Document QgMjXpzRgnY2oZ8VJXV1rxrok

REQUEST . FOR APPROPRIATION date________ Hayl8> 19.66........... division______Arffloq Steel Corp. location____ Middletown. .Works ARMCO V APPROPRIATION NO.______ 71}|3-.1_. CONS'T. ORDER NO ESTIMATE NO______________ 71^3-1. PROGRAM____________________________________________________________ SHEET NO.......... ................ ........... ITEM NO._________ ______ AN APPROPRIATION IS REQUESTED FOR S 15,996,000 TO COVER THE FOLLOWING "A11 ORDER EXPENDITURE: SCAKIN3 PIT FACILITIES Installation of Soaking Pit Facilities, consisting of 21* soaking pits vith all related facilities and auxiliaries, to heat 2351,000 tons of ingots per month for the new Universal Slabbing Mill. A otftnplete description of facilities, capabilities, and future potential is included in the Engineering Report Volume I dated May 2, 1966. Volume II of the Engineering Report contains the scoping drawings. Volume III of the Engineering Report contains the estimate and chart of accounts. The Estimate Summary from the Engineering Report is attached. The estimated rate of expenditures is*. 1966 - 1st Quarter - $ 121t,000 1 2nd Quarter 192,000 \ 3rd Quarter 880,000 ' l*th Quarter - 2,800,000 1967 - 1st Quarter - 3,520,000 VP 2nd Quarter - 3,81*0,000 3rd Quarter - '2,21*0,000 i*th Quarter - 1,760,000 1968 - 1st Quarter 1*80,000 2nd Quarter 160,000 Total -$15,996,000 for APPROVAL only MIDDLETOWN WORKS EXPANSION PROGRAM ARMCO STEEL CORPORATION MIDDLETOWN, OHIO PROJECT No. 71^3 APPROVED FOR CONSTRUCTION DATE KAISER ENGINEERS, INC. MIDDLETOWN, OHIO November 26, 1965 BLUE, SMALL RED, GREEN, ORANGE AKE-002444 -% 1.0 SCOPE OF WORK 2.0 WORK BY OTHERS 3.0 DESIGN CRITERIA U.O REFRACTORIES AND INSULATION $.0 STEELWORK 6.0 FURNACE CONTROLS AND INSTRUMENTATION 7.0 ELECTRICAL 8.0 PLATFORMS, WALKWAYS, AND STAIRS 9.0 PIPING 10.0 PAINTING 11.0 SUPERVISION, START-UP'AND PERSONNEL TRAINING 12.0 USE OF PURCHASER'S MATERIAL OR EQUIPMENT 13.0 RECOMMENDED SPARES H4.O SAFETY DEVICES 13.0 GUARANTEE 16.0 ALTERNATE PROPOSALS PAGE 1 1 3 8 11 13 18 21 23 23 2k 2? 2 2$ 2 26 BLUE, SMALL RED, GREEN, ORANGE AKE-002445 SOAKING PIT FURNACES 1.0 SCOPE OF WORK 1.1 The Work to be performed under the terms of this Specification shall consist of furnishing all materials, transportation and labor required to design, detail, furnish, fabricate, deliver, unload, store, erect, install completely and start up six batteries consisting of four (ii) Soaking Pit Furnaces each, for the Slab Mill facilities as shown on the drawings and specified herein. Sub-Contractor shall furnish, and install all equipment described herein unless otherwise specifically noted. 1.2 The Sub-Contractor shall be responsible for the structural, mechanical, and electrical design of the furnaces and for the complete installation, and for dry-out and start-up of the furnaces. 1.3 The Sub-Contractor shall furnish a complete installation, including (but not limited to) all fuel, steam, water and air piping and appurtenances, furnace controls, including hydraulic system, natural draft stacks and Instrument and Control Houses, l.L The Sub-Contractor shall furnish and install all electrical equipment and wiring unless otherwise specified herein, 1,5 All final design drawings for construction or installation shall be subject to Contractor's approval. 2.0 WORK BY PIKERS 2.1 All foundations with anchor bolts, bearing plates, embedded conduit, grounding and backfill in place as shown on Sub-Contractor's foundation drawings, will be furnished by Others. 2.2 All permanent buildings with the exception of the instrumentation and control houses will be furnished by Others. < Page 1 of 31 BLUE, SMALL RED, GREEN, ORANGE AKE-002446 SOAKING PIT FURNACES 2.3 High bay lighting between Columns "W" and "Xu will be furnished and installed by OtherB. 2.h The following utilities for furnace operations will be furnished by Others. 2.L.1 U*0-li80 Volt, 3 Phase, 60 Cycle power (Sub-Contractor shall specify requirements). 2.1j.2 2l|00 Volt, 3 Phase, 60 Cycle Power (Sub-Contractor shall specify requirements). 2.L.3 Plant air at 70 P.S.I.G. Minimum - 90 P.S.I.G, Maximum cleaned and dried to -1jOF dew point in a main supply header above ground extending from Column 1 to Column 39 along Column Row MYtt. One take-off and shut-off valve will be furnished by Others at each battery of soaking pits, at each service area, and at each crane repair bay. 2lj.lj Service water from a header above ground extending along Column Row "Y" between Columns 5 and 32 with one take-off and shut-off valve at each battery of soaking pits, each service area, cover repair area, and at Column 32. 2.1.3 Well water for drinking and sanitary requirements from a header above ground, extending along Column Row "Y" between Column 5 and east end of the soaking pit building. One take-off and shut-off valve will be furnished by Others at each battery of soaking pits and at the instrument repair shop, operator's office, cover repair area and toilet areas. 2.It.6 Natural gas at a pressure of $0 P.S.I.G. which will enter the soaking pit building at the northeast corner, and will extend the full length of the building at approximate elevation liiO'-O". Page 2 of 31 BLUE, SMALL RED, GREEN, ORANGE AKE-002447 SOAKING PIT FURNACES One take-off and shut-off valve at each soaking pit battery will be furnished by Others, 2,1*,? Coke oven gas at a pressure of 6 P.S.I.G. which will enter the soaking pit building at the northwest corner and extend the full length of the building at approximate elevation l^O'-O'1, One take-off and shut-off valve at each soaking pit battery will be furnished by Others, 2.1i.8 Steam at a pressure of I50f? and J*?0F by extension of the hot strip mill header south with branch lines extending east and west along the soaking pit building Co3.umn Row "Y". One take-off and shut-off valve at each soaking pit battery will be furnished by Others. 2.1*.S> #6 fuel oil at 1$0 P.S.I.G, and 12SF by pipeline extending along Column Row uYn the full length of the soaking pit building with return line. One take-off and shut-off valve at each soaking pit battery will be furnished by Others, 2,1*.10 Construction power and utilities described under this section as construction progress makes them available. 