Document b5N21G90bkba432XwbGZVyMDo

'2'**r***jf r*yt?*.fTv*"*T* stjsmbit BCZIZn no. i: ASTORIA STATICII consolidated Edison company cf new York, inc, U I5VES PIACE. mt YOHS 3. N. Y. Mechanical Engineering Dacartaent - Mechanical Plant Baalneorln^ Bureau Approved Gordjsn H. Milne Mechanical Engineer Date Avril 26, 1993 TABLE OF CONTESTS A. GEKEBAL........................................................................... 1 3. OFFSSATWO CONDITIONS............................................... k C. ncsTcw -...................-................................................ 6 S. KLBCTHICAL EQUIPMENT ........................................... 22 3. FKSFOSAL DATA...................................................... 25 ?. 37ALUATI0R ...................................................... 27 G. FESFOmANCE.......................................................... 30 2. GUARANTEES ............................................................... 33 I. ACCEPTANCE TESTS 33 A - G53Z3AL 1. Pureoee and. latent -She Contractor shall furnish, deliver end erect one (1) steam generating unit,..complete, including furnace, boiler, superheater, reheater, economizer, air heater, flues and ducts, fuel preparation, transporting and burning equipment, insulation, integral supporting steel and boiler plant accessories as hereinafter specified; and shall provide all of the necessary superintendence, labor and equipment to place the units in satisfactory opera ting condition. Tiro proposals ore desired. The first vlU cover a steam generating unit vlth the furnace operating at a slight draft. The alternate proposal will cover a steam generating unit vlth the furnace operating under sufficient pressure to permit the elimination of the induced draft fane.* All verse shall be done In accordance vlth the standard "General Conditions" of the Company. > These specifications shall be a part of the contract. 2. Abbreviations A table of abbreviations used throughout this specification is appended hereto. 3. Exceptions to Specifications It is not Intended to specify designs vhich depart frem the Contractor's standards, provided the latter are the equivalent of the specific provisions made herein. Where the Contractor does not vlsh to meet the provisions of these specifications, he shall submit vlth his proposal a "Statement of Exceptions" covering t&e points of variation betveen his proposal and these specifications, together vlth the reasons therefor. If there is any inconsistency betveen the design data specified herein and the required performance, the Contractor should take exception to it in his "Statement of Exceptions". * For me pressurized boiler, the necessary observation of the interior shall be possible through glass or other transparent material. Means shall be provided to iceep the glass clean and the parts free of ash or slag. If the ~lass is a part of a door, the door shall be interlocked vlth aspirating air nozzles to preclude blov-back. -pec. No. MP--977 4. Material Handling cod Sits Conditions "Tile equipment herein specified 3hnll be erected on property of the Consolidated--3iiaon Company of New York, Inc. at 20th Avenue and 21st Street, Astoria, IT. Y. Delivery of material may be made directly by truck, or by lighter to the Company's dock at the property, or to the Harold Avenue Yard of the Long Island Railroad and from that point to the Astoria Station by truck. The Contractor vi11 note that Astoria is located outside the lighterage limit. No field vork shall be started by the Contractor unless he is advised to do so in writing or by an authorized representative in the field. The Contractor shall so carry on his work that it shall at no time interfere with regular station operation outside of the area of his vork. Cooperation between the Contractor and the Company is necessary in this con nection. * The Contractor shall protect his equipment against damage during. transportation and storage. The Company will furnish sources of electric power for the erec tion of the equipment called for in these specifications. Others will moke electrical connections to the Contractor's erecting equipment and will install, maintain and remove all temporary lighting required. Service voltages available to the Contractor for operation of electric power-driven equipment and electric lighting during his erection work, will be 208/320 volts, 60-cycles, 3-phase, 4-wire for 208-volt Bupply to motors, and 120 voIts-for lighting and electrically-driven hand tools. 5. Shoo and Field Inspection Free access shall be allowed the Company's representative to the Contractor's Sub-contractor's shops, and to the work in the field. The Contractor shall keep the Company advised at all times re garding the progress of the work In shops and field. The Company reserves the right to inspect any material at any reasonable time. If tr.e speci^fiJcations cr drawings, cr as Company'9 instructions , cr an" law cr ordinance, cr any public or other autncrity having jurisdiction, require any..of. the worh to be specially inspected, tasted and approved, the Con tractor shall give the Company due and timely notice of readiness for such in spection. Failure to give such notice will place the burden of uncovering and removing the work by the Contractor, if so required by the Company. All materials cr worse rejected by the Company as not in accord ance with the drawing and specifications, shall be removed immediately by the Contractor at hie own expense, and replaced with other materials or work in ac cordance with the specifications. The fact that any material or workmanship has been approved by the Company shall not release the Contractor from the responsibility of making good any defects developing after such approval. With the boiler, the Contractor must submit a certificate of a Job inspection in accordance with paragraphs P-331 to P-33^ inclusive of the latest A.S.M.3. Code, Power Boilers. In cases where others are furnishing equipment such as soot blowerB, piping, valves and fitting to the Contractor, the Company shall have the right to have a representative witness hydrostatic and operating tests before such equip ment is shipped from the Subcontractor's shop. In the event the Company waives the requirement that test shall be conducted In the presence of its representative, the Contractor shall conduct such tests and send the Company two (2) copies of a report certifying the success ful passing of those tests. 5. COITERACTOR'S 'BBHWITOS Within three months after the contract has been swarded the Contractor shall submit for the Company's approval six (6) blueprints of general outline drawings covering the major components of equipment which he is furnishing and their loadings, which will permit the Company to start design of the supporting steel. As soon thereafter as possible the Contractor shall submit for the Company's approval, six (6) blueprints of all detailed drawings and electrical diagrams necessary to completely illustrate the design, construction physical location and size of the-equipment and material he is furnishing. When a drawing is approved or approved with comments by the irg i3 approved with comnenas by one Company, zne Contractor shall revise the erasing as required ri transmit to the Company 3ix (o) blueprints of the reviced tracing. This revised drawing will then be consented on or approved by the Ccnpany as the case say be. After a drawing is approved, the Contractor shall furnish one (l) positive brcwnline Van Dyke print of the approved tracing. The Centany will then print free, these Van Dykes all necessary copies for its dis tribution and records. The Van Dyke prints shall be rolled, not folded, for