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Opening of Bids - Two (2) More or Less Custom Rear Mount Pumpers Spec C - Sentinel Emergency Solutions
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Opening of Bids - Two (2) More or Less Custom Rear Mount Pumpers Spec C - Sentinel Emergency Solutions
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9/14/2020 4:49:49 PM
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Board of Public Works
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Projects
Document Date
9/8/2020
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The support systemshallinclude steel vertical anglesupports boltedto the chassisframe <br />rails. <br />Attachedtothe bottomof the steel vertical angles shall be horizontal angles, withgussets <br />weldedtotheverticalmembers, whichextendtotheoutsideedgeofthe body. <br />A steelframeshallbemountedon the top ofthesesupports to create asubstructure which <br />shallresultina 500lb equipment supportratingperlower compartment. <br />The substructure shall be separatedfromthehorizontalmembers withneopreneelastomer <br />isolators. Theseisolatorsshallreducethenaturalflexstress ofthechassisfrom being <br />transmitted tothebody. <br />Isolatorsshallhavea broad loadrange,provenviability in vehicularapplications,be ofa <br />failsafedesignandallowfor all necessarymovementin three(3)transitional androtational <br />modes. <br />YES/NO <br />A design with bodycompartments hangingon the chassisinan unsupportedfashion shallnot <br />be acceptable. <br />AGGRESSIVE WALKING SURFACE <br />All exterior surfaces designatedasstepping, standing,and walkingareasshallcomply with <br />therequired averageslip resistanceof the current NFPA standards. <br />YES/NO <br />LOUVERS <br />Louvers shall partof compartment walls toprovidethe properairflow inside thebody <br />YES/NO <br />compartments andtoprevent waterfromdripping intothecompartment. <br />TESTING OF BODY DESIGN <br />Body structuralanalysisshallbefullytested.Provenengineeringandtest techniques suchas <br />finite element analysis,stress coating andstraingauging shallbe performed withspecial <br />attentiongiven tofatigue,life and structuralintegrityof the cab, bodyandsubstructure. <br />Body shallbetested whileloadedtoitsgreatestin-service weight. <br />The criteriaused duringthe testing procedureshallinclude: <br />- Raising opposite cornersof the vehicletires9.00" tosimulatethe twistingatruck may <br />experience when driving over acurb. <br />- Makinga 90-degreeturn,whiledrivingat 20mphtosimulateaggressive driving <br />conditions. <br />- Drivingthe vehicleat 35mph on a washboard road. <br />- Drivingthe vehicleat 55mph on a smoothroad. <br />- Acceleratingthevehiclefully, until reachingtheapproximate speedof 45mph on rough <br />pavement. <br />YES/NO <br />Evidenceof actualtestingtechniques shallbemade available upon request. <br />COMPARTMENTATION, DRIVER'S SIDE <br />Sizes are estimated toshow scope. Actualsizesto bedetermined atprebuildmeeting actual <br />PDF created with pdfFactory Pro trial version www.pdffactory.com <br /> <br />
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