Attachment 1 - Amended Civil Engineering Plans

 

 

 

 

CAPTIVE PIPE CALCULATIONS

Pipe size
FFL Level
Pad Level

Length of captive pipe
IL downstream
ILupstream

Height of gutter
Flow rate for storm
Velocity

Static head

Darcy -weisbach
Minimum Head required to run pipe

150 mm
5.325 m
4.925 m

60 m
5.1m
5.153 m

8.325 m

0.014 cbm/sec

0.79223794 m/s

0.053 m

1.04525994 m
1.09825994 m

 

 

 

 

 

Actual Head to pipe 3.225 m OK
L
P =< P,
Vv
Pipe length (L) 60 m=
Pipe diameter (D) 0.15 m-
Flow velocity (V) 0.79 mis+

Density of fluid. (o)

Darcy friction factor \(f)

Pressure drop (AP)

1,000 ko/m? +
0.08215
10.254 kPa

To calculate Darcy friction factor (f), try our dedicated
friction factor calculator.

 

 

Flow parameters

Fluid velocity

Characteristic linear dimension

Fluid parameters

Substance

Fluid density

0.79 mis~

0.15 m+

water (50 °C).

v

988 kg/m?

Dynamic viscosity 0.0005471 kg=/(m*s)

Kinematic viscosity 0.0000005537 m?:/s

Reynolds number

Reynolds number

The flow is probably turbulent.

213,997

 

 

Reynold's number (Re)

Surface roughness (k)

Hydraulic diameter (D)

Relative roughness (k/D)

Density: (9)

Velocity (V)

Dynamic viscosity (u)

Friction factor (f)

213,997

0.01 m+

0.15 m+
0.06667
1,000 kolm?+
0.79| ms
0.0005537 Pa

 

0.08215

LINDSAY CONSULTING 2
CLA

RPE 4928.

   
 

 

THIS DRAWING REMAINS HE PROPERTY OF
LINDSAY CONSULTING PTY LTD AND IS FOR
THE SOLE USE OF THE CLIENT. NO PART
MAY BE USED IN PART OR WHOLE WITHOUT
PRIOR EXPRESS WRITTEN CONSENT OF
LINDSAY CONSULTING PTY LTD

 

CLIENT AND PROJECT DESCRIPTION
GREG & VICK] POWELL
PROPOSED RESIDENCE

NO.85 GYMPIE STREET
TEWANTIN

 

DRAWING TITLE

OPERATIONAL WORKS
STORMWATER CALCS

 

SCALES

 

SURVEY DATUM

 

ASSOCIATED CONSULTANTS

 

REVISION LIST

 

 

 

 

 

 

‘A [ORIGINAL ISSUE 13/06/22
B_| REVISED DESIGN 22/08/22
C_| ONE ADDED NOTE 24/08/22
D_[ REVISED — RFI 04/06/25
E_[NEW STORMWATER DESIGN 10/04/26
F [COUNCIL RFI 02/06/26

 

 

 

 

 

 

 

 

 

 

‘ompurer File
220416FD.DWG

 

 

DRAWING NUMBER SHEET] REV.

22-0416-F26 26) F