B—7 [Pt. I]

DETAILS OF ESTIMATES FOR THE

DEPARTMENT OF LANDS AND SURVEY— continued

(a) A small stop-bank and flood-gate are required to prevent flooding of farm land. (6) Owing to land subsidence, an area of approximately 2,000 acres of productive farm land can now be effectively drained only by pumping, (c) Includes provision for three drag-line excavators ordered during 1947-48 but not yet delivered. 0) Investigative engineering surveys are necessary for successful drainage and river-flood control in the drainage districts. Surveys are to be conducted on a larger scale this year, (e) Previouslv provided for under item, " Waihi Drainage Area : main drain improvement."

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1947 -48. 1948-49. i VOTE—LANDS AND SURVEY— continued Voted. Expended. Subdivision No. II—Miscellaneous Services — ■ _ ~. continued £ £ £ Charges for and incidental to — continued • Drainage-works expenditure (part recover- . - . able — continued •' Kaitaia Drainage Area — •. ■-•• Works expenditure — ■ .' Enlarging main drains (on account, £7,500; expended, £669) 1.875 1,875 . : 669 Maintenance of completed works 2,700 2,700 2,480 Outlet to Waipapakauri (on account, £6,000; expended, £4,781) . ... 1,219 Reconstruction of flood-gates 305 450 145 Stop-bank, Puckey's Drain (a) 350 • • ... ■ Poukawa Drainage Area— Works expenditure: maintenance of completed works 470 450 . 460 Rangitaiki Drainage District: works ex- • ■ -. penditure — Maintenance of completed works 23,090 23,150 17,740 Old Rangitaiki Channel pumping area — Improvement to old channel, Rangitaiki River 1,230 1,500 270 Installation of pumping scheme (on account, £10,500; expended, nil), (part recoverable) (b) 6,000 .. Swamp land drainage — General (recoverable)— £ Purchase of plant .. .. 15,000 Plant operating .. .. 15,000 (c) 30,000 (d) 5,200 33,000 3,000 11,725 794 Investigative surveys Waihi Drainage Area : works expenditure — Lower Pongakawa Stream improvement (recoverable) (e) 2,736 Main drain improvement (part recoverable) 2,740 5,162 2,932 Maintenance of completed works 1,550 1,550 1,244