construction site management issues

Module IIITracking, Wind

Erosion, and Construction Site

Management BMPs

Module Topic

0 Overview

I Introduction

II Soil Stabilization (SS) and Sediment Control (SC) BMPs

IIITracking, Wind Erosion, and Construction Site Management BMPs

IVIncorporation of Construction Site BMPs into the Design Process

V Final Wrap-Up

Module III ObjectivesUpon completion, the student will be able to

• Understand potential tracking, wind erosion, and construction site management issues on construction sites

• Understand water pollution control strategies behind for these types of BMPs

• Select Tracking Control, Wind Erosion Control, and Construction Site Management BMPs

• Identify Standard Special Provisions (SSPs)

Construction Activities

and Storm WaterConstruction projects tend to• Disrupt the existing area by

exposing soils and changing drainage patterns

• Store and use materials that contain or are themselves pollutants

• Require ancillary activities that are potential sources of pollutants

Potential Tracking, Wind Erosion, and Construction Site Management Issues

Water Pollution Control Strategies

Selecting Appropriate Tracking, Wind Erosion, and Construction Site Management BMPs

Tracking Control Issue

No wind erosion controls used

Wind Erosion Control Issue

Construction Site

Management Issues

Vehicle Cleaning

Construction Site

Management Issues

No solid waste management

Construction Site

Management Issues

Construction Site

Management Issues

Water Pollution Control Strategies during

Construction• Prevent storm water contact with disturbed

soil areas (DSAs)• Protect DSAs from erosion• Minimize sediment in storm water

before discharge• Control discharges of sediment from

other sources• Prevent non–storm water discharges• Prevent storm water contact with

other potential construction site pollutants

Potential Tracking, Wind Erosion, and Construction Site Management IssuesWater Pollution Control Strategies

Control Sediment Discharge

From Other Sources Tracking Controls• Stabilized

Construction Exits• Street Sweeping and

Vacuuming

Wind Erosion Control

Prevent Non-Storm Water Discharges • Manage concrete waste• Employ proper dewatering

operations• Fuel vehicles and equipment

off-site or in designated areas• Use covers or platforms to

catch debris over water• Manage sandblasting

operations

Prevent Storm Water Contact

With Other Pollutants • Minimize storage and

non-essential activities• Store materials/wastes

in watertight containers• Cover stored

materials/wastes• Prevent run-on• Clean up spills of

materials/wastes

Example ProjectRoadway WideningCentral Expressway

• Widen from two to four lanes

• Elevate roadway• Construct wall and

bridge structures• Grade embankments

Purpose• Assess impacts and

problem conditions• Select and deploy

BMPs• Identify SSPs for

separate bid line items

PS&E Phase

Access Point

Adobe CreekBridge Structure

Stockpile AreaNew Roadway

Project Information

Construction Activities• Dewatering• Stream crossing• Vehicle and

equipment• Material storage• Stockpiles• Demolition• Concrete placementWhere to begin?

Example Project

Construction Site BMP

Consideration Form 17

Example Project

See Reference Material Tab Page 1

Checklist CS-1, Part 3

Example Project

See Ref TabPage 7

Example Project

Tracking Controls

•Street sweeping and Street sweeping and vacuumingvacuuming•Stabilized construction Stabilized construction entranceentrance 20

Tracking Control BMPs

•07-480 Temporary Construction Entrance

•07-481 Temporary Construction Roadway

•07-360 Street Sweeping

Example Project

What If?

Our project encountered the following conditions:

• Some 800,000 cubic yards of dirt had to be transported through a publicly used street.

• The soil type on the construction site was a combination of clays and silt.

• A sediment-impaired water body was located within 100 feet of the construction exit that would be used by the hauling equipment.

• The head of the RWQCB lived just up the street.

Are the standard BMPs for tracking control adequate?

Example Project

Tire WashPotential Tracking, Wind Erosion, and Construction Site Management IssuesWater Pollution Control Strategies

Example Project

Develop a Non-Standard Special Provision

Example Project

TC-3 Tire Wash

Consideration Form

Example Project

Checklist CS-1, Part 4Example

Project

See Ref TabPage 8

Standard Dust Control vs. More

Rule of thumb• Additional measures are probably

necessary if a “Dust Control Plan” is specified in the contract documents.

• Otherwise, standard dust control practices are most likely sufficient for the project’s wind erosion control.

Appropriate uses would be in air quality management districts and high wind areas.

Example Project

• Wind erosion control• Protect DSAs from wind by applying

soil stabilization BMPs

Wind Erosion Controls

07-354 Temporary Tacked Straw

07-371 Temporary Soil Binder07-380 Temporary Mulch07-381 Temporary Hydraulic

Mulch (Bonded Fiber Matrix)

07-382 Temporary Hydraulic Mulch

(Polymer Stabilized Fiber

Matrix)07-390 Temporary Erosion

Control Blanket07-395 Temporary Cover

Wind Erosion Control BMPs

Example Project

See Reference Material TabPage 18

Consideration Form

Example Project

Project

See Ref TabPage 9

Project–Specific Permits• Discharges of Dredged or Fill Material into

Navigable Waters• Section 404 Permit – U.S. Army Corps of

Engineers• Section 401 Water Quality Certification –

RWQCB• Section 1601 - California Department of Fish

and Game Streambed Alteration Agreement– Avoidance or mitigation of adverse impacts

to fish and wildlife resources– Applicable to projects in/around lakes,

rivers, and streams

Construction Phase

Permits and Concerns

Example Project

Dewatering operations for water removal

– Water from coffer dams– Groundwater in

excavations– Accumulated Rainwater

Requirements vary by district

Non–Storm Water Discharges Allowed by a Separate NPDES

Permit

Example Project

Consideration Form

Example Project

See Reference Material TabPage 10

•Stockpile covers•Linear barriers

Waste Management and MaterialsPollution Control

07-346 Construction Site Management

07-371 Temporary Soil Binder07-380 Temporary Mulch07-381 Temporary Hydraulic

Mulch(Bonded Fiber Matrix)

