Ventilation and Heating.

The ventilation shafts as shown should be made of 11/8-inch boarding, fitted close together, with louvres and covering caps; these latter may be made of galvanized-iron. It will be understood that these flues will ventilate their respective rooms only, and that the small Ventilators, already specified to be made of galvanized iron, are solely for the purpose of ventilating the space between the ceilings and the roof proper. Fresh air is introduced through air-gratings, as shown in outer walls where directed, both direct into the rooms, as also through a horizontal channel to the inner wall in milk-room, on the Tobin principle; these latter may be made of wood.

Revolving Shelves.—Uprights for revolving shelves to be fixed where shown in floor-plan, and made of well-seasoned kauri. The different sizes are figured on the details. Every three shelves to be dovetailed together, and to swing on a pivot, as shown, to have all the necessary plates, screws, &c., complete. The uprights to be set on the sleepers immediately over a pile, as shown, and fixed at the top by being mortised into the tiebeams. At a height of, say, 7 feet from the floor, fix lintels to carry a 12-inch by 2-inch kauri plank, from which a man can work the upper revolving shelves. These planks to be placed in passages where air-gratings are shown on plan.

Shelves along the walls to be 16 inches by 1½ inch kauri timber, dressed, and sufficiently supported by iron or wood brackets, say every 4 feet 6 inches apart. This applies also to other fixed shelves in the other parts of the building.

All shelves, of whatever description, to be clean hand-or machine-dressed.

Cooling Vats.—Provide one cooling vat in press-room, where shown on floor-plan, to be made of 3 inch thick kauri, to be 2 feet 6 inches wide, 3 feet high to top by 8 inches deep in the page 29 clear, to be securely supported by plain stools; trough to have a watertight joint put together with white lead in joint only, to have stanchion waterpipe fixed to one end of the vat, proper stop-cock and an overflow pipe 2 inches diameter, with pipe down to the open drain below before mentioned; also provide brass plug and chain pipe to join the overflow pipe.