#6 EconoDrain® Hydraulic Data

We drain your site, not your budget!

MultiDrain Systems, Inc.

Copyright © July 2008 MultiDrain Systems, Inc.

System and Hydraulic Data: # 6 EconoDrain® EconoDrain® Series EPS Trench Forming System By MultiDrain Systems, Inc. Thank you for using our family of EPS Trench Forming products in your current and future projects. Our trench systems are engineered to conform to material and project specific specifications. MultiDrain Systems is dedicated to continuous product improvement with an eye to fit, form and function and the ever important cost \ benefit analysis. The following system and hydraulic data provides an overview of the following information:

o System Grating Inflow – Table and Graphical Representation Material Specification Grating Load Capability Specification Grating Dimensions Grate Open Area

o Trench Flow Capacity – Table and Graphical Representation

Trench Flow Capacity at 0.5% and 1.0% slope Trench Section Depths at 0.5% and 1.0% slope Trench Section Storage Capacity at 0.5% and 1.0% trench slope Adjustment factors, Fk, used to consider site slope and its effect upon

trench capacity Adjustment factor, Fk, sample calculation

o Outlet Pipe Discharge Flow Graphical Representation

PVC Outlet Pipe Discharge This information generally answers 99% of the project inquiries satisfactorily. If you need more information, we will be happy to address your questions. Please do not hesitate to let us know how we may serve your needs better. Thank you again for using MultiDrain Systems family of products. Our contact information is:

MultiDrain Systems, Inc. P.O. Box 88

Barium Springs, NC 28010

Toll Free: (800) 433-1119 or (704) 508-1010 Fax: (704) 508-1011

e-mail: t.drain@multidrainsystems.com

You may view all of our product information at www.multidrainsystems.com

#6 E

cono

Dra

in®

Stan

dard

Cas

t Iro

n G

ratin

gG

rate

Par

t No.

:E

G08

241C

IB[F

inis

h: B

lack

(Std

.)]E

G08

241C

IBG

[Fin

ish:

Gal

vani

zed]

Gra

te L

engt

h:2

ft. (2

4 in

.)G

rate

Ope

n A

rea:

61.0

%G

rate

Ope

n A

rea

(sq.

in. /

l.ft)

58.0

Inflo

w p

er G

rate

Fro

mIn

flow

per

Gra

te F

rom

Inflo

w p

er G

rate

Fro

mIn

flow

per

Gra

te F

rom

Hea

d (in

)B

oth

Side

s of T

renc

hB

oth

Side

s of T

renc

hO

ne (1

) Sid

e O

nly

One

(1) S

ide

Onl

yE

G08

241C

IB (g

pm)

EG

0824

1CIB

(cfs

)E

G08

241C

IB (g

pm)

EG

0824

1CIB

(cfs

)1/

4"17

0.04

80.

021/

2"47

0.11

220.

051"

134

0.30

610.

142"

379

0.84

172

0.38

3"74

11.

6533

70.

754-

1/2"

1,07

32.

3963

11.

416"

1,23

12.

7495

22.

127-

1/2"

1,38

23.

089-

1/2"

1,54

73.

4511

"1,

670

3.72

12"

1,74

13.

88

Not

e:A

. In

flow

is c

alcu

late

d ut

ilizi

ng w

eir

and

orifi

ce e

quat

ions

. Hea

d (f

t.) is

the

dept

h of

wat

er a

bove

the

grat

e su

rfac

e.B

. W

eir

Flow

is m

odifi

ed to

use

onl

y th

e le

ngth

per

imet

er. W

idth

per

imet

ers a

re n

ot c

onsi

dere

d si

nce

tren

ch g

rate

s are

nor

mal

ly

laid

end

to e

nd a

nd n

ot u

tiliz

ed a

s a st

and

alon

e gr

atin

g.C

. C

alcu

late

d In

flow

is b

ased

on

fluid

flow

from

bot

h di

rect

ions

(wei

r) a

nd is

stat

ed fo

r on

e gr

ate

leng

th.

D

. N

o al

low

ance

is m

ade

for

debr

is c

logg

ing

the

grat

e.

E.

