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PROJECT STORIES

GBM

GBM 4800 Series, GBM 240A

400-760 mm (16-30-in.) Steel Casing, 89 m (292-lf.); 400-900 mm (16-36-in.) Steel Casing, 93 m (305-lf.)

GBM 4800 Series, GBM 308A , PCH 36

14, 36-in. (350-900 mm) Steel Casing

Pilot Tube Maintenance

GBM 308A, Eliminator

300 mm (12-in.) DN300, 99 m (325-lf.)

GBM 240A, 595-lf. (181 m)

Guided Auger Boring - Pilot Tube Record

GBM 4812A, PCH 44

36-in. (900 mm) RCP, 2,955-lf. (897 m)

GBM 240A, Guided Auger Boring

Guided Auger Boring - Pilot tube, completed with 18-in. (450 mm) Steel Casing, 210-lf. (64 m)

GBM 4812A, GBM 308A, PCH 36

15, 18, 21, 27-in. (380-690 mm) VCP, 10,007-lf. (3,050 m)

GBM 240A, Guided Auger Boring/Pipe Ramming

Pipe Ramming - Pilot tube, completed with 3 m OD Steel Casing

GBM 240A, PCH 20

400-450 mm (16, 18-in.) VCP, 487 m (1,598-lf.)

GBM 308A, Guided Auger Boring

8, 12, 18, 21-in. (200-530 mm) VCP, 7,087-lf. (2,106 m)

GBM 308A, PCH 22.5

DN500 (20-in.) RCP, 1,500 m (4,921-lf.)

Microtunneling

SL86P MTBM, AZ100 TGS

1,800 mm (70.8-in.), 576 m (1,890-lf.)

SL60C MTBM, MT875K

60-in. (1,500 mm) Flowtite, 6,464-lf.

SL60C MTBM, MT875K

60-in. (1,500 mm) Flowtite, 6,464-lf.

SL60C MTBM, MT860K

1,200 mm (48-in.) RCP, 852 m (2,795-lf.)

SL60C MTBM, SL74C MTBM, MT860K

48, 72-in. (1,220, 1,830 mm) RCP, 4,000 & 7,000-lf. (1,220 & 2,134 m)

SL60C MTBM, MT460

60-in. (1,500 mm), 236-lf. (72 m)

SL60C MTBM, MT875K

60-in. (1,500 mm) RCP, 1,292-lf. (394 m)

SL30C, SL60C, SL74C MTBMs

30, 36, 48, 54, 60, 72-in. (760-1,830 mm) RCP & Hobas, 11,976-lf. (3,650 m)

SL52.5C MTBM, TBM 480, TBM 600

48, 60-in. (1,170, 1,500 mm) RCP, 627-lf. (191 m)

SL74C MTBM

83-in. (2.1 m) Hobas, 2,023-lf. (617 m)

SL60C MTBM, SL52.5C MTBM, GBM 4812A, PCH 22.5

48-in. RCP & Hobas, 57-in. (1,448 mm) Hobas, 4,290-lf. (1,308 m)

Slurry Trunk Line, Cables

Technician's Recommendations

SL46C MTBM, MT860K

44-in. (1,120 mm) Permalok, 950-lf. (290 m)

Pipe Jacking/Tunneling

TBM 720 Series II, Mixed-Ground Disc Cutterhead

98-in. (2.5 m) Rib and Board Tunnel, 766-lf. (233 m)

TBM 540, 5000 Pump Unit

66-in. (1,680 mm) Steel Casing, 540-lf. (165 m)

TBM 480, 5000 Pump Unit

58-in. (1,470 mm) Steel Casing, 2,027-lf. (618 m)

TBM 360, TBM 420, TBM 48SC, TBM 480, TBM 600, 5000 Pump Unit, GBM 4812A, PCH 20, PCH 36

18-72-in. (450-1,800 mm) RCP and Steel Casing, 14,587-lf. (4,446 m)

WM54SC, 5000 Pump Unit

54-in. (1,370 mm) Steel Casing, 1,600-lf. (488 m)

EPBM

EPBM 116, SL60C MTBM

96-in. (2.4 m) RCP & 72-in. (1,800 mm) RCP, 3,870-lf. (914 m)

EPBM 108

102-in. (2.6 m), 2,000-lf. (610 m)