20240823PAC to Bayer 55 Attachment - A2.Aeolus500kv.Initial.Baseline.pdf

A2 - Aeolus 500 kV Full Detail Schedule
Activity ID Activity Name Original Total Float Start Finish Predecessc Successors 2023 2024 2025
Duration ar I Apr I May Jun Jul Aug Sep Oct Nov Dec I Jan Feb Mar Apr May Jun I Jul Aug Sep Oct Nov Dec Jan Feb
Project Major Milestones 494 0 09/22/22A 08/13/24
Project Major Milestones(Construction) Ex G.1.1,IM& 494 _1111— 0 09/22/22A 08/13/24
MS.SI.CON- Contract Effective Start Date 0 09/22/22A MS.SI.CN;
MS.SI.CNSI Site Milestone-[1]Construction Start 0 11/03/22 A MS.SI.C1 MS.SI.ME( ruction 3tart
MS.SI.FND.: Site Milestone-[6]Foundation Start 0 03/20/23 A MS.SI.C1 MS.SI.FNE a Site Milestone-[6]Foundation Start
MS.SI.DE.S' Site Milestone-[8]Dead End Steel Start 0 11 06/12/23 MS.SI.0 MS.SI.DE.: a Site Milestone-[8]Dead End Steel Start
MS.SI.TLIN.1 Aeolus-Little Snake 500kV Transmission Line Dead End C 0 21 07/10/23* CNST.SI MS.SI.ME( fm% Aeolus-Little Snake 500kV Transmission Line Dead End Complete
MS.SI.DE.S' Site Milestone-[9]Dead End Steel Complete 0 39 08/10/23 CNST.SI CNST.BUS a Site Milestone-[9]Dead End Steel Complete
MS.SI.SUB.: Site Milestone-[10]Substation Steel Start 0 10 08/11/23 MS.SI.0 MS.SI.SUE a Site Milestone-[10]Substation Steel Start
MS.SI.EQP1 Site Milestone-[12]Equipment Install Start 0 3 08/11/23 MS.SI.0 MS.SI.EQF a Site Milestone-[12]Equipment Install Start
MS.SI.BUS.: Site Milestone-[14]Bus Installation Start 0 32 08/11/23 MS.SI.C1 MS.SI.BUE a Site Milestone-[14]Bus Installation Start
MS.SI.FND.' Aeolus 500kV:Transformer Foundations Complete(ready 0 7 08/15/23* CNST.FIN CNST.DRE O Aeolus 500kV:Transformer Foundations Complete(ready for transformer installation)
MS.SI.SUB.: Site Milestone-[11]Substation Steel Complete 0 11 08/31/23 CNST.SI CNST.INSE a Site Milestone-[11]Substation Steel Complete
MS.SI.FND.I Aeolus 500kv:Reactor Foundations Complete(ready for 1 0 8 09/06/23* CNST.FI� CNST.138. O Aeolus 500kv:Reactor Foundations Complete(ready for reactor installation)
MS.SI.URD. Site Milestone-[5]Underground Grounding Complete 0 40 09/06/23 CNST.GI CNST.ABC a Site Milestone-[5]Underground Grounding Complete
MS.SI.FND.1 Site Milestone-[7]Foundations Complete 0 6 09/12/23 MS.SI.FP CNST.URC a Site Milestone-[7]Foundations Complete
MS.SI.URD. Site Milestone-[4]Underground Conduits Complete 0 28 10/16/23 CNST.UE CNST.CN1 a Site Milestone-[4]Underground Conduits Complete
MS.SI.BUS.i Site Milestone-[15]Bus Installation Complete 0 10 11/03/23 CNST.BI CNST.JUM a Site Milestone-[15]Bus Installation Complete
MS.SI.CBL.: Site Milestone-[16]Feld Cable Install Start 0 20 11/14/23 CNST.CI CNST.TRN a Site Milestone-[16]Field Cable Install Start
MS.SI.CBL.( Site Milestone-[17]Feld Cable Install Complete 0 86 04/04/24 CNST.CI MS.SI.ME( a Site Milestone-[17]Field Cable Install Complete
