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B-1 A P P E N D I X B Cost and Scheduling Assumptions
Low Cost High Cost Low Timing High Timing Categorical Exclusion - Letter Format Low Project qualifies for CATEX as defined in FAA Order 1050.1F, Paragraph 5-6, and would clearly have no potential to involve extraordinary circumstances. May include minimal investigations such as construction emissions inventories or on-line research using NEPAssist or other tools. The time and effort for required investigations are addressed under Module 2. $500 $2,500 1 2 None Categorical Exclusion - Documented using FAA checklist Medium-High More extensive analysis required to confirm that the project qualifies for CATEX as defined in FAA Order 1050.1F, Paragraph 5-6. Multiple environmental investigations required to confirm that no extraordinary circumstances, as described in FAA Order 1050.1F, Paragraph 5-2 would be involved. The need for these investigations indicates the need for more detailed considerations of purpose and need, alternatives, and the affected environment portions of the document. The time and effort for required investigations are addressed under Module 2. $5,000 $15,000 4 8 None Environmental Assessment - Simple or "Focused" document Low Project does not qualify for CATEX as defined in FAA Order 1050.1F, Paragraph 5-6, but would clearly not have the potential to result in potentially significant impacts. May include minimal investigations such as construction emissions inventories or on- line research using NEPAssist or other tools to confirm the lack of potentially significant impacts. The need for these investigations indicates the need for more detailed considerations of purpose and need, alternatives, and the affected environment portions of the document. The time and effort for required investigations are addressed under Module 2. $25,000 $50,000 16 24 Agency scoping often recommended Environmental Assessment - Moderate Medium-High Project does not qualify for CATEX as defined in FAA Order 1050.1F, Paragraph 5-6 and/or could cause potentially significant impacts. Would affect multiple resources and/or require intensive investigations such as field investigations or modeling to confirm the lack of potentially significant impacts. The need for these investigations indicates the need for more detailed considerations of purpose and need, alternatives, and the affected environment portions of the document. The time and effort for required investigations are addressed under Module 2. $75,000 $300,000 24 48 Agency scoping often recommended Environmental Assessment - Complicated High-Very High Project defined in Chapter 7 of 5050.4B. Effects of the Action must be qualitatively or quantitatively described in depth. Environmental impacts are anticipated, expectations of significant impacts are not readily understood. Specialized technical analyses are required. The need for these investigations indicates the need for more detailed considerations of purpose and need, alternatives, and the affected environment portions of the document. The time and effort for required investigations are addressed under Module 2. $300,000 $500,000 48 96 Agency scoping very likely Scoping Requirements Environmental Category Technical Intensity Typical Factors Approximate Cost Approximate Duration (weeks) Appendix B Cost and Scheduling Assumptions MODULE 1. NEPA DOCUMENTATION ONLY
Environmental Category Technical Intensity Typical Factors Low Cost High Cost Short Duration (weeks) Long Duration (weeks) Agency Consultation Requirements Not Applicable $0 $0 Low Project is presumed to conform to SIP. $500 $500 0.2 0.2 None Medium Emission Inventory needed. $1,500 $50,000 1 3 Potentially High Dispersion modelling needed. $75,000 $200,000 4 32 Yes Not Applicable $0 $0 Low Project located in graded, paved, regularly maintained area or no listed species. $500 $500 1 1 None Medium Previously undeveloped, not regularly disturbed- T&E potential exists. $3,000 $15,000 4 12 Yes High Habitat present, history of T&E habitation, potential for a taking. $15,000 $30,000 8 24 Yes Very High Species taking is anticipated. $30,000 $100,000 24 24 Yes Not Applicable $0 $0 Low Project would result in a minor CO2e increase - qualitatively described. $500 $500 0.2 0.2 None Medium Inventory needed to quantify CO2e. $500 $5,000 1 1 None High Unique or in-depth evaluation of project CO2e. $5,000 $15,000 4 8 Yes None Project located outside of Coastal Zone. $500 $500 0.2 0.2 None Medium Project is minor, but located within Coastal Zone. $500 $2,000 4 12 Yes High Significant project within Coastal Zone/barrier island. $2,000 $10,000 8 24 Yes Not Applicable $0 $0 Low Qualifying property present in project vicinity but no impact anticipated. $5,000 $5,000 1 3 Yes Medium Qualifying property present, de minimis impact finding. $5,000 $10,000 4 4 Yes High Qualifying property present, full Section 4(f) statement needed. $10,000 $75,000 4 12 Yes Not Applicable $0 $0 Low No direct conversion / minimal or no impact. $500 $500 $0 $1 No Medium Conversion less than significant per AD-1006 score. $500 $2,000 $4 $8 Yes High Conversion significant per AD-1006 score. Alternatives analysis required. $2,000 $10,000 $4 $12 Yes Not Applicable $0 $0 Low No contamination