Rectangular manhole covers and trench covers are very popular over oil water separators and grease traps. This design allows you to have access to anything underground no matter the size. We can fabricate as many rectangular manhole covers per manhole frame as needed to allow proper access and also ensure the covers are manageable for one person to open. If you have any other specifications that need to be met, please let us know and we will see what we can to do. Give us a call or submit a request for a quote for a rectangular manhole cover or trench cover today!