26 MAY
THE NEW ZEALAND GAZETTE
861

The Standards Act 1965—British Standards, Revisions, and Amendments Available for Comment

PURSUANT to subsection (3) of section 23 of the Standards Act 1965, notice is hereby given that the British standards, revisions, and amendments listed in the Schedule hereto are being considered for adoption as New Zealand standard specifications. All persons who may be affected by them and who desire to comment thereon may, on application, obtain copies on loan from the Standards Association of New Zealand, Private Bag, Wellington C. 1.

Requests should specify that copies are required for comment purposes.

The closing date for the receipt of comment is 17 June 1966.

Dated at Wellington this 23rd day of May 1966.

R. J. SMITH,
Acting Director, Standards Association of New Zealand.
(S.A. 114/2/1)

SCHEDULE

LIST OF BRITISH STANDARDS

New Issues
B.S.
Title

689 : 1964 Railway mechanical signalling equipment.
The following drawing is now available:
689—105 Vertical frame for 10 in. wheel.

3409 : —— The tapping of holes to receive wire thread inserts (UNC and UNF threads)——
3409 : Part 2 : 1966 Diameters below ¼ in.

3727 : —— Methods for the analysis of nickel for use in electronic tubes and valves——
3727 : Part 20 : 1966 Spectrographic method.
3727 : Part 21 : 1966 Determination of magnesium (atomic absorption method).

3936 : —— Nursery stock——
3936 : Part 2 : 1966 Roses.

3960 : —— Non-refillable liquefied gas containers——
3960 : Part 1 : 1966 Liquefied petroleum gas containers for use with appliances complying with B.S. 3879 ‘Portable liquefied petroleum gas appliances operating at vapour pressure from small L.P. gas containers’.

3966 : 1966 Microwave measuring instruments.

3967 : 1966 Representation on 1 in. punched tape of 6 and 7 bit coded character sets for data interchange.

3968 : 1966 7 Track magnetic tape for data interchange recorded at 200 r.p.i.

3970 : —— Steam sterilisers——
3970 : Part 1 : 1966 Sterilisers for porous loads.

3972 : 1966 Yacht ropes.
Part 1 : Steel wire ropes (galvanised and stainless) and stainless steel strands.
Part 2 : Natural fibre ropes (manila, sisal, Italian hemp).
Part 3 : Man-made fibre ropes (polyester fibre, nylon, polythene).

3973 : 1966 Asbestos-cement cable conduits and troughs.

3974 : —— Pipe supports——
3974 : Part 1 : 1966 Components for rod-type pipe hangers for uninsulated and insulated steel and cast iron pipes.

3975 : —— Glossary for landscape work——
3975 : Part 4 : 1966 Plant description.

3977 : 1966 Polyamide (nylon) filament ropes (hawser laid).

3985 : 1966 Cyanmethaemoglobin (haemiglobincyanide) solution for photometric haemoglobinometry.

Revisions
B.S.
Title

778 : 1966 Steel pipes and joints for hydraulic purposes.

988, 1097, 1076, 1451 : 1966 Mastic asphalt for building (limestone aggregate).

1162, 1418, 1410 : 1966 Mastic asphalt for building (natural rock asphalt aggregate).

1165 : 1966 Clinker aggregate for concrete.

1608 : 1966 Electrically-driven refrigerant condensing units.

2746 : 1966 PVC insulation and sheath of electric cables.

3234 : 1966 Polythene insulation and sheath of electric cables.

