Application of Value Engineering The Crosstown Project

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1 Application of Value Engineering The Crosstown Project Presented To: CSVA Conference, Toronto November 15, 2011 Presented by: Rick Thompson, Chief Project Manager SRT/Yards

2 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

3 Agenda 1. Eglinton Scarborough Crosstown Overview Application of VE - The Crosstown Project 11/18/ Agenda

4 Eglinton-Scarborough Crosstown 11/15/2011 Application of Value Engineering 1 - The Crosstown Project 4

5 Eglinton Corridor 11/15/2011 Application of Value Engineering 1 - The Crosstown Project 5

6 SRT 11/15/2011 Application of Value Engineering 1 - The Crosstown Project 6

7 Maintenance and Storage Facilities (MSFs) 11/15/2011 Application of Value Engineering 1 - The Crosstown Project 7

8 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

9 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

10 Light Rail Vehicles 11/15/2011 Application of Value Engineering 1 - The Crosstown Project 10

11 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

12 Potential Interior Layout 11/15/2011 Application of Value Engineering 1 - The Crosstown Project 12

13 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

14 Project Implementation SRT Kennedy to McCowan 2019 Eglinton Keele to Kennedy target /15/2011 Application of Value Engineering 1 - The Crosstown Project 14

15 Project Status - Design Nov Tunnels Keele to Laird 90% Dec SRT Conversion 30% Dec SRT Kennedy Station 10% Early 2012 Stations Keele to Chaplin 10% 11/15/2011 Application of Value Engineering 1 - The Crosstown Project 15

16 Project Status - Construction Jul West Launch Black Creek Summer 2012 Tunnelling starts (west to east) 2014 Eglinton Stations Start 2013/2014 Advanced SRT construction Sep SRT shut down Sep McCowan Maintenance & Storage Facility. 11/15/2011 Application of Value Engineering 1 - The Crosstown Project 16

17 Agenda 1. Eglinton Scarborough Crosstown Overview 2. Value Engineering for the Crosstown Project 11/18/2011 Application of VE - The Crosstown Project Agenda 17

18 VE Objective Best value at lowest cost. 11/15/2011 Application of VE 2-Value Engineering for the Crosstown Project 18

19 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

20 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

21 How Achieve Objectives? Creative The Box 11/15/2011 Application of VE 2-Value Engineering for the Crosstown Project 21

22 How Achieve Objectives? Creative Pre-Judge Defensive No No 11/15/2011 Application of VE 2-Value Engineering for the Crosstown Project 22

23 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

24 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

25 3 Types of VE Mainstream Formal Construction 11/15/2011 Application of VE 2-Value Engineering for the Crosstown Project 25

26 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

27 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

28 Formal VE Process 5 Day Workshop Day 1 - Presentation by project team and site visit Days 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

29 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

30 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

31 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

32 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

33 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

34 SRT Conversion 11/15/11 Application of VE - The Crosstown Project 3(i) SRT Conversion 34

35 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

36 11/15/2011 Application of VE - The Crosstown Project 3(i) SRT Conversion 36

37 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

38 SRT Conversion - Scope 11/15/2011 Application of VE - The Crosstown Project 3(i) SRT Conversion 38

39 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

40 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

41 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 % User Accessibility B B B B B/F B % Maintainability C C C C/F C % Construction Impacts D E F D % Environmental Impacts E F E % Project Schedule F F % Risks G % % 11/15/2011 Application of VE - The Crosstown Project 3(i) SRT Conversion 41

42 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

43 VE Evaluation of At-Grade Stations OVERALL PERFORMANCE Performance (P) % Change Performance Cost (C) % Savings Value Index (P/C) % Value Improvement Baseline 500 $ A-8 Replace framing with thinner, shop fabricated beams 454-9% $ % % A-4a Platform canopies only, no roof over tracks, raise track % $ % % A-4b At extensions, no roof, only platform canopies % $ % % Validation - The Base Case design has the highest Value 11/15/2011 Application of VE - The Crosstown Project 3(i) SRT Conversion 43

44 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

45 SRT Conversion - Tunnel Scope Modify Tunnel to accommodate larger vehicle 11/15/2011 Application of VE - The Crosstown Project 3(i) SRT Conversion 45

46 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

47 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

48 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

49 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

(FRP) Option 2 - Conventional Reinforcing Option 3

not identify any new options 11/15/2011 Application

50 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

51 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

52 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

53 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

54 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

55 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

56 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

57 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

58 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

59 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

60 Station Design 11/15/2011 Application of VE - The Crosstown Project 3 (ii) Station Box Length 60

61 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

62 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

63 Station Box Length 11/15/2011 Application of VE - The Crosstown Project 3 (ii) Station Box Length 63

64 Station Box Length 11/15/2011 Application of VE - The Crosstown Project 3 (ii) Station Box Length 64

65 Station Box Length 11/15/2011 Application of VE - The Crosstown Project 3 (ii) Station Box Length 65

66 Station Box Length 11/15/2011 Application of VE - The Crosstown Project 3 (ii) Station Box Length 66

67 Relocate Vent Fans 11/15/2011 Application of VE - The Crosstown Project 3 (ii) Station Box Length 67

68 Station Box Length 95 m 11/15/2011 Application of VE - The Crosstown Project 3 (ii) Station Box Length 68

69 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

70 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

71 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

72 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

73 Eglinton Tunnel Boring 4 TBMs have been purchased 11/15/2011 Application of VE- The Crosstown Project 3 (iii) Tunnel Design 73

74 Constructing New Stations & Tunnels 11/15/2011 Application of VE- The Crosstown Project 3 (iii) Tunnel Design 74

75 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

76 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

77 Tunnel Construction 11/15/2011 Application of VE- The Crosstown Project 3 (iii) Tunnel Design 77

78 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

79 Questions Contact: Rick Thompson Chief Project Manager SRT/Yards Toronto Transit Commission Transit Expansion Department Tel: /15/11 Application of VE - The Crosstown Project 4 Questions 79

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