H-—44a

APPENDIX NEW ZEALAND STANDARD SPECIFICATIONS RECOMMENDED DURING THE YEAR FOR DECLARATION, REVISION, AMENDMENT, OR WITHDRAWAL 1. New Standards Building N.Z.S.S. 767 Air bricks and gratings (dimensions and workmanship); being B.S. 493-1945, amended to suit New Zealand requirements. 768 Natural stone for building (dimensions and workmanship); being B.S. 1232-1945. 769 Glazed earthenware wall tiles (dimensions and workmanship); being B.S. 1281-1945. 770 Clay tiles for flooring (dimensions and workmanship); be ing B.S. 1286-1945. 771 Synthetic-resin bonded-paper sheei (thermosetting) for use in the building industry; being B.S. 1323-1946. 772 Asphalt tiles for paving and flooring—natural rock asphalt; being B.S. 1324-1946. 781 Building limes ; being B.S. 890-1940, amended to suit New Zealand requirements. 782 Low heat Portland cement; being B.S. 1370-1947. 783 Dimensions and properties of chinnels and beams for structural purposes; being B.S. 4-1932, amended to suit Nzw Zealand requirements. 794 Earthenware roofing tiles. ( Superseding N.Z.S.S. E. 182.) 795 Concrete roofing tiles. (Superseding N.Z.S.S. E. 217). 804 Code of practice for the fixing of concrete and earthenware roofing tiles. (Superseding N.Z.S.S. E. 236.) Chemical Engineering 701 Manhole openings for chemical plant: fixed and mobile. Size and position only. (Not applicable for pressures over I''s lb. per sq. in.); being B.S. 470-1932. 713 Oil suction discharge hose for use in the petroleum industry ; being B.S. 1435-1948. 736 Methods for the analysis of iron and steel—--736, Part 4 : Aluminium in permanent magnet alloys; being B.S. 1121, Part 4, 1948. 736, Part 6 : Nickel present in small amounts in carbon and low-alloy steels ; being B.S. 1121, Part 6, 1948. 736, Part 8 : Chromium present in small amounts in carbon and low-alloy steel; being B.S. 1121, Part 8, 1948. 736, Part 11 : Carbon in steel and low-carbon ferro-chromium; being B.S. 1121, Part 11, 1918. 800 Treatment of water for marine boilers ; being B.S. 1170-1947. Chemicals and Scientific Apparatus 693 Pigments for colouring cement, magnesium oxychloride and concrete ; being B.S. 10141942. 718 Synthetic resins (phenol-aldehyde type) for the manufacture of boards, tubes and cylinders ; being B.S. 474-1932. 739 Media for biological percolating filters ; being B.S. 1438-1948. 740 Precipitated calcium carbonate ; be ing B.S. 1460-1948. 755 Silver anodes and silver salts for electroplating ; being B.S. 1561-1949. 797 Burettes and bulb burettes ; being B.S. 846-1939. 796 Petri dishes ; being B.S. 611-1940. Electrical Engineering 697 Motor starters and controllers and resistors employed therewith (excluding liquid starters and controllers and single phase A.C. models); being B.S. 587—1940. 721 Recommendations for terminal markings for electrical machinery and apparatus ; being B.S. 822-1938. 722 P.V.C. cables and cords for switchboard and panel wiring ; being B.S. 1231-1945. 723 Synthetic-resin bonded-paper tubes, for use as electrical insulation, for power circuits; being B.S. 1314-1946.

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