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
Size
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
