HH-270: Slewing LARS Specification
Main Base c/w Slewing A-frame:
- A-Frame self erects with no pin changes for less manual involvement
- Base footprint: 6048mm x 2438 x 3000 (L x W x H)
- Constructed from quard 400 plate steel. Minimum operating temperature -20°c
- Max outreach: 7000mm
- Max live SWL: 10000kg
- ‘A’ frame operated by 2 x hydraulic cylinders having chrome on St/St rods.
- Telescopic boom operated by 2 x hydraulic rams having chrome on stainless steel rods
- Main A-frame and winch rotates 310 degrees for launching position
- Base of winch and A-frame fitted with 2 x small hydraulic rams to be used as slewing locks when in recovered or launch position.
- Mountings for snubber on main a-frame arm
- Base supplied with 8 x twist lock pockets for mounting to the deck
- System supplied with Radio remote control with all functions operated from the belly pack including AHC.
- Auto Greasers fitted to all hard to access area’s
- 3-ton SWL Tugger winch to be fitted to main A-frame top beam to assist with cage lifting operations
Winch:
- 1200mm-diameter drum with a 4000m capacity of 17mm +/- 0.5mm umbilical
- Drum length is 800mm between cheeks
- Drum outside diameter of cheeks: 1600mm
- Winch fitted with Constant Tension function and control system to set tension from 0-6500KG
- Max line pull: 6500kg SWL at core
- Line speed: 40m per minute in normal operation & 120m for AHC
- Winch constructed from S355J2 (50D) Steel.
- Cast iron static junction boxes 3000v rated
AHC & Remote Operation:
- Operational capability of 6m in 10 seconds
- Control system to be supplied with full remote operations platform on HMI screen or IP address supply controls page for operation of the LARS
- Control system supplied with Umbilical management functionality
- Control system logging of all operations
- Continuous Monitoring of vessel motion whilst in AHC
HPU:
- Prime mover: 1 x 37K.W
- Single Stater: 1 x 37K.W Star /Delta c/w isolator and control fuses. IP65 stainless steel enclosure
- Tank Suitable capacity tank c/w all filtration, level gauge and filler breather, to spec
- Tank fitted with feedback sensors and alarms for low/high oil level low/high temperature
- Hydraulically driven air blast oil cooler