2.1*.11 Cranes shown on drawings for limited use as erection progress permits. 3,0 DESIGN CRITERIA - GENERAL The entire soaking pit facility shall be designed and built to conform with attached drawings and this specification and shall include the following items of equipment complete: 3.1 Six (6) batteries of four (i*) pits per battery of one-way, top-fired soaking pit furnaces, complete with one (l) recuperator per pit. Page 3 of 31 BLUE, SMALL RED, GREEN, ORANGE AKE-002448 SOAKING PIT FURNACES 3.1.1 Pit Size - 6j (0 CM Length inside Width inside 12'r6" Depth from top of curb tile to top of hearth brick 17 '-0" 3.1.2 Encasement - Each pit shall be encased with a l/h" steel plate reinforced with structural steel members as required to prevent deformation. Each battery shall consist of two (2) pairs of pits and each pair shall be bound together with a top binder beam and a bottom binder beam. Each pair of pits shall be spaced apart by a septum consisting of steel "WF" buckstays providing a minimum circulating air space of 12" between side plates of these adjacent or twin pits. 3.1.3 Center Aisle - Clearance between cover carriage rail structural member's flanges at centerlines of batteries shall bo a minimum of 6*-0" to allow passage for a fork-lift truck. 3l.ii Wet Bottom - Coke breeze depth shall be 18" in the bottom of the pits, (Purchaser will be responsible for supplying coke breeze,) 3.1.5 Production Capability - The total hearth area shall be 7080 sq ft,, but for normal production only 7020 sq, ft. shall be available (equivalent to 90% availability). Burner capacity shall be 36 MM BTU/Hr. of fuel to maintain the following monthly tonnage and charging requirements. Maximum ingot temperature will be 2lj50F. S < Page li of 31 BLUE, SMALL RED, GREEN, ORANGE AKE-002449 Size of Ingots 36 x 36 x 112 I4I4 x LO x 112 50 x LO x 112 56 x J4O x 112 62 x LO x 112 68 x 1*0 x 112 7I4 x LO x 107 80 x JUO x 99 86 x 1*0 x 92 Number in Pit 12 10 8 8 8 6 6 6 6 Ingot Wt. Each In Pounds 31,500 1:3,200 L9,300 55,300 61,300 67,300 70,000 70,000 70,000 SOAKINO PIT FURNACES Percent of Total Mix Weight of Total Charge In Tons 11.7 22.6 191.li 216.0 21.1 196.8 21.8 220,8 8.3 21:5.2 5.8 201.9 lw5 210.0 3.2 210.0 1.0 210.0 Tons Per Month Track Time in Hours Ul5,750 h 72,800 1 16,1:50 Cold Total 235,000 tons/Month 3*1.6 Fuel - Each pit shall be designed for firing with any one of the following! (a) Coke oven gas at 500 BTU/Cu. Ft. (b) Natural gas at 950 BTU/Cu. Ft. (c) Standby fuel oil - #6 fuel oil at ILL,000 BTU/gallon. 3*2 Six (6) unprimed steel-bound, self-supported, brick lined stacks at a minimum of 125* high. 3.3 Twenty-four (2lj) covers and carriages as described below: 3.3*1 Covers shall be of the turtle-back type with a minimum 2" steel frame rigidly designed. Covers shall be equipped with a ltt * Page 5 of 31 BLUE, SMALL RED, GREEN, ORANGE AKE-002450 SOAKING PIT FURNACES thick steel sand seal blade. Four (h) lifting lugs shall be provided for handling and shall be located to minimize deformation of cover in handling. Cover when in sealed position shall not rest on coping tile, but shall be supported by cover carriage rails through four (It) adjustable hangers located to minimize deformation of cover. 3.3* 2 One cover carriage shall be required per pit and shall consist of an all welded steel frame on which shall be mounted the drive axle and idler axle, both of which shall be equipped with antifriction bearings. Lift drive shall be motor operated with magnetic brake so operator can lift and hold, or lower and hold, cover in any position. Rate of lift shall be six (6) inches per second, and shall drive through a speed reducer and gearing. Horizontal travel motor shall be motor operated with magnetic brake and shall drive through a speed reducer and gearing. Travel rate shall not be less than 70* per minute. Carriage shall have the capability for moving cover forward three (3) feet so pit may be viewed from the burner end. Limit switches shall be included to govern extreme length of travel in either direction and to assure that cover is accurately centered over pit before the lowering mechanism can function. Cable reels shall be shielded from the heat at all times. One panel located north of Column Row and as near the centerline of each battery as possible shall include controls turning fuel on and off with light and damper switches, for light and travel of each pit cover carriage of that battery. All mounting and wiring shall be included. Remote control FEMCO system shall be provided in each pit crane cab including Page 6 of 31 BLUE, SMALL RED, GREEN, ORANGE AKE-002451 SOAKING PIT FURNACES mounting and wiring so each pit crane operator can control any pit r cover carriage to roll back 1/3, 2/3 and full open. Control shall also prevent horizontal motion until cover is completely raised. Shielding shall be provided for motors and drives to protect them from furnace heat. Pyrometry tube and holes, if used, shall be located in such a manner that escaping flame or heat from these holes cannot affect motors, drives, or other equipment. Cover shall have sand seal hoppers to allow sand seal to be made remotely where operator can not walk between pits. Carriage rail beams shall be structural steel members of adequate design to resist heat present in this area. Rail girders shall have hardened steel wear strips to serve as rails. 