SDD 08E09 Fence

GENERAL NOTES

DETAILS OF CONSTRUCTION NOT SHOWN ON THIS DRAWING SHALL CONFORM ROADWAY ROADWAY ROADWAY TO THE PERTINENT REQUIREMENTS OF THE STANDARD SPECIFICATIONS AND APPLICABLE SPECIAL PROVISIONS.

SHOULDER SHOULDER SHOULDER 1 HORIZONTAL BRACE REQUIRED WITH 2" X 4" WOODEN FRAME OR EQUIVALENT A DITCH DIKE AT TOP OF POSTS.

INSLOPE FLOW INSLOPE FLOW INSLOPE FLOW

FLOW 4 1 2 FOR MANUAL INSTALLATIONS THE TRENCH SHALL BE A MINIMUM OF 4" WIDE AND 1 6" DEEP TO BURY AND ANCHOR THE FABRIC. FOLD MATERIAL TO FIT TRENCH AND BACKFILL AND COMPACT TRENCH WITH EXCAVATED .

1 1 3 WOOD POSTS SHALL BE A MINIMUM SIZE OF 1 8" X 1 8" OF OAK OR HICKORY.

INSLOPE INSLOPE 4 SILT FENCE TO EXTEND ACROSS THE TOP OF THE PIPE. A FLOW

FLOW FLOW 5 CONSTRUCT SILT FENCE FROM A CONTINUOUS ROLL IF POSSIBLE BY CUTTING SHOULDER SHOULDER LENGTHS TO AVOID JOINTS. IF A JOINT IS NECESSARY USE ONE OF THE FOLLOWING TWO METHODS; A) OVERLAP THE END POSTS AND TWIST, OR ROTATE, AT LEAST 180 DEGREES, B) HOOK THE END OF EACH SILT FENCE ROADWAY ROADWAY LENGTH. INSLOPE 10'- 0" POST MIN. ** **GEOTEXTILE FABRIC FLOW FLOW GROUND 2 LINE GEOTEXTILE FABRIC SITUATION 1 SITUATION 2 SECTION A - A (TYPICAL) FLOW PLAN VIEW DIRECTION 2 PLAN VIEW SILT FENCE AT MEDIAN SURFACE DRAINS TYPICAL APPLICATION OF SILT FENCE

EXCESS FABRIC FLOW DIRECTION TRENCH DETAIL NOTE: ADDITIONAL POST DEPTH OR GEOTEXTILE TIE BACKS MAY BE REQUIRED FOLD 6 3" MAX. FABRIC 6 IN UNSTABLE SOIL. SUPPORT CORD OR TENSION TAPE 3 WOOD POSTS 4' - 0" MIN. LENGTH 2' - 0" MIN. DEPTH GEOTEXTILE FABRIC IN GROUND WOOD POST TIEBACK BETWEEN FENCE 3'- 0" MAX. POST AND ANCHOR FLOW *

2'- 0"± 3'- 0" MAX. WOOD POST GEOTEXTILE SILT FENCE * FABRIC FLOW DIRECTION 3'- 0" MAX. TWIST METHOD

GEOTEXTILE * ANCHOR STAKE FABRIC ONLY 3'- 0" MAX. MIN. 18" LONG *

FLOW DIRECTION SILT FENCE TIE BACK BACKFILL AND COMPACT GEOTEXTILE TRENCH WITH EXCAVATED SOIL FABRIC (WHEN REQUIRED BY THE ENGINEER)

SDD ATTACH THE FABRIC TO THE POSTS WOOD POST 15' MAX. WITH WIRE STAPLES OR WOODEN GEOTEXTILE LATH AND NAILS FABRIC 1'- 0" MIN 2 SILT FENCE

08E09 - 06 FLOW DIRECTION 2'- 0" MIN. WOOD POST * NOTE: 8' - 0" SPACING ALLOWED IF A WOVEN GEOTEXTILE HOOK METHOD STATE OF WISCONSIN FABRIC IS USED. DEPARTMENT OF TRANSPORTATION 08E09 - 06 5 APPROVED SILT FENCE JOINING TWO LENGTHS OF SILT FENCE 4/29/05 /S/ Beth Cannestra DATE CHIEF ROADWAY DEVELOPMENT ENGINEER FHWA SDD Version 6 Standard Detail Drawing 8E9 July 5, 2005 Silt Fence

References: FDM 10-10-23

Bid items associated with this drawing: ITEM NUMBER DESCRIPTION UNIT 628.1504 Silt Fence ...... LF 628.1520 Silt Fence Maintenance ...... LF

Standardized Special Provisions associated with this drawing: STSP NUMBER TITLE NONE

Other SSDs associated with this drawing: NONE

Design Notes: Silt Fence is not recommended for channel applications. Increase the calculated need for silt fence by 25% and list this quantity as "undistributed" on the miscellaneous quantities sheet. Silt Fence is neither biodegradable, recyclable, nor reusable and, therefore is recommended only when other best management practices are not practical.

Contact Person: Jeremy Ashauer (920) 412-6381