7421MO
MARLEY OPTIM DWV SANITARY SYSTEM
1
GENERAL

If you have pre-customised this work section using the "questions and answers" provided as part of the downloading process, it may be necessary to amend some clauses to suit the final project-specific version.

 

The section must still be checked and customised to suit the project being specified, by removing any other irrelevant details and adding project-specific details and selections.

 

This section relates to the supply and laying of Marley New Zealand Limited above ground gravity flow PVC-U sanitary systems for residential and commercial applications.

It includes:

Modify or extend the above description to suit the project being specified.

Written for a combined foul and grey water.

Some industrial effluent may need to be specified separately.

Provide additional project-specific clauses for specialty installations (healthcare facilities).

This section does not cover vacuum drainage systems, seek specialist advice if required.

 

Note: Residential applications include light commercial projects

1.1
RELATED WORK

Refer to 7151 SANITARY FIXTURES, TAPWARE & ACCESSORIES for sanitary fixtures.

Refer to 7123 HOT AND COLD WATER SYSTEM for potable water systems.

Refer to 7420MD MARLEY DBLUE® ACOUSTIC SANITARY SYSTEM for acoustic sanitary system.

Refer to 7142 GREYWATER SYSTEMS for greywater systems.

Include cross references to other sections where these contain related work.

Refer to electrical sections if electrical pan vents or pumps are used.

Documents
1.2
DOCUMENTS

Refer to the general section 1233 REFERENCED DOCUMENTS.  The following documents are specifically referred to in this section:

NZBC G1/AS1

Personal hygiene

NZBC G13/AS1

Foul water - Sanitary plumbing

AS 2887

Plastic waste fittings

AS/NZS 1260

PVC-U pipes and fittings for drain, waste and vent applications

AS/NZS 1462.22

Methods for test for plastic pipes and fittings - Method 22: Method for determination of pipe stiffness

AS/NZS 1462.3

Methods for test for plastic pipes and fittings - Method for determining the impact characteristics of pipes

AS/NZS 2032

Installation of PVC pipe systems

AS/NZS 3500.2:2015

Plumbing and drainage - Sanitary plumbing and drainage

Plumbers, Gasfitters and Drainlayers Act 2006

AS/NZS 3500.2:2015 is cited by NZBC, but AS/NZS 3500.2:2018 has not at the time of writing been cited by NZBC. This section uses the 2015 version as an Acceptable Solution; consult with the BCA as to their requirements if you want to use the 2018 version as an Alternative Solution.

 

Delete from the DOCUMENTS clause any document not cited. List any additional cited documents.

The following are related documents and if referred to in the work section need to be added to the list of DOCUMENTS

NZBC G12/AS1

Water supplies

NZBC G13/AS3

Foul water - Plumbing and drainage

AS/NZS 3500.0

Plumbing and drainage - Glossary of terms

AS/NZS 3500.5

Plumbing and drainage - Housing installation

BRANZ BU 364

Preventing noise in plumbing installations

DIN 1053-1

Masonry - Design and construction

DIN 4102-1, B2

Reaction to fire tests - Ignitability of building products subjected to direct impingement of flame.

DIN 4109

Sound insulation in buildings; requirements and testing

1.3
MANUFACTURER/SUPPLIER DOCUMENTS

Manufacturer's and supplier's documents relating to this part of the work:

Marley OPTIM DWV Technical Design Manual

Marley Material Safety Data Sheets

List documents relating to this part of the work, i.e. technical product/system specifications, test reports, appraisals, certification, etc. Normally they will be referred to in the text by the abbreviated title.

 

Manufacturer/supplier contact details

Company:

Marley New Zealand Limited

Web:

www.marley.co.nz

Email:

guyy@marley.co.nz

Telephone:

09 279 2799

It is important to ensure that all personnel on site have access to accurate, up to date technical information on the many products, materials and equipment used on a project.  In most cases individual products are not used in isolation, but form part of a building process.  Also a particular manufacturer's and/or supplier's requirements for handling, storage, preparation, installation, finishing and protection of their product can vary from what might be considered the norm.  Access to technical information can help overcome this potential problem.

1.4
WARRANTY - MANUFACTURER/SUPPLIER

Provide a material manufacturer/supplier warranty:

~ years:

For defects in materials and manufacture

 

Refer to Marley New Zealand Ltd for warranty conditions and details

 

  • Provide this warranty on Marley New Zealand Ltd standard form.

