HDPE Structured Wall Pipe
The modern, durable, and highly efficient replacement for traditional concrete, corrugated metal pipe (CMP), and standard PVC systems. Built for the toughest infrastructure projects.
What is Structured Wall Pipe?
HDPE Structured Wall pipe is a high-performance, spirally wound HDPE solution that combines exceptional strength and flexibility, making it the modern replacement for traditional piping systems such as concrete, corrugated metal pipe (CMP), and PVC.
The standard length ranges from 6 to 12 meters, allowing for easier storage, handling, and transportation.
Available Diameters
DN 300 mm – DN 3500 mm
Ring Stiffness
SN 4 & SN 8 (Standard & Custom)
Standard Lengths
6.0 meters – 12.0 meters
Joint Systems
Electrofusion / Gasket / Heat Shrink
Benefits and Features
Lightweight
Easier to transport and install than concrete or steel, drastically reducing logistical and machinery costs.
Corrosion-resistant
Built to withstand chemicals and harsh environments, ensuring zero degradation or rust over its lifespan.
Long-lasting
Durable up to 100 years, significantly cutting down on long-term replacement and maintenance costs.
For Multiple Uses
Tank Application
HDPE Structured Pipes offers a safe, non-toxic HDPE solution for potable water storage, providing strong corrosion resistance and long-lasting, hygienic performance.
Culverts
Delivers a durable, leak-resistant HDPE sewerage solution that ensures long-lasting, efficient wastewater flow.
Drainage Systems
Provides a lightweight, high-capacity HDPE drainage solution designed for fast installation and efficient water management across all project types.
Penstock Pipelines
HDPE Structured Pipes deliver high-strength, smooth-flow performance for efficient, low-maintenance hydropower operation.
Sewerage Systems
Delivers a durable, leak-resistant HDPE system that prevents corrosion, chemical damage, and root intrusion—ideal for long-term sewerage reliability.
Landfill
Chemical-resistant HDPE construction ensures safe, durable leachate and gas management, built to perform in harsh landfill environments.
Load Bearing vs Non-Load Bearing
Non-Load Bearing (NLB)
Designed specifically to support earth loads and permanent surcharge loads where surface traffic is not a concern.
Load Bearing (LB)
Engineered to support earth loads, permanent surcharge loads, and live loads, including the extreme pressure from heavy vehicle traffic.
Sizes and Dimensions
Complete structural diameters, corrugation pitch specifications, and standard length profiles for project planning.
| Size Class | DN / ID (mm) | DN / OD (mm) | Pitch (mm) |
|---|---|---|---|
| 150 mm | 150 mm | 167 mm | 17.5 mm |
| 200 mm | 217 mm | 224 mm | 17.5 mm |
| 250 mm | 247 mm | 287 mm | 27.0 mm |
| 300 mm | 297 mm | 333 mm | 27.0 mm |
| 400 mm | 396 mm | 442 mm | 30.0 mm |
| 500 mm | 495 mm | 556 mm | 47.5 mm |
| 600 mm | 594 mm | 650 mm | 34.5 mm |
| 700 mm | 693 mm | 739 mm | 46.3 mm |
| 800 mm | 792 mm | 868 mm | 46.3 mm |
| 900 mm | 891 mm | 958 mm | 47.5 mm |
| 1000 mm | 990 mm | 1092 mm | 52.3 mm |
| 1200 mm | 1188 mm | 1235 mm | 59.1 mm |
| 1300 mm | 1287 mm | 1353 mm | 65.9 mm |
| 1400 mm | 1386 mm | 1452 mm | 65.9 mm |
| 1500 mm | 1485 mm | 1563 mm | 87.5 mm |
| 1600 mm | 1584 mm | 1672 mm | 87.5 mm |
| 1800 mm | 1782 mm | 1867 mm | 87.5 mm |
| 2000 mm | 1980 mm | 2062 mm | 87.5 mm |
Standard Pipe Length & Socket
Standard HDPE structured wall pipes are designed with integral socket and spigot connections, offering quick installation and leak-proof jointing. Custom lengths are available upon request.
Wall Thickness & Corrugation Pitch
The structured wall configuration features a smooth inner flow-line and a hollow corrugated exterior profile, providing maximum ring stiffness with minimal weight.
Structured Wall HDPE Embedment
These guidelines provide recommended practices for the installation of subsurface drainage systems, focusing on proper backfill selection, placement, and compaction to ensure long-term structural performance. The recommendations follow the design criteria outlined in ASTM F449 and ASTM F2648.
Backfill Selection Rules
- Only native soils classified as Class I, II, or III are permitted for use as backfill material.
- Class I materials may be placed by dumping and lightly tamped or knifed to remove any voids.
- Class II and Class III materials (such as sand, sand–gravel mixtures, and other non-cohesive soils) must be properly compacted to eliminate air pockets and ensure stability.
| Description | Soil Classification (ASTM D2321) | Min. Compaction Required (Std. Proctor Density %) |
|---|---|---|
| Graded or crushed stone Crushed Gravel | Class I | Dumped |
| Well-graded sand, gravels, and gravelsand mixtures: Poorly graded sand, gravels, and gravel/sand mixtures; Little or no fines | Class II (GW, GP, SW, SP) | 85% |
| Silty or clayey gravels, Gravels/sand/silt or gravels and clay mix-tures: Silty or clayey sands, sand/clay or sand/silt mixtures | Class III (GM, GC, SM, SC) | 80% - 90% |
Ready to upgrade your piping infrastructure?
Contact 5Dragon Construction Corp. today for pricing, technical datasheets, and availability.