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INSTALLATION (1of2) <br /> WARNING!DO NOT AIR TEST UNIT OR TELEGLIDE Native soil <br /> RISER SYSTEM!Doing so may result in property damage, Backfill <br /> personal injury or death. Well packed base <br /> Concrete slab <br /> LEAK/SEAL TESTING Finished grade <br /> Adapter <br /> Cap/plug all base unit plumbing connections and remove covers.For base Riser <br /> unit testing,fill with water tojust above the highest connection.For riser <br /> system testing(if required)fill with water to finished grade level.CAUTION: <br /> Risers must be supported before filling with water to prevent tipping. ` <br /> Inspect unit,connections and all gaskets and clamps(if applicable)for leaks. = it <br /> Check water level at specific time intervals per local code. / � .77 <br /> GENERAL INSTALLATION INSTRUCTIONS <br /> Schier grease interceptors are manufactured with an internal flow control coontro II ® ® 1i 1111 <br /> system.They do not require an external flow control system or air intake plate <br /> vent.Schier grease interceptors are not to be installed in any other <br /> manner except as shown.Consult local codes for separate trapping <br /> requirements,cleanout locations and additional installation instructions. <br /> Ildl II n'II I I III II Ildl II�ll1,-� � 11�' <br /> 1. The flow control plate is installed on this unit.When the unit is <br /> installed in a low flow/low head pressure condition(with a flow rate <br /> below 35 GPM),the flow control plate may be removed.Consult a <br /> Schier Representative before removing flow plate. <br /> 2. Set unit on level solid surface as close as possible to fixtures being served. FLOW CONTROL EXCAVATIONAND <br /> 3. Connect outlet diffuser to the desired outlet(A,B,C).Unit is shipped with PLATE DETAIL BACKFILL DETAIL <br /> the outlet diffuser in location B and sealing caps on locations A and C. <br /> 4. Connect inlet and outlet drainage lines to unit.Mechanically couple <br /> pipes to unit.Do not solvent weld. <br /> NOTE:Do not install below a hydrostatic slab. Riser to Grade Finished grade <br /> BELOW GRADE INSTALLATION INSTRUCTIONS <br /> EXCAVATION <br /> 1. Surrounding soil must be undisturbed soil or well compacted <br /> engineering fill. <br /> 2. Width and length of excavation shall be a minimum of 12"greater than <br /> the tank on all sides and depth shall be 6"deeper than tank bottom. <br /> 3. Set the tank level on a 6"deep layer of well-packed crushed aggregate <br /> material and connect waste piping per General Installation Instructions. Recommended 2-Way <br /> cleanout BACKFI LL (by others) <br /> e to grade <br /> 1. Preparation of sub grade per geotech recommendations. <br /> 2. Stabilize and compact sub grade to 95%proctor. <br /> 3. Fill unit with water before backfilling to stabilize unit and prevent float-out <br /> during backfilling.Secure covers and risers(if necessary)to the unit. SIDE VIEW DETAIL <br /> 4. Backfill evenly around tank using crushed aggregate(approximately 3/4" <br /> size rock or sand,with no fines),or flowable fill.Do not compact backfill <br /> around unit. TOP VIEW <br /> 18 y t 18" <br /> FINISHED CONCRETE SLAB min min <br /> Slab must extend 18"minimum outside the unit footprint. i__ _ T Tom% - r-' T <br /> Concrete Slab y l -v i�1-,� y\ —T-1 18"min <br /> Pedestrian traffic or greenspace areas:4"Thick reinforced concrete %1 <br /> slab required. <br /> 44 <br /> Do not install in vehicular traffic areas. <br /> I I ��I `I��,I�� I ��ti� Y I I I <br /> --�- -F'nY� --- -- -+--1 18"min <br /> T <br /> ELEVATION VIEW <br /> Finished grade 2" <br /> ------------------------ 4„ <br /> DETAILCONCRETE SLAB <br /> . MODEL NUMBER: DESCRIPTION:Polyethylene Grease Interceptor <br /> GB-35 35 GPM-35 gallon capacity <br /> - PART it:4020-001-XX DWG BY:B.Karrer DATE:10/08/2015 REV: 4 10/13/2017 ECO: <br /> 057-0840-02 page 4 of 6 <br />