 

Refer to the general section 1237 WARRANTIES for additional requirements.

Modify or expand the clause to suit project or manufacturer/supplier requirements, options include:

  • Change the standard form to be used (check with the manufacturer/supplier, use the general section 1237WA WARRANTY AGREEMENT if required)
  • Commence the warranty from the date of purchase (check with the manufacturer/supplier)
1.5
WARRANTY - INSTALLER

Provide an installer warranty:

2 years:

For installation

 

  • Provide this warranty on the installer standard form.
  • Commence the warranty from the date of practical completion of the contract works.

 

Refer to the general section 1237 WARRANTIES for additional requirements.

Modify or expand the clause to suit project or installer requirements, options include:

  • Change the standard form to be used (check with the installer use the general section 1237WA WARRANTY AGREEMENT if required)
  • Commence the warranty from the date of installation (check with the installer)
Requirements
1.6
QUALIFICATIONS

Plumbers to be experienced competent workers, familiar with the materials and the techniques specified.  Carry out all work under the direct supervision of a certifying plumber under the Plumbers, Gasfitters and Drainlayers Act 2006.

1.7
NO SUBSTITUTIONS

Substitutions are not permitted to any of the specified systems, components and associated products listed in this section.

1.8
PIPEWORK LAYOUTS

~

It is sometimes necessary to call for diagrammatic pipework layouts from the plumber prior to installation.  This will depend on the degree of detail provided elsewhere and on whether to some degree at least the design of the system is a contract requirement.

1.9
INFORMATION FOR OPERATION AND MAINTENANCE

Provide the following general operation and maintenance information as electronic PDF format documents:

~

Use this clause to list requirements of information that is required but which does not warrant a separate specialist operation and maintenance manual.  Amend the clause if hard copy documents are required.

 

Provide this information prior to practical completion.

The general section 1234 DOCUMENTATION describes the process of as built documentation.  Modify the  PROVIDE OPERATION AND MAINTENANCE INSTRUCTIONS clause in that section to describe the general project requirements if necessary.

1.10
AS BUILT DOCUMENTS

Refer to the general section 1238 AS BUILT DOCUMENTATION for the requirements for submission and review of as built documents and records.

 

Provide the following as built documents and records:

~

 

  • Provide draft as built information prior to practical completion.
  • Provide final as built information prior to the end of the defects liability period.

The general section 1238 AS BUILT DOCUMENTATION (or 1234 DOCUMENTATION if not available) describes the process of submission and review of as built documentation.  Use this clause to describe the specific requirements of what the required as built documents are to include.

Compliance information
1.11
INFORMATION REQUIRED FOR CODE COMPLIANCE

Provide the following compliance documentation: -

  • Installer's approval certificate from the manufacturer / importer / distributor
  • Manufacturer's, importer's or distributor's Certificate of Conformance
  • Installer's warranty
  • Producer Statement - Construction from the installer
  • Producer Statement - Construction Review from an acceptable suitably qualified person
  • Other information required by the BCA in the Building Consent Approval documents.

List the Producer Statements - Construction (PS3) required from installers that are required as a condition of carrying out this work.

List also Producer Statements - Construction Review (PS4) required from consultants to be engaged by the Contractor.

Producer Statement - Design (PS1), may be required where certain design work is undertaken by the Contractor or manufacturer / importer / distributor.

Performance
1.12
TESTING

Confirm timing before carrying out any tests.  Supply potable water and apparatus needed.  Test to NZBC G13/AS1 or AS/NZS 3500.2, 15 as required.  Carry out and record a visual inspection that each joint showed no evidence of leaks.

2
PRODUCTS
Materials
2.1
PVC-U DWV PIPEWORK - RESIDENTIAL

Marley PVC-U DWV pipework comprised of unplasticised PVC waste pipes, traps and fittings manufactured to AS/NZS 1260, tested to AS/NZS 1462.22 and AS/NZS 1462.3, and compliant with AS/NZS 3500.2.  Available in a range of pipe types with nominal size DN20 to DN150 and stiffness class SN4 and SN6.  Refer to SELECTIONS for options.

