There are currently 420 inhabitants in the small village of Pravino. The population is estimated to increase to 940 in thirty years. The current average peak flow is 1.2 L/s and is expected to increase to 2.14 L/s by 2050. The organic load is approximately 45 g BOD5/capita/day. The community is considering a free surface wetland or a lagoon to treat their wastewater. 1. Use the BOD loading to estimate the maximum surface area (in ha) required for a free surface wetland to serve the community by 2050 and remove BOD to 30 mg O2/L and TSS to 30 mg/L.

Current population =420 Population in 30 years=940 current average peak flow= 1.2 L/s average peak…

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Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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There are currently 420 inhabitants in the small village of Pravino. The population is estimated to increase to 940 in thirty years. The current average peak flow is 1.2 L/s and is expected to increase to 2.14 L/s by 2050. The organic load is approximately 45 g BOD₅/capita/day. The community is considering a free surface wetland or a lagoon to treat their wastewater.

1. Use the BOD loading to estimate the maximum surface area (in ha) required for a free surface wetland to serve the community by 2050 and remove BOD to 30 mg O₂/L and TSS to 30 mg/L.

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