This section is from the book "Cyclopedia Of Architecture, Carpentry, And Building", by James C. et al. Also available from Amazon: Cyclopedia Of Architecture, Carpentry And Building.
Bathtub to be painted outside, four coats; last coat to be an enamel gloss coat.
Plaster walls, but not ceilings, in kitchen, pantry, and china closet and throughout bathroom, to be painted 1 coat sizing and 3 coats paint, last coat to contain varnish to leave gloss. All ceilings to be sized and tinted.
Provide and set up complete, where Shown on plans, a hot-air furnace of approved make, to be of cast iron, with stated and sufficient area of grate and heating capacity to keep building at 70° temperature, Fahrenheit, when thermometer is at zero outside.
The cold-air box is to be No. 24 galvanized iron, with all joints riveted tight, and with such bracing as will effectually prevent the sagging of the top. It is to be fitted to the cold-air inlet and at delivery inlet, and is to have a balanced, close-fitting damper which, when open, will give full passageway for air.
Furnish registers and connect to pipes, with valves in each. Registers to be of black-Japanned cast iron, with tin boxes and borders. In library, register is to be bronze; and in reception room, of white enamel, approved quality and design.
Schedule: - Registers are to be laid out according to an approved schedule submitted by each bidder, showing size, finish, etc., for each room, with size of supply pipe. Locations are to be as shown on lans or as approved in building, before proceeding with work.
All joints in cast-iron pipe are to be made tight with oakum and lead, well calked.
All lead, waste, and vent pipe branches are to be of best-quality drawn lead, of the following weights per foot:
1 1/2-mch................3 lbs.
2 -inch................4 lbs.
3 -inch................6 lbs.
4 -inch................8 lbs.
All connections of lead and iron pipes are to be made by heavy brass ferrules, same size as lead, calked with lead.
Joints between ferrules and lead pipes, to be wiped.
All lead pipe joints to be wiped.
All vertical lines of iron pipe are to be held in place by pipe hangers or wrought-iron clamps, placed 5 feet apart. In horizontal lines, they must be not more than 10 feet apart.
All lead pipes are to be secured in place with metal tacks or brass clamps, placed 3 feet apart; and horizontal pipes are to be supported their entire length by carrying strips.
All horizontal drain and waste pipes are to have a fall of not less than 1/4 inch to the foot.
All changes in direction must be made with Y (45°), 1/8 (22 1/2°), or 1/16 (11 1/4°) branches.
All connections with horizontal pipes must be made by Y branches. TYs (sometimes called "Sanitary Ts") may be used on vertical pipes.
All exposed brass-work to be nickel-plated, except in basement and kitchen, where it is to be polished.
All cleanouts to be same diameter as pipes with which they are connected.
All traps must be vented - 4-inch traps by 2-inch branches; 2 inch and 1 1/2-inch traps, by 1 1/2-inch branches.
The water test must be applied to the entire system of piping, in the Architect's presence and to his satisfaction. All pipes and connections must remain uncovered until they have passed the test.
On completion of the work, after all fixtures are set, the smoke test will be applied, and must prove satisfactory to the Architect.