865.1DESCRIPTION—This work is furnishing, placement, maintenance, and removal of silt barrier fences
of the height indicated.
865.2MATERIAL—
by 6 inches, or an acceptable, equivalent plastic mesh.
square; or steel, 1.25 -inch by 1.00 -inch T-section or equivalent; or acceptable plastic, with an equivalent section.
metallic coated.
as shown on the Standard Drawings.
865.3CONSTRUCTION—As shown on the Standard Drawings, with or without mesh support fencing, and
as follows:
at a maximum spacing of 30 inches, and to the posts . Keep sag to a minimum. Extend the geotextile a minimum of 6 inches vertically along the front face of the excavated trench and a minimum of 6 inches along the bottom of the excavated trench, backfill the trench with the excavated soil, and compact.
barrier fence by tapping the dry geotextile from the downstream side. When directed, provide rock filter outlets to replace undercut and overtopped sections of the silt barrier fence. When the barrier fence is no longer needed, remove the fence , and restore the area as specified in Section 105.14.
865.4MEASUREMENT AND PAYMENT—
pay for it at the contract unit price for Silt Barrier Fence.
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