Interviewer instructions
    
                                    Number of mandays (Col 5) is derived as follows:
                     
             (Number of days)   x  (Number of hours per day)
Mandays  =  ---------------------------------------------------------
                           8 hours
Ask for the following:
How many days were spent? - indicate the total number of days of work per activity.
How many hours per day were spent? - ask for the average number of hours of work rendered by the operator per day and record with one (1) decimal place.