3.ii Control Houses - Two (2) control houses, P'-O" high, 10'-0" wide x 80'~0" long, one for each three pit batteries, shall be furnished and installed by Sub-Contractor. Control house shall be self- contained to mount on platform furnished by Others, and shall be designed for floor loading of . Houses shall be insulated in walls, roof, and floor. Ceiling shall be acoustical metal pan with sound absorbing pads. Door shall be 31 -0" x 7 '-O'* of hollow steel construction complete with steel frame, cylinder locks, door checks, and 1/h" clear, wire reinforced glass. Windows shall be l/ii'* clear tempered glass (double thickness) with 1/2" air space, complete with glass stops and glazing strips. Air conditioning and heating equipment for filtered (bag type) and pressurized air shall be of such a size und design as to maintain a temperature of 75F in each of the control houses at all times. Air conditioning units shall be complete in all respects and shall not require water for operating. Page 7 of 31 BLUE, SMALL RED, GREEN, ORANGE AKE-002452 SOAKING PIT FURNACES 3.5 Air Blowers - Sub-Contractor shall furnish and install twenty-four (2lj) heavy duty combustion air blowers with direct drive for continuous operation. Each blower shall be equipped with a pushbutton station and safety disconnect at the blower, 3.6 Couplings - All couplings between motors and gear reducers and between gear reducer, shafts, and other shafts shall be Poole'or Falk flexible couplings. il.O REFRACTORIES AND INSULATION The refractory materials listed below shall conform to ttArmco Steel Corporation Refractories Specification ACS-102/65W attached. lul Type of Refractory Acceptable Vendors Super Duty Fireclay Brick) ) ) ) High Duty Fireclay Brick )-- ') ) ) Medium Duty Fireclay Brick) ) ) Harbison & Walker General Refractories A. P. Green Davis North American Refractories Co. Kaiser Refractories Semi-Silica Fire Brick Insulating Fire Brick A. P. Green Kaiser Refractories Johns-Manville Babcock & Wilcox Refractory & Insulation Corp. Kaiser Refractories A. P. Green < Page 8 of 31 BLUE, SMALL RED, GREEN, ORANGE AKE-002453 -V SOAKING PIT FURNACES Super Duty Plastic Ramtite (Includes Super 2J> Ramtite Plibrico and 90% Hi Alumina Ram Kaiser Refractories and Castable Material) Sub-Contractor shall furnish a complete refractory list, including quantity, quality, shapes, mortar, plastic, etc. This list must be submitted by It,2 Covers - Soaking pit covers shall be rammed with 9" of super duty plastic. lj,3 Coping - Coping shall be "L" shaped high duty tile with two soldier courses of high duty refractory brick serving as outboard members of sand seal, h*h Pit Walls - IuL.1 Soaking pit wall below coping tile and above slag section of wall shall be Detrick composite construction, 21-1/2" thick, and shall consist of 10" of super duty plastic with high duty anchors backed by 7-1/2" of high duty shapes with 2" of castable and 2n block insulation and bound by 1/k" steel plate properly reinforced to prevent deformation. luU2 Slag section of wall shall extend 30" above top of hearth brick and for a distance of 6" below top of hearth brick and shall be composed of 9n of Multex ?5 (hi-alumina phosphate bonded brick) backed by high duty brick with 2" of block insulation and bound by l/i|" steel plate properly reinforced to prevent deformation, Iu Pit Hearth - Hearth shall be 2lj-l/2" thick of high duty brick (modulus of rupture shall be 1$00 pounds per square inch minimum). < Page 9 of 31 BLUE, SMALL RED, GREEN, ORANGE AKE-002454 SOAKING PIT FURNACES U.6 Waste Gas Ports - Waste gas ports shall be as followst h.6,1 Arch shall be betrick suspended type super duty rammed plastic with 1-1/2" of castable troweled over cold lace. li.6*2 Side walls to bottom of down leg shall be 9" of high duty brick backed by 14-1/2" insulating fire brick and one inch of block insulation bound by a 1/lj" steel plat properly supported to prevent deformation. lj.6.3 Breast wall to break at downleg shall be 6" Multex backed by high duty brick and 2" of insulating block. ktS.k North wall of downleg shall be 9" super duty brick backed by L-l/2" of 2000 insulating fire brick with one inch of block Insulation and bound by l/hn steel plate properly supported to prevent deformation. h.6.5 Bottom of downleg shall be 7-1/2" high duty brick backed by 5" of insulating firebrick 3.aid on I/I4" steel plate over a red brick grid for ventilation. il.7 Waste Gas Flue from Downleg to Cross Flue - 1{.7.1 Sprung arch shall consist of 9" of high duty brick backed by li-1/2" of 2000 insulating firebrick with 1" of insulating cement. lj.7.2 Sidewalls shall be 9" high duty brick backed by li-1/2" of 2000 IFB with 1" of block insulation and bound by l/lj" steel plate properly supported to prevent deformation. 14*7.3 Bottom shall be 7-1/2" of high duty brick backed by 5" of insulating firebrick laid on 1/h" steel plate over a red brick grid for ventilation. Page 10 of 31 BLUE, SMALL RED, GREEN, ORANGE AKE-002455 SOAKINQ PIT FURNACES 14.8 Cross Flue - in 8.1 Sprung arch and sides shall be 9" of medium duty brick backed by 14-1/2" of 1600 insulating fire brick. Sidewalls shall be bound by 1/L" steel plate properly supported to prevent deformation. In 8.2 Bottom shall be 7-1/2" medium duty brick backed by 5" of , l600 insulating firebrick on I/I4'1 steel plate over red brick grid for ventilation. 24.9 Stack Lining - 14.9.1 Bell section shall be 9" medium duty brick with red brick fill. 14.9.2 Straight section shall be b-1/2" of medium duty brick. I4.IO Hot air ducts shall be lined with I4-I/2" of 1600 insulating firebrick. 5.0 STEELWORK 5.1 General Design Criteria 5*1.1 The steel used to support and bind the soaking pits shall be of sufficient section to withstand stresses and temperature which will occur in them. 5*1*2 The soaking pits shall be supported on a steel I-beam grillage. The steel beam grillage shall be supported on bearing plates on concrete foundations. (Foundations and bearing plates shall be furnished by Others.) All areas under pits shall be accessible insofar as possible. 5.1.3 Side and front wall casing shall be of 1A" steel plate. 5*1.i| Burner wall casings shall bo of 1/2" steel plate. Page 11 of 31 BLUE, SMALL RED, GREEN, ORANGE AKE-002456 SOAKING PIT FURNACES 5.2 Pit Structural Steel ~ 5.2.1 Hearth steel shall bo 3" thick steel slab supported on steel grillage beams. The grillage beams shall be designed to resist without permanent deformation the impact of a 35 ton ingot dropped from a height of one foot. The grillage beams shall be supported on bearing plates embedded in the concrete foundations. (Bearing plates shall be furnished installed, leveled, and grouted by Others.) Hearth steel shall be designed independently of wall steel so impact loads of dropped ingots shall not be transmitted to pit wall supporting steel, nor burner wall supporting steel, and so hearth steel can' be replaced without removing wall. Hearth steel shall not extend under the wallB. $.2,2 Sidewall steel shall consist of vertical I-beams f extending the full height of the pit wall and of such size and, spacing to support the wall and prevent deformation. Vertical beams shall be tied top and bottom to horizontal binder beams or walers. 