Precast concrete is a construction product produced by casting concrete in a reusable mold or form which is then cured in a controlled environment, transported to the construction site and lifted into place. In contrast, standard concrete is poured into site-specific forms and cured on site.
What They Are. Semi-monthly payments are payments made twice per month on the 1st and 15th rather than once per month on your regular due date. The balance due remains unchanged; if your mortgage is $1,200 per month, you would make a payment of $600 twice each month.
Under a biweekly payroll system, employees are paid every two weeks, or 26 times per year, while semi-monthly payroll provides two pay periods per month, or 24 in a year. Employers in the United States generally pay their employees weekly, biweekly, semimonthly or monthly.