Contractors
Speedy Install
Installing a stormwater management system doesn’t have to be complicated. With proper site preparation and the right equipment, contractors can install a single module in 3 – 5 minutes – that’s roughly 100 modules or 6,400 square feet in a single 8 hour work day. Most systems can be installed with a team of 3 laborers, 1 crane or excavator, and 1 retain-it SMS install technician. The simplicity and speed of a retain-it SMS system install will allow you to focus your time and resources on other high priority project tasks.
Typical Retain-It™ SMS Detention System

Typical Retain-It™ SMS Infiltration System

Smaller Footprints
Retain-It’s™ cube shaped modules maximize stormwater storage volume per system footprint. Second, the load carrying capacity of precast concrete doesn’t rely on the strength and quality of the surrounding backfill materials -or- a structural stone zone for support, further reducing system footprint. And third, if the project engineer opts to incorporate traditionally external functions (pretreatment, outlet control, etc.) within the retain-it system design, footprints are reduced yet again – and as a bonus you may even be able to eliminate 1 or 2 external structures from your project.
If you are tasked with installing a retain-it system, here is a sample checklist of items to ensure a smooth install:
- Ensure you have a “production” copy of the system schematic. If you haven’t yet received a copy of this schematic, please contact Technical Services at ts@lidtech.com.
- Contact the partner precaster that is producing your units to arrange prior delivery of Mirafi fabric (infiltration) or Mirafi fabric and PVC liner (detention/retention). Leave yourself enough time prior to the install date to prepare your system base and install your layers of fabric/liner.
- Review the installation and handling manual above. Any questions during install call our 1-800 and request engineering or sales.