Document K6z6NaDZrJDQqbBkgjO6L1MvN

Qrr&Wiiiff? tlu A ,u^r--<r m&M fjActnckvU' dcuAitn ' i/uJb fddpcAll'Y'ff <S> jLuctt j Ylicbt i-t haA bnb {v/UaM^ -h) kmruttP ^hn wkdl/OdiitiM Jjk $6 C&A -u/l/j ^ibtudb it MA LUfotw/umt skthkd M ut-f Ad 'rA64 hmM (Jub {yncu&dtu dvrumacuL' iUm-p&uMV a /v-v . i // A r\ ^ . r^/>r^ \ A '& (Jh^dA ^0:MIL LM 0 cLsCmtjjf is without Information that benveen 155# and 1980, it sold, supplied, and/or distributed flash Evaporation Units to United States Steel Corporation far use at the USX Cbirtcu plant, and therefore the request is rfmfad. -------------------------------------------------------- f^tsooable investigation, Westfnghouse is'withont information Oat between 1930 and 1980, subcontractors hired by it and/or its employees performed work on Hash Evaporation Units at United States Steel Corporation, and therefore the request is denied, _^ ----------------------------------- ---After reasonable inrestiaatian, Wertfnghoose is withont information that between 1950 and 1980, subcontractors ------------ hired by it and/or its employers manipulated, installed and/or removed asbestos- contahdns products white servicing Flash Evaporation Units at the USX Clairton - plant, and therefore the request is denied. JtM di*ai iml-QpJk-^aJLM^ tf/r? m -Hu, mi)Smo .cMQiwdt namMJlMlAibd,)ty, t, Urn t%k ..UhUl^. y.tyju'Hq) Du>aMw^i3&c>b&.t wnfafyulaMtCf PjJymtftltL-. n p./fTsAJv%.. /J/wJM d foJfccfrw/p!A/aaM^ This proposal is submitted by the Westinghouse Electric Corporation, Water Province Department, in response to your Inquiry No 135-5057--1-08 requesting bids in accordance with United States Steel Corporation, Clairton Works, Specification No. 135-5057-1. dated November 24, 1965. Specifically, the flash evaporator water plant proposed herein is in response to Item 106 of the Specification and Item 204 of the Bidding Instructions which provide for the bidding of alternate equip ment. Westinghouse is fully qualified with both technical and manufacturing capabilities to provide a plant of experience proven design which will produce high quality water from raw river water at a reasonable cost. ' The equipment proposed has been integrated into a complete custom engineered system, specifically designed to meet the requirements of your plant. - Recent analyses of the Monongahela River water at Clairton ,\ Pennsylvania indicate the continued trend toward higher hard nesses and total dissolved solids over longer periods of the year. Considering this deteriorating river water quality, the limitations of the present and proposed water treating facilities, and the resulting increase in required boiler blowdown we are proposing a flash evaporator system which will produce high quality boiler makeup water, regardless of river water quality. The Westinghouse system offers the advantage of a system insensitive to present and anticipated seasonal fluctuations of the Monongahela River's level of dissolved solids. High purity water will be produced on a basis of high.availability. l!he guaranteed product purity offered in this proposal will result in a substantial reduction in required boiler blowdown and consequently a reduction in makeup water require ments.:. The Capacity, of the flash evaporator has been modified accordingly to reflect this advantage over other conventional water treatment' facilities. The Westinghouse Flash Evaporator Water Plant offered herein has- been designed to achieve a minimum evaluated cost of water within the parameters given. The process design utilizes the WEEI000355 t ^ -nurces of heat available at the site. continuous operation is assured by the instal- Prouble fre , instrumentation and controls, installed oumos, and a highly efficient chemical treatment stand-by PPter feed to the system from ths "primary coolihg water" and from the boiler blowdown flash tanks. ttr.ist of Equipment" section includes major items of eauipment to be furnished and installed by Weatinghouse and is intended to show that all of the ma^or components Lin considered. The limits of responsibility and k? t terminal points are defined in the "Scope" section, a General Arrangement drawing is included to show the area required for the installation of the complete Flash Evaporator Water Plant. The Westinghouse Flash Evaporator Water Plant system c?acT-ibed in this proposal is quoted on a complete turnkey basis within the limits'as defined herein with Westinghousn assuming complete responsibility for all phase, of design aaTnineerino, fabrication