Wei

r Fl

ow to

Tra

nsiti

onal

at 0

.17'

hea

d - F

low

from

Bot

h Si

des.

F.

Tra

nsiti

onal

to O

rific

e flo

w a

t 0.3

6' h

ead

- Flo

w fr

om B

oth

Side

s.G

. D

imin

ishe

d ca

lcul

ated

flow

acc

urac

ies a

t hea

ds le

ss th

an 0

.1'.

H.

Tre

nch

Cha

nnel

flow

s fro

m 0

.58

cfs (

258

gpm

) to

4.20

cfs

(1,8

84 g

pm) p

er se

ctio

n at

0.5

% sl

ope

[0.5

" ri

se/9

6" r

un] .

I. 0

.026

cfs

(11.

7 gp

m) i

ndiv

idua

l gra

ting

inflo

w m

axim

izes

tren

ch w

ith o

pen

end,

flow

ing

full

with

a 3

20 l.

ft. r

un.

J.

Mul

tiply

Inflo

w, s

tate

d in

cfs

or

gpm

, tim

es 4

to e

stim

ate

grat

e in

flow

per

8' l

ong

sect

ion.

EG

0824

1CIB

Inflo

w

#6 S

tand

ard

Eco

noD

rain

Duc

tile

Gra

ting

Inflo

w, (

gpm

) - F

rom

Bot

h Si

des o

f Gra

te

0

200

400

600

800

1,00

0

1,20

0

1,40

0

1,60

0

1,80

0

1/4"

1/2"

1"2"

3"4-

1/2"

6"7-

1/2"

9-1/

2"11

"12

"

Hea

d of

Wat

er A

bove

Gra

ting

(inch

es)

Fluid Inflow, (gallons per minute)

EG

0824

1CIB

(gpm

)

#6 S

tand

ard

Eco

noD

rain

Gra

te: E

G08

241C

IB S

erie

sM

ater

ial:

AST

M A

48 C

lass

35

Gra

y Ir

onL

oad

Spec

ifica

tion:

AA

SHT

O M

306-

04 H

S20

G

rate

Dim

ensi

ons:

1.5

" x

8" x

24"

Gra

te O

pen

Are

a: 6

1%G

rate

Ope

n A

rea:

116

sq. i

n.

EG

0824

1CIB

Inflo

w

#6 E

cono

Dra

in®

AD

A C

ast D

uctil

e G

ratin

gG

rate

Par

t No.

:E

G08

241D

IAD

A[F

inis

h: B

lack

(Std

.)]E

G08

241D

IAD

AG

[Fin

ish:

Gal

vani

zed]

Gra

te L

engt

h:2

feet

(24

in.)

Gra

te O

pen

Are

a:37

.9%

Gra

te O

pen

Are

a (s

q. in

. / l.

ft)36

.4

Inflo

w p

er G

rate

Fro

mIn

flow

per

Gra

te F

rom

Inflo

w p

er G

rate

Fro

mIn

flow

per

Gra

te F

rom

Hea

d (in

)B

oth

Side

s of T

renc

hB

oth

Side

s of T

renc

hO

ne (1

) Sid

e O

nly

One

(1) S

ide

Onl

yE

G08

241D

IAD

A (g

pm)

EG

0824

1DIA

DA

(cfs

)E

G08

241D

IAD

A (g

pm)

EG

0824

1DIA

DA

(cfs

)1/

4"17

0.04

80.

021/

2"47

0.11

220.

051"

134

0.30

610.

142"

379

0.84

172

0.38

3"54

61.

2233

70.

754-

1/2"

673

1.50

631

1.41

6"77

31.

727-

1/2"

867

1.93

9-1/

2"97

12.

1611

"1,

048

2.33

12"

1,09

22.

