in the late 80's, there was an amendment that once you hit seven units, you have to have a fire aremain la, but that was only after buildings built after '88. but we have a number of buildings built before up to 16 units. but what this is going to do, we're going to have a fire alarm panel that's going to be monitored off-site for early warning and quite response by the fire department. we're going to have a much safer building than we do today. >>commissioner cleaveland: what do you think it costs to put a sprinkler system in on the first floor? >> it depends, if you do a 13 or 13-r fire system. i think it's 25,000 just for the tieing. it's expensive. if you have a 13-r, you can have a combination service meaning for domestic and fire service -- a combination meter. so a number of these buildings may have adequate size line coming in. it's just a matter of changing over to a combination service for sprinklering 13-r. >>commissioner cleaveland: these accessory dwelling units starts with planning, how long does it take -- >> that's the biggest hurdle i've been told. once it gets to building