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Project site location. . Lincoln. Medway. Baskahegan Lake. . Danforth. . Packet page 79. Administrative History. DP 4756 (a-t-f in part, Dec 2006)Wind resource monitored since 2003Class 4 to 5 wind resourceZP 713 and Preliminary Development Plan for 38 turbine wind power facility (Nov 7, 2007)4,800 acre parcel rezoned to (D-PD) Planned Development Subdistrict Previously M-GN, P-SL and P-WL SubdistrictsPreliminary Plan reviewed and approvedNo development in LURC mapped P-WL Subdistricts 29833
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1. Evergreen Wind Power V, LLCStetson Wind ProjectT8 R3 NBPP and T3R4 NBPP, Washington County Final Development Plan Permit
DP 4788
3. Administrative History DP 4756 (a-t-f in part, Dec 2006)
Wind resource monitored since 2003
Class 4 to 5 wind resource
ZP 713 and Preliminary Development Plan for 38 turbine wind power facility (Nov 7, 2007)
4,800 acre parcel rezoned to (D-PD) Planned Development Subdistrict
Previously M-GN, P-SL and P-WL Subdistricts
Preliminary Plan reviewed and approved
No development in LURC mapped P-WL Subdistricts
Public hearing - August 7 and 8, 2007
Final Development Plan permit application accepted for processing on November 21, 2007 Class 4 to 5 = 7.5 m/sec = Good/Excellent on the US Dept of Energy NREL wind classification scale
Class 4 needed for a viable project Class 4 to 5 = 7.5 m/sec = Good/Excellent on the US Dept of Energy NREL wind classification scale
Class 4 needed for a viable project
4. Proposal - Turbines 38 GE 1.5 MW wind turbines
Approx. 7 miles along ridgeline
Turbine and pad dimensions
389 ft tall at tip of blade
Tower - 262 ft tall, 14.5 ft diameter at base
Turbine pads
250 ft diameter, plus 0.28 acre for fill
Includes permanent crane pad
Re-vegetated after construction except for 0.17 acre
Concrete bedrock anchor foundations
24 ft diameter concrete cap (average 5 ft deep)
Rock anchor rods 40 – 50 ft deep
Lighting plan (approved by FAA)
11 towers lit w/single, red, slow pulsing light
6. Proposal Roads
Upgraded: 3.37 miles
New: 5.9 miles
Ridgeline and spur roads - 32 ft wide surface during construction, reduced to 16 ft wide (clearing 90 to 140 ft wide during construction)
Access roads - 16 ft wide (clearing 45 ft wide)
O&M facility (3 acres cleared)
7,000 sf office/warehouse building and parking
Communication tower - 100 ft tall
Substation
Two permanent meteorological towers, 262 ft tall (2.26 acres)
1. Areas cleared along roads for construction would be re-vegetated
2. O&M building would have well and septic system
3 acres would remain permanently cleared
3. Met tower area would be re-vegetated, except as needed around base and for access
1. Areas cleared along roads for construction would be re-vegetated
2. O&M building would have well and septic system
3 acres would remain permanently cleared
3. Met tower area would be re-vegetated, except as needed around base and for access
7. Proposal – Transmission Lines Transmission lines
34.5 kV collector line along ridgeline and spur roads
Above-ground corridor 60 ft wide
Below-ground along spur roads
115 kV transmission line corridor
LURC permit includes substation, and clearing and wetland impacts in corridor (3,380 ft by 150 ft wide, except 135 ft wide through forested wetland)
MDEP reviewing 115 kV line starting at substation, wetland impacts outside D-PD Subdistrict
ACOE reviewing all wetland impacts for turbine area and entire 115 kV line Transmission line corridors would remain permanently cleared, with vegetation 3 to 4 feet high.
Status of MDEP permit review –
Status of ACOE permit review –
Status of town permits - Transmission line corridors would remain permanently cleared, with vegetation 3 to 4 feet high.
