On a residential development lot in Brossard, various MSs of hod carrier loading up with bricks, climbing scaffolding, coming down again for more bricks. MLS of shell of dwelling under construction, men working nearby. MLS of explosion on cliff-side in quarry, much smoke. TILT DOWN quarry face to front loader. CU of loader biting into rock. Shot of rock in crusher. Several ESTABLISHING PANs of machinery in quarry. Rising shot through wire mesh of elevator cage of decks of the Stock Exchange Tower under construction. Front LAS of framework of floor above. MS of elements of framework. Vertical walking LAS past framework of the Stock Exchange Tower under construction.