Congress has already approved funding for Portsmouth Naval Shipyard for paint, blast and rubber facility consolidation, consolidated warehouse replacement, Dry Dock 1 superflood basin and an extended portal crane
Zhang, "The safety evaluation for gantry system of portal crane
based on the grey theory and analytic hierarchy process," Journal of Fuzhou University (Natural Science Edition), vol.
The log sorting is managed by a portal crane
which runs on tracks 120m long and is the first of its kind to be used in a sawmill in the UK.
The HSE investigation found that while Mr Watson was trained to operate a dockside portal crane
, he had no formal qualifications in lifting and slinging of loads.
It runs a floating dock and a slipway covered by a portal crane
of 100 tonnes.
The order includes 23 process cranes with lifting capacities of up to 55 tonnes, two semi-portal cranes, one full portal crane
and two standard cranes.
Airwing supplies are delivered pierside by trucks, transported to a loading area with forklifts and lifted directly to the flight deck by a 330-thousand pound capacity Ship Repair Facility and Japan Regional Maintenance Center portal crane