07 MECHANICAL0762p ASKIN® XFLAM performance panels in cool rooms

0762p ASKIN® XFLAM performance panels in cool rooms

Branded worksection

This branded worksection Template has been developed by NATSPEC in conjunction with ASKIN® and may be used whilst the Product Partner is licensed to distribute it. The copyright remains with NATSPEC. As with all NATSPEC worksections, it is the responsibility of the user to make sure it is completed appropriately for the project. The user should also review its applicability for local conditions and regulations. Check for the latest updated version.

Worksection application

This branded worksection Template is applicable to refrigerated cool rooms using ASKIN® XFLAM Performance Panels and components with a room operating temperature below 5°C including those operating below freezing. It includes the construction of the room and its associated refrigeration system and controls.

Guidance text

All text within these boxes is provided as guidance for developing this worksection and should not form part of the final specification. This Guidance text may be hidden or deleted from the document using the NATSPEC Toolbar or the hidden text Hide and Delete functions of your word processing system. For additional information visit FAQs at

Optional text

Text in this font (blue with a grey background) covers items specified less frequently. It is provided for incorporation into Open text where it is applicable to a project.

Related material located elsewhere in NATSPEC

If a listed worksection is not part of your subscription package and you wish to purchase it, contact NATSPEC.

Related material may be found in other worksections. See for example:

  • 0310 Concrete – combined.
  • 0315 Concrete finishes.
  • 0423p ASKIN XFLAM performance panel roofing.
  • 0434p ASKIN XFLAM performance panel cladding.
  • 0531p ASKIN XFLAM performance panel ceilings.
  • 0528p ASKIN XFLAM performance panel partition system.
  • 0612 Cementitious toppings.
  • 0631 Ceramic tiling.
  • 0651 Resilient finishes.
  • 0657 Resin based seamless flooring.

Material not provided by ASKIN® Pty Ltd

This branded worksection includes generic material which may not be provided by the Product Partner including:

  • Condensors.
  • Evaporators.
  • Refrigerant plant.

Material not included in NATSPEC

Some projects may include items not covered by NATSPEC. For these you may need to create new text or modify this text or a suitable worksection. For example:

  • Cool rooms using glycol or ammonia as refrigerant.
  • Temperature controlled rooms using sandwich panels similar to cool rooms but operating at above ambient temperature.
  • Cool rooms exposed to weather.

Design and Construct specifications

This worksection can be used as the basis for fully documented installations or for a variety of design and construct approaches in which the contractor provides all or part of the system design. Some possible approaches are:

  • Full Design and Construct: The contractor designs the whole of the installation.
  • Partial Design and Construct: The documents show most details leaving the contractor only to edit to suit project requirements.
  • Fully documented design: The documents show all necessary details for construction by the contractor.

Material relating to the contractor's design responsibilities should be located in SELECTIONS. Guidance text with SELECTIONS includes some material that must be edited to suit the project requirements and intended contractor's responsibilities.

The sample material provided in SELECTIONS assumes that the location, overall size, doors, room operating temperatures and the like are documented and that the contractor will undertake the remaining design including sizing and selecting the plant, detailing the construction and so on.

Documenting this and related work

You may document this and related work as follows:

  • Coordinate cool room details with the base building. For example, cool rooms with floors at the same level as the adjacent floor require set downs in the slab.
  • Likewise some internal finishes (e.g. floor tiles) may need to be coordinated with building finishes.
  • Show the location of refrigeration equipment on the drawings, paying attention to adequate provision of cooling air intakes and discharge.
  • Local regulations may apply, notably in relation to Work Health and Safety, health (food storage), laboratory safety and practices.
  • Access to the space above cool rooms and equipment. Sandwich panels, although rigid, may not be adequate for the applied loads.
  • If shelving and the like are to be attached to cool room walls consider the method of fixing.
  • Make sure there is adequate air flow into and away from condensing units, particularly if mounted indoors or if drop in units are documented.
  • Since cool rooms vary in temperature more than the surrounding spaces, make adequate provision to accommodate thermal movement, particularly near doors with anti-condensation heater cables.
  • If the refrigeration system uses flammable refrigerants make sure it complies with the relevant provision ofAS/NZS1677.2and the recommendations ofAIRAHFlammableRefrigerants - Safety Guide. Issues to consider include plant location, plant room size, plant room ventilation and refrigerant alarms.
  • This worksection contains text, including Optional text, which may be adapted for use in design and construct projects. See NATSPECTECHreportTR03 for information on specifying Design and Construct for mechanical services.