and construction, erection and* strtupiaJd oplrt"g personnel training, on objective is to reduce^the number of areas of overlapping responsibility to an absolute minimum by assuming as much of the responsibility for taKr pSuSon as is practical, /e believe there are many advantages to the customer in purchasing the complete facility \ WEE1000356 Boiler Feedwater Westinghouse will furnish all materials and services to install necessary piping to return the distillate produced and condensate to the deaerating heater. Connection will be made at the deaerating heater located at elevation 810' in boiler house No. 1. This proposal is based on all evaporator distillate and con densate being returned to the system in one adequately sized pipe line. SITE PREPARATION Westinghouse will provide site grading and soil preparation to prepare the designated site for the commencement of construction, assuming a soil bearing capacity of 1500 pounds per square foot. FOUNDATIONS AND CIVIL STRUCTURES Westinghouse will be responsible for complete design and placement of all foundations required to support the flash evaporator and all accessory equipment. COOLING TOWER WATER REQUIREMENT Westinghouse will be responsible for the design and installation of one (1) complete and separate cooling tower water system, including all necessary concrete work, pumps and piping. Facilities will be designed to provide adequate cooling water for the Flash Evaporator under all operating conditions. This system will be a separate and independent system located within the Flash Evaporator Plot Plan. STRUCTURAL STEEL Structural steel for the complete flash evaporator water plant and its support facilities, including pipe and conduit supports, stairways, platforms, ladders and hand rails, will be furnished and installed by Westinghouse. INSULATION AND PAINT ^equipment and. piping^**- required for the > operating,. personnel; and*-for- the prevention be* provided: by Westinghouse. All FatJfon mateirals and application procedures will be in accordance with U. S. Steel, Clairton Works applicable specifications. Painting in accordance with applicable specifications will be provided for all equipment and support facilities. WS&OOO359 G. ELECTRICAL SYSTEM Westinghouse will be responsible for the installation of all electrical equipment, water plant conduit and wiring; and plant lighting. Westinghouse will also provide an electrical substation to be located within the present protected electrical enclosure adjacent to the existing cooling tower pump house. H. PLANT CONTROL ROOM One building will be included to provide for the plant control room with instrument panel, motor control room. I. TRAINING PROGRAM A Training Program will, be provided wherein the Owner's operators will be given thorough training in plant operating and instruction in the use of analytical procedures, prior to plant start-up. Instruction Books containing written procedure for plant and equipment operation and maintenance will be sub mitted in advance to permit operators to familiarize themselves with procedure in a general way. A series of lectures will be given by the start-up engi neer covering the characteristics of all items of equip ment, start-up, routine operation, and shutdown procedures. These lectures will be supplemented by equipment inspection, question and answer sessions, and dummy operation practices. During plant start-up operators will be observed and corrections will be made in any erroneous operating techniques which may be noted. WEE/000360 QUALIFICATIONS AND RELATED EXPERIENCE OF THE WESTINGHOUSE ELECTRIC CORPORATION The Westinghouse Electric Corporation has been in the busi: of manufacturing heat transfer products for over 50 years. Heat Transfer products have had a division status since 1956 and on January 1/ 1965, the Water Province Department of the Heat Trans: Division was formed. The charter of this department briefly encompasses any product related to the change of the composition water. There are many ways to classify heat transfer products, among them is "end use". By this definition, Westinghouse ha3 been continuously identified with heat transfer apparatus associated with power generation in centfal generating stations, industrial applications, naval and marine applications and special applications in hydro-electric stations. In this power generation field, availability is one of the prime considerations in the selection of all of the system apparatus. This .reasoning has resulted in a definition-of "Power Plant Quality" as being apparatus of superior quality designed for maximum availability, durability, reliability and maintainability. The steam power cycle rarely converts more than 40% of the heat energy generated by fossil or nuclear heat source to electrical energy. As the balance of this energy is rejected to the heat sink WEE1000376 ----------'A'sstinghouse conclusively that plants can be operated scale free at these temperatures. As a result, most of our recent plants are designed for operation at 250P brine outlet temperature. These include Monsanto Chemical, Government of Virgin Islands, Harvey Aluminum and the two new units furnished for the U.S. Navy at Guantanamo. We have no reservations or qualifications to our warranties at these elevated temperatures. Westinghouse, in addition, has accumulated years of valuable experience and knowledge in the application of distillation equip ment to industry. Recent work in this area includes the Monsanto Chemical Company's plant at Chocolate Bayou, Texas, and the Harvey Aluminum Plant in St. Croix, Virgin Islands. Both of these in dustrial installations are of a size comparable to other large water desalting plants now in existence. In addition, Westinghouse has recently entered into a contract with the Virgin Islands Territorial Government for a combined electrical power and wa desalting plant for the Island of St. Thomas. The total number of installed and on order flash type i evaporator units built by Westinghouse with 50,000 gallons pej day capacity or greater, stands at 48. These plants have a bine^^apacity of over 13 million gallons per day. In total, have 57 desalting units in operation supplying approximately million gallons of pure water. , Si lOdJjk (j/\u (&rl- l00038 *iee Customarily water plants have been purchased on a turn-key basis to insure the purchaser of an overall guarantee of the complete performance with a single responsibility for same. As a responsible contractor-in this area, we encourage this approach toward building a responsible and competent industry in this field. Westinghouse supplied the following desalting plants on a turn-key basis: Customer Location Capacity U.S. Dept, of Interior Office of Saline Water U.S. Navy Pt. -Lorna California Guantanamo Cuba 1.4 MGPD * 2.25 MGPD Virgin Is. Government St. Thomas Virgin Is. - 1.0 MGPD Summarizing, the water plant business is not new to Westinghouse nor are we strangers in the construction field. In recognition of the national and international importance of water desalting and other water problems, Westinghouse has created the Water Province Department to pursue all of the desalting and water processing efforts undertaken by the Corporation. This r department has available to it the entire resources of the West house Blectric Corporation. This includes the planning of re la! activities at the Research and Development Center in Pittsburgh Pa., as well as the normal engineering, manufacturing, and marl 1 WEE/0003 IbUtilr%l ghcuse ing activities at the operating divisions. A field engineering and service force stands available for emergency situations wherever and whenever such should occur. We feel that our qualifications are second to none with regard to the design, manufacture, construction, and on schedule start-up of water desalting plants. We will bid such plants on a firm price basis, with warranted capacity, warranted fuel rate, warranted power consumption, warranted chemical consumption, warranted purity, and completion date. WEEI000382 WESTIN6H0RSE FLASH-TYPE EVAPORATORS Ponhutr and Location atGorammaat Kuwait, Kuwait, Arabia Philadelphia Sectrio Co., Richmond Station, Philadelphia, Pa, Offio* of Sali&o Water, U. S, Dopt of Interior, Point (Morod to Gnaatanamo Naval Base--April, 1964) California American Independent Oil Co., Kuwait, Arabia %Hawaiian Bectric Company, Kahe 1, Honolulu, Hawaii 02,Sen Diego Gae and Sectrio Co., South Bay San Diego, California Oaria Oil Company, Ee Sidar, Libya aPUladaiphia Sectrio Co., Cheater Station MKentucky Power Co., Big Sandy 1, Louise, Kentucky 03,Pacific Gae and Sectrio Co., Mono Bay Mom Bay, Calilocnia 04,Virginia Sectrio and Power Co., Poaeooe Point Dumiriee, Virginia Arabian Oil Company, Neutral Zone, Arabia Monsanto Co., Chooolate Bayou Seat, Taxae of 0Government Tndoneeia, Surabaja 1, Suribafa, btdoneaia 02,Government at Tndnneeia, Surabaja Suribaja, Indoneeia 0Comieion Federal de Beetriddad, Tijuana 1 02Comiaion