present or changes in hazmat use anticipated. $500 $500 1 1 No Medium Site contamination possible/known, previous remediation activities closed, project with hazmat changes. $4,000 $7,000 4 4 Yes High Known contamination or very high potential for unknown contamination, superfund site. Significant hazmat or solid waste changes anticipated. $7,000 $20,000 8 24 Yes Not Applicable $0 $0 Low Potentially/Eligible Sites but project would result in no effects. Site is previously undisturbed and requires a Phase I archaeological survey. $1,000 $5,000 1 3 Yes Medium Informal/Formal consultation between Sponsor and SHPO indicates no adverse effects. Phase I or scoping indicates need for archaeological shovel test survey. $5,000 $10,000 4 4 Yes High Formal Section 106 consultation indicates potential for impact. Shovel testing indicates presence of archaeological resources. $10,000 $75,000 4 12 Yes Historic, Architectural, Archaeological, and Cultural Resources Biological Resources Climate Section 4(f) Farmlands Hazardous Materials, Solid Waste, and Pollution Prevention Coastal Resources MODULE 2. REQUIRED ENVIRONMENTAL ANALYSES Air Quality
Environmental Category Technical Intensity Typical Factors Low Cost High Cost Short Duration (weeks) Long Duration (weeks) Agency Consultation Requirements MODULE 2. REQUIRED ENVIRONMENTAL ANALYSES Not Applicable $0 $0 Low Land acquisition - no conflicts. $500 $5,000 1 1 Yes Medium Land owners not willing to sell. Eminent domain needed. Tax base or employment changes anticipated. $5,000 $10,000 12 24 Yes High Eminent domain needed. Owners pursue litigation. Substantial change in employment or loss of tax base anticipated. $10,000 $15,000 52 52 Yes Not Applicable $0 $0 Low Changes in energy supply use that are minor and can be described. $500 $500 1 1 No Medium Less than significant increase in resource usage that can be qualitatively or quantitatively described. $1,500 $2,500 4 4 No High Projected usage indicates natural resource shortage anticipated that requires mitigation plan. Substantial change in natural resource or energy usage that must be analyzed and quantitatively described. $2,500 $5,000 4 12 Yes Not Applicable $0 $0 Low Minor changes that can be qualitatively described. $500 $500 1 1 None Medium Area Equivalent Method needed, less than 17% increase in DNL65 contour anticipated $5,000 $15,000 4 4 None High AEDT contours with data readily available, INM conversion to AEDT, update of existing contour set. $15,000 $30,000 4 12 None Very High New AEDT analysis needed with no data available. $20,000 $20,000 4 24 None Not Applicable $0 $0 Low Minimal employment or sensitive population effects - qualitatively described. $500 $500 1 1 No Medium Employment changes. Sensitive populations affected - qualitatively described. $500 $2,000 4 12 No High Significant employment/sensitive population effects - quantitatively described. $2,000 $7,000 12 24 Community Outreach Not Applicable $0 $0 Low New sources of lighting - qualitatively described. $500 $500 1 1 No Medium Significant source of new lighting/structure in exposed viewshed - quantitatively described. $500 $2,000 1 4 No High Scenic viewshed affected. Residential land uses exposed to significant, especially annoying sources of lighting. $2,000 $10,000 4 12 Yes Not Applicable $0 $0 Low Indirect wetland or water resource effects that can be qualitatively described. $500 $2,000 1 4 Potentially Medium Wetland delineation needed. Direct <.49 acre impacts to wetlands (nationwide permit). Water resources affected and impacts quantitatively described. $2,000 $10,000 12 24 Yes High >.49 acres of wetland impacts (individual permit). Significant water impacts that must be quantitatively described and/or mitigated. $10,000 $20,000 12 52 Yes Land Use Natural Resources and Energy Supply Noise and Noise- Compatible Land Use Socioeconomics, Environmental Justice, and Children's Health and Safety Risks Visual Effects Water Resources
Not Applicable $0 $0 Low No cumulative projects or effects identified. $500 $500 0.2 0.2 None Medium Cumulative projects identified with little to no effects. $1,500 $5,000 8 12 None High Projects identified with significant cumulative effects. $5,000 $15,000 4 12 Potentially Not Applicable $0 $0 Low Project would result in insignificant increases in resource commitment that can be qualitatively described. $500 $500 1 1 None Medium Project would result in the commitment of resources that must be quantified. $1,500 $2,500 4 4 None High Project would result in a significant commitment of resources that must be mitigated. $2,500 $10,000 4 12 Potentially Technical Intensity Low Cost High Cost Low $13,000 $23,000 Medium $37,500 $150,000 High $175,000 $547,000 High/Very High $195,000 $607,000 RANGE OF TOTAL COSTS FOR DOCUMENTATION AND ANALYSES Low High CATEX Low $500 $2,500 CATEX Medium-High $18,000 $38,000 EA Low $62,500 $200,000 EA Medium-High $250,000 $847,000 EA High-Very High $495,000 $1,107,000 RANGE OF REQUIRED ENVIRONMENTAL ANALYSIS COSTS Cumulative Impacts Irreversible and Irretrievable Commitment of Resources Environmental Category Technical Intensity Typical Factors Low Cost High Cost Short Duration (weeks) Long Duration (weeks) Agency Consultation Requirements MODULE 2. REQUIRED ENVIRONMENTAL ANALYSES