MS.SI.CIV.0 Site Milestone-[2]Civil Earthworks Complete 0 72 04/18/24 CNST.CI MS.SI.ME( a Site Milestone-[2]Civil Earthworks Complete
MS.SI.EQP1 Site Milestone-[13]Equipment Install Complete 0 59 05/01/24 MS.SI.E( MS.SI.ME( a Site Milestone-[13]Equipment Install Complete
MS.SI.TERN Site Milestone-[18]Feld Cable Termination Start 0 58 05/03/24 CNST.TF MS.SI.TER a Site Milestone-[18]Field Cable Termination Start
MS.SI.TERN Site Milestone-[19]Feld Cable Termination Complete 0 58 05/03/24 CNST.CI MS.SI.ME( a Site Milestone-[19]Field Cable Termination Complete
MS.SI.TEST. Site Milestone-[20]Contractor Testing Start 0 71 05/03/24 COMMIE MS.SI.TES a Site Milestone-[20]Contractor Testing Start
MS.SI.MECI Aeolus 500kV Substation Mechanical Completion 0 2 06/27/24* MS.SI.TI. MS.SI.SUE a Aeolus 500kV Substation Mechanical Completio
MS.SI.TEST. Site Milestone-[21]Contractor Testing Complete 0 47 06/27/24 MS.SI.TE MS.SI.SUE Site Milestone-[21]Contractor Test ng Complete
MS.SI.FRM: Site Milestone-[22]Contractor Testing and Commissionir 0 47 06/27/24 COMMIE MS.SI.SUE a Site Milestone-[22]Contractor Test ngand Com
MS.SI.SUBE Aeolus 500kV Substation Substantial Completion 0 0 08/13/24* COMMIE Aeolus 500kV Substation Substantial C
Owner Milestones 11/13/23
MS.OWN.CB Cromer Supplied Material-Circuit Breakers 0 24 04/21/23. MS.SI.C1 CNST.CB.( Owner Supplied Material-Circuit Breakers
MS.OWN.C( Owner Supplied Material-CCVTs 0 0 06/01/23* MS.SI.C1 CNST.CC� a Owner Supplied Material-CCVTs
MS.OWN.St Owner Supplied Material-Substation Steel 0 0 06/01/23* MS.SI.C1 CNST.STEI a Owner Supplied Material-Substation Steel
MS.OWN.DE Owner Supplied Material-Dead End Steel 0 0 06/10/23* MS.SI.C1 CNST.STEI a Owner Supplied Material-Dead End Steel
MS.OWN.52 Owner Supplied Material-Capacitor Bank 525 kV 0 0 07/03/23* MS.SI.C1 CNST.CB.( a Owner Supplied Material-Capacitor Bank 525 kV
MS.OWN.S� Owner Supplied Material-Disconnect Switches 0 0 07/15/23* MS.SI.C1 CNST.SWI a Owner Supplied Material-Disconnect Switches
MS.OWN.52 Owner Supplied Material-500/345 kV transformers-7 un 0 0 10/25/23* MS.SI.C1 CNST.TRA a Owner Supplied Material-500/345 kV transformers-7 units(Owner Supplied)
MS.OWN.52 Cromer Supplied Material-Reactors 0 0 11/13/23* MS.SI.0 CNST.TRA a Owner Supplied Material-Reactors
Project Management 125 37 09/01/22A 05/30/23
Project Management r�125 4 10/01/22A 04/21/23
milestones Primary Baseline Actual Work Current ED=== Fabricators a Civil Neg Float Bar LD Float Date Date: 04/21/23
Actual Level of Effort 0 0 Milestone Baseline ED=== Remaining Work ♦ ♦ Milestone ED=:=] Electricians GO Line LD Date Critical Remaining Work

A2 - Aeolus 500 kV Full Detail Schedule
Activity ID Activity Name Original Total Float Start Finish Predecessc Successors 2023 2024 2025
