INTRODUCTION SCHEDULE TRANSPORTATION SYSTEM ASSESSMENT VESSEL - - PowerPoint PPT Presentation

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INTRODUCTION SCHEDULE TRANSPORTATION SYSTEM ASSESSMENT VESSEL - - PowerPoint PPT Presentation

Apr 29, 2023 130 likes •392 views

INTRODUCTION SCHEDULE TRANSPORTATION SYSTEM ASSESSMENT VESSEL CAPACITY STUDY CONCEPT DESIGN Q&A 2 INTRODUCTION SCHEDULE TRANSPORTATION SYSTEM ASSESSMENT VESSEL CAPACITY STUDY CONCEPT DESIGN Q&A 3 DESIGN TEAM 4 INTRODUCTION

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INTRODUCTION SCHEDULE TRANSPORTATION SYSTEM ASSESSMENT VESSEL CAPACITY STUDY CONCEPT DESIGN Q&A

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INTRODUCTION SCHEDULE TRANSPORTATION SYSTEM ASSESSMENT VESSEL CAPACITY STUDY CONCEPT DESIGN Q&A

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DESIGN TEAM

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INTRODUCTION SCHEDULE TRANSPORTATION SYSTEM ASSESSMENT VESSEL CAPACITY STUDY CONCEPT DESIGN Q&A

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NEAR-TERM SCHEDULE

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LONG-TERM SCHEDULE

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INTRODUCTION SCHEDULE TRANSPORTATION SYSTEM ASSESSMENT VESSEL CAPACITY STUDY CONCEPT DESIGN Q&A

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Look at whole Transportation System Single vs. Double ended Monohull vs. Catamaran Steel vs. Aluminum

  • Steel hull for strength, exploring AL

deckhouse for weight savings One vs. Two Ferries

  • Benefits to both systems
  • Total lifecycle cost evaluated for both
  • ptions
  • 50% greater cost for a two ferry

system

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OPTIONS & ALTERNATIVES

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PND Engineers

  • Completed survey and preparing

report

  • Apron widening

– Needed to allow concurrent passenger and vehicle loading

  • Evaluating suitability of existing

dolphins DN Traffic Consultants

  • Completed survey conducting

analysis

  • Evaluating queuing and parking
  • Exploring ticketing options

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TERMINALS

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Assumptions:

  • 2 roundtrips per hour
  • Full load in both directions
  • Ticketing bottleneck removed

Findings:

  • Ramp clearing consumes time
  • Concurrent vehicle / walk-on loading

needed

  • 33 vehicle limit to meet 2

roundtrips per hour

THROUGHPUT ASSESSMENT

  • 1. Load¹ (5:07)
  • 2. Depart (2:27)
  • 3. Cruise (1:10)
  • 4. Arrive (2:35)
  • 5. Unload (3:08)
  • 6. Turnaround² (0:47)
  • 7. Load (4:42)
  • 8. Depart (2:27)
  • 9. Cruise (1:10)
  • 10. Arrive (2:35)
  • 11. Unload³ (3:32)
  • 12. Remaining (0:20)

Start Anacortes GuemesIsland

How big can the new vessel be?

M/V Guemes operation

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Emergency response scenarios developed

  • Range from MOB to marine evacuation with grid

failure

  • Each propulsion system evaluated against

scenarios Airborne noise Wake wash Permitting

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EMERGENCY & ENVIRONMENTAL

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INTRODUCTION SCHEDULE TRANSPORTATION SYSTEM ASSESSMENT VESSEL CAPACITY STUDY CONCEPT DESIGN Q&A

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Ridership data from 1980 to present

  • Detailed data starts in 2001
  • 1% of trips contain a full load of walk-on

passengers

  • 22% of trips contain a full load of vehicles (19 or

more)

  • 2002 had the highest vehicle traffic

40 year design life used for replacement

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RIDERSHIP HISTORY

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PASSENGERS

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VEHICLES

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  • Forecast model considered Dwelling units, Population, Fares, Housing market,

Unemployment, Parking, Schedule, Weather

  • Passenger ridership forecasted to increase 77%

PASSENGER FORECAST

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  • Forecast model considered Dwelling units, Population, Fares, Housing market,

Unemployment, Parking, Schedule, Weather

  • Vehicle ridership forecasted to increase 74%

VEHICLE FORECAST

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  • Forecast model considered Dwelling units, Population, Fares, Housing market,

Unemployment, Parking, Schedule, Weather

  • Vehicle ridership forecasted to increase 74% over 2016 levels

VEHICLE FORECAST

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INTRODUCTION SCHEDULE TRANSPORTATION SYSTEM ASSESSMENT VESSEL CAPACITY STUDY CONCEPT DESIGN Q&A

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DESIGN & REGULATORY REQUIREMENTS

Terminal interface Operating environment Passenger and vehicle count Noise, speed, maneuvering RAM – no backup vessel USCG

  • Lifesaving and Stability
  • Manning
  • Batteries and Tonnage

ADA

  • Passenger Vessel Guide

EPA

  • Engine exhaust
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Five propulsion options

  • Geared Diesel (baseline)
  • Diesel Electric
  • Series Hybrid
  • All-Electric
  • Plug-in Hybrid

Operational profile is key Shore power infrastructure

  • Charging Anacortes only
  • Considering shore side batteries

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PROPULSION SYSTEM STUDY

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Sensitivity analysis Lifecycle cost

  • Propulsion system only
  • 40 year design life
  • Includes battery and engine replacements

Scoring system with owner-chosen weighting factors

  • Capex, Opex, emissions, reliability, etc.

Staying with Z-drive technology

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PROPULSION SYSTEM STUDY

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DESIGN PARTICULARS

32 Vehicles, 150 Passengers Deckhouse to the West

  • Complete vehicle and passenger

segregation Steel hull

  • Lightweight but robust framing

Considering AL deckhouse 2 x Z or L drive thrusters

  • Removable through main deck
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William L. Moon, PE Project Manager wlmoon@glosten.com 206.624.7850

CLOSING COMMENTS / Q&A

PROPRIETARY INFORMATION 25 PRESENTATION TITLE