Actually they are going to be growing medical marijuana. Todd G Williams, PE Fire Protection Design/Consulting Stonington, CT www.fpdc.com 860-535-2080 (ofc)
> On Jan 8, 2014, at 4:33 PM, "rongreenman ." <[email protected]> wrote: > > Sounds like a growing mushroom house. > > >> On Wed, Jan 8, 2014 at 9:30 AM, Todd - Work <[email protected]> wrote: >> >> Each 40 ft x 64 ft room in this area has six 9 ft x 20 ft tables, spaced 1 >> ft apart in one direction and 3 ft apart in the other. Agricultural >> occupancy so OH2 design. Tables are not skirted. In addition to wood >> construction, there will be plastic sheeting and plastic tubing under the >> table. (I am using the term "table" because that is what they call them). >> It will be a wet environment by nature of the occupancy. >> >> One interesting semantic note is that 11.2.3.1.8 (3), which is the 3000 >> sqft requirement, references 8.14.6, which is the platform requirement also >> references combustible concealed spaces. But 8.14.6 only references >> combustible spaces. Nothing about them being concealed >> >> Looking at this from a practical perspective (think like fire), if a fire >> did start under a table, it could have significant time to develop before >> being detected. There may not be enough heat generated to activate a >> sprinkler until after it is well developed. Perhaps not until flames >> actually shoot up around the edge of the table. If flames shoot up around >> more than one side of the table (possible in a 9x20 table), then a lot of >> sprinklers over a fairly large area could open. More than would be included >> in a 1500 sqft area? Potentially. This is where my thought for the 3000 >> sqft area comes from. (FWIW, EH2 occupancy description also references >> shielded fires). >> >> As for liability, the nature of our society is that we need to consider >> this as well as the technical aspect of our job. >> >> >> Todd G Williams, PE >> Fire Protection Design/Consulting >> Stonington, CT >> www.fpdc.com >> 860-535-2080 (ofc) >> >>> On Jan 8, 2014, at 11:23 AM, "Brad Casterline" <[email protected]> >> wrote: _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
