Rainwater and greywater can achieve 50-70% efficiency | Archive Titles

Table 1: Rainwater harvesting cost breakdown
	听
System tanks, filters and controls	18,000
Mains water back-up and distribution pump arrangement	4000
Non-potable distribution pipework	1000
Connections to drainage	1000
Civil works and tank installation (assuming normal ground conditions)	7000
System installation and commissioning	2000
Total	33,000

Table 2: Greywater recycling cost breakdown
听	Cost £
System tanks and controls	34,000
Mains water back-up and distribution pump arrangement	4000
Non-potable distribution pipework	4000
Greywater waste collection pipework	4500
Connections to drainage	1000
System installation and commissioning	5000
Total	52,500

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