
PRODUCTS AND EQUIPMENT
MANHOLE AND STRUCTURE REHABILITATION
PREDL Hybrid PVC Manhole, Manhole Rehab and Concrete Protection Systems for Sewer Systems
CPM in partnership with PREDL Systems is providing revolutionary new systems for new and rehabilitated manholes. Although the technology is relatively new, the materials are proven for use in common sewer system applications. Combining PVC, fiberglass reinforced plastic, high density polyethylene and polypropylene provides superior protection from aggressive sewer systems for both substrates and structures. Available with up to 50 year warranties and 100 year design life, the cost benefit value can not be beat.
NEW CONSTRUCTION












Previous
Next
REHABILITATION












Previous
Next
OTHER STRUCTURES












Previous
Next
Learn More About our PREDL Line of Products (select to download):
DRAWINGS
- 48-inch PVC Wet Well
- 60-inch PVC Wet Well #1
- 60-inch PVC Wet Well #2
- T-Base PVC Manhole
- PVC Manhole Insert (rehab)
- PVC Manhole Standard Drawings (2021)
INSTALLATION GUIDES
- PREDL Hybrid PVC Manhole Inert to Rim
Rehab Installation Guide - Hybrid PVC Maintenance Hole Installation Guide
- PVC Manhole Installation and Testing Field Report (Bowman Consulting)
- PVC Manhole Installation and Information Guide
TECHNICAL REFERENCES
- PVC Manhole – 60-inch PVC Manhole Riser Buoyancy Calculations
- PVC Manhole –60-inch PVC Manhole Riser Design Calculations
- PVC Manhole –48-inch PVC Manhole Riser Design Calculations
- PVC Manhole – Precast Concrete Componenet Strength and Design Check (APOC Engineering)
- PVC Manhole –Static Stability Under Partial Excavation (Bowman Consulting)
- PVC Manhole – PVC Riser Safe for use with Thermal Expansion and Contraction (Bowman Consulting)
- PVC Manhole – PVC Riser Buoyancy Calculation (Bowman Consulting)
- PVC Manhole – PVC Riser Buckling Calculation with Temperature Derating Consideration (Bowman Consulting)
- PVC Manhole –Technical Memo for Pima County (Bowman Consulting)
- Comparison of Deformation Safety Indexes – 48-inch vs, 60-inch
SPECIFICATIONS AND SUBMITTALS
- AIC Letter – PREDL Systems
- Flexible Rehabilitation Liner System for Concrete Manholes and Wet Wells
- PVC Manhole – PREDL Bell and Vertex Compression Gasket
- PVC Wet Well System (2018) – Fiberglass Reinforced Plastic Wet Well Liner
- General Submittal – Hybrid PVC Manhole (2021)
- PVC Manhole System – Specifications (2020)
- PVC Manhole – T-Base Specifications (2018)
TEST REPORTS
- Bond Strength Evaluation of PREDL FRP Liner to Concrete
- PVC Saddle T Manhole Vacuum Test to ASTM C1244 (Metro Testing)
- PVC Manhole FRP Material Testing (Ramtech Laboratories)
- PVC Manhole H-20 Load Test to ASTM D3753 (Metro Testing)
- PVC Manhole Vacuum Test to ASTM C1244 (Metro Testing)