Changes

* Total daily water use of 2,000 L per day (tool default).

* Total daily water use of 2,000 L per day (tool default).

* User specified storage tank capacity of 50,000 L.

* User specified storage tank capacity of 50,000 L.

* Operation and maintenance (O&M) cost estimates assume annual inspections and cistern pump tests, removal of trash and debris from rooftop and pretreatment filter four times a year, and cleaning of cistern and replacement of pump and pressure tank every five years. Verification inspections are included every 5 years to confirm adequate maintenance.

* Operation and maintenance (O&M) cost estimates assume annual inspections and cistern pump tests, removal of trash and debris from rooftop and pretreatment filter four times a year, and cleaning of cistern and replacement of pump and pressure tank every five years. Verification inspections are included every 5 years to confirm adequate maintenance.

===Notes===

===Notes===

*

* Two (2) German-style in-line filters and precast concrete containment structures are included to provide pretreatment of roof runoff.

* The tool calculates costs for new (greenfield) development contexts and includes costs for contractor overhead and profit, material, delivery, labour, equipment (rental, operating and operator costs), hauling and disposal.  

* The tool calculates costs for new (greenfield) development contexts and includes costs for contractor overhead and profit, material, delivery, labour, equipment (rental, operating and operator costs), hauling and disposal.  

** Land value and equipment mobilization and demobilization costs are not included, assuming BMP construction is part of overall development site construction.

** Land value and equipment mobilization and demobilization costs are not included, assuming BMP construction is part of overall development site construction.