D.—l.

Public Works Department Construction Works— continued.

5 —D. 1.

65

Name of Work. Nature of Work. Type of Plant used. Savins Remarks (including Lead and Useful — B ' Data): Time Comparison. Hand. Machine. Gisborne - Waikokopu, Bartlett's Loading heavy silt into motor- Mechanical loader and petrol- j Is. 3d. 5-58d. Considerable waiting-time would Section .. .. .. trucks driven tractor, with bulldozer be involved by using hand n . , . , | loading, which adds to cost, (jiaborne Aerodrome .. .. Excavating and filling .. .. Mechanical excavator .. .. Is. 5d. to Is. 6d. 6d. to 8d. 60-0 Actual machine costs against estimated cost by hand shows a . . saving of £1,651 bv machine. " •• •• Excavating and filling .. .. Diesel tractor angledozer and Is. 5d. 5-3d. 70-6 Shows difference of £121 on yard--py.. , , _ . scoop a g e to date, 2,500 cubic yards. Plimmerton coast road .. .. Excavatmg m clay .. .. Diesel tractor and bulldozer .. Is. 9d. 2d. 90-5 Invercargill and Gore airports .. Construction.. .. .. Diesel tractor and scoop .. 3s. 0-8d. Is. 2-2Sd. 62-2 Hand labour used at Invercargill w . , , and machine at Gore. Waianakarua Airport .. .. Removing and replacing topsoil, Diesel tractor and scoop .. 4s. Id. Is. 9d. 57-1 levelling average lead, 8 chains Duck Creek drainage scheme .. Draining .. .. .. Diesel crawler drag-line .. 2s. 8-17d. 8-50 75-0 Actual hand-labour cost against „ , t. t> j i IT ™ 1 tendered price with machine. Haast "ass Road and Homer Clearing road formation and bush Diesel tractor.. .. .. £9 per lineal chain £6 8s. per lineal 28-8 Hand labour on Homer-Mc-McEerrow Road work chain Kerrow Road against machine on Haast Pass Road, and South Island Main Trunk Railway, Removing " blue " slip in blue pug -J yard by f yard Diesel crawler 2s. 9d. 10-21d. 69-7 Wharanui Section shovels South Island Main Trunk Railway, Excavating mixture of clay and Diesel shovel, crawler type .. 2s. lOJd. I5-68d. 55-0 Kaikoura Section boulders Westport - Inangahua Railway, Excavating clay, shingle, boulders | yard Diesel crawler drag-line ! 3s. 3d. Is. OAd. 68-0 Inangahua end 'excavator Ditto •• •• •• Excavating rotten rock to spoil .. f yard crawler Diesel excavator.. 3s. 6d. Is. Ofd. 74-3 • • Digging heavy shingle to bank .. | yard Diesel excavator, crawler 3s. 9d. Is. lid. 48-8 20 chains lead. type • • •• Digging shingle with papa bottom f yard Diesel crawler excavator.. 3s. 6d. Is. ll|d. 44-0 40 chains lead. Westport-Karamea Main Highway, Digging and loading clay .. Diesel crawler excavator . . 5s. 7d. 2s. 6d. 60-7 1 mile haul of spoil for filling crossing elimination . . , , , bridge approaches. Haramea liiver control .. jb ormmg river stop-bank, shallow i Tractor and scoop .. .. j 3s. 6d. 6d. 85 • 7 Earth from paddocks. earth cuttings ! i Western Hutt Road .. .. Excavating river-bed .. .. Diesel crawler-type excavator .. j 2s. Id. ll-7d. 64-7 Actual costs in both cases. Whirokino Deviation .. .. Excavating peat .. .. | yard Diesel excavator, crawler 2s. lOd. 10-45d. 69-1 Actual costs in both cases ! type j ; ,, .. Erection of stop-bank .. ..I fyard Diesel excavator, crawler Is. ll-44d. 8-ld. 65-2 Actual costs. type „ .. .. Trimming high batters of filling | Diesel drag-line, fyard crawler 2s. 0-7d. 7-33d. 70-8 and removal of bad material type " I