Specifying ESD

ASKIN® XFLAM Performance Panels consists of the following sustainable product attributes:

  • Insulated panels for thermal and acoustic performance.
  • Easy to seal slip joint facilitating efficient hermetically sealed construction to allow controlled air flow and heating and cooling of the internal environment.
  • ASKIN® XFLAM Performance Panels are 100% recyclable and may incorporate a proportion of granulated offcuts. The steel skins are recovered and recycled into new steel.
  • Include measures to minimise condensation, leading to greater equipment life and limiting risk of microbial growth.
  • Prohibition on the use of CFCs and HCFCs as blowing agents.
  • Durable components, particularly for corrosion resistance.
  • Provisions to reduce transmitted noise and vibration.
  • The ASKIN® XFLAM matrix is pH neutral, inert and resistant to water ingress.
  • An ASKIN® XFLAM production plant has an extremely low carbon footprint, nil water use and has minimal atmospheric or other emissions.
  • During its lifetime, ASKIN® XFLAM insulating material will save many times more energy through reduction of heating and cooling requirements than the energy or resources required to manufacture it.

The following may be specified by retaining default text:

  • Measures to minimise condensation to improve equipment life and limit microbial growth risk.
  • Prohibition of CFCs and HCFCs as blowing agents.
  • Durable components, particularly for corrosion resistance.
  • Provisions for reducing vibration.

Refer to the NATSPECTECHreportTR01 on specifying ESD.

1General

ASKIN® is a leading manufacturer and installer of insulated architectural facade systems, roofing systems and temperature controlled facilities in Australasia. We embrace a customer first approach in delivering sustainable, lifetime value. With a network of 12 sites throughout Australia and New Zealand, ASKIN®’s vast experience has been built upon a strong foundation dating back to 1964. ASKIN®’s culture of customer first, constant improvement, quality and safety assurance is supported with our technical expertise and ISO9001 accreditation.

1.1Responsibilities

General

Requirement: Provide refrigerated cool rooms using ASKIN® XFLAM Performance Panels, as documented.

Documented is defined in the 0171 General requirements worksection as meaning contained in the contract documents.

The Optional text in this clause may be used when the contractor is to design and select the cool rooms and associated refrigeration equipment. Use the 0701 Mechanical systems worksection to describe design parameters for mechanical systems, as a whole, including the basis for calculating the cool room capacities.

Selection parameters included in the SELECTIONS schedules should not be repeated here. The schedules’ Guidance text includes suggestions for modification to suit design and construct projects.

Design

Cool rooms are provided by specialist subcontractors on essentially a design and construct basis to meet specified performance parameters.

General

Requirement: Design refrigerated cool rooms, as documented.

Cool room design, application and calculations

Standards: Conform to the recommendations of one or more of the following:

-AIRAH Design Application Manuals.

-ASHRAE Handbooks.

-CIBSE Guides.

Methods of calculation: Manual or software that employs the data and methods in the applicable standard.

Documentation

This is a partial list of items only. Edit to suit the project. Drawings relating to whole systems should be included in the 0701 Mechanical systems worksection.

Drawings: Show the following on the drawings:

-Cool room construction details including vapour barriers and means for preventing cold bridging.

-Coordination with building elements.

-Provisions for differential thermal movement.

-Location of refrigeration equipment.

-Access to space above cool rooms and equipment.

-Location of refrigeration equipment.

-Condensate drainage.

-Details of shelving.

-Details of external and internal finishes and protection.

-Arrangement for adequate air flow into and away from condensing units.

-[complete/delete]

1.2Company contacts

ASKIN® contacts

Website:

1.3Cross references

General

Requirement: Conform to the following worksection(s):

-0171 General requirements.

The 0171 General requirements worksection contains umbrella requirements for all building and services worksections.

-0701 Mechanical systems.

The 0701 Mechanical systems worksection deals with matters common to more than one Mechanical worksection.

