Strand Jacks Jack Assembly Jack support beam Multistrand

Strand Jacks Jack Assembly Jack support beam Multi-strand cable Fixed anchor & housing Very heavy load

Strand Jacks Jack Components Jack (top) anchor Jack support beam Centre hole jack Multi-strand cable Fixed anchor & housing Main (bottom) anchor Very heavy load Jack support beam Multi-strand cable

Strand Jacks Jack (top) anchor Wedges Conical holes Centre hole jack Mini jacks

Strand Jacks Centre hole jack Conical holes Main (bottom) anchor Wedges Mini jacks Jack support beam

Strand Jacks Jack Components Jack (top) anchor Jack support beam Centre hole jack Multi-strand cable Fixed anchor & housing Main (bottom) anchor Very heavy load Jack support beam Multi-strand cable

Strand Jacks - Range Jack model Number of Strands Capacity (tonnes) Stroke (mm) L 15 mk. 1 1 15 250 L 15 mk. 2 1 15 450 L 50 3 15 450 L 100 7 105 300 L 180 12 180 500 L 300 19 29 450 L 450 27 405 450 L 600 37 555 450 L 750 50 750 450

Strand Jacks - Strand Vitally important to strand jacks are the strands. These are 18 mm diameter and are formed from seven wires. The seven wires are wound together to form a helix. After winding they are drawn through a die to compact and harden them. The resulting strand has a guaranteed ultimate tensile strength of 38 tonnes and a factor of safety of 2. 5 is normally applied to this to give the safe working load of 15 tonnes. Other factors of safety have been used from 2. 0 (short term load during a pulling operation) to 9. 0 (inside a nuclear containment area) but 2. 5 has been adopted as the industry norm.

Strand Jacks – Power Packs Power packs provide the oil to the jacks and can be powered by diesel engine or electric motor. All power packs have direct, panel mounted, monitoring and control systems. Further electronic monitoring can display number of lift strokes completed and individual stoke positions at each jack. Similar control and monitoring facilities can also be positioned remote from the power pack to fully computerised systems, including automatic lifting and lowering capabilities. Maximum pumping pressure, hence jack lifting force, can be pre-set or altered at will by pressure control valves on the panel.

Strand Jacks – Remote Control Remote control: The control system is a PC operated system to operate up to 20 jacks with total synchronisation. The system features are: • Lift and load sensitive detection • Overload detection • Lift counting • Adjustable equalisation of jack strokes during operation

Strand Jacks –Advantages • Comprehensive, completely automatic, remote control and monitoring where required; • Extremely precise adjustment of the lift for setting of weld gaps or the fitting of steelwork connecting bolts; • Mechanically fail-safe gripping mechanisms; • Automatic lifting and lowering without any personnel in attendance at the jacks; • Pre-set overload protection; • Easy re-distribution of the jack loads; • Automatic synchronisation of lifting speeds irrespective of loads; • Minimal maintenance of gripping mechanisms; • Ample operating speeds; • Gripping mechanisms are fully accessible at all times; • Load is held mechanically not hydraulically at any time movement is stopped; • Movement can be stopped and held indefinitely at any point in jack stroke; • Full efficiency in all attributes from vertical through to horizontal; • Completely self contained & very rugged.

Hammerfest Project Fagioli performed the erection of a 137 m high flare stack weighing 638 tonnes. It was raised using two of Fagioli 2 nd Generation Towerlift masts erected to a height of 76. 7 m. A cantilever lifting arrangement was used and required two L 450 lifting jacks and two L 300 tie-back jacks. Two SPMTs (20 axles) were used for tailing.

Sahara Project Erection of a 883 te vessel. The vessel was erected using Fagioli unguyed Towerlift system in crosshead beam arrangement. Tower height was 64. 9 m. Four L 450 strand jacks were used for lifting. Rigging included a swivel arrangement for reactor rotation. Second (smaller) vessel erected on the same site.

Gatwick Airbridge (1) The lifting system comprised of standard Fagioli PSC Towerlift masts and Strand Jacks - the configuration adopted for this operation was as follows: • Four twin base frames and eight 90 feet high rectangular (3 m x 2 m) format towers. • Towers inclined together to form Aframes. • Four twin top frames incorporating jack support beams.

Athens Stadium Fagioli carried out the lifting of the tubular arch sections forming the main members of the new Athens Olympic Stadium roof for the 2004 games Tube sections weighed up to 600 tonnes and were lifted to height of 85 metres.

Korean Airlines Hanger The hanger roof at Incheon Airport is one of the largest ever built measuring 180 m x 90 m and weighing over 5, 540 tonnes. The lift utilised two L 600 Strand Jacks on each of the six permanent support columns.

BP Pompano Roll-up The Pompano jacket is one of the world’s largest steel offshore platforms. It stands 400 m tall on a base that is 128 m square at the mudline. Fagioli were awarded a contract for the supply on hire and operation of a jacking system and associated engineering services. For the Pompano roll-up 16 Fagioli L 600 jacks, in tension frames, were fastened by slings to the outer edges of the panels. During the initial lift stage the jack system carried 7, 700 te, at 30 degrees the load on the jack system was 9, 500 te.

Yoho Deck Lifting of upper and lower deck using eight L 600 jacks and four L 300 jacks The Upper Deck weighing 740 te was lifted to a sufficient height to allow the delivery of the Main Deck, Mezzanine Deck & Trusses beneath. The Upper Deck was then lowered and connected to the assembly below. The complete assembly of Upper Deck, Main Deck, Mezzanine Deck & Trusses weighing 3, 735 te was lifted to allow the delivery and assembly of Cellar Deck & Mezzanine Deck beneath. The Upper Deck, Main Deck, Mezzanine Deck & Trusses were then lowered and connect to the assembly below.