Produces concrete that rainwater flows through to replenish aquifers. Used for streets, parking lots, and retaining walls.

• See also:
• Masterformat 2004
• 03 40 00 - PRECAST CONCRETE
• 33 36 00 - Utility Septic Tanks
• 33 36 33 - Utility Drainage Field
• 33 40 00 - STORM DRAINAGE UTILITIES
• 33 41 00 - Storm Utility Drainage Piping
• 33 44 00 - Storm Utility Water Drains
• 33 44 13 - Utility Area Drains
• 33 49 13 - Storm Drainage Manholes, Frames, and Covers
• 33 49 23 - Storm Drainage Water Retention Structures
• 44 41 00 - Water Pollution Containment and Cleanup Equipment
• Masterformat 1995
• 02540 - Septic Tank Systems
• 02630 - Storm Drainage
• 03400 - Precast Concrete
• 11300 - Fluid Waste Treatment & Disposal