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MAT-10 DEMATERIALISATION

Technical Clarification

Concrete and reinforcing steel combination

Technical Clarification Number
MAT10-T-OB1-0799

Guidance
2014-06-04

The GBCSA can confirm that the 20% less concrete and reinforcing steel (by mass) is a combined reduction and does not mean 20% less Concrete AND 20% less Rebar as separate items.

The GBCSA provide the following clarification relating to this issue: One of the following needs to take place:

(1) 20% less structural steel
OR
(2) 20% less concrete + reinforced steel
OR
(3) 20% less timber

 

Technical Clarification

Quantity surveyor report and short report

Technical Clarification Number
MAT10-T-OB1-0357

Guidance
2012-01-06

This Technical Clarification is applicable to Mat-3 Reused Materials, Mat-6 Steel, Mat-7 PVC Minimisation, Mat-8 Sustainable Timber, Mat-9 Design for Disassembly, Mat-10 Dematerialisation and Mat-11 Local Sourcing.
Where the ‘Documentation Requirements’ (for Design and As Built) request a ‘Short report’ and a ‘Quantity Surveyor report’, if the ‘Short report’ is prepared by the Quantity Surveyor, it is permitted that one consolidated report satisfying both ‘Documentation Requirements’ be submitted instead of two separate documents.

Where the ‘Short report’ is not prepared by the Quantity Surveyor (e.g. green building consultant, Accredited Professional, structural engineer etc.), both the ‘Short report’ and ‘Quantity Surveyor report’ must be submitted independently.

The purpose of the ‘Quantity Surveyor report’ is to validate data (e.g. quantities, costs, Project’s contract value etc.) referenced within the ‘Short report’.

 

Erratum

Green Star SA - Office v1 Technical Manual: Page 263

Erratum Number
MAT10-E-OB1-0294

Guidance
2011-08-08

Documentation Requirements, description of documentation, Quantity Surveyor report description, replace paragraph with:

“Quantity Surveyor report establishing the reference case against which the reduction in steel, concrete and reinforcing/stressing steel, timber, ductwork or piping will be measured. The report must identify the expected, standard practice scenario for the amount of the relevant material.”

 

Erratum

Green Star SA - Office v1 Technical Manual: Page 262

Erratum Number
MAT10-E-OB1-0173

Guidance
2011-01-06

Documentation Requirements, documentation table, Design section, under the heading "Where structure dematerialisation initiatives are undertaken:" delete "Extract(s) from specification(s)."

 

Erratum

Green Star SA - Office v1 Technical Manual: Page 263

Erratum Number
MAT10-E-OB1-0175

Guidance
2011-01-06

Documentation Requiremwnts, documentation table, Design section, under "Where finishes are minimised:", add a third bullet point to read "Tender Drawings".

 

Erratum

Green Star SA - Office v1 Technical Manual: Page 263

Erratum Number
MAT10-E-OB1-0176

Guidance
2011-01-06

Documentation Requirement, documentation table, As Built section, under "Where finishes are minimised:", add a fifth bullet point to read "As Built Drawings".

 

Erratum

Green Star SA - Office v1 Technical Manual: Page 264

Erratum Number
MAT10-E-OB1-0191

Guidance
2011-01-06

Documentation Requirements, description of documentation, under the "Tender/As built drawings:" heading, for the second bullet point, replace the full stop at the end of the sentence with "; and". Also, add a third bullet point to read "Drawings marked up to show, and quantify associated areas where dual-function cladding is installed.

 

Technical Clarification

Roof hardscape

Technical Clarification Number
MAT10-T-OB1-0019

Guidance
2009-02-06

A roof garden consists of vegetated area. If there is a patio area for use by occupants or serving another purpose, the project team may submit documentation demonstrating a dual purpose. It is important that the roof cladding has not simply been replaced by another material but that the other material serves a second function not typically served by roofing. Assessors will evaluate projects against the credit aim of reducing the total amount of material used.

 

Technical Clarification

Roof gardens

Technical Clarification Number
MAT10-T-OB1-0006

Guidance
2009-02-05

A roof garden serving as cladding meets the definition of ‘dual function.’ The roof garden does not need to be accessible by occupants.

 

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