5.3 Steelwork for Downtakes and Flues - Side, top, and bottom plates shall be l/ty` .thick with buckstays sized and spaced to support walls and arches to prevent deformation. Flues shall be encased in.steel from soaking pit to base of stack. 5.L Barrier Plates - 5.L.1 Barrier plates between ingot buggy track and soaking pits shall be 2U thick x 10n wide x full height (20'-0u) and shall be hung 6" apart on column face toward ingot buggy track. A metal screen suitable for protecting personnel from hot scale shall be provided over the full wall area. This screen shall be installed on column face toward pit side of wall. Page 12 of 31 BLUE, SMALL RED, GREEN, ORANGE AKE-002457 SOAKING PIT FURNACES .ii*2 The brick walkway along the ingot buggy track shall be laid on a 2" supporting slab. $.5 Cleanout Holes - Two (2) cleanout holes, 17" x 26", shall be provided in the bottom of each pit for the removal of cinders. A manual lever-operated door for cleanout hole buggy shall be provided for each cleanout* Buggy shall, roll back on rail beams running lengthwise of pit bottom. One (1) cleanout sleeve and collar shall be provided for each cleanout hole as shown on Drawing No. 6.0 FURNACE COMBUSTION CONTROLS AND INSTRUMENTATION 6.1 Burners - Sub-Contractor shall furnish and install one or two combination gas 6r oil fired burners for each pit, suitable for use with 800F preheated air at the burner. Total burner capacity shall be 36 MKBTU of fuel per hour, and shall be designed to fire natural gas, coke oven gas, or steam-atomized #6 fuel oil. The burner shall be capable of switching from gas to oil firing and back to gas with a minimum of maintenance time. The oil tube must be retractable and capable of being locked in the inserted or retracted positions. 6.2 Shut-Off Valves Per Burner 6.2.1 One (1) gas shut-off valve (plug cock). 6.2.2 One (1) fuel oil shut-off valve. 6.2.3 Two (2) steam shut-off valves. 6.2.h One (l) steam purge valve. Sub-Contractor shall state supplier and complete description of all valves. 6.3 Pit Temperature Control Per Pit 6.3.1 One (1) L & N full size Pneumatic Indicating Recording Controller, round chart. Page 13 of 31 BLUE, SMALL RED, GREEN, ORANGE AKE-002458 SOAKING PIT FURNACES 6.3.2 Two (2) Platinum - platinum 13^ rhodium thermocouples with compensated extension wire. 6*3.3 On (l) thermocouple selector switch. 6.3.1; One (l) fuel selector switch. 6.3.3 Hagan pilot-operated pneumatio'cylinder to drive gas and oil valves. 6.3.6 One (1) V-port gas flow control valve. 6.3.7 One (l) fuel oil flow control valve per burner. 6.3.8 One (l) steam/oil ratio control valve per burner. All control valves shall be complete with suitable by-pass arrangements. 6.1; Fuel/Air Ratio Control per Pit 6.U.1 One (l) Askania hydraulic ratio regulator complete with impulse transfer valve, man-auto station and set point dial. 6.U.2 One (l) Askania hydraulic air butterfly actuator. 6.1;.3 One (1) combustion air flow control butterfly. 6.1;.i; One (l) measuring device for measuring hot combustion air. 6.1;.3 One (l) double orifice arrangement for measuring coke oven gas or natural gas. 6.it6 All necessary impulse piping with shut-off and by-pass valves complete. 6.1i7 One (1) CA thermocouple for measuring hot air temperature. 6.14.8 One (l) L. & N. hot air temperature compensation control with motor to adjust the Askania ratio regulator. 6.1;,9 One (l) G.P.E. oil flow transometer. 6.1;.10 One (1) Hagan fuel/air flow recorder with hot air temperature compensation and fuel integrator. Page 1); of 31 BLUE, SMALL RED, GREEN, ORANGE AKE-002459 SOAKING PIT FURNACES 6.5 Pit Pressure Control per Pit 6.^.1 One (1) Askania pit pressure controller complete with manual-auto station and set point dial. 6.5.2 One (1) Hagan pit pressure recorder. 6.5.3 One (l) hydraulic cylinder for controlling the water- cooled flue damper - complete with necessary linkage. 6.5.1* One (l) Blaw-Knox water-cooled damper with water-cooled seat complete with valves, hoses and connections to Purchaser's service water supply and drain headers. (Item 2.U.1*) 6.6 Fuel and Air Pressure Control per Battery - 6.6.1 One (1) coke oven gas pressure regulator to reduce from supply header (Item 2.U.?) at 6 P.S.I.G. 6.6.2 One (1) natural gas pressure regulator to reduce from supply header (Item 2.1|.6) at 50 P.S.I.G. 6.6.3 One (l) fuel oil pressure regulator to reduce from supply header (Item 2.14.9) at 150 P.S.I.G. 6.6,14 One (1) steam pressure regulator to reduce from supply header (Item 2.I4.8) at 150 P.S.I.G. and l470F. 6.6.5 Four (I4) combustion air header pressure controllers to provide constant header pressure complete with mechanism to actuate fan inlet vanes. 6.7 Fuel Oil Conditioning per Battery - 6.7.1 One (l) fuel oil heater to elevate oil temperature to 200F from supply header (Item 2.U.9) at 125F. 6.7.2 One (1) Spepce steam flow regulator to control temperature .of fuel oil complete with temperature measuring element. < Page 15 of 31 BLUE, SMALL RED, GREEN, ORANGE AKE-002460 SOAKING PIT FURNACES 6.8 Fuel Shut-off Valves Per Pit 6.8.1 One (1) plug type gas shut-off valve, 6.8.2 One (l) fuel oil shut-off valve, 6.8.3 One (l) steam shut-off valve. 6,8,One (1) gas safety shut-off valve with manual reset to be activated by combustion air pressure failure, gas pressure failure, or power failure. 6.8.5 One (l) fuel oil safety shut-off valve with manual reset to be activated by combustion air pressure failure, fuel oil pressure failure or power failure. 6.9 Fuel Shut-Off Valves per Battery - 6.9.1 One (1) coke oven gas header plug type shut-off valve downstream from coke oven gas regulator. 