-0771 Automatic controls.

-0781 Mechanical electrical.

­[complete/delete]

List the worksections cross referenced by this worksection. The 0171 General requirements worksection references the Common requirements subgroup of worksections. It is not necessary to repeat them here. However, you may also wish to direct the contractor to other worksections where there may be work that is closely associated with this work.

NATSPEC uses generic worksection titles, whether or not there are branded equivalents. If you use a branded worksection, change the cross reference here.

See Related material located elsewhere in NATSPEC in the introduction Guidance.

1.4Standards

General

Refrigeration systems: To AS/NZS1677.2 and the recommendations of SAAHB40.1 and SAAHB40.2.

AS/NZS1677.2 clause 4.2 deals with the safety of persons inside cool rooms.

Flammable refrigerants: To the recommendations ofAIRAHFlammableRefrigerants - Safety Guide.

Cool rooms for food storage: To AS4674.

This standard covers matters including finishes, fixtures, fittings and lighting.

1.5Manufacturer’s documents

Technical manuals

Brochures:

Technical information:

ASKIN® provides technical information in a variety of formats including CAD files of details.

1.6Interpretation

Definitions

General: For the purposes of this worksection the following definitions apply:

-BMS: Building management system.

Building management system is the term used in AS2896 and this is a common abbreviation for it. Similar terms are DDC (direct digital control) and BAC (building automation and control system). Adjust to suit the project terminology.

-Cold room: A cool room designed to maintain a temperature between 0°C and 5°C.

-Cool room: A refrigerated space which is designed to maintain a temperature below 5°C and is used primarily for the storage of product.

This is the definition of cool room in AS/NZS1677.2. Product is used generically to apply to the contents stored and so encompasses perishable materials such as food and temperature sensitive materials such as some pharmaceuticals.

-Freezer room: A cool room designed to maintain a temperature below 0°C.

To avoid ambiguity, in this worksection the terms cold room and freezer room have not been used and instead requirements are specified in terms of room operating temperature. AS4674 uses the terms chiller and freezer without defining them.

Edit the Definitions subclause to suit the project or delete, if not required. List alphabetically after the General subclause.

1.7Submissions

Fire hazard properties

General: Submit evidence that insulation, panels and sealants conform to PRODUCTS, GENERAL, Fire hazard properties.

Manuals

Maintenance manuals: Submit ASKIN® Warranty and maintenance for care and maintenance of ASKIN® XFLAM Performance Panels including frequency of inspection and recommended methods of access, cleaning, repair and replacement.

Products

Thermal insulation performance: Submit evidence of conformance toAS/NZS4859.1.

This is primarily to verify claimed R-values for BCA compliance. For calculated values, it is important that calculations comply with AS/NZS4859.1 including de-rating in Normative Appendix K.

Samples

General: Submit a sample, drawing or photograph of each of the following:

-Wall to wall to ceiling corner joint.

-Panel to panel joint.

-Wall to floor joint.

-Door jamb.

-Floor cross-section.

Cutaway sections: For each sample, provide cutaway sections or standard drawings to permit inspection of application details including insulation materials, adhesives, mastics and fixings.

Subcontractors

General: Submit proposed ASKIN® approved installer.

Tests

The 0171 General requirements worksection covers tests in Definitions and calls for an inspection and testing plan under SUBMISSIONS, Tests.

Edit the Tests subclause to suit the project as required. Refer to NATSPECTECHnoteDES020 for more information on fire behaviour of building materials and assemblies.

Type tests: Submit results, as follows:

Type tests are carried out before the contract. However, submission of evidence of a successful type test may be called up here for requirements specified in SELECTIONS or PRODUCTS when there are no SELECTIONS.

ASKIN® can provide these reports, as required. ASKIN® products listed within this worksection meet the requirements listed below.

ASKIN® can provide BRANZ, FM and CSIRO tests reports on request.

The FM Approvals certification mark is intended to verify that the products described meet FM Approvals’ stated conditions of performance, safety and quality useful to the ends of property conservation. Visit for further information.

Fire hazard properties:

-Average specific extinction area (non-sprinklered buildings): <250m2/kg to AS/NZS3837.

