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INSTALLATION GUIDE
SI-250
277 Gallon Billy Goat
Indoor/Outdoor Kitchen Solids Interceptor
™
Contents
Special Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Getting to Know the SI-250 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-10
LIFETIME GUARANTEED GREASE INTERCEPTORS
913-951-3300 | schierproducts.com
© Copyright 2023 Schier Products Company, 01/01/23
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Summary of Contents for Schier SI-250
- Page 1 Getting to Know the SI-250 ........4...
- Page 2 SPECIAL PRECAUTIONS For Schier Solids Interceptor Installations - Failure to follow this guidance voids your warranty Do not install this unit in any manner DO NOT AIR TEST UNIT OR RISER SYSTEM! except as described in these instructions. Doing so may result in property damage, personal injury or death.
- Page 3 SPECIAL PRECAUTIONS For Schier Solids Interceptor Installations - Failure to follow this guidance voids your warranty Secure Cover Adapters Below Grade Installation Slab Requirements Cover adapters must be secured to A concrete slab to finished grade with rebar is required when installing base units in above grade installations interceptor below grade.
- Page 4 GETTING TO KNOW THE SI-250 Pickable cast iron cover (standard) 8. Inlet di user retaining nut 17. Air relief/visual access 2. Cover gasket 11. Bulkhead connection retaining nut 18. Outlet di user retaining nut 3. Safety Star® (x2) 12. Bulkhead connection gasket 19.
- Page 5 Excavate hole at least 12" larger than interceptor on all sides and 6" deeper than tank bottom. Lay a level bed of well-packed, crushed aggregate (approximately 3/4" size rock or sand, with no fines) in the base of hole. page 5 of 10 Schier | SI-250 Installation Guide...
- Page 6 Cap unused connections (all configurations) Screw in provided 4" cleanout plugs using pipe thread sealant or tape approved for use with plastics. Do not cap the inlet or outlet connections attached to the diffusers. page 6 of 10 Schier | SI-250 Installation Guide...
- Page 7 Place unit into final position and set level. Mechanically couple inlet and outlet drainage lines to unit. Do not solvent weld. Ensure all upstream fixtures are trapped. Vent per local code. Installation of 2-way cleanout tees to grade (by others) is recommended for buried installations. page 7 of 10 Schier | SI-250 Installation Guide...
- Page 8 Secure Cover Adapters Cover adapters must be secured to base units in above grade installations with increased head pressure conditions. Model SI-250 uses (2) cover adapter tie-down kits model ATD1 (sold separately). Wet or Air Test Piping Per Local Code...
- Page 9 Bring Covers Flush-to-Grade The SI-250 is ready for burial depth of 44" from finished grade to bottom of tank (or 13-1/2" to centerline of inlet). Deeper burials will require extending the cover adapters and possibly adding risers. Measure dimension X to determine riser height needed.
- Page 10 (including but not limited to tidal surge areas, floodplains and areas that receive storm water) the SI-250 must be installed with Schier model AK1 anchor kit. Model AK1 anchor kit Backfill and Finished Grade...
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