transsi ttal, Fabrication shall not be begun by the Contractor on any piece of equipnent until receipt froa the Company of an approved print or drawing for the same, unless the Contractor is otherwise advised in writing. An approval of drawings by the Coupany, however, shall not release the Contractor from any responsibility for errors thereon, or from any of his . obligations under the contract. , 3 - OPERATHC CONDITIONS 1. Capacity The steam generating unit shall be capable of producing 1,200,000 lbs of steam per hour continuously delivered to the turbine throttle valve at a pressure of 1800 psig and a temperature of 3000 F when burning any of the fuels listed herein. The unit shall also be capable of being shut down and started up daily. The pressure drop froa superheater outlet to turbine inlet shall be aastned to bs 50 psl. The data tabulated below give# approximate expected conditions at the raheater at various loads: Boiler Output - M #/hr Reheat Date psia out of turbine 1200 509 1050 445 790 342 Temp. F " psia reentering turbine Tamp. F Reheater Stem Flow M/hr 683 451 1000 1117 751 395 1000 990 635 304 1000 740 -5 Spec. No. MP-^977 2. Temperature .Control A `superheat temperature of 1000F plus or minus 1QF is to be maintained, at the high pressure turbine inlet valve at all steam flows between the maxima continuous flow of 1,20C,CCO lbs per hour and 65% cf this load, i.e. 700,000 lbs per hour, when using Bunker C oil as the fuel. A reheat temperature of 10C0 F plus or minus 10 F is to be main tained at the low pressure turbine inlet valve at all s teem flows between the maximum continuous flow of 1,120,000 lbs per hour and 75% of this load; i.e. 3to,000 lbs per hour, when using Bunker C oil as the fuel. At least as great a range of superheat and reheat control shall be maintained within the same limits when either coal or natural gas is used as the fuel. The superheat and reheat temperature control equipment shall be I furnished by the Contractor. Ihe Contractor shall state the size and power consumption of any power operated temperature control equipment. Ihe controls shall be so designed that the controlled temperature may be set or changed remotely, and the controlling median shall be designed for a maximum of flexibility. Interconnecting control piping and wiring between the teoperatura measuring element and the control board and between the control board and the positioning or actuating devices will be provided by the Company. 3. Feedwater The temperature of feedwater entering the economizer will be ae follows: 462 F at 1.200,000 lbs per hour 450 F at 1.050,000 *' ft ft 424 F at 790,000 " IV f! The feedwater Is expected to be condensate. Ihe soluble solids concentration of the water entering the boiler is expected normally to be below 10 ppm. i. ?U91 -- It is'the Company's iesire z'r.s.z this unit b designed to burn, coals of as `vide a variety cf characteristics as is practicable vith a minimum, cf trouble due to deposits on heading surfaces. Appended to this specification 13 a tabulation cf analyses of coals, illustrating the range of coal characteris tics, vhich the Company intends to bum in this unit. The characteristics of the teBt coal are given under Section G-rerfomance. The Company desires to burn oils of the analysis given on Page 35 of this specification. The Company desires to burn Natural Gas of the analysis given on Page 36 cf this specification. It is the Company's desire to be able to obtain the full continu ous capacity out of this unit vnen burning any of the fuels referred to aboveI! C - DESIGN AND 30UNSABI5S OF CONSTRUCTION WORK ' 1. General The furnace shall be of the dry bottcm type. The bottcm shall be so designed as to foxm a vaxer vail ash hopper integral vith the furnace, thus obviating the need for a separate refractory bottcm hopper. This hopper should be protected from radiant heat either by a narxuv throat or a shaded throat. The hopper shall include an inclined ash gate, hydraulically operated. That portion of the hopper subjected to sliding action of the ash shall be adequately protected against erosion. Ihe Hopper shall have 800 cubic feet of usable bottcm ash storage capacity. The boiler shall be so designed and surfaces so proportioned that a minimum of cleaning and maintenance vill result from the type of operation outlined herein. The steam generating unit shall be arranged to facilitate operation and maintenance. Further, the design and arrangement of the furnace and burners, and the circulating rates in the vail tubes, should be such that a concentration of burning in proximity to the vail tubes is avoided. 3pec. No. MP-*s577 The Company desires a design having the following limits on furnace heat absorption*, vhen operating at 1,200.COO lbs per hour steam flew, with any of the fuela_ listed herein: The heat absorption per square foot of projected furnace area shall be below 50,000 Etu per hour. Local heat absorption at any point shall be less than 65,000 Btu per hour per square foot. The Contractor shall state his expected average heat absorption and his expected local heat absorption. The projected furnace area used above shall be limited by the centerline of the hopper throat and shall include the projected tube area of the first row of screen tubes ahead of the superheater. The absorption rates noted above shall be measured within one week following an acid wash. The method of determination of the absorption rates shall be mutually agreed on before the contract is signed. I The Company's Intent in the above section is to obtain a furnace with a local heat absorption rate low enough to avoid the burning or blistering of wall tubes and the avoidance of solids build-up due to excessive temperature on the water side of the furnace tube vails. Attached to this specification is our Proposition Drawing No. lU27h, shoving the location of the proposed unit. HIDE-OUT His Company desires a guarantee that the steam generating unit will be substantially free frem hide-out of phosphate or sulphate vhen operating with concentratioms within the standards prescribed by the American Boiler and Affiliated Im|ustries Standards Camittee and vhen operating on sodium equilibrium. For the purpose of this Specification hide-out is defined as the Increase In concentration of phosphate or sulphate or both in boiler water vhen the boiler is taken off the line, as described in the "Behavior of Highly Con centrated Boiler Water" by Kaufman, Marcy and Trantman, Proceedings of Sixth Annual Water Conference, Engineers1 Society of Western Pennsylvania,October 22- 23, 19^5. This boiler shall be ccnsidersd substantially free from hide-out when such increase in concentration does not exceed ID ppm of either Na3 POl*. or Na 2 SOjj. Phosphate and sulphate shall be determined by Consolidated Edison Company procedures. 2. Accessibility All parts of the steam generating unit shall be properly accessible for inspection and maintenance. A minimum vertical clearance of 12" shall be maintained between economizer, superheater, or rsheater supports and the adjacent tube surfaces. 