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									WATER USE REDUCTION FORM
Credit W 2.1R, W 2.2R and W2.3R
                                                                                              NYC Green Schools Rating System
Project:                                                                                                                                            Page 1 of 2
Address:                                                                                        Engineer:
LLW:                                                                                            Preparer:
Date:                                                                                         Telephone:


School in Full Operation
                                                                                                         Fill In Only the three Un-     Fill In Only the one Un-
BASE CASE                                                                                                       Shaded Boxes                   Shaded Box
Base Case                                                                Flow Rate         Duration                                       Sewage Generated
Flush Fixture Type                                       Daily Uses         [gpf]           [Flush]          Occupant Users                       [Gal]
Conventional Water Closet             male                      1.00              1.6           1.0                                   0                        0
Conventional Water Closet           female                      3.00              1.6           1.0                                   0                        0
Conventional Urinal                    male                     2.00              1.0           1.0                                   0                        0

Base Case                                                                  Flow Rate       Duration                                       Sewage Generated
Flow Fixture Type                                        Daily Uses           [GPM]         [Flush]          Occupant Users                    [Gal]
Conventional Lavatory                                           3.00              2.5           15.0                                  0                            0
Shower                                                          0.10              2.5          300.0                                                               0
Food Service Area Sink                                          1.00              2.5           15.0                                  0                            0

                                               Total Design and Base Case "School In Full Operation" Uses by All Occupants                                         0
                                                                Total Base Case "School In Full Operation" Daily Volume [Gal]                                      0
                                                                                         Annual Days School In Full Operation                                    180
                                                                       Total Base Case Annual "School in Full Operation" Volume                                   0


                                                                                                        Fill In Un-Shaded Boxes
DESIGN CASE                                                                                                        Below

Design Case                                                              Flow Rate         Duration                                       Sewage Generated
Flush Fixture Type                                       Daily Uses         [gpf]           [Flush]          Occupant Users                    [Gal]
Conventional Water Closet             male                      1.00              1.6            1.0                                  0                            0
            Dual Flushometer Water Closet       female          1.00              1.6            1.0                                  0                            0
            Dual Flushometer Water Closet       female          2.00              1.1            1.0                                  0                            0
           High Efficiency Urinal                 male          2.00              0.5            1.0                                  0                            0


Design Case                                                                Flow Rate       Duration                                       Sewage Generated
Flow Fixture Type                                        Daily Uses           [GPM]           [sec]          Occupant Users                    [Gal]
Aerated Lavatory w/Automatic Shut-Off Control                   3.00              0.5           12.0                                                               0
Low Flow Shower                                                 0.10              1.8          300.0                                                               0
Food Service Area Sink                                          1.00              1.6           15.0                                                               0

                                               Total Design and Base Case "School In Full Operation" Uses by All Occupants                                         0
                                                              Total Design Case "School In Full Operation" Daily Volume [Gal]                                      0
                                                                                          Annual Days School In Full Operation                                   180
                                                                            Total Design Case "School in Full Operation" Volume                                   0

                                                                Sub-Total: Water Use Reduction for "School in Full Operation"                            #DIV/0!
Notes:
1. Figures in shaded boxes are based on EPA 1992 per LEED (base case), SCA standards (design case) or are calculated by this spreadsheet. No
design team revision required.
2. Figure entered by Design Team for occupant users for "conventional lavatory" should include all combined total of all students and staff. (From this
figure spread sheet will calculate occupant users for water closets and urinals for design and base case using 50/50 assumption).
3. Staff includes all adult "full time equivalent" adult occupants of the building - such as teachers, administrators, custodial and food services staff. Full
Time Equivalent refers to the fact that if there are four half time staff, they would be counted as two full time equivalent occupants in these calculations.
For further detail design teams may review LEED-NC 2.2 Reference Guide for Credit WE 3.1-3.3.
4. Figure entered by Design Team for occupant users for showers - should include all high school students and also any physical education staff that
would regularly take showers at the school.
5. Figure entered by Design Team for occupant users for "food service sinks" should include total Full Time Equivalent Food Service Staff.
6. For "Summer Operation", occupant users include anticipated average combined total of students and full time equivalent staff and should be assumed
to be 30% of "Full Operation Population".
7. For "Annual Days of Summer Operation" include anticipated number of days for regular summer operation, excluding weekends and days when school
is closed.
8. Modernization projects should include the actual fixture flow rate of fixtures to remain in the design case calculations and indicate assumptions about
percentage of occupant users who will use those existing fixtures to remain.


        05/01/09
WATER USE REDUCTION FORM
Credit W 2.1R, W 2.2R and W2.3R
                                                                                     NYC Green Schools Rating System
Project:                                                                                                                               Page 2 of 2
Address:                                                                              Engineer:
LLW:                                                                                  Preparer:
Date:                                                                               Telephone:


Summer Operation
                                                                                              Fill In Only the three Un-       Fill In Only the one
BASE CASE                                                                                            Shaded Boxes                Un-Shaded Box
Base Case                                               Daily    Flow Rate        Duration                                     Sewage Generated
Flush Fixture Type                                      Uses        [gpf]          [Flush]        Occupant Users                        [Gal]
Conventional Water Closet             male               1.00             1.6          1.0                                 0                          0
Conventional Water Closet           female               3.00             1.6          1.0                                 0                          0
Conventional Urinal                    male              2.00             1.0          1.0                                 0                          0

Base Case                                               Daily      Flow Rate      Duration                                     Sewage Generated
Flow Fixture Type                                       Uses          [GPM]        [Flush]        Occupant Users                    [Gal]
Conventional Lavatory                                    3.00             2.5         15.0                                 0                          0
Shower                                                   0.10             2.5        300.0                                 0                          0
Food Service Area Sink                                   1.00             2.5         15.0                                 0                          0

                                                  Total Design and Base Case "Summer Operation" Uses by All Occupants                                 0
                                                                 Total Base Case "Summer Operation" Daily Volume [Gal]                                0
                                                                                        Annual Days Summer Operation                              30
                                                                     Total Base Case Annual "Summer Operation" Volume                                 0


                                                                                             Fill In Un-Shaded Boxes
DESIGN CASE                                                                                             Below

Design Case                                             Daily    Flow Rate        Duration                                     Sewage Generated
Flush Fixture Type                                      Uses        [gpf]          [Flush]        Occupant Users                    [Gal]
Conventional Water Closet            male                1.00             1.6          1.0                                 0                          0
           Dual Flushometer Water Closet      female     1.00             1.6          1.0                                 0                          0
           Dual Flushometer Water Closet      female     2.00             1.1          1.0                                 0                          0
           High Efficiency Urinal               male     2.00             0.5          1.0                                 0                          0


Design Case                                             Daily      Flow Rate      Duration                                     Sewage Generated
Flow Fixture Type                                       Uses          [GPM]          [sec]        Occupant Users                    [Gal]
Aerated Lavatory w/Automatic Shut-Off Control            3.00             0.5         12.0                                 0                          0
Low Flow Shower                                          0.10             1.8        300.0                                 0                          0
Food Service Area Sink                                   1.00             1.6         15.0                                 0                          0

                                                  Total Design and Base Case "Summer Operation" Uses by All Occupants                                 0
                                                                Total Design Case "Summer Operation" Daily Volume [Gal]                            0
                                                                                       Annual Days Summer Operation                               30
                                                                          Total Design Case "Summer Operation" Volume                                 0

                                                                 Sub-Total: Water Use Reduction for "Summer Operation"                      #DIV/0!



                                                                                 Total Water Use Reduction                                  #DIV/0!




        05/01/09

								
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