Various shots of machinery in operation in excavation, man greasing boom pulley of mechanical shovel. CU of scoop bucket of shovel nudging large block of masonry, biting into dirt. Shot of pile drivers ramming pilings into ground. Broadside shot of traffic whizzing by, facade of tavern in background, policeman directing traffic on striped stand in foreground, PAN to pile driver. Shot of elevator hopper, concrete bucket swinging in and being emptied by man. Various CUs and MSs of pile driver structure, mechanisms, motionless and in operation. LAS of pile driver head being hoisted away by crane, of top of row of pile driver structures, TILT DOWN to mechanism. CU of crane hook dangling in front of camera. Various shots of pile drivers in operation, of men moving them, of stock pilings, of rows of pile casings projecting from ground, Montreal buildings visible in some shots.