Cast iron manhole cover ULTRA™ D400

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150mm Deep- Heavy Duty Ductile Iron Access Cover Usage: Group 4-for use in carriageways & main roads Manufactured to BS EN124 Class D400 Kitemarked for third party assurance of quality. Complies with Design Manual for roads & bridges Vol 4, Section 2, part 5. HA104/02 Ultra products additionally conform to BS 7903 Suitable for carriageway & fast moving traffic. (A.M.P.'s) Anti-movement technology. 80 / 60mm depth of cover insertion into frames. 40 Tonne Safe Test Load Works safety tested to 44Tonnes =+10% Non rock three point suspension for stability & silent operation Ductile iron for improved weight to strength ratio Black coated finish.