Document qmmzb1NBY198rXavKw4VE60kR

LIA21507 LEAD THI3 RELEASE SENT TO PIN 11 -- Members INDUSTRIES ASSOCIATION 99 - METALLIC LEAD PRCDICTS DIV. 0 CAST AIMS STRICT U - CHEMICAL BULLETIN; NEW YORK tT, N.V. November 25, 1957 SUBJECT: LEAP PUILDITC CCNSTKl'CTTO* BULLETIN To Meshers of the Lead Industries Association: Enclosed please find a copy of the third of our series of Lead Building Construction Bulletins entitled: "Specification for Lead Chenleal Laboratory Pralnage System^* The previous bulletins were Issued last year as follows* Lead Building Construction Bulletin No. 1 Specification for Lead Waste Connections for Pitching Fixtures with Integral Trap* Lead Building Construction Billetin No. 2 Specification for Lead Shower and Safe Pans Lead Building Construction Bulletin No. 3 is being distributed to approximately 20,COO architects ar.d others In the building industry as well as to a solected list of pitching contractors. Extra copies are available to members in quantities up to 25 at no charge. Larger quantities are available at our cost of IC.5P per ICO, plus calling charges. Sincerely yours. l 1^21508 N 1654.01 I It *<= |.ffiLiL>>i|>r a 50q 1^ sr% rafcd Specification For CHEMICAL LABORATORY DRAINAGE SYSTEMS > !jtlK>rytrv drnitiHge aitd vent MF!t*mn shall not be LEAD-LINED TABLE TROUGHS ,,h,n b, im-d directly conmvt-d to the sanitary drainage system of w ith at lea.-t 4-lb. sheet lead, flatlet end shall be ex any building. lailxiratory unMi-f may discharge into the building tended U-lnw *upiortuijf material to prexeiit capillary attraction carrying fluid* along underside of trouirh m-wcr only after passing through dilution r mutralir- into table conatructinn. ing ihumlntF acceptable undrr Nral and state plumb ing, building or health dejartmcnt requirement*. LEAD TRAPS ihal! have a wall thickness comparable ma t e r ia l s All Imd product* for chemical latxratorie* shall le made from |i*r lead meeting requirement* of ASTM Sjx-rificatinn* Serial Ibsignation B-29 for chemical, acid or copjter h ad grade*. Antimonial (hard! lead, when specified. shall be an alloy containing -4.0 to 7.5 per cent antimony. LEAD WASTE AND VENT PIPING for ch^nic.l InUiratoric* *hall be Cla** B or >! weight conforming to K*derul S]K.*cificat inn \V\V*P-.*l2a. < Kxcvption -- for educational unit* "11" or "XL" weight had pipe in accordance with Federal Specifica tion \V\V.p.:t25, may he used where accessible. See la-ad Building Construction Bulletin No. 1) to the lead pipe to which it 2* connect'd atid have at least a 2-in. trap seal. All ch-annul plugs, trap screws, cover* and ring* shall Ik * of cast hard lead with stand* anl pije threads, and ring shall 1m* k-ad burned to tne body of the trap. (Trap luitlem shall conform with re quirements of local plumbing regulations.) LEAD-LINED ACID TRAYS ,hatl hr lin'd with >t least 4-lb. sheet lead. A l'i-in. lead sink plug and strainer shall be UM*d for outlet connection. The bot tom of the tray shall pitch from all direction* to toe outlet. JOINTS AND CONNECTIONS All joints in lead pipe or sheet shall be lead burned. Lead bunting i.% the fusing of the lead with a flame, hence, a true weld. Soldered joint* are not permitted. LAD CCVERED TABLE T0K5 hall l*e made with at least 4-lb. sh<-et lead with lead formed firmly over all edge* and corners 5v tassing or folding. Corner* may be t ut and burned. LEAD-BURNED JOINTS for waste and vent pip ing shal* le regulation lead-burned joints fused toc-ther to form a uniform weld at k-ast as thick a* the pipes being joined. Lapped joint* shall be used on site* up to and i.tcluding 2 in. Lead-burned joints for sheet lead shall be regulation LEAD-LINED SINKS shall he lined with at k*ast 4- kad-hurned butt or lap joints fused together to form > 0 1b. sheet lead. The sheet load shall l>e formed over the a uniform wrld at ka.