Hirose (Thailand) Ltd. was the main contractor for the soil protection system during construction of The Siam Kempinski Hotel project. They were responsible for structure work and architectural work. The project involved driving sheet piles and king posts, installing bracing at various levels during excavation, checking sheet pile movement, backfilling, and eventually extracting the sheet piles and bracing upon completion.

1. HIROSE (THAILAND) LTD.
MAIN CONTRACTOR
SUB CONTRACTOR
Soil Protection System
Structure Work
Architectural Work
THE SIAM KEMPINSKI HOTEL

2. PROJECT:
THE SIAM KEMPINSKI HOTEL
HIROSE (THAILAND) LTD.

3. Siam Paragon
Site
Construction
คลองแสนแสบ
วังสระปทุม
วัดสระปทุมวนาราม
HIROSE (THAILAND) LTD.
SiteLocation

5. Siam Paragon
Siam
Square
PlantConcrete
prathumwanaramTemple
Saprathum
Palace
Bangkok
Apartment
AoracholCanal
HIROSE (THAILAND) LTD.
SiteLay-Out& Access of Work

6. Zoning
Zone 1
Zone 3
Zone 4
Zone 2
HIROSE (THAILAND) LTD.

7. 3
1
2
Plan of DrivingSheet Piles HIROSE (THAILAND) LTD.

8. DrivingKingPosts
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HIROSE (THAILAND) LTD.

9. InstallationPlatform HIROSE (THAILAND) LTD.

10. InstallationBracing 1st & 2nd Layer HIROSE (THAILAND) LTD.

11. -16.00m
-18.00m
FSP4 L=16.00m
H-300x300x10x15 L=18.00m
0.000.000.00
DrivingSheet Piles & KingPosts
Sheet Pile
King Post
Silent Piler
HIROSE (THAILAND) LTD.

12. -16.00m
-18.00m
FSP4 L=16.00m
H-300x300x10x15 L=18.00m
0.00
-1.50
1.50
ExcavateforInstall Platform(-1.50m.) HIROSE (THAILAND) LTD.

13. -16.00m
-18.00m
FSP4 L=16.00m
H-300x300x10x15 L=18.00m
-1.50
0.00 PLATFORM +0.00
1.50
InstallationPlatform(+0.00m.) HIROSE (THAILAND) LTD.

14. -16.00m
-18.00m
FSP4 L=16.00m
H-300x300x10x15 L=18.00m
-2.30
0.00 PLATFORM +0.00
2.30
ExcavateforInstall Bracing 1st Layer HIROSE (THAILAND) LTD.

15. -16.00m
-18.00m
FSP4 L=16.00m
H-300x300x10x15 L=18.00m
2.30
-2.30
0.00 PACKING CONCRETE
-1.50 1ST STRUT ;35HA(H350X350X12X19)
PLATFORM +0.00
Pre-Load 40%of Design Load
InstallationBracing 1st Layer
H
HIROSE (THAILAND) LTD.

16. -16.00m
-18.00m
FSP4 L=16.00m
H-300x300x10x15 L=18.00m
-4.50
PLATFORM +0.00
1ST STRUT
0.00
ExcavateforInstall Bracing 2nd Layer
AndCheckMovementof SheetPileby Inclinometer
INCLINOMETER
HIROSE (THAILAND) LTD.

17. x
-16.00m
-18.00m
FSP4 L=16.00m
H-300x300x10x15 L=18.00m
-4.50
0.00 PLATFORM +0.00
1ST STRUT
MOVEMENT
CHECKING
-4.50
0.50
DEFLECTION OF CHECKING
POINT LESS THAN 3.12 CM.
Check Movement of Sheet Pile HIROSE (THAILAND) LTD.

18. Pre-Load 40%of Design Load
-16.00m
-18.00m
FSP4 L=16.00m
H-300x300x10x15 L=18.00m
-4.50
0.00 PLATFORM +0.00
1ST STRUT -1.50m
2nd STRUT -4.00m
PACKING CONCRETE
InstallationBracing 2nd Layer HIROSE (THAILAND) LTD.

