Bisbee daily review., 1911-12-31
The Roastlna Plant.

 for sixteen 1S-foot rOasters each with a capacity of 55 tons of fines per hour. This plant will have a brick lined dust chamber of ample capacity for settling fine dust carried with fumes. It will have a coppe- roof, as will blast furnace dust chamber.
 The Main Building.
 This will be lGS X sos feet in plan and will contain two blast furnaces. four reverbTatory furnaces. SIX con yerters, slag and casting department. This main building win be practically new throughout excepting crane sir ders for casting isle which will be ob- talEed for the old building.
 Believes in Copper Roofing.
 This building will be copper GOV cred. h is figured by Mir. Gresnway that the copper will last three times as long ais corrugated iron, the latter having to be replaced every few years and has no scrap value when rem dered unfit for roofing, whereas cop per has a considerable value for scrap.
 Big Furnaces.
 The blast furnaces will be 4S X 40 . rect from bins over charge floor into ! charge cars resting on platform scales ! where the ore will be accurately weighed, after which it will be han | died to fuTnnace by an independent motor mounted on the charge car, electricity being the power. These blast furnaces are elevated above the converter floor so that matte from the settlers will run directly to the conduits into launders. The slag will be carried away by slag cars running underneath. The dust chamber from this department will be of steel 60- li0 inches by 70 feet, ample 10 set tie the dust and also to care for the converter gases from the reyerbera- tory department
 The four reberatory hearths win be 19 \ 90 feet with room for a fifth furnace Each of these hearths will be equipped with waste heat boiler or 75O horse power and space will be left for economiZers. These furnaces will be charged directly from the cal cine cars running on tracks overhead. Matte will be tapped into large ladies and conveyed by cranes to the con yerters. The slag wiisbe skinned directly into large slaikJ tfos running CT h of furnaces.
 The main converter isle win be 5 feet wide and equipped with two 40- ! ton electric travelling cranes. 1t is proposed for the present to install six cOnvertCrs similar to those em- ployed at the Great Falls plant of the Anaconda company. 4 casting isle will be provided equipped with cranes from the old shelter These will be used for casting copper and converter slag and for crushing and handling secondaries, etc.
 Win Go Into the Sky.
 The chimney for the plant will he Of steel, brick-lined. will have bore of 25 feet diameter and will be 35e feet high. The fiues connecting with this will be short the level site ad- hitting this, as We before stated. The Power Plant.
 So long as no more than 500 tons . per day are being treated in the smell ! ter, as now, the present plant will be i sufficient. It Is thought advisable. however. 10 install another steam tur. bine, a duplicate of the present one and another motor generator set. The authorization also includes a water ] cooling tower for power house and furnaces, also a concrete floor for pow CT house and a new water tank.
 Transportation and industrial System.
 The main item under this head will 1 consist Of the installation Of the nee essary track system for the haulage of calcines, lue dust, slag, etc. Two siXteen-ton electric locomotives will be required and six 22j cubic foot slag cars. This item of slag cars is an important one as compared with the old equipment and will considerably cheapen the cost Of slag disposal The shops will be provided with a few more tools, the superintendent house will be improved, a new fireproof warehouse is also in the estimate, the steel for it 10 he taken from the old shelter building. A frenroof oil house with a Bowsef, or similar sys- tenn, will be constructed.
 Ground Has Been Prepared.
 There has already been consider able work done in grading and filling and preparing the site for the founda- tions. The estimated time to com plete this new plant is eighteen months but it would not surprise Iron ore, familiar with Mir, GTeenway's s D aAtA =AA+ ffNNI a Bb4AAAaA1 RAONtaFAAAA 10 see the work all done in less than this time, although estimates of this kind are usually too short.
 And What Does It All Mean? IL is pretty good evidence on it's face that Calumet & Arizona Is go ing into this new smelter work be. l cause it knows it has a future in the , mining and smelting business. It is a concern that would not go into the . new expenditure, involving So large ! a sum if there was not a proper foun . dalton for it to be seen in the mines ] at Bisbee.
 What Will 1t Save.
 We have no official estimates on the probable saving that will be eff fected 5y reason of this new plant | bHt we make a guess that it vii amount 10 fully 70 cents per ton OI the ore tonnage treated. or about sG4f per day. It nay exceed this by . liberal margin. This would mean 1 saving oyer present costs of abou
 a quarter of a million dollars an
 nually, and this based only upon th'
 present production of the cOmpany