Identifying the barriers and drivers to the uptake of WSD in South - PowerPoint PPT Presentation

Identifying the barriers and drivers to the uptake of WSD in South Africa David Ellis WRC K5/2412 and K5/2413 Second Reference Group Meeting 11 th November 2015 www.wsud.co.za Urban Water Management

2 Background • On going academic research in WSUD (or similar). • Concurrent activity in the public and private spheres with many projects implemented. • However, what has been done, why and to what effect remains largely unpublished in RSA. Urban Water Management

3 Objectives & Method Summary • Establish a scoping process to benchmark WSD practice • Prioritise +/- 20 exemplars for review as case studies; • Identify the drivers and barriers to WSD uptake through the consultation of project professionals ; • Synthesise lessons learnt from each case study; and • Distribute information through the WSD project database ; facilitating transfer of knowledge to a greater audience. Urban Water Management

4 WSD Project Database • Distribute all information in public database via the WSUD website (www.wsud.co.za) • Database aims to benefit a variety of interested parties. • Different levels of information for different audiences. 3 2 1 Urban Water Management

5 What is Happening? 31% of new or redeveloped buildings considered 140 green in 2012 (McGraw-Hill, 2013). 120 100 No. of Projects 80 Opportunity missed? 60 40 20 0 1998 2000 2002 2004 2006 2008 2010 2012 2014 2016 GBCSA Register Project Register Urban Water Management

6 What is happening? Popularity of BMP categories in ‘Green’ projects % of captured projects 70% 60% 50% 40% 30% 20% 10% 0% Urban Water Management

7 Looking Deeper Popularity of alternative supply subtypes in ‘Green’ projects 30% % of captured projects 25% 20% 15% 10% 5% 0% Urban Water Management

8 Why: GBCSA Driver 74% of green buildings certified by GBCSA , 2012 – 2013 140 (McGraw-Hill, 2013). 120 WHY? No. of Certifications • 100 Doing the right thing; • Lower operating cost for tenant; 80 • Better working environments for tenants (more productive) 60 • Higher ROI for developer, etc. • Marketing potential. 40 20 0 2008 2009 2010 2011 2012 2013 2014 2015 Year All Tools Office EBP Interiors MUR PEB Retail Urban Water Management

9 Why: GBCSA Driver – Benefits • Well documented process. • Benefits from informed ESD consultants. • Better ‘fit for purpose’ application of alt. supplies; • Well guided SuDS implementation, etc. Urban Water Management

10 Why: GBCSA Driver – Limitation But there is room for improvement: 140 • Poor representation of water, especially SW; • Poor correlation between design and as-built ratings (30%); 120 • Does not cross sectors well; No. of Certifications 100 • Calculators taken too literally, masks true benefit; • No post-implementation monitoring; 80 • Limited maintenance planning requirements; and 60 • Costly. 40 20 0 2008 2009 2010 2011 2012 2013 2014 2015 Year All Tools Office EBP Interiors MUR PEB Retail Urban Water Management

11 Why: Disclosure Drivers Some disclosure mechanisms: • 2000: The Communication on Progress (COP) – UN Global Compact (75 participants in RSA) • 2000: Global Reporting Initiative (GRI) • 2004: Carbon Disclosure Project (CDP) • 2004: JSE Socially Responsible Investment (SRI) Index (Local) Woolworths Distribution Centre (Centurion) – Alternative supplies Urban Water Management

12 Why: Disclosure Drivers G4- EN22: “therefore we do not feel it is necessary to monitor wastewater discharges by quality or destination .” • Sweeping statement in RSA context. • Where is stormwater? Urban Water Management

13 Why: Legislation / Approval Driver • Space constraints; • Physical constraints (difficult levels); • Sensitive Environments; • Infrastructure constraints; • Service level restrictions; etc. Urban Water Management

14 Why: Legislation / Approval Driver The Falls PnP – Stormwater and Town planning by-laws – space constraint ICBD – Stormwater impacts policy – space and level constraints Urban Water Management

15 Why: Legislation / Approval Driver Ridgeside – Stormwater / environmental approvals – sensitive environment and infrastructure Cotswold Downs –– Environmental approvals – sensitive environment and restricted services Urban Water Management

16 But to what effect? Almost every case study had a BMP that was not functioning correctly. • Lack of WSD guidance in planning and design. • Poor operation and maintenance due to uninformed or non-existing facilities managers. • So there is the Good, the Bad and the Ugly. Urban Water Management

17 The Good Water demand (k l ) 50 40% less potable water used 40 30 20 10 0 14-Aug 22-Nov 02-Mar 10-Jun 18-Sep 27-Dec 06-Apr Municipal Supply RWH Total Demand Lebone II – Rustenburg Group 5 HQ – JHB MyCiti Bus Depot – CPT 85% saved Urban Water Management

18 The bad and the ugly DPW – Ixopo Woolworth DC – TSH Pick n pay DC – CPT Woolworth DC – TSH Lebone II – Rustenburg Bishops Court – ETH Urban Water Management

19 Conclusions • The time is now. • GBCSA and disclosure mechanisms are important players in RSA; • But ratings and disclosures are not holistic enough; and • Legislation and approval mechanisms need greater design guidance, maintenance planning and monitoring requirements. Urban Water Management

Thank you To add to the debate / give your views go to www.wsud.co.za Urban Water Management

21 Method: Scoping Process • Capture developments in WSD projects register by seeking input from practitioners • Priorities identified developments for review as case studies: • Research Opportunity (How productive.) • Strategic Value (How unique.) Urban Water Management

22 And Deeper Popularity of end uses by different alternative supply subtypes Landscape Other irrigation Car/Motor Surface abstraction washing WWTP effluent use Toilet flushing Groundwater use HVAC fluid Blackwater recycling Potable water Greywater recycling Recreation Stormwater harvesting Unspecified Rainwater harvesting Urban Water 0% 20% 40% 60% 80% 100% Management

23 Disclosure Drivers: Woolworths DC Aim Target reduction 2014 Achieved 2015 Water use across stores per 50% 41.35% square metre Water use at head office 70% 55% Water usage per DU Target 0.00092 kl per DU Achieved 0.00079 kl per DU at DC’s Urban Water Management

24 GBCSA Driver – Benefits • Well documented process. • Benefits from informed ESD consultants. Landscape GWR irrigation Certified SWH Car/Motor washing RWH Toilet flushing GWR Non-Certified Potable water SWH Recreation RWH Unspecified 0% 20% 40% 60% 80% 100% Urban Water Management