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HomeMy Public PortalAbout02-13-1922 2 1 4 Office of Board of Public; \-Yorks City of Richmond , Indi ana , Monday February 13th , 1922. The Beard of Public Works of the City of Li.chmond , Inch aria, met in regular sessi on in the office Gf said Board Monday February 13th, 1 2,2 , at .9 of clock i1 a 1 the �r���" ofBoard, Messrs r�. fill members said B G�._ Pyre ��r� , Land , McFall and Henley, being present . The fol, owii procee._1i'1�..,a �s_ were had , to-wit :- The following remonstrance signed by- 3 . Shafer & 16 others was received, viz : TO THE BOL1-1D OF PUBLIC OF THE CITY CC' HIGH , ILTDUJIL. . Gentlemen The Undersigned, property owners and resi.dents of' South 15th & South 16th Streets between Main & South "1:" Streets in the City of nichmond , Indiana . hereby respectfully- remonstrate against - the closing c f the alley al ong the south side of the pren.i2 es of the East jn i n Street Friends Church for the purpose of the Billy Sunday revi ,, ,l '-_eeting; to he held in the near future or for any other purpose , said alley being a public highway of said city- and being ne ce sary at all times to the prep er en v oyment of the. ri ghts and p roperty of the undersigned . Mr. Henley moved , that whereas the majority of residentsc.8^, property owners uSi lag said alley, and the recommendati on of Fire Chief, the remonstrance filed be concurred in, and Mr. Sedg.-:ick, 'oe riotifi ed that the said part of alley cannot be closed. motion prevai led., and Clerk directed to notify Mr. Sedgwick , of acti son of Board . . The Board received proposal from Sherri Coal & au:,ply Co. to furn- ish one to twenty car ThackerG SS . 1b mine ���r s N. u a . C, �l 0 per tor_ . G . u. _:�__l,e L, The Board on motion direct L.0 .4Veldon, 3up' t.of production to order 10 cars of said coal . ( for analysis , see bid ) Mr , Henley moved, that City r.tt.orney Urn. H. Kelley , be authorized .and employed to assist the pro secuti on in the case of State of Indiana VS . James P. Dillon, and that he be and is hereby author- ized, to employ such other assistants -in such case as he may deem necessary and pro per , and we recommend that the Common Council make an appropriation in the SUFI of ,000.00, to the Department of law, for such purpose seconded by Mr. McF ail, moti on unanimous-- lyy terevai led. • The Board rec eived the fo 11 owing report of the co ridi ti on of N.E. .L.& P.P. from J.D.Lyon, Consulti ng Engineer , Cincinnati. , Ohio. • as follows, to-wit : February 4-, 1922. • The BOARD OF PUBLIC WOliKS, hichmond , Indiana , Gentlemen : The Municipal Electric Light and Power Plant has been under our observati on for somewhatmore than one year, wi thin which time numerous improvements have been affected both in equi pment and in the personnal of the operators . ( cont' d. , next rage ) • 215 Monday February 13, 192 While much has been done ,the time has not been sufficient ,nor has L 9 money been available to car�% out this work cf improvement and re- novation to an extent which is justified by conditions. A number of items should receive early attenti on, others while im- portant are riot so urgent ,and sti 11 others important as condi tidied upon more or less rrobable contingencies incident to the growth of the plant . An effort has been made here to place a reasonably full account of these items before your Board in an order which seems to represent in some degree their relative urgency and importance . STOIR AM SUPPLY. The present motor driven fan located in the basement of boiler room and supplying air to boilers No' s 7 & 8 has been called upon for prac ti ca.l ly continuous operation for more than a year . The capacity of this fan is about equal to the demands of the furnaces when the bell- ers are being operated at maximum load. The combined capacity of the two other fans in the plant is bellow the present full load re- quirements, which renders it difficult to make even minor repairs on the large unit , and a serious accident to this unit would almost cer- tainly curtail the output at a period of peak load. A turbine driven Ian unit is recommended, as under most condi ti ons of load the exhaust steam could be used to such advantage as to result in a higher over- _a11 economy than could be obtained with a motor driven unit . The earl installation of such a unit is recommended . E;sti mated co st 1800.0C "REPAIRS ON OLD STEAL TURBINE. The 2 General Electric Company steam turbines in your plant hafre been called upon for such