Seismic Assessment of the WashingtonMonument and the National Cathedral                                                   ...
Seismic Assessment of the WashingtonMonument and the National CathedralAIA CreditsNorthern Virginia Chapter CSI is a Regis...
Seismic Assessment of the WashingtonMonument and the National Cathedral     This presentation is protected by US and Inter...
Seismic Assessment of the WashingtonMonument and the National CathedralLearning Objectives• What Initial Steps Are Critica...
Seismic Assessment of the WashingtonMonument and the National CathedralSeismic EventDate:                                 ...
The Washington Monument                                                              Overall Height:         555ft 5-1/8in...
The Washington MonumentSeismic Assessment of the Washington Monument and the Washington National Cathedral   www.wje.com
The Washington MonumentSeismic Assessment of the Washington Monument and the Washington National Cathedral   www.wje.com
The Washington MonumentSeismic Assessment of the Washington Monument and the Washington National Cathedral   www.wje.com
The Washington MonumentSeismic Assessment of the Washington Monument and the Washington National Cathedral   www.wje.com
The Washington MonumentSeismic Assessment of the Washington Monument and the Washington National Cathedral   www.wje.com
The Washington MonumentSeismic Assessment of the Washington Monument and the Washington National Cathedral   www.wje.com
The Washington MonumentSeismic Assessment of the Washington Monument and the Washington National Cathedral   www.wje.com
The Washington MonumentSeismic Assessment of the Washington Monument and the Washington National Cathedral   www.wje.com
The Washington MonumentSeismic Assessment of the Washington Monument and the Washington National Cathedral   www.wje.com
The Washington MonumentSeismic Assessment of the Washington Monument and the Washington National Cathedral   www.wje.com
The Washington MonumentSeismic Assessment of the Washington Monument and the Washington National Cathedral   www.wje.com
The Washington MonumentSeismic Assessment of the Washington Monument and the Washington National Cathedral   www.wje.com
The Washington MonumentCritical Events and Activities Make Safe Operations Interior    Remove Debris From Above     Obser...
The Washington MonumentCritical Events and Activities Survey/Documentation of Seismic Damage    Visual survey of exterior...
The Washington MonumentDistress Exterior and Interior    Spalls and Incipient Spalls    Cracks    Displaced Stones    ...
The Washington MonumentDistress Exterior and Interior    Spalls and Incipient Spalls    Cracks    Displaced Stones    ...
The Washington MonumentDistressSeismic Assessment of the Washington Monument and the Washington National Cathedral   www.w...
The Washington MonumentDistressSeismic Assessment of the Washington Monument and the Washington National Cathedral   www.w...
The Washington MonumentDistressSeismic Assessment of the Washington Monument and the Washington National Cathedral   www.w...
The Washington MonumentDistressSeismic Assessment of the Washington Monument and the Washington National Cathedral   www.w...
The Washington MonumentDistressSeismic Assessment of the Washington Monument and the Washington National Cathedral   www.w...
The Washington MonumentCritical Events and Activities Preparation for Hurricane Irene        Application of Sealant from ...
The Washington National Cathedral                                                              Overall Length:            ...
The Washington National CathedralSeismic Assessment of the Washington Monument and the Washington National Cathedral   www...
The Washington National CathedralSeismic Assessment of the Washington Monument and the Washington National Cathedral   www...
The Washington National CathedralCritical Events and Activities Make Safe Operations Interior    Debris Netting System  ...
The Washington National CathedralCritical Events and Activities Survey/Documentation of Seismic Damage    Visual survey o...
The Washington National CathedralCritical Events and Activities Preparation for 9/11 Ceremony    Pedestrian tunnels    D...
The Washington National CathedralCritical Events and Activities Preparation for Hurricane Irene    Weather-in the roof ab...
The Washington National CathedralCritical Events and Activities DAT of Central and West TowersSeismic Assessment of the Wa...
The Washington National CathedralOngoing Efforts Dismantling of Central and West Tower Turrets and PinnaclesSeismic Assess...