Duration ar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb
PM.PLAN Develop QAProgram Plan 15 10/01/22A 10/17/22A MS.SI.Ci PM.li
PM.PLAN Develop EAP 15 10/01/22A 12/09/22A MS.SI.Ci PM.PLAN.j
PM.PLAN Develop Emergency Response Plan 15 10/01/22A 12/12/22A MS.SI.Ci PM.PLAN.j ncy Response Plan
PM.PLAN Develop Safety Plan 15 10/01/22A 12/16/22A MS.SI.CI PM.PLAN.j Plan
PM.PLAN Develop Environmental Training plan 15 4 10/01/22A 04/21/23 MS.SI.CI PM.PLAN.j Develop Environmental Training plan
PM.PLAN Develop SSEP 15 4 10/01/22A 04/21/23 MS.SI.Ci Develop SSEP
PM.PLAN Develop Biological Plant and Wildlife Plan 15 4 10/01/22A 04/21/23 MS.SI.CI Develop Biological Plant and Wildlife Plan
PM.PLAN All Required Plans Submitted and Approved 0 4 04/21/23 PM.PLAP PERM.BIO All Required Plans Submitted and Approved
Engineering Deliverables(by others) 37 09/01/22 A 05/30/23
ENG.IFC.CI` Design-CivilIFC 4 09/01/22A 09/19/22A MS.SI.Ci CNST.CIV.,
ENG.IFC.FN DesignIFC-Foundations-Transformers 4 10/01/22A 03/21/23A MS.SI.Ci CNST.FND DesgnIFC-Foundations-Transformers
ENG.IFC.FN Design IFC-Foundations 4 1 10/01/22A 04/21/23 MS.SI.CI CNST.FND Design IFC-Foundations
ENG.IFC.ST Design IFC-Structural 37 64 10/01/22A 04/21/23 MS.Sl.0 CNST.STEI Design IFC-Structural
ENG.IFC.EL Design IFC-Electrical JL4
10/01/22A 05/03/23 MS.Sl.0 PROC.ORI Design IFC-Electrical
ENG.IFC.PC Design IFC-P&C 10/01/22A 05/30/23 MS.SI.CI PROC.ORI Design IFC-P&C
Permitting 09/21/22 A 04/27/23
State/Local 09/21/22 A 04/27/23
1. 04/27/23
PERM.Bli Bio Clearance(Batch Plant) 4 09/21/22A 09/21/22A MS.SI.Ci PERM.ALL
Pli Obtain WaterQualty(SWPIi Permit 4 10/01/22A 10/26/22A MS.SI.CI PERM.ALL PP)Pa mit
PERM.AI. All permits obtained to allow civil work to proceed(Expansi 0 4 04/27/23 PERMS' CNST.CIV., a All permits obtained to allow civil work to proceed(Expansion only)
PERM.Bt Bio Clearance(Expansion) 4 4 04/24/23 04/27/23 MS.Sl.0 PERM.ALL 0 Bio Clearance(Expansion)
Procurement 0 09/22/22A * 11/13/23
Contractor Supplied Materials 90 9 10/15/22A 11/04/23
PROC.01 order placed-Aluminum Strain Bus 4 10/15/22A 10/15/22A MS.SI.Ci PROC.MAI n Bus
PROC.01 order placed-Bare Copper 4 10/15/22A 10/15/22A MS.SI.Ci PROC.MAI
Pli Manufacture-Bare Copper 45 83 10/15/22A 04/21/23 PROC.O PROC.DEI Manufacture-Bare Copper
PROC.DE Delivery-Bare Copper 4 83 04/21/23 04/24/23 PROC.M CNST.GNC 8 Delivery-Bare Copper
Pli Manufacture-Aluminum Strain Bus 67 91 10/15/22A 06/15/23 PROC.O PROC.DEI Manufacture-Aluminum Strain Bus
PROC.D1 Delivery-Aluminum Strain Bus 4 91 06/16/23 06/19/23 PROC.M CNST.BUS Delivery-Aluminum Strain Bus
PROC.01 order placed-Control Cable 4 39 05/31/23 06/03/23 ENG.IFC PROC.MAI 9 order placed-Control Cable
PROC.01 order placed-Power Cable 4 39 05/31/23 06/03/23 ENG.IFC PROC.MAI 9 order placed-Power Cable
Pli Manufacture-Control Cable 120 39 06/04/23 10/01/23 PROC.O PROC.DEI I I Manufacture-Control Cable
