Rilmac Fabrication specialises in underbase manufacture, fabricating complex finished machined Underbase / Base Plates / Bedplate fabrications, for customers worldwide. Our underbase fabrication services are second to none. We have provided these for customers worldwide within the Oil and Gas, Power Generation and General Engineering Sectors.
Rilmac have implemented and perfected stringent working practices and procedures to reduce potential leak paths within the integral lube oil tank compartments. Anchored, levelled assembly frames ensure the flatness of the units are maintained. Correct joint fit up of the main structural sections is critical during the build sequence. Excessive mismatch can provide stress concentration points which lead to fatigue cracks and subsequent leak paths to the integral lube oil tank within the underbase fabrications. Our specialist knowledge and experience in tank cleanliness is essential to achieving the high standards expected from our customers.
Our expertise also means we can work with a diverse range of materials from carbon steel, low temperature steels and ferritic stainless steel (generally used for the lining of of integral tanks). The welders’ qualifications are all regularly updated and upgraded for their respective work. All our weld procedures are to BS ENISO 15164-1:2004 A1 2008 and all our welders are qualified to BS EN287-1 2011 & ASME IX-2010.
Working in partnership with our customers, we continually strive to offer the best service. Our innovative multifunctional team are dedicated to fully understanding each customer’s precise requirements. We are committed to working with our customers to provide cost effective solutions. We do this through assisting in the design to cost process, allowing the customer to make their products more cost effective.

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Contact Information
Rilmac Fabrication
Crofton Drive, Allenby Industrial Estate, Lincoln LN3 4NJ
Tel: +44 (0)1522 576535
Fax: +44 (0)1522 576582
Rilmac Holdings Ltd
Crofton Drive, Allenby Road Industrial Estate, Lincoln, Lincolnshire LN3 4NJ
Tel: 01522 531711
Fax: 01522 510291
What Our Clients Say
""Rilmac undertook a complete scaffold erection and dismantle for our Project at Poplar Farm Primary School in Grantham. From pre-start to delivery, James and the team undertook the works with great pace and working within a safe and secure manner. A true credit and testament to the values that Rilmac ascertain. The team were extremely helpful and worked with all other trades to ensure that works were erected within the correct manner and accounting for all factors that were put onto the team.
I can only personally thank James and the Team for the great work that was undertaken at Poplar Farm and it would be an extreme pleasure to work with them again.""