Masonry Magazine March 1961 Page. 7
SCR masonry process
DEMONSTRATION
Conducted by Robert Taylor, Director of Research, SCPRF
A working demonstration of the "SCR masonry process" was held on Wednesday morning, February 22, for mason contractors attending the 1961 Annual MCAA Convention.
Robert B. Taylor, Director, Structural Clay Products Research Foundation, briefly described the "process" and the three new tools used:
1. The MARKED MASON line which shows where each brick is to be laid. This line eliminates dry bonding and keeps head joints lined up.
2. CONTINUOUSLY ADJUSTABLE SCAFFOLD or new scaffold techniques to keep the mason and his materials at proper working height at all times. This reduces bricklayer fatigue from bending and reaching and consequently increases mason productivity.
3. The "SCR CORNER POLE SYSTEM which supports the marked line, indicates the height of each vertical course and keeps the corner plumb and straight.
The "process" has lowered masonry costs in residential work all over the country, Taylor stated.
Then a working demonstration of the "process" proceeded on the main stage of the Sheraton Ballroom. Mr. Taylor explained that the bricklayer was using a logical combination of two developments of research in the clay industry the "process" and the "SCR brick". Developed for the residential market, this 6" through-the-wall unit eliminates back-up or frame studs, making brick homes available to the home buyer at a cost equal to frame.
Two types of "SCR corner poles" were used in the demonstration, the original wood pole with its special fittings and a newly developed metal corner pole which was shown for the first time.
During the hour and a half demonstration the bricklayer laid 180 "SCR brick" on an 18 foot wall which included building an outside corner and laying up a straight jamb with no rough buck in place. Not once during the demonstration was it necessary for the mason to use his level. The plumb jamb was laid to a mark on the marked line and the corner was erected course by course eliminating time-consuming lead building.
The erection of a corner pole and stretching the marked line for the "SCR brick" was also demonstrated.
Taylor explained that because of space limitations adjustable scaffold was not used in the demonstration. He pointed out, however, that the brick and mortar materials were placed on a raised platform to eliminate bending and reaching for the bricklayer. During an eight hour working day the bricklayer bends down and straightens up at least 40 times. Each time he repeats this operation he must lift half his body weight with his back muscles, Without
Reg. T.M., Pat, Pend., SCPRF
Reg. U.S. Pat. Off., Pat, Pend., SCPRF
ASONRY-MARCH, 1961
proper scaffolding a 200 pound mason will lift over 12 tons of body weight with his back museles. No wonder bricklaying has been considered a back-breaking task. This fatigue-causing bending and reaching can be eliminated by keeping the mason, his materials and the wall all at proper working height with adjustable scaffolding. Increased productivity with less fatigue for the bricklayer is the result.
An open question session was conducted during the demonstration during which the contractors discussed the merits of the "process".
At the end of the session the mason contractors moved up to the stage to inspect the brick work and discuss use of the "process" with field men from SCPRF.
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