Five Reasons to Specify Homegrown Drainage Systems

Here are 5 reasons to specify drainage and waste systems from NZ suppliers:

1. Compliance with NZ regulations

The New Zealand Building Code (NZBC) ensures Kiwis have the highest standards of health, hygiene and safety in their properties, taking into account New Zealand’s unique weather and climate conditions and user requirements. For waste and drainage systems, the objective of NZBC Clauses E2 External Moisture and G13 Foul Water is:

E2.1 to safeguard people from illness or injury that could result from external moisture entering the building
G13.1 to:

(a) Safeguard people from illness due to infection or contamination resulting from personal hygiene activities; and
(b) Safeguard people from loss of amenity due to the presence of unpleasant odours or the accumulation of offensive matter resulting from foul water disposal.

Through their accompanying compliance documents, both clauses set out expectations for the design, construction and installation of waste and drainage systems to protect buildings and occupants.

These, together with relevant AS/NZS Standards, are the main resources for the design and development of drainage products here in New Zealand, ensuring NZ based manufacturers are well-positioned to supply the local market with products specifically for New Zealand’s construction industry.

2. Local knowledge for product development

Allproof draws on insights and knowledge gained through the company’s 33-year heritage of partnerships and collaborations with top New Zealand plumbers, hydraulic engineers, architects and industry bodies, such as Master Plumbers.

By utilising these relationships, Allproof has been able to grow and maintain a large product portfolio based on the critical feedback and insights from the New Zealand construction and plumbing community.

With a New Zealand-based team of over 100 tradespeople, machine operators, engineers and operations staff, Allproof’s ongoing product development programme is well equipped to implement the feedback creating innovative systems for the plumbing and drainage industry in a fast-paced and challenging climate.

This process means products have been developed with the installer in mind and the unique challenges of the New Zealand building design and construction industry they face on-site every day.

3. Investment in manufacturing processes

New Zealand’s plumbers and drainlayers want systems that perform to the highest standards and stand the test of time. Knowing that continuing investment is being made into production processes and controls gives installers confidence that products are fit for purpose in the work they are completing (reflecting back on the core objectives of the NZBC and AS/NZ Standards).

Allproof consistently invests in their manufacturing processes to control all aspects of product production and to maintain a high level of quality across the range. Engineers maintain and develop moulds in the company’s fleet of injection moulding machines, whilst a department of 30 fabricators use some of the industry’s most advanced technology to ensure accuracy and quality in Allproof’s stainless steel drainage products.

4. Accessible technical advice and assistance

Easy, first-hand access to product advice and assistance is another key advantage to using NZ made. With an in-depth understanding of the applicable Building Code clauses and Standards, Allproof’s NZ based sales team of eight are able to provide in-depth technical insights and advice for the application of the company’s drainage and waste products.

The team has a range of skills and backgrounds, including plumbers, builders and staff who have been with the company for over 12 years. The sales team help designers select and design drainage systems specific to projects, visit sites to provide technical information and installation training and to assist with measurements where possible.

5. In-house design for customised systems

Commercial projects often have unique requirements that benefit from purpose-designed drainage systems. Drawing on industry and technical knowledge, Allproof’s in-house design team are able to design drainage systems that cater for project-specific scenarios. This full in-house design service is unique to Allproof and allows the company to supply custom-designed systems with high drainage performance that cater to each site’s limitations and install requirements.

The stainless steel fabrication department then manufactures these systems to the highest level of accuracy and, before being dispatched, all products must pass a Quality Assurance process from a QA dedicated team member.

Originally published in NZ Plumber June-July 2020

About the Author:
Chris Paterson is Marketing Manager at Allproof Industries. Safeguarding Kiwis is a driving force behind Allproof’s ambition to design, develop and supply high-quality, NZmade drainage products and systems that meet this country’s unique drainage and waste system requirements.

Domestic Channel

Allproof Industries

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Environmentally conscious and economical residential linear drainage solution.

NZ Made

NZ-Owned Business

Pre-Consumer Recycled Content

Suitable for domestic purposes

NZBC E1 Surface Water:

• E1.1/E1.2: Allproof Surface water drainage systems have been designed to safeguard people from injury or illness, and other property from damage caused by surface water.

• E1.3.1/E1.3.2: When correctly selected for the scenario and installed in line with Allproof literature these systems will protect property from surface water in an event having a 10% probability of occurring annually or entering a property in an event having a 2% probability of occurring annually.

• E1.3.3: When selected and installed correctly Allproof surface water systems with convey water to an appropriate outfall using gravity, avoid the likelihood of blockages, provide access for maintenance and clearing blockages, and avoid the likelihood of damage from superimposed loads or normal ground movements.

B2/AS1 Durability: B2.3.1 - Allproof surface water drainage systems meet the requirements of B2.3.1 (b) not less than 15 years and (c) not less than 5 years.

