Application of Value Engineering The Crosstown Project Presented To: CSVA Conference, Toronto November 15, 2011 Presented by: Rick Thompson, Chief Project Manager SRT/Yards
Agenda 1. Eglinton Scarborough Crosstown Overview 2. Value Engineering for the Crosstown Project 3. Examples of VE Workshops (i) SRT Conversion (ii) Station Box Length (iii) Tunnel Design 4. Questions 11/18/2011 Application of VE - The Crosstown Project Agenda 2
Agenda 1. Eglinton Scarborough Crosstown Overview Application of VE - The Crosstown Project 11/18/2011 3 Agenda
Eglinton-Scarborough Crosstown 11/15/2011 Application of Value Engineering 1 - The Crosstown Project 4
Eglinton Corridor 11/15/2011 Application of Value Engineering 1 - The Crosstown Project 5
SRT 11/15/2011 Application of Value Engineering 1 - The Crosstown Project 6
Maintenance and Storage Facilities (MSFs) 11/15/2011 Application of Value Engineering 1 - The Crosstown Project 7
Eglinton-Scarborough Crosstown Funded by the Province through Metrolinx - $8.4 Billion TTC responsible for delivery of the project, on behalf of Metrolinx Support future growth across the City Provide connections to the TTC subway and GO Transit Implement PRESTO transit fare card 11/15/2011 Application of Value Engineering 1 - The Crosstown Project 8
Key facts: Eglinton-Scarborough Crosstown 25 km east-west corridor between Scarborough Centre and Jane Street / Black Creek 19 km underground tunnel (Jane/Black Creek to Kennedy) 6km through-running service along upgraded SRT to Scarborough Centre Up to 26 stations 3 interchanges with subway Two Maintenance and Storage Facilities (MSF) 11/15/2011 Application of Value Engineering 1 - The Crosstown Project 9
Light Rail Vehicles 11/15/2011 Application of Value Engineering 1 - The Crosstown Project 10
Light Rail Vehicles Bombardier Awarded Contract in June 2010 New LRV features: Low floor and accessible Audio and visual passenger information Enhanced noise and vibration mitigation 31m long Will operate in 3 car consist 11/15/2011 Application of Value Engineering 1 - The Crosstown Project 11
Potential Interior Layout 11/15/2011 Application of Value Engineering 1 - The Crosstown Project 12
Goals Deliver quality product Deliver accessible product Minimize property and construction impacts Minimize disruption to extensive utilities around stations Accommodate local traffic during construction 11/15/2011 Application of Value Engineering 1 - The Crosstown Project 13
Project Implementation SRT Kennedy to McCowan 2019 Eglinton Keele to Kennedy target 2020 11/15/2011 Application of Value Engineering 1 - The Crosstown Project 14
Project Status - Design Nov. 2011 Tunnels Keele to Laird 90% Dec. 2011 SRT Conversion 30% Dec. 2011 SRT Kennedy Station 10% Early 2012 Stations Keele to Chaplin 10% 11/15/2011 Application of Value Engineering 1 - The Crosstown Project 15
Project Status - Construction Jul. 2011 West Launch Shaft @ Black Creek Summer 2012 Tunnelling starts (west to east) 2014 Eglinton Stations Start 2013/2014 Advanced SRT construction Sep. 2015 SRT shut down Sep. 2015 - McCowan Maintenance & Storage Facility. 11/15/2011 Application of Value Engineering 1 - The Crosstown Project 16
Agenda 1. Eglinton Scarborough Crosstown Overview 2. Value Engineering for the Crosstown Project 11/18/2011 Application of VE - The Crosstown Project Agenda 17
VE Objective Best value at lowest cost. 11/15/2011 Application of VE 2-Value Engineering for the Crosstown Project 18
VE Objective In achieving best value at lowest cost, must: Provide safe operation Adhere to design requirements Provide low life-cycle cost Provide high performance - reliability - availability - maintainability Be functional and aesthetically pleasing for customers. 11/15/2011 Application of VE 2-Value Engineering for the Crosstown Project 19
What is Value? Value Engineering Traditionally perceived as a means to reduce costs. Can also be applied to improve performance. Measures to determine performance are specific to each VE 11/15/2011 Application of VE 2-Value Engineering for the Crosstown Project 20
How Achieve Objectives? Creative The Box 11/15/2011 Application of VE 2-Value Engineering for the Crosstown Project 21
