This IFB is for the purchase of Two (2) 6’x14’ Aluminum Trench Boxes & Two (2) 8’x14’ Aluminum Trench Boxes. 1. 2 each complete 6’x14’ Aluminum Trench Boxes. ESC Series or approved equivalent. • 6’ Aluminum Trench Shield – 1 set of 2 panels per trench box • 3” Wall Thickness • Height: 6’x14’, Weight: 1,569 lbs. • Pipe Clearance: 34” • Adjustable Spreaders 42”-60” – 1 set of 4 spreaders per trench box • Length between Spreaders: 12’2” • Shield Capacity: 803 psf • Max Excavation Depth: 12’ C Type Soil 2. 2 each complete 8’x14’ Aluminum Trench Boxes. ESC Series or approved equivalent. • 8’ Aluminum Trench Shield – 1 set of 2 panels per trench box • 3” Wall Thickness • Height: 8’x14’, Weight: 2,079 lbs. • Pipe Clearance: 40” • Adjustable Spreaders 42”-60” - 1 set of 4 spreaders per trench box • Length between Spreaders: 12’2” • Shield Capacity: 640 psf • Max Excavation Depth: 13’ C Type Soil
