b'PD 2 .gE-? afterthedateoff i nalsettlementofthecontract.H ,a owevercompanyfurnishinglaborormaterialtoasubcontractor andnot dealingdirectw ththegenero.J.cont r actor m gi vewritten i ust noticeoftheamountclaimedtothegeneralcontractorwithin90 daysfromthedateonw thel a stlabor or materi alwasfurnhich ished .Thisnoticeisajurisdictionalprerequisitet obringing suitonthebond .Itshouldbegivenbyregist eredmail. TechnicalRelease AsphaltPump_~ by LoydB.Blackw l elBlackwellBurnerCompany phatch \' 1 Themethodofpumpingas1andpittoroo f sisaf a r c ryfromarooferpickingupabucketineachhand,walkingup al adder,losinghisbalanceandburninghimselfandanyoneelse standingnearby . i:Ar oofpumpisanabsolutemus tinthemode rnroofingoperationsoftoday.\'rhevariousroofingequipmentmanufacturers canfurnishagr eatvarietyofstyles,sizesandmountsfrom whichtochoose .Carefulconsiderat ionmustbegi ventosel ect ould t heonet hatw bestsuityourpar t i cula rneeds . :: Agasolineenginedrivenrotaryc1ump,mountedonasmall portablestand,that;canbeatt ached toanyke ttleorl:ettle s~ i sthen~stpopular. ; O personalchoice,wh e nmoun-cingapumpd irectl yona ur kettl e ,isalow,rearmounting .A goodchoice:lsthelow, nother frontmountintheareaw ethef ueltankisnor m mounted . her ally Theselowmountshavet headvantageofgravityf loww a llows hich oreear form w beforerepairs . "Oneothertypei sthefront,topmountedpumplocatedover t hefuelt ank.I nthisposit iontheexhaustfromtheburnerscan beusedtopreheatthepump .Also,w cleaning ,t heaspha lt hen candrainbackintotheva tw theuseofbuckets . ithout : 1 Thesecondtypepumpisthesubmergedcentrifugalpumpwith theenginemountedonthefluesheet ,either-nexttotheflues or ontherearofthekettle . 11Thistypemountingexposesthepumntofumesf r om them t elingmateria landalsotoanyfla shkettlefires .Oneadvantage isthatnospecialpreheatingofthepumpisne cessa.r;v .Whenthe materialreachesthedesiredtemperaturet hepumpi sready.'