-l as thick as the material being rim of the sink to form a complete lining covering all jointl. Butt joints shall he used for sheet lead over 1 surfaces exposed to fluid* or splash. in. thick. Lead-bcming rod shall be of same composition a* LEAD CUP SINKS OR WASTE BOWLS .hll material being burned. hn\e a wall thickness of at least a .*l2-in. ami Ik * cast lead or Ik * -pun from lead pijxr. Threaded tailpiece con* nection cast with Ixswl. or lead rink plug and stratn*T, LEAD LINED SINK AND ACID TRAY WASTE CONNECTIONS shall W made by using projier site is acceptable. (Bowls made from l*Mb. sh<s*t lead may lw used.) lead sink plug and strainer with lock nut or by burn ing strainer body to lead lining. .------ . n -- ------- ...: . . . . I . u^. 9^m / LIA21510 l Iruirt Tv c'tiKMK'AL prwe**inr plant*. the piping. Morage and other Equipment for hustdlititf corrosive chemi- 0 cals may U* dcaigned with *i**cifie reference* to the toiTU'iou rv*i*tn<c of material* to the )>ur1iruUr chemical* to Ik * handled. In wchool, college, hospital, plant, and other lal>ora1oric*. howe\er, mutcrial* mud la- iwlevtcd which have good corro*inn re*i*tmice *gai*t the widest po**lble variety of chrmicul* i>cv;tUM* there i* no l*eforchand knowledge of what chemical* will be u*ed and the variety in invariably' great. Since lead in probably more rwislant to cor* rt>ion by a greater variety of chemical* than any other common metal, it in therefore one of the mont useful material* for lalioratory piping, filling*. gink*, trough*, and the like. For the guidance of arrhitecU and engineer* who want to take advantage of the excellent ch*ractcri*tu* of lead in laboratory design, th" *|*ecification* and practical ugge*tion* on the f^. wing |iagm ha\e Ut-n prejmrt*d. CORROSION RESISTANT - Ld ha. Krv.ivr resistance to corrosion by a greater variety of chem ical* than any other common metal. FLEXIBLE -- la-ad i* ra*y to install to meet even the mo.st difficult condition* with a minimum of joint*. *incr it can be readily bent for change* of direction and will take up movement or expansion and contraction without damage. BONDED JOINTS-Joint, in b-ad are burned thu* presenting only Irad ex|*o*d to the corrosive*, without Filial fining* or other metal, and with length* bonded together ao that joint* cannot loosen and leak. ADAPTABLE Because lead i* stable to roost all condition*, there j* no tu*ed to b-i r with *prc*l high-c***l alloy*. Also u ith lead, the uv of r%|ensive fitting* are minimited. AVAILABILITY -- The lead pi[*e. fitting*, and sheet lead for tal*'pw(ory work are standard item* available everyth'ie throughout the country. LOW COST - - Kera Use bad pipe iteed* no exj**r*i\c filing* when joint* or change* of direction are made, the co*t i* minimis'd. TECHNICAL ASSISTANCE -Th. trchmcl i tutT of the Association i* at your w*po<*l in helping y ou *obe your lead pruldem*. Other Bulletin* in thi* aerie* include: la'ad Building Construction Bulletin No. 1. S|**vinration for !