Floors to be finished with varnish shall be given one coat of floor varnish, thinned by adding one pint of turpentine to each gallon of varnish, and two coats of first quality elastic floor varnish. The floor shall be lightly sandpapered with fine sandpaper after the first varnish coat is dry. Oak floors shall be given one coat of paste filler, rubbed off, before the first varnish coat is applied.

15. Painting Structural Steel and Iron Work.

All structural steel and iron work, including pipe railings and castings, in addition to the shop priming coat specified in the section of these specifications covering "Steel and Iron Work" shall be given two (2) coats of the Company's standard exterior or interior paint as directed. Surfaces in contact or inaccessible after erection shall be given one (1) field coat before assembly or erection.

16. Painting Sheet Metal Work.

All sheet metal work (other than copper), including flashings, gutters, rain conductors, skylight frames, and metal roofs, shall be given three (3) coats of an approved metal paint, of such colors as may be directed by the Engineer. Surfaces of tin or galvanized sheet metal work and iron and steel in connection therewith, shall be thoroughly cleaned of grease, oil and traces of soldering flux before any paint is applied. Surfaces that will be unexposed after being placed and the under side of metal roofing shall be given one coat of paint before being installed. Before the priming coat is applied to galvanized sheet metal work, the surfaces shall be washed with a weak solution of vinegar, or a solution of sal-soda and water, using one pound of soda to three gallons of clean water. This wash shall be allowed to dry twenty-four (24) hours before the priming coat of paint is applied. Surfaces inaccessible after erection shall be given a priming coat and one other coat before being erected Paint shall be applied with hand brushes and well rubbed in. No dipping will be permitted.

17. Painting Plastered Surfaces.

After they are thoroughly dry, plastered walls and ceilings shall be given one coat of approved alkali-proof wall size and two (2) coats of approved interior wall paint with flat or eggshell finish, applied strictly in accordance with the manufacturer's directions. Each coat shall be allowed to dry not less than twenty-four (24) hours before the next coat is applied.

18. Painting Brick and Concrete Walls.

Interior brick and concrete wall surfaces except in basements and roundhouses shall be given three (3) coats of lead and oil flat wall paint of colors selected by the Engineer. Care shall be taken to see that these surfaces are free of all moisture before any paint is applied.

19. Painting Piping and Radiators.

Exposed piping and radiators in waiting rooms, offices, living rooms, lavatories, etc., shall be given one priming coat and two finishing coats of paint of an approved brand and color. Surfaces subjected to heat, such as steam piping and radiators, shall be painted with heat-resisting paints.

Exposed piping in basements, shop buildings, etc., and concealed piping which is not to be covered shall be painted two (2) coats.

Covered piping shall be given one coat of paint before the covering is applied, and the covering when in place shall be given two (2) coats of paint of approved brand and color.

20. Painting Interior of Roundhouses.

The interior walls, posts, etc., of frame roundhouses and all wood framing and sheathing of all roundhouses shall be given two coats of light colored fire-resisting paint. For a distance of six (6) feet above the floor all walls, posts, etc., shall be given two (2) coats of lead and oil paint of a dark color as selected by the Engineer.

All interior brick and concrete walls in roundhouses shall be given one (1) coat of light colored cold water paint or whitewash from a point six (6) feet above the floor to the under side of the roof, and three (3) coats of dark colored lead and oil paint from the floor to a height of six (6) feet. Cold water paint must be carefully brushed in so that one application will entirely cover the masonry surfaces with an opaque

coat.

21. Staining Shingles.

All shingles on roofs and walls shall be dipped or given two brush coats of approved creosote shingle stain. The stains shall be kept thoroughly stirred and shall be applied without dilution or adulteration to the thoroughly dry shingles. In dipping all shingles shall be immersed butt end first to a depth of three-fourths the length of the shingle.

22. Sign Painting and Lettering.

The Contractor shall paint all necessary names, letters and numbers on all doors, signs, notice boards, etc. Letters and numbers shall conform to the Company's standard as to size and style, and the work shall be done by skilled sign painters.

23. Samples of Painting.

Before beginning any painting the Contractor shall submit for the approval of the Engineer two (2) samples of every kind of finish on wood blocks, and the final finishes shall conform to the approved samples.

24. Glazing.

The Contractor shall furnish and set all glass of every description for window, door, transom, and ceiling sash, including metal sash and all glass in skylights and marquises. Sash must be primed and thoroughly dry before any glass is set.

All putty, excepting for metal sash, shall be first quality white lead putty mixed with pure linseed oil.

Unless otherwise marked on the drawings glass for wood sash shall be American, double strength, Class "A."

Glass for main entrance doors shall be polished 4 inch plate glass. Glass for skylights, marques, metal sash and metal doors, unless otherwise specified or called for on the drawings, shall be one-quarter inch (4") factory ribbed wire glass.

Where opaque or figured glass is called for on the drawings, this shall be Florentine, Maze, or other "approved" figured glass.