Pli Manufacture-Power Cable 120 39 06/04/23 10/01/23 PROC.O PROC.DEI I Manufacture-Power Cable
PROC.DE Delivery-Control Cable 4 39 10/02/23 10/05/23 PROC.M CNST.CNT 9 Delivery-Control Cable
PROC.DE Delivery-Power Cable 4 39 10/02/23 10/05/23 PROC.M CNST.CNT 9 Delivery-Power Cable
• 128 38 1 14 09/08/23
PROC.01 order placed-PVC Conduit 4 38 05/04/23 05/07/23 ENG.IFC PROC.MAI 9 order placed-PVC Conduit
PROC.01 Lorde:rp:la:cedd-GRC Conduit 4 38 05/04/23 05/07/23 ENG.IFC I PROC.MAI 9 order placed-GRC Conduit
milestones - Primary Baseline Actual Work Current 1�3 ] Fabricators ED=-IEI Civil � Neg Float Bar LID Float Date Date: 04/21/23
Actual Level of Effort 0 O Milestone Baseline G= Remaining Work ♦ ♦ Milestone � Electricians E =-ME] Line � LID Date Critical Remaining Work

A2 - Aeolus 500 kV Full Detail Schedule
Activity ID Activity Name Original Total Float Start Finish Predecessc Successors 2023 2024 2025
Duration ar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec an Feb
PROC.K Manufacture-PVC Conduit 120 38 05/08/23 09/04/23 PROC.O PROC.DEL Manufacture-PVC Conduit
PROC.Mj Manufacture-GRC Conduit 120 38 05/08/23 09/04/23 PROC.O PROC.DEL Manufacture-GRC Conduit
PROC.DL Delivery-PVC Conduit 4 38 09/05/23 09/08/23 PROC.M CNST.URE Delivery-PVC Conduit
PROC.DL Delivery-GRC Conduit 4 38 09/05/23 09/08/23 PROC.M CNST.ABC B Delivery-GRC Conduit
• • 1 04/24/23
PROC.OL order placed-Ground Grid System Material 4 10/15/22 A 10/15/22 A MS.SI.C1 PROC.MAI stem aterial
PROC.M, Manufacture-Ground Grid System Material 75 83 10/15/22A 04/21/23 PROC.O PROC.DEI Manufacture-Ground Grid System Material
PROC.DL Delivery-Ground Grid System Material 4 83 04/21/23 04/24/23 PROC.M CNST.GNE Delivery-Ground Grid System Material
.• 1
PROC.OL order placed-Rigid Aluminum Bus 4 10/15/22 A 10/15/22 A MS.SI.C� PROC.MAI Bus
PROC.Mj Manufacture-Rigid Aluminum Bus 168 91 10/15/22A 06/08/23 PROC.O PROC.DEL Manufacture-Rigid Aluminum Bus
PROC.DL Delivery-Rigid Aluminum Bus 4 91 06/09/23 06/12/23 PROC.M CNST.BUS 9 Delivery-Rigid Aluminum Bus
PROC.OL order placed-Suspension Insulators 4 10/15/22A 10/15/22A MS.SI.0 PROC.MAI 3ulators
PROC.OL order placed-525 kV Surge Arrestors 4 10/15/22A 10/15/22A MS.SI.C1 PROC.MAI rresto
PROC.OL order placed-Station post Insulators 4 10/15/22A 10/15/22A MS.SI.C1 PROC.MAI 3ulators
PROC.OL order placed-Cable Trench 4 1 05/04/23 05/07/23 ENG.IFC PROC.MAI 9 order placed-Cable Trench
PROC.OL order placed-Junction Boxes 4 38 05/04/23 05/07/23 ENG.IFC PROC.MAI 9 order placed-Junction Boxes
PROC.OL order placed-Yard Lights 4 25 05/04/23 05/07/23 ENG.IFC PROC.MAI 9 order placed-Yard Lights
PROC.Mj Manufacture-Station post Insulators 156 89 10/15/22A 05/12/23 PROC.O PROC.DEI Manufacture-Station post Insulators
