Hanford Engineer Works Monthly Report - June, 1947 (Deleted)

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Arrivals and Departures of Exempt Personnel . Design and Construction Deparbent 155 Project and Related Personnel ................ 173

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waa 88.8, The operating time efficiency two were delivered from the Isolation Building. There were no major i n j u r i e s during June and as of the end of the month, the plant had operated fifty-five consecutive injury-free HOUS-, Village Facilities and Schools -- Project apg rav ds have been secured for the additions t o Columbia High School and Jeff ers m Grade School, also for the construction of five hundred housing units. Steps are being taken to select a contractar t o handle the approved nmk a d it is expected that contracts will be negotiated in less than thirty days. Architectural engineers have been selected f o r the work on canmercid. facilities for the Village. general be ccmpleted in ninety days. This work is proceedkag and will in The preliminary planning for t h e major construction progran has now progressed t o the point where defi.?ite p l a a can be made for the various phases of the progran. Definite steps will be taken t mard the ixrtegrating of the various parts of the program; that is.., between the Village and the Plant.E

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Ralph Kenneth jlahlen Francis L. Ver cill tfa int enanc e Ha int enanc e

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The D and F Pile a operated ata aruninal power level of 250 M.Y. and 200 M.W. respectively except for scheduled outage8 and a t o t a l of 4 The 8 - Pile waa maintained in The 300 Aren production r a t e cnutinued on a 60 ton per manth basis tomet the 100 Area requlremente. One operator wae hired and aeeigaed t o the 300 Area. terminated and another transferred t o fill a vacancy i n the Hauaing Section of the Service be pap ant ; both had been e ql oye d In 100-D Area. One operator wae Two superviBor8, R. K. Wahlen and G. Bunker, were hired and asaigned t a t h e 3O@ Area. A*. Wahlen had piwvloualg been employed. i n the 300 Area. L. H. Wallace wep rm ted frm Shift Supervisor t o Area Supemlaor i n P. E. Lowe wae aeeigned t o rrpecial dutiee in cennection wfth problems Incident t o construction 09 ~ e vF ile fac il it lee. III. AREA ACTIVITIES OC, 10 tubes, .240 zone)

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b t e of Outage Metal Diecharges Maintenance Unecheduled !here were no scheduled maintenance olitages. The unscheduled art a gee were caused ae follows: Test of emergency tuck while going into the pile ; delay to remove the rod reaulted in a proDuring the e hut dm No. 8 Failure of a tube In No. 3 Beckman Controller. _ _ Failure to reset the trip point on go. 4 BeclaPan Cont roller during a at art up. Critical "Y" power condition resulting from the loss of apmer line i n the loop feeding the 100-D Area SubF-PIle wee shut dam upon notification of the above The condition caused a scram a t D-Pile; the Operating Esrperl ence Details of irradiation of Special Requeete processed during the month my be found inthe Technical eection of this report. A number of Production Teete, a s indicated below, were proceeeed during %he 105-9 -P (Corroeicm of Sluge and lubes) An inepection of 6front and 8rear flangee a t D-Pile revealed pitting and corrosion. Tho.inepection will be extended tn other tubes and mnee i n the I) and F - Piles.

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105 -72-P (Monitoring of Van Stme Flanges) Periodic measurements of 12 rear Van Stone Flanges a t D-Pile were taken during June. Graphite samples were discharged front Tubes Noe. 1582-~, into Tube No. 1382-D. (Use of Solid Aluminum Slugs) Six fringe tubes a t F-Pile previously loaded with eolid aluminum dunnnioe and equipped with .240" orifices were boreecoped t o determine chattering effect. (Exposure of The muy Cycled Slugs) Fmr tubes ware charged a t the F - Pile during June, Graphite eamplee were charged A one-hour expaeure was made at the F - Pile Dn June 26 i n the "E" Test Hole facility. On June 11, a l l samples were removed from the "B" Test Hole a t F-Pile a8 moisture had been observed on the ehielding pluge during a previous shut - If further observations indicate a leak, the facility will be On June 28, e reading of 94" of water was observed on t h e gauge Connected t o the Maeon-Nielan dump valve in the exit helium line from the D-Pile. The suspected presence of free water in the pile was partially confirmed by a positive indication on the moisture analyaer. The dump valve lwei was reduced t o 2" e t which stage it has remained without further change; eim lta neo u ely the moisture analyeer indication returned t o and remained a t Zero. The condition will be investigated further to ascertain the loc a tim end muse of the trouble. As fringe tubes Rbove Rm 38 come due fQrdischarge they will be left empty except for dwnmiee a t the ends. (Refer t o kcument if?-6445, Minutee of 100-300 koa I)rogrem Meeting gf 6/17/47 for au thx iz ation). The slight bee of reactivity sustained by this measure i s deemed justified by the conservation of slugs, which if charged, would probablg never reach normal cm cent rations during the life of the pile. in this faehion were eoheduled during June, a s follows: grooved et eel d dee (1.580" 0.D.) a t eRch end. temporarily cherged full of dummies with normal water flm; they w i l l be proceeeed i n similar faehion t o the D-Pile tubes during August. The first tubee t o be proceseed The D-Pile tubes w e r e dried and then plugged with 6 attached The F-Pile tubes were h chen ical Experience All horizontal and vertical rods a t both D and F - Pile e are in eat ie factory