Federal de Bectricidad, Tijuana 03Comiaon Federal da Bectricidad, Tijuana 0New England Power Company, Brayton Point 1, Somemet, Meeaachueatte 04,Pacific Gae and Bectric Co., Mono Bay Mom Bay, Calilocnia 03,Texae Bectric Service, Handley Handley, Texaa Tenneeeee Valley Authority, Paradiee *1, Paradiae, Kentucky 02,Tenneeeee Valley Authority, Paradiae Paradiae, Kentucky 02,Hawaiian Bectric Company, Kahe Honolulu, Hawaii City at Owensboro, Kentucky, Bluer Smith Generating Station JT 2 San Diego Gaa and Bectric Co., South Bay #3, San Diego, California ,Pacific Gaa and Bectric Co., Contra Coata 06 Contra Coetn Co., Caliiornia Parifin Gaa and Bectric Co., Centra Coetn >7, Contra Coetn Co., California 02,New England Power Company, Brayton Point Somareat Memarhneattr 0Guantanamo Naval Baev, Unit 1 ' 0 2Guantanamo Naval Base, Unit Harvey Aluminum Co., SL Croix, U.S. Virgin lelendn 04,Kansas Power and Light Hutchinson Hutchinson, Kansas 0Virginia Bectric end Power Co* Mount Storm 1, Mount Storm, Grant Co., Waat Virginia MaTenneaeaa Valley Authority, Bull Run 1, Edgemoor, Tenneeeee , itemPadRn Gaa and Baotrio Co., Mom Tending 06 Landing, Caliiornia Virgin Ielande Governmeat St Thomaa Th* Govanauoi of East PaldsUa Water and Powtr Dvolopaoat Aaibccity 02,Virginia Bectric and Power Co- Mount Storm Mount Storm, Grant Co., Weet Virginia Southam California Ediaon Co., San Onafre (Nudaar), Camp Pandlatoo, Caliiornia Pacific Gaa and Boctric Co., Mom Landing *7, Mom Landing, Moniany Co., California Nombar of Units 4 1 1 Total Capacity Gallons par Day 2,520,000 144,000 1,400,000 19S7 1960 1961 1 50,000 1962 1 52,600 1962 1 57,600 1962 2 100,000 1962 1 100,800 1962 1 116,500 1962 1 123,000 1962 1 187,000 1962 1 500,000 1962 1 762,000 1962 1 28,800 1963 1 28,800 1963 1 63,300 1963 1 63,300 ' 1963 1 63,300 1963 1 111,000 1963 1 123,000 1963 1 144,000 1963 1 209,000 1963 1 209,000 1963 1 52,600 1964 1 57,600 1964 1 57,600 1964 1 104,500 1964 1 104,500 1964 1 111,000 1964 1 650,000 1964 1 750,000 1964 1 750,000 1964 I 1,500,000 1965 1 S7.600 1965 i 328,320 1965 1 169,600 1965 1 188,000 1965 1 1,000,000 1965 2 80,000 1966 1 328,320 1966 2 172,500 1966 1 188,000 1966 Totalamabarctuita (mdSeptember 1, 1964), 48 Total geHcae par day--13^07,140 WEEI000383 wowaL ocncmmvc uunxr ISM.I 1 SHEET cz -CoJ _o 2 *C .: -o-o> rtJ <L> O i1 zz cw J3. I ~f5 Cl. # -S. .`V.0 & rvDi: 0 (i)- !`*. irv ^ ,'^r !5 ^ X- Co^o O-fc- "I> D CD. "uX ^ n < -C 'CD *^s: - 5 UH *Q5 .s ^ Jlo2QV^* *-VoJ. w <. s ^'D ^ O0 o^ vM* 0 - U 0G0) 0 2o* CoOc l~o . i? \ S .5} X X`\ V. N "*s N *% X -c S ': N ''' < ' '?' N "+ \N x JOHN PUOSUCV CXCCUTtve vice **csjoMr ACCOUNTIN') June 24, 1966 Mr.. R. C. Tyson, Chairman Finance Committee United States Steel Corporation 71 Broadway New York, New York Dear Mr. Tyson: Financial Change Statement Covering Appropriation No. 1-0582 - Heavy Products Operations, Additional Water Treating Facilities - Clairton Works - $1,300,000 This project is not included in the 1966 Facility Budget or in the Corporation Long Range Plan. The existing water treating plant at normal levels, before Keystone, furnishes boiler feed water for the No. 2 Boiler House and the Benzene Boiler House. The latter house will became standby as the Keystone Waste Heat Boilers together with the No. 2 Boiler House become normal steam sovirces. The present water treating facilities remove the hardness from the water but in doing so, they also add dissolved solids' to the water. In addition, during the past few years, the raw river water consumed has contained an ever increasing amount of dissolved solids, which have almost doubled since 1963, necessitating increased boiler house blowdowns and a resultant loss in steam production. _____ ._____________________ In. order to'- meet the steam requirements with existing river water conditions and provide feed water for Keystone boilers, it is necessary that additional water treating facilities be provided. ------------ It is therefore piupUBfed to ms-call a flash evaporator of a type developed by Westinghouse. The advantage of the flash evaporator is that it is designed to utilize the high pressure boiler blowdown water and primary gas cooling water make-up (both are currently wasted) and convert them into boiler feed water. Unlike the present water treating facilities, it will produce boiler feed water relatively free of dissolved solids. Annual financial effects after Keystone are expected to be $238,560 increased cost before income taxes as detailed below: