NYC_DEP_PurpleRoof_Calculations.xlsx

	A	B	C	D	E	F	G
1	Calculation Inputs
2		Input Areas
3		Green Roof Area		Purple Roof Area		Purple Paver Area
4	Area	1000	ft2	1000	ft2	1000	ft2
5	Soil Depth	4	in	4	in	0	in
6	Mineral Wool Depth	2	in	2	in	2	in
7	Honeycomb Depth	0	in	2	in	2	in
8	WQv	133.3	ft3	133.3	ft3	66.7	ft3
9	Vv	0.0	ft3	158.3	ft3	158.3	ft3
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11	Total WQv	266.7
12	Total Vv	316.7
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28	**Note that mineral should be maximum 1/2 the depth of the soil - 0.2 cf/cf for soil and 0.4 cf/cf for mineral wool.
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30	NYC DEP Manual Chapter 4
31	https://www.nyc.gov/assets/dep/downloads/pdf/water/stormwater/unified-stormwater-rule/uswr_nyc_stormwater_manual.pdf
32	Example Green Roof Calculation shown on Page 9
33	https://www.nyc.gov/assets/dep/downloads/pdf/water/stormwater/unified-stormwater-rule/uswr_nyc_stormwater_manual_appendix-d_smp-sizing-examples.pdf
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35	Appendix B: Nitrogen No Net Increase Calculator Guide Placeholder
36	https://www.nyc.gov/assets/dep/downloads/pdf/water/stormwater/unified-stormwater-rule/uswr_nyc_stormwater_manual_appendix-b_nitrogen-nni-calculator-guide.pdf
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38				**Purple would receive TN Removal credit equivalent to a green roof @ 35%
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