Concrete Cutting Cutter Merrimac MA Mass Massachusetts

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Merrimac Massachusetts Concrete Cutting and Core Drilling

The intake registers for the removal of the foul air should be placed in the concrete walls near the floor. The foul air passes from the registers through the hollow spaces in the concrete walls and from there into the chimney. The chimney is best located near the center of the barn, and should be high enough to extend above the roofs of any nearby building. The fresh air should be admitted by registers located near the ceiling. The air near the ceiling is usually the warmest; hence, the fresh air is heated somewhat before striking the cattle. To construct a concrete hog pen excavate a trench, the size and shape desired for finished pen, 10 inches wide, and to a depth below frost, and fill with concrete mixture, one part granulated Portland Cement, four parts clean, coarse sand, and eight parts broken stone or screened gravel. On top of this foundation build a wall, at equal distance from edge, 4 inches thick and 4 feet high, reinforced with wire fabric or else with 1/4-inch rods placed about 18 inches apart both ways. The reinforcement must be carefully bent around the corners. Proportions of cement mix for a concrete wall; one part Portland cement, two and one-half parts clean, coarse sand, and five parts broken stone. Space for a gate should be left, and a concrete trough built similar to the one shown in picture or described in "Hog Concrete troughs."

A hog house can be added by building another wall in the corner and roofing the space with z'/z inches concrete, one part granulated Portland Cement, two parts clean, coarse sand, and four parts broken stone. This slab must be reinforced with wire mesh or steel rods of size and spacing given in Table for Designing Reinforced Concrete Beams and Slabs. The dairy may be connected by a passage way with the barns or may be in a building by itself. In either case, concrete had best be used throughout for the various rooms: the receiving room, the bottling room, the closets, the refrigerator, the cold storage room, the shower baths and the clothes closet; also for all the various accessories, such as the concrete troughs for the milk cans and bottles. Since concrete is a poor conductor of I heat and cold, it is a good material for an ice box'. It may also readily- be made with one or two air spaces in the walls so as to make an economical storage box. -Ice boxes are sometimes built as a part of a new building, and sometimes are built onto an old building. An ice box is not in the least affected by the hard usage it receives by having heavy milk cans thrown against it. An ice box should be made in the place where it is to set, as it will be too heavy to move. Build outside concrete forms of i-inch tongue and grooved and planed boards. Cleat these lightly together and -run a brace back to hold in place.

Make a light box or use- one already made for the inside concrete forms, oiling or greasing it well before placing the concrete. Make the wall 8 inches thick if one air space is required, or xo inches thick for two air spaces. To form the air space, place 2-inch plank on end 2 inches from the form and in pairs so that each thickness of wail will be 2 inches and these 2-inch walls will be connected by about 4 inches of concrete, in the ends of each pair of plank. Greasing the plank thoroughly, they may be pulled out after the concrete has begun to stiffen. The time for doing this will be about an hour after the concrete is placed if it is made about the consistency of mortar for laying brick or about two hours after placing if it made thinner than this. Pull play just as soon as the surface of the concrete has dried off. Leave the inside and outside concrete forms in place for two or three days. To burnish a place for a concrete, which should always be used with a double wall, make the inside wall lower than the outside, as shown. There should from 1inch to 1-1/2 inch space between the two wood covers. The whole spaces in the walls may be filled either with cork or mineral wool, which is used considerably to keep the inside of the ice box at a low temperature with least amount of ice.