43

Not

e:A

. In

flow

is c

alcu

late

d ut

ilizi

ng w

eir

and

orifi

ce e

quat

ions

. Hea

d (f

t.) is

the

dept

h of

wat

er a

bove

the

grat

e su

rfac

e.B

. W

eir

Flow

is m

odifi

ed to

use

onl

y th

e le

ngth

per

imet

er. W

idth

per

imet

ers a

re n

ot c

onsi

dere

d si

nce

tren

ch g

rate

s are

nor

mal

ly

laid

end

to e

nd a

nd n

ot u

tiliz

ed a

s a st

and

alon

e gr

atin

g.C

. C

alcu

late

d In

flow

is b

ased

on

fluid

flow

from

bot

h di

rect

ions

(wei

r) a

nd is

stat

ed fo

r on

e gr

ate

leng

th.

D

. N

o al

low

ance

is m

ade

for

debr

is c

logg

ing

the

grat

e.

E.

Wei

r Fl

ow to

Tra

nsiti

onal

at 0

.17'

hea

d - F

low

from

Bot

h Si

des.

F.

Tra

nsiti

onal

to O

rific

e flo

w a

t 0.2

3' h

ead

- Flo

w fr

om B

oth

Side

s.G

. D

imin

ishe

d ca

lcul

ated

flow

acc

urac

ies a

t hea

ds le

ss th

an 0

.1'.

H.

Tre

nch

Cha

nnel

flow

s fro

m 0

.58

cfs (

258

gpm

) to

4.20

cfs

(1,8

84 g

pm) p

er se

ctio

n at

0.5

% sl

ope

[0.5

" ri

se/9

6" r

un] .

I. 0

.026

cfs

(11.

7 gp

m) i

ndiv

idua

l gra

ting

inflo

w m

axim

izes

tren

ch w

ith o

pen

end,

flow

ing

full

with

a 3

20 l.

ft. r

un.

J.

Mul

tiply

Inflo

w, s

tate

d in

cfs

or

gpm

, tim

es 4

to e

stim

ate

grat

e in

flow

per

8' l

ong

sect

ion.

EG

0824

1DIA

DA

Inf

low

#6 E

cono

Dra

in A

DA

Duc

tile

Gra

te In

flow

, (gp

m) -

Fro

m B

oth

Side

s of G

rate

0

200

400

600

800

1,00

0

1,20

0

1/4"

1/2"

1"2"

3"4-

1/2"

6"7-

1/2"

9-1/

2"11

"12

"

Hea

d of

Wat

er A

bove

Gra

ting

(inch

es)

Fluid Inflow, (gallons per minute)

EG

0824

1DIA

DA

(gpm

)

Eco

noD

rain

Gra

te E

G08

241D

IAD

A S

erie

sM

ater

ial:

AST

M A

536

65-4

5-12

Duc

tile

Iron

Loa

d Sp

ecifi

catio

n: A

ASH

TO

M30

6-04

HS2

5G

rate

Dim

ensi

on: 1

.5"

x 8"

x 2

4"G

rate

Ope

n A

rea:

37.

9%G

rate

Ope

n A

rea:

72.

7 sq

. in.

EG

0824

1DIA

DA

Inf

low

Tre

nch

Flow

Cap

acity

Mul

tiDra

in S

yste

ms,

Inc.

#6 E

cono

Dra

in T

renc

h Fo

rmin

g Sy

stem

Stan

dard

EPS

For

ms w

ith T

renc

h Sl

ope

@ 0

.5%

, Rad

ius B

otto

m T

renc

hM

odifi

ed E

PS F

orm

s with

Tre

nch

Slop

e @

1.0

%, R

adiu

s Bot

tom

Tre

nch

Std.

EPS

#6 T

renc

h Fl

ow#6

Tre

nch

Flow

Std.

Sec

tion

Dep

thSe

ctio

nG

PM S

lope

EPS

#6 T

renc

h Fl

ow#6

Tre

nch

Flow

Sect

ion

Dep

thSe

ctio

nG

PM S

lope

Sect

ion

Std.

Slo

pe =

0.5%

Std.

Slo

pe =

0.5%

Slop

e =

0.5%

Stor

age

Adj

ustm

ent

Sect

ion

(Slo

pe =

1.0%

)(S

lope

=1.

0%)

Slop

e =

1.0%

Stor

age

Adj

ustm

ent

(cfs

)(g

pm)

(in)

(US

Gal

s)Fa

ctor

, Fk

(cfs

)(g

pm)

(in)

(US

Gal

s)Fa

ctor

, Fk

0606

0.41

183

6.0

to 6

.510

.22,

581

0606

A0.

