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Pit Installation Services
If there is a need for wastewater, rainwater or stormwater solutions, choosing top pit installation services is critical and will be a great help. This must be done by excavation specialist due to safety requirements.
The excavators have to check first if there are any existing services like power and water before commencing work. They know what certain equipment to use to excavate a hole with required width and depth.
The unit itself has to be of the right size to work effectively. It also requires a filtration system to avoid clogging the drains. It can be made of concrete but many users are now opting for recycled plastics.
Here are components of this unit:
Light-duty with plastic bases, designed for rainwater
Heavy-duty with polypropylene as a base in different sizes specific for stormwater
Filter lids that are made from plastic or aluminium
Filtering devices such as leaf guards and oil separators
The system could be precast, custom or modular with cover, lid, grates, and incremental riser sections. Differing shapes are available to choose from that mostly have provisions for attaching the drainage pipes.
Each project is unique but the people hired for this activity observe the same relevant regulation codes and standards.
Professional Pit Installers
Some projects need specialised instructions but in general, here is the step-by-step guide.
Before actual excavation to begin, determine exactly where will be the positions of your conduit entries. Simply mark out where the entry will be made. Carefully form holes by using drill, hammer or grinder with masonry disc.
Excavation must be dug neatly from a natural compacted ground to the necessary levels dictated by the authority. If there’s any soft or unwanted material present, it must be removed. Also, the area under it must be compacted with granular materials as support and levelled to the needed dimension.
Any connection to be attached shall be in compliance with the directives of authorities and Australian Standard. And to make a strong watertight joint, extension riser joints have to be sealed with the approved epoxy cement mortar.
For a backfill, it is a minimum requirement to have a 50mm layer of 4:1 ratio of sand to cement mortar to the top of the conduit while at least 300mm on all sides is necessary. Compaction must be done without the cover fixed to it to prevent deflections.
All these processes are too heavy to do-it-yourself and best left to professional pit installers. Just ensure that the excavation specialist is well-trained and licensed, or better insured.
Ask for a detailed quote specifying all the works involved and the payment scheme. It will be an added point to request for a reference for the similar job done in the past.
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