Secondary Containment
138'x60'x33" 16 ga rigid containment set level at 30" above grade with 3" below grade. Sprayed inside and out of walls with 40 mils of polyurea and 60 mils of polyurea over 16 oz reinforced underlayment on the interior 152'x84'x12" C purlin vessel containment 3x3x2 sump with grate cover