6629

76.

0 to

7.0

11.5

2,97

406

070.

4721

06.

5 to

7.0

11.5

2,97

406

07A

0.84

377

7.0

to 8

.014

3,77

406

080.

5323

87.

0 to

7.5

12.7

3,37

206

08A

1.02

458

8.0

to 9

.016

.54,

585

0609

0.59

267

7.5

to 8

.014

3,77

406

09A

1.20

540

9.0

to 1

0.0

195,

404

0610

0.66

295

8.0

to 8

.515

.24,

178

0610

A1.

3962

310

.0 to

11.

021

.56,

229

0611

0.72

324

8.5

to 9

.016

.54,

585

0611

A1.

5770

611

.0 to

12.

024

7,05

8Sh

allo

w06

120.

7935

39.

0 to

9.5

17.7

4,99

306

12A

1.76

789

12.0

to 1

3.0

26.4

7,89

106

130.

8538

29.

5 to

10.

019

5,40

406

13A

1.94

873

13.0

to 1

4.0

28.9

8,72

7E

PS06

140.

9241

110

.0 to

10.

520

.25,

816

0614

A2.

1395

614

.0 to

15.

031

.49,

564

0615

0.98

440

10.5

to 1

1.0

21.5

6,22

906

15A

2.32

1,04

015

.0 to

16.

033

.910

,403

Form

s06

161.

0547

011

.0 to

11.

522

.76,

643

0616

A2.

511,

124

16.0

to 1

7.0

36.4

11,2

4406

171.

1149

911

.5 to

12.

024

7,05

806

17A

2.69

1,20

917

.0 to

18.

038

.912

,085

0618

1.18

529

12.0

to 1

2.5

25.2

7,47

506

18A

2.88

1,29

318

.0 to

19.

041

.412

,928

0619

1.24

558

12.5

to 1

3.0

26.4

7,89

106

19A

3.07

1,37

719

.0 to

20.

043

.913

,771

0620

1.31

588

13.0

to 1

3.5

27.7

8,30

906

20A

3.26

1,46

220

.0 to

21.

046

.414

,615

0621

1.37

617

13.5

to 1

4.0

28.9

8,72

706

21A

3.44

1,54

621

.0 to

22.

048

.915

,460

0622

1.44

647

14.0

to 1

4.5

30.2

9,14

506

22A

3.63

1,63

122

.0 to

23.

051

.416

,305

0623

1.51

676

14.5

to 1

5.0

31.4

9,56

406

23A

3.82

1,71

523

.0 to

24.

053

.917

,151

0624

1.57

706

15.0

to 1

5.5

32.7

9,98

306

24A

4.01

1,80

024

.0 to

25.

056

.417

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0625

1.64

736

15.5

to 1

6.0

33.9

10,4

0306

25A

4.20

1,88

425

.0 to

26.

058

.918

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0626

1.71

765

16.0

to 1

6.5

35.2

10,8

2306

26A

4.39

1,96

926

.0 to

27.

061

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0627

1.77

795

16.5

to 1

7.0

36.4

11,2

4406

27A

4.58

2,05

427

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28.

063

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0628

1.84

825

17.0

to 1

7.5

37.7

11,6

6406

28A

4.76

2,13

828

.0 to

29.

066

.321

,384

0629

1.90

855

17.5

to 1

8.0

38.9

12,0

8506

29A

4.95

2,22

329

.0 to

30.

068

.822

,231

0630

1.97

884

18.0

to 1

8.5

40.2

12,5

0606

30A

5.14

2,30

830

.0 to

31.

071

.323

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0631

2.04

914

18.5

to 1

9.0

41.4

12,9

2806

31A

5.33

2,39

331

.0 to

32.

073

.823

,927

Dee

p06

322.

1094

419

.0 to

19.

542

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0632

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522,

477

32.0

to 3

3.0

76.3

24,7

7506

332.

1797

419

.5 to

20.

043

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0633

A5.

712,

562

33.0

to 3

4.0

78.8

25,6

23E

PS06

342.

