Model HFM-135 LARS

Model HFM-135 LARS

Model HFM-135 LARS

Model HFM-135 LARS

Quality A-frame and Crane Based LARS

The HFM-135 LARS was developed by Subsea Innovation to give a greater outreach and to allow the boom to reach the horizontal position. This is a specific advantage for vessels with high free boards. This positions the ROV closer to the water and reduces the pendulum affect during launch and recovery. This system can be fitted with an integral sliding deck which can be used to position the ROV or toolskid in different locations along the skidbase for maintenance purposes. Generally the construction of the hydraulically controlled swing frame complete with self fleeting sheave wheel ensures the umbilical is not damaged during high loadings in deep waters. The base frame is strengthened to avoid the need for large seafastening or expensive modifications to vessel decks. Installing all the hydraulic components in a single operating panel makes maintenance extremely easy. The design capacity is 45 Te design (15 Te SWL) @ 30 degrees side load with the possibility of increasing this by hydraulically retracting the boom during operation.

Technical Specification

  • Safe working load (SWL): 15 Te
  • Global design factor: 3
  • Test load: 45 Te
  • Outreach: 6.5m
  • Skidbase dimensions: 4m wide x 6m long
  • Gross weight: 35 Te
  • Telescopic boom extension: 2m
  • Operating envelope: 30 degs inboard / 90 degs outboard
  • Design temperature: -20 to +50 degC

Hydraulic Functions

  • A-frame in / out
  • Boom extension
  • Snubber drive (through axis)
  • Snubber drive (cross axis)
  • Snubber damping (through axis)
  • Snubber damping (cross axis)
  • Latch rotate
  • Failsafe latch assembly
  • Sliding deck

Special Features

  • Winch fleet angle compensating sheave
  • Extendible boom for height adjustment, controlled landing and SWL increase
  • Hydraulic tilting of latch/sheave wheel angle for deep water deployment
  • Sliding deck for maintenance positioning of ROV / toolskid
  • Controlled hydraulic damping of latch head for rough weather
  • All moving points piped to accessible lubrication bulkhead
  • Stainless steel hydraulic fittings throughout

Optional Extras

  • HPU
  • Umbilical ROV winch
  • TMS
  • Radio control
  • Hydraulic gates
  • Snubber walkway
  • Line-out encoders
  • MRU integration
  • Driven sliding pallet

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