3. Air Heaters LJungstrcm air preheaters are preferred by the Company. However, if the bidder desires, he may submit an alternate bid covering other types of air heaters. * The air heaters shall be supplied complete, including air and gas inlet and outlet flanges, cleaning devices as needed, supports, insulation and motors. Air heaters shall be of such design and materials as to operate with a minimum amount of fouling and corrosion. An air by-pass, suitably dampsred, shall be provided for use during starting up and low load periods. The cold elements shall be basketed for ease in removal, aid a spare set of basketed elements fur nished with each air hsater. Basketed elements, radial and circumferential seals shall be of nan-oorroslvw materials. The layout of tbs heaters shall be such that the cold air Inlet shall be at the bottom of the air heater. All bearings shall be air cooled. Sebessary instrument and draft connections shall be provided. The Contractor shall design his ducts and flues to Insure an even distribution of flow through the air heater. U. Air Vents Adequate air vents with valves shall ba provided on all parts of the generating unit at which air Is likely to he pocketed during filling. The top drum vents shall be 2 l/2" to allow rapid filling or emptying of the boiler. 2pec. :io. M?-1*977 5. 3 afties' The Contractor shall furnish and install any necessary baffles, installed so as to be permanently tight. The design of all baffles Bhall take into consideration ease of replacement. 6. Blowdown and Drains All mud draas and lever water vail headers shall be provided vith 2 1/2" drains in tandem, vith a 1" valve and orifice by-passing the outboard 2 l/2" drain valve to be used for controlled mass blov-off. These combination, drain and blov-off connections should be located to afford ample sludge cleaning facilities at all points of settlement and also should be located to afford complete drainage. A minimum of 1 connection per header is required if the header or header system is less than 20 feet in length and 2 connections per header, or header system are required If greater than 20 feet in length. Also teed off be tween the two 2 l/2w drain valves will be a 2 l/2n valve for 'use in acid wash ing ths bailer. The boiler shall be provided vith a continuous blowdown system complete vith Internal collection header. All other drainable portions of the unit such as ths superheater, reheater and economizer shall have adequate drain connections with 2 l/2" valves in tandem. 7. Casings The Company desires boilers with & mlnimm of steel easing. In effect this means a cap on the top of the unit and a partial sap over the bettot whenever the bottom is readily accessible. TJncssed boilers shall consist of the required thicknesses of refxsetery and Insulating materials covered with galvanized expanded metal lath cr wire mean, as the physical construction dictates, and rlostered with a finish coat of suitable hard finish cement applied in two layers. Finish coats to be grooved into panels for full depth and to present a smooth, even, uniform surface. Doors, soot blower and other openings shall be fastened to the metal parts of the unit. Exterior corners shall be metal reinforced against breakage and interior corners reinforced against cracking. Expanded metal and metal lath shall be tied at close Intervals to the metal parts of the unit and the entire enclosure designed to accommodate expansion and reduce air leakage to a minimum. All connections to which the Company connects shall project a suitable distance through the casings with the proper seals and provision made for movement by expansion. Such connections to the boilaxs and furnaces -as are required for the installation of Instruments or -other measuring devices shall be I supplied by the Contractor. These, in general, will consist of a pipe extending from the inner face of the wall to a point approximately 6 inches, from the outside face of the casing. These connections shall be designed and located in accordance with drawings submitted by the Company. 5. Cembustion Control Complete operating characteristics of each of the combusion con* trolling points shall be described to the Company by the successful bidder. The Caspeny will ins tall automatic combustion control equipment furnished, by ofhew. .9 Draor. - Boiler drums shall be fusion welded in accordance with the latest A.S.M.E. Code, Bower Boilers. Draa shall be equipped with an access manhole on each end, and shall be equipped with suitable nozzles, installed as required by the latest A.S.M.E. Code, Bower Boilers. The number of nozzloa shall be determined later, but shall include the following: Spec. :7c. MP-1*977 __ .Steam outlets, safety valves, feed, one continuous blow-down, four nozzles for two gage glasses, soot blower, one chemical feed, one steam gage, two vents, two for water sampling, two for water level recorder, and regulator, two for remote level indicator and two spares. Tandem valves shall be furnished where applicable. In addition to the foregoing, the Contractor shall furnish drum hangers, a pressure gage, safety valves, and two gage glasses per steaming drum complete with illuminators, shut-off valves, and operating chains and drain valves. Die interiors of the drums shall be reasonably clean. Chemical cleaning by washing with acid is contemplated prior to placing the unit on the line. Caskets shall be of such material as to withstand the cleaning agents. The drum internals shall be designed to accommodate sudden load * changes without carryover. ID. Ducts and Flues The Contractor shall furnish; Air ducts between air heatere and burners, including cold air by-passes with dampers around air heaters and dampers at air heater inlets, primary air-take-off for mills, common duct for mill temper ing air supply,hangers, seal welding, insulation, approved screwed cap or blind flange instrument connections and dampers. Gas fines between economizer outlet and air heater inlets, including hangers, seal welding, insulation dampers, and approved sap or blind flange instrument connections. All duet and flue work shall be gas and air-tight and shall he welded throughout with the exception of Joints provided at other pieces of equipment furnished by either the Contractor or the Company. Duet and flue plate shall be at least l/k inch thick. Expansion shun be properly taken cars of and no excessive loads shall be placed on connection flanges* Anchors shall be suitably designed and Installed to eliminate such reaction where advisable. -12- Spac. Ho. MP-i*9T7 __ .-Such-parts ag are subject to erosion and corrosion shall be properly designed to withstand these actions and shall be so designed as to be conveniently and safely maintained. Where ducts or flues are subject to vaah water collection, drain basins and valved drains shall be provided. Ducts or flues shall be pitched to this drain basin. All ducts and flues shall be properly insulated by the use of blanket and/or plastic insulation with no exposed stiffeners. A reasonable number of test, meter and control openings will be requested by the Company and will in general consist of pads four inches square and one inch thick, welded to the ducts; these, in turn, drilled, tapped plugged for a one inch pipe connection. 11. Dust Handling Equipment The dust collected in the steam generator parts shall be. brought to convenient points, for disposal by the Company. Where possible, self-draining hoppers shall be provided, and in case the hopper is not self-draining, it shell be provided with seme suitable device with drive such as shaker, vibrator, screw conveyor, etc. Access door* shall be provided into all hoppexe. If shakers or vibrators are motor driven, the driving mechanism shall be designed to prevent transmission of shook! directly to the motor shaft. Any device which is directly driven by a motor shall incorporate means to prevent thrust on the motor shaft. 