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opereting condition. Work done m rods during June i a e8 indicated below: The opeigtion of Vertical Rods Nos. 28, 33, 36 and 38 a t D-Pile end Nos. 21, 24 and 38 a t F-Pile wes improved by s him lng one eide of each step plug with partial rings of geeket material thus returning the plug, (and tho rod guide), to a vertical poeition. A a mall water leak a t the junction box of No, 8 Horlzcmtal Rod Tip a t F-Plla wae observed on June 11 and repaired by welding on June 25. The rod wae then returned t o eervice, Repaire t o the leak at the junction box of the old No, 2 Horizontal Rod atF - Pile were coq let ed. This rod i s not i n use, having been removed from the pile and repkced eeveral months ago. I n continuation of a program canmenced In May, Vertical Rds Noe. 24, 25, 26, 27 and 35 etthe D-Pile were buffed and oiled to minimize rust formetion. All vertical rode Inthe three er cas will be elmilarlg The ering tension on the pilot valve lever em (2-wa7-4-wag solenoid valveP of No. 8 Horizontal Rod a t D-Plle was Incmaeed t o overcome a tendency toe tick and thue prevent emergency functioning of the rod, No. 8 Horizontel Rod Thimble e t F-Pile wee bore ec qed on June 11 t o find why the rod hed etuck on June 7 during e ecrcm, me kick plate wae found t o be scratched. ¶'he top of the rod wee buffed and the rod wae returned tonom1sew ice. I n continuation of a program comnenced i n May, the et ruc t ural supportS for a l l Horizontal Rods i n the Inner Rod Room a t B-Pile and on Rods allm free outward mtim of the p i l e shield. on until ell three piles have been covered. The work will be Carried On June 3, Tube No, 3lm-D stuck after ebout half the et ringer had been displaced and it wee neceseary t o resort toa hand charger to clear the June 1'7. The bore ec qe eurvey of the old tube revecled galling about 9 feet from the outlet end. The tube wae not recharged and wae repleced vl th out Incident on Continuing 8 program t o minimize the poseibilj-ty of rod binding, the pphi te tracks in Horizontal Rod Thimbles No, 4at D-Pile and No@. 5 end 8 a t F-Plle were trimmed damto provide t" end clearance, The No. $ track was found t o protrude abut 1/32"; the trs ck s in the other thimbles were The new insert for "B" Teat Hole e t D-Pile was in et all ed June 17 and has been pk ced in service. Cas Proceeslng Buildlnq No gas wae purified or unloaded t o storage during June.

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Abnormal and erratic water removal atthe Drier6 was experienced a t monthend coincident with the suspected preaence of water elsewhero ICt h e helium The contamination from floor drain gaeeee a t the D-Pile Tranefer Area, referred to in the My Reporz, has been corrected by installing trap covers for the draine. Radiograph equipment I n use inthe "X"-Water Sample Room a t F-Pile, by mombore of the Technical Department, wae removed t o the No. 2Purification Room t o minimize any possibility of expoeure t o aree pereonnel. This Purification Room had been hid away and l e not used for any other purpose. 300 AREA - METAL FABEICATION Extrusion, Outppseing end M chin in a Extrusion, Maohining and Billet Yielde were 0s follows: Extrusion operated four days in June. ing device. This provided a rapid quench from the @mma phase without caueing abnormal wcrpage. diameter die having a thine tud it e facing at the throat. quenched by using the spray-type device prior to normal quenching. of this test mar be found inthe Technical section of this rsport. On June 10, three rode were quenched On June 17, six rode were extraled through a 1.403" These rode were I n canformance with Production Test No. 313-90-M, forty-nine receptacle slugs were machined and drilled. of 1.353" 7 .ffol" for use In fabrication of cepeule ("papooee") pieces. Chip Recovery and Oxide Burning The Chip Recovory yield was a s follawe: lu e were machined t o ci length of 6.00" .010" and a diameter $ Yield To Ikte