*ad \\'**te ('onnection* for I'iumliing Fixture* with Integral Trap*. la-ad Building Conetrucliou Bulletin Kn. t. Spirificaliun for laud Shower and Safe Fun*. to:Addrv** your request for literature* nd other In* quint** Architectural lh-pl.. la-ad Industrie* A**nciali<*n. tin Ka*l 42ml St.. Sew York 17. S. Y. "W < "ijmM* ' "* V 0 t  *- ayMJgji i OLmup.l MW LIA21511 mem. ALBERENE STONE OR OTHER CHEMlCAL.RESfST* ING SINK WAStE CONNECTIONS .hallb. m-deby using pnijw-r iu- lead link plug and strainer with lock nut. U*d r white lead putty may br ued under sinkplug hody to form gasket. Ua O c h e mic a l s in k p l u g s , s t r a in e r s a n d BEEHIVE STANDING OVERFLOWS shall lw made ef vast or extruded hard lead, using hard lead lailrmer for trap mVt (smrMHtinn. All tnreada shall hr standard pipe thread. J<iint* may be union, flange, or burned where tailpiece is piinM tea strainer piece outlet. LEAD TRAP JOINTS. Inlet and outlet and cleanout plug* for k-ad chemical trapa shall be lead-burned joint#. LEAD w a s t e AND VENT CONNECTIONS. All jinu brtw*-n lead pipe or fittings and acid-resisting ca*t iron hall lie nude as follow*: When Jvad w-*flt or vetd pipes are connected into acidresisting <al iron with calking hub, a regulation lead calh-d punt shall be used except that treated ashrsto* parking shall be used in place of oakum. Hurd lead ferrules burned to lead pipe shall be used. Rra ferrules may be used when the lead pipe is ex* tended through the ferrule and turned bark over tbr U-ad mi the spigot end #*f the ferrule. The inlet end of the f. rrule shall be lead burned to the lead pipe. When lead waste nr vent pipea arc connected to av*dresisting iron or steel pipe with regulation standard t'i(ie thr ad*. the lead pipe shall be burned to cast hard lead lHjhmg* r nipple*. When brass mpplee nr brass hushing* are ued, *ne lead pipe shall extend through them with bad-burned joint used on inlet and nutlet end. lead to-h ad flangr joint* may also be used. HANGERS ANO SUPPORTS I'lp-iig shall It installed without undue strain# ar.d strv >**- and provision made for expansion, contraction and structural settlement ir accurdancc with the follow ing remmmendattona; VERTICAL LEAD FIPE shall be supported at int<na!s nd to exo-vd 4 ft. Flange*, tacks nr ctraps burned to pipe shall be used. o HORIZONTAL LEAD PIPE shall he *up["jrted by angle <-r ihaiitiel irons, h-av} *heet-mrtal trough#, wood strip* -r otherwise, over its entire lenrth. HANGERS AND ANCHORS shall be of metal of suf ficient strength to maintain their proportional share of pij- 'uplift and alignment and be securely attached tu the l-uiMing construction. PIPING IN CONCRETE. AfJ chemical laboratory piping shall, when- construction (wi'mitc, be placed or installed in cha*#n r r-ei-*rs which will permit access to *he piping for rej*air or replacement. lead piping incased iu cincrvle or masonry walls or d-xrs shall It heavily coated with asphaltum paint. LEAD SAFE PANS t-iad safe {tans shall be installed in accordant* with 1-ead IndustTH-s Association Sfwciflcatwn for la-ad Shower and Safe I'ana (l.**4 Ruddmg Construction Hulk-tin S'n. 21. SAFE WASTES, when used In place af wren holes in fhr drain. d\all It l*in. lead pipe, fxr*;5vrst as an in direct waste. and discharge over a water-supplied acreIc t sink or tLsir drain. LEAO-UNED NEUTRALIZING Ia SIN lsad liiungs for neutralising basin* nr dilution tanka for chemical laboratory waste In butldinr* sha'I be of at least 12 11*. sheet lead with lead-burned joints. LEAD OR LEAD-UNEO FUME HOODS AND DUCTS Kume and ducta shall be const etrd of at k asl * Ih. #het bad Bupi**rted in an angle m>n frann nrk. .Hu-et metal having a bonded lead tilling thickrus* of bad uf at kasi 1 'id In. may also be uar-d.