Explanations-
Water Tanks: It was decided that above ground water tanks be used because of the drastically lower cost involved by not having to excavate the ground for underground tanks and also because Visy’s Tumut plant has more than enough provided area being unused.
(Appendix 1)
Pumps and Fittings: The pumps and fittings for the two water tanks were chosen as they fulfilled the requirements and standards Visy needs for the kraft paper manufacturing processes.
(Appendix 2)
PVC Piping: Inexpensive and reliable PVC down piping. Able to tolerate maxium water flows and pressure system is capable of generating.
(Appendix 3)
Roof Guttering: Durable and reliable roof guttering at a low cost. Wide enough to withstand high water flow and provide an efficient water collection course.(Appendix 4)
Installation: Installation of this rainwater harvesting system will cost approximately $15, 000 to $25, 000. $25, 000 being listed as a maximum forecast of the installation costs.
(Appendix 5)
Delivery: Water tanks and Pumps are $1 per km, per tank. Locations are 407kms apart = $407 x 2 = $814 delivery costRoof Guttering and PVC down piping $200 approximately.
Service | Quantity (per annum) | Price (AUD$) | Frequency | Maintenance | X4 | 7,500 | Quarterly | Repairs | - | 1,500 | N/A | Total |