What is an SFD
29
What is an SFD Anil Yadav, Water Programme Centre for Science and Environment, Training on Faecal Sludge & Septage Management, Bangladesh Dated: 18.12.2016
Transcript of What is an SFD
What is an SFD
Anil Yadav, Water Programme
Centre for Science and Environment,
Training on Faecal Sludge & Septage Management,
Bangladesh
Dated: 18.12.2016
2
o What is an SFD?
o What is not an SFD?
o Who can use the SFD?
o How to read an SFD
o Elements of an SFD
o Some SFDs produced so far
o Practical applications of SFDs
Overview
3
A diagram that shows the
pathways from defecation to final
fate
A complete record of all the data
sources
A concise narrative report on the
service delivery context
What is an SFD?
4
What is an SFD
Manual for SFD Production Part D: SFD quality and credibility
process
Version 1.0 October 2015
SFD Promotion Initiative
Manual for SFD Production – Part B: Guidance note for calculation tool
Manual for SFD Production – Part D: SFD quality and credibility process
Manual for SFD Production
Part C: Glossary of terms and
variables
Version 1.0 October 2015
SFD Promotion Initiative
Manual for SFD Production – Part C: Glossary of terms and variables
Manual for SFD Production
Part B: Calculation tool and
guidance note
Version 1.0 October 2015
SFD Promotion Initiative
Manual for SFD Production – Part B: Calculation tool and guidance note
Manual for SFD Production
Part A: Methodology for data
collection
Version 1.0
October 2015
SFD Promotion Initiative
Manual for SFD Production – Part A: Methodology for data collection
5
o An effective communications and advocacy tool to
engage city stakeholders
o Based on contributing populations, it gives an indication
of where the excreta goes
o A representation of public health hazard
o An overview from which to develop sanitation priorities
What is an SFD
6
o Based on volumes/mass – these are determined by other
related factors
o A representation of public health risk
(risk = hazard x behaviour)
o A precise scientific analytical tool
What is NOT an SFD
7
o Political leaders
o Sanitation experts
o Civil society organizations
o Engineers
o Planners
o Decision-makers
Who can use the SFD
8
SFD Calculation Tool
Description of terms and variables provided in the
accompanying glossary
Data input
9
Service Delivery Context Assessment
Treatment End-use/
disposal Transport Emptying Containment
Developing
Enabling
Policy
Planning
Regulation
Expansion
Service
outcomes
Sustaining
Outputs
Equity
Policy: To what extent is sanitation included in acknowledged and available policy documents?
Institutional roles: To what extent are the roles and clearly defined and operationalized?
Service provision: Does the regulatory framework enable investment by service providers?
Standards: Are norms and standards systematically monitored and reported?
Targets, Investments…
Quantity / capacity: Does access to sanitation meets the demands and targets?
Quality: Are the procedures and processes for monitoring and reporting access to sanitation?
Choice: Is there a range of affordable and appropriate techn. that meets the needs of the poor?
Reducing inequality: Do plans and measures ensure sanitation serves all users,?
Demand: Are there policies and procedures, or programs to stimulate demand and behaviours
by households?
Sector development: Are there ongoing programs and measures to strengthen the role of
service providers (public or private) in the provision of sanitation services, in urban or peri-urban
areas?
10
SFD Diagram
11
Local area Neighbourhood City
Variable nr : % of flow Safely managed Unsafely managed
Cuttack – 28 July 2015
Desk Based
Key:
Offsite Sanitation
Onsite Sanitation
Open Defecation
Percentage of
population dependent
on a sanitation system
Name of City and date
of SFD production
Offsite
Sanitation
Onsite
Sanitation
Open
defecation
Service chain
12
Local area Neighbourhood City
Variable nr : % of flow Safely managed Unsafely managed
Cuttack – 28 July 2015
Desk Based
Key:
Offsite
Sanitation
Onsite
Sanitation
Open
defecation
Not Contained: Sanitation technology and/or system which
does not ensure safe level of protection from Excreta. i.e.
pathogen transmission to the user or general public is
likely.
WW: Waste Water
FS: Faecal Sludge
SN: Supernatant
Red or Green: Whether the arrows would be red or green is
dependent on whether the system at that stage is contained
or not.
Contained: Sanitation Technology and/or system which
ensures safe level of protection from Excreta i.e. pathogen
transmission to the user or general public is limited.
13
Cuttack – 28 July 2015
Desk Based
Key:
Sewage flow not
contained due to
spillage
Width of the arrow
represents the
percentage of
population
14
Cuttack – 28 July 2015
Desk Based
Key:
Excreta of 8 %
population of the city
is being managed
properly through
centralised
sewerage system
15
Cuttack – 28 July 2015
Desk Based
Key:
Excreta of 8 %
population of the city
is being managed
properly through
centralised
sewerage system
Sewage network not
contained due to spillage
16
Cuttack – 28 July 2015
Desk Based
Key:
11% Septage delivered to
treatment after emptying
17
Cuttack – 28 July 2015
Desk Based
Key:
11% Septage delivered to
treatment after emptying
Supernatant from septic tank
discharges into open drain
18
Cuttack – 28 July 2015
Desk Based
Key:
19
Cuttack – 28 July 2015
Desk Based
Key:
20
Cuttack – 28 July 2015
Desk Based
Key:
21
Cuttack – 28 July 2015
Desk Based
Key:
22
Cuttack – 28 July 2015
Desk Based
Key:
11% Septage delivered to
treatment after emptying
23 Unsafely managed
Cuttack – 28 July 2015
Desk Based
Key:
24
SFDs produced so far
25 Unsafely managed
Dhaka – 26 February 2015
Desk Based
Key:
26 Unsafely managed
Agra, India – 21 October 2015
Desk Based
Key:
27
o Please read the SFD along with the report
o The red colour denotes unsafe management and green
colour denotes safe management
o The width of the arrow depends on the corresponding
percentage
o Percentage mentioned on the diagram refers to the
contributing population and not volume of excreta
o The supernatant is effluent from the septic tanks
How to read an SFD
28
o Planning at city level
o Financing sanitation
infrastructure
o Gaining political support
o Stakeholder involvement
o Coordination of various
actors
o Establishing baselines and
monitoring progress
Practical applications in:
