Back   SANITARY SYSTEMS AND FORCEMAINS List #  4.70.53.10 Maintenance Holes Adjustment Units Date:  May 20, 2020 SPECIFICATIONS: OPSS 1351 DRAWINGS: OPSD 704.010 Specific Requirements: 1) Concrete adjuster thickness not to exceed 300 mm.   Company Product Model/Series Remarks Armtec Inc. 40 Vagnini Court Lively ON  P3Y 1K8 Canada Tel: 705-692-7007 Web: www.armtec.com Adjustment Units for Catchbasins and Maintenance Holes Multi-Loc Adj. Ring Concrete DECAST Ltd. 8807 County Road 56 Utopia ON  L0M 1T0 Tel: 705-734-2892 Toll free: 800-461-5632 Fax: 705-734-2920 Web: www.decastltd.com Maintenance Hole Adjustment Unit Grade Adjustment Ring Concrete FJ Turner Company Lift Rings - Polypropylene Riser Ring Polypropylene/ Fibreglass Ladtech, Inc. Ontario Source: IPEX Inc. 6810 Invader Crescent Mississauga ON  L5T 2B6 Tel: 905-670-7676 800-268-4664 Fax: 905-670-5295 Web: www.ipexna.com Valve Chamber Adjustment Ring Adjustment Ring Injection molded polyethylene. Marked as "Lifesaver" and/or "Ladtech" Structure Shims Inc. 28 Chapman Road Orangeville ON  L9W 5C7 Tel: 519-940-4366 Cellular: Fax: 519-940-4960 Structure Shims HDPE Structure Shims For Concrete adjustment unit support Underground Technologies Distributor: strataWORKS Canada Ltd. Manhole/Catch Basin Adjustment Units   Expanded Polystyrene