241,

004

20.0

to 2

0.5

45.1

14,1

9306

34A

5.90

2,64

734

.0 to

35.

081

.326

,471

0635

2.30

1,03

320

.5 to

21.

046

.414

,615

0635

A6.

092,

732

35.0

to 3

6.0

83.8

27,3

20Fo

rms

0636

2.37

1,06

321

.0 to

21.

547

.615

,038

0637

2.44

1,09

321

.5 to

22.

048

.915

,460

0638

2.50

1,12

322

.0 to

22.

550

.115

,883

0639

2.57

1,15

322

.5 to

23.

051

.416

,305

0640

2.64

1,18

323

.0 to

23.

552

.616

,728

0641

2.70

1,21

323

.5 to

24.

053

.917

,151

0642

2.77

1,24

324

.0 to

24.

555

.117

,574

0643

2.84

1,27

324

.5 to

25.

056

.417

,997

0644

2.90

1,30

225

.0 to

25.

557

.618

,420

0645

2.97

1,33

225

.5 to

26.

058

.918

,843

Tab

le E

D 6

Hyd

- 01

Tre

nch

Slop

e A

djus

tmen

t Fac

tor,

Fk

Mul

tiDra

in S

yste

ms,

Inc.

Slop

e A

djus

tmen

t Fac

tor,

Fk

Prop

er e

valu

atio

n of

tren

ch fl

ow c

apac

ity m

ust t

ake

finis

hed

grad

e si

te sl

ope

into

con

side

ratio

n. S

ite sl

ope

para

llel t

o tre

nch

slop

e m

ay h

ave

a po

sitiv

e or

neg

ativ

e ef

fect

on

trenc

h flo

w c

apac

ity. R

egar

dles

s, it

is im

porta

nt to

eva

luat

e its

eff

ect t

o as

sure

eith

er a

n ad

equa

te tr

ench

dep

th a

nd sl

ope

is b

eing

inst

alle

d or

just

to m

axim

ize

effic

ienc

y an

d co

st o

f the

inst

alle

d tre

nch

as it

rela

tes t

o th

e de

sire

d de

sign

flow

par

amet

ers.

Tren

ch fl

ow c

apac

ity sh

own

in th

e ac

com

pany

ing

tabl

e an

d gr

aphs

is d

eter

min

ed b

y ap

plyi

ng M

anni

ngs E

quat

ion

for t

he st

anda

rd

Econ

oDra

in® tr

ench

slop

e of

0.5

% a

nd su

rfac

e ro

ughn

ess c

oeff

icie

nt o

f 0.0

13. T

he tr

ench

sect

ion

outle

t end

are

a is

util

ized

in th

e eq

uatio

nan

d th

e ar

ea o

ccup

ied

by th

e gr

atin

g or

cov

er is

exc

lude

d.

App

licat

ion

of th

e Sl

ope

Adj

ustm

ent F

acto

r, F k

is a

pplie

d ac

cord

ing

to E

quat

ion

A:

Q =

(Fk)

x (S

s + S

t)1/2

(equ

atio

n A

)W

here

:Q

eq

uals

tren

ch fl

ow in

gal

lons

per

min

ute

(gpm

)F k

is th

e sl

ope

adju

stm

ent f

acto

r fro

m th

e sy

stem

Tre

nch

Flow

Cap

acity

tabl

eS s

is th

e si

te sl

ope,

feet

per

feet

(dim

ensi

onle

ss)

S tis

the

trenc

h sl

ope,

feet

per

feet

(dim

ensi

onle

ss)

Exam

ple

1

A st

anda

rd E

cono

Dra

in #

6 tr

ench

is to

be

inst

alle

d in

a c

oncr

ete

slab

with

an

addi

tiona

l 0.2

% sl

ope

para

llel a

nd in

the

diec

tion

of tr

ench

flow

. The

tren

ch le

ngth

is 4

0 fe

et a

nd w

ill tr

aver

se th

e fu

ll le

ngth

of t

he c

oncr

ete

slab

. The

des

ired

desi

gn fl

ow c

apac

ity a

t the

en

d of

the

trenc

h is

585

gpm

. Det

erm

ine

the

prop

er tr

ench

size

for t

he g

iven

con

ditio

ns.

