STEAM PLANT. tion for Steam Plant. (Note. This specification will be found 200. Specificaapplicable to many central station plants up to 200 h. p. or 300 h. p., and for isolated plants where the conditions imposed by municipal and insurance regulations, considerations of the utilization of exhaust steam, or of combining a heating and power plant, and questions of a similar nature do not require special attention. The forms of Warning, Preamble, and General Specification are, with but slight changes, also adapted to this specification.) This contractor shall furnish and erect, complete in all its details, the following steam plant: 202. Fittings. These engine(s) shall be capable of indicated horse-power pounds initial steam pressure at the throttle, sure, pounds back pres cut-off and revolutions per minute, and must be designed in all their its }parts indefinite periods. The variation in speed from no load to full load shall not exceed per cent. All material and workmanship shall be of the highest grade; all parts accurately made to standard gauge; all moving parts carefully balanced; all valves and packing free from leakage. { They It shall operate noiselessly and without vibration when set on (a) suitable fcundation(s) and properly piped. a Each }engine shall be provided with foundation plate, full height foundation box, founda tion bolts and washers, sight feed cylinder lubricator, throttle valve, sight feed oil cups, full set of wrenches, governor pulley, driving pulley of proper dimensions for driving the dynamo selected (and all necessary pipes, valves, reducing motion and attachments for taking indicator cards. Indicators to be furnished by the purchaser.) are (Note.—If the dynamo(s) { 5 } is to be direct driven by the engine(s) there should be added to the above specification the type or types of dynamo(s) which may be selected from; the method of connecting engine(s) and dynamo(s); and any special fittings such as extension to engine foundation box, extended shaft, out board bearing, spot for supporting fields, attachment for securing brush-holder, etc.) (As required.) 203. Painting. 204. Founda- The foundation(s) for the(se) engine(s) tions. contractor) shall be built by the purchaser } of laid, and shall be of sufficient length, width and depth to safely and firmly sus tain {} which their its Y weight and all strains to they are } subjected. All neces sary excavating or filling and the removal of all debris shall be done by the { contractor. I purchaser. The foundations shall be of such height that the driving pulley(s) (Note.-Foundations for direct-connected outfits should extend under both engine and dynamo.) (Character of the soil should also be specified, and the method of isolating and insulating the foundation if required.) (Note.-If this contractor furnishes 205. Starting plant complete, this section can be put Plant and Instruction. will be furnished by (the purchaser). nance, and operation of the engine(s), plant, } such instructions to be given during the trial period stipulated above. double leather, endless, solid | 66 66 forated link cotton-leather rope, etc., 66 per belts 206 Belts. |