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Production
Heavy fabrications from structural girders through crane structures, hydro, nuclear and industrial plant to offshore and specialist fabrications in high quality and stainless
steels to FV grades. Production capacity circa 10,000 tonnes pa.
Bridgeworks comprising Warren, Vierendeel, and Bowstring truss, beam and plate girders are designed and detailed in house.
Fabricated lengths of up to 50m can be accommodated within the workshops.
Craneage View Photo
6 No EOT & 4 No semi goliath cranes rated at 30, 25, 15, 10 & 3 tonnes. Forklift and side loaders increase the versatility for handling outside the factory buildings.
The above arrangements give us 65 tonnes heavy lift capacity within the fabrication shop.
Profiling View Photo
2 No CNC controlled oxy-propane profile burners each with 5 to 10 self setting heads with a maximum thickness capacity of 200mm and a bed length of 25m. Also facilities for plasma cutting.
Supported by an Alpha Cam nesting program, Win steel/win-nest software with DSTV import facility.
Plate Girder Assembly Line View Photo
Hydraulic Bed for plate girder assembly complete with submerged arc welding beds.
Cambering/Straightening Press
250 tonne hydraulic ram-maximum beam width 1000mm.
Bending
2 No brake presses of 150 and 300 tonne capacity.
Maximum plate size 3m x 20mm.
Welding View Photo
40 No sets MIG 400 amp.
7 No sets Sub-arc 600 amp.
Welders
30 fully qualified welders to EN287/288 minimum approval and ASME 9 including MMA, MIG, GSFCAW, EEMUA 158 and sub-arc.
Platers
42 Platers
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Cutting
1 No band-saw of 700 x 340 section capacity
Guillotine
1 No Guillotine. Maximum plate size 3m x 12mm.
Drilling
1 CNC Drilling line with 12 x 1 m table.
2 No radial arm drills.
Punches
2 No punches capable of 22 diameter holes in 20mm plate.
Inspection
Separate QA department answerable to the Managing Director. A range of equipment is available such as theodolite and total station for setting out, together with all facilities for NDT of welds and checking of paint thickness.
Shot blast View Photo
Automatic plant achieving SA2.5 finish.
Storage
2000 mē exposed area
200 tonnes plate stockyard
Stockyard served by 15 tonne semi goliath crane.
CAD
We have the ability to read CAD drawings prepared in .dxf / .dwg format and process DSTV data files.
Quality Assurance
Certified by Lloyds Register to ISO 9001:2000
Certificate number 871431
RQSC
We are also quality assured by Amec, BNFL, Rolls Royce, Heerema & Harnischfeger Corporation .
Trade Associations
Allerton Engineering is a member of;
British Constructional Steelwork Association, The Steel Construction Institute. NEMOC. We are represented on the Steel Bridge Group.
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