Samples of all glass to be used shall be submitted to the Engineer for approval, and all glass to be used in the work must conform strictly in quality with the approved samples.

GLAZING IN METAL SASH.-Glass in metal sash and doors shall be bedded in litharge putty, then clips or stops applied, back puttied and neatly face puttied; finished surface of putty shall show absolutely smooth, true and free from sags or wrinkles.

GLAZING IN WOOD SASH.-Glass in wood sash shall be back puttied, securely fastened with glaziers' points and neatly face puttied.

GLAZING IN DOORS.-Glass in wood doors shall be fastened in place with removable wood stops.

Glazing Skylights and MARQUISES.—Glass in skylights and marquises shall be secured in place by the use of copper strips and copper screws and shall be made watertight.

25. Final Cleaning.

Before the building is tendered for final acceptance all broken glass shall be replaced, all glass of every description shall be thoroughly cleaned, and all paint stains removed from floors, walls, brickwork, marble and finished surfaces.

26. Application of General Conditions.

All materials entering into the work and all methods used by the Contractor shall be subject to the approval of the Engineer, and no part of the work will be considered as finally accepted until all the work is completed and accepted.

The General Conditions as given in Section 1 of this specification shall be considered to apply with equal force to this section of the specification.

1. General.

SECTION 10
Plumbing

The Contractor shall furnish all labor, material, tools and equipment, except as otherwise noted, to entirely complete the plumbing work, as specified or shown on drawings, including all fixtures, drains, water supply and all piping and sewers to a point five feet outside of building, all of which shall be considered as included in the plumbing work. Piping and sewers beyond a point five feet outside of building will be paid for on a unit price basis.

The Contractor shall do all necessary excavation of every description in connection with the plumbing work. The bottom of all trenches shall be carefully shaped to give uniform bearing for pipes. No backfilling shall be done until test and inspection have been made by the Engineer. Trenches shall be filled by ramming and puddling, the filling being brought to the proper grade.

3. Arrangement of System.

The arrangement of the system shall be as direct as possible, avoiding unnecessary bends and offsets. Vertical runs of cast iron pipe shall be firmly secured in position with strong iron pipe hooks placed under each hub, and stacks must be properly supported at the bottom. Horizontal runs under floors must be placed in position and tested before floors are laid.

Changes in direction of soil and sewer pipe shall be made by means of one-eighth (%) bends and "Y" branches and not with one-quarter (4) bends.

Fittings receiving risers shall be set with the top of fitting at the surface of the finished floor and shall be securely clamped in position.

All horizontal runs of sewers 6 inches or less shall have a minimum fall of % inch per foot.

4. Cast Iron Pipe and Fittings.

Concealed soil, waste, drain, sewer and vent pipes in building shall be extra heavy cast iron soil pipe. Pipe shall have the maker's name cast thereon and shall be in lengths not less than five (5) feet. It shall be sound and free from defects and with the inner and outer surfaces concentric and smooth and of the following weights per linear foot.

Fittings for cast iron pipe shall be extra heavy cast iron of the same make as the soil pipe, and shall be of the same inside diameter as pipe with which they are connected. Unless otherwise specified, cast iron pipe and fittings must be coated with hot asphaltum both inside and outside by dipping. Fittings for the junction of cast and wrought iron pipe shall be cut at one end with full threads, and fittings, supporting risers shall have proper shoes cast on them.

Water supply pipes larger than 21⁄2 inches diameter located below ground shall be Class "B" cast iron pipe, in accordance with the specifications of the American Water Works Association, unless local conditions require the use of heavier pipe.

5. Wrought Iron Pipe.

Wrought iron pipe shall be galvanized, genuine wrought iron of Standard weights and dimensions cut with full threads with all burrs carefully reamed out before connecting. Fittings used with wrought iron soil and waste pipe shall be recessed cast iron drainage fittings. Fittings used with galvanized water supply pipe, shall be heavy beaded galvanized malleable iron except where brass is specified.

All exposed soil, waste and vent pipes in the building shall be genuine wrought iron.

6. Lead Pipe.

Lead pipe shall be of the weight known as "Strong" lead pipe. All water supply pipes 21⁄2 inches or smaller, located below ground, shall be lead pipe.

7. Brass Pipe.

All exposed supply or waste pipe to fixtures, including connections to faucets, etc., shall be nickel plated brass, unless otherwise specified.

Brass pipe for water supply shall be seamless drawn semi-annealed brass pipe of iron pipe sizes, heavily nickel plated. Brass pipe fittings shall be heavy beaded cast brass heavily nickel plated.

8. Fixtures.

The Contractor shall furnish and install complete, in proper working order, the following fixtures, locations of which are shown on the drawings. Fixtures shall be as manufactured by

or approved equal, and shall conform to the typical types of fixtures, shown in Appendix "A" of this specification.

LIST OF FIXTURES