Status of MDEP permit review –
Status of ACOE permit review –
Status of town permits -
10. Proposal – Temporary activities during construction Areas to be re-vegetated after construction
Two crane assembly pads (0.56 acres)
Lay-down/equipment storage areas with office and storage trailers (15.2 acres)
Two meteorological towers – 262 ft tall (2.26 acres)
Stump disposal area (1 acre)
Gravel pits (1 on-site*, 2 off-site owned by LSI) On-site pit
may be used for road maintenance
up to 30 acres, with no more than 15 acres not in reclamation at any one time
Off-site pits – Evergreen to track the size and other aspects of these pits to assure conformance with rules On-site pit
may be used for road maintenance
up to 30 acres, with no more than 15 acres not in reclamation at any one time
Off-site pits – Evergreen to track the size and other aspects of these pits to assure conformance with rules
12. Proposal: Final Plan substantially the same as Preliminary Plan, w/changes: Area permanently cleared
21 acres, decreased from 33 acres
Roads
New - 5.9 miles, decreased from 9.74
Upgraded - 3.37 miles, decreased from 5.18
O&M building
7,000 sf, increased from 5,000 sf
Wetland alterations
24,552 sf, increased from 14,000 sf
115 kV transmission line corridor in D-PD Subdistrict
3,380 ft long, increased from 3,000 ft
No concrete production on-site Roads - Removed many spur roads
Wetlands –
Stream crossings and clearing in P-WL3 wetlands
Tier 2 wetland reviewRoads - Removed many spur roads
Wetlands –
Stream crossings and clearing in P-WL3 wetlands
Tier 2 wetland review
14. Proposal Parcel owned by Lakeville Shores, leased by Evergreen
Landowner would continue timber harvesting
Site access
Primary access point at north end – via Atlas Rd. from Rt. 169
Southern access point via Tar Ridge Rd. for light vehicles, concrete trucks at southern end, exit for some gravel trucks
Setbacks
400 ft from D-PD Subdistrict boundary (except access roads and 115 kV line)
100 ft from streams within D-PD Subdistrict
Otherwise as determined by the Commission
15. Proposal: Environmental Assessment Updated in Final Plan
Wetlands
Increased impact area (14,000 sf to 24,552 sf)
All for road crossings or clearing
Restoration of an old crossing (1,800 sf)
Noise
Ambient and post-construction monitoring
Historic report – MHPC sign-off
No changes, reviewed in Preliminary Plan
Wildlife and habitat
Bird and bat post-construction monitoring
Visual assessment
No undue adverse impact determined for ZP 713 approval
16. Proposal:Environmental Assessment Soils and phosphorus control
Soils suitable for proposed use; limitations during saturated or frozen conditions to deal with
250 ft buffer proposed along roads
Erosion and storm water control
Plans appropriate to handle runoff
Review of final acid rock management plans
Use of rock sandwich to maintain hydrology
Third-party inspection and reporting of e/s measures
Re-vegetation monitoring and reporting
Geotechnical investigation
Acidic bedrock at 22 turbine sites
To crush and re-use as fill, material must be tested, adjustments made to erosion control measures, runoff and receiving water quality tested, diversion of runoff to buffers, drainage in pads toward center, etc.
