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Restoration Preservation Masonry, Inc. V. Grove Europe, Ltd.

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Presentation on theme: "Restoration Preservation Masonry, Inc. V. Grove Europe, Ltd."— Presentation transcript:

1 Restoration Preservation Masonry, Inc. V. Grove Europe, Ltd.

2 Accident Site - Longwood Towers 20 Chapel Street, Brookline, MA

3 Building B Accident Site - Longwood Towers 20 Chapel Street, Brookline, MA

4 Building B Accident work area in southeast corner

5 Building B Accident work area in southeast corner

6 Building B Accident work area in southeast corner

7 Accident work area in southeast corner - Perspective View

8 Construction project involved removal of bricks and bull-nose water stone because of water infiltration and leakage issues.

9 Work area is approx. 80’ above the ground 80 feet

10 Southeast corner perspective Work area

11 Access Satellite scaffolding set-up

12 Chassis assembly Main platform Outriggers

13 Mast goes up in sections Access Satellite scaffolding set-up Mast attached to building with wall ties

14 Access Satellite scaffolding set-up platform extension 1 platform extension 4

15 Access Satellite scaffolding set-up platform extension 5 platform extension 2

16 Access Satellite scaffolding set-up platform extension 3 platform extension 6

17 Cantilever extensions (5) cantilever extensions (5) Access Satellite scaffolding set-up

18 Cantilever extensions - left side

19 Three different cantilever extension designs used on left side

20 Three different cantilever extension designs 7’ 8.75” 4’ 11.4” 8’ 2.2” sliding extensions

21 Access Satellite scaffolding set-up Planks set on top of cantilever extensions

22 Access Satellite scaffolding set-up plywood sheets set on top of planks

23 Planks and plywood Access Satellite scaffolding set-up

24 Guard railings Access Satellite scaffolding set-up

25 Scaffolding rides up mast

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29 View from below

30 View from above wall ties

31 View from above

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35 Area represented by scale model

36 Accident Sequence

37 Areas where bull-nose water stone was previously removed

38 Pieces are cut from bull-nose water stone approx. 5 feet from top of wall to plywood

39 Cut stone is moved to platform extension #1

40 Scaffolding collapses

41 Post-accident photos

42 Right side of Access Satellite platform post-accident platform extensions 4, 5 & 6 main platform Cantilever extensions covered with planks and plywood mast

43 Post-accident photo

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47 END


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