2602

THE NEW ZEALAND GAZETTE

No. 112

Number and Title of Specification—continued
ISO/R 1571-1970 Shanks for pneumatic tools and fitting dimensions of chuck bushings—Part II.
ISO 2562-1973 Modular units for machine tool construction— Slide units.
ISO 2727-1973 Modular units for machine tool construction— Headstocks.
ISO 2769-1973 Modular units for machine tool construction— Wing bases for slide units.
ISO 2891-1973 Modular units for machine tool construction— Centre bases and columns.
ISO 2912-1973 Modular units for machine tool construction— Multi-spindle heads—Casing and input drive shaft dimensions.
ISO 2934-1973 Modular units for machine tool construction— Wing base for columns.
All persons who may be affected by these specifications and who desire to comment thereon may, on application, obtain a copy of each on loan from the Standards Association of New Zealand, World Trade Center, 15-23 Sturdee Street (or Private Bag), Wellington 1.
Requests should specify that copies are required for comment purposes.
The closing date for the receipt of comment is 6 December 1974.
Dated at Wellington this 8th day of November 1974.
G. H. EDWARDS, Director,
Standards Association of New Zealand.
(S.A. 4-114/2/1)

The Standards Act 1965—Standard Specifications Proposed for Revocation
NOTICE is hereby given that the New Zealand standard specifications listed in the Schedule hereto have been reviewed by committees of the Standards Council and have been recommended for revocation, pursuant to the provisions of the Standards Act 1965.
Any person who may be affected by the proposal to revoke these standard specifications, and who wishes to object to their revocation, is invited to submit comments to the Standards Association of New Zealand, Private Bag, Wellington, not later than 6 December 1974.
SCHEDULE
Number and Title of Standard Specification
NZS 4:1958 (BS 468:1956) Solid rolled steel railway wheels and disc wheel centres.
NZS 6:1948 (BS 484:1933) Rolled steel disc wheel centres for electric tramway cars.
NZS 15:1949 (BS 483:1933) Attachment of circular metal cutting saws (for hot working).
NZS 25:1958 (BS 84:1956) Parallel screw threads of Whitworth form.
NZS 27:——- (BS 122:-—-) Milling cutters and reamers— Part 1: 1954 (BS 122: Part 1: 1953) Milling cutters. Part 2: 1965 (BS 122: Part 2: 1964) Reamers, countersinks, and counterbores.
NZS 40:1949 (BS 451:1932) Bright square head set-screws with flat chamfered ends (BSW and BSF).
NZS 344:1949 (BS 275:1927) Dimensions of rivets (½ in to 1¾ in diameter).
NZS 399:1952 (BS 93:1951) British Association (B.A.) screw threads with tolerances for sizes 0 B.A. to 16 B.A.
NZS 404:1949 (BS 1089:1942) Workhead spindles for internal and universal grinding machines, including plain grinding machines with live spindles.

Number and Title of Standard Specification—continued
NZS 451:—— (BS 848:——) Methods of testing fans for general purposes, including mine fans— Part 1: 1965 (BS 848: Part 1: 1963) Performance.
NZS 705:1951 (BS 673:1950) Pneumatic tools and accessories.
NZS 708:1959 (BS 1333:1958) Acid resisting silicon iron pipes and pipe fittings.
NZS 715:1950 (BS 1421:1947) Picks, beater picks and mattocks.
NZS 861:1959 (BS 1574:1958) Split cotter pins.
NZS 864:1950 (BS 325:1947) Black cup and countersunk bolts and nuts.
NZS 890:1951 (BS 1642:1950) Ball and roller bearing plummer blocks (general purpose series).
NZS 998:1951 (BS 1663:1950) Higher tensile steel chain Grade 40 (short link and pitched or calibrated) for lifting purposes.
NZS 1059:—— (BS 1380:——) Method for determining the speed of sensitized photographic materials— Part 1: 1965 (BS 1380: Part 1: 1962) Negative monochrome material for use in daylight.
Part 2: 1965 (BS 1380: Part 2: 1963) Reversal colour film for still and cine photography.
NZS 1209:1954 (BS 2002:1953) Dimensions of diamond truing tools.
NZS 1236:1954 (BS 2041:1953) Tubular heat exchangers for use in the petroleum industry.
NZS 1258:1955 (BS 2014:1953) Projector spools for 16mm cinematograph film up to 2 000 ft. capacity.
NZS 1259:1955 (BS 2013:1953) Projector spools for 8 mm cinematograph film.
NZS 1270:1955 (BS 2470:1954) Hexagon socket screw and wrench keys.
NZS 1285:1956 (BS 2556:1954) Hand and breast drills.
NZS 1442:1959 (BS 2815:1957) Compressed asbestos fibre jointing.
NZS 1496:1959 (BS 1749:1951) Alphabetical arrangement.
NZS 1516:1959 (BS 2995:1958) Cast and forged steel valves, screwed and socket welding (sizes ¼ in to 2 in) for the petroleum industry.
NZS 1594:1961 (BS 3243:1960) Hand-operated chain pulley blocks.
NZS 1604:—— (BS 3117:——) Wheel pairs for locomotives and rolling stock (dimensions)— Part 4: 1961 (BS 3117: Part 4: 1959) Gibson ring tyre fastening.
Part 5: 1961 (BS 3117: Part 5: 1959) Machining and assembly (dimensions).
NZS 1666:1962 (BS 1120:1943) Diamond tipped boring tools.
NZS 1686:1962 (BS 3289:1960) Conveyor belting for underground use in coal mines.
NZS 1868:1964 (BS 3640:1963) Wire braid reinforced rubber hose, type A, and hose assemblies fitted with end couplings.
NZS 2096:1966 (BS 2489:1954) Sequence of measurements for printed matter (including advertisements and printing plates).
NZS 2104:1966 (BS 3790:1964) Endless narrow V-belt drives for industrial purposes: sections 3V, 5V, and 8V.
NZS 2111:1966 (BS 3884:1965) Machine tool unit construction.
NZS 2170:—— (BS 4019:——) Rotary core drilling equipment— Part 1: 1967 (BS 4019: Part 1: 1966) Basic equipment.
Dated at Wellington this 11th day of November 1974.
G. H. EDWARDS, Director,
Standards Association of New Zealand.
(S.A. 5-114/2/6)

New Zealand Electricity Department—Schedule of Works and Services Contracts for $20,000 or more in value
Name of Works
Office Extensions at Winton Depot ..
(N.Z.E.D. 35/46/SM)
Successful Tenderer Amount of Tender Accepted $
A. J. Summers 30,769.62
C. M. BAMBERY, Acting General Manager.