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HARBOUR DEPARTMENT.
No. S. 24.-Sealed tenders in quintuplicate, which should be clearly marked "Tenders for the construction of Mooring Buoys", will be received at the Colonial Secretary's Office until Noon of Friday, the 2nd day of February, 1934.
Particulars: ;---
1. To construct two reversible mooring buoys 10′ 0′′ diameter and 8′0'
deep, each buoy to be fitted with 1,000 lbs portable cast iron ballast in four slabs, each buoy to be fitted with bulb angle irons and manhole doors on top and bottom.
Inside diameter of tube 24 inches.
Inside diameter between tube castings 19 inches.
as per specification to be seen at the Assistant Government Marine Surveyor's Office, Yaumati.
2. To construct two reversible launch mooring buoys 5' 0" diameter and 4' 0" deep, plating 5/16th inch. Each buoy to be fitted with eye plate 2'' diameter over doubling plate on top and bottom, each buoy to be fitted on outside with three 1"x2" half round chafing bars.
Supply two shackles 13" diameter fitted with pins extending 2" through shackle for clenching up.
Shackle pins to be fitted with forelocks and taper pins.
3. To construct one cylindrical buoy length 3' 6" diameter 2' 0" plating ".
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To fit one band round centre of buoy 3" X 3" with eye plate on top and bottom, with long link on each eye of 1" diameter.
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Supply one " diameter shackle fitted with pin extending 2" through shackle for clenching up.
Shackle pin to be fitted with forelock and taper pin.
4. To construct two 3 ton concrete blocks 4' x 4' x 4' reinforced with ton of old steel, sections in each block having cast into them one ?" diameter eye fitting.
Supply two 14" diameter shackles with pins extending 2" through shackles for clenching up. Shackle pins to be fitted with forelocks and taper pins.
All the above mentioned buoys to be cement washed inside, painted two coats red lead outside, water tested to the satisfaction of the Govern- ment Marine Surveyor and on completion Buoys and blocks to be delivered at Taikoo Dockyard.
18th January, 1934.
G. F. HOLE,
Harbour Master, dc.