12. Tael Preparation and Burning Equipment Coal a. The Contractor shall furnish coal feeding, preparation, trans porting end burning equipment, complete, starting at the raw cool inlet flange of the feeder and including raw coal feeders, coal pipe to mills, mills, primary air fans, cool piping, burner*, burner controls, bedplates, da&pexs and controls, approved screw cap or blind flange instrument and control connections, hanger* ora. insulation. Mill md sill fan motors vill is furnished 07 the Company without bedplates but erected by the Contractor. The Contractor shall furnish Fast flexible couplings or equivalent as approved by Company with guards completely, enclosing the shaft and coupling between the motors and the drive equipment. b. Coal feeders shall be assigned in a manner to handle high moisture content coal without sticking and also to minimize any undesired re* tardaticn of coal flow. Coal inlet connections shall be of* generous size. Provision shall be made to prevent damage to the feeder by foreign objects and the feeder shall be easily accessible and replaceable. c. Coal piping between feeders and mills will be os short and as near to vertical as design conditions permit. Coal piping to the bursars shall be designed so as to minimize any coal settlement at pockets, and vherbI necessary shall have means for inspection and cleaning. Coal splitters is these lines, if used, shall be easily renewable. Any other parts of the lines at which erosion is expected shall be designed in a manner intended to reduce the cost of maintenance. The arrangement of the piping shall be such that stable furnace conditions ore maintained at all load end mill combinations. d. The mills shall be of sufficient size to properly prepare the coals listed herein required for the continuous production of 1,200,000 lbs of steam per hour at 1000 7 and lSOO palg at the turbine inlet. The Contractor shall stats in his proposal what moximm moisture can be handled without loss of boiler load. The Contraetor shall furnish the Company with complete informa tion as to mill characteristics, capacities and loads under all operating condi tions. The design of mills shall contemplate easy removal and replacement of wearing parts. Cool pulverizing *<n* and their primary air fans shall be arranged for direct coupled drive from the drive motors. The Company will not permit any drive arrangement which requires double and drive motors, and will not accept any design in.which the mill and primary air fan drive motors are subjected to a redial load, Christ lead, overhung load, or heat absorption from the primary airmans. The Company contemplates the disposal of sill rejects by neons of a hydraulic sluice. Zhe design of the mill reject system vill he such as to automatically discharge the mill rejects frem each mill into a hopper vith a discharge gate suitable for nnnual opening to a sluice. a. Primary air fans or erhausters shall be designed so that noise nri vibration are minimized. All vearing ports shall be fitted vith veorlng plates, easily replaceable. The design shall provide for easy removal of the impeller. The Contractor shall give the operating characteristics and horse power required of the fans. One fan shall be given a shop test which vill be witnessed by a Company representative. Tempering air to all primary air fans will be taken from a common duet to facilitate air flow measurements. Oil Oil burning equipment, complete, starting at an oil supply point at the burner box, and including a solenoid quick shut off valve, steam atomized oil burners, and necessary burner box construction. Gas Gas burning equipment, complete, storting at a gas supply point at the burner box and including a solenoid quick shut off valves, gas burners, and necessary burner box construction. Ignition Gee fuel ignition system, complete, starting at a gas supply point a* the burner box and including separate gas pilot torches complete with spark plug type ignition, transformers; and solenoid valves for remote manual operation. Tandem, valves aha11 be provided for shut-off, with ataoepherlc vest valve between, interlocked so that the vent valve is open when control valves are shut and vice-versa. The Ignition system should be designed to ignite any of the fuels listed in this specification when using natural gas or when using manufactured Spec. 3c. MP-*9T7 gas of 7<-0 3tu per cubic foot and .7 3.5. os a fuel for the ignition torches. Turners- The burners, burner control and burner piping shall be of a design which will insure stable furnace conditions when burning the fuels listed in this specification and under all operating conditions, and shall be complete with ignition system as described. Firing from each mill 3hali be * symmetrical about the furnace centerline. Parts of the burners requiring re placement shall be designed for ease of removal and Installation. The design sha.11 be such that intimate miring and uniform distribution of fuel and air can be maintained, with avoidance of tube impingement and furnace atmosphere tending ' toward "sulphiding" or other form of water wall corrosion. The design shall be such that continuous full load operation can be obtained when burning any of.the 1 fuels listed in this specification. The dampers for all burners supplied-from one mill shall be capable of operation from one control arm. Fsmote control equipment will be provided by others. The torque and movement of each control aim 3hali be furnished by the Contractor. 13.Guards All moving parts such as coupling shafts, chains, belts, etc., shall be completely protected by suitable metal guards, approved by the Cacrpany. 1H. Insulation In general, the equipment by the Contractor shall be provided with such insulation, furnished and installed by the Contractor, that with an ambient air temperature of 80 F the surface temperature will not exceed 127 F. Where danger from personal contact exists the maxima temperature of the surface shall not exceed 135 F with an ambient air tmaperature of 3D0 F and 5 miles per hour air current. Insulation subject to waiting or injury due to location shall be steel lagged. Pipe insulation shall include expansion Joints in the covering preferably of the sectional type. 3o rosin sized paper or any other flananable t-me r.f shall be used. Asbestos cater shall be used in their place. Lubrication shall be provided at ail points where necessary, and neons for such lubrication snail be provided at accessible locations. Where grease fittings are used, same shall be of the type "Button Head" :Jo. A-1136, mnufactured by the Alemite Corporation. 16. Oil Coolers Where oiling systems are required, the design shall contemplate the use of salt water for cooling with tubes of aluminum bronze, Monel or equal. Tubes will be not less than 5/8" O.D. The coolers shall be rugged in construction and built to withstand the corrosive nature of the water used. Coolers shall be separately mounted. 17. Paint The Contractor will furnish shop paint on all equipment. Field coats of paint will be furnished and applied by the Company. 18. Pining (a) General The main steam piping from the superheater outlet to the turbine inlet and the reheater piping between the reheater and the turbine v be furnished by others. The Contractor shall terminate his work with woldix ends 'at the superheater outlet and at the reheater inlet and outlet. These r.lnals points will be outside the casing and accessible for welding. The ' will be done by others. All piping shall be in accordance with the A.S.M.S Code requirements, including its latest revisions. All safety valve connections shall be flaaGii.. A valves on nozzles shall be welded and shall terminate with welding endi 19. Pressure Goges High pressure gages furnished by the Contractor shal -pec. I*o. MPi i 20. Pressure Paros ~A.11 pressure parts of the generating equipment, including boilers, water walls, superheater, reheater, and economizer, pipe, valves and fittings furnished by the Contractor shall conform in all respects with the latest revi sion of the A.3.M.Z. Boiler Construction Code, the Industrial Code of the State of "ew Yoric, together with regulations of the Department of Housing and Buildings of the City cf New Yorfc. All .internal surfaces of pressure parts shall be reason ably free from mill scale. All external surfaces shall be reasonably free of scale and other imperfections. 