AS 3996 Access covers and grates: Allproof surface water drainage systems have been designed to comply to the specifications and testing set out in AS 3996. By complying to this standard Allproof products are made to improve the performance of trafficable covers and grates in vehicular and pedestrian areas, thus reducing risk of injury or loss through damage.

Allthrough Balcony Drain

Allproof Industries

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The Allproof Allthrough is a unique solution to meet the requirements of multi-level balcony drainage.

NZ Made

NZ-Owned Business

The Allthrough is a drainage flange supplied with either a stainless-steel sleeve and clamp ring or one a piece solid ASA UV stabilised plastic unit. The Allthrough flange and sleeve connects to downpipe creating a visually continuous run of downpipe through balconies with integrated drainage. The clamp ring has an open and closed option for required functions.

The flange is to be rebated into the balcony substrate with membrane dressed into it, the Allthough sleeve and clamping ring is then installed directing the connecting downpipe directly into the drainage flange. When an open Allthough is used this will then allow drainage of the balcony through the downpipe and removes the requirements of further drainage fittings around the balcony.

Accepted Alternative Solution to meet standards required to protect penetrations in membrane deck while also allowing downpipes to pass through.

Cantilever Bracket

Allproof Industries

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This level threshold system is ideal for tile or paver finishes.

NZ Made

NZ-Owned Business

Level entry solution for buildings fully complying to E2 code requirements
For concrete and paved surfaces, commercial and residential

NZBC E1 Surface water:

• E1.1/E1.2: Allproof level threshold drainage systems have been designed to safeguard people from injury or illness and other property from damage caused by surface water.

• E1.3.1/E1.3.2: When correctly selected for the scenario and installed in line with Allproof literature, these systems will protect property from surface water.

• E1.3.3: When selected and installed correctly, Allproof level threshold systems will convey water to an appropriate outfall using gravity, avoid the likelihood of blockages, provide access for maintenance and clearing blockages, and avoid the likelihood of damage from superimposed loads or normal ground movements.

NZBC E2 External moisture:

• E2.7.3/Fig.17B: Allproof level threshold systems provide level entry as per Figure 17B.

• E2.7.2.1: Allproof level threshold systems comply to all clause requirements regarding-

> Channel size,

> Ability to install fall in the base of the channel,

> Outlet locations and details available for sump,

> Grate independently supported of door frame,

> Removable grate,

> Designed for appropriate load class requirements,

> Grate perforations that prevent wheelchairs and mobility aids becoming trapped,

> 12mm continuous gap.

B2/AS1 Durability: B2.3.1 - Allproof level threshold systems meet the requirements of B2.3. (b) not less than 15 years and (c) not less than 5 years.

AS 3996 Access covers and grates: Allproof surface water drainage systems have been designed to comply to the specifications and testing set out in AS 3996. By complying to this standard, Allproof products are made to improve the performance of trafficable covers and grates in vehicular and pedestrian areas, thus reducing the risk of injury or loss through damage.

Perimeter Drain

Allproof Industries

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The Perimeter Drain presents an innovative and premium solution for simplifying level threshold drainage.

NZ Made

NZ-Owned Business

Pre-Consumer Recycled Content

Allproof Level threshold solutions are designed to allow level entry to the building and be fully compliant with New Zealand standards set out in Building Code E2, External Moisture
Allproof supplies a range of E1-compliant pits and sumps that the Perimeter Drain can be connected to in order to complete the system

Design:

The grate system takes up the varying reveal between joinery overhang and slab
The grates come in a selection of materials including Glass Filed Polymer (GFP), Cast Iron and Stainless Steel that can be used to create consistency with other surface drainage in the same project (Allproof Polymer Concrete)
The grate selection accommodates for a variety of requirements including economy, performance (grate open area), safety (heelproof and slip rating) and customisation (aesthetics).

NZBC E1 Surface water:

• E1.1/E1.2: Allproof level threshold drainage systems have been designed to safeguard people from injury or illness and other property from damage caused by surface water.

• E1.3.1/E1.3.2: When correctly selected for the scenario and installed in line with Allproof literature, these systems will protect property from surface water.

NZBC E2 External moisture:

• E2.7.3/Fig.17B: Allproof level threshold systems provide level entry as per Figure 17B.

• E2.7.2.1: Allproof level threshold systems comply to all clause requirements regarding-

> Channel size,

> Ability to install fall in the base of the channel,

> Outlet locations and details available for sump,

> Grate independently supported of door frame,

> Removable grate,

> Designed for appropriate load class requirements,

> Grate perforations that prevent wheelchairs and mobility aids becoming trapped,

> 12mm continuous gap.

B2/AS1 Durability: B2.3.1 - Allproof level threshold systems meet the requirements of B2.3. (b) not less than 15 years and (c) not less than 5 years.

AS 3996 Access covers and grates: Allproof surface water drainage systems have been designed to comply to the specifications and testing set out in AS 3996. By complying to this standard, Allproof products are made to improve the performance of trafficable covers and grates in vehicular and pedestrian areas, thus reducing the risk of injury or loss through damage.

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