INTERIM TRANSITION: Are there any questions? Now I will give you several demonstrations on the first eleven steps of dump truck estimations? INSTRUCTOR DEMONSTRATION (10 min) Present the below example, reference the students to the power point and white board. Ensure this is explained step by step. example: EARTH LOAM DRY IS 2200 lbs. per cubic yard TABLE #2-2 APPROXIMATE WEIGHT OF SOIL CONVERTED SOIL BANK LOOSE COMPACTED FROM: BANK * 1.11 .95 SAND OR LOOSE .90 * .86 GRAVEL COMPACTED 1.05 1.17 * BANK * 1.25 .90 LOOSE .80 * .72 LOAM COMPACTED 1.11 1.39 * BANK * 1.43 .90 LOOSE .70 * .63 CLAY COMPACTED 1.11 1.59 * BANK * 1.50 1.30 ROCK LOOSE .67 * .87 (BLASTED) COMPACTED .77 1.15 * CORAL BANK * 1.50 1.30 COMPARABLE LOOSE .67 * .87 TO LIMESTONE COMPACTED .77 1.15 * (a) MOISTURE CONTENT Initial soil weight x moisture content = actual soil weight INSTRUCTOR DEMONSTRATION (10 min) Present the below example, reference the students to the power point and white board. Ensure this is explained step by step. EXAMPLE: 2200 LBS. WEIGHT OF DRY EARTH LOAM PER CY FROM TABLE 2-2 X 1.07 100% OF SOIL WEIGHT + 7% MOISTURE 2354 LBS. actual soil weight (ASW)
INTERIM TRANSITION: Are there any questions? Now I will give you several demonstrations on the first eleven steps of dump truck estimations? INSTRUCTOR DEMONSTRATION (10 min) Present the below example, reference the students to the power point and white board. Ensure this is explained step by step. example: EARTH LOAM DRY IS 2200 lbs. per cubic yard TABLE #2-2 APPROXIMATE WEIGHT OF SOIL SOIL CONVERTED FROM: BANK LOOSE COMPACTED SAND OR GRAVEL BANK LOOSE COMPACTED * .90 1.05 1.11 * 1.17 .95 .86 * LOAM BANK LOOSE COMPACTED * .80 1.11 1.25 * 1.39 .90 .72 * CLAY BANK LOOSE COMPACTED * .70 1.11 1.43 * 1.59 .90 .63 * ROCK (BLASTED) BANK LOOSE COMPACTED * .67 .77 1.50 * 1.15 1.30 .87 * CORAL COMPARABLE TO LIMESTONE BANK LOOSE COMPACTED * .67 .77 1.50 * 1.15 1.30 .87 * (a) MOISTURE CONTENT Initial soil weight x moisture content = actual soil weight INSTRUCTOR DEMONSTRATION (10 min) Present the below example, reference the students to the power point and white board. Ensure this is explained step by step. EXAMPLE: 2200 LBS. WEIGHT OF DRY EARTH LOAM PER CY FROM TABLE 2-2 X 1.07 100% OF SOIL WEIGHT + 7% MOISTURE 2354 LBS. actual soil weight (ASW)
EST%20FOR%20MISSION%20REQ%20INSTRUCTOR%20OUTLINE.docx