Runway 15-33 Safety EnhancementsEarthwork

Ronald Reagan Washington National Airport

Pre-Construction Meeting – December 13, 2012

Project Overview: 15-33 – Earthwork Package

Earthwork Package – Phasing & Staging

Earthwork Package – Phasing & Staging

Earthwork Package – Phasing & Staging

Sequence of Construction

Potomac River Bathymetry

Subsurface Stratigraphy

Typical Dike Section

Shoreline Demolition – Stone Removal

Step 1 – Rock Toe Berm

Steps 2 & 3 – Sand Blanket and Wick Drains

Step 4 – Rock Dike

Step 5 – Stage 1 Sand Fill and Wick Drains

Step 6 – Armor Stone

Step 7 – Stage 2 Sand Fill

Step 8 –Final Grading

Typical Dike Section

Instrumentation Plan

Instrumentation Details