| |
StormChamber® |
StormTech SC740 |
| Header Pipe Manifold System for In Flow/Out Flow to Purchase & Install |
NO |
YES |
| AASHTO H-20 Wheel Load Rating |
Exceeds by 3X |
Meets |
| End Plates to Purchase & Install |
NO |
YES |
| Need for Pre-Treatment Devices |
NO |
YES |
| Maximum Height of Fill |
30 Feet |
8 Feet |
| Require Compacting Stone Base |
NO |
YES |
| Double/Triple Layered Installation |
YES |
NO |
| Manhole with Weir required |
NO |
YES |
| Isolator Row to Purchase & Install |
NO |
YES |
| Use of Recycled Materials |
YES |
NO |
| Chambers made of HDPE material which gives under pressure |
YES |
NO |
| Number of Chambers Required |
40-45% Fewer |
40-45% More |
| Installed Cost & Time |
Significantly Less |
Significantly More |
| Foot Print |
Significantly Less |
Significantly More |
| Excavation, Stone, Backfill, Compaction, Grading & Filter Fabric |
Significantly Less |
Significantly More |