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(ifiy-^^I- 
 
 It;, ; 
 
 SPECIFICATION 
 
 fOB TBI v 
 
 ■ /^ ; . .. - . ■ ■■ ■ . 
 
 BUILDING AND ERECTIN a OF TWO STEAM - 
 BpILERS FOR THE MONTREAL WATER 
 WORKS ACCORDING TO DR-^WING. 
 
 . ' The Boilers will be twb (2}m numbe^r and of |he kiiid Description. 
 vt known as the Lancashire' doable furnace single flue, -with ^ 
 
 1$ ■^ Gkloway tubes in each boiler, arid according to the ^ 
 
 drawing furnished with this specification of which there ^ i 
 are four (4) views, viz. Plans, Longitudinal, sections. 
 Front and Rear views. ' 
 
 The Boilers to be%' 3" diam, outside of shell and 26,' 0" DimensioM. 
 extreme length. • * > 
 
 , The Shell to be made 7/16 iron Buckley or Wyandotte Shell, 
 boiler i^te charcoal hammer ed, staniped 50,0 00 ; all longi . ^^_ 
 tudinal seams to be doubleiriveted throughout wlHi the **^' 
 best quality | inch rivets, 2 inch Jrona^ntrejo centre, to -^ 
 be chip^ and caulked^Ieaviiigf ' in width outside of^^'^* ^'^T^ 
 rivets and made perfectly steam and water tight. 
 
 The f'urnaces will be two (2) in number in each 
 boiler, and will be three (3) feet internal diam., made of 
 7/16" Buckley or Wyandotte fire box plate stamped 50,000. 
 The Furnaces as will be seen by the drawing are 7,' & ' in 
 length, perfectly cylindrical, and at that distance from the 
 junction with one flue running to the back end of the 
 boiler, this flue is flat in top and bottom with'semi-eircular 
 sides: this flue to be made of 7;16' iron Buckley Or 
 Wyandotte boiler plate, charcoal hammered stamped 
 50,000 and to be stayed throughout its length with 24 
 Galloway tubes as shown in drawing, s***i^^ ^ *^ 
 ' . The Fumacewill be in three letfgthsTiuialBwgeH and 
 
 yiv«t«d together, yv}^ * W0^8pl»t ITon ring 1 J' incU hj 4'' 
 
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>> 
 
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 Head Sheet*. 
 
 mches between each lengthy and riveted to head aheet^M 
 
 shown on d^wings, in the l>e8t possib^ manner ; the jomti . 
 
 chipped mi well cinlked. t::ftijrrtej^'-:^^^ 
 
 At a distance of l^M" frotathe junction of theinTnace 
 witn the #K flae« there will be a 'contrac*tionx>f ihat fine . 
 as shown in the plan of boiler, this ^^ is, l|^" wide 
 and will be contracted at this place tofcj" foy ^ width ^of * 
 12" in. as 8hown.;«*^^;-r->^ ^-^'^^^^T^' t-/^u^ 
 
 The Galloway tubes to be same as shown in^'drawingj,^ 
 viz 10*' diam. at top and 6}" diam. at bottom and flangedL^ ^ iu^Ut^' 
 top ami bottom, and made oi f" Buckley or WyandottiBi 
 extra flange plate, stamped 60,Q(M), each tube to be tested/ 
 to 200 lbs per square inch before riveted in place. 
 
 7^9" diam of i" 
 », stamped 60,000, 
 tion tt i ehM ti m . 
 
 -^ 
 
 *\ 
 
 The froht head shieefs will 
 Buckley or Wyandotte ejttra. 
 and will be wrati i fiolflrtinSy m 
 
 staying. 
 
 ./< 
 
 Steam Dnimt 
 
 J.V 
 
 The back head will be | " plate, same iron as in front 
 head, and flanged and riveted to sh^U and flcie in nsua^ • \, 
 manner: ^ ^' ■?•'- ■ ^^^ 4-' " "v '-■••■■. V- A 
 
 The head sheets^ f rem t, and back, will be staved to the_^^ h ^(ti 
 shell of boiler, by ftfc (^ giissets stays at Stf end, ffiTy]^^,^. 
 gussets to run woll back in to the sooand sheet of *lw 'ti^ 
 
 boiler, and fastened with double angle iron^o heiad sheets ■ 
 and shell, as shown. There will also bi^ imm {^ bolts W? /z, 
 ins. diam. rtfn through the entire length of boiler, and 
 fastened to head sheets with ntits and washers inside^nd :. ; . 
 outside as shown. 0-*- */ ^* ^ ^ ^ ^«c*J" K W ^*^>^ 
 
 steam drums to be -8^" diam. anil V 0^ bight' 
 of 7ili5 " iron, aame brand as that of the shell, -*<- ^^'r*<y 
 
