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Exam (elaborations)

OSSF Installer 1 Practice Exam Questions and Answers 100% Correct

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OSSF Installer 1 Practice Exam Questions and Answers 100% Correct An installer may call for a final inspection on a system that utilizes a pumped dosing system after? a) the field lines have been installed b) the septic tank, pump tank, and field lines have been installed and the electrical inspector has inspected and approved the electrical component of the system c) the house is built and electricity is turned on - CORRECT ANSWER-b) the septic tank, pump tank, and field lines have been installed and the electrical inspector has inspected and approved the electrical components of the system An installer's permit expires on the 31st day of december following the date of issuance - CORRECT ANSWER-T An SSD construction permit expires after how many years from the date of issuance? a) 1 year b) 3 years c) 2 years d) does not expire - CORRECT ANSWER-b) 3 years How far away must absorption field lines be installed away from a property line? a) 5 ft b) 10 ft c) 15 ft - CORRECT ANSWER-b) 10 ft How much gravel is required under the perforated pipe in a conventional system? a) 4 inches below the pipe b) none, pipe may sit on bottom of trench c) 2 inches below the pipe d) 6 inches below the pipe - CORRECT ANSWER-d) 6 inches below the pipe If the permit specifies that the system is to be installed 24 inches deep, this means? a) 24 inches from the surface of the ground to the top of the gravel b) 24 inch from the top of the ground to the bottom of the trench and lines installed on contour c) trench depth may vary between 24 to 30 inches - CORRECT ANSWER-b) 24 inches from the top of the ground to the bottom of the trench and lines installed on contour In soils that are approved by percolation tests or evaluated to have absorption rates higher than 60 MPI LDGP systems require? a) installation in a 24 inch trench with gravel back fill leveled to the top of the LDGP b) installation in a 24 inch trench with a quality top soil backfill c) installation in an 18 inch trench with gravel backfill to the top of the LDGP d) installation in a 24 inch trench with gravel backfill to 2 inches above LDGP - CORRECT ANSWER-a) installation in a 24 inch trench with gravel back fill leveled to the top of the LDGP

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Uploaded on
February 13, 2025
Number of pages
7
Written in
2024/2025
Type
Exam (elaborations)
Contains
Questions & answers

Subjects

  • ossf
  • ossf installer

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OSSF Installer 1 Practice Exam Questions and
Answers 100% Correct

Anzinstallerzmayzcallzforzazfinalzinspectionzonzazsystemzthatzutilizeszazpumpedzdosingzsystemzafter?

a)zthezfieldzlineszhavezbeenzinstalled

b)zthezsepticztank,zpumpztank,zandzfieldzlineszhavezbeenzinstalledzandzthezelectricalzinspectorzhaszinspecte
dzandzapprovedzthezelectricalzcomponentzofzthezsystem

c)zthezhouseziszbuiltzandzelectricityziszturnedzonz-zCORRECTzANSWER-
b)zthezsepticztank,zpumpztank,zandzfieldzlineszhavezbeenzinstalledzandzthezelectricalzinspectorzhaszinspecte
dzandzapprovedzthezelectricalzcomponentszofzthezsystem



Anzinstaller'szpermitzexpireszonzthez31stzdayzofzdecemberzfollowingzthezdatezofzissuancez-
zCORRECTzANSWER-T




AnzSSDzconstructionzpermitzexpireszafterzhowzmanyzyearszfromzthezdatezofzissuance?

a)z1zyear

b)z3zyears

c)z2zyears

d)zdoesznotzexpirez-zCORRECTzANSWER-b)z3zyears



Howzfarzawayzmustzabsorptionzfieldzlineszbezinstalledzawayzfromzazpropertyzline?

a)z5zft

b)z10zft

c)z15zftz-zCORRECTzANSWER-b)z10zft



Howzmuchzgravelziszrequiredzunderzthezperforatedzpipezinzazconventionalzsystem?

a)z4zincheszbelowzthezpipe

b)znone,zpipezmayzsitzonzbottomzofztrench

c)z2zincheszbelowzthezpipe

, d)z6zincheszbelowzthezpipez-zCORRECTzANSWER-d)z6zincheszbelowzthezpipe



Ifzthezpermitzspecifieszthatzthezsystemzisztozbezinstalledz24zincheszdeep,zthiszmeans?

a)z24zincheszfromzthezsurfacezofzthezgroundztoztheztopzofzthezgravel

b)z24zinchzfromztheztopzofzthezgroundztozthezbottomzofztheztrenchzandzlineszinstalledzonzcontour

c)ztrenchzdepthzmayzvaryzbetweenz24ztoz30zinchesz-zCORRECTzANSWER-
b)z24zincheszfromztheztopzofzthezgroundztozthezbottomzofztheztrenchzandzlineszinstalledzonzcontour



Inzsoilszthatzarezapprovedzbyzpercolationztestszorzevaluatedztozhavezabsorptionzrateszhigherzthanz60zMPIzL
DGPzsystemszrequire?

a)zinstallationzinzaz24zinchztrenchzwithzgravelzbackzfillzleveledztoztheztopzofzthezLDGP

b)zinstallationzinzaz24zinchztrenchzwithzazqualityztopzsoilzbackfill

c)zinstallationzinzanz18zinchztrenchzwithzgravelzbackfillztoztheztopzofzthezLDGP

d)zinstallationzinzaz24zinchztrenchzwithzgravelzbackfillztoz2zincheszabovezLDGPz-zCORRECTzANSWER-
a)zinstallationzinzaz24zinchztrenchzwithzgravelzbackzfillzleveledztoztheztopzofzthezLDGP



T/FzAzpermitztozrepairzanzSSDzsystemziszrequiredzanyztimezaztankziszinstalledz(septiczorzdosing)zand/orzinsta
llingzabsorptionzfieldzlinezinzanzeffortztozrepairzazfailingzsystemz-zCORRECTzANSWER-T



T/FzAllzsepticztankszmustzbezwatertightzandzofztwozcompartmentzdesignz-zCORRECTzANSWER-T



T/FzAllztightzlinezcomponentszofzanzSSDzsystemzmustzbezSch.z40zPVCzorzequivalentz-zCORRECTzANSWER-T



T/FzApprovedzorzpermittedzsoilzareaszthatzhavezbeenzcut,zfilled,zorzcompactedzmayzbezrenderedzunsuitabl
ezforzSSDzinstallationzandzapprovalzmayzbezrescindedz-zCORRECTzANSWER-T



T/FzConventionalzSSDzsystemszexceedingz750zgallonszperzdayzflowzarezconsideredzlargezconventionalzsyste
mszthatzrequirezazproperlyzdesignedzdosingzsystemz-zCORRECTzANSWER-T



T/FzDownspoutszmayzbezconnectedztozanyzportionzofzanzSSDzsystemz-zCORRECTzANSWER-F

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