PROC.DL Delivery-Station post Insulators 4 89 05/13/23 05/16/23 PROC.M CNST.INSI. 8 Delivery-Station post Insulators
PROC.OL order placed-AC Panel Boards 4 9 05/31/23 06/03/23 ENG.IFC PROC.MAI 8 order placed-AC Panel Boards
PROC.Mj Manufacture-525 kV Surge Arrestors 67 93 10/15/22A 06/13/23 PROC.O PROC.DEL Manufacture-525 kV Surge Arrestors
PROC.DL Delivery-525 kV Surge Arrestors 4 93 06/14/23 06/17/23 PROC.M CNST.SAR Delivery-525 kV Surge Arrestors
PROC.Mj Manufacture-Suspension Insulators 156 44 10/15/22A 06/26/23 PROC.O PROC.DEL Manufacture-Suspension Insulators
PROC.DL Delivery-Suspension Insulators 4 44 06/27/23 06/30/23 PROC.M CNST.INSL 8 Delivery-Suspension Insulators
PROC.Mj Manufacture-Cable Trench 100 1 05/08/23 08/15/23 PROC.O PROC.DEL Manufacture-Cable Trench
PROC.DL Delivery-Cable Trench 4 1 08/16/23 08/19/23 PROC.M CNST.CBL 8 Delivery-Cable Trench
PROC.Mj Manufacture-Junction Boxes 120 38 05/08/23 09/04/23 PROC.O PROC.DEL Manufacture-Junction Boxes
PROC.DL Delivery-Junction Boxes 4 38 09/05/23 09/08/23 PROC.M CNST.ABC 0 Delivery-Junction Boxes
PROC.Mj Manufacture-Yard Lights 140 25 05/08/23 09/24/23 PROC.O PROC.DEL Manufacture-Yard Lights
PROC.DL Delivery-Yard Lights 4 25 09/25/23 09/28/23 PROC.M CNST.LIGF 8 Delivery-Yard Lights
PROC.Mj Manufacture-AC Panel Boards 150 9 06/04/23 10/31/23 PROC.O PROC.DEL Manufacture-AC Panel Boards
PROC.DL Delivery-AC Panel Boards 4 9 11/01/23 11/04/23 PROC.M CNST.TRIV 8 Delivery-AC Panel Boards
Owner Supplied Ma 0 09/22/22A
PROC.OWN Owner Supplied Material-Circuit Breakers 45 24 09/22/22A 04/21/237MS.OWN.,r,
Owner Supplied Material-Circuit Breakers
PROC.OWN Owner Supplied Material-CCVTs 45 0 09/22/22 A 06/01/23 Owner Supplied Material-CCVTs
PROC.OWN Owner Supplied Material-Substation Steel 45 0 09/22/22 A 06/01/23 Owner Supplied Material-Substation Steel
PROC.OWN Owner Supplied Material-Dead End Steel 45 0 09/22/22 A 06/10/23 Owner Supplied Material-Dead End Steel
PROC.OWN Owner Supplied Material-Capacitor Bank 525 kV 45 0 09/22/22 A 07/03/23 Owner Supplied Material-Capacitor Bank 525 kV
PROC.OWN Owner Supplied Material-Disconnect Switches 45 0 09/22/22 A 07/15/23 Owner Supplied Material-Disconnect Switches
PROC.OWN Owner Supplied Material-500/345 kV transformers-7 un 45 0 09/22/22 A 10/25/23 Owner Supplied Material-500/345 kV transformers-7 units(Owner Supplied)
i
milestones - Primary Baseline Actual Work -0 Current 11D=== Fabricators ED=== Civil Neg Float Bar LD Float Date Date: 04/21/23
Actual Level of Effort 0 0 Milestone Baseline Remaining Work ♦ ♦ Milestone [__� Electricians ED== Line � LD Date Critical Remaining Work

A2 - Aeolus 500 kV Full Detail Schedule
Activity ID Activity Name Original Total Float Start Finish Predecess Successors 2023 2024 2025
Duration ar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar I Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb
PROC.OWN Owner Supplied Material-Reactors 45 0 09/22/22 A 11/13/23 MS.OWN.E Owner Supplied Material-Reactors
Construction 233 40 10/01/22A 05/02/24
Substation 233 40 10/01/22A 05/02/24
.. rim 11
.• • 1 1
CNST. I Setup job trailers 4 11/01/22 A 11/03/22 A JMS.SI.C1 I CNST.CIV,
101*1 V I ILIALW20
CNST setup concrete batch plant 41 10/01/22A 11/08/22 A MS.SI.C1 CNST.FND nt
• 04/28/23 14
CNST.CI� Clear and Grub 10 4 04/28/23 05/11/23 PERM.A, CNSTCIV ® Clearand Grub
CNST.CI) Mass Excavation 15 4 05/12/23 06/02/23 CNST.CI CNST.CIV.I ® Mass Excavation
CNST.CI) Import Road Base 10 4 06/05/23 06/16/23 CNST.CI CNST.FND ® Import Road Base
CNST.CI) Install finish rock(1 of 2) 15 50 11/14/23 03/28/24 CNST.UF MS.SI.CIV. Install finish rock(1 of 2)
CNST.CI) Install finish rock(2 of 2) 15 50 03/29/24 04/18/24 CNST.UF MS.SI.CIV. Install finish rock(2 of 2)
• • • •1 1• 09/06/23
• .- •1 1• 09/06/23
CNST. Ground Grid(1 of 3) 20 23 06/13/23 07/11/23 PROC.D CNST.BUS Ground Grid(1 of 3)
CNST. Ground Grid(2 of 3) 20 23 07/12/23 08/08/23 PROC.D CNST.GNC Ground Grid(2 of 3)
CNST. Ground Grid(3 of 3) 20 23 08/09/23 09/06/23 CNST.G1 CNST.BUS MED Ground Grid(3 of 3)
• • •- 1 1 19
Reactor Foundations 1 6 06/13/23 09/06/23 Jr
CU Reactor Foundation 15 6 06/13/23 07/03/23 MS.SI.C1 MS.SI.FNC Reactor Foundation A
CU Reactor Foundation B 15 6 07/05/23 07/25/23 MS.SI.C1 MS.SI.FNC ® Reactor Foundation B
CU Reactor Foundation C 15 6 07/26/23 08/15/23 MS.SI.C1 MS.SI.FNC ® Reactor Foundation C
CU Reactor Foundation Spare 15 6 08/16/23 09/06/23 MS.SI.0 MS.SI.FNC ® Reactor Foundation Spare
Transformer Foundations 5 03/20/23A 08/15/23
CIN Transformer Foundation 2A 15 5 03/20/23A 04/25/23 MS.SI.0 MS.SI.FNC Transformer Foundation 2A
CU Transformer Foundation 2B 15 5 04/10/23A 04/28/23 MS.SI.C1 MS.SI.FNC Transformer Foundation 2B
CU Transformer Foundation 2C 15 5 05/01/23 05/19/23 MS.SI.C1 MS.SI.FNC B Transformer Foundation 2C
CU Transformer Foundation 3A 15 5 05/22/23 06/12/23 MS.SI.C1 MS.SI.FNC Transformer Foundation 3A
CU Transformer Foundation 3B 15 5 06/13/23 07/03/23 MS.SI.0 MS.SI.FNC B Transformer Foundation 3B
CU Transformer Foundation 3C 15 5 07/05/23 07/25/23 MS.SI.C1 MS.SI.FNC ® Transformer Foundation 3C
CN Transformer Foundation Spare 15 5 07/26/23 08/15/23 MS.SI.C1 MS.SI.FNC ® Transformer Foundation Spare
B r Fo ations 40 4
CU Breaker foundations(1 of 2) 20 4 06/19/23 07/17/23 CNST.CI CNST.CIV. ® Breaker foundations(1 of 2)
CU Breaker foundations(2 of 2) 20 4 07/18/23 08/14/23 CNST.CI CNST.CIV. ® Breaker foundations(2 of 2)
Cap Bank Foundations 1 201 4 08/15/23
CN; I Cap Bank 1 Foundations 20 4 08/15/23 09/12/23 MS.SI.C( CNSTCIV ® Cap Bank 1 Foundations
CNST. Transmission line deadend foundations 18 1 04/21/23 05/16/23 CNST.W CNST.STEI Transmission line deadend foundations
