Document wqG1pnr8kdvopx3n7LKmd7mqd

Mr. Robert Mever -2- June 7, 1976 8. Alarms for dust build-up in ducts are not required. 9. The sinter machine outlet damper will be controlled by a draft signal taken from the hoed. The draft connection to the hood should be near the strong gas outlet. 10. The scope of Kaiser's work at the D&L baghouse will consist of: (a) Connecting the ducts from the sinter/charge bin area and the bedding/reclaim area to the baghouse; (b) Partitioning the inlet plenum of the baghouse into two groups of five sections each; (c) Providing a self-standing stack (or stacks) for discharging the north five sections of the baghouse to atmosphere. The size and number of stacks should be as required to maintain draft in the baghouse. The height of the stack (or stacks) will be as required by the appropriate code. The stack supports are to be independent of the baghouse. Provide expansion joints be tween the baghouse and the stack(s). No addi tional loads are to be placed on the baghouse structure. Refer to Ewg KLS-4016 for a stack arrangement which could be adapted to our sit uation. (d) Repair work to the D&L baghouse is not in Kaiser's scope, except that finished construction and seal ing is required at all points where Kaiser enters or exits the baghouse. As mentioned above, the sinter machine outlet damper will be controlled by hood draft and not by 02. However, concern ing the SC2 analyzer, we new believe it would be best to sample the gas stream at the strong gas duct between the sinter machine and the hot gas fan. This is a change from the original idea of sampling at the exit of the cottrell. The SO2 recorder will : still be located on the sinter plant control panel, as originally planned. Very truly your3. BCSsgp cc: EE.H.Haug/W.T. Sweat A. 0. Marsh, Jr. W.R.Xelly R. C. STEWART Project Engineer ASARCO ELP 0009286 Minutes of Meeting ACTION BY Page 3 of Car pullers shall be relocated to clear baghouses. Clarify stair arrangement in control room building. Track arrangement on Dwg. 22914 to agree with civil drawings. Delivery conveyor bents shall-be arranged to clear tracks.. KE KE to check space requirements and economics of round vs. rectangular dust collection ducts in unloading area. Indicate dampers at hopper ducting for constant flow of-..air in two of the three branches. Air pockets and supporting steel around clamshell unloading hoppers to be clarified. Clarify dust control pickup points at head ends of belt feeders. Bedding & Reclaim Area Relocate tripper cross-belt repair platforms towards tail end of tripper conveyors. Delete curtains at reclaim hoppers. Reconcile arrangement of copper concentrate conveyor transfer tower on the various drawings. Check location of takeup of lead concentrate reclaim conveyor. Add ladders and platforms at weigh bucket locations. The tight feeder arrangement will not be changed for the Phase I report, but adequate space around the -weigh buckets shall be provided during the detail design stage. Dwg. No. 22920 - show present elevation of R.R. tracks 9 & 73 and clearance under new copper concentrate conveyor crossing the tracks. Clarify stairs to top of roof near column 9 of reclaim building. Clarify method of dust control at transfer chute between existing and new copper concentrate conveyors. Show blowers at tail ends of tripper conveyors. Sinter Plant -' KE KE will spell out criteria with regard to duct design such as i) dust buildup in ducts, ii) temperature of dues walls, iii) insulating requirements to maintain gas temperaturcor for personnel protection, and ASARCO ELP 0009287 May 26, 1976 ASL-58-KE Mr. Robert Meyer, Project Manager Kaiser Engineers, Inc. 300 Lakeside Drive Oakland, California 94666 EA-26-EP, N.Y. 3777 PLANT 618 ORE HANDLING & SINTER PLANT FILS 8.5 - DESIGN CRITERIA Dear Mr, Meyer: Attached in one print of Drawing 2H-21872 showing details of the 63" venturi for the East Helena gas cleaning plant. Your cost estimate for the insulated duct from the sinter machine to the hot ga3 fan should include a venturi with in strumentation. This run of duct should be fabricated from Corten steel. The coordinates and elevation of the inlet flange of the hot gas fan will be sent to you shortly. The steel which will support the duct will interface at the fan with structural steel being designed by others. For this we will need the re actions of the supports which Kaiser is designing. It may also be desirable to use the duct supports for supporting pipe lines, conduits, etc., between the cottrell area and the sinter olant area. Very truly yours. RCS;gp Att. cc: E.H.Haug/W.T.Sweat A.O. Marsh, Jr. W.R.Kelly R. C. STEWART Project Engineer ASARCO ELP 0009288 SOUTHWESTERN INDUSTRIAL CONTRACTORS AND RIGGERS, INC. 7155 Industrial Avenue P. 0. Box 1611 (915) 779-3931 El Paso, Texas 79948 April 29, 1976 epfcis ASARCO, Incorporated ATTN: Mr. W. R. Nasmyth Plant Engineer P.O. Box 1111 El Paso, Texas 79999 Job MS 7 RE: Purchase Order EP-614-2 Sergent, Hauskins 6 Beckwith Engineers Claim.No. 1801-APD-^697 Dear Mr. Nasmyth: Enclosed is a check from The USFSG Companies for payment on the above referenced Claim. Very truly yours, HEW:jo Enclosure - Check No. 175726-1 Project Manager d, i175726-1 .CLAIM NO. ' lSOl-APD-4697 B.O. AGENT 1 >0 2984 . IMY 276 PKG.. CODE HtNE " ;-ISSUED AT- - v Date . 5212 SI Paso-TX 4-23-76 - - date- OP Arc;. ' 0 1055 "r ' POLICY NO. 3-20-76 1CC-715446 TVPrEO'N MG THE . -. _-7-n: - r- - 520 INSURED-POLICY HOLDER-PRINCIPAL INJURED-OBLIGEE Sergent,Hauskins& BeckwxLSli nrrineerg XT5T ttlN SSLi KIND OF LOSS AA' vJM COPE Asarco. Inc. am6cnt " amount 7T s 212.94 Tifoto "TOT" > cope. s212.94 AMOUNT ................. r - Eorrr.Ho.-.ASARCO, "INC.;;; -I l PAYFROM- ------- TO- -P.r.0." Box' 1111.1 COMPANIES issued er company indicated St (g 86iOw vmitib lumnxun an* wmm <or<irT TMITT tWCBmKTT tt&MAftO WMlwaOin wc. MEASE PRESENT FOR PAYMENT WITHIN 90 DAYS c'Order - El Paso/Texas 79999 :-OF - -r.'-.x . .t;.-.1 $212.94*** ' ' 7 ' ~7^>^^jr^-TAX'tpT # ~ ~7 -- RATABLE THROUGH LHE XRRST NATIONAL BANK - -- OfMJJttlAND -BALTIMORE. MARYLAND 2-- TC'-CCT r-.-i/v ~v: "M i 7 5.?.2&?M:0 5 20"00 l ii;72=9.il"`0 - ;---------=--+- TraosKsstsiszr -.CLAIM (GEN.) 25 751.001 TO 251.000 (1-76) ASARCO ELP 0009289