The Washington National CathedralDistress Interior    Bond line failures    Isolated locations of     unstable mortar  ...
The Washington National CathedralDistress Exterior Northwest Entrance Roof    Damage to metal roof and stone     parapet ...
The Washington National CathedralDistress Exterior Nave    Pinnacle damageSeismic Assessment of the Washington Monument a...
The Washington National CathedralDistress Exterior North Transept    Damage to metal roof from finial and     pinnacles ...
The Washington National CathedralDistress Exterior South Transept    Damage to metal roof     from stones    Pinnacle da...
The Washington National CathedralDistress Exterior Choir/Sanctuary    Damage to metal roof from stones    Pinnacle damag...
The Washington National CathedralDistress Exterior Apse    Damage to buttresses    Pinnacle damage    Spalls at parapet...
The Washington National CathedralDistress Exterior West Towers    Missing finial    Pinnacle damageSeismic Assessment of...
The Washington National CathedralDistress Exterior Central Towers    Roof damage    Pinnacle damageSeismic Assessment of...
Seismic Assessment of the WashingtonMonument and the National Cathedral                               Questions?          ...
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Washington Monument and National Cathedral (January 2012 Meeting)

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Washington Monument and National Cathedral (January 2012 Meeting)

  1. 1. Seismic Assessment of the WashingtonMonument and the National Cathedral Erik Sohn, Senior Associate Wiss, Janney, Elstner Associates Washington, DCSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  2. 2. Seismic Assessment of the WashingtonMonument and the National CathedralAIA CreditsNorthern Virginia Chapter CSI is a Registered Provider with TheAmerican Institute of Architects Continuing Education Systems. Creditearned on completion of this program will be reported to CES Recordsfor AIA members. Certificates of Completion of non-AIA membersavailable on request.This program is registered with the AIA/CES for continuingprofessional education. As such, it does not include content that maybe deemed or construed to be an approval or endorsement by the AIAof any material of construction or any method or manner of handling,using, distributing, or dealing in any material or product. Questionsrelated to specific materials, methods, and services will be addressedat the conclusion of this presentation.Seismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  3. 3. Seismic Assessment of the WashingtonMonument and the National Cathedral This presentation is protected by US and International Copyright laws. Reproduction, distribution, display and use of the presentation without written permission of the speaker is prohibited. © 2012 Wiss, Janney, Elstner Associates, Inc.Seismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  4. 4. Seismic Assessment of the WashingtonMonument and the National CathedralLearning Objectives• What Initial Steps Are Critical to Perform on a Monumental Structure Following a Natural Disaster• What Items Are Important to Review During the Initial Assessment• What Types of Access Are Available, Appropriate, and Potentially Warranted for Unique and Historically Significant Structures• How to Best Assist an Owner of an Irreplaceable Building Asset with Recovery From a Natural DisasterSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  5. 5. Seismic Assessment of the WashingtonMonument and the National CathedralSeismic EventDate: August 23, 2011Approximate Time: 1:51 PM EDTMagnitude: 5.8MwLocation: Mineral, VA (Approx. 4 miles southwest) 95 miles southwest of Washington, DCDepth Below Surface: 3.7 miles The USGS is now reporting that this event was the most widely-felt earthquake in U.S. history…Seismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  6. 6. The Washington Monument Overall Height: 555ft 5-1/8in Height to Pyramidion: 500 ft Width at Base: 55.6 ft Width at Pyramidion: 34.5 ftSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  7. 7. The Washington MonumentSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  8. 8. The Washington MonumentSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  9. 9. The Washington MonumentSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  10. 10. The Washington MonumentSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  11. 11. The Washington MonumentSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  12. 12. The Washington MonumentSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  13. 13. The Washington MonumentSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  14. 14. The Washington MonumentSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  15. 15. The Washington MonumentSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  16. 16. The Washington MonumentSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  17. 17. The Washington MonumentSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  18. 18. The Washington MonumentSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  19. 19. The Washington MonumentCritical Events and Activities Make Safe Operations Interior  Remove Debris From Above Observation Level  Close-Range Survey Exterior  NPS Established Safe Boundary with Fence and Police/Security  Close-Range Survey/Debris Loose Material RemovalSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  20. 