"Lintels—Angle and channel lintels are to be provided for all the openings in interior brick and stone walls of the sub-basement and base ment as directed.
"Staircases—All the staircases throughout are to be built of iron, with slate treads and platforms.
"All strings are to be of channels, with proper corner mouldings at the walls; and all risers are to be of cast iron.
"Fasciae are to be provided to cover the stair case framing beams of crimped wrought iron No. 16, with angle-iron top to receive the railing, and angle at bottom to finish the ceiling, etc.
"The railings to be plain square bars Vs-inch iron, spaced 5 inches on centers, with cast-iron newels, and handrail bar inches by inch, ready to receive the wooden handrail. All neces sary railings are to be provided, including the horizontal railings with cast-iron newels.
"The lower partition of the staircase to the second story in back of the elevator, to the door on the landing, is to be made with concealed strings and risers ready for marble (see plan No. ). The upper part of the stairs to the second story is to be constructed with string to carry partition enclosing the same.
"The treads and platforms of all the stair cases except part on first story at back of ele vator, are to be of slate to be inches thick, with rounded edges on the nosings. Landing steps are to be provided for all staircases, and are to be 6 inches wide. All slate to be clear black, and to be rubbed and finished, except the under side; and all must be securely fastened, and must be warranted not to come loose within one year after the completion of the building." Another guarantee out of its proper place.
"Wrought-iron plates not less than inch thick are to be provided for all treads and land ings under the slate, as required by the Building Code.
"On completion of the building, when di rected, all slate work is to be well cleaned and oiled with raw linseed oil; and after the building is occupied, and at such time as directed by the Architect, a second coat of oil is to be applied.
"Ladders—Provide and set the following ladders: One from the sixth story to the roof; one for the tank on the roof; one from the roof to the deck-house roof; and one from boiler room to the sidewalk; all to have strings made of 21/2 inch by iron, with double rungs; the ladder on the roof to have 6-inch by foot-plate; and all to have handrails as directed.
"All the doors to the elevator shafts, except the basement and sub-basement, are to be of wrought-iron tubing, with wrought-iron mould ings, etc., glazed with rough plate wire glass. The doors to the easterly elevator are to be ar ranged for one to slide and the other to be stationary; and the doors to the westerly ele vator to be arranged for one to slide, and for both to swing out into the hall on pivots to allow full opening for freight. The overhead tracks to be ball-bearing; and approved latches are to be provided, to open on outside with key only. Angle-iron frames 6 inches by 4 inches, extend ing to the ceilings, are to be provided for all the iron frames above specified; these angle frames to have one leg in the shaft to form trim, and the leg on outside to be cut out over the door so that same does not project beyond the fireproof blocks, and plastering can extend over the same as directed. Heads of wrought-iron angles or of cast iron are to be provided as directed, and are to be arranged to allow room for overhead tracks. All to be properly arranged, and fast ened to the floor and ceiling beams as directed.
"Angle frames are also to be provided for the elevator door openings of the basement and sub basement, cut for plastering, etc., same as the upper stories.
"Wood metal-covered fireproof doors are to be provided for the basement openings of the shaft, to be arranged to slide the same as other doors above and to be glazed with wire glass." More careful specification should be made of details of these fireproof doors. The types of fireproof doors on the market, and those made by contractors, vary widely.