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LEED O+M: Schools | v4 - LEED v4

Indoor water use reduction

Possible 5 points

Intent

To reduce indoor water consumption.

Requirements

Option 1. Calculated water use (1–5 points except Data Centers, 1–4 points Data Centers)
Establishment

None.

Performance

Have fixtures that use less water than the baseline calculated in WE Prerequisite Indoor Water-Use Reduction. Points are awarded according to Table 1.

Table 1. Points for reducing calculated water use beyond the prerequisite level.

Additional percentage reduction Points (except data centers) Points (data centers)
10% 1 1
15% 2 2
20% 3 3
25% 4 4
30% 5 --

Confirm that calculations are up to date. Demonstrate that all purchases made since the end of the performance period meet the design performance requirements.

OR

Option 2. Metered water use (1-5 points except Data Centers, 1-4 points Data Centers)
Establishment

Meter fixtures and fittings, and record meter data for one year to establish a water-use baseline.

Performance

For projects with at least 80% of fixtures and fittings metered, show a reduction from the baseline year of meter data.

Table 2. Points for reducing metered water use

Percentage reduction Points (except data centers) Points (data centers)
< 5% 1 1
5-10% 2 2
10-15% 3 3
15-20% 4 4
>20% 5 --

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