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MANHOLE REHABILITATION

Manholes on sewer and drainage networks are fixed structures that allow access into the network for service and maintenance work. Manholes are at risk of service and structural defects in the same way the network is.

Example Problems:

Infiltration from ground water around the manhole.
Hydrogen Sulphide (H2S) Can cause surface spalding to concrete and structural damage to the manhole structures.
Exfiltration of sewage into waterways.
Structural defects such as cracks and fractures.

Drainforce can provide innovative solutions for the repair and maintenance of manholes and chambers by the following techniques:

UV Lining

Drainforce are able to UV Line chambers and Manholes with a full structural Liner. A UV liner is inverted into the chamber and shaft and inflated with Air. A UV light train is then inserted and used to cure the liner to allow for a structural rehabilitation of the manhole.

M Coating title

The M Coating can be used on any shape structure ranging from 500mm to 1200m. The system works by using a centrifuge spray technique. Wall shafts of up to 10 metres deep can be coated. It's an automatic system where no human entry is required into the shaft making the operation safe and efficient.

Cleaning

The first operation is the cleaning of the manhole using the TSS fully automated cleaning machine which turn though a 360 degree angle with pressures up to 350 bar.

Coating

The coating process is based on an integrated system consisting of a mixer, a pump and a centrifugal spray. All three components are fully automated. For loading the grout or controlling the mixer and pump, only one operator is needed. The centrifugal spray attached to the gantry-mounted winch is guided up and down the shaft at constant speed by a second operator.

Manhole lined
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Apply coating
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Cross-section manhole coating
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Completed coating
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Manhole cleaning
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Cross-section manhole cleaning
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Quality Assurance

The M-COATING automated system removes many of the sources of error in substrate preparation and the subsequent coating process. It also offers user-friendly operation and an improved level of safety. A quality assurance handbook provides the operator with a guide to the very best renovation practice, and the client with additional reassurance thanks to a quality assurance certificate issued for every shaft. renovated by the M-COATING process. M-COATING is tested by M-COATING TSSR is tested by M-Coating has achieved DIBt certificate nZ-53.5-461 „Coating mortar ERGELIT-KS1 and injection mortar ERGELIT-KBi for the rehabilitation of wastewater collection systems and inspection shafts, using the M-Coating process.“ Request references, certificates, site reports or videos. We currently have a large amount of information about renovation available for your use, at www.hermes-technolgie.de ERGELIT-KS is independently inspected by the MPA NRW. These ERGELIT-mortars meet the specifications set out in GSTT Information Sheet nº 18 and DWA M 143-17. TECHNOLOGIE HERMES Ltd.