Before Construction New Tank Area Finished Excavation Finished Excavation Finished & Ready For Stone Finished Excavation Gravity Bed Approved For Backfill Before Backfill Gravity Bed Before Backfill New Soil Line To Tanks Pump Electric Delivery Lines Stoned and Piped For Inspection Stone Finished Stone and Pipe Stone and Pipe Installed Tank Excavation Tank Installation Tank Installation Pump Tank Install Tanks Installed Tank Area Rough Backfill Rough Backfill Final Grade Final Grade Final Grade Tank Area Cover After Fertilized Seed Cover After Fertilized Seed