Stormwater Control & Stormwater Control & DesignDesign

By Ken Barber, CPESC

INSPECTION SERVICES

PROFESSIONAL

Certified Professional in Erosion and Sediment Control

Definition A Certified Professional in Erosion

and Sediment Control has educational training, demonstrated expertise, and experience in controlling erosion and sedimentation and that meet qualification standards.

Eligibility Requirements

Earn a BS degree or higher plus three (3) years of professional level experience in the soil erosion and sediment control profession - college transcripts are required.

Pass Written Exam www.cpesc.net

Stormwater Control

Background Application

Water Quality Act

Passed in 1987 Amended the Clean Water Act Federal Regulation of Pollutant

Discharge during Runoff Events

National Pollutant Discharge Elimination System (NPDES)

Phase I Stormwater Regulations were Published by EPA in 1990

Mandated that states set a system for regulation by 1994

The New York State Department of Environmental Conservation is local NPDES permitting authority.

State Pollutant Discharge Elimination System (SPDES)

Published Two Permits in 1993 One for Industrial Site Runoff One for Construction Site Runoff

for sites of 5+ Acres

Permits Regulated the manner in which Stormwater can leave a site

Phase II Regulations

Established in 1999 by the EPA Effective as of March 10, 2003 Lowered the Threshold to One Acre

of Disturbance Regulations published in New York

in SPDES General Permit GP-02-01 Effective in January of 2003

Project Evaluation:

Stormwater Pollution Prevention Plan (SWPPP)

Erosion and Sediment Control During Construction

Water Quality Control Water Quantity Control Maintenance, during and after

Water Quality & Quantity Design

Maintain Pre-Development Conditions

The The “Blue Book”“Blue Book”

www.dec.state.ny.us

Responsibility of the Design Professional

Engineers typically handle SPDES permitting

Must educate the Operator and Contractors as to their responsibilities

Both are Mandated to sign SWPPP

GP-02-01GP-02-01 Violations Violations Surface Run-off Turbid Discharge Adjacent Roadway Contamination Dust Pollution

Primary Means of Education

Detailing Inspection

Detailing:

Limited EffectivenessLimited Effectiveness

Roadway ContaminationRoadway Contamination

Proper Installation Adjacent ToProper Installation Adjacent To RoadwayRoadway

Erosion Control Erosion Control MattingMatting

Proper Construction & Proper Construction & Maintenance Prevent Maintenance Prevent ContaminationContamination

Lack of Maintenance Creates Lack of Maintenance Creates WorkWork

Inspection

GP-02-01 Mandates site be inspected by “qualified professional”

Every 7 calendar days After every 0.5” rainfall in a 24

hour period

Inspection Reporting Reports & Sketches generated for

each inspection Monthly Summaries are posted for

public viewing Quarterly Summaries are also

posted

All made available to NYSDEC upon request

Inspection Reports

Detailed Sketches

Work as a Team

Inspections are an excellent opportunity to plan with the Contractor

Contractor may have methods or ideas that are new to you

Remember: The goal is containment

Growing Pains

Non-Uniform Design Non-Uniform Enforcement

Questions?

INSPECTION SERVICES

PROFESSIONAL