Tren

ch se

ctiin

062

0 ha

s a tr

ench

flow

of 5

88 g

pm (1

.31

cfs)

per

Tab

le E

D 6

HY

D-0

1. F

ive

trenc

h se

ctio

ns w

ill b

e re

quire

d to

fulfi

ll th

e 40

' tre

nch

leng

thre

quire

men

t.

Test

the

capa

city

of T

renc

h se

ctio

n 06

20 b

y ap

plyi

ng th

e Sl

ope

Adj

ustm

ent F

acto

r, F k

:

F k fr

om th

e Tr

ench

Flo

w C

apac

ity T

able

ED

6 H

YD

-01

for s

ectio

n 06

20 is

: 8,3

09

S t =

0.0

05N

OTE

: gal

lons

per

min

ute

(gpm

) is c

onve

rted

to c

ubic

feet

per

seco

nd (c

fs) b

y di

vidi

ng th

e gp

m re

sult

S s =

0.0

02

b

y 44

8.83

1.

Q =

8,3

09 x

(0.0

05 +

0.0

02)1/

2

Q =

695

gpm

The

resu

lts y

ield

a 1

6.5%

flow

cap

acity

incr

ease

due

to a

dditi

onal

site

slop

.

Tre

nch

Slop

e A

djus

tmen

t Fac

tor,

Fk

Mul

tiDra

in S

yste

ms,

Inc.

Now

, tes

t a se

ctio

n ha

ving

a fl

ow c

apac

ity o

f app

roxi

mat

ely

485

gpm

or a

bout

83%

of t

he ta

rget

ed fl

ow o

f 585

gpm

.

Sect

ion

0617

tren

ch fl

ow c

apac

ity is

giv

en o

n Ta

ble

ED 6

Hyd

-01

as 4

99 g

pm. D

eter

min

e th

e va

lue

for F

k fro

m th

e sa

me

tabl

e.

Test

Tre

nch

Sect

ion

0617

, hav

ing

a F k

equ

al to

7,0

58, u

tiliz

ing

Equa

tion

A.

Q =

7,0

58 x

(0.0

05 +

0.0

02)1/

2

Q =

590

gpm

.

This

test

indi

cate

s Tre

nch

Sect

ion

0617

can

be

utili

zed

to a

ttain

a m

inim

um fl

ow c

apac

ity o

f at l

east

590

gpm

.

Ther

efor

e Tr

ench

Sec

tions

061

3 to

061

7 w

ill b

e us

ed to

form

the

40 li

neal

foot

tren

ch d

rain

.Th

e ov

eral

l tre

nch

dept

h w

ill b

e fr

om 9

.5 in

. to

12.0

in.

Tren

ch d

isch

arge

flow

will

be

590

gpm

. The

tren

ch fl

ow c

an b

e ex

pres

sed

in c

ubic

feet

per

seco

nd (c

fs) b

y m

ultip

lyin

gth

e flo

w e

xpre

ssed

in g

pm b

y th

e m

ultip

lier 0

.002

228.

The

refo

re 9

45 g

pm is

equ

ival

ent t

o 1.

3 cf

s.

Q.E

.D.

Tre

nch

Flow

Cap

acity

- E

cono

Dra

in #

6 T

renc

h D

rain

Sys

tem

, Slo

pe =

0.5

%

0

200

400

600

800

1,00

0

1,20

0

1,40

0

0606060706080609061006110612061306140615061606170618061906200621062206230624062506260627062806290630063106320633063406350636063706380639064006410642064306440645

Tre

nch

Sect

ion

Part

Num

ber

Trench Flow Capacity (gpm)

0.00

1.00

2.00

3.00

4.00

Trench Flow Capacity (cfs)

(gpm

)(c

fs)

