Pictrues demonstrate an install of 12 Grids = the 5 Grids in front alley Cash area, 2 Grids to left of entrance towards Seasonal - all 7 Grids required Seismic tie-off points. 5 Grids are placed across back alley and 1 Grid each in Perpendicular alleys alpong with existing double entrance Grids and Seasonal Promo area Grid totalling 20 Grids on this site.