Water detection subassembly and method of forming same, for computer processing centers

Method of forming a water detection subassembly in association with a water detection system for use in a digital computing center, said center including a computing room have a raised floor above a sub-floor supporting computing equipment and the like comprising:

• () pre-drilling a section of conventional plastic pipe with a series of transverse openings, said openings have axes of symmetry coextensive with each other and intersecting the central axis of symmetry of the pipe at about 90 degrees;
• (ii) slicing the plastic pipe longitudinally along a central plane to bisect both the pipe and said series of openings transverse to the central axis of symmetry, whereby at least a pair of shields per longitudinal cut of the pipe, is formed;
• (iii) arranging a fabric mesh in a predetermined pattern on the sub-floor, the mesh being formed of an electrically non-conducting material fashioned so as to physically support a pair of electrical conductors;
• (iv) attaching at least one of the shields of step (ii) to the sub-floor lengthwise about the mesh and conductors;
• (v) disconnectably connecting said conductors to a voltage source in circuit with an alarm of said detection system whereby said alarm is normally inactive, but if water contacts said conductors adjacent said sub-floor, the alarm is activated to warn human operators of said water invasion, but wherein said mesh and conductors are completely protected against physical abuse as from contact with workmen's shoes and the like during repair, replacement or renovation of said computing equipment.