GENERATIONS OF UNDERGROUND EXPERIENCE
Marra Services Inc is an experienced Cleveland based underground and waterway Contractor. Our services include:
Hand mined Tunneling
Trenchless Tunnel Rehab
Flow Control Systems
Cast-In-Place Concrete Structures
Spray Liners & Coatings
Safety, Honesty & Quality
Soldier Pile & Lagging
We take digging holes to another level. MSI has excavated many shafts as deep as 200+ feet deep in a wide range of ground conditions, managing significant ground water as needed all the way down. We will happily hand mine inceptor tunnels at various points in the excavation.
HAND MINED TUNNELS
MSI has hand mined thousands of feet of tunnels ranging 36” diameter and up in various ground conditions. We use customized pipe jacking stations to advance the specified tunnel pipe as we mine. When we reach the desired tunnel length and slope, the pipe is grouted in place. Pipe materials includes steel, reinforced concrete, or fiberglass pipe and more.
CIP & Precast Replacment
Certified Mr Manhole Installer
Certified Lining System Installer (multiple materials)
TRENCHLESS TUNNEL/SEWER REHAB
Spray on Lining
MSI specializes in repairing damaged or failing tunnel systems from the inside including old brick sewers, concrete tunnels, box culverts, fiberglass pipe, corrugated pipe and more. We have your trenchless solution from spot repairs, spray on lining systems, to slip lining the damaged host pipe with a brand new pipe system. Our experienced crews are ready to get your tunnel back to full structural and hydraulic capacity.
FLOW CONTROL & BYPASS PUMPING
In-line Flumes Systems
Floating work platforms
MSI has designed and installed 100’s of flow control systems during sewer repair projects, dam repairs, as well as canal and waterway projects. This includes in-line flume systems, river diversions, bypass pumping, floating work platforms and more. MSI is dedicated to keeping your system flowing during the project with zero down time. Whatever the required flow, we are up for the challenge.
700 E 73rd St, Cleveland, OH 44103, USA