long continu- ous operati on wi thout repairs that the steam ends of both units are in very bad cbnclition, particularly the 2,000 K.W. IL was understood that complete repairs parts for this unit were ordered. some months • ago and if not already in your plant sh ould be delivered wi thin a short time . I have no informti on to indi sate that any repair parts were ordered for the auxi liaries of this unit , which also needs con- sidcrable attenti. on. It is recommended that immediately after fi nal adjustments on the new 5 ,000 Turbine , which give reasonable as- surance of thoroughly reliable servi ce , the repair of the 2,000 Turbine be undertaken with the supervi si on of a good man from the service department of the manufacturers . While the unit is off the line ,a thorough exawmination may be made of the auxiliaries & any nec- essary repairs parts ordered, which if received in time may be La- stalled at once and the vh ole unit put back in service in good shape— If however there is any considerable delay in securing the necessary - auxiliary repai rs , it would be advi sable to put this unit back ready for service with the auxiliaries in the present condition &: make the auxiliary repairs at a later time . This suggestion of possible piece- meal renovation of the 2 ,000 h.W;.unit is made in order to insure the absence of this unit from 'service for the shortest possible time on account of its value as a reserve in case of trouble wi th the large turbine . The same general process- could be followed in connection wi th the' 1 ,000 , although it is my understanding that no re- pair parts have been ordered for this unit The cost cannot be esti - • mated until complete examinati on of inside condi tion of machines can be made. (cunt ' d. , next page ) 21 6 Monday ebrua.ry 13 , 1922 • CORLISS LJGlidl;S. . Both of the Corli ss Engines are in need of exten--_ sive repairs , but it would awpe are that they could be kept in oper- ating• condition for emergency service for sometime to come by making some minor repairs & adjustments. The complete overhauling which they really need would be quite expensive & w,h en once the turbines • are all in good condition, there should be very little occasion for• the operation of these old Corliss engines. It would ,therefore , seem • to be better to spend as little money as possible on there units simply to bring them up to good safe condition, regardless of coon-. omy of operation, si.Lce the steam saved for the very short period in which. they should be operated could hardly amount to the over- head charges or the pri ce of complete repairs & overhauling . The • cost cannot be esti mated wi thout complete in„i de examinati on. It • is unfortunate that ri ght at present these engines are not in , shape to operate economically ,as they will no doubt be called upon to run . a good deal in periods of light load while repairs are being made on the two smaller turbines , but I do not be li eve it would be ad-- vi satle to delay the suggested work on the turbines in order to make repairs on the Corlisee Engines. PE,EDWATER HEATER: The old feed water heater was very completer- over- hauled about a year ago , and while the load has increased beyond the rating of this heater , it has been pcs Bible to keep the feed- - water temperature fairly favorable . It would be advi .able to. con- sider in the near future the installation of a new L larger feed- water heater. . It is suggested that this new heater should have a • rating of ab out 2 , 500 Horse Power. I might state that Feed water • Heater ratings are purely arbitrary and really do not convey much idea as to the actual capaci try of the heater, this being dete rmined altogether by the quanti ty of steain•_.rh job is brought into contact • th the water arid the effectiveness cf the contact as determined by the method of spraying , etc . , Preferably I believe this heater shculd be mounted on a frame work over the, present pump pit in the . engine room lei th the bottom of the heater at least ten feet above t the pump. The old heater could lee retained i.h its pre sent. location for use when the new unit is down for cleaning or repairs . Cos t estimated at N52":00.00. LI Gil TITI PHO�TECTi ON. • It • would appear that the lightning protection on the lines entering the plant is not efficient , The repai rs & co st of keeping • this line in shape indicate , i_t seems to me , an - unduly large maintenance item . I would recommend that this be checked . up wi th the manufacturers of good lightning arrestors and if the cost of i .tproved ecuipm iat can be guaranteed by the se manufacturers to show a material saving over present maintenance , thet an instal • - la t i.on be m:,d e. • TM Ea Ai I would strongly recommend at as early a dare as may ee found p'<ac tii cable a trans for of the high tension transformers be made to an outdoor substation in or der to release for more important •use the indoor sr_ace nCV/ occupied by these large transf;;rmers . 