revclutions per minute, with —— lbs. initial {each engine shall be guaranteed not to S exceed a steam consumption of lbs. of dry steam per brake h. p. and per hour. The speed variation between no load and full load shall be guaranteed not to exceed Each per cent. The engine shall be provided with pulleys a band flywheel ( face. in diameter by All material and workmanship shall be of the highest grade; all parts accurately made to standard gauge and interchangeable; all moving parts carefully balanced; all valves and packing free from leakage. S They shall operate noiselessly and with out pounding or vibration when set on suita- $12 109 (Each) The S engine shall be provided with all 195. Fittings. necessary foundation bolts and plates, lubricators, oil cups, cans, drips, guards, collectors, steam and exhaust valves, safety cocks, etc., and a full set of wrenches and spanners. 196. Oil Fil ter(s). 197. Painting. 198. Foundations. Also with the necessary pipes, valves, and attachments, permanently connected with the engine, for taking indicator cards from both ends of the cylinder (at once). Indicators to be furnished by (the purchaser). of oil filter(s) (each) having a capacity (As required.) The foundation(s) for the(se) engine(s) shall be built by the contractor purchaser of ——, laid and shall be of sufficient length, width and depth to safely and firmly sustain S their its weight and all strains to which they are } subjected. All necessary exca it is vating or filling and the removal of all débris. shail be done by the {contractor; the height The purchaser; S of the floor line above the ground is foundation(s) shall be surmounted by (a) neat capstone(s) of upon which the engine(s) shall be placed. (If capstones are not specified, each engine should be provided with an iron sub-base or bed plate.) The foundations shall be of such height that the driving pulley (s) (clear of) will swing below } the floor (Character of the soil should also be specified.) 205 (Note. If this contractor furnishes plant 199. Starting complete, this section can be put before final Plant and Instruction. operation (they shall be run for a period days by competent engineers furnished by the contractor. sufficient supply of dry steam a suitable fuel be furnished by (the purchaser). will This contractor shall also give all necessary instructions to the engineer of (the purchaser) for the proper care, maintenance, and opera tion of the engine(s), } such instructions plant, to be given during the trial period stipulated above. by in width in length, and capable of transmitting horse-power at a belt speed of Such renewal parts as it is advisable to keep 201. Renewal on hand, adding hereto an itemized list of same. Parts. (See Note.-p. 47, sec. 27.) Each bidder shall fill out completely the following summary: Number of engines Size of cylinder Diameter of steam pipe Diameter of exhaust pipe Floor space Brake horse-power at -- revolutions, initial steam pressure, -back pressure, cutting off at stroke Speed Variation between no load and full load Number of pulleys Dimensions of pulleys Steam consumption per brake horse power and per hour of in diameter. turned steel hammered iron shafting (floor stands, drop hangers, post hangers, pedestals, etc. complete with adjust able, (self-oiling) boxes, base plates, bolts, tapped for set screws provided with key seats ( for the pulleys specified below, and (provided) with all necessary collars, guard rings, etc. set screws. key seats and keys. Pulleys to be in diameter by face, and capable of trans mitting horse-power at revolutions. arm, balanced friction-clutch pulleys, in diameter by face, and capable of transmitting horse-power at revolutions. Each pulley to be provided with a shifter rig, to be operated from -The clutch must pick up the load without shock or jar, and the shifter rig must be positive in its action, not liable to get out of order, free from any tendency or liability to be thrown in or out accidentally. (—— friction-clutch couplings, cut-off couplings, compression couplings, plate couplings, jaw clutches, etc.) tions. (Note.-Specify character of foundation 205. Foundaupon which shafting is to be placed, whether special foundations of brick or stone, floor timbers, wails, ceilings, posts, etc.) horse-power. front boiler(s) (each) rated at 206. Boiler(s). The boiler(s) shall contain not less than of effective heating surface and of grate area per rated horse-power. The |