Page 445 - The Engineering Guide to LEED-New Construction Sustainable Construction for Engineers
P. 445

Notation     405

             Symbol            Chapter   Definition (typical units as applicable)
             BF                2          Building footprint—planar projection of built structures
                                         onto land
             BR                2           Minimum number of bicycle rack spaces (commercial/
                                         institutional uses)
             BSF               2          Minimum number of bicycles for which secure and
                                         covered bicycle storage facilities are provided for
                                         residential uses
             BWB               3         Blackwater baseline generation rate (gal/yr)
             BWD               3         Blackwater design generation rate (gal/yr)
                                                                              2
             BZA               6         Breathing zone horizontal area for zone i (ft )
                 i
             BZAR              6           Breathing zone minimum area rate [ft /(min·ft ) or
                                                                           3
                                                                                  2
                                         (cfm/sf)]; usually  0.06 cfm/sf as given in the standard
                                                                                    2
             BZOD              6           Breathing zone occupant density for zone i (people/ft )
                   i
                                                                                 3
             BZPR              6          Breathing zone minimum people rate for use j [ft /min
                  j
                                         per person (cfm per person)] as given in the standard
                                                              3
                                         (for example, this is 5 ft /min per person for general
                                         office spaces and conference or meeting rooms, and
                                                  3
                                         it is 7.5 ft /min per person for lecture rooms and
                                         classrooms)
             C                 2, 10       Overall stormwater runoff coefficient of the total site
                                         area (see %Impness)
             C                 2         Stormwater runoff coefficient of land surface i
               i
             C                 10        Average concentration of a pollutant in a BMP
               PBMP
             C                 10          Average concentration of a pollutant infiltrating into
               PF
                                         ground
             C                 10        Average concentration of a pollutant in rainfall
               PI
             C                 10          Average concentration of a pollutant coming from
               Pmisc
                                         miscellaneous flows into a BMP
             C                 10          Average concentration of a pollutant flowing out of
               Pout
                                         BMP
             C                 10          Average concentration of a pollutant in upslope runoff
               Pup
             C                 10         Average stormwater runoff coefficient of land surface
               up
                                         upslope of BMP
             CBECSE            4           Commercial buildings energy consumption survey
                     j
                                         median electrical use for building use j [kWh/(ft ·yr)]
                                                                                  2
             CBECSF            4          Commercial buildings energy consumption survey
                     j
                                                                              2
                                         median fuel use for building use j [kBtu/(ft ·yr)]
             CDF               6         Combined daylight factor for each window type i
                 i
             CE                3         Controller efficiency factor
             CE                3         Controller efficiency factor for area i
                i
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