REPAIR APPLICATIONS
MANHOLES
Repairing and waterproofing manholes is crucial to ensure the safety and functionality of sewage and drainage systems. Manholes provide access points for maintenance and inspection of underground infrastructure, and when they are not adequately maintained, they can lead to serious issues.
WHY TENERA
Trusted by major government, industrial, and commercial clients, Tenera has also worked with over 300 Property Managers providing specialised solutions.
OUR SERVICES
INSPECTION
SCOPE DEFINITION
APPLICATION DESIGN
TENDER PACKAGE
PROJECT SUPERVISION
A full range of services, from site inspection to job certification and reporting.
WHAT CAN GO WRONG
Manhole leaks – caused by tree root penetration, cracks, and concrete delamination – can overload sewer capacity, which will lead to further structural degradation.
WHAT CAN BE DONE
A TYPICAL SCOPE
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Tree root and incrustation removal
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Crack repair
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Patching and/or parging
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Cold joint waterproofing
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Riser joint injection
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Coating
REPAIR METHODS
COLD JOINTS
Repair Method
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The following steps are specified for cold joint waterproofing:
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Clean the wall surface.
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Chip out the cold joint to the depth of one inch.
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Stop any active leaks with black cement and dry the surface with a torch.
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Coat with a waterproofing material.
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Apply adhesive over the waterproofing material, as well as part of the wall and floor.
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Install a continuous patch along the cold joint, forming a 45° angle.
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Coat the patch with a waterproofing material, extending it on both sides.
THE RESULTS
BENEFITS OF HIRING TENERA
Tenera offers a hassle-free approach to manhole repair, providing a full scope of services, from inspection to job certification and reporting. Tenera’s professionals can help with all the steps of the scope or only with those required by the client.
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Comprehensive inspection
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Application design specific to each pit
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Project tendering & awarding
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Project supervision
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Job completion certification
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Reporting