Submit final management plan w/in 30 days of permit
17. Agency Review Comments (p 27-29) State Soil Scientist
Reviewed level of soils mapping of development areas
Erosion and storm water control showing on plans dated Dec 13, 2007 should be used
Review and comment on final plan for management of runoff from acidic bedrock
MDEP
Phosphorus best handled using MDEP storm water BPMs and 250 ft buffers along roads *
Blasting plan acceptable
Management plan for runoff from acidic bedrock needed: test rock and gravel, establish baseline for stream water quality, find alternatives for crushed acidic rock
Phosphorus comment during Preliminary Plan review, no additional comments on final
Applicant met with Dave Rocque and Mark Stebbins about acid rock, also with Dave about soilsPhosphorus comment during Preliminary Plan review, no additional comments on final
Applicant met with Dave Rocque and Mark Stebbins about acid rock, also with Dave about soils
18. Agency Review Comments (p 27-29) MDIFW
Reviewed Preliminary Plan, no additional comments on Final Plan
Recommended post-construction bird and bat monitoring in consultation w/MDIFW
MHPC
Reviewed archaeological and historic surveys
No impact to archaeological or historic resources
MDOT
In respect to transportation of turbines to site
In general, all permits for transportation of equipment to the site must be obtained
DHHS/DHE
Reviewed septic system design No comments from Intervening or Interested Parties, one comment from a member of the public about noise standardsNo comments from Intervening or Interested Parties, one comment from a member of the public about noise standards
19. Review Criteria and Conclusions Conclusion #1 - 12 M.R.S.A., § 685,B(4);
Criteria for approval of development (p. 29)
Technical and financial capacity
Circulation of traffic in, on, and from the site; will not cause congestion or unsafe conditions
Harmonious fit and no undue adverse impact
Will not cause unreasonable soil erosion & suitable soils available for septic system
In conformance with Chapter 206-A
Evidence of economic benefits and impact on energy resources may be provided by the applicant Meets statutory review criteria
Discussed under individual standards and/or conclusions already made during Preliminary Plan (i.e. regarding no undue adverse impact)Meets statutory review criteria
Discussed under individual standards and/or conclusions already made during Preliminary Plan (i.e. regarding no undue adverse impact)
20. Review Criteria and Conclusions: Conclusion #2 - D-PD Subdistrict Rules, §10.21,G (p. 30)
10.21,G,2 – 400 ft setback from D-PD boundary
10.21,G,8,c(3) – Submit Final Plan w/in 18 months of D-PD approval
10.21,G,10,a – Required submittals for Final Development Plan
Complies with conditions of Preliminary Plan
In substantial compliance with Preliminary Plan
Required 400 ft setback would be met
All required exhibits submittedRequired 400 ft setback would be met
All required exhibits submitted
21. Review Criteria and Conclusions: Conclusion #3 - §10.25: [All permitted activities must meet these standards] (p. 30/31)
Technical and financial capacity
Vehicle circulation, access, and parking
Scenic character, natural and historic features
Noise and lighting
1. Technical and financial capacity – Reviewed in Preliminary; use of standby letter of credit proposed for decommissioning
Traffic – Parking areas and site distance provided for; transport of turbines to site is GE’s responsibility; MDOT reviewed
Scenic character – Reviewed in Preliminary Plan - concluded no undue adverse impact, and consistent with 10.25,E,1 – ridgeline low, rolling, partially masked or only visible at a distance, often not visible at all
Natural features – MNAP & MDIFW review, no undue adverse impact, in Preliminary Plan – no listed species of communities directly affected
Historic features – no impact, per MHPC review
Noise in D-PD as determined by the Commission – Proposed MGN standards 55 dBA during operation and night construction
Daytime construction exempt; monitoring of noise proposed
Lighting – turbines per FAA approved plan, minimized; during construction nighttime lighting used only when needed to construct turbines when weather conditions require it, limited to two turbines at once; during operation on-site lighting would meet LURC standards
1. Technical and financial capacity – Reviewed in Preliminary; use of standby letter of credit proposed for decommissioning
Traffic – Parking areas and site distance provided for; transport of turbines to site is GE’s responsibility; MDOT reviewed
Scenic character – Reviewed in Preliminary Plan - concluded no undue adverse impact, and consistent with 10.25,E,1 – ridgeline low, rolling, partially masked or only visible at a distance, often not visible at all
