Handbook of Civil Engineering Calculations

I.1

Index

Index terms Links

A

Activated sludge reactor 8. 1

aeration tank balance 8. 5 8. 6

biochemical oxygen demand (BOD) 8. 1 8. 41

food to microorganism ratio 8. 4

hydraulic retention time 8. 2

oxygen requirements 8. 3

reactor volume 8. 4

return activate sludge 8. 4

sludge quantity wasted 8. 2

volume of suspended solids (VSS) 8. 2

wasted-activated sludge 8. 4

Aerated grit chamber design 8. 16

air supply required 8. 18

grit chamber dimensions 8. 18

grit chamber volume 8. 16

quantity of grit expected 8. 18

Aerial photogrammetry 5. 39

elevation of a point 5. 45

flying height and scale 5. 39

ground distance 5. 41 5. 43

height of a structure 5. 41

with oblique photograph 5. 48

with overlapping photographs 5. 45