CNST. Substation Piers Deadend Steel(1 of 2) 20 1 05/17/23 06/14/23 MS.SI.C1 CNST.FND Substation Piers Deadend Steel(1 of 2)
CNST. Substation Piers Deadend Steel(2 of 2) 20 1 06/15/23 07/13/23 CNST.Fh CNST.URC Substation Piers Deadend Steel(2 of 2)
CNST. Substation Piers structural Steel 20 1 07/14/23 08/10/23 MS.SI.0 CNST.STEI � Substation Piers structural Steel
milestones - Primary Baseline Actual Work Current 11=== Fabricators ED=-ME] Civil � Neg Float Bar LD Float Date Date: 04/21/23
Actual Level of Effort 0 0 Milestone Baseline [D== Remaining Work ♦ ♦ Milestone [__� Electricians G--ME] Line � LID Date Critical Remaining Work

A2 - Aeolus 500 kV Full Detail Schedule
Activity ID Activity Name Original Total Float Start Finish Predecessc Successors 2023 2024 2025
Duration ar Apr May Jun Jul Aug Sep I Oct I Nov I Dec I Jan I Feb r Apr eb Ma May Jun Jul Aug Sep Oct Nov Dec Jan F
-- 0
CNST. Install above grade conduit 20 0 10/17/23 11/13/23 1 CNST.Uf I CNST.CNT ® Install above grade conduit
CNST. Install Cable Trench 20 0 08/21/23 09/18/23 1 CNST.FI� CNST.UR1 ® Install Cable Trench
CNST. Install Conduit 20 0 09/19/23 10/16/23 CNSTYIh MS.SI.UR1 Install Conduit
CNST. Install Little Snake Line Dead-End 20 9 06/12/23 07/10/23 CNSTFI� MS.SI.TLII Install Little Snake Line Dead-End
CNST. Install substation dead-Ends 20 6 07/14/23 08/10/23 ENG.IFC MS.SI.DE.: Install substation dead-Ends
CNST. I Substation Structural Steel 15 6 08/11/23 08/31/23 CNSTYIh MS.SI.SUE Substation Structural Steel
11 1• 04/24/24
. 1 1• 11/03/23
•CNST Install Bus and Connectors(1 of 2) 20 1 09/11/23 10/06/23 CNST.IN CNST.CB.( ® Install Bus and Connectors(1 of 2)
CNST. Install Bus and Connectors(2 of 2) 20 1 10/09/23 1 11/03/23 CNST.IN CNST.CB.( ® Install Bus and Connectors(2 of 2)
LiMENIM 1 • 16 § 04/24/24
CNST. Install Jumpers(1 of 2) 20 6 11/06/23 03/27/24 CNST.BI COMMIS.1 Install Jumpers(1 of 2)
CNST. Install Jumpers(2 of 2) 20 6 03/28/24 04/24/24 CNST.BI COMMIS.1 Install Jumpers(2 of 2)
CNST. Install Strain Bus(1 of 2) 20 26 08/11/23 09/08/23 CNST.S1 CNST.BUS Install Strain Bus(1 of 2)
CNST. Install Strain Bus(2 of 2) 20 26 09/11/23 10/06/23 CNST.BI CNST.JUM Install Strain Bus(2 of 2)
1 1' 05/01/24
�1 1. '04/24/24
CNST. Install Switches(1 of 2) 20 6 11/06/23 03/27/24 CNST.SI CNST.SWI' Install Switches(1 of 2)
CNST. Install Switches(2 of 2) 20 6 03/28/24 04/24/24 CNST.S1 COMMIS.1 Install Switches(2 of 2)
10/09/23 10/27/23
CNST. Install Cap Bank 1 15 51 10/09/23 10/27/23 CNSTFN COMMIS.1 Install Cap Bank 1
CNST. Install Breakers-G Bay 15 1 11/06/23 11/28/23 CNST.BI COMMIS.1 Install Breakers-G Bay
CNST. Install Breakers-C Bay 15 1 11/29/23 04/10/24 1 CNST.BI COMMIS.1 Install Breakers-C Bay
CNST. Install Breakers-E Bay 15 1 04/11/24 05/01/24 CNST.BI COMMIS.1 B Install Breakers-E Bay
• - 1 1' 14
