Erosion and Sediment Control Guidelines - Town of Cochrane ESC, Drawings and Report Guidelines

Oct 28, 2026

Provides template guidance for developers and consultants preparing erosion and sediment control (ESC) drawings and reports for construction projects within the Town of Cochrane. Specifies required drawing attachment practices and the mandatory information format, including legend and scale. Outlines mandatory notes for ESC drawings covering pre-construction meetings, on-site documentation retention for at least two years, inspection frequency and conditions (every 7 days and during/within 24 hours of snowmelt and heavy/prolonged rainfall), and inspection by qualified personnel under supervision rules.

LanguageEnglish

CategoryResearch & Report

FormatPDF

Pages29

Reading Time1 h 13 min

AccessFree to download

Erosion and Sediment Control Drawings

Drawing ESC 1 - ESC Installation Details and Inspection Maintenance Records

Drawing ESC 2 - Present Conditions / Pre-Grading

Drawing ESC 3 - Intermediate / Final Conditions Post-Grading

Drawing ESC 4 - Cut and Fill Drawing

Drawing ESC 5 - Landscaping/Permanent Stabilization Drawing

Erosion and Sediment Control Report

General Information

Contact Information

Project Overview

Existing Site Conditions

Erosion Prediction

Soil Types

Critical Areas

Limitations of Field Investigation

Field Inspection/Maintenance Record Sheet

Temporary ESC Practices

Removal of Temporary Practices

Stockpile Control

Construction Schedule and Phasing

Permanent ESC Practices

Safety

Appendices

Erosion and Sediment Control Drawings and Report Guidelines Town of Cochrane ESC, Drawings and Report Guidelines 1 Table of Contents 1.0 EROSION AND SEDIMENT CONTROL DRAWINGS------------------------------4 1.1 DRAWING ESC 1 – ESC INSTALLATION DETAILS AND INSPECTIONMAINTENANCE RECORDS -------------------------------- -------------------------------- -------------------------------- 4 1.2 DRAWING ESC 2 – PRESENT CONDITIONS / PRE-GRADING-------------------------------- -5 1.3 DRAWING ESC 3 – INTERMEDIATE / FINAL CONDITIONS POST-GRADING-------------6 1.4 DRAWING ESC 4 – CUT AND FILL DRAWING-------------------------------- -------------------- 7 1.5 DRAWING ESC 5 – LANDSCAPING/PERMANENT STABILIZATION DRAWING------------ 7 2.0 EROSION AND SEDIMENT CONTROL REPORT----------------------------------8 2.1 GENERAL INFORMATION-------------------------------- -------------------------------- ------------8 2.2 CONTACT INFORMATION-------------------------------- -------------------------------- ------------8 2.3 PROJECT OVERVIEW-------------------------------- -------------------------------- ------------------8 2.4 EXISTING SITE CONDITIONS-------------------------------- -------------------------------- --------9 2.5 EROSION PREDICTION-------------------------------- -------------------------------- ---------------9 2.6 SOIL TYPES-------------------------------- -------------------------------- ------------------------------ 9 2.7 CRITICAL AREAS -------------------------------- -------------------------------- ----------------------- 9 2.8 LIMITATIONS OF FIELD INVESTIGATION-------------------------------- -----------------------10 2.9 FIELD INSPECTION/MAINTENANCE RECORD SHEET-------------------------------- -------10 2.10 TEMPORARY ESC PRACTICES-------------------------------- -------------------------------- -----10 2.11 TEMPORARY ESC PRACTICES-------------------------------- -------------------------------- -----11 2.12 REMOVAL OF TEMPORARY PRACTICES-------------------------------- -------------------------11 2.13 STOCKPILE CONTROL-------------------------------- -------------------------------- ---------------11 2.14 CONSTRUCTION SCHEDULE AND PHASING-------------------------------- -------------------12 2.15 PERMANENT ESC PRACTICES -------------------------------- -------------------------------- -----12 2.16 SAFETY-------------------------------- -------------------------------- -------------------------------- --12 Appendix A-----------------------------------------------------------------------------------------13 Appendix B-----------------------------------------------------------------------------------------16 Appendix C----------------------------------------------------------------------------------------17 Town of Cochrane ESC, Drawings and Report Guidelines 2 Erosion and Sediment Control Drawings and Report Guidelines These guidelines are designed as a template for developers and consultants preparing erosion and sediment control (ESC) reports and/or drawings for development/ construction projects within the Town of Cochrane. Failure to follow these guidelines when submitting your ESC documents will result in a return of submission prior to thereview process. Town of Cochrane ESC, Drawings and Report Guidelines 3 1.0 EROSION AND SEDIMENT CONTROL DRAWINGS Drawings should be attached to the reports mentioned in Section 2.0. For sites less than 2.0 ha, a report is not required and a set of drawings may be submitted for approval. The following information must be located on the Erosion and Sediment Control drawings in the format outlined below. Failure to follow this format may result in the return of your documents and delay the review process. As drawings are utilized more often in the field than the report, it is important that they are easily understood by the contractor. ESC practices must be indentified on the drawing legend and clearly marked on the draw

FAQs

When are ESC drawings required versus an ESC report?

For sites less than 2.0 ha, a report is not required and a set of drawings may be submitted for approval. Drawings should be attached to the reports referenced in Section 2.0.

What must be included on every ESC drawing?

Drawings must include information in the specified format and include a legend and scale for all drawings. ESC practices must be identified on the drawing legend and clearly marked, with installation, inspection, and maintenance guidance that is easy for contractors to understand.

How often must ESC inspections be completed and documented?

Inspections of all ESC practices must be completed and documented at least every 7 days and at critical times when erosion or sediment releases could occur. Inspections must also be completed and documented during, or within 24 hours of, significant snowmelt and heavy and/or prolonged rainfall events.

Oct 28, 2026

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