Handbook of Civil Engineering Calculations

I.22

Index terms Links

Gravity wells (Continued)

discharging type 7. 4

"Green" products, in reducing pollution 4. 36

Grillage, as column support 1. 183

Grit chamber, aerated 8. 16

air supply required 8. 18

chamber dimensions 8. 18

chamber volume 8. 16

quantity of grit expected 8. 18

Groundwater:

cleanup 4. 45 4. 46

and drawdown of gravity well 7. 2 7. 17

and ground surface 7. 3

Gusset plate analysis 1. 169

H

Hanger, steel 1. 168

Head (pumps and piping):

capacity:

variable-speed 6. 50 6. 53

rotary pump ranges 6. 54

computation of 6. 47

curves:

plotting for 6. 55

system head 6. 31 6. 32

types of 6. 8

effect of change in 6. 36

headless 6. 11 6. 14 6. 16

11

Borda's formula for 6. 17

from pipe enlargement 6. 17 6. 23 6. 43