- Description. Provide and put in gas piping according to this specification, and as shown on plan, according to the rules of the local Gas-Light Company.

Cutting to be done by carpenter, not by gasfitter. No floor beams to be cut further than 2 feet from bearings.

Piping

Piping to be wrought-iron; fittings, of galvanized malleable iron, set with red lead, firmly fastened. Make sure that pipe is free from obstructions, before placing in position. Gas-fitters' cement not to be used.

Following is the scale of sizes of pipes and number of burners (not outlets) to be supplied therefrom.

Longest run in feet

20

30

50

70

100

150

Size, pipe, inches

3/8

1/2

3/4

1

1

2

Number of burners

2

4

15

25

40

70

Testing

Piping to be tight under pressure of air equal to column of mercury 6 inches high. Mercury to stand without failing for half an hour. Outlet caps to be loosened to show that they affect testing apparatus, and that there is no obstruction in pipes.

FRONT AND REAR VIEWS OF RESIDENCE AT CLEVELAND, OHIO

FRONT AND REAR VIEWS OF RESIDENCE AT CLEVELAND, OHIO

Frost & Granger, Architects, Chicago, Ill.