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Water Audit 2009
3 pages
English

Water Audit 2009

-

Le téléchargement nécessite un accès à la bibliothèque YouScribe
Tout savoir sur nos offres
3 pages
English
Le téléchargement nécessite un accès à la bibliothèque YouScribe
Tout savoir sur nos offres

Description

“Leaky Faucets” Activity Guide and Data Sheet Club Member Worksheet Chicago Conservation Corps (C3) Student Clubs City of Chicago Department of Environment (DOE) Objective: To explore your water-use area, identify leaks, and find out how much water is wasted by those leaks. Materials: • Graduated water bottle and/or measuring cups • Masking tape (or paper and Scotch tape) • Watch or stopwatch • Marker • Sponges or paper towels • Scale/balance • Sealable plastic bags (e.g., Ziploc) Instructions: 1. Depending on the number of water use sites being audited by your Club / the number of predicted surface leaks at those sites, assemble plastic bags and sponges / paper towels. • Put one sponge or paper towel in each bag. • Put a piece of masking tape on the outside of the bag, and label it. For example, if you were bringing that bag to the girl’s restroom, you might label the bags GR 1, GR 2, GR 3, etc. • Before you begin your “Leaky Faucets” Audit, record the mass of each bag (with a dry sponge) in Column J on the back of this worksheet. 2. With your stopwatch, plastic bag kits, and ...

Informations

Publié par
Nombre de lectures 16
Langue English

Extrait

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10
Richard M. Daley, Mayor
City of Chicago
© Chicago Conservation Corps
Suzanne Malec-McKenna, Commissioner
Department of Environment
City of Chicago 2009.
All rights reserved.
Water Outlet and
Location
A.
Amount of
water
collected
(milliliters)
B.
Time to
collect
water
(sec)
C.
Water
wasted in
ml/sec
(A / B)
D.
Water
wasted in
ml/min
(C x 60)
E.
Water
wasted in
ml/hour
(D x 60)
F.
Water
wasted in
ml/day
(E x 24)
G.
Water
wasted in
liters/day
(F x .001)
H.
Water
wasted in
liters/yr
(F x 365)
Example:
Boys locker room shower
100
90
1.11
66.6
3,996
95,904
95.904
35,005
1.
2.
3.
4.
5.
Faucet Leaks
TOTALS:
Water Outlet and
Location
I.
Mass of dry
sponge and
bag
(g)
J.
Mass of wet
sponge and
bag
(g)
K.
Time to
soak up
water
(sec)
L.
Mass of
water
wasted in
grams**
(J-I)
M.
Water
wasted
in ml/sec
(L/K)
N.
Water
wasted
in
ml/min
(M x 60)
O.
Water
wasted in
ml/hour
(N x 60)
P.
Water
wasted in
ml/day
(O x 24)
Q.
Water
wasted in
liters/day
( P x .001)
R.
Water
wasted in
liters/yr
(Q x 365)
Example:
Teachers’ lounge sink
25
40
30
15
.5
30
1,800
43,200
43.2
15,768
1.
2.
3.
4.
5.
Surface Leaks
TOTALS:
**Also equals the
volume
of water wasted, since 1 mL of water weighs about 1 gram.
Special Challenge:
Did you tour any other water-use areas of your school like the kitchen, grounds, janitor’s closet, etc.?
If so, do you think there are leaks in
those areas?
Would there be any way to calculate how much water is wasted due to leaks in those areas?
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