The following proportions and cost of materials, and amount of labor required for the classes of work below specified, are reasonably accurate, and will serve to give a good idea of how to estimate such work.

## Cost Of Rubble Masonry Per Perch

 Using 1-to-3 Lime Mortar. 1 perch stone (25 cu. ft.) delivered at work...................... \$1.25 1 bu. lime........................................................ .25 1/6 load of sand, at \$1.50 per load........................................ .25 1/3. day mason's labor, at \$2.50 per day............................... .83 i day helper's labor, at \$1.50 per day................................ .38 Total............................................................................ \$2.96
 Using 1-to-S Portland Cement Mortar. 1 perch stone (25 cu.ft) delivered at work....................... \$1.25 1/2 bbl. Portland cement, at \$2.60 per bbl........................... 1.30 1/6 load of sand, at \$1.50 per load.................. .25 1/3 day mason's labor, at \$2.50 per day................................ .83 1/4 day helper's labor, at \$1.50 per day............................... .38 Total............................................................................ \$4.01
 Using l-to-3 Rosendale Cement Mortar. 1 perch stone...................................................................... \$1.25 1/2 bbl. Rosendale cement, at \$1.25 per bbl........................ .63 1/6 load sand, at 81.50 per load............................................. .25 1/3 day mason's labor, at \$2.50 per day................................ .83 1/4 day helper's labor, at \$1.50 per day................................ .38 Total ............................................................................ \$3.34
 Cost of 1 Square Foot of Ashlar. Cost of stone, bluestone facing......................................... \$ .30 Hauling stone, say 1/10 of cost of stone............................... .03 Mortar ............................................................................... .01 Labor, estimating 80 sq. ft. per day for two masons and one laborer: 2 masons, at 83.00 per day.................................................. .08 1 laborer, at 81.50 per day................................................... .02 \$ .44
 Cost of 1 Cubic Yard of Concrete. 1 bbl. of Rosendale cement, at 81.25 per bbl.................... \$1.25 3 bbl. of sand, or i load, at 81.50 per load......................... .50 1 cu. yd. (about 6 bbl.) of broken stone, at \$1.50per cu.yd. 1.50 Mason, 1/4 day, at 82.50......................................................... .63 Laborer, 1 day, at \$1.50..................................................... 1.50 Total............................................................................ \$5.38
 Cost of 1 Square Yard of Cellar Floor. Concrete, 4 1/2 in. thick, at \$5.38 per cu. yd.......................... \$ .67 Sand bed, 6 in. thick, approximately 1 bbl............................ .17 Spreading sand................................................................... .02 1/12 bbl. of Portland cement for 1/2" finishing coat, at 82.60 per bbl................................................................ .22 1/12 bbl. of white sand, at \$1.00 per bbl................................ .08 .08 \$1.24