Standard Road Plans - EC Series Barriers English Metric PDF PDF Mats and Sods EC-101 Wood Excelsior Mat for Ditch Protection — EC-102 Sod for Ditch Protection — EC-103 Wood Excelsior Mat for Slope Protection — Fences and Curtains EC-201 Silt Fence — EC-202 Floating Silt Curtain — Trees and Shrubs EC-501 Trees and Shrubs —