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The William Hackett second generation SS-L5 Offshore lever hoist is the first lever hoist to get an award from DNVGL. The report verifies that the SS-L5 type lever hoist could be safely used over a 21 day single immersion and a 31 day multi immersion period. As well as this, the SS-L5 is developed in line with:
- BP document DEV-AAD-SS-SD-BP-0545. ‘Specification and compliance requirements for lever hoists used subsea on BP projects’
- IMCA DO28 Rev. 1 ‘Guidance on the use of chain lever hoists in the offshore subsea environment’.
- IMCA Document SEL-019:2007, Guidance for Lifting Operations
The SS-L5 also meets and exceeds the requirements of the following international standards:
British and European Standard BS EN13157: 2004 + AI: 2009
American Standard ASME B30.21-2014
Australian Standard AS 1418.2-1997
South African SANS 1636:2-2007 NORSOK R-002: 2017.
Also, the Hackett offshore lever hoist has an operating temperature range of -40°C to +55°C.
The design and specification of the SS-L5 lever hoist includes:
- WORKING LOAD LIMIT RANGE: 800kg to 10 tonnes.
- LIGHT LOAD CAPABILITY: the SS-L5 is at 2% of the lever hoist rated capacity.
- DABS (DUAL ANTI-LOCK BRAKE SYSTEM): Enables the chain to adjust in freewheel mode without locking the brake.
- CONSTRUCTION AND DESIGN: Minimises contamination to the internal mechanism and brake surfaces.
- STAINLESS STEEL PAWL SPRINGS: secured to reduce risk of damage.
- STAINLESS STEEL FIXINGS: All internal springs are stainless steel. Circ clips secure the pawls onto the pawl stands. Additionally, stainless steel nyloc nuts and a socket head cap screws secure all hook housing
- SINTERED/FUSED FRICTION MATERIAL: Directly attached to ratchet gear. Grooves in the friction material divert water from the friction surface during subsea operations.
- LOAD CHAIN: By BS EN818-7 Grade T(8).
- CORROSION PROTECTED: The complete brake mechanism is anti corrosion.
- HIGH PERFORMANCE WATERPROOF GREASE: Used throughout the hoist enhancing the corrosion protection.
- ADJUSTABLE TRAVELLING END STOP: The end stop allows positioning at any point along the slack section of the load chain. When the lever hoist is in a final rigged position, it is possible to position the traveling end stop next to the SS-L5 lever hoist body. Consequently, pay out of the chain for whatever reason when the lever hoist becomes operative again is prevented.
- OVERLOAD LIMITER: This is also available as an option upon request.
Part Code | WLL Tonnes | No. of falls | Load Chain mm | Standard Lift m | a mm | b mm | c mm | d mm | e mm | h mm | Mass kg | Extra Weight Per m kg |
---|---|---|---|---|---|---|---|---|---|---|---|---|
033.080 | 0.80 | 1 | 5.6 x 17 | 1.5 | 148.0 | 121 | 41.5 | 265 | 28.0 | 280 | 6.20 | 0.70 |
033.160 | 1.60 | 1 | 7.1 x 21 | 1.5 | 165.5 | 141 | 52.0 | 350 | 33.0 | 350 | 9.60 | 1.10 |
033.320 | 3.20 | 1 | 10.0 x 30 | 1.5 | 194.5 | 178 | 61.9 | 415 | 42.5 | 420 | 15.50 | 2.20 |
033.630 | 6.30 | 2 | 10.0 x 30 | 1.5 | 194.5 | 228 | 84.3 | 415 | 51.0 | 570 | 27.00 | 4.40 |
033.900 | 9.00 | 3 | 10.0 x 30 | 1.5 | 194.5 | 310 | 88.0 | 415 | 56.0 | 680 | 38.30 | 6.60 |
033/1500 | 15.00 | 6 | 10.0 x 30 | 1.5 | 194.5 | 420 | - | 415 | 80.0 | 1000 | 90.00 | 13.20 |