SEISMIC RESEARCH STUDY FOR CENTRE BLOCK, PARLIAMENT HILL Work Package 1 Prepared for: Public Works and Government Services Canada Parliamentary Precinct Branch Prepared by: Halsall Associates 210 Gladstone Avenue, Suite 4001 Ottawa, Ontario K2P 0Y6 (613) 237-2462 14Y160-113A February 2015 SEISMIC RESEARCH STUDY FOR CENTRE BLOCK, PARLIAMENT HILL Work Package 1 PWGSC Client Reference Number: 20150336 Prepared for: Public Works and Government Services Canada Parliamentary Precinct Branch Prepared by: Halsall Associates 210 Gladstone Avenue, Suite 4001 Ottawa, ON K2P 0Y6 613-237-2462 Attn: Dan Carson, P.Eng. 14Y160-113A February 2015 14Y160-113A Seismic Research Study for Centre Block i TABLE OF CONTENTS LIST OF ACRONYMS ................................................................................................................................ IV 1. EXECUTIVE SUMMARY .............................................................................................................. V 1.1 Scope ........................................................................................................................................ v 1.2 General Description of Structure .............................................................................................. v 1.3 Methodology ............................................................................................................................. v 1.4 Seismic Upgrades of Heritage Structures ................................................................................ v 1.5 Understanding Performance Levels ........................................................................................ vi 2. INTRODUCTION ........................................................................................................................ 1 2.1 Scope ....................................................................................................................................... 1 2.2 Limitations ............................................................................................................................... 1 2.3 Existing Documents ................................................................................................................. 2 2.4 General Description of the Structure and Site ........................................................................ 3 2.4.1 Centre Block Main Building .......................................................................................................... 3 2.4.2 Peace Tower .................................................................................................................................. 3 2.4.3 Seismic Hazard of the Site ........................................................................................................... 4 3. METHODOLOGY ....................................................................................................................... 6 3.1 Research sources .................................................................................................................... 6 4. GAP ANALYSIS ......................................................................................................................... 7 4.1 Documentation Review............................................................................................................ 7 5. DETAILED RESULTS OF RESEARCH ......................................................................................... 8 5.1 Research Introduction ............................................................................................................. 8 5.1.1 Understanding Performance Levels ............................................................................................ 8 5.1.2 Comparison of Seismic Demand to Ottawa ................................................................................ 8 5.1.3 Performance Targets and Heritage Impact ................................................................................. 9 5.1.4 Project Costs ................................................................................................................................. 9 5.2 New Zealand Parliament House2............................................................................................. 9 5.2.1 Seismic Retrofit .......................................................................................................................... 10 5.2.2 Type of Analysis Considered ...................................................................................................... 10 5.2.3 Retrofit Options Considered and Rationale .............................................................................. 11 5.2.4 Performance targets ................................................................................................................... 11 5.2.5 How forces compare to Ottawa ................................................................................................. 11 5.3 Salt Lake City and County Building3, 4 .................................................................................... 12 5.3.1 Seismic Retrofit .......................................................................................................................... 12 5.3.2 Type of Analysis Considered ...................................................................................................... 13 5.3.3 Retrofit Options Considered and Rationale .............................................................................. 13 5.3.4 Performance targets ................................................................................................................... 13 5.3.5 How forces compare to Ottawa ................................................................................................. 13 5.4 The Parliament Building of Macedonia5 ................................................................................ 14 14Y160-113A Seismic Research Study for Centre Block ii 5.4.1 Seismic Retrofit .......................................................................................................................... 14 5.4.2 Type of Analysis Considered ...................................................................................................... 15 5.4.3 Retrofit Options Considered and Rationale .............................................................................. 15 5.4.4 Performance targets ................................................................................................................... 15 5.4.5 How forces compare to Ottawa ................................................................................................. 15 5.5 Victoria Memorial Museum Building6 .................................................................................... 16 5.5.1 Seismic Retrofit .......................................................................................................................... 16 5.5.2 Type of Analysis Considered ...................................................................................................... 17 5.5.3 Retrofit Options Considered and Rationale .............................................................................. 17 5.5.4 Performance targets ................................................................................................................... 18 5.5.5 How forces compare to Centre Block location .......................................................................... 18 5.6 San Francisco City Hall7 ......................................................................................................... 19 5.6.1 Seismic Retrofit .......................................................................................................................... 19 5.6.2 Type of Analysis Considered ...................................................................................................... 19 5.6.3 Retrofit Options Considered and Rationale .............................................................................. 20 5.6.4 Performance targets ................................................................................................................... 20 5.6.5 How forces compare to Ottawa ................................................................................................. 21 5.7 Sage and Gould Halls, Robert College8 ................................................................................. 21 5.7.1 Seismic Retrofit .......................................................................................................................... 22 5.7.2 Types of Analysis Considered .................................................................................................... 22 5.7.3 Retrofit Options Considered and Rationale .............................................................................. 22 5.7.4 Performance targets ................................................................................................................... 22 5.7.5 How forces compare to Ottawa ................................................................................................. 22 5.8 Rikkyo University Chapel9, 10 .................................................................................................. 23 5.8.1 Seismic Retrofit .......................................................................................................................... 23 5.8.2 Types of Analysis Considered ...................................................................................................