ENVIRONMENTAL SCREENING REPORT
FOR LASALLE PARK 1993

TABLE OF CONTENTS

EXECUTIVE SUMMARY I

1.0

INTRODUCTION

1.1

The EARP Screening Process

1.1.1

Objectives

1.1.2

Procedures

1.1.3

Definitions

1.2

Project Description and Background

1.2.1

Preliminary Scoping and Consultation

1.2.2

Available Technical Information

 

2.0

DESCRIPTION OF EXISTING CONDITIONS

2.1

Protection of Nearshore Zone

2.1.1

Existing Conditions

2.1.2

Future Conditions

2.2

Fish Habitat

2.2.1

Existing Conditions

2.2.2

Future Conditions

2.3

Wildlife Habitat

2.3.1

Existing Conditions

2.3.2

Future Conditions

2.4

Public Access

2.4.1

Existing Conditions

2.4.2

Future Conditions

 

3.0

PRELIMINARY ENVIRONMENTAL SCREENING OF ALTERNATIVE DESIGNS

3.1

Protection of Nearshore

3.1.1

Floating Breakwaters

3.1.2

Rockfill Structure

3.2

Enhancement of Fish Habitat

3.2.1

Promontory/Breakwater

3.2.2

Submerged Reef

3.2.3

Emergent Shoals

3.2.4

Artificial Submerged Habitat Structures

3.2.5

Bioengineered Headland-Bay-Beach Structures

3.3

Wildlife Habitat

3.4

Public Access

3.5

Preliminary Environmental Screening of Design
Components

3.6

Preliminary Environmental Screening of
Alternative Design Configurations

3.6.1

Description of Alternatives

3.6.2

Environmental Screenings

3.7

Description of Preferred Configuration

3.7.1

Navigational Considerations

3.7.2

Current Modeling

 

4.0

RECOMMENDED APPROACH TO
ENVIRONMENTAL MONITORING

4.1

Breakwater/Barrier Promontory Module

4.2

Submerged Reefs, Artificial Habitat Structures
and Seasonally Emergent Shoals

4.3

Headland-Bay-Beach Module

 

5.0 ENVIRONMENTAL SCREENINGS
5.1

Potential Effects Associated with Marine and Shoreline Structures

5.1.1

Site Preparation

5.1.2

Construction

5.1.3

Operation and Maintenance

5.1.4

Future and Related Matters

5.2

Overall Impact

 

6.0

CONCLUSIONS

 

7.0

REFERENCES

 

APPENDIX A: Project Advisory Committee
CHARTS Environmental Effects
Habitat Requirements
Habitat Design Components

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Environmental Effects Chart
Habitat Requirements Chart
Habitat Design Components Chart