All grates and frames are manufactured from minimum grade T220 Grey cast Iron to conform to AS1830 - 1976.
  All grate castings are machined to provide a positive, rock free seating on the frame.
  All of Mascot's grates and frames are manufactured in accordance with the Australian Standard 3996 requirements for Quality Assurance as 3902 where applicable.

GENERAL

  Load ratings in accordance with the AS3996 where applicable.
  Many sump and kerb entry grates have been created to withstand specific loads imposed by other than legally road registered
  That is, road construction machinery or commercial passenger aircraft, etc.
  Please consult with your nearest Mascot Sales Office for more details

Features

  All framed gratings can be fitted with holding down bolts for the prevention of grate removal or pit access.
  Mascot's hold-down bolts (unless otherwise requested) are high tensile steel Allen bolts.
  If Required, some grates and frames can be supplied in a variety of cast metals including bronze, brass or aluminium.   As  tensile and compressive stregths vary between alloys, consult your local Mascot Sales Office to provide load rating estimates and costs.
  The provision of grates and frames cast into a concrete surround is also available on request.  This includes all load ratings in both standard and "V-Drain" configuration.
  In certain cases, hinge pins can be fitted to allow easier access if regular pit entry is required.