6.9.2 One (l) natural gas header plug type shut-off valve downstream from natural gas regulator. 6.10 Recuperators per Pit - 6.10.1 One (l) Hazen metallic tube recuperator designed for heating combustion air to 800F at the burner with a flue gas inlet temperature of 2200F. Recuperators shall be designed for 60% of maximum requirements. 6.11 Recuperator Protection Control per Pit - 6.11.1 One (1) L. & N. hot air bleed controller with motor to actuate hot air bleed control valve. 6.11.2 One (1) hot air bleed control elliptical butterfly valve. 6.11.3 One (1) Askania differential pressure controller to , proportion air flow through the Hazen recuperator complete with Askania cylinder for positioning cold air butterfly. Page 16 of 31 BLUE, SMALL RED, GREEN, ORANGE AKE-002461 SOAKING PIT FURNACES 6.11.1} One (l) cold air butterfly control valve. 6.11.5 One (l) L. & N. Speedomax "H" Cleertrend six-point temperature recorder. 6.11.6 All thermocouples required for hot air temperature recording and controlling. 6.12 Combustion Air Blowers and Motors Per Pit 6.12.1 One (l) combustion air blower to be sized 20% above theorotical requirement for pressure and 25^ above theoretical requirement for volume. Additional capacity must be added to conform with Hazen's requirement for hot air bleed. Blower unit shall be complete with inlet vanes for controlling constant header pressure. 6.12.2 One (l) combustion air blower motor. 6.13 Controls and Instrumentation Drawings - Sub-Contractor shall submit a schematic drawing of pit combustion and recuperator protection control systems. This drawing shall be complete with relative location of all gas, oil, combustion air, steam, compressed air, and hydraulic pipelines and valves. All control units, including regulators, valves, sensors, impulse lines, switches, and set point stations shall be shown with a brief description of each unit (including manufacturer's name and model no.). 6.11} Combustion Piping 6.1i}.l Hot combustion air piping shall be lined with li-l/2" of 1600F insulating firebrick. 6.15 Oxygen Analyzer - Sub-Contractor shall furnish and install one (l) oxygen analyzer capable of processing samples from 2 adjacent pit Page 17 of 31 BLUE, SMALL RED, GREEN, ORANGE AKE-002462 SOAKING PIT FURNACES flues. Installation shall occur at ones (l) batter to be selected by Contractor. 7. ELECTRICAL Sub-Contractor shall furnish and install all electrical equipment required for complete soaking pit facilities (except for the high bay lighting in soaking pit building, high bay lighting in lean-to building, lighting and electrical equipment in the cinder-handling coke-breezeservice area, and the lighting of the longitudinal material handling tunnel beneath the ingot buggy track, all of which shall be by others). 7.1 Sub-Contractor shall furnish and install all lighting fixtures, switches, panelboards, and accessory equipment required for illumination at the furnace control houses, walkways, stairs, and for all equipment furnished or installed by Sub-Contractor. All lighting shall conform with Armco Electrical Distribution Standard. 7*2 All motors 1/ii hp up to and including 200 hp shall be 220/UtO volt, 3 phase, 60 cycle. All motors, 1 hp and above, shall be totally enclosed, fan cooled, continuously rated, with Class B insulation, 55C rise. Motors below 1 hp can be TENV with Class B insulation, 55C rise, and 1.15 service factor. 73 Temperature controls and auxiliaries shall use 120 volt, 60 cycle, single phase power. 7All wiring shall be designed for operating environment. All grounding, wiring, and electrical equipment shall conform to Purchaser's Electrical Design and Construction Standards where applicable (Exhibit A). < Page 18 of 31 BLUE, SMALL RED, GREEN, ORANGE AKE-002463 SOAKING PIT FURNACES 7.5 Pit Cover Cable Reels 7.5.1 Vendor shall furnish each pit cover with one (1) "Aero- Motive Mill-Duty Pow-R-Matic Electrical Cable Reel" complete with the required number of collector rings properly selected for soaking pit service and equipped with series "MDn spring motors. 7.5.2 Flexible Cable for Pit Cover (a) Cable shall be constructed of the required number of individual conductors cabled around an asbestos core, with asbestos fillers, overall wraps of mylar tape, asbestos tape, and j?30 AWG stainless steel 90% basket weave armor. (b) Individual conductor gaxiges shall be as required with extra flexible stranding. Insulation shall be h5 mils silicon rubber with a glass braid jacket. Individual conductors shall be color coded per IPCEA Method 1. 7.6 Limit Switches - Each limit switch shall be of heavy duty steel mill design and shall be specifically designed for environmental conditions. 7.6.1 Soaking pit cover lift limit switches shall~be the rotating cam type in gasketed enclosures and shall be directly coupled to the carriage drive through gear reduction, 7.6.2 Soaking pit cover travel limit switches shall be the hatchway type with steel rollers. 7.7 Motor Control Centers - Motor Control Centers shall be in accordance with ACS-570-01 and shall be manufactured by the General Electric Company. 7.7.1 Each motor control center shall be rated at 600 amperes load and the initial demand loading per center shall not exceed 500 amperes. Page 19 of 31 BLUE, SMALL RED, GREEN, ORANGE AKE-002464 SOAKING PIT FURNACES 7.7*2 Starters shall be grouped so that individual batterymotor loads are in the same center. 7*8 Safety Disconnect Switches - All 3-pole, 600 volt safety disconnects shall be Square D mill and foundry switches. 7.9 Lighting Panelboards - All 120/2b0 volt lighting panelboards shall be Square D, Type NQOB, in NEMA 12 enclosures. 7*10 Master Switches - Master switches for console mounting for manual/ automatic and cover "open-close" shall be General Electric Company or equal. 7.10.1 Each master switch when operated in the "open" position shall lift cover', traverse cover to the extreme open position and stop all operations {even though the master switch may still be in the open position). Similar reverse operation shall follow when the master switch is operated to the "close" position. Either of the two motions shall be interrupted by throwing the master switch to the "off" position, but will continue automatically in either direction by operating the master switch. 