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MASS PLUMBING CODE QUESTIONS
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o AND ANSWERS WELL ILLUSTRATED.
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How omany ofoot oof ohead odo oyou oneed ofor oa otest oon othe osanitary odrainage
osystem o-
o
ANS.10'
o
The omin ospacing ofor ohangers oon ohorizontal o1" ocopper o- o o o o oANS.6' o
o
No ovent oshall obe oinstalled owithin o_______ oof othe otrap oweir o- o o o o oANS.2 opipe
odiameters o
o
When osheet ocopper ois oused oin oplumbing oit oshall ohave oa omin othickness oof o- o o o o
oANS.12 ooz o
o
per osq
oft
o
The ostorage otime oof oa osump oshall onot oexceed o- o o o o oANS.12 ohours o
o
Min odrain osize oon oresidential olaundry o- o o o o oANS.1 o1/2 o
o
Duplex opumps oare orequired oon omore othan o______ owater oclosets o- o o o o oANS.5 o
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The omin ospacing ofor ohangers oon ohorizontal opex ois o- o o o o oANS.32" o
o
Max odistance oof o2" otrap ofrom ovent o- o o o o oANS.6' o
o
Max odistance ofrom otrap oto ovent o1 o1/2 o- o o o o oANS.5' o
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When obattery oventing olaboratory osinks, oeach orelief ovent omay oserve ofrom
oone oto o
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________ ovents o- o o o o
oANS.Five
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The omin oheight oof oa ovacuum obrackets oabove ohe oflood olever orim oof oa ofixture o- o o o o
oANS.6" o
o
The omax odistance obetween oclean oouts oon o4" oor osmaller ois o- o o o o oANS.50' o
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, Relief ovents oare orequired oon osanitary ostacks oof omore othan ohow omany ofloors o- o o o o
oANS.10 o
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stainless osteel otubing ograde oH oor oSL oshall obe omarked owhat ocolor o- o o o o oANS.Blue o
o
Inspection oof oneutralizing osumo oshall obe odone o- o o o o oANS.Monthly o
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Min osize odrain ofor oresidential oFood owaste ogrinder ois o- o o o o oANS.1 o1/2 o
o
A owaste opipe othat odischarges othrough oand oair ogap ointo oa oproperly otrapped oand
ovented o
o
fixture ois ocalled o- o o o o oANS.Inderect owaste
opipe
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Min ospacing oon ohorizontal o2" ocopper ois o- o o o o oANS.10' o
o
Max oflow ofrom oa oshower ohead o- o o o o oANS.2.5 ogpm o
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Min otrap oseal o- o o o o oANS.2" o
o
Trap osize oof oa otub owith ooverhead oshower o- o o o o oANS.1 o1/2 o
o
The omin oclearance ofor oaccess oto oa o3" oor olarger oclean oout ois o- o o o o oANS.18" o
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How omany ofixture ounits ocan oa o2" otrap ohold o- o o o o oANS.3 o
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1 o1/2 opipe ois ohow omany ofixture ounits o- o o o o oANS.2 o
o
Clean oout oplugs ocan obe omade oof o- o o o o oANS.Brass oor oplastic o
o
Copper otubing owith osmallest oinside odiameter o- o o o o oANS.Type ok o
o
Max odrainage ofixture ounits oon oa o3" osoil ostack o- o o o o oANS.48 o
o
A oflexible oconnector ofor ogas oappliances ocannot obe oused ofor opressure
oexceeding o-
o
ANS..5
opsi
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The overtical odistance obetween oa ofixture ooutlet oand otrap oweir oshall onot
oexceed o-
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ANS.24"
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Test odone owith oair oon osanitary odrainage osystem oshall obe ohow omany opsi o- o o o o
oANS.5 o
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The omin oclearance oon oclean oouts o2" oor osmaller ois o- o o o o oANS.12" o
o
The omin osize ofloor odrain ois o- o o o o oANS.2" o
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When obuilding odrainage ois oinstalled oin othe osame otrench oas othe owater oservice owhat
ojoints o