FRP Water Storage Tank Specification

Tank Capacity

The water tank available to store from 1000 to 500 000 liter

Note:

This capacity is based on standard industry design, however larger capacity tank is available based on our evaluation of installation site conditions.

Tank Size

Width(W) and Length(L) :

Multiple of either 0.5 or 1.0Meter.

Height(H) :

1.0, 1.5, 2.0, 2.5, 3.0, 3.5, and 4.0Meter.

Specification:

1.

Tank’s Panel

1.1

Raw Material Used-

Resin : conforms to BS 3532 -

Glass fibre used type “E”:

Conforms to EN ISO 2078, BS 3369,

BS 3496, and BS 3749

1.2

Dimensions :

1M x 1M & 0.5M x 1M

1.3

Fabrication -

Flange              : Single Flange 90° -

Land Width       : > 50mm -

Holes Diameter : 12+/- mm

1.4

Physical Properties

Properties

SS245:1995

Tensile Strength (MN/m²)

> 70

Bending Strength (MN/m²)

> 100

Young's Modulus (MN/m²)

> 6,000

Glass Content

> 25%

Barcol Hardness

> 30

Water Absorption

< 0.5%

1.5

Performances

Roof Panels      : supports 100-kg point load

1 meters Panel : withstand pressure ≥ 41.20 kN/m²   / 0.42 bar

2 meters Panel : withstand pressure ≥ 100.06 kN/m² / 1.0 bar

3 meters Panel : withstand pressure ≥ 158.92 kN/m² / 1.6 bar

4 meters Panel : withstand pressure ≥ 217.78 kN/m² / 2.2 bar

note: P=pgh x S

(e.g. 1,000kg/m³ x 9.81 m/s² gravitational x 4 meter height x 6 times safety factor = 235.44 kN/m²)

1.6

Effect on Water

Non Cytotoxic conforming to SS 375

2.

Bolts & Nuts

2.1

Bolt Size :  Ø10mm / Ø12mm

2.2

Standard : ISO 898-1 & ISO 898-2

2.3

Material :

· Hot Dipped Galvanized Mild Steel SS 117 or equivalent applied to external water tank.

· Stainless Steel SS 304 or equivalent applied to internal water tank.

3.

Sealing Materials

3.1

Non-cytotoxic conforming to SS 375

Permanent Compressive Strain <4%

Type for assembly of

· · Roof Panels : PE Foam

· · Wall & Base Panels : Nitrile Foam / Rubber Foam / EPDM Foam

4.

Supports for Panel

4.1

Reinforcement System for Panels

· · Type I   : External Support

· · Type II  : Tie Rod

· · Type III : Internal Stays

4.2

Elements of external support are Hot Dipped Galvanized Mild Steel

4.3

Elements of internal support are SS 304

4.4

Roof thrust pole material is uPVC or equivalent materials.

5.

Pipe Connections

5.1

Piping Openings : The dimensions comply with BS 4504 for flanges and BS 21 for threads. Other standards can be requested upon our agreement.

5.2

Buyer is responsible to provide us pipe openings requirements prior to our delivery.

Nozzles

· Sizing for 50 mm ~ 200 mm

· Quantity for Inlet, Outlet, Overflow, Balancing and Warning is One of each per tank/compartment.

· Material minimum require Hot Dipped Galvanized Mild Steel or better quality.

6.

Air Vent

Nominal : Ø100mm

Material : PVC or Any anti rusty materials

7.

Manhole Hatch

Nominal Ø : 600+/- mm internal opening

Material : GRP / PVC or other equivalent materials.

Hinges : Aluminum alloy or other equivalent materials.

8.

Internal And External ladder

Provided for tanks with depth 1.5 m or more Material

: Internal ladder -  SS 304

: External ladder - Hot Dipped Galvanized Mild Steel / Aluminum / SS304

9.

Water Level Indicators

Graduated scale type attached to the side of tank complete with floats, pulleys, cord, weighted pointers and scale graduated in metric suiting depth of tank.

10.

Steel Foundation

Finishing

: Coat of Black Iron Oxide

: Hot Dipped Galvanized 

11.

Concrete Plinth (supply by others)

: Height : > 450 mm

: Width : 200 mm Length

: Tank Nominal : Length(L) or Width(W) plus 200 mm