7.10.2 Each battery shall be equipped with a MRemote"-"Local" selector station for remote control by BOaking pit crane operator through a "FEMCO" or equal control system. 7.11 Pushbutton Stations - Pushbutton stations shall be the three (3) element, oil tight, heavy duty type for combustion air motor, dilution air motor, Askania pump units and air conditioning system. 7.12 Brakes - Cover lift motor and cover travel, motors shall be General Electric or equal with Class "B" insulation. Page 20 of 31 BLUE, SMALL RED, GREEN, ORANGE AKE-002465 SOAKING PIT FURNACES 8.0 PLATFORMS, WALKWAYS, AND STAIRWAYS 8.1 All platforms, walkways, and stairways shall be furnished, fabricated, and installed, complete with handrails and kickplateB by Sub-Contractor. The Work shall conform with Arraco Standard Drawing No. SK-10ltl-K and SK-10h2-M for Stairways and Handrail, and shall include (but shall not be limited to) the following. 8.2 All operating platforms at elevation 12lj '-0U (except the IjO ft. section of Service Area which will be by Others). Operating platforms shall be designed for a 600 lb/sq. ft. live load. 8.2.1 Those areas over which the hot pit covers will be retracted shall be paved with i|-l/2" (Rowlock) Low Duty refractory brick or castable refractory supported by structural steel. 8.2.2 The passage (approximately S'-O") between twin pits shall be constructed of lj-l/2" (Rowlock) load bearing refractory brick, supported by structural steel members. The passage shall be designed to carry a live load of 600 lbs. per sq. ft. 8.2.3 The platforms directly over the burner or burners (at elevation 12li'-0n) shall consist of a heavy steel removable grid to provide ventilation for the area around the burners. Grid bars shall be 3/bn x 3" steel spaced at 2-1/h" O.C. Removable grid shall be approximately 2,-0" wider than each side of burner. 8.2.1j The Control House Platform (at elevation 12ij `-O'1 and north of Column Row "Y") shall be steel grating supported with structural steel. Platform shall be designed to carry a live load of 150 lbs. per sq. ft. Page 21 of 31 BLUE, SMALL RED, GREEN, ORANGE AKE-002466 SOAKING PIT FURNACES 8.2.5 The walkway at elevation 12l|,-0" on the ingot buggy side of the pits shall be constructed of h-l/2" Rowlock, load-bearing refractory brick placed on a 2" thick slab, supported by structural steelwork. 8.3 Burner maintenance platform at an elevation of approximately 111* '-O" shall be steel grating designed to carry a live load of 300 lbs./sq. ft. 8.14 Thermocouple access platforms on the ingot buggy side of the pits and the access platforms between pits at this level shall be steel grating designed to carry a live load of 150 lbs./sq. ft. 8.5 Platforms over the soaking pit cross-flues, and platforms connecting with burner access platforms shall be grating, adequately supported to carry a live load of 300 lbs./sq. ft. 8.6 All stairways shall be designed for a live load of 150 lbs./sq. ft. 8.7 The remainder of platform at elevation 12ii '-0" from Column Row MY'* ` to refractory lined section shall be paved with reinforced concrete designed to carry a live load of 600 lbs./sq. ft. Page 22 of 31 BLUE, SMALL RED, GREEN, ORANGE AKE-002467 SOAKING PIT FURNACES 9.0 PIPING All piping and piping insulation shall conform to the following attached Armco Corporate Standards: 9.1 PIPING - GENERAL - ACS-h00-01 9.2 PIPING - STEAM - 1$0 P.S.I.G. AT $00F - ACS-LOQ-03 9.3 PIPING - STEAK SUPERHEATED - ij25 P.S.I.G. AT 750F - ACS-bOO-Oi) 9.14 PIPING - WATER - DRINKING - IgO P.S.I.G. - ACS-UOO-Og 9.5 PIPING - OIL - FUEL - ACS-bOO-22 9.6 PIPING - OXYGEN - ACS-hOO-I3 9.7 PIPING - COKE OVEN GAS - IgO P.S.I.G. AT 200F - ACS-frOO-lg 9.8 PIPING - GAS - NATURAL - ACS~i]00-lh 9.9 PIPING - AIR - COMPRESSED - ACS-bOQ-12 9.1 PIPING - WATER CONTAMINATED IgO P.S.I.G. - ACS-b00-06 9.11 PIPING - INSUIATION - ACS-bOO-35 10.0 PAINTING All gears, shafts, and other machined parts shall be rust protected. All surface preparation, paint, and paint application shall conform to Armco Paint Standards. All structural and other unfinished parts shall be cleaned and painted as follows: Primer Finish Coat 10.1 Electrical (Motors and Controls) Armco Standard No. 3 (Iron oxide-sine chromate) Armco Standard No. 15-6 (red enamel) 10.2 Machinery Guards Armco Standard No. 3 (iron oxide-zinc chromate) Armco Standard No. 5-13 (beige enamel) 10.3 Structural Parts of Armco Standard No. 17 Armco Standard Equipment (Epon Modified No. 17A9 Purpose Primer) (gre^n enamel) i Page 23 of 31 4AM BLUE, SMALL RED, GREEN, ORANGE AKE-002468 SOAKING PIT FURNACES Primer Finish Coat io.L Hydraulic Parts Armco Standard No. 3 (iron oxide-zinc chromate) Armco Standard No. 13 (white enamel) 10. Structural Steel Armco Standard No, 3 (iron oxide-zinc chromate) Armco Standard No. 15-J| (It. gray enamel) 10.6 Walkways and Stairs Armco Standard No. 3 (iron oxide-zinc chromate) Armco Standard No. 13-3 (dk gray enamel) 10.? Handrails : Armco Standard No, 3 (iron oxide-zinc chromate) Armco Standard No. 20-1 (yellow enamel) 10.8 Soaking Pits (and Silicone Base Silicone Base 1 s other equipment Aluminum Pigment exposed to high-temp.) Aluminum Pigment i 10.9 Piping i t i.1 As primed by pipe manufacturer As shown on Armco Standard Specification ACS-i<00l02 i5. 10.10 Instrumentation and Electrical Controls 1; in the Instrument if-*. Control Houses 10.11 Instrument Control yT14 Houses Gray as received from manufacturer Colors shall be specified by Owner 10.12 Stacks (steel, insulated) Armco Standard Paint No. 2A Armco Standard Paint No. 3C 11.0 SUPERVISION, STARTUP, AND PERSONNEL TRAINING 11*1 Erection and/or Service Representative(s) - Sub-Contractor shall provide complete supervision for the dry-out, start-up and operational tests to be performed on the job site.'' Sub-Contractor shall provide all necessary assistance until all soaking pits are performing acceptably in the opinion of the Purchaser, < Page 2k of 31 BLUE, SMALL RED, GREEN, ORANGE AKE-002469 SOAKING PIT FURNACES 11.2 OPERATION AND MAINTENANCE - TRAINING AND DATA Sub-Contractor shall provide all the necessary operation and maintenance training and data required for Purchaser's personnel to successfully maintain and operate the soaking pits. A minimum of( ) sets of operation and maintenance manuals shall be furnished by Sub-Contractor. 