Use  of  GIS  (Geographic  Informa4on  System)  as  an  Integrated  Tool  for  NRW,  Asset  and  Customer  Management    

 Embu  Water  and  Sanita4on  Company  

 Background  and  Objec4ves  

       

Objec&ves  ¥  Improve  NRW  from  55%  to  33%  in  5  years  through  

improved  asset  management  

¥  Improve  customer  percep4on  from  75%  to  85%  in  5  

years  improved  customer  data  base  

¥  Improve  network  pressure  from  average  10  bars  to  3  

bars  in  5  years  

¥  Developed  asset  replacement  program  in  5  years  

¥  Improve  debt  collec4on  efficiency  from  80%  to  95%  in  3  

years  

¥  Improved  billing  efficiency  from  85%  to  100%  in  3  years  

¥  Improve  Planning  through  data  on  expansion  and  

growth  

¥  Provide  data  for  design  and  hydraulic  modeling  

(eleva4on  models)  

   

 

Background  ¥  Non  existent  of  an  asset  management  

program  resul4ng  in  a  rapid  loss  of  

infrastructure  capacity.    

¥  Wave  training  on  NRW  and  CCO  generated  

interest  on  the  need  for  an  integrated  

system  for  infrastructure    management.  

¥  WSP  opted  for  a  GIS  (Geographic  

informa4on  system)  to  manage  NRW,  

assets,  and  customers.  

Layer  1:  Base  maps:  Cadastral  maps  from  survey  of  

Kenya  showing  plot  numbers.  Digi4zing  

Layer   2:   Pipe   networks:   Mapped   using   a   GPS,  

showing  characteris4c  of  pipe  i.e.  size,  material,  age  

Layer   3:  Consumer  Meters   loca4on:  Mapped  using  

GPS  

Layer  4:  Master  Meter  loca4on:  Mapped  using  GPS;  

Pressure  maps:  Mapped  using  pressure  loggers  and  

GPS  

Layer  5:  Aerial  photographs  showing  actual  features  

on  the  ground  (satellite  images)  

Layer  6:  Sewer  pipe  network  

Layer  7:  Man  holes  

Layer  8:  Valve  and  fi^ngs  

The   process   of   linking   the   GIS   data   base   and   the  

billing  database  is  on  going  

 Project  Descrip4on  

Results  and  Lessons  Learned  

Lessons  Learned  By  implemen4ng  a  GIS  system,  Embu  Water  has  developed  

“a  one  stop  integrated  data  management  system”  by  

simply  collec4ng  exis4ng  data  and  organizing  it.    

 

This  has  improved  efficiency  in  a  lot  of  areas.  Examples  are:  

Integra4ng  data  within  the  company,  Billing,  Customer  

care,  Hydraulic,  Meter  reading,  Connec4on  and  

reconnec4on,  O&M,  Assets    

 

Recommenda&on  A  GIS  system  can  be  easily  adapted  by  other  WSPs  within  

the  region  

 

Results  ¥  Improved  meter  reading  efficiency  from  85%  in  

2008  to  96%  in  2013  

¥  Improved  billing  efficiency  from  80%  in  2008  to  

100%  in  2013  

¥  Opera4on  cost  reduc4on  through  improved  

efficiency  by  17%  

¥  Beder  customer  Knowledge  through  data  

collec4on.  70%  customers  have  been  mapped  

¥  Reduc4on  in  NRW  from  55%  in  2008  to  36%  in  

2013  

¥  The  revenue  has  increased  from  7  million  in  

2008  to  14  million  in  2013  

¥  Improved  efficiency  in  customer  service.  

¥  Improved  efficiency  in  opera4on  and  

maintenance    

 

WAVE  Impact  

 

 

Through the first wave training on NRW and CCO there was need to come up with

one integrated system that would assist manage the two areas together. The

company therefore developed an action plan that involved among other things,

setting up a GIS (Geographic information system) to manage NRW, assets, and

customers.

Pressure  map  before  adjustment   Pressure  map  a@er  reducBon  

Partners  and  Financing  

JICA-­‐dona4on  of  soiware:  ARC  GIS  10  

Sustainability  

Through  improved  efficiency  and  beder  planning  the  company  had  improved  revenue  by  40%  and  reduced  cost  by  15%.  Coverage  has  con4nually  been  increasing  from  60Km  square  to  around  400Km  square.  Customer  connec4ons  have  grown  from  8,000  in  2008  to  14000  in  2013  

Pipe  Replacement  Map