Hydraid BioSand Installation Manual Download Page 27

30. Who do you ask for assistance to fix the BSF (Please do not read answers but 

select all that apply)? 
a)  Community facilitator 
b)  Community water committee 
c) Neighbor 
d)  Repair myself 
e)  Do not repair 
 f )  Other:  ______________________________

Note: The following steps are observations.

31.  Does the filter have a top?   

 Yes       

 No

32.  Is the outlet hose free of restrictions? (nothing attached)

 

 Yes       

 No. Specify: ___________________________________________

33.  Is there a diffuser plate?   

 Yes       

 No

34.  Are there any visible cracks or leaks in the filter body, diffuser plate or outlet 

tubing?   

 Yes       

 No

35.  Measure the flow rate: ________________ ml per minute

36.  Time at end of interview: ________________

Other observations:

Thank the participant for his or her time.

25

Summary of Contents for BioSand

Page 1: ...ant Safety Instructions Features And Benefits Product View Hydraid BioSand Water Filter Parts List Before Installing The Hydraid BioSand Water Filter Assembly Installation Using The Hydraid BioSand Wa...

Page 2: ......

Page 3: ...idea for the Hydraid BioSand Water Filter from his international work in water systems The Hydraid BioSand Water Filter is backed by scientific research and has a limited one year warranty We at Trip...

Page 4: ...to form after the filter is in stalled and during this period post filtration chlorination is absolutely necessary to address bacteria and viruses The filter media sand accounts for essentially all p...

Page 5: ...ertified sand source may not look the same Before Installing The Hydraid BioSand Water Filter Before installing the Hydraid BioSand Water Filter please consider gathering the following tools 1 5 gallo...

Page 6: ...on Selection 1 Involve household members in selecting the filter location for acceptance convenience and permanence 2 Choose a safe clean permanent area indoors to place the filter Once installed the...

Page 7: ...le Quest Make sure this layer is level 3 Add 5 7 cm of the smaller Filtration Gravel 3350 ml or 9 9 to 10 6 lbs This is the bag with a yellow label if purchased through Triple Quest Make sure this lay...

Page 8: ...ere should be almost 5 cm 2 inches of water above the Filtration Sand Clean Water Storage Container A container of approximately 20 liters 5 gal size is ideal Avoid larger containers that cause weight...

Page 9: ...thin invisible film of living organisms naturally grows on and within the top surface of the sand within the paused water reservoir where it consumes bacteria and viruses During the 14 day period the...

Page 10: ...filtered source water over night before adding it to the filter Sedimentation naturally occurs when pre filtered source water is stored overnight or for some hours The more turbidity in the water the...

Page 11: ...ks to form in the filter reducing its performance Once the water level in the filter is restored above the top of the sand water can be poured into the top of the filter through the Diffuser Plate Not...

Page 12: ...6 as needed until an acceptable flow rate is re established 8 Wash the Lid and Difuser Plate with soap and water do not use chlorine Rinse with filtered water 9 Replace Diffuser Plate and Filter Lid...

Page 13: ...the filter without the Diffuser Plate Allowing the paused water depth to become too shallow Putting chlorine into the top of the filter Allowing the paused water to evaporate will kill it Not using t...

Page 14: ...o not use chlorine solution If further cleaning is necessary use soapy water and rinse thoroughly before reinstalling the Diffuser Plate 3 Replace Filter Lid Clean Water Container The need for periodi...

Page 15: ...operates under extremely low water pressure so stubborn leaks are unlikely Water flow rate too slow less than 3 liters per minute Cause Filter blockage in the biological layer or too much Filtration...

Page 16: ...he Filtration Sand 3 Add additional Filtration Sand into the top 10 15 cm 4 6 inches of the sand layer and pack it down with your hand Monitoring Research shows that when a Hydraid filter is used prop...

Page 17: ...id BioSand filter remove earth or dirt in water Yes the filter removes most solids or turbidity in water It is de signed to handle turbidity in the normal course of operation If the water is very dirt...

Page 18: ...into the top of the filter can kill the biological layer 6 How do I find out if the turbidity of the water is less than 70 100 UOT Fill a clear plastic 2 liter bottle with water Place the bottle on i...

Page 19: ...ter is very turbid let it rest and allow the sediment to settle for 24 hours and then filter it by using a finely woven fabric that has been doubled several times Slowly pour water from a container th...

Page 20: ...e biological layer Some new users add chlorine to the water before filtering instead of adding it to the post filtered clean water The addition of chlorine directly into the filter can kill the biolog...

Page 21: ...water is flowing very slowly Refer to Filter Maintenance on page 10 16 How often do I need to replace the sand The sand does not need to be replaced It is cleaned using the biological layer maintenanc...

Page 22: ...poor tasting The filtered water may have a bad taste and smell for different reasons First does the source water smell and taste bad If the source water smells and tastes bad it may be that the filter...

Page 23: ...nt during installation ____________________________________________________________________ 5 Who is the person responsible for caring for the filter __________________________________________________...

Page 24: ...No I am not 8 Have you received a follow up visit from your community facilitator who helped install the filter Yes _____________ of visits No I have not 9 Are you still using the filter Yes I am No I...

Page 25: ...___________ 14 When was the last time you performed the maintenance procedure to restore the flow rate N A if never Day __________ Month _____________ Year __________ 15 Who usually does the process o...

Page 26: ...ing water a Yes if yes go to 26 b No if no go to 27 c Didn t treat or buy before 26 If yes what did you do before a Boil water b Add bleach c Buy bottled water d Filter through cloth e Other__________...

Page 27: ...ervations 31 Does the filter have a top Yes No 32 Is the outlet hose free of restrictions nothing attached Yes No Specify ____________________________________________ 33 Is there a diffuser plate Yes...

Page 28: ...3400 Innovation Court SE Grand Rapids MI 49512 1 616 254 4114 hydraid cascadeng com www hydraid org 2011 Triple Quest All Rights Reserved...

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