20. The Washington MonumentCritical Events and Activities Survey/Documentation of Seismic Damage  Visual survey of exterior building elements  Identifying and removing unstable elements  Access overall extent of damage resulting from earthquakeSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  21. 21. The Washington MonumentDistress Exterior and Interior  Spalls and Incipient Spalls  Cracks  Displaced Stones  Loose MortarSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  22. 22. The Washington MonumentDistress Exterior and Interior  Spalls and Incipient Spalls  Cracks  Displaced Stones  Loose MortarSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  23. 23. The Washington MonumentDistressSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  24. 24. The Washington MonumentDistressSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  25. 25. The Washington MonumentDistressSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  26. 26. The Washington MonumentDistressSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  27. 27. The Washington MonumentDistressSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  28. 28. The Washington MonumentCritical Events and Activities Preparation for Hurricane Irene  Application of Sealant from Interior into Large Cracks and Joints Where Daylight was VisibleSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  29. 29. The Washington National Cathedral Overall Length: 517ft Width of Nave: 142 ft Height of Nave: 102 ft Central Tower Height: 301 ft West Towers Height: 234 ftSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  30. 30. The Washington National CathedralSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  31. 31. The Washington National CathedralSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  32. 32. The Washington National CathedralCritical Events and Activities Make Safe Operations Interior  Debris Netting System  Close-Range Survey Exterior  Chain Link FenceSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  33. 33. The Washington National CathedralCritical Events and Activities Survey/Documentation of Seismic Damage  Visual survey of exterior building elements  Identifying unstable elements  Access overall extent of damage resulting from earthquakeSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  34. 34. The Washington National CathedralCritical Events and Activities Preparation for 9/11 Ceremony  Pedestrian tunnels  Develop an emergency routing plan  Install debris netting and working platform around Central TowerSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  35. 35. The Washington National CathedralCritical Events and Activities Preparation for Hurricane Irene  Weather-in the roof above the Sanctuary Overcroft  Stabilize intermediate pinnacles at perimeter wallsSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  36. 36. The Washington National CathedralCritical Events and Activities DAT of Central and West TowersSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  37. 37. The Washington National CathedralOngoing Efforts Dismantling of Central and West Tower Turrets and PinnaclesSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  38. 38. The Washington National CathedralDistress Interior  Bond line failures  Isolated locations of unstable mortar  Step cracks  Limestone spalls  Cracks in boss stone, ribs, and ceiling interface  Loss of mortarSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  39. 39. The Washington National CathedralDistress Exterior Northwest Entrance Roof  Damage to metal roof and stone parapet from finialSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  40. 40. The Washington National CathedralDistress Exterior Nave  Pinnacle damageSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  41. 41. The Washington National CathedralDistress Exterior North Transept  Damage to metal roof from finial and pinnacles  Pinnacle damageSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  42. 42. The Washington National CathedralDistress Exterior South Transept  Damage to metal roof from stones  Pinnacle damage  Turret damage  Gargoyle head severedSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  43. 43. The Washington National CathedralDistress Exterior Choir/Sanctuary  Damage to metal roof from stones  Pinnacle damage  Spalls at parapetsSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  44. 44. The Washington National CathedralDistress Exterior Apse  Damage to buttresses  Pinnacle damage  Spalls at parapetsSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  45. 45. The Washington National CathedralDistress Exterior West Towers  Missing finial  Pinnacle damageSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  46. 46. The Washington National CathedralDistress Exterior Central Towers  Roof damage  Pinnacle damageSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com
  47. 47. Seismic Assessment of the WashingtonMonument and the National Cathedral Questions? Erik Sohn Senior Associate Washington, DCSeismic Assessment of the Washington Monument and the Washington National Cathedral www.wje.com

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