5000 Series - Aluminium Single Cover

Recessed floor access/ duct/ multipart* covers and frames shall be howe Green   Ltd 5000 series with continuously fastened aluminium/ brass/ Colouredge*, top edge dirt seal and mechanically   jointed corners, stainless steel baseplate and reinforcement, double sealed with socket   head securing bolts/ unsealed with blanking bolts*. Sizes shall be as   shown on contract drawing nos ....+ Covers are to be supplied complete   with ....+ sets of combined lifting/ securing keys. All to be   manufactured and supplied by Howe Green Ltd, Marsh Lane, Ware,   Hertfordshire, SG12 9QQ, Great Britain, and installed in accordance with   the manufacturer´s installation details and sitework guide.