2.2
PVC-U DWV PIPEWORK - COMMERCIAL

Marley PVC-U DWV pipework comprised of unplasticised PVC waste pipes, traps and fittings manufactured to AS/NZS 1260, tested to AS/NZS 1462.22 and AS/NZS 1462.3, and compliant with AS/NZS 3500.2.  Available in a range of pipe types with nominal size DN 100 to DN 375 and stiffness class SN8 and SN10.  Refer to SELECTIONS for options.

2.3
PVC-U VENT PIPES

Marley PVC-U vent pipes comprised of unplasticised PVC including fittings and accessories manufactured to AS/NZS 1260, tested to AS/NZS 1462.22 and AS/NZS 1462.3, and compliant with AS/NZS 3500.2.  Available in a range of pipe types with nominal size DN 40 to DN 100 and stiffness class SN4 to SN10.  Refer to SELECTIONS for options.

2.4
EXPOSED PIPES AND TRAPS - PLASTIC

To AS 2887.  White polybutylene or PVC or chromed plastic exposed pipes, traps and wastes, including all associated fittings, refer to SELECTIONS.

Other than PVC-U

2.5
EXPOSED PIPES AND TRAPS - CHROME

To AS/NZS 3500.2.  Satin chrome plated exposed pipes, traps and wastes including all associated fittings refer to SELECTIONS.

2.6
FLOOR WASTE GULLY

Marley FWG Assembly to AS/NZS 3500.2, comprised of:

  • floor grate
  • Marley leak control flange
  • Marley riser pipe
  • Marley 4-way boss junction
  • Marley waste pipe
  • Marley adjustable floor gully.
2.7
FLOOR WASTE

Vinyl Rite Floor Waste System, with solvent joint and standard white PVC grate.  Available in a range sizes and grate types, refer to SELECTIONS for options.

2.8
GULLY TRAP

Refer to 7461 FOUL WATER DRAINAGE for gully traps.

Components
2.9
PROTECTIVE TAPE

Plasticised PVC tape system with primer, mastic fixing and outer coating.

Accessories
2.10
FIRE RESISTANT SEALERS, STRIPS, COLLARS AND PANELS

Fire rated sealer and associated fire retardant strip, fire resistant collars and fire resistant moulded mineral fibre refractory panels, to the manufacturer's requirements.

Sealers used for caulking the hole around the pipe, foam sealer for slots accommodating several pipes, and strip for plastic plumbing services.

Clause suitable for residential and light commercial, for larger commercial projects refer to 7382 FIRE STOPPING SYSTEMS.

3
EXECUTION
Conditions
3.1
EXECUTION GENERALLY - NZBC G13/AS1

Carry out this work to NZBC G13/AS1 and NZBC G1/AS1 and complete all tests to G13/AS1, 7.1 Test Methods.

Delete this clause if using AS/NZS 3500.2 / NZBC G13/AS3.

3.2
EXECUTION GENERALLY - AS/NZS 3500.2

Carry out this work to AS/NZS 3500.2 and complete all tests to AS/NZS 3500.2, 15 Testing of Sanitary Plumbing and Sanitary Drainage Installations.

Delete this clause if using NZBC G13/AS1.

3.3
ELECTROLYTIC ACTION

Avoid electrolytic action by eliminating actual contact or continuity of water between dissimilar metals.

Extend this clause where particular project issues justify additional information and guidance

3.4
HANDLE AND STORE

Handle and store pipes, fittings and accessories to avoid damage.  Store on site under cover on a clean level area, stacked to eliminate movement and away from work in progress.

3.5
SETTING OUT

Set out location of all stacks, discharge pipes, fittings and vent pipes and the completeness of their discharge into the drainage system.

3.6
CORE HOLES AND SLEEVES

Fit core holes and sleeves as needed throughout the structure in conjunction with the boxing, reinforcing and placing of concrete.  Sleeve diameter to be 25mm larger than outside diameter of pipe accommodated.  Strip core holes and make good after installation of pipework.

3.7
PIPE ACCESS

Fit and fix stacks, wastes and pipes in ducts independent of all other services so they are easily replaceable for their full length.  Wrap or tape pipes buried in concrete.

3.8
FITTINGS ACCESS

Fit and fix traps and wastes to enable access for cleaning and for maintaining the total system.

3.9
CONFIRM LOCATION

Unless the location and height are clearly delineated on the drawings, confirm installation height and plan locations of sanitary fittings before commencing the piping installation.