.Smoke growth rate index (non-sprinklered buildings): <100 to ASISO9705 and BCASpecA2.4.

.Group number: To AS/NZS3837 and BCASpecA2.4 or ASISO9705.

ASKIN® XFLAM Performance Panel is a Group 1 Material conforming to BCASpecC1.10.

Fire hazard properties: Refer to BCASpecC1.10 Table 3 which has group number requirements for wall ceiling linings. Materials used as a finish, surface, lining, or attachment to a ceiling must be a Group 1, 2 or 3 material used in conformance with BCASpecC1.10 Table 3. Materials group number may be determined by either of the following:

  • Testing to ASISO9705.
  • Prediction to BCASpecA2.4 using data obtained by testing to AS/NZS3837.

In addition, situations without sprinkler systems must have a smoke growth rate index not more than 100 when tested to ASISO9705 and BCASpecA2.4 or an average specific extinction area less than 250m2/kg when tested to AS/NZS3837.

Refer to NATSPECTECHnoteDES020 for information on fire hazard properties.

-Fire resistance level: To AS1530.4.

If the specified fire resistance level is a requirement of the building regulatory authority, you may care to state that satisfactory evidence of that authority’s acceptance of the partition system may be submitted as alternative proof of the attainment of the specified grading, and that contractor must modify the installation without extra charge if necessary to satisfy the regulatory authority that the system complies with the specified fire resistance level.

The BCA cites AS1530.4:2005.

Warranties

General: Submit evidence of warranties for all proposed materials and components clearly defining the warranty period and any conditions.

ASKIN® standard warranty is 2 years for workmanship and 10 years for materials.

Subject to maintenance conforming to the ASKIN® Warranty and maintenance, ASKIN® standard warranty for corrosion or blistering of the skin material is 10 years for general application subject to location and can be up to 25 years depending on the substrate used and the application of it.

1.8Inspection

Notice

General: Give notice so that inspection may be made of the following:

-Floor slab: Ready for installation of subbase.

-Heated subbase: Complete before commencing floor laying.

-Vapour barrier: Installed with locating angle in position ready for wall panel installation.

-Membrane: Installed ready for placing wearing surface.

Amend to suit the project, adding critical stage inspections required.

Hold points, if required, should be inserted here. For critical installations, it may be desirable to make the above witness points into hold points.

2Products

2.1General

Product substitution

Other products: Conform to PRODUCTS, GENERAL, Substitutions in the 0171 General requirements worksection.

The 0171 General requirements worksection clause sets out the submissions required if the contractor proposes alternative products.

Refer also to NATSPECTECHnoteGEN006 for more information on proprietary specification.

Operating conditions

General: Provide equipment that operates within an ambient temperature range of 0°C to 45°C, without excessive head pressure or unstable operation.

Amend upper and lower temperature to suit the actual conditions of the project area, if necessary.

Fire hazard properties

Insulation: Fire hazard indices for all materials when tested to AS/NZS1530.3:

-Spread-of-flame index: ≤0.

Spread-of-flame index:

  • ASKIN® AZ150/AM100: 0.
  • ASKIN® Z275: 0.
  • ASKIN® PVDF: 0.

-Smoke-developed index: ≤3.

Smoke-developed index:

  • ASKIN® AZ150/AM100: 3.
  • ASKIN® Z275: 3.
  • ASKIN® PVDF: 3.

Facing materials: Flammability index when tested to AS1530.2: ≤5.

The requirements above are consistent with the BCA.

AS/NZS1530.3 is a mandatory standard in the BCA. Smoke-developed index and Spread-of-flame index are determined under AS/NZS1530.3. Flammability index is determined under AS1530.2. See BCAC1.10. See BCAC1.10. Specifiers wishing for more stringent fire performance could consider requiring that both insulation material and facing individually meet the fire hazard indices, not just as a composite material.

Materials with reflective facing: Test to AS/NZS1530.3 clause A6.

AS/NZS1530.3 clause A6, recommends that reflective surfaces (which would otherwise generally pass this test) be blackened and diagonally scored in order to simulate soot deposition onto reflective surfaces in a real fire situation.

Sealants

Materials: One-component compounds with a neutral curing mechanism, vulcanising at room temperature. Provide sealants that: