Abstract: A fire sprinkler emergency drain apparatus for conveying liquid from an open or leaking sprinkler head or leaking portion of a fire extinguishing system that includes a shallow mouth collection ring and drain line assembly having a collection ring of a size to surround a fire sprinkler head or a recessed opening in which a fire sprinkler head is positioned and a flexible drain line connected to the collection ring to convey liquid from the sprinkler head to a drain area, the drain line being mounted in a rolled configuration wherein the drain line is flattened in cross sectional configuration adjacent the collection ring and the shallow mouth collection ring and drain line assembly being supported by a handle adapted to be attached to a pole for use in elevating the shallow mouth collection ring and drain line assembly relative to a sprinkler head.

Abstract: Forms for covering inspection holes or openings in concrete block wall construction in which the forms are of a size to seal the openings and are installed within such openings interiorly of the front face of the concrete blocks. In the preferred embodiments the forms are transparent to provide visual inspection of steel reinforcement and concrete or grout filling of the cores of the concrete blocks.

Abstract: A concrete construction block having at least one or more hollow cores or open cells and wherein an opening is molded between one cell and the outer face of the block and which opening is defined by edges having opposing outermost flanges which function to retain an inspection window seated within the core therebetween.