CAWST 2009 Biosand Filter Manual

33 views

Skip to first unread message

Campbell, Dan

unread,

Nov 17, 2009, 11:11:06 AM11/17/09

to household-wa...@googlegroups.com, Borrazzo, John, Campbell, D., Campbell, Dan, Gavin, John, Hafner, Craig, Jay, Kolb, Anthony, Rainey, Rochelle, Weinger, Merri

Each week, I will try to feature new publications and website updates by members of the USAID Household Water Treatment & Safe Storage Google Group.

Beloe are links to a recently published CAWST manual which is also on the CAWST website at: http://www.cawst.org/index.php?id=383

BIOSAND FILTER MANUAL DESIGN, CONSTRUCTION, INSTALLATION, OPERATION AND MAINTENANCE

A CAWST TRAINING MANUAL, September 2009

This manual provides you with the details on how to properly construct, install, operate and maintain the concrete biosand filter.

Number of pages: 129, Publication date: 2009

Full manual in English [pdf 3Mb]
<http://www.cawst.org/assets/File/Biosand_Filter_Manual_Version_10_Sep09.pdf>

Full manual in English (without Appendices) [pdf 2Mb]
<http://www.cawst.org/assets/File/Biosand_Filter_%20Manual_Version_10_No_Appendices_Sep09.pdf>

Appendix 1 - Concrete Biosand Filter Version 10 Mold Design [pdf 308kb]
<http://www.cawst.org/assets/File/BSF%20Manual_Appendix%201_Version%2010%20Mold_Sep%2009.pdf>

Appendix 2 - Sieve Set Construction [pdf 246kb]
<http://www.cawst.org/assets/File/BSF%20Manual_Appendix%202_Sieve%20Construction_Sep%2009.pdf>

Appendix 3 - Sand Sieve Analysis [pdf 212kb]
<http://www.cawst.org/assets/File/BSF%20Manual_Appendix%203_Sand%20Sieve%20Analysis_Sep%2009.pdf>

Appendix 4 - Manufacturing & Installation Monitoring Forms [pdf 86kb]
<http://www.cawst.org/assets/File/BSF%20Manual_Appendix%204_Manufacting%20&%20Installation%20Forms_Sep%2009.pdf>

Appendix 5 - Follow-up Visit Monitoring Forms [pdf 52 kb]
<http://www.cawst.org/assets/File/BSF%20Manual_Appendix%205_Follow%20Up%20Forms_Sep%2009.pdf>

Appendix 6 - Costing and Pricing Forms [pdf 36kb]
<http://www.cawst.org/assets/File/BSF%20Manual_Appendix%206_Costing%20and%20Pricing%20Forms_Sep%2009.pdf>

Table of Contents
Acronyms .......................................................................................................................... ii
Abbreviations .................................................................................................................... ii
Measurement Conversions ............................................................................................... ii
Glossary...........................................................................................................................iii
1 The Multi-Barrier Approach for HWTS ...........................................................................1
2 Biosand Filter Overview .................................................................................................2
2.1 What is the Biosand Filter? .....................................................................................2
2.2 History of the Biosand Filter ....................................................................................2
2.3 Biosand Filter Components.....................................................................................2
2.4 How Does the Biosand Filter Work? .......................................................................3
2.5 How Well Does the Biosand Filter Work? ...............................................................5
3 Biosand Filter Operation ................................................................................................6
3.1 Water Source ..........................................................................................................6
3.2 The Biolayer ............................................................................................................6
3.3 Filter Loading Rate..................................................................................................7
3.4 Pause Period...........................................................................................................7
3.5 Standing Water Layer .............................................................................................7
3.6 Maintenance............................................................................................................8
3.7 Disinfection..............................................................................................................8
3.8 Safe Water Storage.................................................................................................8
4 Version 10.0 Concrete Biosand Filter ..........................................................................10
5 Construction, Installation, Operation and Maintenance Instructions ............................11
5.1 Construction Safety...............................................................................................12
Stage A – Obtain Tools and Materials ........................................................................14
Stage B – Locate the Sand and Gravel.......................................................................17
Stage C – Prepare the Sand and Gravel ....................................................................19
Stage D – Construct the Filter Box..............................................................................25
Stage E – Construct the Diffuser.................................................................................32
Stage F – Construct the Lid ........................................................................................43
Stage F – Construct the Lid ........................................................................................44
Stage G – Installation..................................................................................................45
Stage G – Installation..................................................................................................46
Stage H – Operation, Maintenance and Follow-Up.....................................................53
6 References...................................................................................................................58
Appendix 1: Concrete Biosand Filter Version 10.0 Mold Design
Appendix 2: Sieve Set Construction
Appendix 3: Sand Sieve Analysis
Appendix 4: Manufacturing and Installation Monitoring Forms
Appendix 5: Follow Up Visit Monitoring Forms
Appendix 6: Costing and Pricing Form

Please see CAWST's Project Implementation for the Biosand Filter workshop <http://www.cawst.org/index.php?id=228> for more information about our training and upcoming schedule.




Dan Campbell, Web Manager
Environmental Health at USAID
1611 North Kent St., Suite 300
Arlington, VA 22209
Ph: 703-247-8722
Email: dcam...@usaid.gov
Environmental Health at USAID: http://www.ehproject.org
Indoor Air Pollution Updates: http://iapnews.wordpress.com
Sanitation Updates: http://sanitationupdates.wordpress.com
Urban Health Updates: http://urbanhealthupdates.wordpress.com
Cholera Google Group: http://groups.google.com/group/cholera-control
Household Water Treatment Google Group: http://groups.google.com/group/household-water-treatment

Reply all

Reply to author

Forward

0 new messages