BtHIBIT--Z vjeeooo006 Mr. R. C. Tyson -2 - 1-0582 Affected Cost Areas Steam Generation Water Treatment Costs Present Facilities Flash Evaporator Own Produced Electricity Depreciation - Added Facilities Property Taxes - Added Facilities Annual Financial Effects (Before Income Taxes) Current After Installation Normal of Flash Evaporator Change $2,1*1*0,1*31* $2,1*96,196 $ (55,762) (1) 189,012 1*88,722 187,710 119,100 1*88,722 52,00013,000 1,302 (119,100) (52,000) (13,000) Total $3,118,168 $3,356,728 $(238,560) ( ) Indicates increased costs. (1) Additional steam required to operate the flash evaporator. Memorandum Financial Effects Current river conditions result in an increased number of blowdowns, decreased steam production and an increase in purchased electrical power. The flash evaporator'is expected to alleviate this condition and provide the following benefits: . Affected Areas of Cost Changes Steam Generation Water Treatment Present Facilities Flash Evaporator Annual. Dollars (After Keystone) Current Water After Installation Treating Facilities of Flash Evaporator Cnangc $2,937,821 $2,1*96,196' (1) $ W*l,625 $ 27k,925 . - 187,710 119,100 87,215 (119,100) Electricity Own Produced Purchased Depreciation - Added Facilities Property Taxes - Added Facilities 408,987 219,192 1*88,722 - 52,000 13,000 (79,735) 219,192 (52,000) (13,000) Total Benefits After Income Taxes $3,81*0,925 $3,356,728 $ 1*81*, 197 $ 21*1*, 229 ( ) Indicates increased costs. (l) The flash evaporator will permit a reduction in blowdowns afijfVdSOh/rfesult will pemiit increased steam production on lower cost stej The additional steam required to operate the flash evap^ $55,762. JUi 29 >966 C.l /, o <.= G Ofrr. U-ViiTClN 1MS. EXHIBIT--Z WEE1000007 ,ij_ Mr. R. C. Tyson -3- ,) I-0582 Pertinent Points 1. Engineering Department has advised that other Mon-Valley plants using the same river water have sufficient water treating facilities, but if additional steam generation is installed, they will require additional water treating facilities. 2. It should be noted that the installation of these water treating facilities will provide adequate treated water to meet steam demands for operation of 20 batteries. Steel Works and Keystone project. However, if the dissolved solids level in the river water continues to increase as it has in the past two years, the equivalent steam capacity will be further reduced and it will be necessary to provide additional flash evaporator capacity in the future to meet peak steam requirements. 3. During 1963, the dissolved solids in river water average 300 parts per million and have increased to an average of 575 parts per million during 1965 with a monthly peak of 850 parts per million in August. 4. We are advised that the use of the main boiler house water treatment facilities is not contemplated as an alternate source after installation of the flash evaporator since a major expenditure would be required to pipe this water to No. 2 Boiler House and Keystone Boilers and alter this obsolete water treating facility so that the water would be suitable for. use in these high pressure boilers. This alternate source is not considered practical. Very truly yours, EhMCuttve Vice^re^S^t A. V. Wiebel E. H. Gott A. J. Kimball J. R. Ferguson B. A. Keay Accounting &Mmm7 WEE1000008 UNITED STATES STEEL CORPORATION APPBOPKlAIICEf BEQUEST SUBMITTED FOR COHSHSKHAUcN QF Trrut - ADDITIONAL WATER TREATING FACILITIES - COKE & COAL CHEMICAL WORKS mvmiii - * Ai--- ----------- J. |T.- ii-a HEAVY PRODUCTS L#ATI*N - CLAIRT0N WORKS atfiaagr. 1 NOT INCLUDED cbcrtr* vciriAk* * APTC* PIT Ttal w nriMcaeAsee cost ntrant -s -- 65.000 INCftCASeO SM.CS/YCAft ----CROSS LESS --_ * t CAPITAL Lr 300,000 -- TOT At s 1,300,000 S New MOHCT VCAAft T* ntema 1. 300.000 s 1,300,000 sS -- INITIAL NCNATINIa . 15 Months -- Oat* OPI o*AcrttarAticrmoNT- 24 Months A#NIAT4* CCTAIM* - 18 Months SALES PENETRATION PCfttQO -- pmsoit eewarrioKSt Treated boiler feedwater for che new No. 2 Boiler Souse and Benzene Boiler House is provided by a common wacer creating plant. It is also planned to supply feedwater to the waste heat boilers being Installed on the Keystone Project from this wacer treating plant. During the low-river period in 1965, it became apparent that the dissolved solids in che river wacer had Increased to che extent that present water creating facilities cannot provide sufficient quantities of feed water for che No. 2 Boiler House and Keystone boilers at Normal, under these con