Kumeū · Drainlayer

Drainlayer in Kumeū

For a proposed soak hole in Kumeū, start by sending a site plan, roof drainage layout and any existing soakage records. The first task is to define which water needs somewhere to go, not choose a hole size.

Aerial view of an open drainage trench on the South Head site.
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  4. Job done and tidied

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Stately covers Kumeū. We use your information to plan the onsite drainage assessment and identify what the designer needs before excavation and installation are agreed.

Build a brief around the incoming water

Mark the roof areas, downpipes and paved areas proposed to feed the soakage system. Include proposed extensions, because the designer needs the intended catchment rather than just today's arrangement. Send drawings at their original scale where available. Photographs should show the proposed location, nearby structures and the route from each collection point.

For an existing soak hole, include installation drawings, maintenance records and a description of what happens during rain. Note where water appears and whether the behaviour changed after building work. Keep observations separate from conclusions. Water at a grate alone cannot tell us whether the inlet pipe, soakage structure or surrounding ground needs attention.

Locate the route before opening the ground

Onsite, we check accessible drainage points, trace the intended pipe route and compare visible features with the records. Existing services need locating before digging. We also check working access, excavation space and which surfaces will be disturbed. A neat circle on a plan rarely describes the full area needed to carry out the work.

Agree any exploratory excavation separately from the installation trench. Exposing a connection can establish its position, depth and condition before the designer finalises levels. Where the route approaches public wastewater pipes, check Watercare's requirements for working near its assets before excavation. Approval may be required, so this check belongs before the digging programme is fixed.

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Give the designer measured ground information

The designer needs evidence about the proposed location's ability to receive water. Confirm the required field testing, test positions and reporting with the designer before arranging it. Record the actual locations and ground observations so results can be matched to the drawing. An old test elsewhere on the property is background information, not a new design.

Soakage design and Auckland Council requirements must be confirmed for the actual proposal. Establish the consent position using MBIE guidance and the defined scope of work. The designer sets out capacity, location, inlet levels and the route for excess water. We use those details to plan installation rather than selecting dimensions from photographs or a neighbour's arrangement.

Lay the drainage to the agreed details

Once the design and required approvals are settled, we excavate the agreed footprint and connecting trenches. We check exposed conditions against the design information before placing the soakage components. Pipework follows the specified route and levels, with the bedding, joints and access points shown in the installation details. Existing damaged inlet sections are addressed within the agreed scope.

Restricted drainlaying must be carried out by an appropriately authorised person. Check the PGDB register for the authorisation relevant to this work. Build inspection stages into the programme before covering pipes or the soakage installation. Record levels and complete the specified drainage tests while the work remains accessible, allowing inspection findings to be resolved before backfilling.

Close the ground with a usable record

At handover, keep the design, test results, inspection records and an as built drawing together. Include photographs before covering, connection locations and access points.

Agree surface reinstatement before excavation. Identify what will be backfilled and compacted, which finishes will be restored, and any separate finishing work. Leave maintenance access visible and record its location.

Drainlayer: questions from Kumeū

Can we reuse an existing soak hole?

Send its drawings and current catchment details. The designer needs evidence of its condition and performance before including it in the proposal.

Should I arrange a soakage test first?

Ask the designer to confirm the location and testing brief first. This makes the results useful for the proposed layout.

Can landscaping start before drainage inspection?

Keep required inspection areas open until released for covering. Coordinate landscaping with backfilling and retain access to the completed system.

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022 159 2013info@statelyplumbing.co.nz

Service area: Auckland & surrounding areas. Residential, commercial, plumbing, gasfitting & drainage.

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