Natural features – MNAP & MDIFW review, no undue adverse impact, in Preliminary Plan – no listed species of communities directly affected
Historic features – no impact, per MHPC review
Noise in D-PD as determined by the Commission – Proposed MGN standards 55 dBA during operation and night construction
Daytime construction exempt; monitoring of noise proposed
Lighting – turbines per FAA approved plan, minimized; during construction nighttime lighting used only when needed to construct turbines when weather conditions require it, limited to two turbines at once; during operation on-site lighting would meet LURC standards
22. Review Criteria and Conclusions: Conclusion #3 - §10.25: [All permitted activities must meet these standards] (p. 34) Soil suitability
Solid waste disposal
Subsurface wastewater disposal
Phosphorus control
Erosion and sedimentation control
Wetland alterations 1. Soils suitable - SSS reviewed and discussed with applicant; project designed to avoid areas of sensitive soils
2. Solid waste disposal – Stump dumps and bury stumps on-site
3. Subsurface waster water disposal – system design approved
4. Phosphorus control – MDEP recommended 250 ft buffer along roads and using MDEP’s BMPs
5. E/S Plan generally acceptable, uses rock sandwich; third-party inspection program proposed
Concern remains for handling acid rock drainage, plan proposed, work in progress – management plan being prepared
6. Wetlands – Meet standards for Tier 2 review, no compensation need – most alterations clearing or crossings
1. Soils suitable - SSS reviewed and discussed with applicant; project designed to avoid areas of sensitive soils
2. Solid waste disposal – Stump dumps and bury stumps on-site
3. Subsurface waster water disposal – system design approved
4. Phosphorus control – MDEP recommended 250 ft buffer along roads and using MDEP’s BMPs
5. E/S Plan generally acceptable, uses rock sandwich; third-party inspection program proposed
Concern remains for handling acid rock drainage, plan proposed, work in progress – management plan being prepared
6. Wetlands – Meet standards for Tier 2 review, no compensation need – most alterations clearing or crossings
23. Review Criteria and Conclusions: Conclusion #4: §10.26 - Minimum dimensional requirements (p. 37) 10.26,F – Maximum building height may exceed 100 ft for structures with no floor area (spires, towers, etc)
10.26,G – Except for shoreline setbacks, dimensional requirements in D-PD Subdistricts are set by the Commission Project meets shoreline setbacks –
100 ft from streams and P-WL1s
50 ft road setback for structuresProject meets shoreline setbacks –
100 ft from streams and P-WL1s
50 ft road setback for structures
24. Review Criteria and Conclusions: Conclusion #5: §10.27 – [Standards for activities not requiring a permit; may be exceeded with a permit] (p. 38)
Clearing
Mineral extraction
Roads and water crossings
Filling and grading
Signs
Clearing –
No clearing in P-SL2s except for crossings – 75 ft wide vegetated buffer and 100 ft setback; most of area would be re-vegetated
Clearing in P-WLs as determined under the wetland review
2. Mineral extraction – pit on site would be limited to size in M-GN rules and meets setbacks; tested to determine if it is acidic; applicant would track off-site pits sizes to assure compliance
3. Roads and water crossings – use of rock sandwich provided for in LURC’s rules for wetland crossings; replacing existing culverts, road slope maximum 14%; shoulders 2:1; permanent road 16 ft wide
4. Filling and grading – set back at least 100 ft from all streams, filling and grading areas mostly 0-10% slope; all disturbed soils will be stabilized >> filling would be within 250 ft of a wetland delineated on the ground by the applicant, but not within 250 ft of a LURC mapped wetland.
5. Directional signs – Condition says no more than 4 sf if visible from public road, no more than 12 sf if not visible form roadway Clearing –
No clearing in P-SL2s except for crossings – 75 ft wide vegetated buffer and 100 ft setback; most of area would be re-vegetated
Clearing in P-WLs as determined under the wetland review
2. Mineral extraction – pit on site would be limited to size in M-GN rules and meets setbacks; tested to determine if it is acidic; applicant would track off-site pits sizes to assure compliance
3. Roads and water crossings – use of rock sandwich provided for in LURC’s rules for wetland crossings; replacing existing culverts, road slope maximum 14%; shoulders 2:1; permanent road 16 ft wide
4. Filling and grading – set back at least 100 ft from all streams, filling and grading areas mostly 0-10% slope; all disturbed soils will be stabilized >> filling would be within 250 ft of a wetland delineated on the ground by the applicant, but not within 250 ft of a LURC mapped wetland.
