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In building construction, weeps are typically found in a masonry veneer or cavity wall, just above the flashing. The cavity serves as a way to drain this water back out through the weep holes. The weep holes allow wind to create an air stream through the cavity. The stream removes evaporated water from the cavity to the outside.
The brick work is laid in English bond for 40 courses above the present floor, above which the height changes to stretcher bond. The shape of the tunnel is a continuation of the entrance arch. Weep holes are located in the walls about two courses above ground level that are one course high and about 2.5 metres (8 ft 2 in) apart.
The weep holes provide a drainage path through the cavity that allows accumulated water an outlet to the exterior of the structure. Usually, weep holes are created by leaving out mortar at the vertical joints between bricks at regular intervals, by the insertion of tubes, or by inserting an absorbent wicking material into the joint.
Straight wing walls: used for small bridges, on drains with low banks and for railway bridges in cities (weep holes are provided). Splayed wing walls: used for bridges across rivers. They provide smooth entry and exit to the water. The splay is usually 45°. Their top width is 0.5 m, face batter 1 in 12 and back batter 1 in 6, weep holes are ...
Because the masonry veneer is non-structural, it must be tied back to the building structure to prevent movement under wind and earthquake loads. Brick ties are used for this purpose, and may take the form of corrugated metal straps nailed or screwed to the structural framing, or as wire extensions to horizontal joint reinforcement in a fully masonry veneer or cavity wall.
Keep warheads mobile, at sea or in the air, not in underground silos whose location hasn't changed in decades.
Spans the thickness of the wall and directs water to weep holes. Cap flashing (drip cap) Often used above windows and doors. Drip edge A metal used at the edges of a roof. Step flashing (soaker, base flashing) Pieces of flashing material which overlap each other in "steps". Counter flashing (cap flashing) Covers a base flashing.
A blanket of local raw cane sugar on the outside adds a delightful crunch (shown above). ayubakehouse.com, 801 Frenchmen Street. Levee Baking Co.