Amendments
B.S.
Title
Ref. No. PD

308 : 1964 Engineering drawing practice. Amendment No. 1
5716

450 : 1958 Machine screws and machine screw nuts (B.S.W. and B.S.F. threads). Amendment No. 1
5730

903 : —— Methods of testing vulcanised rubber——
Part A 2: 1956 Determination of tensile-stress-strain properties. Amendment No. 9
5694

Part A 3: 1956 Determination of tear strength. Amendment No. 3
5695

Part A 4: 1957 Determination of compression stress-strain. Amendment No. 1
5696

Part A 5: 1958 Determination of tension set. Amendment No. 1
5697

Amendments
B.S.
Title
Ref. No. PD

Part A 7: 1957 Determination of hardness. Amendment No. 4
5693

Part A 9: 1957 Determination of abrasion resistance. Amendment No. 2
5698

Part A 13: 1960 Determination of resistance to low temperatures (rigidity modulus test). Amendment No. 1
5699

Part A 16: 1956 Determination of swelling in liquids. Amendment No. 2
5700

Part A 19: 1956 Accelerated ageing tests. Amendment No. 4
5701

Part A 20: 1959 Determination of hardness (micro-test). Amendment No. 2
5702

Part C 3: 1956 Determination of permittivity and power factor. Amendment No. 2
5703

1104 : 1957 General purpose Acme screw threads. Amendment No. 2
5707

1224 : 1965 Electroplated coatings of nickel and chromium. Amendment No. 1
5720

1230 : 1955 Gypsum plasterboard. Amendment No. 2
5727

1243 : 1964 Metal ties for cavity wall construction. Amendment No. 1
5692

1549: Part 1: 1949 Methods for sheet metal pattern development. Amendment No. 3
5712

1560 : 1958 Steel pipe flanges and flanged fittings (nominal sizes ½ in. to 24 in.) for the petroleum industry. Amendment No. 3
5714

1768 : 1963 Unified precision hexagon bolts, screws, and nuts (UNC and UNF threads) normal series. Amendment No. 1
5706

1952 : 1964 Copper alloy gate valves for general purposes. Amendment No. 1
5717

1953 : 1964 Copper alloy check valves for general purposes. Amendment No. 1
5718

2060 : 1964 Copper alloy screw-down stop valves for general purposes. Amendment No. 1
5719

2661—86 & 3661 : 1961 Methods for the determination of the colour fastness of textiles. Amendment No. 4
5685

2693 : —— Screwed studs——
Part 1: 1956 General purpose studs. Amendment No. 2
5722

2781 : 1956 Protective rubber boots (leather soled) for firefighting and other purposes. Amendment No. 4
5708

2966 : 1958 Phenolic resin-bonded cotton fabric sheets for electrical purposes. Amendment No. 1
5723

3061 : 1965 Electrically-heated incubators for babies. Amendment No. 1
5689

3299 : 1960 Industrial rubber boots. Amendment No. 4
5709

3409 : 1961 The tapping of holes to receive wire thread inserts (UNC and UNF threads). Amendment No. 1
5732
This amendment includes an alteration to the title and reference which will now be numbered: B.S. 3409 Part 1: 1961. Diameters ¼ in. and over.

3546 : —— The testing and approval of domestic electrical appliances——
Section A 3: 1962 Electric kettles. Amendment No. 4
5687

Section A 6: 1963 Electric coffee percolators. Amendment No. 1
5688

3548 : 1962 Fractional horsepower endless V-belt drives. Amendment No. 1
5711

3601 : 1962 Steel pipes and tubes for pressure purposes: carbon steel, ordinary duties. Amendment No. 4
5713

3632 : 1963 Specification and recommendations for permanent residential caravans. Amendment No. 2
5705

3674 : 1963 Sodium carbonate (technical grades). Amendment No. 1
5691

3686 : 1963 Protective hats for horse and pony riders. Amendment No. 3
5690

3704 : 1964 Rubber condoms. Amendment No. 1
5710

3808 : 1964 Cast and forged steel flanged, screwed and socket-welding wedge gate valves (compact design), sizes 2 in. and smaller, for the petroleum industry. Amendment No. 1
5715

The Standards Act 1965—Draft New Zealand Standard Specification No. D. 8660—Heat Actuated Fire Detectors

PURSUANT to subsection (3) of section 23 of the Standards Act 1965, notice is hereby given that the above-mentioned draft New Zealand standard specification is being circulated. All persons who may be affected by this specification and who desire to comment thereon may, on application, obtain