How Achieve Objectives? Creative Pre-Judge Defensive No No 11/15/2011 Application of VE 2-Value Engineering for the Crosstown Project 22
How Achieve Objectives? Instil VE as a culture Promote creativity and an open-minded approach Optimize designs to deliver maximum value at the lowest achievable life-cycle cost Perform VE early to achieve greatest benefit 11/15/2011 Application of VE 2-Value Engineering for the Crosstown Project 23
VE Benefits Encourages design creativity Builds confidence within project teams Provides a mechanism to deliver optimum value and quality service Provides confidence to funding partners. 11/15/2011 Application of VE 2-Value Engineering for the Crosstown Project 24
3 Types of VE Mainstream Formal Construction 11/15/2011 Application of VE 2-Value Engineering for the Crosstown Project 25
3 Types of VE - Continued Mainstream VE: Every day decisions throughout the design process Good engineering practice Request design variances Innovative design 11/15/2011 Application of VE 2-Value Engineering for the Crosstown Project 26
Formal VE: 3 VE Consultants retained 3 Types of VE - Continued VE Consultant retains appropriate specialists Perform at or before 30% design 10% - evaluate options 30% - evaluate selected options Constructibility To be used for: Stations Tunnels Maintenance Facilities 11/15/2011 Application of VE 2-Value Engineering for the Crosstown Project 27
Formal VE Process 5 Day Workshop Day 1 - Presentation by project team and site visit Days 2-4 - VE Consultant reviews project documentation and generates analysis of options. VE Consultant may contact project team for additional information. Day 5 - VE Consultant delivers presentation of VE recommendations. 11/15/2011 Application of VE 2-Value Engineering for the Crosstown Project 28
Formal VE Process Initial Evaluation VE Consultant provides draft report Project team reviews. 11/15/2011 Application of VE 2-Value Engineering for the Crosstown Project 29
Formal VE Process Final Evaluation Project team develops position on each recommendation Project team modifies designs accordingly VE Register is updated with selected options. 11/15/2011 Application of VE 2-Value Engineering for the Crosstown Project 30
VE Register Active list of selected VE recommendations Important tool to convey message to other teams VE updates issued regularly 11/15/2011 Application of VE 2-Value Engineering for the Crosstown Project 31
3 Types of VE - Continued Construction VE: Contracts encourage contractors to submit alternatives Internal evaluation Cost benefits shared with contractor 11/15/2011 Application of VE 2-Value Engineering for the Crosstown Project 32
Agenda 1. Eglinton Scarborough Crosstown Overview 2. Value Engineering for the Crosstown Project 3. Examples of VE Workshops (i) SRT Conversion 11/15/11 Application of VE - The Crosstown Project 3(i) SRT Conversion 33
SRT Conversion 11/15/11 Application of VE - The Crosstown Project 3(i) SRT Conversion 34
SRT Conversion Elevated Section Midland Station Scarborough CC Stn McCowan Station Tunnel Section At-Grade Section Lawrence Station Ellesmere Station Kennedy Station 11/15/2011 Application of VE - The Crosstown Project 3(i) SRT Conversion 35
11/15/2011 Application of VE - The Crosstown Project 3(i) SRT Conversion 36
SRT Conversion- New LRT Vehicle Mark 1 Flexity Heavier (Axle load 12 vs 6 tonnes) Low floor Catenary traction power Longer consist (93m vs 51m) 11/15/2011 Application of VE - The Crosstown Project 3(i) SRT Conversion 37
SRT Conversion - Scope 11/15/2011 Application of VE - The Crosstown Project 3(i) SRT Conversion 38
VE Workshop SRT Conversion Design was at approximately 10% Improve design by focusing on high cost items and improving project performance Assist in selection of design options 11/15/2011 Application of VE - The Crosstown Project 3(i) SRT Conversion 39
VE Workshop SRT Conversion Establish Performance Attributes: Transit Operations User Accessibility Maintainability Construction Impacts Environmental Impacts Project Schedule Risk 11/15/2011 Application of VE - The Crosstown Project 3(i) SRT Conversion 40
