Importing of Manhole covers

I need a resessed manhole covers made of galvanized steel
6cm recess and with metal slat grid
Maintenance Metal Cover:

By the count supply and install metal galvanized stainless steel maintenance opening cover of dimensions (3000x4700mm) divided into 8 parts of size (1500x1175mm ) each, with metal slat Grid and tray recessed min. 60mm to take the floor finish (Interiock), fixed on concrete curbs with screws according to the drawings and supplier specifications. The item includes everything necessary to complete the work in full in accordance with the principles of Industry and technical specifications, drawings and instructions of the supervising engineer Refer to Dra
This the spec's