GRP MANHOLES
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Pre-formed Manhole Liners, Benching, In-Situ GRP Lining and Ladders
• The manhole is a cylinder that can be provided with a benching unit, cover slabs with a round or square opening, and the lugs fixed as per the appropriate project drawings.
• The GRP manhole liner is a watertight thermoplastic concrete protective liner (CPL). The design of the manhole liner is essential for long-term manhole protection and efficient water transmission.
GRP Manholes and chambers are designed for:
• Inspection and maintenance of drains or sewers.
• Ventilation of drains or sewers.
• Flow conditions change of a medium.
• Change of direction, change of pressure,
• change of water flow rate
• Cleaning and flushing of drains and sewers
• The housing of pumping stations.
• Inlet drain pits.