Back   Storm Sewers List #  4.72.51.77 Maintenance Hole Safety Platforms and Grates Safety Platforms Date:  Apr 07, 2015 SPECIFICATIONS: OPSS 407 DRAWINGS: OPSD 404.020, OPSD 404.021, OPSD 404.022 CONTACT :  Company Product Description / Model MSU Mississauga Ltd. 2222 South Sheridan Way Unit 300, Building 3 Mississauga ON  L5J 2M4 Tel: 905-823-4340 800-268-5336 Fax: 905-823-4947 Email: info@msumississauga.com Web: www.msumississauga.com Safety Platforms for Maintenance Holes   Trade Tech Industries Safety Platform, Original   Safety Platform, Circular Maintenance Holes, Aluminum