"All face bricks must be of uniform color throughout, and must be properly gauged, laid in La Farge cement mortar tinted as directed, with joints struck and trimmed to the satisfaction of the Architect.
" All face brickwork must be delivered clean and in perfect condition.
"Pieces resting on iron lintels or beams are to be properly rabbeted and fitted.
"Each piece of terra-cotta is to be properly marked; and the Contractor must prepare, at his expense, and furnish to the setter at the building, plans and diagrams drawn to a uni form scale, showing the location of each piece; and must also furnish full-size sections, showing the projections of the various parts, in accord ance with the Architect's detail drawings.
"All the terra-cotta work must be free from accidental injury, spalls, cracks, discolorations, or other defects. Pieces that are repaired, patched, or painted will not be accepted.
"All parts of the elevations, not fully drawn in all details, showing the parts blocked out, are to be executed in the same manner as the cor responding parts fully drawn and tinted.
"All models and moulds are to be made by the Contractor at his expense. Models must be submitted to the Architect for approval before the work is executed.
"The terra-cotta work is to be set in the very best manner with La Farge cement mortar; necessary fitting and trimming are to be done by the Contractor.
"Each piece of terra-cotta is to be filled solid with bricks and La Farge cement mortar from back to the face of wall; particular care is to be taken to fill solid all parts under compression.
"The Contractor will be liable for all dam age to the terra-cotta work on account of im proper filling and setting; and all terra-cotta work which is cracked or broken within six months after the completion of the building is to be cut out and replaced at the Contractor's expense.
"Cleaning—On completion, all defective face brickwork and terra-cotta work must be cut out and replaced by good work; and all the brick work and terra-cotta work must be properly cleaned and delivered in a perfect condition.
"Slag roof is to be covered with five (5) thicknesses of the very best quality of tarred roofing felt; each layer is to be thor oughly asphalted with the very best quality natural asphalt, applied hot, without adultera tions. All to be covered on top with a good coat of the same kind of asphalt, and with W E or other equally good slag roofing, ap proved by the Architect." As has been elsewhere observed, "very best" is a general term which is a poor sub stitute for specific standards.
"Metal the flashings on the roof, at the brick walls, deck houses, skylights, ven tilators, cornice back, flagpoles, and other parts arc to be of 16-ounce copper, in no case to be less than 10 inches high in any place above the fin ished roof line; the scuttle curb is to be covered the full height, turned over on top 3 inches; at the roof, all flashings are to be 4 inches wide on the flat, imbedded in the roof covering; to set in all cases 3 inches into the brickwork; all to be set after the parapet walls are leveled off and asphalted, and all to be securely fastened. The roof over the basement, under the fire escape, is to be of 20-ounce copper, including all necessary flashings. Roofers' cement or paint skins are to be used for the brickwork.
"All tin work is to be of N. & G. T 0... S... or M...0. . .M..., or other equally good I. C. tin, 14 inches by 20 inches, all to be well soldered, nailed, and fastened, in the very best manner.
"All tin is to be painted both sides with .... metallic paint (double label) and pure lin seed oil, and allowed to dry before it is laid; and after it is laid, an additional coat of the same kind of paint is to be applied.
"The boxes for receiving the top of the rain water leaders are to be made of copper 12 inches square and 3 inches deep, properly flashed, folded over by iron frames, to be tinned on the inside; to have extra heavy galvanized wire netting protectors, covering the boxes; to be convex and properly hinged..