PRODUCTION RATE	CREW	PLANT	WORKING CONDITION
240-350 m (penetration)/rig.d, or 2.3-3.3 m/rig.d (on plan)	- 1 captain; - 1 crane operator; - 2 vibro controllers; - 1 vibro power pack operator; - about 5 welders	- Crane barge; - 8 or 12 ton vibro hammer with power pack; - Material barge; - Tug boat (shared use)	- Soft to media sandy clay; - 42m deep; - Can be 2 barge working cooperatively: 1st (light weight vibro pitching, 2nd (heavy weight vibro) tapping to the design level - Driving in pair of sheet piles

NOTE:
1) Typical crane barge size: 40-45m x 13-15m;
2) Anchor length (2 nos. and crossing, at both ends): the longer, the stable. Minimum 20m (1:2), normally 40m (1:1);
3) Crane lifting capacity 150t can lift up to 12t vibro hammer.

 

TYPICAL PHOTOGRAPHS

A typical layout when piling for marine sheet piles

Sheet pile fabrication yard - to join 2 pieces of sheet piles (12m, 14m, 16m) by butt welding and splice plate

Interlocking 2 pieces of sheet piles to become a pair

Install a guide beam before driving sheet piles

Close view of the guide beams

Driving marine sheet pile using vibro hammer from crane barge

Sheet pile installation pattern - alternate pitching and driving (neighbouring welding splice staggered)

CROSS REFERENCE
Sheet piling technologies