 Th^top of drum to be convex Bay 6," to 8" ins. an4 V 
 stayed to shell of drum by six (6) gosset stays and toaheil-. ' 
 e f - b e li e f mp t e the bridges 'by four (4) hta^s of hot 
 less than IJ" round iron, the drum'to be dotiblie^'Hvetwi ' 
 tp shell, and the sheU inside of ditam W be petflaM 
 » sexies «f smiill holes, or if oner )ai^h<4e, il i# ioi iiifr v, 
 
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 0zceed 9'^ diam., and to be strenghtened by two wrought 
 
 iron bridgwt properly rireted to shell of boiler on each side ' 
 
 ^ftheJioTe. «-*» •<'^**^ .^»* .^i^i>»«'"825' ' { * 
 
 On the top pf each boiler will; be riveted a cast iron ^"^ Holes 
 manhole, on the top of which will be a cast iron cover, 
 laced, grounds and made steam tight ; each cover to « 
 
 be bolted with about sixteen (16) on^ (1) inch bolts, - 
 and to be j^rovided with two brass valves and seats ; 
 to be 5 inches inside diainleter, and to be provided with • 
 the necessary joints, levers and weights, to resist a pressure 
 of 75 lbs to the square inch * and the other a lock up safety <^/<<^.> «^'* »-*^ J 
 Valve. Another man hole ,will also be provided in fro|it 
 head sheet of each boiler as sh6wn. <it> /«* A. ^Az,^*^^*^ ^ ^ ^>*»W' 
 
 lull ad^tion to the abov^^one 6 i^ch brass safety 8|ftfetyy*iTM 
 ralve must be provided and connected to the steam pipe, 
 in such place as th4 Engineer may direct. This valve to 
 be ^ade complete in' every respect. 
 
 ^ ~ .Bach boiler to be provided and have Jized therein one Qnte Bm 
 •ett of grate bars and bearers, on the AsHcroft principle. *"** ^"*"- 
 i Each boiler to be provided with S^^est brass try cocks, Try cocks and 
 oHe glass y^ater guage, and one steam pressure guage of^" ai»g«s. 
 the Bourdon's patent, y ,/,■ 4|t^ 
 
 Each f team drum is to be ^ovi^ed with a brass stop gt 
 valve, the same as those on the old bqilers, and connected 
 to the steam pipe in such way that any of the boilers may 
 be shut off. A collapsing brass valve of 2 inch diam. shall 
 also be connected on the top of each drum. 
 
 The feed valves find feed pipes are to be the same as fsed Pipes 
 those on the old lioilers and connected to the present feed "»<^v*>t««- 
 pipe leading from the Engine room. ' , . ' \ 
 
 Each boiler to be provided at the front with one blow Blow off 
 oflf valve 4iid pipe, unless than 2| inches diain., the pipe Jp^^* •»* 
 to lead to the outside of the boiler house, as the engineer ^ 
 may -direct „,, . ^ . 
 
 ' ' In addition, each boiler is to have a surface blow off 
 of the same diameter Im above. Ail valves to be of brass/ 
 
 SpVslTes. 
 
 -7h,.*t^ Ar^-^ 
 
 C^i-Jt^ 
 
 ^C,^u^&*i^ m^ 2^ ^^r>C^ rf8S*. ^^ 
 
/ 
 
 V 
 
 Bpii^r Front! The boiler fronts to be of the same patern and desigti 
 as those now in front of the cornish boilers; to be of cast 
 iron and not less than | of an inch thick ; the out lUie to 
 be.of the precise form of the brickwork, and to corw the 
 wholeof the brick, and boiler fronts, and thereby protect 
 them frcii all moisture. They shall also be provided 
 with all the strengthening ribs and flanges required to 
 bolt them together, and fastebed^to the boilers in the most 
 mechanical and substantial mailner. These fronts to have 
 ' as littler space as possible between them and the boilers, 
 
 'DoOnand 
 Dftmpen. 
 
