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Economic Assessment of Sanitation Interventions in Vietnam - WSP

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<strong>Economic</strong> <strong>Assessment</strong> <strong>of</strong> <strong>Sanitation</strong> <strong>Interventions</strong> <strong>in</strong> <strong>Vietnam</strong> | Annex TablesTABLE H4. SITE U4 (BAI CHAY WARD, HA LONG CITY, QUANG NINH PROVINCE) AVERAGE COST PER HOUSEHOLD FORDIFFERENT SANITATION AND HYGIENE OPTIONS, USING FULL (ECONOMIC) COST (VND, YEAR 2009)Investment costs: Initial one-<strong>of</strong>f spend<strong>in</strong>gCost item Septic tank Centralized WWT1. Capital 6,710,000 10,403,2442. Program - 1,104,976SUB-TOTAL 6,710,000 11,508,221Recurrent costs: Average annual spend<strong>in</strong>g3. Operation 314,265 365,4804. Ma<strong>in</strong>tenance 133,333 158,9415. Program - -SUB-TOTAL 447,598 524,422Average annual cost calculationsDuration 1 10 20Cost/household 971,342 832,854Cost/capita 256,291 219,750Of which:% capital 69.1% 62.5%% program 0% 6.6%% recurrent 30.9% 30.9%Observations 2 39 611Refers to length <strong>of</strong> life <strong>of</strong> hardware before full replacement2Number <strong>of</strong> householdswww.wsp.org189

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