Storage & loading on site SOFREGAZ

Transcription

1 Large Cryogenic above ground LNG Tank Full Containment (9% inner wall + Pre-stressed concrete outer wall) Typical Construction Sequence March 4 th 2011

2 Storage & loading on site

3 Storage & loading on site

4 Storage & loading on site

5 Soil Improvement STEP 1a Soil Improvement (CMC)

6 Soil Improvement STEP 1b Controlled Modulus Columns (CMC) Bottom Slab Ground Level Working Platform Level (CMC) Transition Layer Controlled Modulus Columns

7 LNG Storage Tanks erection Concrete slab STEP 1 - Bottom Slab Corner Anchor to be installed before bottom slab concreting. Concrete Wall Corner Anchor (Carbon Steel) Bottom Slab Stud Bolt Detail of A Re-bar A Bottom Slab Ground Level

8 Concrete slab

9 Slab reinforcement & prestressing cables casing

10 LNG Storage Tanks - erection STEP 2 Concrete wall Re-bar Reinforcement Anchor Plate to be installed. Concrete Forms Reinforcement Re-bar Bottom Slab Re-bar B Detail of B Concrete Form Concrete Form Bottom Slab Ground Level

11 LNG Storage Tanks erection STEP 3 Concrete wall Re-bar Panel Reinforcement Concrete Forms C Re-bar Platform Re-bar Concrete Form Concrete Form Platform Detail of C Platform Bottom Slab Ground Level

12 LNG Storage Tanks erection STEP 4 Concrete wall Re-bar Panel Reinforcement Concrete Forms D Re-bar Panel Platform Concrete Form Hanger Platform Platform Hanger Platform Detail of D Hanger Platform Bottom Slab Ground Level

13 Jumping formwork

14 LNG Storage Tanks erection STEP 6 Assembly of roof center, outer supports & outside rain protection From Crane Outer Support Stairway Center Support Outer Support Ground Level

15 Roof structure details

16 Central temporary support

17 Roof section lifting (25t)

18 Roof section adjustment

19 General view

20 Roof plates welding

21 Rainy weather impact Taking care of rainy weather conditions on site, bottom liner will be erected & welding as soon as the metallic roof is water tight

22 LNG Storage Tanks erection STEP 7 Assembly of roof sections and liner plates From Crane From Crane Roof Rafter Top Ring Outer Support Stairway Center Support Outer Support Annular Plate Bottom Liner Plate Ground Level

23 Bottom liner plates welding

24 LNG Storage Tanks erection STEP 8 Assembly of Suspended deck Roof Suspended Rod Temporary Support Outer Support Suspended Deck Outer Support Ground Level

25 Suspended deck

26 Suspended deck welding

27 LNG Storage Tanks erection STEP 9 Insulation work on Annular space Concrete Wall Outer Support Secondary Annular Corner Anchor Inner Annular Plate Concrete Ring Beam Foam glass Perlite Concrete Detail of E Roof Suspended Rod Outer Support Suspended Deck Outer Support E Ground Level

28 LNG Storage Tanks erection STEP 10 Ring Plate(Compression Ring Plate) Ring Plate F Ring Plate Re-bar Support Detail of F Roof Suspended Deck Ground Level

29 Metallic compression ring

30 Metallic compression ring

31 LNG Storage Tanks erection STEP 11 Roof Air Raising Roof Suspended Deck Ground Level

32 Roof at lowest position

33 Venting equipment

34 Air rising

35 Connection with compression ring

36 Roof climbing

37 Final position

38 LNG Storage Tanks erection Roof Concrete STEP 13 Side Liner Plate (Vapor Barrier) Hoist 3 Installation 2 Side Liner Plate Opening Fabrication 1 Ground Level

39 Wall liner erection & welding

40 Corner protection insulation

41 Corner protection plates

42 LNG Storage Tanks erection Roof Concrete STEP 12 Roof Concreting & Pressurizing Compressor Opening Ground Level

43 Pressurization & concreting

44 Pressurization & concreting

45 LNG Storage Tanks erection STEP 14 Inner shell plates erection Roof Concrete Inner Shell Plate Opening Inner Shell Plate Inner Shell Plate Turning Table Inner Shell Plate Ground Level

46 LNG Storage Tanks erection STEP 15 Secondary barrier Roof Concrete Concrete Wall Inner Shell Plate Secondary Barrier PIR Inner Shell Plate Inner Shell Plate G Opening Detail of G Ground Level

47 Inner tank shell erection

48 Automatic welding machine

49 Welding machine Operator

50 Shell top stiffener

51 LNG Storage Tanks erection STEP 16 Bottom Insulation and Plate Roof Concrete Secondary Bottom Plate(9%Ni) Perlite Concrete Inner Bottom Plate(9&Ni) Foam Glass Inner Shell Plate Bottom Liner Plate(C.S.) Bottom Slab Detail of H Inner Shell Plate Opening H Ground Level

52 Foam Glass layers installation

53 LNG Storage Tanks erection STEP 17 Pump Column Roof Concrete Inner Shell Plate Opening Pump Column Ground Level

54 Bottom inlet stand pipe

55 Inlet top nozzle with splash plate

56 Pump column prefabrication

57 Pump column erection

58 Stilling well and bottom connection

59 Cool down ring

60 Purge piping

61 NDE

62 DIMENSIONAL

63 VACUUM BOX

64 LIQUID PENETRANT TEST

65 X-RAY INSPECTIONS

66 ALLOY MATERIAL IDENTIFICATION

67 PRESSURE TEST

68 AUTOMATIC US TEST

69 LNG Storage Tanks erection STEP 18 Hydrostatic, vacuum and Pneumatic Test PRV Inner Shell Plate Pump Column Inner Stairway Hydrostatic Test Level Ground Level

70 SEA WATER TEST

71 Pumping station

72 PRESSURE & VACUUM TEST

73 LNG Storage Tanks erection Platform Walkway STEP 19 TOP PLATFORM PRV Nozzle Suspended Deck Inner Shell Plate Staircase Pump Inner Stairway Column Ground Level

74 Metallic top platform

75

76 MAIN TOP PLATFORM

77

78

79

80

81

82 Instrumentation

83 INSTRUMENTATION

84 VACUUM VALVES

85

86 LNG Storage Tanks erection STEP 20 Wall Insulation Glass Wool Glass Wool Gondola Inner Shell Side Liner Inner Shell Outer Shell Ground Level

87 RESILIENT BLANKET

88 RESILIENT BLANKET

89 LNG Storage Tanks erection STEP 21 Dome Space Insulation & Perlite Powder Filling Walkway PRV Nozzle Perlite Filling Nozzle Glass Wool Suspended Deck Inner Shell Plate Staircase Pump Column Inner Stairway Perlite Powder Perlite Powder Ground Level

90 PERLITE FURNASE

91 PERLITE VIBRATION & RESERVE

92 SUSPENDED DECK INSULATION

93 LNG Storage Tanks erection Oxygen Platform Nitrogen Inlet Line STEP 22 Box-up and Nitrogen Purging Walkway PRV Nozzle Perlite Filling Nozzle Glass Wool or Perlite powder Suspended Deck Inner Shell Plate Staircase Pump Inner Stairway Column Nitrogen Perlite Powder Ground Level

94 DRYING EQUIPMENT

95 N2 REGASIFICATION UNIT

96 O2 ANALYSER & DEW POINT