Pacific Gas & Electric
Phase 1
Sierra Mountains, CA (2000)
Page 2 of 4
Step 3: Workers stand behind the Aquadam® to prevent it from unrolling. Water pressure inside the Aquadam® pushes on their legs. Workers take one step backwards at a time, waiting for the water pressure to build again inside the Aquadam®. Do NOT get in a hurry!  
Sierra Mountains, CA
Step 4: A worker is moving a large boulder next to the Aquadam® for lateral support. Water pressure builds and workers take one step back at a time. Pressure builds because of water being pumped into the Aquadam®. Go one step at a time!
Sierra Mountains, CA
Step 5: Keep the Aquadam® from joining with the bank until it forces you out of its way. The water should pass on downstream so that a reservoir of water does not build behind the Aquadam® . 
Sierra Mountains, CA