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jain outstanding features in the way of refinements of detail warrant spécial mention. They are as follows: j, Electrical outlets. All piers are fully equipped with suitable outlets for every kind of portable equipment such as saws, grinders, welders, high cycle machines, ete. An important point to stress in this connection is that either AG or DC current can be furnshed for shore connectons. 9, Unusually good lighting facilities. Night work to be efficient requires plenty of good lighting. Every pro- yision has been made for this require- ment by floodlights and other auxiliary lighting equipment. 9 Protection against fire. The in- direct losses resulting from fires are oftentimes greater than the direct ones, and efforts made to reduce the normal hazards are more than warranted. Water lines are provided on all docks and piers and have the necessary con- “nections for hose. A salt water pump delivers water at 90 pounds pressure. Outside fire fighting facilities are also readily available. A city fire station is located within a quarter of a mile of the plant and a special telephone line gives immediate response to calls. In addition, a city fire boat is also located within a short distance. 4. Practically all of the equipment in the plant is electrically driven by direct drive. Belt drives have been eliminated. The various units which go to make up the plant will now be taken up in detail in the same sequence that would normally be followed by a visitor going through the plant. The Atlantic works at 80 Border street, is conveniently located and eas- ily reached by a number of ways: (a) By East Boston subway from Boston to Maverick square, which is five minutes walk from the plant. To- tal time about fifteen minutes. (b) By the narrow-gage railway ferry to Jeffries Point, which is only two minutes walk from the Simpson Works. The Bethlehem corporation Maintains bus connections every half hour with the Atlantic works. (ce) By automobile via.Charlestown and Chelsea or across one of the two municipal vehicular ferries. (d) The new East Boston vehicular tunnel, when completed, will give di- tect access to the plant. The main office building, 173 feet _ long by 40 feet wide has four stories and is of brick. On the first and sec: ond floors are located the various ad- Ministrative offices, accommodations for clerical and engineering forces, lunchroom for plant officials, foremen _ ‘nd visitors, locker rooms, shower aths, and other facilities for the con- Yenience of surveyors, etc. A part of the first floor is used for a carpenter Shop. The pattern shop is located on : the third floor and pattern storage q lacilities are provided on part of the third floor and all of the fourth floors. ay th A Saad An engineering and drafting room lo- cated on the second floor is competent to solve many troublesome problems which arise from time to time for ship- owners. The main entrance, as will be seen from the illustration, is simple in de- sign and includes a brick gate house, etc. Just adjacent to this, housed in one new building on Border street, are the hospital and employment bureau. An important unit is the power house which is fully equipped to take care of the maximum peak power demands of the works as well as the heating of the various units. Forty-six hun- dred volts, 60 cycles, 3 phase current is brought in from an adjacent city gen- erating station and stepped down to 440 volts. Four hundred 40-volt motors are used for operating the va- rious machines which form a perma- nent part of the plant equipment. Two hundred twenty volt direct current can also be supplied and for this pur- pose two motor generator sets, one of 200 kilowatt capacity and one of 125 kilowatt capacity, are provided. Additional equipment in the power house includes the following: Two 100-horsepower each Scotch dry back type boilers built by Atlantic works, fired with Bethlehem (Dahl) oil burners. One motor-driven 1600 cubic foot capacity air compressor. One steam-driven 100 cubic foot compressor for standby purposes. A salt water pump does double duty furnishing water in the case of fire and also hot salt water for the marine rail- ways. Hot salt water obtained by heating with the aid of a mixing valve is a necessity in this locality during the winter months. It is not only needed for thawing out the railways but also for cleaning ships which come in heavily coated with ice. Hot fresh water cannot be used as it freezes right away. A very small amount of salt is sufficient to prevent this. A separate eight car garage with a repair shop at- tached is located near the power house. All metal working shops are housed in four adjacent units or shops so built that the whole area can be reached under cover without going out in the AUNAUUUAAQUUUUOULAUULCUNCUUMALULUEHTNNT Small bay of ma- chine shop looking toward heavy tool vay, Atlantic Works, East Bos- ton, Mass. cQUIAANUUUUSUIUUUUTUTEUETLTTIUTTUT MARINE REVIEw—November, 1931 open. All the buildings are of brick and structural steel. The machine shop is considered one of the finest in New England. It is combined with a pipe shop in a new building about 230 feet long by 90 feet wide. This building has about 20,000 Square feet of floor space divided up into two bays, one high and one low, running the entire length. The high bay is equipped with a 15-ton crane and a 5-ton auxiliary hoist. The low bay is served by 5-ton overhead crane. Available equipment includes planers, one 200-ton hydraulic wheel press, ra- dial drills, horizontal boring mills, slot- ters, vertical boring mills, the largest of which is 60 inches x 122 inches, vertical and horizontal milling ma- chines, shapers, lathes of various sizes, up to 51 feet long and 93 inches swing, and miscellaneous tools including grinders, drill presses, bench drill, speed drill, ete. Pipe of any size up to 12 inches in diameter can be handled in the pipe shop. Six threading machines ranging from two inches to 12 inches in ¢a- pacity meet the present requirements. The copper shop is located next to the boiler shop. It is equipped for work of large size and contains all of the usual machinery such as large hy- draulic pipe bender, drill press, grind- er, forge fires and crane. Any class of work that comes under the heading ship repair work can be satisfactorily handled. The boiler shop is located adjacent to the machine shop and combine with- in itself the functions of boiler shop, blacksmith, sheet metal and structural fabricating shops in one. Total floor space is approximately 24,000 square feet. There are two bays, a high one served by a 25-ton overhead crane and a low bay served by 3-ton monorail system together with several jib cranes. The Atlantic works absorbed the Robinson Boiler works, a well known East Boston concern, in 1894. The present boiler shop facilities include a wide range of equipment and many subsidiary shops for various classes of work. : 57