Method of providing a pipe passageway through a concrete slab

A method of providing a pipe passageway through a concrete slab, the method comprising:

• Positioning a first plastic pipe of predetermined diameter in an upright position with an open end thereof facing upward and within a location of a concrete slab to be poured;
• After the positioning step, pouring concrete around said first pipe to a desired level leaving a portion of said first pipe exposed above said level and permitting the concrete to solidify to form the slab;
• After the pouring step, cutting off said exposed portion of said first pipe thereby leaving an upper opening thereof flush with an upper surface of said slab at said desired level;
• After the cutting off step, closing off said upper opening of said first pipe with a plastic cap;
• After the closing off step, drilling a passageway of a predetermined diameter which is smaller than said first pipe diameter through said cap at a calculated position of alignment;
• and
• After the drilling step, inserting a second plastic pipe, having an outside diameter which will mate with said smaller diameter of said passageway, through said cap passageway and sealing and securing said second pipe of smaller diameter in position in said passageway of said cap with cement.