Tre

nch

Flow

Cap

acity

- E

cono

Dra

in #

6 T

renc

h D

rain

Sys

tem

, Slo

pe =

1.0

%

0

500

1,00

0

1,50

0

2,00

0

2,50

0

3,00

0

0606A

0607A

0608A

0609A

0610A

0611A

0612A

0613A

0614A

0615A

0616A

0617A

0618A

0619A

0620A

0621A

0622A

0623A

0624A

0625A

0626A

0627A

0628A

0629A

0630A

0631A

0632A

0633A

0634A

0635A

Tre

nch

Sect

ion

Part

Num

ber

Trench Flow Capacity (gpm)

0.00

1.00

2.00

3.00

4.00

5.00

6.00

7.00

Trench Flow Capacity (cfs)

(gpm

)(c

fs)

Q

, PV

C P

ipe

Flow

Dis

char

ge,

(gpm

)

-

5,00

0

10,0

00

15,0

00

20,0

00

25,0

00

46

810

1214

1618

20

Nom

inal

Pip

e Si

ze, (

in.)

Q, Pipe Discharge, (gpm)

Dis

char

ge (g

pm),

S=0.

5%D

isch

arge

(gpm

), S=

1.0%

Dis

char

ge (g

pm),

S=3.

0%D

isch

arge

(gpm

), S=

4.0%

Dis

char

ge (g

pm),

S=5.

0%

PVC

Pip

e Si

zes S

how

n fo

r C

ompa

rativ

e E

stim

ates

Onl

yN

OT

E: L

ocal

Eng

inee

ring

Eva

luat

ion

shou

ld b

e pe

rfor

med

bas

ed o

n ac

tual

pip

e la

yout

geo

met

ry.

Q, P

ipe

Flow

Dis

char

ge b

ased

on

Man

ning

s Equ

atio

n. A

ssum

es P

ipe

is fl

owin

g fu

ll.

N =

0.0

09, S

= P

ipe

Slop

eH

ead

Los

ses a

re n

ot in

clud

ed in

Dis

char

ge v

alue

.

Project: ____________________________________________________ Date:____________ Contact:_____________________________________________________________________

MultiDrain® Systems, Inc.

We Drain Your Site, Not Your Budget! P.O. Box 88, Barium Springs, NC 28010 drawn by: _____________________________ P: (704) 508-1010 or toll free: (800) 433-1119 F: (704) 508-1011 or e-mail at: www.multidrainsystems.com

Project: ____________________________________________________ Date:____________ Contact:_____________________________________________________________________

MultiDrain® Systems, Inc.

We Drain Your Site, Not Your Budget! P.O. Box 88, Barium Springs, NC 28010 drawn by: _____________________________ P: (704) 508-1010 or toll free: (800) 433-1119 F: (704) 508-1011 or e-mail at: www.multidrainsystems.com

Project: ____________________________________________________ Date:____________ Contact:_____________________________________________________________________

MultiDrain® Systems, Inc.

We Drain Your Site, Not Your Budget! P.O. Box 88, Barium Springs, NC 28010 drawn by: _____________________________ P: (704) 508-1010 or toll free: (800) 433-1119 F: (704) 508-1011 or e-mail at: www.multidrainsystems.com

MultiDrain Systems, Inc.

P.O. Box 88 Barium Springs, NC 28166

Phone: 704-508-1010 or Toll Free (800) 433-1119 Fax: 704-508-1011 E-mail: t.drain@multidrainsystems.com www.multidrainsystems.com

We drain your site, not your budget!

Makers of:

EconoDrain® EPS Trench Forming System EconoDrain PT-3™ EPS Trench Forming Systems for Airports\Ports\DOT\Intermodal MultiDrain® Steel Trench Drain Systems Alfa Channel® Polymer Concrete Trench Drain

The reported properties and data contained in this publication are based on accepted practices, measurement and evaluation . They are intended as guidelines for the sole use by MultiDrain Systems, Inc. customers and are not meant to circumvent regional or local conditions or engineer’s evaluation. Information and data may be changed or amended at any time and without notice to the user. The information and data made available in this bulletin are provided “as is” without warranties or guarantees of any kind. Furthermore, any person who accesses such information, data, or material disclaims all liability for damages, costs and expenses, and agrees that there are no remedies for negligence, or under strict liability, or for breach of warranty or contract, including, but not limited to, indirect, consequential, punitive or incidental damages, even if notice was given of the possibility of such damages.