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Infiltrator IM- and TW-Series Septic JANUARY2014
<br /> Tank General Installation Instructions �NFILTRATOR�
<br /> � tanks
<br /> BEFORE YOU BEGIN points provided at each of the inlet and outlet ports according to the applicable
<br /> Infiltrator Systems'tanks must be installed according to state and/or local Inlet and Outlet Hole Locations section of this document.The inlet and outlet
<br /> regulations,which supersede the manufacturer's installation instructions. may be drilled on either the sides or ends of the tank,as required based on
<br /> If unsure of the installation requirements for a specific site,contact the health applicable codes and site conditions'
<br /> department or permitting authority.The IM-Series referred to in this document 'Indiana,Kentucky,Oregon,West Virginia,and certain florida and Texas
<br /> includes the IM-540,IM-1060,and IM-1530 tanks.The TW-Series includes the tanks are factory-drilled.
<br /> TW-1250 and TW-1500 tanks. 3.The gaskets supplied with the tank are compatible with Schedule 40 and SDR
<br /> AWARNING:IMPLOSIONS MAY CAUSE SERIOUS INJURY 35 pipe using a 5-inch-diameter(125 mm)hole saw with IM-Series tanks,and
<br /> Follow Infiltrator Systems Inc.vacuum test instructions a 5'/a-inch-diameter(133 mm)hole saw with TW-Series tanks.
<br /> 4.Install the rubber gaskets at the inlet and outlet.
<br /> ' • ' ' S.Using all four of the tank's integral lifting lugs,lower tank into excavation.
<br /> Infiltrator tank Shovel 6.Slide the inlet and outlet pipes'through the gaskets.Soapy lubricant may
<br /> be used to slide the pipe in.
<br /> �i Access port lid(s)' C,Level 'For North Carolina,the inlet pipe shall be a straight pipe with no tee.
<br /> ❑10 screws per lid` ❑5-inch-diameter(125 mm) 7, Horizontally position the tee 1Yz inches(40 mm)from the access port rim,
<br /> �2 inlet/outlet gaskets hole saw(IM-Series only) allowing the tee to fit into the recess in the access port lid(see detail).
<br /> (included) ❑5.25-inch-diameter(133 mm) 8,Install lids and risers(see Installing Risers section)as necessary.Rotate lid
<br /> �:.,Inlet/outlet tees` hole saw(TW-Series only) over access opening until it indexes to tank and drops into position.
<br /> C Ta pe m easu re ❑Ut i I ity kn ife POSITON TEE 1 5"in(40 mm,
<br /> ��'. I FROMPORTRIM
<br /> ❑Pipe,risers,etc. ❑PVC pipe glue with primer A�cessPORTR�M
<br /> ❑Socket wrench �"s"ET _
<br /> 'tee and lid inclusion varies by �
<br /> ❑Excavator state/province j nccess
<br /> � OPENING
<br /> uo
<br /> INSTALLATION SITE SELECTION TANK WA�� — rANK —�N�TTEE
<br /> �IM-tO605HOWN) INTERIOR (TYPIGAL�
<br /> 1.Do not install the tank in vehicular traffic areas.The tank is designed for
<br /> non-traffic applications.
