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Establishing and Operating ECOSAN System in New and Existing Residential Areas15Table 3.3: Capital Cost - Traditional Septic Tank and Toilets (RM)Items/ActivitiesSize of Housing Scheme100 PE 500 PE 1000 PENormal toilet installation (3toilets @ RM 600 / Unit incl.piping and fittings)Septic tank including installation(RM 2,500 / unit)36,000 174,000 330,00050,000 250,000 500,000Total Capital Costs 96,000 474,000 930,000The cost of a traditional septic tank installation for one household is RM 2,500based on contractor's bids broken down as follows:i) Prefabricated Septic Tank RM 1,000ii) Piping, Fittings and Installation RM 1,000iii) Ventilation pipe and others RM 500Total RM 2,500Note: Exclude piling as this will depend on site condition.The investment cost of a traditional septic tank system is thus between RM 4,650and 4,800 per household (5 PE per household).3.1.2 Comparison of Capital Costs per PE for Black Water StorageSystemIn order to make comparisons between different sewerage systems the abovecapital costs for different black water schemes have been translated into bothcapital costs per PE and capital costs per PE per day. See Table 3.4.Table 3.4: Annual Capital Costs per PE (RM) - ECOSAN Black Water StorageSystemDescriptionSize of Housing Scheme100 PE 500 PE 1000 PEAverage Annual Capital Costs 1 9,303 41,833 74,749Capital cost per PE per day 0.25 0.23 0.20Capital Cost per PE 1,133 1,018 909Note: 1 Assuming 20 year life and discount rate of 6 percent p.a.UEMS_TEC_02_53_Final ECOSAN Costing Report_280905.