570.685-034 - LIME SLAKER (concrete prod.) alternate titles: lime mixer; lime-plant operator; - DOT Dictionary of Occupational Titles Job Description

CODE: 570.685-034

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TITLE(s): LIME SLAKER (concrete prod.) alternate titles: lime mixer; lime-plant operator;

milk-of-lime slaker Tends rotary slaker or open batch tank that mixes lime and water to make milk of lime (slaked lime) by either of following methods: (1) Regulates automatic feed of lime and water into rotary slaker to obtain continuous production of milk of lime. Tests concentration with hydrometer. (2) Weighs lime and dumps lime into tank. Adds water and starts agitators to dissolve lime. Tests specific gravity of mixture with hydrometer and adds lime or water to obtain specified concentration. Opens drain valve or starts pump to transfer mixture through mesh screens or settling tank into storage tank. May separate coarse and fine lime particles in classifier. May crush or grind limestone in crushing machine or ball mill. May collect samples of lime or waste material for assaying. May test lime solution by titration to determine its concentration. May heat water with steam coils to speed mixing process.
GOE: 06.04.11 STRENGTH: L GED: R2 M2 L1 SVP: 4 DLU: 77
ONET CROSSWALK: 92965 Crushing, Grinding, Mixing, and Blending Machine Operators and Tenders

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CODE: 570.685-034 Buy the DOT: Download
TITLE(s): LIME SLAKER (concrete prod.) alternate titles: lime mixer; lime-plant operator;

milk-of-lime slaker Tends rotary slaker or open batch tank that mixes lime and water to make milk of lime (slaked lime) by either of following methods: (1) Regulates automatic feed of lime and water into rotary slaker to obtain continuous production of milk of lime. Tests concentration with hydrometer. (2) Weighs lime and dumps lime into tank. Adds water and starts agitators to dissolve lime. Tests specific gravity of mixture with hydrometer and adds lime or water to obtain specified concentration. Opens drain valve or starts pump to transfer mixture through mesh screens or settling tank into storage tank. May separate coarse and fine lime particles in classifier. May crush or grind limestone in crushing machine or ball mill. May collect samples of lime or waste material for assaying. May test lime solution by titration to determine its concentration. May heat water with steam coils to speed mixing process.
GOE: 06.04.11 STRENGTH: L GED: R2 M2 L1 SVP: 4 DLU: 77
ONET CROSSWALK: 92965 Crushing, Grinding, Mixing, and Blending Machine Operators and Tenders