19. -16.00m
-18.00m
FSP4 L=16.00m
H-300x300x10x15 L=18.00m
0.00 PLATFORM +0.00
1ST STRUT -1.50
2nd STRUT -4.00
-4.50
-4.50
-5.80
-7.60
LEAN CONCRETE
ExcavatetoLevel of Sub Structure HIROSE (THAILAND) LTD.

20. -16.00m
-18.00m
FSP4 L=16.00m
H-300x300x10x15 L=18.00m
0.00 PLATFORM +0.00
1ST STRUT -1.50
2nd STRUT -4.00
0.00
-5.50
FSP3 L=8.00m
1.00m
-4.775
PACKING CONCRETE
LEAN CONCRETE
DrivingInnerSheet Pile&Bracing 3rd Layer
No Pre-Load-4.50
LEAN CONCRETE
-8.13
7.60
5.80
HIROSE (THAILAND) LTD.

21. -16.00m
-18.00m
FSP4 L=16.00m
H-300x300x10x15 L=18.00
PLATFORM +0.00
1ST STRUT -1.50
2nd STRUT -4.00
-5.65
FSP3 L=8.00m
Remove Bracing3rd Layer&InnerSheet Pile
SAND BACK FILL
0.00 0.00
HIROSE (THAILAND) LTD.

22. -5.80
-16.00m
-18.00m
FSP4 L=16.00m
H-300x300x10x15 L=18.00m
0.00 PLATFORM +0.00
1ST STRUT -1.50
2nd STRUT -4.00
0.00
Sub Structure& Back Fill Work
-4.10-5.00
Lean Concrete
HIROSE (THAILAND) LTD.

23. -16.00m
-18.00m
FSP4 L=16.00m
H-300x300x10x15 L=18.00m
0.00 PLATFORM +0.00
1ST STRUT -1.50
2nd STRUT 4.00
0.00
RemovalBracing 2nd Layer
-2.00
RemovalBracing 1st LayerExtractionSheet Pile & KingPost
Lean Concrete
Lean Concrete
InstallationRakingStrutRemovalRakingStrut
Cement Grouting
HIROSE (THAILAND) LTD.

24. Soil Protection Work
PICTURES
Of

25. Driving Sheet Pile by Silent Piler

26. Driving King Post by Vibro Hammer

27. Driving King Post by Vibro Hammer

28. Excavation for Install Platform at Level -1.50 m.

29. Welding Top Plate for Install Platform

30. Installation Sleeper Beam

31. Installation Floor Joist Beam

32. Installation Sleeper Beam & Floor Joist Beam

33. Installation Platform

34. Installation Platform Work

35. Excavation for Install Bracing 1st Layer (-2.30m)

36. Installation Bracket for Support Bracing

37. Installation Bracing 1st Layer (-2.30m)

38. Fabrication Bracing System by Bolt & Nuts

39. Installation Bracing System 1st (-1.50m) Complete

40. Preloading 40% of Design Load

41. Excavation to Level -4.50m for Install Bracing 2nd

42. Excavation to Level -4.50m Complete

43. Check Movement of Sheet Pile by Survey

44. Check Movement of Sheet Pile by Inclinometer

45. Installation Bracing 2nd Layer at Level -4.00m

46. Installation Bracing 2nd Layer at Level -4.00m

47. Preloading 40% of Design Load

48. Check Pressure in Strut form PRESSURE GAUGE Every day

49. Excavate to Level of Sub Structure

50. Driving Inner Sheet Pile

51. Driving Inner Sheet Pile

52. Installation Raking Strut

53. 000000000000000000000

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55. Sand Back Fill Work

56. Extract Sheet Pile with Cement Grouting

57. Extraction King Post

58. HIROSE (THAILAND) LTD.