3.10
CORROSION

Separate metals subject to electrolytic action from each other and from treated timber, concrete and other lime substances by space, painting of surfaces, taping, or separator strips.

Installation - traps and wastes
3.11
TRAPS AND WASTES - CONCEALED

Conceal traps and wastes in the fabric of the building in accordance with manufacturer's requirements.

3.12
TRAPS AND WASTES - EXPOSED PLASTIC

Fit and fix white polybutylene or PVC or chromed plastic exposed pipes, traps and wastes, including all associated fittings in accordance with manufacturer's requirements.

3.13
TRAPS AND WASTES - EXPOSED CHROME

Fit and fix satin chrome plated exposed pipes, traps and wastes in accordance with manufacturer's requirements.

3.14
INSTALL GULLY TRAPS

Refer to 7461 FOUL WATER DRAINAGE for installation of gully traps.

Installation - jointing
3.15
JOINTING PVC-U PIPE - SOLVENT WELDED JOINTS

Prime and solvent weld joints using spigots and sockets to Marley requirements.

Jointing to be in accordance with Marley OPTIM DWV jointing procedures as shown in the Marley OPTIM technical manual.

Used for smaller pipe sizes up to and including DN175.

3.16
JOINTING PVC-U PIPE - RUBBER RING JOINTS

Install flanged joints and seal ring compression joints to Marley requirements.

Jointing to be in accordance with Marley OPTIM DWV jointing procedures as shown in the Marley OPTIM technical manual.

Used for pipe sizes 100DN and greater.

Installation - fixing
3.17
THERMAL MOVEMENT

Accommodate longitudinal movement in pipes resulting from temperature changes.  Incorporate expansion joints in PVC-U pipes.  Install PVC pipes to AS/NZS 2032.  Take particular care to allow for movement at horizontal take-off locations from stacks.

3.18
TRAPS AND FIXTURE DISCHARGE PIPES

Size traps and pipes as required for each fixture or appliance.  Establish the developed length of waste pipes.  Vent and allow access for cleaning as required.  Follow the most direct line with the least number of bends to NZBC G13/AS1: Foul water sanitary plumbing, table 4, Discharge unit loading for stacks and graded discharge pipes and table 7, Distance between supports.

3.19
DISCHARGE STACKS AND VENTS

Size stacks and vents to NZBC G13/AS1: Foul water sanitary plumbing, table 2, Fixture discharge pipe sizes and discharge units and table 6, Vent pipe sizes.  Extend up past the highest branch to form a discharge stack vent terminating to NZBC G13/AS1: Foul water sanitary plumbing, figure 12 and finishing at the base with a 45 degree bend.  Support system to NZBC G13/AS1: Foul water sanitary plumbing, table 7, Distances between supports.

Installation - pipework for waterless urinals
3.20
URINAL DISCHARGE PIPES

Size pipes as required for each urinal.  Establish developed length of waste pipes, vent as required, and allow access for cleaning.  Follow the most direct line with the least number of bends to NZBC G13/AS1: Foul water sanitary plumbing, table 4, Discharge unit loading for stacks and graded discharge pipes and table 7, Distances between supports.

Waterless urinals must be connected directly to PVC, not to copper or brass, as undiluted urine may corrode copper or brass pipe.

Installation - fire resistant penetrations
3.21
INSTALL FIRE RESISTANT SEALERS, STRIPS, COLLARS AND PANELS

Install fire resistant, sealers, strips, collars and panels in accordance with the fire retardant manufacturer's requirements.

Clause suitable for residential and light commercial, for large commercial projects refer to 7382 FIRE STOPPING SYSTEMS.

Completion
3.22
ROUTINE CLEANING

Carry out routine trade cleaning of this part of the work including periodic removal of all debris, unused materials and elements from the site.

Use this standard generic clause and add additional specific requirements.

ESD note:  Re-cycling is addressed in the general section WASTE MANAGEMENT; amend this clause if it is to apply to this section.

3.23
DEFECTIVE OR DAMAGED WORK

Repair damaged or marked elements.  Replace damaged or marked elements where repair is not possible or will not be acceptable.

Use this standard generic clause and add additional specific requirements.

Commissioning
3.24
TESTING

Pre-test all pipework during construction.  On completion of the work and before approval for acceptance of the pipework, carry out a final test to the approval of the engineer and if required witnessed by the representative of the territorial authority.