07-382 Temporary Hydraulic Mulch

(Polymer Stabilized Fiber Matrix)

07-390 Temporary Erosion Control Blanket

07-395 Temporary Cover

Temporary Stockpile BMPs

Example Project

Linear Sediment Barrier• 07-420 Temporary Fiber Roll • 07-430 Temporary Silt Fence• 07-460 Temporary Straw Bale

Barrier• 07-470 Temporary Gravel Bag

Berm • 07-XXX Temporary Sand Bag

Barrier

Temporary Stockpile BMPs

Example Project

Consideration Form

Example Project

Project

• 07-405 Temporary Concrete Washout Facility

• 07-406 Temporary Concrete Washout Facility (Portable)

• 07-407 Temporary Concrete Washout Bin

Above-grade washout42

Concrete Washout BMPs

Example Project

• Spill prevention and control

• Material management• Material storage• Stockpile management• Solid waste management

Construction Site Housekeeping BMPs

• Hazardous waste• Contaminated soil• Concrete waste• Sanitary/septic waste• Liquid waste

Provides for management of

• Water control and conservation• Illegal connection and discharge

detection and reporting• Vehicle and equipment cleaning• Vehicle and equipment fueling

and maintenance• Material and equipment over

• Structural removal over or adjacent to water

• Paving, sealing, sawcutting, and grinding operations

• Thermoplastic striping and pavement striping

• Pile driving• Concrete curing• Concrete finishing

07-346 Construction Site

Management

• Dewatering *

* SSP 07-346 should be adequate when water from dewatering can be discharged within project limits. If estimated quantities of water will be greater or the dewatering operation will be complex, use SSP 07-347 – Temporary Active Treatment System. 47

Standard

Special Provisions (SSP)• SSP 07-340 Water Pollution Control (WPCP)

• SSP 07-345 Water Pollution Control (SWPPP)• SSP S5-630 Relations with RWQCB

Contract Conformance

• Projects < 1 acre (0.40 ha)• Requires preparation of the WPCP in

accordance with the WPCP and SWPPP Preparation Manual

• Indicates WPCP submittal and review periods• Identifies the temporary BMPs that are

individually listed within the contract

WPCP Preparation and Approval

SSP 07-340 (WPCP)

Estimating quantities & cost of BMPsIncorporating revised & new SSPs

Completing SWDR - section 6

• Specifies rainy season dates• Defines winter shutdown periods (Lake

Tahoe, Truckee River, east and west forks of Carson River hydrologic units)

• Identifies BMP inspection frequencies• Identifies the process for report of

discharges, notices, or orders• WPCP preparation payment

WPCP Implementation

SSP 07-340 (WPCP)

• Reference to Construction Site BMPs Manual• Retention of funds process for penalties

levied or assessed by RWQCB• Water Pollution Control Cost Break-Down• Identification of year-round sediment

control practices• Payment for Water Pollution Control

No longer includes the following:

Revisions to SSP 07-340 (WPCP)

• Projects ≥ 0.40 ha (1 acre)• Requires preparation of the SWPPP in

accordance with the WPCP and SWPPP Preparation Manual

• Indicates SWPPP submittal and review periods

• Identifies the temporary BMPs that are individually listed within the contract

• Identifies sampling and analysis requirements

SWPPP Preparation and Approval

SSP 07-345 (SWPPP)

• Specifies rainy season dates• Identifies a maximum DSA for the

rainy season• Defines winter shutdown periods

(Lake Tahoe, Truckee River, east and west forks of Carson River hydrologic units)

• Identifies BMP inspection frequencies• Identifies the process for report of

discharges, notices, or orders• SWPPP preparation payment

SWPPP Implementation

SSP 07-345 (SWPPP)

• Reference to Construction Site BMPs Manual• Retention of funds process for penalties

levied or assessed by RWQCB• Water Pollution Control Cost Break-Down• Identification of year-round sediment

control practices• Payment for Water Pollution Control

No longer includes the following:

Revisions to SSP 07-345 (SWPPP)

• Identifies the correct permit (General Permit versus Lake Tahoe Permit or other project-specific permit)

• Details requirements of Lake Tahoe Permit

SSP S5-630 Relations with RWQCB

What if you had a situation that required a specific BMP that didn’t have a standard

special provision?

Find an appropriate SSP or develop a non-standard special

provision for the situation!56

Project Information1. $6 million upgrade handrail

and sidewalk project 2. Project disturbs > 0.25 ac of

soil (project not a short form)3. Estimated cost of all line item

BMPs equals $66,000

Class Exercise Time

Selecting Appropriate Construction Site BMPs

Determine the appropriate Construction Site BMPs for the

project 57

Exercise TabPage 4

Module III Summary

We have just covered the following topics:• The potential tracking, wind erosion, and

construction site management issues on construction sites

• The water pollution control strategies behind the selection of Tracking, Wind Erosion, and Construction Site Management BMPs

• The selection of appropriate Tracking Control, Wind Erosion Control, and Construction Site Management BMPs using the Caltrans-developed process

Questions

Calaveras 49, New Melones Reservoir 59

What do you know, some more questions!

Can non-storm water discharges be permitted by the Design Storm Water Coordinator?

When selecting Construction Site BMPs, where does the prudent Designer start?

Name a few Construction Site BMPs.

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