21. Sampling Each steam, water and mud dnm shall be fitted with two sampling connections and tandem valves at least 1 inch in size from which representative samples of boiler water can be obtained. Each sample point shall be internally piped to the middle of a suitable collection manifold, drilled with boles no smaller than l/8 inch in diameter. These holes are to be arranged to obtain an average sample of water throughout most of each drum length. Means shall be provided for obtaining samples of saturated steam leaving the boiler of at least 6 points across the width-of the boiler. Each sampling connection shall be at least 3/U" in size and shall be provided with tandem valves. The sampling tubes shall be designed so as to be easily removed add replaced. One 1" sampling connection with tandem valve is required at the economizer Inlet. At least one 1" sampling connection with tandem valves is required at the superheater outlet. One 1" sampling connection with tandem valves Is required at the reheater inlet and one 1" sampling connection with tandem valvee Is required at the reheater outlet. Ho Mr i . 22. Esttirj; _7he Contractor shall furnish and install all masonry which nay be required to complete the entire apparatus. The design shall omit refractory material unless it is impracti cable to avoid its use. All masonry must be designed with a view to reducing to a minima the cost of normal maintenance. The Contractor shall install a sufficient number of single doors to permit convenient access to all parts of each boiler, superheater, reheater, economizer, water walls and furnace required for Inspection, cleaning or removal and replacement of tubes. All doors shall be lined with a refractory material not less than two inches thiclc. This refractory shall be approved by the Company. Forged steel clamps or latches shall be furnished with each door which will permit closing the door tightly enough to seal against air leakage into the boiler. All access doors except those in the furnace shall be capable of opening from either inside or outside. All doors shall be air cooled.- The Contractor shall provide a sufficient number of observation doors; the number, type and location of these doors to be agreed upon later. 23. Soot Blowers A complete soot blowing system necessary for the adequate clean ing of the generating units shall be provided by the Contractor as hereinafter outlined. Hetracting type blowers shall be used wherever possible. Tbs complete blowing system will be designed to use either air or sterna as tJis bloving rnedim. The changeover to either shall be capable of accomplishment by a single valving operation. The Contractor shall state the necessary quantities and pressures of air and sterna required for blowing and control for both air and steam blowing. In connection with steam blowing, the Contractor shall furnish a complete system from drum to blower including supports, piping, valves, pressure reducing station, safety-valve, control equipment, hangers and insulation. Should 3pec. llo. MP-1577 the contractor feei that additional soct bloving units nay be required after the original installation (but net including the furnace), the design of piping, casing, etc. shall contemplate these additions. The Contractor's vorfc on the air bloving system vill stop with a tee in the line to the blower at a point suitable for the introduction of the air. The air compressors and piping to the tee vill be furnished by others. All soot bloving shall be completely automatic, controlled by sequence from a single control panel, and shall be air actuated. The control panel shall Include lights on other devices to indicate the blower operation. It shall also include a flew meter, steam pressure gage, air pressure gage, and the necessary alarms to indicate malfunctioning of the equipment. The Company vill supply air and electric power to one point, at the control panel. The Contractor shall furnish and erect all vlring and piping at the control panel and all control and power piping and vlring to the bloving units. The system 3hall be designed to permit individual blowers to be by-passed during the bloving cycle. All soot blover drains shall be brought to a single point by the Contractor. The Company vlU furnish and Install piping from this point to point of disposal. Suitable orifices, solenoid or air operated valves, and traps shall be furnished and installed by the Contractor to provide for mini mum loss of steam or air. 24. St--1 The Contractor vill furnish all supporting members including castings, lugs', hangars and structural supports which are primarily parts of the steam generating equipment. The Company will furnish in place all building steel and structural supports not part of the steam generating equipment. In general, all supports at boiler hanger level, framing at Intermediate levels to support sidewalls, And framing to support furnace bottom if come is not hung from side walls , will be classed as building steel. The Contractor shall detail all this boiler supporting steel; the Caapany will purchase and erect some. ec. :io. M?--9U iZ,. Sucerr.gater. P.sheater and Sccr.sr.i23r ~~Zach superheater, reheater and economizer shall be cleanable vhile in operation and shall be baffled and designed to obtain proper heat distribution. They shall be accessible for element replacement. The reheater shall be of the convection type. Necessary instrument connections with valves shall be supplied. The superheater shall include the necessary safety valves and an extra safety valve with a gate valve under it to be used in lieu of a power controlled safety valve. The reheater shall include the necessary safety valves at its inlet outlet. The economizer shall include a stop valve and non-return valve. 26. Tools * One (1) complete set of new tube expanding equipment, together - with the necessary gear boxes, special pins, complete are to be furnished at the conclusion of erection under these specifications. A complete new set of any other special tools required for proper maintenance of the generating unit shall be furnished by the Contractor at the conclusion of erection. The Contractor shall marie each tool and furnish the Company with information show ing where each tool is used. 27. Tubing Tubing shall be of proper materials to conform to the A.S.M.E. Boiler Cods for tbs service required. Tubing should be as scale-free as best mill practice will permit. Tube ends shall be counterbored, reamed, or otherwise finished to insure concentricity and remove all uneven surface conditions to facilitate inspection and rolling. 2S. Valves It is the intent of these specifications that the entire generating unit, in so far as pressure parts axe concerned, shall be furnished and erected op -z ar.i including tne stop valves cr, all ccnneccicr.s. Tie 3uperhsater and reheater outlets~are not included in the above statement andare covered elsewhere In this specification. All gate, globe and check valves shall be in accordance with the Conran;''3 Specifications Ho MP-3502 latest revision with welding ends. All Scot Slower valves shall be flanged. All valves shall conform to the requirements of tho A.S.M.E. 3oiler Code for the steam and water conditions applying for this installation. 