VE Workshop SRT Conversion Performance Attribute Weighting PERFORMANCE ATTRIBUTE MATRIX Which attribute is more important to the project? TOTAL % Transit Operations A A/B A A A A/F A 6.0 21.4% User Accessibility B B B B B/F B 6.0 21.4% Maintainability C C C C/F C 4.5 16.1% Construction Impacts D E F D 2.0 7.1% Environmental Impacts E F E 3.0 10.7% Project Schedule F F 5.5 19.6% Risks G 1.0 3.6% 28.0 100% 11/15/2011 Application of VE - The Crosstown Project 3(i) SRT Conversion 41
Proposed At-Grade Station Modification Modify Roof Over Track N Extend Platform Lower Platform 11/15/2011 Application of VE - The Crosstown Project 42 3(i) SRT Conversion
VE Evaluation of At-Grade Stations OVERALL PERFORMANCE Performance (P) % Change Performance Cost (C) % Savings Value Index (P/C) % Value Improvement Baseline 500 $237.7 2.10 A-8 Replace framing with thinner, shop fabricated beams 454-9% $228.4 4% 1.99-6% A-4a Platform canopies only, no roof over tracks, raise track 369-26% $223.3 6% 1.65-21% A-4b At extensions, no roof, only platform canopies 435-13% $227.5 4% 1.91-9% Validation - The Base Case design has the highest Value 11/15/2011 Application of VE - The Crosstown Project 3(i) SRT Conversion 43
SProposed Elevated Station Modification Raise Roof over Track VE Supported Base Case Extend Platform N Strengthen Track Deck And Raise Track Strengthen Joints 11/15/2011 Application of VE - The Crosstown Project 44 3(i) SRT Conversion
SRT Conversion - Tunnel Scope Modify Tunnel to accommodate larger vehicle 11/15/2011 Application of VE - The Crosstown Project 3(i) SRT Conversion 45
Raise support columns & walls and add roof Proposed Tunnel Roof Tunnel Modification Remove existing tunnel roof 11/15/2011 Application of VE - The Crosstown Project 46 3(i) SRT Conversion
Tunnel Modification - Sequencing 1. Construct detour and remove mainline 2. Remove tunnel roof, raise support columns and walls 3. Cast new tunnel roof 4. Re-install GO Transit mainline 5. Remove detour 11/15/2011 Application of VE - The Crosstown Project 3(i) SRT Conversion 47
Tunnel Modification - Sequencing 6. VE: Use existing spur as detour (not acceptable to GO) 11/15/2011 Application of VE - The Crosstown Project 3(i) SRT Conversion 48
SRT Elevated Conversion Guideway Existing Structure Elevated Structure with New Vehicle Overstressed due to 100% additional load 11/15/2011 Application of VE - The Crosstown Project 3(i) SRT Conversion 49
Elevated Structure Modification Options Identified by Project Team Option 1 Fibre Reinforced Polymer (FRP) Option 2 - Conventional Reinforcing Option 3 - New Superstructure Option 4 - New Guideway VE did not identify any new options 11/15/2011 Application of VE - The Crosstown Project 3(i) SRT Conversion 50
VE Evaluation Option 1 - FRP Reinforcing Quality Control is a challenge Weather dependant Relatively new and on-going research VE did not recommend 11/15/2011 Application of VE - The Crosstown Project 3(i) SRT Conversion 51
Option 2. Conventional Reinforcing Add Concrete Slab With 20 Dowels Per Metre Exterior Post-tensioning Exterior Post-tensioning External Stirrups For Girder 11/15/2011 Application of VE - The Crosstown Project 3(i) SRT Conversion 52
VE Evaluation Option 2 - Conventional Reinforcing Evaluation Requires 40,000 dowels Existing structure participates in live load Cracking Potential is High Corrosion Only expect 25 year life VE did not recommend 11/15/2011 Application of VE - The Crosstown Project 3(i) SRT Conversion 53
Elevated Guideway Option 3. New Superstructure Option 2 New Superstructure Proposed Superstructure Pier Modification EXISTING PIER 11/15/2011 Application of VE - The Crosstown Project 54 3(i) SRT Conversion
VE Evaluation Option 3 - New Superstructure on Existing Piers/Foundations Higher capital cost 75 year life Recommended by VE 11/15/2011 Application of VE - The Crosstown Project 3(i) SRT Conversion 55
Option 4. New Guideway-Superstructure and Piers Highest capital cost VE did not recommend 11/15/2011 Application of VE - The Crosstown Project 56 3(i) SRT Conversion
Elevated Structure - VE Follow-Up Life Cycle Cost Analysis conducted by TTC Results support VE recommendation 11/15/2011 Application of VE - The Crosstown Project 3(i) SRT Conversion 57