12.0 USE OF PURCHASER'S MATERIAL OR EQUIPMENT The Sub-Contractor shall utilize, where applicable, Armco manufactured materials or equipment in the design, fabrication, and installation of the facilities specified herein. 13.0 RECOMMENDED SPARES Sub-Contractor shall provide a list of recommended spares, clearly indicating the pieces of equipment. List shall indicate type, part . number, manufacturer's name, size, unit price, and any other information required for replacement, and the recommended number of spares. UuO SAFETY DEVICES Sub-Contractor shall equip the Work covered by this Specification with all proper safety devices for the protection of workmen and shall provide suitable, removable safety guards for all exposed moving parts, such as gears, roller chains, belts, brake wheels, couplings, and the like. Sub-Contractor warrants that such work shall meet the requirements of, and be in conformity with, any and all applicable Federal and local laws, rules, regulations, and ordinances. liO GUARANTEE The Sub-Contractor shall and does hcsreby guarantee the installation and equipment furnished by the Sub-Contractor under the terms of the Contract will be well designed, manufactured, and installed, will perform Page 25 of 31 BLUE, SMALL RED, GREEN, ORANGE AKE-002470 SOAKING PIT FURNACES successfully the operation for which it is purchased at the speed, rating, and capacity stated in this spepification, and that all materials used will be of first class quality and suitable for their respective purposes. 16.0 ALTERNATE PROPOSALS 16.1 Alternate A - Battery-Type Recuperator - Sub-Contractor shall quote as Alternate A,' the Soaking Pit Furnaces as specified herein but with the following additions, deletions, and/or changes. 16.1.1 Page 3 of 31> Item 3.1; change to read: 3.1 Six (6) batteries of four (L) pits per battery of one-way, top-fired soaking pit furnaces, complete with one (l) recuperator per battery. 16.1.2 Page 11 of 31, Item lj.6.1; change the first sentence to read : Sprung arch and sides shall be 9" of high duty brick backed by 11-1/2" of 2000 insulating fire brick. 16.1.3 Page 11 of 31, Item l}.8.2j change to read: Bottom shall be 7-1/2M of high duty brick backed by 5" of 2000 insulating firebrick on 1/lp* steel plate over red brick grid for insulation. l6*l.ii Page 11 of 31, add new Item ii.8.3: 11.8.3 Flue section from cross flue to base of stack shall be the same as specified in Item h.8.2 above. 16.1.5 Page 15 of 31, Item 6.6.5; change to read as follows: One (l) combustion air header pressure controller to provide constant header pressure complete with mechanism to actuate fan inlet vanes. Page 26 of 31 BLUE, SMALL RED, GREEN, ORANGE AKE-002471 SOAKING PIT FURNACES 16.1.6 Page 16 of 31> Item 6.10; change to read: 6.10 Recuperators Per Battery - One (l) thermal transfer metallic tube recuperator designed for heating combustion air to 800F at the burner with a flue gas inlet temperature of 1850F. Recuperator shall be designed for 7$% of maximum firing rate of four pits. 16.1.7 Page 16 of 31, Items 6.11 and 6.11.1; change to read: 6.11 Recuperator Protection Control Per Battery - 6.11.1 One (1) dilution air system to control flue gas inlet temperature to the recuperator to a maximum temperature of l850F. System shall include a dilution air fan with motor, hot air temperature'controller with temperature sensor, dilution air flow control butterfly (or fan inlet vane control) with actuator and required ductwork to connect to point of inlet to flue. 16.1.8 Page 16 of 31, delete the following Items: Item 6.11.2 Item 6.11.3 Item 6.II.I1 16.1.9 Page 17 of 31, Item 6.12, change to read as follows: 6.12 Combustion Air Blowers and Motors Per Battery 16.1.10 Page 17 of 31, Item 6.12.1; change second sentence to read: Combustion air volume requirement must be based on the maximum firing rate of four pits. 16.1.11 Page 17 of 31, add new Item 6.1L.2 to read as follows: 16.Hi.2 Combustion air headers for three (3) batteries shall be connected with shut-off gates between batteries in order to operate either with one fan supplying air to one battery (with Page 2? of 31 BLUE, SMALL RED, GREEN, ORANGE AKE-002472 SOAKING PIT FURNACES gates closed) or two fans supplying air to three batteries (with gates open). 16.2 Alternate B - Direct Fired - Sub-Contractor shall quote as Alternate B the Soaking Pit Furnaces as specified but with the following additions, deletions, and/or changes: 16.2.1 Page 3 of 31, change Item 2.U.8 to read as follows: 2.I4.8 Steam at a pressure of 150 P.S.I.G. and L70F by extension of the hot strip mill header south with branch lineB extending east and west along the soaking pit building Column Row ttYtt. One take-off with shut-off valve shall be provided at each control house. 16.2.2 Page 3 of 31, Item 2.14.9; change first sentence to read as follows: 2.U.9 No. 2 fuel oil at 0 P.S.I.G. and ambient temperature by pipeline extending along Column Row nYu the full length of the soaking pit building with return line. 16.2.3 Page 3 of 31, Item 3*1; change to read: Six (6) batteries of four (U) pits per battery of one-way, topfired soaking pit furnaces designed for direct firing with cold air. I6.2.I4 Page 1; of 31, Item 3.1.5; change second sentence to read: Burner capacity shall be I4O MMBTU/Hr. of fuel to maintain the following monthly tonnage and charging requirements. 16.2.5 Page of 31, Item 3*1.6 (c) change to read: Standby fuel oil - No. 2 fuel oil at 128,000 BTU/gallon Page 28 of 31 BLUE, SMALL RED, GREEN, ORANGE AKE-002473 SOAKING PIT FURNACES 16.2.6 Page 8 of 31, add new Item 3,$.2 as follows: 3.5.2 Sub-Contractor shall provide atomizing air for #2 fuel oil and state what air pressure is required at the burner and what percent of total combustion air is needed for atomization. 