building materials and procedures - How does a water treatment plant produce drinkable water

Refer to the attached plan and section to answer the succeeding questions 12mm THK. SLAB COVER WITH 10mmo RSB. SPACED E EVERY 200mm 0.C. B.W. 3000 1200 600 600 150 INLET p MANHO MANHOLE 150 16mmo RSB AT EVERY CORNER AND CHB JOINTS. PLAN 12mmo BAR LIFTING HANDLE 12mm THK. SLAB COVER WITH 12mmo RSB, SPACED EVERY 250mm O.C., B.W. 3000 1200 600 600 E नि्॥ 120 300mm. AIR SPACE INLET WATER LEVEL WATER LEVEL WATER LEVEL OUTLET JO PVC PPE AND FITTINGS DIGESTIVE LEACHING CHAMBER LEACHING CHAMBER CHAMBER USE 5 CHB WITH 10mme VERTICAL BARS SPACED 400mm AND HORRONTAL BARS O EVERY 3 LAYERS. 1:10SLOPE 150 1Smm THK. SLAB ON FILL WITH 12mmo RSB. SPACED E EVERY 250mm O.C., B.W. How thick is the Required plastering on the Septic tank walls from the given drawings O 1" each face O 1/2" each face O 1/4" each face O No Plastor reuirod 2070 000 000L 150

Restate - Describe how a septic tank and leach field treat sewage and wastewater.

How does the viscosity of water is affected?