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GRP Manhole

GRP Manhole

Salient Features

  • Light Weight: Easy to handle during maintenance and cleaning of drains
  • High Strength
  • Excellent wear- corrosion resistant, rust-proof, not affected by sewage, chemicals in water and sea water
  • Excellent abrasion resistance
  • No erosion due to rain water and moving vehicles
  • Temperature Resistant from -40O C to 80O C
  • No Environmental Degradation
  • High Load Capacities
  • Long Service Life (20-30 years)
  • No Metal Content, so no scrap or resale value, hence no theft
  • Well sealed: Available with locking arrangement to avoid displacement in case of water back
  • pressure in low lying regions
  • Factory Made: Bulk Production Value
  • Quick Installation and unloading with light equipment
  • Saving in installation time
  • Customized Size and Structural Designs
  • High Aesthetic Value and Decorative Finish

Technical Specification

Design Standards

  • Major Design Standards (Manhole): ASTMD 3753
  • Major Design Standards (Manhole Covers): AASHTO M306, BS EN 124-1994


As per Customer Requirements

Material of Construction

Polyester Resin, Fiberglass and Silica Sand

Quality Specifications

Load rating, soundness, stiffness and physical properties as per ASTM D 3753, ASTM D 790, ASTM D 695

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