This section is from the book "Modern Buildings, Their Planning, Construction And Equipment Vol6", by G. A. T. Middleton. Also available from Amazon: Modern Buildings.
Pay fees and make connection with nearest main, and lay on gas to point in house hereafter decided, with 3/4-inch galvanised-iron pipe. Excavate trench for same, and fill in and make good.
Fix meter where directed, and take 3/4-inch wrought-iron gas tubing to centres to dining-room, drawing-room, and hall, and wall brackets in bedrooms, bathroom, and kitchen, with 1/2-inch branches to the various fittings.
Fix stop-cock and condensation pipe to clear pipes of water at lowest points in pipes.
Pipes to be jointed in red lead and tow with all necessary connections, diminishing pieces, T-pieces, heads, nozzles, etc.
Allow for attendance, etc., and make good and leave perfect at completion.