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Laying CMU on a drizzly day, which site habit supports joint quality?

Choices

  • (A) Over-wet mortar beyond spec for spreadability
  • (B) Cover dry packs, shield courses from direct rain, follow weather limits in the method statement
  • (C) Use soupy joints to dry faster
  • (D) Remove weather protection after one hour always

Correct answer: (B)

Cover dry packs, shield courses from direct rain, follow weather limits in the method statement

Explanation

Rain washes lime from joints weakening bond.

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