 Flue Dmii- 
 pen. 
 
 and such'space ti be tilled in with fire^clajr^^^^j;^^^^ 
 
 Each boiler to be provided with two ( 2 ) doors vad'*^^*^ a^ 
 two ( 2 ) dampers of the principal called the Ascroft PatentJ*^'*-*^ -^ 
 
 Teit. 
 
 '■-V 
 
 /^MJ» 
 
 Bteam Pipei. 
 
 /' 
 
 
 balanced furnace doors. 
 
 In addition to the above dampers each boiler to be 
 provided at the back flue with a sliding damper, wit^ 
 balance weights, chains and pullies. necessary to lead the 
 chains to some convenient place in front of the boilers. 
 
 The Boilers! to be constructed after the manner shown 
 on the plans and described in this specification, and stayed 
 in such a manner as to insure uniform >strengtih 
 throughout all parts, so that they will stand a pressure of 
 KD lbs. to the square inch, without deflectiotn or the least 
 deformity, which pressure will be indicated by a proved, 
 guage of the Bourdon's principle. 
 
 The boiler when completed ar^ to be tested by the 
 City or Government Inspector accordingto theLaw'Tega- 
 lating the inspection of steam boilers. . -' ' 
 
 - All the steam pipes are to be of cast Iron not lest 
 than f of an inch thick, and of 8 inches inside diam. to be 
 perfectly steam tight and jn'ovided with all the necessary 
 expansion joints and valves which shall be necessary to 
 work all the boilers together, or eftch boiler separately, or 
 either of the Engines. All the joints to be faced and bolted, 
 and connected with the present pipes in such Way as flie 
 Engineer may direct. ^^;;_, ,^ ^,6U^ X>(i. ^ 
 
 '/i<^'^ 4^ 
 

 \ 
 
 \ i 
 I 
 I 
 
 ■ : .- ■ • ■ ^ .. ■ , ^, ■•'■■■,■■■ 
 
 . I All the BheeU required in the cointruction of these PnookiagMui 
 txnlere m^it beiur the etemp end be of the thiolmess oalled ^* ^' 
 for in tUle q>9oiiioation, and punched in ■noh way. that ' 
 the holea will be opposite to each other and of the proper 
 diameter for the rivets. In all cases where the holes ^ay 
 require enlarging for the. admission of Uie rivets a hi^lf 
 round irimer shall be used, instead of the drift. 
 
 
 AU the riyets to bo of the best quality as called for in^, ^^^^^^^^ 
 this sp^^cificatioUi^in order that the Superintendent and 
 Engineer inay be saiisfied that all thb material and work- 
 manship is in accordance with the fipeciilcation ; the Gon- 
 
 traptor binds himself to admit them to his shop or wcmtIcs ' . . 
 
 during working hours, and give ^em any information 
 they may require concerning the a1k)ve works. 
 
 The boilers are to be delivered, fixed' and completed Deiirery. 
 in every reapect.to fet up|||team> in the boiler house of / / 
 
 the MontMal Water VITorkii on or before the first of July / 
 
 neitma 
 
 All excavation, filling and ramming round the founda- ExcaTsti< 
 ttons of the boilers, and outside flue, shall be done in a 
 proper and satisfoctory manner ; all surplus material shall 
 betakenoutofthebufldiuganddeposited in such place ' > 
 as the Superintendent or Engineer may point out. 
 
 The foundation beds for t^ boilers .shall be composed Foandatiou 
 of a layer of oonorete one «i||tliicl( wd laid perfectly S^'^'i^^ 
 level under all the boilers ; tiuT bed to be composed of 
 lind^eii ston^ mixed w|ith hy^ulip liine and river sand, 
 in the proportion of 2 of broken stone, 1| ot sand and one ^ 
 of hydraulic lime :4m the top of this bed there shall be a 
 layer of fire bricks of four inches ihick bound together ,:^ 
 
 with fire clay. , 
 
 All the briek iHrtflls ronnd tli« bdlen to be siade of . 
 sound hard burnt bricks, lined inside all the flues with 
 fire bricks, four inches thic)^ li^id with fire day for the back 
 and «de fines, end tnth mortar and coarse salt for all other 
 fl«M in tl^ tiBU) ahftpe imd SMWder 49 those of the present 
 
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 tnil^e Ifaiii 
 Finet. 
 
 ^; 
 
 Cold air Fine. 
 
 PttTingiik . 
 front of the 
 BoUen. 
 
