastral surveys, topographical surveys, engineering surveys, hydrographic surveys, geomorphic surveys, boundary surveys, as-built surveys, surveys for definition of existing and proposed easement areas, and construction surveys for line and grade of proposed works.

Additional services provided may include, but are not limited to, professional opinions and filing survey documents with the appropriate departments/agencies.

The Consultant may provide specialized construction management services relevant to the project types under this service category. Services which will include, but not be limited to, project scope development, provision of administrative management and/or management assistance throughout construction;

review and monitoring of construction schedules ; QA/QC construction monitoring; review of contractor’s shop drawings and submittals; conducting warranty inspections ; as-built development and monitoring;

pay application review and approval; inspection and verification of stored materials; arrangement of groundbreaking ceremonies; review of RFI’s, RFP’s, FO’s and change orders; review and management of punch list items; development and submission of asset management reports;; observation of construction to ensure design compliance; and any additional services meeting the intent of this category.

The consultant may provide services to assist in complying with Federal, State or local environmental regulations and policies. The consultant could provide miscellaneous environmental services including, but not limited to, project scope development, biological assessments, water quality impact evaluations, wetland determinations and delineations, threatened and endangered species assessments, cultural and archaeological assessments, land management, dredge and fill permitting, NPDES permitting, stormwater pollution prevention plans, monitoring reports, and mitigation design.

The Consultant may be required to develop draft communications products for customers, residents, the media and other departments, working closely with the County. Services to be provided may include

RP016-26 Page 13 providing draft press releases; development of presentations; development of facility brochures;

gathering or writing articles for newsletters; and/or participation in facility tours and public meetings.

Work also may include any other additional services not mentioned which could reasonably be expected to be provided under this Service Category.

• Dam Inspections Visual Inspection Reports per Georgia Safe Dams Program (GSDP) guidelines Quarterly inspections per GSDP guidelines Biennial Engineer of Record inspections per GSDP guidelines On-call emergency inspections

• Study/Manual Creation Emergency Action Plans Operation & Maintenance Manuals Dam Breach Studies Hydrology & Hydraulic Studies Program Scoping/Planning Studies

• Repair/Rehabilitation/Decommission Design and Construction Dam Appurtenance Repair and Replacement Seepage Analysis & Mitigation Dam Breach/Decommission Dam Maintenance

E. Service Category E – Asset Management, Data Management, Planning and Modeling Services The Consultant will perform asset management, data management, planning and/or modeling services for water, sewer, and stormwater infrastructure as requested by the County.

Asset Management Services, including:

• Asset Management Plan Support

• Criticality and Condition Assessment, Monitoring, and Support

• Capital and Maintenance Cost Planning

• Long Term Capital Forecasting

• Reliability Management and Support

• Maintenance Strategy Development

• Operation optimization

• Reporting Analysis and Business Analytics

• Performance Identification and Management

• Predictive Analytics Services

• Business Intelligence Support (BI strategy and implementation, ETL/Big Data Integration, Data quality management and workflow optimization, Data visualization and analytics, Data governance strategy and support)

Modelling services will include water distribution and sanitary sewer hydraulic modeling and process modeling services. (Note that stormwater and floodplain modeling will be performed under Category C). GCDWR currently uses Bentley WaterGEMS for its distribution system hydraulic and Autodesk InfoWorks ICM for a county-wide sanitary sewer hydraulic model. GCDWR also maintains EnviroSim BioWin models for modeling processes at water reclamation facilities. Modeling services may include, but not be limited to:

• Hydraulic modeling (sanitary sewer, water distribution)

RP016-26 Page 14 o Distribution/collection model updates and calibration o Scenario development and evaluation o Master planning modeling support o Training o Staff augmentation

• Process modeling o Scenario development and evaluation o Training o Staff augmentation

Planning services will include a range of services from localized alternatives analyses to systemwide master planning. A list of potential planning services is provided below:

• Master Plans (water distribution systems, sewer collection and conveyance systems, water reclamation facilities, water production facilities)

• Alternatives Analyses

• Business Case Evaluations

• Technology Evaluations/Pilots

• Inflow and Infiltration Studies

• Strategic, Organizational, and/or Program Planning

• Other Planning Studies

GIS Application Support, including:

• Asset data identification (GPS survey) and collection, examples may include new water meter GPS survey, survey or verification for assets located inside pump station and treatment facilities.

• Mapping of assets (examples include sewer laterals, water service lines, and stormwater infrastructure)

• Spatial or other as needed analyses and data visualization

• Web hosting services

• Custom tool development and support

• Planning and preparation for Utility Network including data health evaluation of existing infrastructure

• Upgrade and patch fixes for the ArcGIS environments for compliance with security mandates

Data Management Support, including, database administration, data collection and analysis, system support and configuration for computerized maintenance management system, content management application, water quality and operation software, flow monitoring system, development of API integration interfaces. Applications may include but not limited to the following:

• Lucity - linear assets

• Maximo - vertical assets

• Centralpoint (electronic O&M manual development)

• Hach WIMs – operations software for all plants (initially focused on water treatment facilities)

• E-Logger – electronic logbook software

• Integration of other applications (InfoWorks ICM, Laboratory Information Management

System, etc.)

• FileNet/DataCap - Water Resources digital data repository and data capture applications

• Staff augmentation

Building Information Modeling (BIM) Support:

• Framework planning and development

RP016-26 Page 15

• Implementation support

• Data collection/survey

Stormwater Billing Program Support:

• Web application enhancements and support

• Additional analysis and data visualization

F. Service Category F – Programmatic Facility Rehabilitation Management Services

1. Programmatic Facility Rehabilitation Services

The consultant shall provide professional turnkey services in the execution of programmatic facility rehabilitation services at departmental, Water Production, Water Reclamation, and pumping station facilities. This effort may include, but not be limited to, construction package scope development using County annual contracts, review of records, research of design criteria and investigation of materials, construction methods and equipment, and other necessary functions related to the specific project. The consultant may prepare probable budgetary construction cost estimates for comparison with solicited proposals from annual contractors. The consultant shall provide turnkey services for the execution of programmatic rehabilitation tasks from design, construction package development, execution, construction management, and project closeout, to include financial and operations maintenance documentation, per GCDWR Standard Operating Guidelines.

The services include provision of administrative management and/or management assistance throughout construction; review and monitoring of construction schedules provided by successful annual contractors; construction monitoring; review of contractor’s shop drawings and submittals;

conducting warranty inspections of all construction based on approved specifications; as-built and record drawing development and monitoring; permitting services and permitting coordination; pay application review and approval; inspection and verification of stored materials; arrangement of groundbreaking ceremonies; review of RFI’s, RFPs and change orders; review and management of punch list items; development and submission of fixed asset management reports; computerized maintenance management system input, coordination of start-up and training; review and approval of O&M manuals; updates to GCDWR facility Electronic O&M manual, and observation of construction to ensure compliance with specifications and Gwinnett County standards. The projects executed must follow Gwinnett County Purchasing Ordinance and Guidelines as well as standard Annual Contract management protocol. The consultant shall maintain project records and provide updates in Jira® Software and MS Project

2. Urgent and Emergency Services The consultant shall provide quick turnaround for professional services to respond to urgent (up to 1-day response) or emergency (up to 2-hour response time) projects as requested by the County, on an as-needed basis. This service will utilize existing annual contracts, sole source contracts and quick procurement methods to address critical issues.