5. Directional signs – Condition says no more than 4 sf if visible from public road, no more than 12 sf if not visible form roadway
25. Review Criteria and Conclusions: Conclusion #6: Post-construction monitoring and reporting (p. 40) Contribution to state energy policy for 2 years
Re-vegetation monitoring
Until 85% coverage achieved
Re-assess site condition after 85% cover achieved *
Changes to plan must be reviewed and approved
Bird and bat monitoring
As proposed in Preliminary Plan, per MDIFW’s recommendations
Report annually, re-assess after three years
Erosion/sedimentation control
Third-party monitoring
Keep inspection reports on site for three years *
Re-vegetation – Applicant requested deleting req. to re-assess once 85% cover achieved
E/S plan – conditions should have included report annually
Re-vegetation – Applicant requested deleting req. to re-assess once 85% cover achieved
E/S plan – conditions should have included report annually
26. Review Criteria and Conclusions: Conclusion #7: (p. 41) Final SPCC Plan must be submitted
December 13, 2007 engineered plans are the approved version
Approach to provisions for decommissioning plan is appropriate, given the time period until the need for such a plan would be determined.
Maintenance of project roads are the responsibility of the applicant; lease agreement provides legal right to do this work
Blasting Plan acceptable (meets State law requirements)
27. Staff Recommendation Staff recommends approval of Final Development Plan Permit DP 4788 for the 38 turbine Stetson Wind Project, with the following conditions:
Condition #1 (p.42)
Only uses approved in the Final Plan allowed
Uses allowed w/out a permit in M-GN, P-WL, and
P-SL continued
Must meet standards in 10.25 to 10.27, except as provided herein
Condition #2 (p. 43) – Permittee responsible for all proposals made in consultation with State agencies
28. Conditions (p. 43) #3 – Report contribution to State policies*
#4 - Setbacks
400 ft from D-PD boundaries
50 feet from traveled surface of roads
100 feet from streams and P-WL1 wetlands
#5 - Traffic flow
Provide for safe traffic conditions and prevent congestion of vehicles leaving and entering the site (site distance, directional signs)
Use southern access only for light vehicles, concrete trucks serving southern end, and as exit for gravel trucks As requested by the Commissioners, and as conditioned in Preliminary PlanAs requested by the Commissioners, and as conditioned in Preliminary Plan
29. Conditions (p. 43) #6 - Noise
Limits at D-PD Subdistrict boundary
55 dBA during operation
55 dBA during construction - 7 pm to 7 am*
Monitor ambient sound, sound during construction, and sound during operation
Report
Bi-monthly during construction
Quarterly during first year of operation, propose remedial measures if needed Condition #6 should read 55 dBA at night (7 pm to 7 am)
Daytime construction noise exempt from standards Condition #6 should read 55 dBA at night (7 pm to 7 am)
Daytime construction noise exempt from standards
30. Conditions (p. 44) #7 - Lighting
Turbines - FAA approved plan
O&M lighting in accordance with 10.27,F,2
Nighttime lighting during construction limited
#8 - Erosion and storm water control
250 ft wide buffer along roads
Third-party site inspection and reporting
Use of “rock sandwich” road design
Frozen or saturated conditions - as recommended by SSS and geotechnical report
Final Plan to handle acid rock drainage 30 days from issue date of permit *
#9 - Solid waste disposal
Stump use and disposal
Wash-down of concrete trucks Dave Rocque submitted comments on Dec 28, after reviewing staff recommendation – not comfortable with issuing permit before acid rock management plan submitted and approved
Dec 28 – draft management plan submitted, Dave Rocque reviewed and commented on Dec 31Dave Rocque submitted comments on Dec 28, after reviewing staff recommendation – not comfortable with issuing permit before acid rock management plan submitted and approved
Dec 28 – draft management plan submitted, Dave Rocque reviewed and commented on Dec 31
31. Conditions (p. 45) #10 - Mineral excavation
Track off-site gravel pits
Use of on-site pit after construction for road maintenance
Size limit per M-GN Subdistrict rules
#11 - Wetlands
