Proposal Template

Proposal TemplateMidcontinent IndependentSystem OperatorTransmission InterconnectionProjectsJuly 12, 2021NOTE: This cover page to be removed and replacedfor RFP Respondent’s submission

Entergy MISO Transmission InterconnectionMemphis Light, Gas and Water DivisionTable of ContentsProposal Content . 3Section 1: Proposal Executive Summary . 3Section 2: Project Cost & Design . 3Section 3: Facility Design Quality . 3Section 4: Project Schedule & Implementation . 5Section 5: Experience . 7Section 6: Supplier Diversity (Additional Bonus) . 8Section 7: RFP Respondent and Proposal Participant Information . 8Attachments. 10Page 2 of 10

Entergy MISO Transmission InterconnectionProposal ContentSection 1: Proposal Executive SummaryA. Identification of Proposal ParticipantsB. General corporate background information not to exceed five (5) pages inlength.Section 2: Project Cost & DesignContractor shall provide project cost and design information as outlined below.A. Estimated Project CostBidder must complete the Proposal Template for Bid Amount and Payment Schedule Workbook.B. Project Cost Estimate Supporting InformationC. Project Cost Estimate Binding Escalation and Cost-ContainmentD. Any Proposed Project Incentives for Early DeliverySection 3: Facility Design QualityContractor shall provide the following information about their proposed design. Bidders are also requiredto include a Basis of Design Report (BODR) with their proposals establishing design, construction, andperformance specifications of all elements of the Project identifying critical path activities, materials andmethods of construction, construction sequencing and other noteworthy items necessary to complete theProject by the required scheduled completion date. A draft BODR shall be submitted with the Proposaland updated at all subsequent design deliverables throughout out the course of the Project.A. Transmission Line Civil/Structurali.Proposed Conductor Selection and line ratingsContractor shall provide the proposed conductors and any supporting analysis used in theconductor selection process. Contractor shall include proposed summer and winter line ratings,proposed emergency ratings, and estimated line losses.ii.Estimated Positive Sequence Line Impedance & Pi–Equivalent Shunt SusceptanceContractor shall provide the estimated positive line impedance and Pi-equivalent shuntsusceptance.Page 3 of 10

Entergy MISO Transmission Interconnectioniii.Galloping and Vibration ConsiderationContractor shall provide proposed conductor vibration mitigation.iv.OPGW or Communication System Provided and ConsideredContractor shall include proposed OPGW and/or fiber considered.v.Structure Types, Structure Materials, and Structure Foundations IdentifiedFor each structure type on each of the proposed lines, Contractor shall provide the followinginformation:vi. Structure Type Structure Material Davit arm/Cross Arm Material (if applicable) Foundation Type/size/depth/backfill material (if applicable) Guy wire size/quantity (if applicable) Insulator configuration and proposed insulatorsProposed Grounding ConsiderationContractor shall be required to achieve 10 ohms resistance at the base of each structure.vii.Lightning Protection and Reliability ConsiderationContractor shall indicate proposed lightning outages per 100 miles per year, along with theanalysis and approach.B. Substation Civil/Structural/Electricali.ii.iii.Initial Layout DrawingOne-Line Diagram (switching diagram)Typical Section/Elevation for the following: 500 kV ring bus 230 kV ring bus 161kV main operating bus 161 kV breaker and a half bayPage 4 of 10

Entergy MISO Transmission Interconnectioniv.v.vi.vii.viii.ix.x.Protection, Control and Communication System DiagramRelay Panel Layouts (panel front drawings including list of materials and components)Protective Relay Control Enclosure LayoutPreliminary Material ListBasis of Design Criteria for 500 kV, 230 kV, 161 kVMajor Equipment Data Sheets and Technical Requirements/CharacteristicsFacility Design Complies with all local Applicable Laws and RegulationsC. Environmental Impact of DesignD. Quality of Equipment and MaterialsSection 4: Project Schedule & ImplementationA. Project Schedulei.Project Schedule (Route, Permitting, Right of Way Acquisition, Engineering and Design,Materials, Construction Etc.)Contractor shall provide a detailed schedule with their proposal.B. Project Management Organization and Toolsi.Project Management PlanContractor shall provide a Project Management plan with their proposal.C. Route and/or Site Evaluationi.ii.iii.Substation: Site EvaluationSubstation: Siting Evaluation StudiesSubstation: Feasibility of Proposed SiteD. Right-of-Way and Land Acquisitioni.Identification of Potential Routing CorridorsPreliminary points of interconnection have been provided with the RFP documents. It is thecontractor’s responsibility to determine the final route. Contractor shall provide any proposedpreliminary routing alternatives with their response.Page 5 of 10

Entergy MISO Transmission Interconnectionii.Right-of-Way and/or Land Acquisitions IdentifiedFor each line, Contractor shall indicate the following:iii. Proposed ROW widths Number of impacted land owners Number of impacted parcelsRight-of-Way and/or Land Acquisitions PlanContractor shall provide a ROW and acquisition plan.E. Engineering and SurveyingF. Material ProcurementG. Regulatory Permittingi.Summary of Regulatory Permitting and Staff Experience ProvidedContractor shall provide a permitting matrix indicating all required permits for the project andexpected duration for obtaining each permit.Contractor shall provide documentation indicating experience with permitting within Tennessee,Arkansas, and Mississippi, along with permitting experience with Mississippi River crossings.Page 6 of 10

Entergy MISO Transmission InterconnectionSection 5: ExperienceA. DesignB. Construction Managementi.ii.Materials Procurement and Management PlanConstruction Planiii.Commissioning Planiv.Constructabilityv.Engineering and Surveying RequiredC. CommissioningD. Capital Resource and Financing Plani.ii.Description of Capital ResourcesExpected Cash Flowsiii.Schedule of Significant Expendituresiv.Capital Reservesv.vi.Credit RatingsAudited and Pro Forma Financial StatementsPage 7 of 10

Entergy MISO Transmission InterconnectionE. Specific Transmission Project Experiencei.Description of three (3) similar transmission projects that include EHV transmissionline and substation engineering, route selection, permitting, procurement,construction, and commissioning. Provide project cost performance data, adherenceto schedules, and applicable references for permitting activities. Provide Health andHuman Safety Performance Metrics for those projects including any industrystandardized ratings.ii.USACE permitting references.iii.Experience with permitting and construction in TN, MS and ARiv.Provide client references associated with the projects.F. Safetyi.ii.Site Specific Safety Considerations (construction specific)Safety Record including OSHA/DART report (construction specific)Section 6: Supplier Diversity (Additional Bonus)A. Local Firm and MBWE ParticipationSection 7: RFP Respondent and Proposal Participant InformationA. Primary Contact InformationDesignate a representative for the Proposal to be the primary contact person with MLGW and providethe requested contact information ge 8 of 10

Entergy MISO Transmission . Secondary Contact InformationDesignate a representative for the Proposal to be the secondary contact person with MLGW and provide therequested contact information condaryTelephone:MailingAddress:C. Proposal Attestations and CommitmentsD. Project Financial SecurityPage 9 of 10

Entergy MISO Transmission InterconnectionAttachmentsPage 10 of 10

Jul 12, 2021 · Section 2: Project Cost & Design Contractor shall provide project cost and design information as outlined below. A. Estimated Project Cost Bidder must complete the Proposal Template for Bid Amount and Payment Schedule Workbook. B. Project Cost Estimate Supporting Information C. Project