ditions. In 1965, the dissolved solids in the Monongahela River water were nearly double that of any previous year. Because of che added boiler blowdown caused by Che Increased dissolved solids in the wacer, the equivalent steam capacity of the wacer creating plant (sedimentation tanks) has dropped from 1,260,0000/hr. in 1963 to 900,000#/hr. in 1965. This drop in equivalent steam capacity of the water treating plant together with the increase in steam demand (due to high operating level) make it necessary to provide additional water treating facilities. It is Imperative chat these facilities be installed before Che seasonal poor water con ditions expected in the summer of 1967.- Provision of wacer treating facilities with an equivalent steam capacity of 500,000#/hr. (1.44 million gallons/day) will seat steam requirements of approximately 1,400,000#/hr. after Keystone. PROPOSAL; It is proposed to provide a flash evaporator water plant with-.a nominal capacity of 500,000#/hr. of high-purity boiler feedwater. This plant will be Installed north of the No. 2 Boiler House. It is also proposed to provide che necessary facil ities to utilize che full capacity of existing sedimentation tanks. The proposed evaporator unit represents a practical maximum size'consistent with current techno logy and operating experience of the industry. If the dissolved solids in the river water continues to increase as it has done in the past two years, the equivalent steam capacity will be further reduced and it will be necessary to provide additional flash evaporator capacity to meet peak steam requirements in the future. BENEFITS ANTICIPATED: Provision of these additional water Creating facilities will provide treated water capacity to meet the steam requirements to support peak opera tion of Che Coke Works (20 Batteries) plus the Steel Works-and the Keystone Project (under construction) assuaing raw water conditions remain comparable to Chat experi enced in 1965* It is estimated that there will be benefits of $244,229 annually after taxes, based on current standard operating plan adjusted to reflect actual boiler blowdown rate as detailed on Memorandum C and at peak operating level, annual benefits are estimated at $433,252, after taxes as detailed on Memorandum D. ATTACHMENTS - NCIIOWt tUMtlVC VICK MiaiNNT ftCCOMMCMOCD BY - ------------------------------A-u-t-h-o--r-iz-e-d---b-y----------- WvvElEu1u0u0u0u0w09^ AaMII*fMai e*M*tftTTt OPC*ATt** PILKT ClMM. OmATiwa nut CawM. KlICVTIVt etMMITTtl aaa* *r OwccTata DAT* - OAT* - OAT* OATt - Pat* - CCT. *T, ACCT. SCCT. EXHIBtTj?. -t-2~ 1"0582 united states steel corporation Claircon Works MEMORANDUM A (Budget Information) ACCOMPANYING APPROPRIATION REQUEST FOR "ADDITIONAL WATER TREATING FACILITIES - COKE AND COAL CHEMICAL WORKS - $1,300,000" The Project Summary dated November 29, 1965, for this project indicated a total estimated cost of $1,100,000 (all capital). It was planned to provide addi tional water treating facilities consisting of one 1,000,000 lb./hr. sedimentation tank, eight filters, five softeners, etc. This proposal would necessitate an extension to the water treating building. An appropriation estimate, based on quotations for equipment, was recently prepared for this project by United Engineers and Constructors, Inc. Their estimate revealed Chat $1,250,000 would be required to provide the facilities required. This indicates that the Project Summary estimate was $150,000 underestimated, however, it was prepared without the benefit of quotations. In the meantime, Westinghouse Electric Corporation (Water Province Department) submitted a quotation for alternate equipment, proposing Co furnish a flash evaporator water plant on a turnkey basis, including all required accessory equipment. The appropriation estimate for this plant including contingency is $1,130,000. This water plant will be capable of producing a nominal 500,000 lb./hr. of high quality boiler feedwater from high-pressure boiler blowdown which is now wasted and primary gas cooling water makeup (now wasted). In view of the advantages of a flash evaporator unit over the existing means for treating raw river water, it is recommended that the more modern facility be installed. The boiler blowdown using flash evaporator makeup will be less than IX whereas the blowdown required with the present feedwater is dependent on the dissolved polids in the raw river water and has been as high as 60Z. In addition to the technical advantages, the annual