29. Water Level Control and Metering Souirment The design of the steam generating unit shall be such that aster level can be satisfactorily controlled by hand as well as with automatic regulation. The Contractor shall furnish a complete feed water control system to regulate the feed water to the boiler in response to water level, water flow and steam flow charges including steam flow, air flow and steam pressure recorder, water level recorder, feed water flow and feed water pressure recorder, flow nozzles and accessories (except piping and valves) necessary to provide automatic, local hand and remote manual operation. Interconnecting piping and valves will "be furnished and erected by the Company. The Contractor shall provide the feed water control valve and valve positioner. 30. Water Walls Water walls in so far as practically possible shall be such as to exclude the use of any refractory walls. Vibration of the walls shall be minimized. Observation-doors shall be provided in sufficient quantity and at locations to enable suitable inspection while the generating units are in operation. Openings shall be provided in the roof of the furnace to permit the support of internal rigging. All water wall coverings shall be designed to permit convenient removal and replacement of tubes. Headers shall all be arranged so that each and every tube may be properly removed, and properly replaced. Gas -tight seals shall be provided at such points where water valla meet one another and Mure wall tubes --s ruusiie tile furnace to meet the headers. Tube spacing 3hall be such that there will be no-erosion of the vall3 by slag. Tube rolling holes shall be closed vitl: either rolled or welded caps. Gasketed master handholes shall be installed at the ends of each header and on each side of header division plates. The Contractor should give consideration to a wider gasket seat than has been custom arily U3ed in an attempt to reduce failures at this point. Any design which offers a solution to the problem cf handhole gasket leakage will be given preference by the Ccapany. ^l.Test Connections The Contractor shall provide all pressure connections that cay be necessary to check equipment performance, up to and including suitable shutoff valve3. D. ELECTRICAL EQUIPMENT ' 1. General All wiring and connections external to the equipment furnished under these specifications will be provided by the Company. The Company will provide all switching, control and protection devices for .motors which ars not an inherent part of automatic regulating or control equipment furnished by the Contractor. All motors shall conform to ASA Standard C-53-2943 and accessory electrical equipment shall conform to the latest applicable AXIS, ASA and HBMA standards. All accessory equipment containing electrical circuits and de- Tices shall be constructed so that all electrical features will be enclosed within N2MA type 4 water-tight housings. The housings shall be provided with rigid conduit fittings threaded for attaching 3/4" rigid threaded metal conduits carrying the external circuits. Control panels such as for soot blower*, reheat, etc. shall be furnished completely assembled, piped, and wired, and arranged to provide free 23" Spec. :<o. MP-^77 accessibility for maintenance, testing, and replacements. All pipe and vire terminations shall he permanently identified by stamped, slip-proof, metal -ars adjacent to the terminals. All vires shall terminate* with cup washers and lock nuts, or equivalent means, on States Company or equal, sliding link type terminal blocks haring marking strips and covers. Terminal blocks shall be selected to provide at least 13% spare terminal positions, and they shall be located as determined later by the Company. Wiring shall be not smaller than #12 AWG stranded single conductor Sockbestos 600 volt class asbestos covered varnished cambric insulated switchboard vire, or approved equivalent. The design of these panels shall be coordinated, as required by the Company, to suit the requirements for Installing them in centralized boiler control boards which the Company will provide. 2. Service Voltages I Service voltages upon which the electrical equipment shall be de signed to operate are as follovB: (a) khO volts 60 pycles 3 phase vye connected, grounded neutral system for all motors, 1/6 hp and larger, except valve motors. (b) 120 volts 60 cycles 1 phase with one leg grounded for re corder motors, lighting, boiler autaaatic regulating de vices , and boiler electric ignition equipment. 3. Soiled33--trie legation Equipment Sash igniter shall be of the high tension spark ignition type with one side grounded, and shall Inc lade all nseesaary equipment except the high voltage ignition cable which the Company will provide. All electrical equipment and connections outside the boiler casing shall be protected by NSMA. type h vater-tight enclosures with threaded entrances for metal conduit cosneo* . tions. Hie ignition transferrer shall be 60 cycle single phase of ample capacity and proper design to withstand being energized continuously without injury. The spark plug shall be constructed of a ceramic or similar material which will withstand the temperature inside the boiler. A straight solid rugged conductor, firmly held by insulators, shall be used for the connection from the spark gap to a terminal outside the boiler casing when the Company's high -voltage cable will be attached. I*. Electrically Operated Valves Motors and control equipment for electrically operated valves shall conform to Section F of the Company's specification MP-3902, latest n- ` vision, with current characteristics as follows: * The power supply for valve motors will be 208 volts, 60 cycles, 3 phase; for the control circuits, including solenoids, 208 volts, 60 cycles*, single phase; voltage range for all equipment l80 to 215 volts. 5. Instruments All indicating and recording instruments which have a 120 volt 60 cycle supply circuit shall be equipped with fusee and cut-off switch inside the case in the supply circuit. Internal lighting for Instrument charts and scales 3hall be fluorescent type with "1*500 white" tubes. Recorder mechanisms shall be driven by Warren, or equal, self- starting synchronous type motors. Circular chart recorders shall be for 21* hour charts. Strip chart recorders shall be equipped with an automatic chart reroll device drlvon-by a metal coiled spring type belt frem the synchronous motor drive mechanism. In all reexoders which employ a horizontal "writing table" the record shall be visible Immediately as it is traced. 6. Other Motors All other motors not included in above items 1* and 5 shall be totally enclosed (or totally enclosed fan-cooled) dust-tight construction squirrel cage indue cion, line stare-lev starting current type with water-tight terminal boxes having threaded' conduit entrances. Air preheater drive motors shall be silicone insulated 75C rise, and all other motors shall be Class 5 Insulated 55C rise. All motors shall be continuous rated. Sleeve bearings are preferred on motors frem 1 hp to 5 hp inclusive. Sleeve bearings are required on motors larger than 5 hp. In all cases bearing construction shall be such as to prevent entry of dust and loss of lubricant. A drain plug shall be provided in the bearing housing so the bear ing well can be flushed out and completely drained. In all cases the motor shall develop, at rated voltage, locked rotor torque not less than 125$ of the torque required at the motor shaft to start the driven machine frem standstill under the maximum starting load to which the motor can be subjected, and bring it up to speed promptly. * The rated horsepower of each motor shall be^'not less than the maximum horsepower required, at the motor shaft, to drive the fully loaded machine. S - ?aOPOSAL DATA 1. Drawings The Contractor shall submit with his proposal five (5) seta of general outline prints shoving the approximate dimensions and the space required for the equipment he proposea to furnish. These prints should be complete enough to give the Company a fair conception of the proposed equipment and will include am least the following: (a) ' General arrangement of the equipment in the space available. (b) General arrangement of croes-eecticEBat important levels. (c) Detail cross-sections through main pieces of equipment and such portions of design as are featured in the proposal under trade-marked nones. (d) Loading diagrams of main pieces of equipment. (e) Typical cross-sections through all heating surfaces show ing tube spacings, seals, baffles, expansion Joints, refractory, insulation and casings. (f) Schematic arrangements indicating locations of soot blowers, lancing wnd poke hole doors, and access doors. 