Environmental Impacts of Multi-Storey Buildings Using Different ...

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Timber Plus ProjectSOFFIT FRAMINGMaterial:Species:VOC Emissions:Transport:Certification:Available:Processing Energy:Treatment required:Laserframe.Pinus Radiata (plantation grown).No solvents involved in preservative treatment.Grown / produced in New Zealand. S. Island supplies from Nelson. N. Islandsupplied from Kawerau. Trucked to merchants throughout the North and SouthIslands.FSC CoC certifiedCarter Holt Harvey Ltd. www.chh.com100% of the heat used in drying timber at the Nelson plant is derived from woodwaste. The heat used for drying at the Kawerau plant comes from the Hog Fuel(Wood Waste) and from burning the Black Liquor produced from dissolving thewood fibre in NAOH.H1.2 Boron.EXTERIOR WALL FRAMINGMaterial:Species:VOC Emissions:Transport:Certification:Available:Processing Energy:Treatment required:Notes:Laserframe MSG8.Pinus Radiata (plantation grown).No solvents involved in preservative treatment.Grown / produced in New Zealand. S. Island supplies from Nelson. N. Islandsupplied from Kawerau. Trucked to merchants throughout the North and SouthIslands.FSC CoC certifiedCarter Holt Harvey Ltd. www.chh.com100% of the heat used in drying timber at the Nelson plant is derived from woodwaste. The heat used for drying at the Kawerau plant comes from the Hog Fuel(Wood Waste) and from burning the Black Liquor produced from dissolving thewood fibre in NAOH.H1.2 Boron.Note that there is not always sufficient supply of the widely used sizes of MSG-8and MSG-10 timber. For a sizable project sufficient stocks should be secured earlyin the construction planning process.EXTERIOR CAVITY BATTENSMaterial:Species:VOC Emissions:Transport:Certification:Available:Processing Energy:Treatment required:45 x 25mm Timber Battens.Pinus Radiata (plantation grown).No solvents involved in preservative treatment.Grown / produced in New Zealand. S. Island supplies from Nelson. N. Islandsupplied from Kawerau. Trucked to merchants throughout the North and SouthIslands.FSC certifiedCarter Holt Harvey Ltd. www.chh.com100% of the heat used in drying timber at the Nelson plant is derived from woodwaste. The heat used for drying at the Kawerau plant comes from the Hog Fuel(Wood Waste) and from burning the Black Liquor produced from dissolving thewood fibre in NAOH.H3.1 ACQ.Page 16 of 21 May 2008
Timber Plus ProjectEXTERIOR WALL CLADDINGMaterial:Species:Available:Processing Energy:Treatment required:Surface Finishing:Note:TDA’s Flatline Board Sytem.Pinus RadiataCurrently this is a conceptual timber cladding system developed by Australia’sTimber Development Agency. It is not yet in production but is an “open-source”system which can be utilised by any cladding manufacturer. Theoretically thereforeit could be manufactured in New Zealand utilising locally sourced, FSC certifiedtimber.N/A.H3.1 ACQ.Factory applied stain primer. Top coat on-site with either natural or tinted stain ORopaque paint finish.Metal cavity batten system and metal vertical board jointers recommended by TDAresearch body. This system is untested in multi-storey applications and wouldneed to be subjected to rigorous checks before it could achieve building codeapproval.Finish / Maintenance Note 1: this system would have to be assessed along with its special sealer coat –as system is new to Resene. Recommendation