Audit | Implementation | Optimisation
Optimising sprayed concrete, pre-excavation grouting and ground support systems for safer, more efficient underground construction.
We help make difficult underground conditions easier to manage. By combining specialist technical knowledge with hands-on, site-based experience, we provide clear, practical solutions that work in the real world — reducing risk, improving performance and supporting successful project delivery.
At Trelayne Technical Services, we combine decades of hands-on experience with cutting-edge material expertise to deliver safer, more efficient underground construction. Led by industry veteran Nick Chittenden, we provide independent consulting, practical site support and strategic optimisation for sprayed concrete, ground support systems, and grouting operations.
Specialist material selection, mix design and application optimisation for underground structures.
Learn MoreTargeted grouting programmes to manage groundwater and stabilise ground conditions ahead of excavation.
Learn MoreSelection and optimisation of anchoring grout systems for safe, reliable ground support in challenging conditions.
Learn MoreHands-on site presence and supplier liaison to ensure materials perform as specified throughout the project lifecycle.
Learn MoreSpecialist underground materials expertise
Practical site solutions, not theoretical advice
Measurable improvements in production, safety, and cost
Support from audit stage through to implementation and optimisation
UK based, delivering support globally

Nick Chittenden
Nick Chittenden brings nearly 40 years of international experience in underground construction, sprayed concrete and ground support. He is widely recognised in the tunnelling community for driving improved material performance and operator competence.
Ready to improve performance, reduce waste and optimise your operations?