2. Description -or -- Tie proposal shall contain sufficient descriptive natter re garding the design end operation to give the Company on adequate conception of the proposed equipment. Where any exceptions are made a "Statement of Perceptions" ae described under A-3 - 2XCZPTI0US TO SPECn'ICAIIONS must he included. Tie Contractor shall also Include: (a) Separate prices on each type of soot blower, vhich prices the Contractor would deduct in event of cancellation of specific soot blowers by the Company. (b) ASTM-A3ffi Specification number for materials proposed for pressure parts. (c) The speed of response of the holler to load changes, and the rate of load change without carryover In excess of that guaranteed. (d) The loeds at which the boiler and water walls may be blown intermittently. (s) The drat design pressure. (f) The Contractor's proposal shall contain, for all motordriven machines or devices, exclusive of motor-driven recorders: (1) List of machines by none or function. (2) Maxima torque in lbs-ft at the motor shaft required to start the driven machine or device from standstill under the maxima starting load to which the motor can be subjected. (3) Maxima horsepower required at the motor shaft to drive the fully loaded machine or device. 3. ?i*etncal Proposal Data The propoeol shall be In accordance with this specification and it shall contain a complete description of all electrical equipment, including the following specifie data: (a) Boiler Ignition Equipment 1. List of all items stating quantity and function. 2. Nome of manufacturer, type, rating, catalog number St complete description. 3. Description of interlockdzig -C I - Spec. No. MP-U977 (b) Zlsctri~,': * CTerated Steam and *Tater Valves Complete information and data as required by Specification MP-02. (c) Recorders 1. Name of manufacturer, type and complete rating data. 2. Description of construction and operation. 3. Performance guarantees of accuracy and sensitivity. It. Recorder motor make, type and complete rating. 5. Description of internal lighting. (d) Up Volt Motors 1. Nome of manufacturer, type, rated hp, voltage, fre quency, phase, speed and temperature rise guarantee. 1 2. Full load current and rpm. 3. Guaranteed minimum values of pover factor and true efficiency at l/2, 3/4 and full load. 4. Loched rotor torque, current and pover factor at rated voltage. 5. Breakdown torque at rated voltage. # 6. Class of winding insulation. 7. Type of bearing*. 8. Dimensioned outline drawing. F - aVATIWJflriJ The' following factors will be used In the evaluation af the bids: 1. Hie general design and its relation to the intent and puxpoee outlined in these specifications. 2. The bid price. 3. The efficiency cf Ufl -no capitalized value of each - percent of sffici.ency when cperating on the test coal or - .Bunker "C" oil, i,3 as follows -.&L83,COO at 1,050,000 lbs. per hour steam flow .$41,000 at 790,000 lbs. per hour steam flow 4. The reheater pressure drop. $9,000 is the capitalized value of each pound of pressure drop in the reheater at 1,050,000 Ibe per hour steam flow at the superheater outlet. 5. The auxiliary equipment power charges. The capitalized value of auxiliary power when operating with a steam flow of 1,050,000 lbs. per hour at the superheater outlet is as follows: $270 per pound of pressure drop in the superheater and economizer. $35,500 per inch of draft loss. $18,700 per inch of air pressure loss. $500 per horsepower input to all equipment furnished by the Contractor. G - PSHPOfMAHUE < The Contractor shall state in his proposal the. expected per* formance at 1,050,000 lbs per hour and 79,000 lbs. per hour steam flow for coal, oil, and gas. The successful bidder shall also furnish performance data at 510,000 lbs. per hour at a later date. The Contractor shall base his coal performance and guarantees on 14.8 percent C02 at the economizer outlet and on the use of a Fairmont coal haring the following characteristics: Moisture, byvt. Volatile Matter, $ by vt Fixed Carton, $ by vt. Ash, % by vt. Sulphur, by vt. Btu per Found Btu per Found, as free Fusibility of Ash Initial Def. Temp. Softening Temp. Fluid Temp. Iron Oxide, by vt. Hardgrcve Grindability . Proximate Analysis As Received 4.1 37.8 50.1 8.0 3.16 13,253 15,071 52 . 39.4 52.3 8.3 3.29 13,820 1896 F 2056 F 2272 F 36.5 64 -29- Vltiaate Analysis Carbon Czygen Eydiogen Ash Sulphur Nitrogen 7^.7 7.23 5.23 8.3 3.29 1.25 Spec. Ho. MP j.0" cpec. lio. X? "**977 For the foregoing rvo (2) steam outputs, the following performance figures shall he stated in the proposal: 1. + Steam flow......................................................................... 1,000 Lbs per hr i. Heat absorbed by unit...................................................... 1,000 Kb per hr 3. Fuel as fired ................................................................. 1,000 Lbs per hr k. Weight of primary air (from secondary)........................ 1,000 Lbs per hr p. Weight of primary air (frcm atmosphere).................... 1,000 Lbs per hr 6. Weight of secondary air out of forced draft fan ................................................................... 1.000 Lbs per hr 7. Weight of secondary air out of air heater................. 1,000 Lbs per hr 6. Weight of gas entering economizer............................... 1,000 Lbs per hr - 9. C02 is. gas at economizer outlet Per Cent ID. Weight of gas entering airheater................................. 1,000 Lbs per hr I 11. Air leakage into gas Side of airheater..................... 1,000 Lbs. per hr 22. * Air leakage into unit between burners and air heater inlet ..................................................... 1,000 Lb's per hr 13. Weight of gas leaving air heater (including leakage) .................................................... 1,000 Lbs per hr Ik. "Drum pressure.................................................................... Lbs per sq. in. 1~. *Superheater pressure drop '............................................. Lbs per sq. in. 16. "Economizer water pressure drop (not including recirculation) ........................................................ Iis per sq. in. 17. "Total steam temperature ............................................. Deg F 18. Ge~$|mperature - economizerInlet........................... 19. Gam-tovarature - air heaterinlet........................... 20. Gas temperature - ilr heateroutlet........................... (including leakage) 21. Water temperature entering economizer....................... 