operating cost of a flash evaporator is estimated to be $27,000 less than an additional sedi mentation tank. Therefore, provision of additional sedimentation tank capacity is not recommended. However, in addition to the evaporator.plant, it will be necessary for Clairton to provide power supply to the plant, make connections to steam and water lines, provide controls for flash tanks, etc. at an estimated cost of $65,000. In addition to the foregoing, it is also recommended that the existing water treating plant be improved by the provision of two softeners (250,000 lb./hr. each) one filter, (125,000 lb./hr.) pump, piping, instruments, controls, etc. at an estimated cost of $105,000. These facilities are necessary to round out the capacity of the existing softeners (1,250,000 lb./hr.) and filters (1,625,000 lb./hr.) which are inadequate to meet the capacity of the two sedimentation tanks (1,800,000 lb./hr.). Therefore, in view of the above, it is recommended that the estimated to cost $1,300,000, be approved rather than the project Project Summary which is now estimated to cost $1,250,000. project, ,da. the Engineering Department April 29, 1966 exhibit^? weeiooooic c id UNITED STATES STEEL CORPORATION Clairton Works MEMORANDUM "B" 1=0582 ACCOMPANYING APPROPRIATION REQUEST FOR "ADDITIONAL WATER TREATING FACILITIES - COKE AND COAL CHEMICAL WORKS - $1,300,000" Treated water for the new No. 2 Boiler House and the Benzene Boiler House is provided by a common water treating plant. It is also planned to supply the waste heat boilers being installed on the Keystone Project from this water treating plant. These water treating facilities are inadequate with existing poor river water conditions, to provide treated water to meet the summer steam requirements for normal operation of the Coke Works, the Steel Works, and the Keystone Project (under con struction). Therefore, provision of additional water treating facilities is necessary to meet these steam requirements. The No. 2 Boiler House has two 900 psig boilers (one 500,000#/hr. and one 300,000#/hr.) and the Benzene Boiler House has fourteen 160-250 psig boilers (eight 30,000#/hr., three 40,000#/hr., one 50,000#/hr. and two 100,000#/hr.). The water treating plant is provided with two sedimentation tanks, (1,800,000#/hr. capacity)fourteen filters (1,625,000#/hr. capacity), six softeners (1,250,000#/hr. capacity),* and miscellaneous related facilities. When the Keystone waste heat boilers (seven- 600 psig, and two-150 psig units-approximately- 50,000#/hr. each) are installed, it is planned to supply them with treated water from the present water treating plant. The steam requirements at the 20 battery peak will then be approximately 1,400,000#/ hr. (See Exhibit I). Water is taken from the Monongahela River and processed through the hot process sedimentation tanks, filters, and softeners prior to use in the boilers. During the last few years, the quality of the river water has rapidly degenerated. This poor water condition was greatly magnified in 1965 when the dissolved solids was almost double that of any previous year (see Exhibits II and II-A). This deterioration of the river water quality has greatly Increased the amount of blowdown required in the Boiler Houses, and the equivalent steam capacity of the water treating plant has dropped from 1,260,000#/hr. in 1963 to 900,000#/hr. in 1965. The attached Exhibit III shows the effect of blowdown rate on the equivalent steam capacity of the water treating plant. The present water treating plant removes the hardness from the incoming Monongahela River water, but in doing this, it adds about 100 ppm to the total dissolved.solids in the boiler feedwater. Because of the lack of ability of the water treating plant to control''the total dissolved solids of the boiler feedwater, the boilers must blowdown greater quantities of feedwater when the total dissolved solids of the river increase, to control the dissolved soiids in the boiler con centrate. High-pressure boilers are very sensitive to total dissolved solids in the boiler concentrate, because with the high tube temperatures, even a small amount of solids carry-over will adhere to the superheater tube walls causing localized excess tube metal temperature which will cause tube failures. Because of this tendency, the American Boiler Manufacturer's Association stipulates that the total dissolved solids in the boiler concentrate shall not exceed 1500 ppm for a 900 psig boiler. EXHIBIT.? ,ljl weeiooooi 1