Step 2. Determine the output of your sprinklers. Set out 6 or more straight sided containers of. the same type, spaced evenly on the lawn. Empty tuna cans, cat food cans, or coffee mugs work well. Turn on the sprinklers for 20 minutes and use a ruler to measure (in inches) the depth of water in. each can. Now determine the average depth in all of the cans. Multiply the average depth by 3 to. determine how many inches of water your sprinkler system applies per hour.
deferment period. The period following the issue of a security during which it cannot be called by the issuer. Also called deferred call period, period of call protection, preferred call period. See also call protection.
Deferred Retirement. Refers to delayed payment of benefit until criteria are met, as follows: If you leave Federal service before you meet the age and service requirements for an immediate retirement benefit, you may be eligible for deferred retirement benefits. To be eligible, you must have completed at least 5 years of creditable civilian service.