22. Water temperature leaving economizer....................... Deg F Deg F Deg F given Deg F 23. Air temperature entering airheater ......................... IkO F (given) "-See 3 - GUARANTEES -'1 24. Air temperature leaving air heater ............... 25. Primary air pressure at fan outlet ..... 26. Air draft loss through air heater................ 27. Air draft loss through ducts from heater to burner ........................................................... 28. Secondary air pressure at burners............... 29. *Total air pressure required at inlet of air heater................................................................... 30. Gas draft loss through boiler and superheater 31. Gas draft loss through economizer................... 32. Gas draft loss through air heater................... 33. Gas draft loss through ducts from economizer to air heater inlet......................................... 34. *Total gas draft loss from furnace to air heater outlet.................................................... 35. Power required for coal feeders................... 36. Power required for milling and exhausting . , 37. Power required for air heater drive............... 38. Power required for other equipment furnished by manufacturer.................................................... 39. Power required - total ..................................... -sec M?-*-977 Deg. F In H2 0 II It II I* It II II II tt II I* ft It II n, it S.P. tt ti 11 it tt tt t tt The following temperatures should be indicated for the 1,053,000 Lbs per hour output condition, based an expected equilibrium slag deposits as maintained by the cleaning equipment furnished and when using coal, oil or gas. IjO. Temperature at gas leaving primary furnace.............................. 41. Temperature af gas entering first convection tube bank............... -............................................. ......................... k2. Temperature of gas entering superheater.................................. Deg. F Deg. F Deg. F For the 1,050,000 and 790,000 Lbs per hour output conditions and when burning the test cool the distribution at ash discharged from the unit should be Indicated. Items 43 and 44 should total 100$. * See 2 - GUAEAHTEES Spec No. MP-4977 Psrcent.^ze of total asn discharged, through furnace --bottom (3y weight;............................................................... $ 44. Percentage of total ash leaving boiler with the flue gas (By weight)........................................................... $ 45. Percentage of carbon (by weight) in ash leaving boiler with flue gas....................................................................... $ h6. Maxima dissolved solids content of incoming feed water which can be allowed without impairment of guaranteed performance in Section "E".......................... Ppm The heat balance of the unit 3hall be given, using the same outputs as above. Air conditions shall be assumed to be as follows: Temperature...................... 80 F Humidity............... 60$ The following Items are to be included In the heat balance: 1. Heat input in fuel as fired................................................. 1,000 fe 2. Heat loss due to unconsumed combustible in ash pit............................................................................................ Per Cent 3. Eeat loss due to unopnaumsd cembustibia in flue dust...................................................................................... "" 4. Heat loss due to incomplete combustion of carbon (CO Loss)............................................................................... "" 5. Eeat loss due to dry gasat boiler outlet..................... "" 6. Heat loss due to unconsumed hydrogen and hydro* carbons at boiler outlet................................................. "" 7. Heat lass due to moisture in air and water from combustion of hydrogen........................................................ " " 8. Seat loss due to radiation and unaccounted for shall be assumed to be................................................................... 2.0$ 9. Total losses........................................................................... Per Cent ZD. ^Efficiency of steam generating unit.............................. "w 11. Heat absorbed by steam generating unit....................... 1,000 kB * See H - GUAEAHTEES -33- Spoc. Ho. HP -^9 t t s - GouaurtSasl- The Contractor shall guarantee the performance of the generating units for 1,050,000 lbs per hour and ~90,0GQ lbs per hour steam flow operation as covered by the items under G - PZSIOIMANCE that are marked with an asterisk, and when burning either ooal, oil, or gas. The Contractor shall guarantee the ability of the generating unit to produce a steam output of 1,200,000 lbs per hour continuously. The Contractor shall guarantee, in accordance with the operating conditions stated in these specifications, including the 1,200,000 lbs. per hour output condition, that the saturated steam shall have a maximum solid concentra tion of one ppm when the boiler concentration is equal to 1000 ppm. The moisture content of steam entering the superheater shall be no greater than 1/2 of 1% when the boiler water concentration agrees with that stated above. The Contractor shall specify in his proposal the method of measur ing the solids concentration in the steam. I_^_AC^TAIO^SSK After the steam generating equipment has been placed in operation it shall be tested by the Company in accordance with the latest A.S.M.E. Test Code for Stationary Steam Generating Units, at a time mutually agreed on between Controctoarem*- Company. Tbs basis of heat calculations shall be the 1936 edition of "Thermodynamic Properties of Steam" by Keenan and Keyes. Sr/nbol p C Lb. psi pja Btu KB deg. in. Kv Kwh Hp or bp ntp rpm S.A.S. A.1.3.E. A.S.M.2. A.S.T.M. A.S.A. cu. ft. lbs. ft. - ~-L- 3pec. :io. MP-i^TT A3 3 S 2 7 I A T I 0 IT S Designation Temperature, degrees Fahrenheit Temperature, degrees Centigrade Weight in pounds Pressure, pounds per square inch, gage Ports per million British thermal units 1,000 Btu per hour degrees Inches Kilowatts 1 Kilowatt hours HorsepowerNormal temperature and pressure Revolutions per minute Society of Automotive Engineers American Institute of Electrical Engineers American Society of Mechanical Engineers American Society for Testing Materials American Standards Association Cubic feet Pounds feet Analyst#' of Liquid Fuels Showing Characteristics of Typical Goa Oils, 3unka Oil (Heavy) '* Tor ProT>Q3ed Boiler No. 10 - Astoria Station A.P.I at 60 F Viscosity, Saybolt Universal, at 100 F Furol at 122 F Carton residue, % By Wt Water and sediment, % Four point, F Flash point, F Btu/gal. Bunker "C" 13.0 - ll.5 15 - 330 ID.5 - 13.00 0.30-1.50 -*-65 200 149,000 Ultimate Analysis Carton, by vt Hydrogen Sulphur Nitrogen Ash 86.30 11.30 2 30 0.30 0.10 Distillation I.B.P. F. 360 - 400 f 400 - 500 500-600 600 - 700 Besiduum 482 0.0 1.0 6.8 24.2 68.2 Expected range of characteristics of Oils Gravity, A.P.I at 60 F Specific at 60 7 Light Min. IT Max. 15 0.860 0.876 Heavy Min. Max. 1? 1*3 0.969 0.986-1.052 Viscosity, JMfcolt Univ. at 3227 * Seybolt Furol at .122? Carton Beaidue, $ hy Vt. Water and sediment, $ Four Point, F Btu per gal Sulfur 35 150 0.20 0 0.50 Belov - 30 iU,boo 0.75 1.00 150 300 10.5 0.80 50 149,000 2 20 2.00 100+ 151,000 6 spec. :io. MP-1*977 Data on Batumi Gas For Proposed Boiler No. ID, Astoria Station This natural gas is free Texas and Louisiana Fields. It will contain between 950 and UDO Btu per cubic foot. It will contain les3 than 1 grain of Hydrogen Sulfide per 100 cubic feet. It will contain not more than 9 grains of total Sulfide per IDO cubic feet. The specific gravity will be 0.65. The delivered temperature will be between 0 and 90 F. I