P-WL1 impacts for road crossings of streams
Up to 25,000 sf of P-WL3 forested wetland impacts approved
Additional impacts reviewed cumulatively, and in accordance with §10.21,G,10,c and §10.25,P
Maintain 250 ft buffer around vernal pool, except that road may be 150 ft from pool
32. Conditions (p. 46) #12 - Environmental monitoring and reporting
Re-vegetation: Report bi-annually 1st year; must have 85% cover and if not, remedial measures taken
Bird and bat monitoring: Report annually; propose remedial measures if needed; re-assess after 3 years to determine is level of monitoring should change
Erosion and storm water control: Third party inspection and reporting; keep on–site for three years * * This condition should have also included annual summary reporting to LURC
* This condition should have also included annual summary reporting to LURC
33. Conditions (p. 46) #13 – Decommissioning
If project ceases to operate
Notify LURC within 60 days
Submit detailed schedule and plan, per June 2007 plan
Year one - By Dec 31, secure irrevocable stand by letter of credit for $76,000
Years 2 through 7 - Add $76,000 annually
Year 7 – Total amount at least $650,000
Years 8 to 14 – Increase amount to ensure costs will be covered
Submit report annually to Commission
Year 15 - Secure letter of credit in full amount needed
#14 – Miscellaneous conditions
Septic system in location in HHE-200
Obtain Certificate of Inspection from LPI
Submit Final Spill Prevention Control and Countermeasures Plan for O&M facility
Directional sign size limitations in accordance with 10.27,J
#14 – Miscellaneous conditions
Septic system in location in HHE-200
Obtain Certificate of Inspection from LPI
Submit Final Spill Prevention Control and Countermeasures Plan for O&M facility
Directional sign size limitations in accordance with 10.27,J
34. Staff Recommendation Staff recommends approval of Final Development Plan Permit DP 4788 for the Stetson Wind Project, as conditioned.
37. Staff - Edits and Corrections Add
Cond.#12,C - Third party E/S inspection - “and submit annual E/S report to Commission”
Bird diverters on guy wires not in conditions, but should have been
Change
Appendix A, page 53, #(9)(a) - Change O&M building size from 70 ft x 1,000 ft to 70 ft x 100 ft
p. 16, reference to FOF #41 should be FOF #40.
38. Applicant requested eidtis/changes FOF #23,A & Concl. #4,B - Turbine base 14.5 ft diameter, not 13.5 ft
FOF #31 - Change “blade” to “rotor”
FOFs #35 & #37 - Change “J.W. Sewall to “Contractor”
FOFs #35 & #36 - Add language to clarify E/S measures
Concl. #3,D(2)(a) & Cond. #7,B - Specify “incandescent over 160 watts” *
Concl. #3,F – Add “or licensed hauler”
Cond. #8,A – Add “project” before “roads”
Cond. #11 – Add “not otherwise authorized herein” (forestry?)
Cond. #12 – Delete language about re-assessing after 85% cover since 85% is threshold for calling cover achieved
Cond. #14 – Delete MDOT (too many permits)
O&M building lighting must be in accordance with 10.25,F,2
O&M building lighting must be in accordance with 10.25,F,2
39. Applicant requested edits/changes
Noise limit of 55 dBA – Designate “day” and “night” to clarify
Change to condition to say 55 dBA at night during construction; corresponding conclusion says this
FOF #38,C; Concl. #3,D,(1); Cond. #6
“Commission review and approval” to “staff review and approval” for acid rock management plan and third party inspection
FOF#37; Concl. #3,I(3); Cond. 8,B & E
Alternative language for bird monitoring condition
Concl. #6,C & Cond. #12,B
Delete monitoring of sound during construction
Concl. #3,D(1)(c) and Cond. #6,B & C
Change language about decommissioning financing
FOF #15 & Conds. #13,B and #13,D Noise limit - 55 dBA during daytime during operation
55 dBA during construction at night
daytime construction noise exempt from 10.25,F,1 standards
Decommissioning – FOF 15 & Cond 13,B – change “minus” to “taking into account” – ok
Cond. 13,D – delete last sentence after $650,000 - discussNoise limit - 55 dBA during daytime during operation
55 dBA during construction at night
daytime construction noise exempt from 10.25,F,1 standards
Decommissioning – FOF 15 & Cond 13,B – change “minus” to “taking into account” – ok
Cond. 13,D – delete last sentence after $650,000 - discuss