Available in 18, 24, 30, 36, 42, 48 and 60 in. inside diameters
Depths available up to 240 inches, in increments of 6 in.
Winding process is computer controlled for accuracy, consistent thinkness and extraordinary strength
Manufactured to the ASTM D 3753: Standard Specification for Glass - Fiber - Reinforced Polyester Manholes and Wet Wells
Designed to withstand wall collapse or buckling based on: Hydrostatic pressure of 62.4 lbs. per square foot, saturated soil weight of 120 lbs. per cubic foot and soil modulus of 700 lbs. per square foot
Tensile strength of 100,000 to 150,000 PSI
15314 Harrison Road Mishawaka, IN 46544 Phone: 574-256-5635 | Fax: 574-256-6966 | Email: firstname.lastname@example.org