<br /> 2.The allowable soil cover depth is 6 to 48'inches(150 to 1,200 mm). ��s�o,�M-,oeo,wo�n+,5�o s5��n 3�smm,
<br /> '18-inch(450 mm)max.in Florida for Cat.3 IM-and TW-Series tanks; , Tw-+z5onuo,w-,wo 5,��n.s�5 mmi
<br /> %��l'�'��i�'. '��'i��T�L'
<br /> 48-inch(1,200 mm)max.in Florida for Cat.4 IM-Series tanks;36-inch y�����, — �– -- � �v�l
<br /> (900 mm)max.in Massachusetts,New Hampshire,North Carolina,and Oregon. �
<br /> 3.The tank shall not be installed where the subsurface water level outside the tank > � � �`�
<br /> exceeds the height of the outlet pipe saddle.Follow Table 4 guidelines. �, i „���,,,,�t �
<br /> EXCAVATING AND PREPARING THE SITE j� � ��
<br /> i.Unless buoyancy control measures are required,the excavation width and ���� ,
<br /> ���u�/�'���r�� �/'�� ������
<br /> length should be 18 to 36 inches(450 to 900 mm)larger than the tank on each <�,�,�������l,�j;��,�1,�,��,�,,�,,�;��
<br /> side or sized as necessary to ensure proper backfill compaction,as outlined
<br /> in Steps 5-10 of"Backfilling the Tank"in this document.See Infiltrator IM- gACKFILLING THE TANK
<br /> and TW-Series Tank Buoyancy Control Guidance document,available online
<br /> at www.infiltratorsystems.com,for specific excavation requirements when Note:Infiltrator tanks do not require filling with water prior to backfill
<br /> installing buoyancy control measures. placement.Water filling and backfilling to the tank mid-height is required
<br /> 2.Excavation depth shall account for the height of tank(55 inches(1,375 mm) if the tank is left in either an open or backfilled excavation that may fill
<br /> for the IM-Series tanks and 51 inches(1,275 mm)for the TW-Series tanks). with water from rain or other sources.
<br /> Also account for 4 inches(100 mm)of bedding(if required)and cover depth 1•Backfill with suitable native soil(max.3-inch(75-mm)stone diameter).If native
<br /> (permissible cover depth is 0.5 to 4 feet(150 to 1,200 mm)of soil). soil is unsuitable,replace unsuitable fraction with suitable soil.If suitable soil is
<br /> Note:If the water level outside the tank exceeds the height of the outlet not locally available,contact Infiltrator Systems for assistance.
<br /> pipe saddle,tank structural integrity may be compromised.Follow 2.Suitable soil shall include soil textural classes defined in the United States
<br /> Table 4 guidelines. Department of Agriculture soil triangle.Suitable soil textural classes are based
<br /> 3.Inspect bottom ot excavation to verify suitability of native soil for tank on the tank installation depth,as measured from finished grade to the top of
<br /> installation.Soils with large,protruding,or sharp stones or other similar objects tank.
<br /> that may damage the tank are not suitable. a)For a tank soil cover depth of 0.5 to 2.0 feet(150 to 600 mm),suitable soil
<br /> 4.The tank may be installed either in suitable native soil(see Backfilling the Tank textures include:
<br /> section or a minimum 4-inch 100 mm la er of well- raded ranular soil havin �����c�pv �E` ,
<br /> ) ( ) Y 9 9 9 0��s���ab�e �I
<br /> particles less than 3 inches(75 mm)in diameter,or maximum 0.5-inch(13 mm) s�rtaaa il
<br /> diameter crushed stone. � '° s°"ab1e1tli1atant
<br /> 5.Create a uniform,compacted,level surface to ensure that the bottom of the ao p "'"a"Sa�°"�v
<br /> ----J
<br /> Por sites with greater than 50%na�ive
<br /> tank is evenly supported.Verify that the installation surface is flat. , ��q� o day soil,6ackfill shall 6e septic grevel
<br /> ��o���a� or similar angular s�one,sized 1/2-inch
<br /> � f—�,E��oo;,en � Io1-1/2inches.
<br /> �/�/° s�n.�a��n ..�ke��,�oawe �/l./l�/`�'�`Y�, ao
<br /> .�/ . .e 6�,`a e mmi m��.�m �yT����%�
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<br /> INSTALLING THE TANK ��a �A"°��°" s�� �'
<br /> 100"ie5l.N�. SAN SNN 100°%SILT
<br /> 1.Inspect the tank for damage before installation. , „
<br /> 2.If the tank inlet and outlet penetrations are not drilled,drill holes using the drill e�_e���A��� ,,, ',o;,'
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