4itli the release cf this space it would be desirable to make some modernized changes in the switch equipment back of the Svi tch boards . (cent ' d. , next page ) • 7 22 21 7 The oil „,itches :mould be moved back in line :r t�_� the controlling �r itches of the new 5,000 i_. '.i.generate,r and operated by remote con- t1 is 9 ^ n T r , ; t .� t h �rU,� =i1 �? 1C._�_�:.r L .ii�ivr . !hla i ; eC,Oi=I' B1:CiP,d Ui_ aC COliii:. �f ;,�_e danger attended upon maizing any adjustments or repairs t0 the pre- • Sent < 00 voli. Switches as they are now placed .Amon€ with these changes in swi tch locati on there sh oula be a redesi nni_ng o.f the u s- bar equipment EC a relocating of the other transformers ..Us a matter f:' fac t , there is no '":ossibi lity of outlining all of the se changes which would be incident to the chansi ng o f th ese a i.tche s in a report such as the present one . The aesi gn of the outdoor substation,the indoor changes,and relocations of transformers would be • in itself a rather • nice problem in designing . In connection ,.nth the switches • it is atdo- silable as early a date as ;;ossible to increase the sire of the conductors bete een the generator board b the commercial distribution _panels , these conduotcrs 'seine overloaded. u special surveys ,wi th full plans ,t°ould be necessary, before an estimate of cost could be made. 30 IIER LA PA0I T . The rated boiler capacity in the plant plefor existing load 'but owing to the f.ct that boilers 5,6 , 7 ,8 , respect- ively are in battery settings , it is always possible that 2 of these boilers may be involved in any break-down ich should normally be limited to one of them.For this reason it has been thought desirable to spend considerable money in building bci lers 1, ,� up tO a reasonably good operating condi tion. Two of these boilers have been pretty thoroughly gone over ,v.-1 ile the repairs on the other two are. . get ,-;peat completed. It is well understood that 4 of these boilers • are more than 20 years old cc of a type of construeti on no longer ap- proved by the insurance companies for new installations. They are nog.• allowed to carry 150 lbs .pre ssure ,which makes them available as reserve units . If,however,the pressure allowed is reduced below 150 _ lbs -and such a contingency is entirely probable in the near fu ti.i re . on account of their age-it is plain that their usefulness in the plant would be greatly decreased. 11c' s 5 Eu G are designed for 160„= pressure & are rated at 500 h.P. each. The setting & furnaces are so const ructed as to pe rmit opera ti on,for sh ort peri ads ,at about 200 , of ra.ting,which would mean about 1325 H.i. each ,using the We turbine .Nots 7 i~ 6 are equipped with modem stokers & are de-- signed for 200i pressure , The se boilers : . 11 carry about 1800 K.W. load. on the new ‘Vesti rlghous e turbine . It is plain that boi lens boi 1- ers 5, 6 , 7 & 5 must be depended upon to supply steam tz the plant for normal operation,and that any accident which puts either battery oat of service necessitates the use of one or more of the old boilers ilith three of these boilers out of service -whici might easily occuB the entire remaining boiler equipment would be needed to carry the ordinary evening pea: load. It is certain that more boilers will be needed soon if servi ce is to be troperly safe-guarded and normal . growth may be anti.ci rated in your plant . When new boi lens are deci de up on, it is my recommendation that 2 more 500H.P.units be installed in separate settings with stokers equ ipment designed for 30075 of rating for sh ort periods .Since the present st ock is inadequate for the operation of the four old boilers at the highest ratings they are capab le of car?y ing , it would necessarily be to smallfor the service recommended. There is sufficient room for a new st ac= , 2-500 H.P.boilers & -ail additional boiler in the space now occupied by the stack & boilers 1, 213& 4. ( cunt d.ne;rt page ) . 