Trenches

Excavate the ground to the depths and widths required for the various drains and foundations according to plans; deposit where directed or cart away; part fill in and ram to all footings and walls.

Surface Earth

Remove the surface earth to an average depth of 6 in. over the whole site; wheel and deposit where directed or cart away.

Brick Rubbish

Lay dry brick rubbish over the site between walls; level up and well ram to within 6 in. of finished surface to receive concrete.

Concrete

Put concrete composed of six parts of hard clean material (flints, broken brick, or as otherwise approved), one part sand and one part of best blue lias lime, under walls, of the widths and depths shown.

Lay concrete 6 in. thick, composed of one of Portland cement to six of gravel or broken brick, under all floors; those of the scullery, coal place, larder, and w.c. to be floated with i in. of Portland cement and sand of the proportion of 1 to 3 trowelled to a smooth surface, and all others to be roughly levelled.

Drains

Lay drains where shown on plans with 4-in. glazed stoneware socketed pipes, thoroughly burnt and free from all defects, jointed in cement and laid, with a fall of 1 in 40 ft., on and surrounded in 6-in. concrete composed of one part of Portland cement to six of gravel or broken bricks.

Provide all necessary bends, junctions, etc., and connect to sewer in road in accordance with local regulations.

Drain Test

All drains to be tested with water to the architect's satisfaction before the concrete is filled in.

Fresh Air Inlets

Provide fresh air inlets of approved maker, fixed where shown on plan, and connected with 4-in. stoneware pipes jointed in cement to disconnecting' chamber.

Gullies

Provide gullies where shown to take discharges from sink wastes with galvanised grid with one 4-in. intake each for rain-water drains, and form coping in cement and sand in proportion of 1 to 3.

Rain-Water Shoes

Provide and fix rain-water shoes with galvanised grids at all down pipes, except that which discharges over gulley outside scullery (centre house).

Disconnecting Chamber

Form cement concrete bed 6 in. deep below invert of channel pipes to disconnecting chamber, lay one course of bricks along each edge of main channel, and bench up with cement concrete so as to fall to top of this course of brick or to branch channels.

The bottom and sides of chamber are to be rendered in cement and sand in proportion of 1 to 3.

Provide and fix approved 4-in. brown intercepting sewer trap at outlet from chamber, the main half pipe through chamber to be 4 in. diameter 3 ft. long, and the branches to be 4 in. laid to cascade into main channel, and to be three-quarter round in section, and to proper bends to discharge in direction of flow of main channel.

The walls of chamber are to be in 9-in. stock brickwork in cement mortar (1 to 1), corbelled in to take the 2 ft. 7 in. by 1 ft. 10 in. galvanised cover, and to be fixed level with surface of back garden, and are to be rendered internally in cement mortar.