89168886 Grp Tank Calculator 163312

GRP Tank Calculator, Sands Civil Services Estimation to BS 4994

Project:

Design Temp 60° C, Design Factor, K = 9.8 Calculated laminate construction = 3.1 kg.m-2 Calculated wall thickness = 6 mm Category = 2

WUC - Gaborone WTW OSEC Plant - Sodium Hypochlorite Tanks Check on Poly Phoenix Design

Tank diameter, m Calculation of Design Factor, K

2.4

Required tank volume, litres

Contents

Hand-held spray application

Machine control spray application

Hand lay-up

1.1

Design pressure (above static head):

Qc, N.mm-1

62.9 Yield Elongation

Derakane 411 HDT

5%

1.25

1.2

1.1

1.05

ü 1.1

200

20.4

0.016%

WR

300

30.6

0.019%

Allowable load limit UL

ü

K4 Factor for Cyclic Loading

Number of cycles

Range = 1.1 - 2.0

106

105

104

103

10 =10yrs @ fill / empty 3 x per day

K5 Curing procedure

62.9

As built, Qb = ∑ 0 wn.nn.un n

74.1

Qb > Qc?

ü

OK

Curing procedure?

Range = 1.1 - 1.5

1.5

K = Ks x k1 x k2 x k3 x k4 x k5

3.1 kg.m-2

Calculated, Qc

103 =10yrs @ fill / empty every 3-4 days

Post-cure

26.0

20.4 N/mm / kg/m2

Laminate construction Total weight of reinforcement

1.1

4

OK

CSM

ü 60°C

Range = 1.0 - 1.25

Load Limited

105°C

Strain Adjusted UTUS N/mm / kg/m2

Resin:

<50% loss of strength

<20% loss of strength

20-30% loss of strength

1.2

K3 Design Temperature, °C

0 0.052

Pressure at base of tank, MPa

Compatibility test or data 30-40% loss of strength

Range = 1.2 - 2.0

<1% Electrolytic Sodium Hypochlo

SG of contents

ü

K2 Factor for Chemical Compatibility

4.9

Load limited allowable Strain

1.5

Machine control filament wound

K1 Factor for Method of Manufacture:

Range = 1.5 - 3.0

20000

Tank height, inc 10% ullage, m

3.0

UTUS N/mm / kg/m2

Ks Safety Factor

Estimated wall thickness

û

9.8

Category

CSM

2.2

6.8 mm

WR

0.95

2.9 mm

<1% Electrolytic Sodium Hypochlorite

3

3

Category

ü 1

2

3

3

ü

Design Pressure

3

ü

Size of vessel, m

2 3

Geometry Safety Critical Item

Wall thickness

glass content

Resin : Glass

UTUS N/mm / kg/m2

Type of glass mat

No of Layers

Other

Based on Only dip related data coupon data ↓ ↓

Design Temp

3

Reinforced Gel Coat

ü

Known resistance ↓ Compatibility with liner / resi

Flammable

Toxic

Contents:

Corrosive

2

Highly Corrosive

Overall Design & Build Category

Weight of glass, kg.m-2

Build schedule

1

600 WR

15.6

2.00:1

33%

0.57

1

600 CSM

12.2

2.75:1

27%

1.32

1

450 CSM

9.2

2.75:1

27%

0.99

1

600 WR

15.6

2.00:1

33%

0.57

1

600 CSM

12.2

3.00:1

25%

1.32

1

450 CSM

9.2

2.00:1

33%

0.99

3.00:1

25%

2.00:1

33%

WR

0.0

0

ü Flat bottom - full

ü

Any other, eg legs, skirts,etc

û

Total >

3.3

74.1

5.8

GRP Tank Calculator: Sands Civil Services Estimation to BS 4994

Project: WUC - Mmashia WTW OSEC Plant - Sodium Hypochlorite Tanks Check on Design

Design Temp 45° C, Design Factor, K = 37.5 Calculated laminate construction = 22.3 kg.m-2 Calculated wall thickness = 8 mm Category = 1

Tank diameter, m Calculation of Design Factor, K

2.9

Required tank volume, litres

Contents

Hand-held spray application

SG of contents

Compatibility test or data

0.082

Qc, N.mm-1

118.6 Yield Elongation

Derakane 411

5%

45°C

1.25

1.20

1.15

1.10

1.05

1.05

ü Range = 1.0 - 1.25

CSM WR

Number of cycles

Range = 1.1 - 2.0

200

5.3

0.001%

300

8.0

0.001%

106

105

104

103

K5 Curing procedure

118.6

As built, Qb = ∑n0 wn.nn.un

28.3

Qb > Qc?

ü

Inadequate reinforcement

Curing procedure?

Range = 1.1 - 1.5

1.3

K = Ks x k1 x k2 x k3 x k4 x k5

22.3 kg.m-2

Calculated, Qc

103 =10yrs @ fill / empty every 3-4 days

Post-cure

6.8

5.3 N/mm / kg/m2

Laminate construction Total weight of reinforcement

1.7

104 =10yrs @ fill / empty 3 x per day

OK

Allowable load limit UL

ü

K4 Factor for Cyclic Loading

Load Limited

105°C

UTUS N/mm / kg/m2

HDT

ü

K3 Design Temperature, °C

0.01

Pressure at base of tank, MPa

Resin:

<50% loss of strength

<20% loss of strength

20-30% loss of strength

1.8

30-40% loss of strength

Range = 1.2 - 2.0

1.1

Design pressure (above static head), MPa:

ü

K2 Factor for Chemical Compatibility

6.7

<1% Electrolytic Sodium Hypochlo

Strain Adjusted UTUS N/mm / kg/m2

Machine control spray application

Hand lay-up

3.0

Machine control filament wound

K1 Factor for Method of Manufacture:

Range = 1.5 - 3.0

40000

Tank height, inc 10% ullage, m

3.0

Load limited allowable Strain

Ks Safety Factor

Estimated wall thickness

û

37.6

Category

CSM

2.2

49.1 mm

WR

0.95

21.2 mm

<1% Electrolytic Sodium Hypochlorite

3

3

Category Design Temp

3

Design Pressure

2

Size of vessel, m

3

Geometry Safety Critical Item

1

Wall thickness

glass content

Resin : Glass

UTUS N/mm / kg/m2

2.00:1

33%

0.57

1

600 CSM

3.2

2.75:1

27%

1.32

1

450 CSM

2.4

2.75:1

27%

0.99

1

600 WR

4.1

2.00:1

33%

0.57

1

600 CSM

3.2

3.00:1

25%

1.32

3

1

600 WR

4.1

2.00:1

33%

0.57

ü

1

600 CSM

3.2

3.00:1

25%

1.32

1

600 WR

4.1

2.00:1

33%

0.57

Based on Only dip related data coupon data ↓ ↓

2

Type of glass mat

No of Layers

Other

4.1

ü

2

2

600 WR

ü 1

<<<<<<<<<< >>>>>>>>>>>

1

ü

Known resistance ↓ Compatibility with liner / res

Flammable

Toxic

Contents:

Corrosive

1

Highly Corrosive

Overall Design & Build Category

Weight of glass, kg.m-2

Build schedule

ü Flat bottom - full Any other, eg legs, skirts,etc

ü

ü Total >

4.7

28.3

7.2