16.2.7 Page 11 of 31, Item It.8.1; change first sentence to read: Sprung arch and sides shall be 9" of high duty brick backed by h-1/2" of l600F insulating fire brick. 16.2.8 Page 11 of 31, Item L.8.2, change to read: Bottom shall be 7-1/2" high duty brick backed by 5" of 2000F insulating firebrick on 1/1;" steel plate over red brick grid for ventilation. 16.2.9 Page 11 of 31, delete Item It.10. 16.2.10 Page of , Item 6.1, change the first and second sentence to read: Sub-Contractor shall furnish and install one or two combination gas or oil fired burners for each pit, designed for firing with cold combustion air. Total burner capacity shall be ItO MMBTU/Hr of fuel per hour, and shall be designed to fire natural gas, coke oven gas or air-atomized No. 2 fuel oil. 16.2.11 Page 13 of 31, Item 6.2.3; change to read: 6.2.3 Two (2) atomizing-air shut-off valves. 16.2.12 Page 13 of 31, Item 6.2.lj; change to read: 6.2.^ One (l) air purge valve. 16.2.13 Page lit of 31, Item 6.3.8, change to read: One (l) atomizing air/oil ratio control valve per burner. 16.2.1U Page li; of 31, add new Item 6.3.9 to read: 6,3.9 One (l) L&N "Speedomax H Cleertrend six-point temperature recorder" Page 29 of 31 BLUE, SMALL RED, GREEN, ORANGE AKE-002474 SOAKING PIT FURNACES 16.2.10 Page lit of 31, Item 6.inl4j change to read: One (l) measuring device for measuring combustion air. 16.2.16 Page lit of 31} delete Item 6.in? and 6.in8. 16.2.17 Page lii of 31> Item 6.I1.IO; change to read: One (1) Hagan fuel/air flow recorder with fuel integrator. 16.2.18 Page 10 of 31> Item 6.6.35 change to read: One (1) fuel oil pressure regulator to reduce from supply header (Item 2.L.9) at 00 P.S.I.G, 16.2.19 Page 10 of 31* delete the following: Item 6.6.1: Item 6.7 Item 6.7.1 Item 6.72 Item 6.7.3 16.2.20 Page 16 of 31> Item 6.8.3j change to read: 6.8.3 One (l) atomizing air shut-off valve. 16.2.21 Page 16 of 31, delete the following: Item 6.10 Item 6,10.1 Item 6.11 Item 6.11,1 Item 6.11.2 Item 6.11.3 Item 6.11.1: 16.2.22 Page 17 of 31> add new Item 6.12.3 to read as follows: 6.12.3 Sub-Contractor shall furnish additional blowers for atomizing air if his combustion system requires a higher pressure for atomizing air than for combustion air. Page 30 of 31 BLUE, SMALL RED, GREEN, ORANGE AKE-002475 SOAKING PIT FURNACES 16*2.23 Page 17 of 31> Item 6.13> change first and second sentences to read: Sub-Contractor shall submit a schematic drawing of pit combustion control systems. This drawing shall be complete with relative location of all gas, oil, combustion air, compressed air, and hydraulic pipelines and valves. 16.2.2b Page 17 of 31, delete Item 6.1b and 6.1b.1 in its entirety. r * * if r Page 31 of 31 BLUE, SMALL RED, GREEN, ORANGE AKE-002476 DESIGN DRAWINGS Number PH-3297-1560 PR-3297-1561 PR-3297-1562 PR-3297-1563 PR-3297-l56h PR-3297-1565 PR-3297-1566 PR-3297-1567 PR-3297-1566 PR-3297-1569 PR-3297-1570 PR-3297-1558 PR-3297-1559 PR-3297-1571 PR-3297-1572 PR-3297-1573 PR-3297-l57it PR-3297-1596 SOAKING PIT FURNACES Specification No. 71li3(U-l) Title Substructure and Column Arrangement Plans Superstructure - Roof Framing Plans and Cross Sections Typical Sections Elevations and Details Elevated Platforms - Plans and Sections Building Elevations - Roof Plan Building Sections General Arrangement General Arrangement General Arrangement Longitudinal Sections Cross Sections Existing Ingot Family Setting Diagram New Ingot Family Setting Diagram Schematic Diagram h80 Volt Unit Substation One Line Diagram 250 Volt DC Rectifier One Line Diagram Communications Plot Plan BLUE, SMALL RED, GREEN, ORANGE AKE-002477 XA On r-( 'cOo rAl.2 3 jl! > J8 O ;> O H 3 o 55 c o p pTO O H H O a CO 0) P CO <D O O 0) STf H X) m s-s ToTTOOO &o J<CDJ c H txO 'S s ->5 t* o 5tHs -opS X> *Pi otj co -p o >JS d "** ' JG O TO IS 3 ex w E x o -3^ rH w rt h x: n rto -4 -P jo xi Si o xs K -P xf (h 31 o oa $ -p _n o *d o a) oI X! d E-< tO f4 Q> d XI CQ <K O 53 'd C O H P O o. o fn P* e.4 o $ TO Q CM r\ S 0TO) to S p *tdo u i o u 0 0) p 0> H O. 1 o U O TO t* P rT-Oi 'd 0 P TO TO 1 3 s P o g p c o CO t * tO TO XJ C oo rt o C *H H H TO HoTO S& TO PO *-i P Xbp3O H TO uTO .O xs pto c St CO .s o O TO PTtUOo TO CM C?1 XA bO ra-l H-p r-t *r-f u o XS (4 P ' *< Co TO XA BLUE, SMALL RED, GREEN, ORANGE AKE-002478 * Dons ~' H earth S te e l S l a b ....................................................... 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Fuel gas Piping teai For O il Ref< in Soaking P it Cover (Reference Item 3.3*1) JS I XMoGS Xo a o I P XOI tO to G o 8 rHoaH o M o1d0 10 ,a3 p<* ort WO x> -o3 Hco10 irH P 4O$ 9U>( to (0 - h rts ^ CM 3 vO E Cu do -WbGO p. 48 uoc 0) r0H) 48 to. 0) to 4> G rH e -G a> A t&0f) PH48 rOH P o *H *hP O0) O c^o oI BPo <apH; Ptf to P G C^\ % X -H e 0P*0 -MP Pi w 44 < to (X, 4C* a 4> (9 GQ 0) e tj d fH d o ~z3 OJ erf u B u $ & O > p p H'-p T> <OH _t) M OPCuP oM tpo Mr, c_o__i -p c p E 0) XA r4 -3 erf s *4 ^ JpP6 H o rxrH>t *G*H>-f -POP.sC--Prf- H S3 CO SO cp pt* so= tio*74 Sil E 48 b2 *t$^4> O 0> ^ *g g 05 to '-- ^ 3 45 to ton -p JUH3> $ EO-< tHo Os H 4 oCSJ rCHM CCMM CO eo~i -=f p IP- I < a BLUE, SMALL RED, GREEN, ORANGE AKE-002481 t 8 tt *C 5o Ft (0 CO X! jC oo c M 4fx>< CM O cl o fi O ocl tpHo* o e-* to 0) ,c o d> 3 83 to H tO o o ~* rH O 0) -tPo no Q> a CM CM (0 C> l to <D CO v> 0) X> W <D JO t-> O i 00 4> CO V rH CO r Q> P e Q> o> c $ E-* p o . 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H ft O to *o p E r-l -3 \A <M C 0) OO H C 4n> 0u> >spS ',a-<>> o o -3 fA o s O ft, ^O ~ .M to uto c S3 t> o . ft M E CU r-f -H r-< O C r-j ^3 SV% 2 ^,, x(.)V\ D 0 ffi . oee Q M>-$ P 0) C M O l--i t( to o -P o rt o iJti h C oo too ocx f< 1 xgto> <oX uo. "artii'twVi' * 1A CA 4* X> <--f to S to CO lf\ H fA O fPt MO ae O 0) O -P H ft 3 P c ttf ft ft P,tH > E-t'-' vO * 4 4 4 4 4 4 o > H OLt ^ CO P4 CO 4 O so oE P ft) PP (1) *rHH OC O 0) VE hQJ 5 <M 0) ft) P OS CO w <*\ r-t o5 ri Pc g *H ft> O<0 <M O C! xJ O H > P O ft* a oo H pi cf s R> xC:O u LA VO O e 0) $O M o t> cfl o > ft, O ap o W C CD UU o ft) ft) 1 P CO &c o X5 <73 X* rt Sft>I Ch ft> QZ CO * ajf * * BLUE, SMALL RED, GREEN, ORANGE AKE-002485