VE Workshop SRT Conversion Summary Did not result in capital cost savings Did result in improved performance Assisted in selection of options Supported base case designs 11/15/2011 Application of VE - The Crosstown Project 3(i) SRT Conversion 58
Agenda 1. Eglinton Scarborough Crosstown Overview 2. Value Engineering for the Crosstown Project 3. Examples of VE Workshops (i) SRT Conversion (ii) Station Box Length 11/15/11 Application of VE - The Crosstown Project 3 (ii) Station Box Length 59
Station Design 11/15/2011 Application of VE - The Crosstown Project 3 (ii) Station Box Length 60
Station Location Minimize property and construction impacts Minimize disruption to extensive utilities around stations Accommodate local traffic during construction 11/15/2011 Application of VE - The Crosstown Project 3 (ii) Station Box Length 61
Station Construction Smaller station Less impact Less cost Shorter schedule VE performed on Station Box Length 11/15/2011 Application of VE - The Crosstown Project 3 (ii) Station Box Length 62
Station Box Length 11/15/2011 Application of VE - The Crosstown Project 3 (ii) Station Box Length 63
Station Box Length 11/15/2011 Application of VE - The Crosstown Project 3 (ii) Station Box Length 64
Station Box Length 11/15/2011 Application of VE - The Crosstown Project 3 (ii) Station Box Length 65
Station Box Length 11/15/2011 Application of VE - The Crosstown Project 3 (ii) Station Box Length 66
Relocate Vent Fans 11/15/2011 Application of VE - The Crosstown Project 3 (ii) Station Box Length 67
Station Box Length 95 m 11/15/2011 Application of VE - The Crosstown Project 3 (ii) Station Box Length 68
Station Box Length VE Alternative Box Length Reduction Cost Saving per Station Vent fans outside station box at entrance buildings 22m $ 3.3 M Delete fire fighter access shafts (in line stations) 3m $ 1.0 M Platform length reduced from 97 to 95m 2m $ 0.6 M POTENTIAL COST SAVING PER IN LINE STATION (Location Specific) TOTAL POTENTIAL COST SAVING 27m $ 4.9 M $ 100 M 11/15/2011 Application of VE - The Crosstown Project 3 (ii) Station Box Length 69
Agenda 1. Eglinton Scarborough Crosstown Overview 2. Value Engineering for the Crosstown Project 3. Examples of VE Workshops (i) SRT Conversion (ii) Station Box Length (iii) Tunnel Design 11/15/11 Application of VE- The Crosstown Project 70 3 (iii) Tunnel Design
Eglinton Tunnels Scope 19 km tunnel from Kennedy to West Launch Shaft (Black Creek Drive) 11/15/2011 Application of VE- The Crosstown Project 3 (iii) Tunnel Design 71
Eglinton Tunnels Mainstream VE: Tunnelling vs cut and cover Tunnelling more cost effective for long distances Less impact to community Tunnel Diameter Minimize to reduce costs 11/15/2011 Application of VE- The Crosstown Project 3 (iii) Tunnel Design 72
Eglinton Tunnel Boring 4 TBMs have been purchased 11/15/2011 Application of VE- The Crosstown Project 3 (iii) Tunnel Design 73
Constructing New Stations & Tunnels 11/15/2011 Application of VE- The Crosstown Project 3 (iii) Tunnel Design 74
Formal VE Tunnel Design Scope VE performed on 60% tunnel design. VE report under review 11/15/2011 Application of VE- The Crosstown Project 3 (iii) Tunnel Design 75
Eglinton Tunnel Design VE Alternative Excavate station boxes from Dufferin east to Yonge prior to tunnelling Utilize secant walls as part of the permanent station structure Cost Saving (Preliminary) $ 59 M $ 44 M Use Eglinton West Station box to extract and launch TBMs $ 30 M Utilize longer TBM tunnel drives $ 26 M POTENTIAL COST SAVINGS (TOP 4 BIG WINS) $ 159 M 11/15/2011 Application of VE- The Crosstown Project 3 (iii) Tunnel Design 76
Tunnel Construction 11/15/2011 Application of VE- The Crosstown Project 3 (iii) Tunnel Design 77
Agenda 1. Eglinton Scarborough Crosstown Overview 2. Value Engineering for the Crosstown Project 3. Examples of VE Workshops (i) SRT Conversion (ii) Station Box Length (iii) Tunnel Design 4. Questions 11/15/11 Application of VE - The Crosstown Project 4 Questions 78
Questions Contact: Rick Thompson Chief Project Manager SRT/Yards Toronto Transit Commission Transit Expansion Department Tel: 416-397-4870 e-mail: Rick.Thompson@ttc.ca 11/15/11 Application of VE - The Crosstown Project 4 Questions 79