Specifications include, but are not limited to: REMOVE EXISTING URETHANE INSULATION TO ROOF HATCH EXTENSION, INSULATE WITH URETHANE SPRAY FOAM INSULATION AFTER INSTALLATION IS COMPLETE DRILL HOLE INTO ROOF HATCH EXTENSION, SEAL WITH NSF-61 SEALANT SO PENETRATION IS LIQUID TIGHT PROVIDE SLACK TO AVOID TENSION IN THE CABLE; SUBMERSIBLE OPENED IMPELLER TANK WATER CIRCULATION MIXER MOUNTED ON 3'-11" HIGH SELF-SUPPORTING TRIPOD WITH EPDM ELASTOMERIC FEET, TYPE 316 SS CONSTRUCTION, NSF 61 UL CERTIFIED ASSEMBLY WITH INTEGRAL 40 FT MIN. SUBMERSIBLE PUMP CABLE AND UL 508A CONTROL CENTER. TRIPOD ASSEMBLY AND MIXER CONFIGURED TO FIT THROUGH 24" X 24" ACCESS HATCH WHEN FULLY DEPLOYED (TRIPOD UNFOLDED). MANUFACTURER: CLEANWATER 1 - PAX WATER TECHNOLOGIES MODEL: PAX PWM 400 V3 MOTOR: 1/2 HP / 230 VAC / 3 PH, WATER-FILLED, WATER-LUBRICATED SUBMERSIBLE PUMP MOTOR