20100209 washcost methodology for irc back of napkin
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Normativethreshold
Norm +
Norm ++
Norm-
Norm - -
Access to water(lpcd)
40
20
10
75
150
Fluoridewater(ppm)
0.5
1.0
2.0
4.0
0
Distance to WP(km)
1.6
1.0
0.5
2.0
3.0
Crowding at WP
(persons)
250
100
175
375
500
Water security
(No. of safesources)
1
4
3
2
1
0
SocialExclusionYes/No
No
No
No
Yes
Yes
WASHService Levels
MUS waterlpHHd
100
150
0
50
200
ODF% population
100
100
100
25
50
Hygienicbehaviour
% population
25
50
100
100
100
Service levels used in WASHCost India
Quantity (l/c/d)
Quality Accessibility (min/c/d)
Reliability Status
High >60 Good <10
Reliable/
unreliableImproved
Intermediate >40
Acceptable
Acceptable
Acceptable
30
30Basic (normative) >20
Sub-standard>5 60
No service
<5 Unacceptable >60Unreliable/
unsecureUnimproved
WASHCost proposed service levels and indicators
No-service: People access water from insecure or unimproved sources, or sources that are too distant, too time-consuming or
are of poor quality
No service
Basic
High
Sub-standard
Intermediate
Sub-standard service: People access a serivcethat is an improvement on having no-serivce at all, but that fails to meet the basic standard on
one or more criteria
High-service: people access a minimum of 60l/c/d of high quality
water on demand.
Basic-service: People access a minimum of 20l/c/d of acceptable quality water from an improved source spending no
more than 30 minutes per day
Intermediate –service: people access a minimum of 40l/c/d of acceptable quality water from an improved source spending
no more than 30 minutes per day.
WASHCost proposed service levels and indicators