Standard Road Plans - EC Series Barriers English PDF EC-101 Wood Excelsior Mat for Ditch Protection EC-102 Sod for Ditch Protection EC-103 Wood Excelsior Mat for Slope Protection EC-104 Turf Reinforcement Mat (TRM) EC-105 Transition Mat EC-201 Silt Fence EC-202 Floating Silt Curtain EC-204 Perimeter and Slope Sediment Control Devices EC-301 Rock Erosion Control (REC) EC-302 Rock Check Dam EC-303 Stablized Construction Entrance EC-501 Trees and Shrubs EC-502 Seeding in Rural Areas EC-601 Temporary Sediment Control Basin EC-602 Open-Throat Curb Intake Sediment Filter