is written as for standard stain finishonly NOT including any proprietary finish.Note 2: Stain should be applied to ALL faces of the timber prior to installation – thisincludes the back face.Note 3: Check manufacturer’s instructions for colour restrictions on substrates. Darkcolours, in both paint and stain finishes, used externally may void warranties.Note 4: Resene “Cool Colours” technology is recommended where dark coloursare specified externally.Stain FinishLife Expectancy as per Resene “Expected Life System Chart” does not includeexterior stains- Stains need reapplication every 3-5 years to maintain their propertiesincluding, colour durablity, water-repellency and mould inhibition.- Note there will be areas to any stained building where stain fades fasterthan others.Description:1 st coat:2 nd coat:3 rd coat:Exterior timbers, stains and clear finishes, waterborne stainResene Waterborne Woodsman, waterborne stainResene Waterborne Woodsman, waterborne stainApply third coat if possible after 1 st summerSystem meets Environmental Choice but not Green Star MAT 10 requirements as at 15/05/08 –as there are no allowances for stains or clear finishes currently.Paint finishLife Expectancy as per Resene “Expected Life System Chart”- SC1 New and SC2 Repaint cosmetic only – 10yrs- SC3 – repaint with wear and tear – 6 yrsDescription:Exterior timbers, waterborne satinSurface Prep:If needed Resene Timberlock, solvent-bornepreserver/conditioner1 coat:Resene Quick Dry, waterborne primer / undercoat2 coat:Resene Lumbersider, waterborne satin3 coat:Resene Lumbersider, waterborne satin*Alternatively for Semi Gloss finish use Sonyx 101, D30 or gloss finish use Hi Glo, D31System meets Environmental Choice & Green Star MAT 10 paints requirements as at 15/05/08.Page 17 of 21 May 2008
Page 1 and 2:
Environmental Impacts ofMulti-Store
Page 5 and 6:
ContentsGlossary...................
Page 7 and 8:
6.3.4.3 Maintenance related embodie
Page 9 and 10:
- 9 -GlossaryCO 2 stored - refers t
Page 11 and 12:
- 11 -Chapter 7Chapter 8Chapter 9Ch
Page 13 and 14:
- 13 -An alternative end-of-life sc
Page 15 and 16:
- 15 -designers and a shortage of b
Page 17 and 18:
- 17 -• Ministry for the Environm
Page 19 and 20:
- 19 -which it can be fashioned to
Page 21 and 22:
- 21 -For fire safety, the New Zeal
Page 23 and 24:
- 23 -buildings for low seismic are
Page 25 and 26:
- 25 -4 The Buildings4.1 Constructi
Page 27 and 28:
- 27 -the building. The basement le
Page 29 and 30:
- 29 -4.3.2 Common Design Principle
Page 31 and 32:
- 31 -Figure 4.5: South-west façad
Page 33 and 34:
- 33 -the three longitudinal frames
Page 35 and 36:
- 35 -4.3.5.2 Floor and RoofThe str
Page 37 and 38:
- 37 -4.4 Multi-Storey Timber Build
Page 39 and 40:
- 39 -Several different solutions h
Page 41 and 42:
- 41 -5 Operational Energy5.1 Gener
Page 43 and 44:
- 43 -Table 5.1: Simulation inputs
Page 45 and 46:
- 45 -Table 5.3: Areas of office en
Page 47 and 48:
- 47 -Modifying the design to achie
Page 49 and 50:
- 49 -• Standards New Zealand (NZ
Page 51 and 52:
- 51 -6 Life Cycle Assessment6.1 In
Page 53 and 54:
- 53 -6.2.3.3 Impact AssessmentThe
Page 55 and 56:
- 55 -6.3.2.2 System BoundariesThe
Page 57 and 58:
- 57 -For more information see:http
Page 59 and 60:
- 59 -6.3.3 Inventory Analysis6.3.3
Page 61 and 62:
- 61 -Table 6.2: Net tonnes CO 2 eq
Page 63 and 64:
- 63 -Growing timber takes up CO 2
Page 65 and 66:
- 65 -6.3.4 Impact AssessmentTotal
Page 67 and 68:
- 67 -8000700060005000GWP (t CO2 eq
Page 69 and 70:
- 69 -As explained above, carbon st
Page 71 and 72:
- 71 -Figure 6.10: Total embodied e
Page 73 and 74:
- 73 -Table 6.9: Total GWP of each
Page 75 and 76:
- 75 -8,0007,0006,0005,000GWP (t CO
Page 77 and 78:
- 77 -45000400003500030000GWP (kg C
Page 79 and 80:
- 79 -assumed to be identical for t
Page 81 and 82:
- 81 -6.4.3.2 Green Star Recycling
Page 83 and 84:
- 83 -Table 6.16: Green Star result
Page 85 and 86:
- 85 -The contribution of initial e
Page 87 and 88:
- 87 -results, the reutilisation sc
Page 89 and 90:
- 89 -7.1.1 Platform and Balloon Co
Page 91 and 92:
- 91 -buildings has been analysed a
Page 93 and 94:
- 93 -Figure 7.5: Construction sche
Page 95 and 96:
- 95 -8.2 Source and Availability o
Page 97 and 98:
- 97 -It would be incorrect, howeve
Page 99 and 100:
- 99 -8.5 Additional Opportunities
Page 101 and 102:
- 101 -example, removal of CCA trea
Page 103 and 104:
- 103 -The Waste Minimisation Bill
Page 105 and 106:
- 105 -9 Discussion9.1 The Building
Page 107 and 108:
- 107 -• The buildings tend to be
Page 109 and 110:
- 109 -9.4.3 Data Sets9.4.3.1 Gener
Page 111 and 112:
- 111 -The following assessment wil
Page 113 and 114:
- 113 -Table 9.1. GWP coefficients
Page 115 and 116:
- 115 -Figure 9.2 shows that the ne
Page 117 and 118:
- 117 -placing and retaining materi
Page 119 and 120: - 119 -Net CO 2 emissions - that is
Page 121 and 122: - 121 -The LVL specified for the st
Page 123 and 124: - 123 -10 ConclusionsThe following
Page 125 and 126: - 125 -building types, instead subs
Page 127 and 128: - 127 -In summary, reutilisation sh
Page 129 and 130: - 129 -• What is the ranking of t
Page 131 and 132: - 131 -• What is the comparison i
Page 133 and 134: - 133 -Connell Wagner (2007): Combu
Page 135 and 136: - 135 -Suzuki, Michiya, and Tatsuo
Page 137 and 138: - 137 -C O N C R E T E B U I L D I
Page 139 and 140: - 139 -S T E E L B U I L D I N Gm m
Page 141 and 142: - 141 -T I M B E R B U I L D I N Gm
Page 143 and 144: - 143 -T I M B E R B U I L D I N G
Page 145 and 146: - 145 -T Exterior Wall Cladding 581
Page 147 and 148: - 147 -Appendix B. Life times of bu
Page 149 and 150: - 149 -Appendix D: Transport scenar
Page 154 and 155: - 151 -Appendix F: Warren and Mahon
Page 156 and 157: Timber Plus ProjectSummary of the T
Page 158 and 159: Timber Plus ProjectGreen Star Ratin
Page 160 and 161: Timber Plus ProjectVolatile Organic
Page 162 and 163: Timber Plus ProjectThe Forest Stewa
Page 164 and 165: Timber Plus ProjectStain and Clear
Page 166 and 167: Timber Plus ProjectINTERIOR WALL CL
Page 168 and 169: Timber Plus ProjectWINDOW REVEALSMa
Page 172 and 173: Timber Plus ProjectEXTERIOR WALL CL
Page 174 and 175: Timber Plus ProjectAdditional Oppor
Page 176 and 177: Appendix AResene Expected Paint Sys
Page 178 and 179: - 152 -Appendix G: Green Star Asses
Page 180 and 181: New Zealand Forest Research Institu
Page 182 and 183: Executive SummaryA common building
Page 184 and 185: 1 IntroductionA common building des
Page 186 and 187: Timber pluso The same assumptions a
Page 188 and 189: Table 1-1-1: Weightings in Green St
Page 190 and 191: The science behind LCA is still dev
Page 192 and 193: In comparison the LCA results have
Page 194 and 195: All four buildings in this research
Page 196 and 197: 1.4 Further WorkThe difficulty in m
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