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down river sand and four parts of clean broken stone not over 2" in diameter, thoroughly mixed and rammed in place.

WALKS AND STEPS.

Use high grade Portland cement, clean sharp sand and clean washed gravel not over 11⁄2" in diameter.

Lay the walks in the front parkings, build the steps, cheeks and platforms and foundations thereof, bases of light shafts; build the steps and platforms from the first floor kitchen doors to the yard and build the walks across the rear of the house and provide bases 6" high to receive the wooden posts of the porches.

All to be composed of a base not less than 4" thick or a body formed of concrete, composed of one part cement, three parts sand and five parts gravel, thoroughly rammed and compacted.

Build bolts into the concrete work to secure railings, balustrades and posts in place.

Finish all of the above work with coat 1" thick, composed of equal parts Portland cement and clean sharp sand, trowelled to smooth even surfaces.

BRICKWORK.

The street fronts of buildings and yard walls of each house the width of the porch and chimneys above roof of house will be faced with select red brick of a uniform color.

The exterior walls elsewhere to be faced with hard red brick.

All brickwork for the interior facing of the exterior walls and all brickwork below the first floor joist will be of hard red brick.

The party walls above the first floor joist may be built of merchantable brick, but if salmon brick are used, they must be of first quality.

All brickwork up to the first floor level and chimneys above roof, except the exterior facing, will be laid in one part natural cement and two parts clean sharp sand.

All other brickwork to be laid in rich lime mortar, composed of best Washington lime and clean sharp sand.

Walls and piers to be carried up perfectly straight and plumb, worked in regular bond and tied in every sixth course, joints to be laid solid throughout and neatly pointed where exposed.

Lay a double course of heavy black slate in all walls and piers at the ground line.

Turn arches over all openings and in walls where sewers pass under, the brick in the street fronts to be cut accurately to the radius of the arches, straight arches will be cambered.

Line the flues from beginning to top with terra cotta pipes, the pipes to be set in place and the brickwork built around them and joints struck smooth inside.

Place terra cotta thimbles to each flue, making two to each apartment.
Place 5′′ x 9" cast iron vents in walls to roof space and below the first floor

joist in both front and rear walls and walls at base of light shaft.

Build wood blocks in walls to attach frames, baseboards, etc., to.

Place wood lintels over all openings and sills to windows.

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•SECOND FLOOR PLAN

THREE ROOM TWO FAMILY HOUSES

FOR WASHINGTON Sanitary|MPROVEMENTCO.

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•SECOND FLOOR PLAN.

• FOUR ROOM TWO FAMILY HOUSES ·

FOR WASHINGTON SANITARYİMPROVEMENTCO. '. HALF ST. BET.M&N.STS. SW. •

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