INTRODUCTION This guide addresses the acceptable methods and details for installation of STAKKAbox™ Access Chambers. The purpose is to serve as a guideline, and is not intended for any specific construction project. It is understood there are alternative ways that might be required and/or recommended based on site or project conditions.
CUBIS Industries manufacture a range of covers and frames engineered to work in conjunction with its chambers. Covers and frames that are not supplied by CUBIS should be agreed to be fit for purpose prior to installation as this might adversely affect the quality of the installation.
Insert the ducts into the holes. 7.5. Duct entries should not be formed in the bottom section or the top two sections without prior approval of CUBIS Industries. 7.6. Duct entries should not be cut within 50mm from the corner.
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Overbuilding Existing Services 8. Where chambers are required to be built over existing services, STAKKAbox can easily accommodate this by either: 8.1. Cutting a duct entry in the appropriate ring section as previously described and then with a hand saw cutting from the bottom of the ring to make an open ended arch.
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10.2. On larger chambers “Acrow” props are used as bracing. These are not supplied by CUBIS. Timber footplates should be used to disperse the loads evenly over the chamber. See Table 1 for spacing details.
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Other Notes 15. STAKKAbox™ access chambers can be supplied as a fixed-depth unit which will require suitable lifting requirements if planned to be lifted as a single unit. Lifting eyes, frames or other arrangements can be installed in-factory to accommodate mechanical lifting.
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APPENDIX Specification for the Reinstatement of Openings in Highways - Appendix A8 Table A8.1 Granular Material Cohesive Material (less than 20% (20% or more granular content granular content) including cement bound material) Weight Category for compacted thickness up to for compacted thickness up to 100mm1 50mm 200mm1...
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