CNST. Install insulators 20 1 08/11/23 09/08/23 CNST.FN CNST.BUS Install insulators
CNST. Install Surge Arrestors(1 of 2) 20 11 09/01/23 09/29/23 CNST.S1 CNST.SAR = Install Surge Arrestors(1 of 2)
CNST. Yard Lighting 15 17 09/29/23 10/19/23 CNST.S1 MS.SI.EQF Yard Lighting
CNST. Transport Transformers to Site(by others) 20 73 09/28/23 10/25/23 CNST.Fh CNST.DRE Transport Transformers to Site(by others)
CNST. Install Surge Arrestors(2 of 2) 20 11 10/02/23 10/27/23 CNST.Sf COMMIS.1 Install Surge Arrestors(2 of 2)
CNST. Dress Transformers(by others) 20 73 10/26/23 11/22/23 CNST.TF MS.SI.EQF Dress Transformers(by others)
CNST. Install CCVTs 15 31 11/06/23 11/28/23 CNST.BI COMMIS.1 Install CCVTs
CNST. Transport Reactors to Site(by others) 15 5 11/14/23 03/28/24 MS.SI.E( CNST.DRE Transport Reactors to Site(by others)
CNST. Install neutral Reactors 20 20 11/14/23 04/04/24 CNST.FN COMMIS.1 Install neutral Reactors
CNST. Dress Reactors(by others) 20 5 03/29/24 04/25/24 CNST.TF MS.SI.EQF ® Dress Reactors(by others)
milestones o Primary Baseline Actual Work Current ED===] Fabricators ED=== Civil � Neg Float Bar LID Float Date Date: 04/21/23
Actual Level of Effort 0 0 Milestone Baseline Remaining Work ♦ ♦ Milestone � Electricians ED=== Line � LID Date Critical Remaining Work

A2 - Aeolus 500 kV Full Detail Schedule
Activity ID Activity Name Original Total Float Start Finish Predecess( Successors 2023 2024 2025
Duration ar I Apr I May I Jun I Jul I Aug Sep I Oct I Nov Dec Jan Feb Mar Apr May I Jun I Jul I Aug I Sep I Oct I Nov Dec Jan Feb
-- .ton.
CNST Terminate Control Cable-Field 20 0 04/05/24 05/02/24 CNSTCr COMMIS.1 Terminate Control Cable-Field
Miorn,mml. .. . 1, .IF1 , lllllllllllll �� 1. 1• ��
CNST. Install Control Cable-Control House 20 0 11/14/23 04/04/24 1 CNST.UF MS.SI.CBL Install Control Cable-Control House
CNST. Terminate Control Cable-Control House 20 0 04/05/24 05/02/24 1 CNST.Cf j 73MMIS.1 Terminate Control Cable-Control House
CNST. Install Control Cable-Field 1 20 0 11/14/23 04/04/24 CNST Ui MS.SI.CBL Install Control Cable-Field
Testing &Commissioning 71 0 05/03/24 08/13/24
�I Substation 71 0 05/03/24 08/13/24
COMMIS Testing(1 of 2) 20 0 05/03/24 05/31/24 CNSTCt MS.SI.TES Testing(1 of 2)
COMMIS Testing(2 of 2) 19 0 06/03/24 06/27/24 COMMIE MS.SI.TES Testing(2 of 2)
COMMIS Final Wei kThrough 2 0 06/28/24 07/01/24 COMMIE COMMIS.F 0 Final WalkThrough
COMMIS Punchlist items 18 0 07/02/24 07/26/24 COMMIE COMMIS.1 Punchlist items
COMMIS Pacificorp Testing&Commissionng support 12 0 07/29/24 08/13/24 COMMIE MS.SI.SUE B Pacificorp Testing&Commissioning sup
milestones Primary Baseline H Actual Work Current ED===] Fabricators GO Civil Neg Float Bar LID Float Date Date: 04/21/23
Actual Level of Effort 0 0 Milestone Baseline ED=== Remaining Work ♦ ♦ Milestone ED=== Electricians CD=:=] Line LID Date Critical Remaining Work