Install a bar at every corner

This 6" x 6" x 3/8" Galvanized Plate is designed for such a purpose

and (1) 4" Classic Cap Assy (Sold as Vinyl Railing Post Kit)

095 x 10'6" CR20 Commercial Galvanized Pipe for Chain Link Fences

095 x 9' CR20 Commercial Galvanized Pipe for Chain Link Fences

LiftMaster Std. Duty Roller Cage Bearing Hinge - Bolt to Gate, Bolt to Post (Prime Coated) Sold in pairs. Hinge Install a bar at everyLiftMaster Std. Duty Roller Cage Bearing Hinge Bolt to Gate, Bolt to Post (Prime Coated) Heavy Duty Construction for Maximum Durability Dependable Roller Cage Bearing Design Even Weight Distribution Five Times The Weight Bearing Surface of the Nearest Large Hinge Convenient Bolt On Model Easy to Fully Lubricate Specifications: Maximum Gate Weight: Up to 1,000 lbs. per pair. Sold in pairs. Pair (2 per Box) 7. 1 lbs. 3. 2 kgs.