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ABOUT
Products
CONCRETE PIPE
BOX CULVERTS
CATCH BASINS
MAINTENANCE HOLES
HEADWALLS
FRAMES AND COVERS
STORMWATER RETENTION SYSTEMS
STONE STRONG SYSTEMS
TRENCH COVERS
PROJECTS
News & Media
NEWS
IN THE PRESS
Resources
CATALOGUE
FAQ
PRICE LIST
STONE STRONG SYSTEMS FIELD CONSTRUCTION MANUAL
PIPE & PRECAST INSTALLATION GUIDE
CONTACT
CAREERS
MAINTENANCE HOLE – MAXIMUM PIPE SIZES
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PRECAST PRODUCTS
MAINTENANCE HOLES
MAINTENANCE HOLE – MAXIMUM PIPE SIZES
NOTES
Knockouts for small diameter pipe leads 300mm and smaller can be provided in addition to what is shown.
All dimensions are in millimeters unless otherwise shown.
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Technical Drawing
Maintenance Hole Size (mm)
Maximum Pipe Size For Straight Through
Maximum Pipe Size For Right Angle
1200
1500
1800
2400
3000
3600
2400 x 1800
3000 x 1800
3000 x 2400
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