4
SELECTIONS

For further details on selections go to www.marley.co.nz

Substitutions are not permitted to the following, unless stated otherwise.

If substitutions are permitted modify the statement above, ensure the NO SUBSTITUTIONS clause from GENERAL is treated the same.

 

Select the options to suit the project and delete options not specified.

Materials - sanitary systems
4.1
MARLEY PVC DWV PIPEWORK, RESIDENTIAL

Location:

~

Manufacturer:

Marley New Zealand Limited

Pipe brand/type:

Marley~

Pipe diameter:

~

Jointing:

~

Stiffness class:

~

Fittings:

Marley~

Options:

Pipe brand/type:

Marley Optim

Pipe diameter:

20mm, 32mm, 40mm, 50mm, 65mm, 80mm, 100mm, 150mm

Jointing:

Solvent joint (for smaller pipe sizes up to and including DN175) or Rubber ring joint (for pipe sizes 100DN and greater)

Stiffness class:

SN4, SN6

Fittings:

Refer to Marley DWV Technical Design Manual for information on product range

4.2
MARLEY PVC DWV PIPEWORK, COMMERCIAL

Location:

~

Manufacturer:

Marley New Zealand Limited

Pipe brand/type:

Marley~

Pipe diameter:

~

Jointing:

~

Stiffness class:

~

Fittings:

Marley~

Options:

Pipe brand/type:

Marley Optim

Pipe diameter:

20mm, 32mm, 40mm, 50mm, 65mm, 80mm, 100mm, 150mm, 175mm, 225mm, 300mm, 375mm

Jointing:

Solvent joint (for smaller pipe sizes up to and including DN175) or Rubber ring joint (for pipe sizes 100DN and greater)

Stiffness class:

SN4, SN6, SN8, SN10

Fittings:

Refer to Marley DWV Technical Design Manual for information on product range

4.3
MARLEY PVC-U VENT PIPE

Location:

~

Manufacturer:

Marley New Zealand Limited

Pipe brand/type:

Marley~

Pipe diameter:

~

Jointing:

~

Stiffness class:

~

Fittings:

Marley~

Options:

Pipe brand/type:

Marley Optim

Pipe diameter:

40mm, 50mm, 65mm, 80mm, 100mm

Jointing:

Solvent joint (for smaller pipe sizes up to and including DN100) or Rubber ring joint (for pipe size 100DN)

Stiffness class:

SN4, SN6, SN8, SN10

Fittings:

Refer to Marley DWV Technical Design Manual for information on product range

4.4
EXPOSED PIPES AND TRAPS - PLASTIC

Location:

~

Manufacturer:

~

Brand:

~

Material/type:

~

Options:

Material/type:

White polybutylene, PVC or chromed plastic

4.5
EXPOSED PIPES AND TRAPS - CHROME

Location:

~

Manufacturer:

~

Brand:

~

Material/type:

Satin chrome plated

4.6
MARLEY FLOOR WASTE GULLY

Location:

~

Manufacturer:

Marley New Zealand Limited

Brand:

Marley FWG

Floor grate:

~

Options:

Floor grate:

168-80DW, 168-100RDW, 168-80SQW, 168-100SQW, 169-100

4.7
MARLEY FLOOR WASTE SYSTEM

Location:

~

Manufacturer:

Marley New Zealand Limited

Brand:

Vinyl Rite Floor Waste System

Joint:

Solvent joint

Grate:

~

Options:

Grate:

Chrome plated brass 100DN-VR100CP, Chrome plated brass 80DN-VR80CP, Stainless steel round 100DN-VR100SS, Stainless steel round 80DN-VR80SS, White PVC 100DN-VR100WH, White PVC 80DN-VR80WH

Components
4.8
PROTECTIVE TAPE

Manufacturer:

~

Brand:

~

Width:

~mm

Accessories - fire resistant penetrations
4.9
FIRE RESISTANT SEALER

Manufacturer:

~

Type/number:

~

4.10
FIRE RESISTANT FOAM SEALER

Manufacturer:

~

Type/number:

~

4.11
FIRE RESISTANT STRIP

Manufacturer:

~

Type/number:

~

4.12
FIRE RESISTANT COLLARS

Manufacturer:

~

Type/number:

~

4.13
FIRE RESISTANT PANELS

Manufacturer:

~

Location:

~

Size:

~

Layers/thickness:

~

Fire resistance rating:

~