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Chip Recovery uperated five dags i n Jum. was made t o determine if the quality and uniformity of briquette e cuuld be A complete ptudy of this qe ret lon The results were es follows: a. A comparieon of the avenge billet analyeie of all billets included i n each machining lot with the ens lysis of briquettee produced from each machining lot proceeeed during the paet t h r e e month6 indiceted only minor differences in Iron and e il icon b. Repeated passing of chips over the nusgnetic seperatom did not reduce their on content. C. A elm rete of feed acme8 the magnets and frequent cleaning i s neceeeery f o r beet eeparation. d. The second nicgnetic eeperator was inverted eo t h a t the chlpa n m paee over t h e surface of the magnet ineteed of through a chute . approximately 19'belm the surface of t h e me.gnet. e. Investigation of magnesium additions a t the briquette preee revealed v n riat lo as of frm .Os$ to .19$ by weight. A diepenser l e being iabricatod that will add an average Df .1$ magnesiun by weight t o each briquette . The mn teri alb w ned in the Oxide Burner was as follows: Extrusion Floor Sweepings (0-2 303 1040 10705 Chip Recovery Floor Sweeping@ (D-2) 260 213 561 Chip Recovery Oxides (D-6) 930 Extrusion Oxidee & Skirt e (D-6) 34353 Metal Slugs - Type canned and y i e l d were a8 followe:

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One hundred end three pieces of Special Request No. 3-3 (Thorium) were Special Requeet No. 5-3 inetead of 33, a8 reported). received” were already machined t o epeclflcatlone and required no processing prior to canning. The difficulty reported last manth with the standard thin wall (.O35”) cans drawing unevenly during a eee du was ’ eliminated by enlarging the 9121ng d i e from 1.420” t o 1.426”, (Forty piecee reported ae canned i n Mag were a part of One hundred and eighty piecee of Special Request No. 15-13 ( L i t h i m Fluoride) were canned. four becauee of failure to paee bubble test and the fifth because of FLve additional pieces were returned t o the vondor, A total of 623 blemuth slugs and 35 “papmee“ dug s were cenned i n June. Canning reject e by cau ~ e ,vere: u si on Outside of Can Mie ce llaneoue A 1 S I on Outei.de of Can A total of 2070 IbS. of BFC6 wae recovered i n June. The processing of‘ the backlog gf brmze flux thrmgh the recovery operatian we8 completed. I n conformance with Production Teet No, 313-9-M) twenty-elx receptecle slugs were canned.

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Inspection and Testing Ave. Weleht - LIS. Two four-inch nA'' eutoclave failure e occurred i n June ee are eu lt of porous can eidew&ll approximately one Inch below the cap, engther was ruptured through the can eidewall apprQximatoly two Inches above the bot tm, and the third was completely destroyed. There were three MZ autoclave failuree; one had a ewelling i n the Received" quality of cme, cape, end sleeves inspected prior to

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This unit uperated eleven eight-hour days making 85 re gul er tests m canned elugs, 72 tests on billet egga, and the fol lm lng specicl tests c,e indlcated for Production Teste o r other reasme: Number of Tests Radlogrephed Pieces Returned from

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Thirty-one batches were started in the Canyon 3uildings during Juns and thirtyYtwo w e r e processed through the Concentration BvJiltiings 'hirt? two charges wer3 completed i n the Isolation Suilding with a 3 a.rersge Tne material balances forT and E Flants averaged 98.8'2 and 101.02, for both plants totaled 3-95. Average vrsste lcs ses Numbsr of charges started Humber 02 charges caplet ed For coinpleted charges: Perce ~ tag so f starting >roduct i n waste Percentage of -st art ing product recovered Percentage of starting product accounted for (a),(b),(cj : Include rvasta from procsssing recycls. The recycle wastss are estimztsd a s :

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Isolation Building Per f om ce Data (6/1/b7 - 6/30/iL7, inclusive) Average for this nonth 97.1 3.92 0.002 101.0 Average to date 96.8 3.35 0.13 190.0 Effective June 1, 1947, the following s upn is or y changes C,ook place i n proaoted to St nior Supervisors and assigned tothe 22@ Building t o rs place …