sewer cad , auto cad ,arc gis, arc map vss pss ss...

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Arc GIS, Arc Map Sewer CAD , Auto CAD ,

PSSVSS

SDGSSS

*

SDGS

SDGS

SDGS

SDGS

SS

SDGS

PSS

VSS

SDGS

SS

- Pressure Sewer System

-Vacuum Sewer System

- Small Diameter Gravity Sewer System

- Simplified Sewer System

Arc MAP

Arc GIS , Sewer CAD , Auto CAD ,Excel,

(PSS)

Pressure Sewer System

STEP

(GP)

PSS

(VSS

Vacuum Sewer System

VSS

Small

Diameter Gravity Sewer System (SDGS)

SDGS

(SS)

Simplified Sewer System

H S

(PSS)

Pressure Sewer System

(VSS

Vacuum Sewer System

Small Diameter Gravity Sewer

System (SDGS

(SS) Simplified Sewer System

PSSSTEP

in

mm

in

mm

*in

cm

ft

m

gal/min

Lit/min

*

PSSGP

Kw

Lb/in

Kg/m

gpm

Lit/min

in

mm

in

mm

VSS

cm

-

mH O

cm

-

cm

mm

cm

mm

h/d

SDGS

in

mm

in

mm

in

cm

ft

m

gal/min

Lit/min

SS

N/m

mm

cmcm

PVC

mmmm

*

(SS)

(PSS)

(SDGS)

(VSS)

(STEP) (GP)

167.05

p 167.056.0

p

167.05

p167.056.0

p

167.05

p

5

167.0p

5

167.0p

(mm)

*

( m/s)

Google Earth

SS

SDGD

SS

SS

SS

SS

SS

SS

SS

SDGS

Sewer CAD

(SS) (SDGS)(PSS)

(VSS)

Kmax =

+

( /Qave)

Qmax =

*N

Q =

N * +

Q =

N * +

N*EDU

SS

SS-SDGS

PSS

SDGS

VSS

SS

. Kreissl, J., Behrend, G.R., Burden,

D.G., Corwin, B., Deal, G.D.,

Hamman, D.K., Linahan, D.V.,

Lombardo, P., Mowry, J.C., Naret, R.,

Stump, P.L., Walski, Th.M. and

Wanna, M. ( ). Alternative Sewer

Systems, WEF Manual of Practice

No. FD -

Second Edition,

MCGraw-Hill Companies, Inc., USA.

New York.

SDGSSS

TPM

. Mara. D. ( )

Low-Cost Sewerage

Chi Chester: John wiley & Sons Ltd,

USA. New York.

. British Standards Institution ( )

Pressure Sewerage Systems outside

building

BS EN , London: BSI.

. British Standards Institution ( )

Vacuum Sewerage Systems outside

building

BS EN

, London: BSI.

. EPA ( ). Manual Alternative

Wastewater Collection Systems.

Report No. EPA/ - .

Washington, DC: Environmental

Protection Agency.

. Mara, D. and Broome, J. ( )

Sewerage: a return to basics to benefit

the poor

Ice., England.

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