THIS DISCUSSION PRESENTS A DEFINITION AND BRIEF DESCRIPTION OF THE CRITICAL-PATH METHOD AS APPLIED TO BUILDING CONSTRUCTION. INTRODUCING REMARKS CONSIDER THE MOST PERTINENT QUESTIONS PERTAINING TO CPM AND THE NEEDS ASSOCIATED WITH MINIMIZING TIME AND COST ON CONSTRUCTION PROJECTS. SPECIFIC DISCUSSION INCLUDES--(1) ADVANTAGES OF NETWORK TECHNIQUES, (2) A COMPARISON OF BAR CHARTS AND CPM, (3) THE OPERATION OF CPM, (4) WHEN CPM MAY BE USED, AND (5) A SUMMARY OF ADVANTAGES TO THE OWNER, ARCHITECT, AND CONTRACTOR. SPECIFIC ASPECTS OF CPM ARE--(1) ACTIVITIES, (2) TIME DURATION, (3) ACTIVITY COST, (4) MANPOWER ASSIGNED, (5) FLOAT TIME, (6) CRITICAL ACTIVITIES, (7) COMPLETION DATE, AND (8) COMPUTER PRINTOUT. THIS ARTICLE IS PUBLISHED IN THE PROCEEDINGS OF THE NCSC, 40TH ANNUAL MEETING, PRINCETON, NEW JERSEY, OCTOBER 7-10, 1963. ADDITIONAL COPIES OF THE PROCEEDINGS MAY BE OBTAINED FOR $2.50 FROM THE SECRETARY, COUNCIL ON EDUCATIONAL FACILITY PLANNERS, OHIO STATE UNIVERSITY, COLUMBUS, OHIO. (MM)