 OaUide tke baildihgs at the back of the botlerSi.' 
 there shall be built a brick main flae, four by -three feet, 
 with wails in stone masonry outside ^helBue as shown on 
 drawing. ' , 
 
 The walls of the flues to be twelve inches thicl^, lined 
 inside with four inch fire bricks laid in cement. 
 
 The outside bricks shall belaid with hydraulic lime, 
 as will ajso the stoiie wall! 
 
 The foundation of this flue,^to be laid on a bed of ^ 
 concrete one ftiot thick. ^The space left between the ston©^ 
 walls and the flue, to be also filled with oo.ncrete the same > 
 as specilLed for the ibniidations of boilers/^ — ^7—"" r~^ — 
 
 At the back of eacl^ boilei^, the foundation Wall of the 
 building shall be open(^ to admitf a small fine of two feet ' 
 inside diameter to the main flue. ' ^hese flues shall be " 
 built of fire bricks with cement, and jointed to the main • 
 flue in a workmanlike manner, with their proper openings ' 
 £6r the dampers. The stone wall shall be four feet thick 
 at the base, and will have at its top a frost batter of one 
 half to one, and four feet deep. ^ ' 
 
 ^ A cold jair flue of two by four feet shallbe built in 
 front of the boilers, similar to the present flue in front of 
 the old boilers to which it is to be jBpnnected. This flue 
 to be coy^d with iron plates; similar to the^present^ne. 
 
 Alfihe space in frbnt of the boile^ to be paved in ^ 
 brick> 4 inches tjbiick, properly laid on a lied of Hver 
 sand th,ree inches^thickt with a slbpe of two inch^'to the 
 front wall. •* ^ •" . *■ 
 
 \ 
 
 ^^'V 
 
 ii Y 
 
 GENERA!, CLAUSES. 
 
 It is to "be undetstood that tbe contract for the boilers 
 is.to include and cover er^y thing required in the cons- 
 tructiionofthe steam boilers, foundations and equipment, 
 and the erection of the same, reiidy for use in the present 
 
 ""S^- 
 
 -:,-l. 
 
 -TT 
 
 *■ / • * 
 
'.4a 
 
 *«!**•. 
 
 coftl house, in accordance with this specification and the 
 drawings,' herein referred to. Also the connection 
 betw^if the new and the did boilers, with all the excava- 
 tion and fiUings necessary to accomplish these different 
 objects. *Tt is alBo to be nnderstood that no extras what-' 
 ever shall be allowed or sanctiofted, except on the approval 
 of the Water Gomnittee endorsed by. the Superintendent 
 |!ngineer. The object 4>eing; that the whole work, includ- 
 ing a!^ the pipes, valves or other things riequired to connect 
 the new bpileis and the flne^ to the present boilefs,.flnes 
 and chimney, shall be covered by one Contract at one bulk 
 sum. " '- -"' . • 
 
 /=•- 
 
 The contractor is to maintain his««nrork in repair 
 duViug construction, and shall be liable for any damage 
 done to the prese]|it works, or other property of the Cor- 
 poration, thTough his carelessness or, neglect. 
 
 * An estimate of the w<yk shall be made, from '^time to 
 time, provided that no ioss than two thousand dollars ~ 
 '» worth of work be done between eac)? -estimate, and the^ 
 same shall be paid to the contractor upon a certificate of 
 the Superintendent of the Water Works and the janction 
 of the Wal^r Oommittee, less twenty per cent, which will ^ 
 
 be- kept back as ajrgi^tee for the due fulfilment of th6 
 contract, and which shall.be paid to the contra^tef after • 
 the WQrk shall b« completed to the.satisfactitfn of the 
 Superintendent and of the. Water Committee whose Qnal 
 acceptance of the works shall be required to entitle the 
 contractor to the final payment. 
 
 The whole of the work to -'be completed and put- in Co"«pieti<»»- 
 ' working order on or before the first of July next * 
 
 M 
 
 ^ 
 
 ■ . V . , ■ , .. - ; ._ 
 
 LiOUIS LESAGhE, ; 
 
 ■ *? "■-.7,^"-^— . * ■ ' " 
 
 
 Muperintendent of Water Works, ' 
 
 t 
 
 
 •■'•.,-•■'., ' < ^ • ^ 
 
 
 
 Alo»tiref»l,'i24th January 1876, vu x 
 
 
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