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Chapter 7<br />

Construction BMPs<br />

1.0 Introduction<br />

Effective management of stormwater runoff during construction activities is critical to <strong>the</strong> protection of<br />

water resources. The Federal Clean Water Act and <strong>the</strong> Colorado Water Quality Control Act require<br />

stormwater discharge permits during construction at development and redevelopment sites that disturb<br />

one or more acres of land. Some local governments also require <strong>the</strong>se permits for sites that disturb less<br />

than one acre. Both erosion and sediment controls are necessary for effective construction site<br />

management as well as effective material management and site management practices (Figure 7-1).<br />

Protection of waterways from construction-related pollution is <strong>the</strong> ultimate objective of <strong>the</strong>se practices.<br />

This chapter provides an overview of erosion and sediment control principles and information on<br />

construction best management practices (BMPs). BMP Fact Sheets are provided, containing information<br />

on applicability, installation, maintenance, and design details with notes. The Fact Sheets are stand-alone<br />

documents that can be inserted directly into a Stormwater Management Plan (SWMP). Information is<br />

also provided on construction in or adjacent to waterways, construction dewatering, and linear<br />

construction projects, such as roadways and utilities.<br />

Erosion Controls<br />

(source controls)<br />

Sediment<br />

Controls<br />

(treatment)<br />

Materials<br />

Management<br />

(source controls/reduce<br />

exposure)<br />

Site Management<br />

(procedures and<br />

schedules)<br />

Effective<br />

Stormwater<br />

Management at<br />

Constuction<br />

Sites<br />

Figure 7-1. Components of Effective Stormwater Management at Construction Sites<br />

November 2010 <strong>Urban</strong> <strong>Drainage</strong> and Flood Control District 7-1<br />

<strong>Urban</strong> Storm <strong>Drainage</strong> <strong>Criteria</strong> <strong>Manual</strong> <strong>Volume</strong> 3

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