21 • Monday February 13 , 19 22. • . Boilers cent' do The co st , inclusive of all inci dent expense such as removal of old boilers , found3tione, et chars, steam piping, super-heaters , soot blowers , provision for ash haridling,plans, speci fications & other engineering fees, etc . ,would approximate 75,000.00. It would be impossible to secure a net increase equal to ab out 500 K.W. of steam requirements - by replacing the stokers to boilers 5 & 6 with furnaces of greater ca paci ty ,but owing to the character of the settings of these boi 1- • eras , the efficiency would be less then with new boilers as previously sug -est ed. The cost of. such a change would be in the neighborhood of w20,C00.00. 'During the recent acceptance tests of the new turbine, it was developed that the quality of steam normally produced by the bo iler plant is low, that is , it contains . an excessive amount of moist- ure , in fact about five per cent . This is more than is permissible in good practice & amounts to nearly ten per cent loss of economy in your new turbine .The corrective measure recommended is the in- stallati on of superheaters in boilers No' s 5, 6 ,7 & 8. These should be designed for about 100 degree Pabr . , when boilers are operating at 150 of rating. The co;-t of superheaters installed in these boil- era would approximate. '10,C00. but the rate return on this invest - ment would. be high probably between thirty and fifty per cent - be -- ci des a decided Saving in wear upon the turbine itself by reduction of erosive action of wet steam. This stem condition is abnormally bad , and while it could be improved materially by dry pipes , or possibly by some other expedient ,the superheater is the proper remedy. No' s 7 & 8 boilers may be supplied first at approximately one -half the above cost and when these two boilers are in operation, this half installation would. be sufficient for the purpose,and, of course , would show proporti onately higher returns upon the reduced inve stment . It would also be desirable to place the order at an early date for non return valves for boilers 1 , ^, 3 & 4, unless new boilers are_ decided upon. Valves of this kind. are required by law on new installation & in my opinion are to be considered as essen- tial in your plant . Cost ,$1BB®0.CO. I might say that an order was placed last year. for these valves arid afterward cancelled. ;:PRAY POND. It is probable that within .two or three years your use of cooling water from the river may exceed the supply in periods of drought & high temperature . Judging from last summer' s operation, there is , in my (Mini on,a.bout enou1h_ water for 5,C00 K.W. out -put , if the plant is economically operated. If, however,the load on the plant at periods of low water finally reaches a point at which the supply is not sufficient , it would be desirable to build a cooling pond in which circulating water is sprayed & cooled by evaporation and used over again. In this case the amount of fresh water required would hardly exceed five per cent of the total water circu lat$dn. Cost would depend upon too many elements regarding which there id no present informati on to justify an estimate at this time. OILING SYSTvi. • le would recommend the installation of the central oiling system for the three turbines. Cost about 60C .00. ( co nt d . , next page . • I4ronday ar y lZ , 19 22.. -219/ CHANG.L IN ICJ ILDITiG. The growth of the bu sine ss of the central; station has teen so consi stent & rapid that in progressive corm-mini- ti es such as Richmond , capacity Thich seems ample at the morent is outgrown & :inadequate in a comparativelyi short time It is , There - fore , entirely probable that at no distant time additional gener- ating capaci ty will be required & a new turbine unit at least equal in size to your latest iiistalla,.ti on 11 be required. It i s my opini on that then this time arri ves ,the roof of your bull id- ing should be raised so as to accommodate et suitable travelling crane , vh ich will greatly expedite all work involving the handling of heavy parts of machines, etc . As thin new unit would probably replace Corliss 'Engine it :;cold not be absolutely necessary to carrythe additional roof height the whole length of the building , but this could only be decided then costs at the time of :inch change are carefully considered. Yours very truly 7DL-CB -mill J. D. Lyon on moti on the foregoing report was or dered placed on file , atd copied cm the minutes of, the Board.. • C1 all ms to the amount of -, 785 . 61 were •all owed. • • • • - The Board th en adj ourned, • • Zert,(f Preot. of Boar• .; --- Attest . • C er _ of Board