Geotextile Slope Installation Guide

Geotextile Slope Installation Guide.pdf

Geotextile Slope Installation Guide

This document is the Geotextile Slope Installation Guide. Site preparation and installation steps are explained.

For site preparation, prepare site to design profile and grade. Remove debris, rocks, clods, etc. Ground surface should be smooth prior to installation to ensure blanket remains in contact with slope.

Step 2 – Seeding of site should be conducted to design requirements or to follow local or state seeding requirements as necessary.

Step 3 - Staple Selection, at a minimum, 6” long by 1” crown, 11 gauge staples are to be used to secure the blanket to the ground surface. Installation in rocky, sandy or other loose soil may require longer staples.

Step 4 - Excavate Anchor Trench and Secure Blanket. Excavate a trench along the top of the slope to secure the upstream end of the blanket. The trench should run along the length of the installation, be 6” wide and 6” deep. Staple blanket along bottom of trench, fill with compacted soil, overlap blanket towards toe of slope and secure with row of staples.

Step 5 - Secure Body of Blanket. Roll blanket down slope from anchor trench. Staple body of blanket following the pattern. Leave end of blanket unstapled to all for overlap. Place downstream blanket underneath upstream blanket to form shingle pattern. Staple seam. Secure downstream blanket with stapling pattern which reflects minimum staples to be used. More staples may be required to ensure blanket is sufficiently secured to resist mowers and foot traffic and to ensure blanket is in contact with soil surface over the entire area of blanket. Further, critical points require additional staples.

Step 6 - Continue Along Slope - Complete Installation by overlapping adjacent blankets. Secure toe of slope using stapling pattern. Secure edges of installation by stapling at 18” intervals along the terminal edge.

Figures A, B, C, D, E, F & G support the steps with examples.

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