Changes

* Overflow was not costed as it would be needed even if the RWH system was not constructed.

* Overflow was not costed as it would be needed even if the RWH system was not constructed.

* Costs for conveyance piping are not included in the model design for indoor tanks because conveyance would be needed even without RWH.

* Costs for conveyance piping are not included in the model design for indoor tanks because conveyance would be needed even without RWH.

* The cost for decommissioning an outdoor above-ground plastic tank for [[Winter Management#Cold climate considerations|the winter]] is not included.

* The cost for decommissioning an outdoor above-ground plastic tank for [[#Cold climate considerations#Winter Management|the winter]] is not included.

* The tool assumes that only one trench is needed for all piping, including conveyance, service and top-up piping.

* The tool assumes that only one trench is needed for all piping, including conveyance, service and top-up piping.

* 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.