GRP Sectional Water Tank

GRP sectional panel water tanks offer a flexible and reliable solution for water storage across residential, commercial, and industrial applications. Constructed from Glass Reinforced Plastic, these tanks are corrosion-resistant, lightweight, and designed for long-term durability in Malaysia’s climate. The modular panel system allows for easy transportation, on-site assembly, and custom sizing to suit various capacity requirements. Ideal for potable water storage, GRP tanks ensure hygiene, strength, and low maintenance, making them a practical choice for modern infrastructure needs.

General Specifications

Standard :
Singapore Standard SS245: 2014, MS 1390 : 2010 similar to British Standard BS 7491
Part 3:1994 and BS EN 13280:2001

Materials :
Sheet Moulding Compound (SMC) consists of :
Resin – Isophthalic unsaturated polyester resin conforming to BS 3532 specification
Fiber Glass – Low alkali fibre glass conforming to JIS R3411 to R3417 or BS 3396, BS 3496 and BS 3749 specifications

Manufacturing Process :
Hot pressed SMC compression moulding

Tank Structural Support :
Tie-rod System:
External: Hot Dipped Galvanised Steel
Internal: SS304 Tie-rod, Optional SS316
Roof Support : PVC/ABS pipes with GRP roof panel stiffener

External Braced System :
External: Hot Dipped Galvanished Steel
Internal: None (metal free inside, non-partitioned tank only)
Roof Support: PVC Poles with GRP roof panel stiffener

Sealant :
Non toxic PVC foam/EPDM Rubber

Bolt, Nuts, Washers :
External:
– Standard : Hot Dipped Galvanised Steel
– Optional : SS 304/316

Internal:
– Standard : SS 304 (In-contact with water)
– Optional : SS 316 (In-contact with water)

Roof :
– Standard: Hot Dipped Galvanised Steel
– Optional: SS 304/316

Ladder :
External:
– Standard : Hot Dipped Galvanised Steel, 300mm width

Internal:
– Standard: PVC or Aluminium, 300mm width
– Optional: GRP or SS 304/316, 300mm width

Water Level Indicator :
– Standard: Reversed Reading Mechanical Ball Float Type (Cat & Mouse)
– Optional: Direct Reading Clear Tube Type

Nozzel Panel :
Pipe nozzles flange not inclusive
Flat panels will be provided on request

*Note: Specification may vary according to client’s requirement.

By encapsulating a 50mm layer of rigid polyurethane foam, PIPECO pre-insulated panel could maintain the desired water temperature stored inside the tank under extreme temperature condition. PIPECO pre-insulated panel could be selected for water storage where there is a need to stabilize the temperature against extreme heat or freezing conditions so to prevent dew formation.

Performance of Panels

Characteristics	PIPECO GRP – Tank Panel Performance	Acceptance Criteria (SS 245:2014 Specification)
Tensile Strength (MN/m²)	107	>70 (min)
Bending Strength (MN/m²)	167	> 100 (min)
Elastic Modulus in Bend (MN/m²)	11953	> 6000 (min)
Glass Content (%)	33	> 25 (min)
Barcol Hardness	59	>30 (min)
Water Absorption (%)	0.2	0.5 (max)

Tank Height	Main Beam	Sub Beam	Concrete Plinth Distance
1.0m	not provided	not provided	1000mm c/c
1.5m	Hollow Section 50mm x 50mm x 3mm	Hollow Section 50mm x 50mm x 3mm	1000mm c/c
2.0m	Hollow Section 50mm x 50mm x 3mm	Hollow Section 50mm x 50mm x 3mm	1000mm c/c
2.5m	Hollow Section 50mm x 50mm x 3mm	Hollow Section 50mm x 50mm x 3mm	1000mm c/c
3.0m	Hollow Section 50mm x 50mm x 3mm	Hollow Section 50mm x 50mm x 3mm	1000mm c/c
3.5m	Hollow Section 50mm x 50mm x 4mm	Hollow Section 50mm x 50mm x 4mm	1000mm c/c
4.0m	Hollow Section 50mm x 50mm x 4mm	Hollow Section 50mm x 50mm x 4mm	1000mm c/c

*c/c = centre to centre

* PIPECO reserves the right to provide alternate skid base designs

PIPECO recommends an ideal concrete plinth size of 300mm (W) x 500mm (H), with maximum variance in height of not more than 2mm

Overview of Internal Structural Support for GRP Sectional Water Rank

PIPECO GRP sectional water tank is constructed with bottom, side and top panels, completes with external and internal structural reinforcement and necessary tank accessories to facilitate water storage.

Tank Height	Main Beam	Sub Beam	Concrete Plinth Distance
1.0m	not provided	not provided	1000mm c/c
1.5m	Hollow Section 50mm x 50mm x 3mm	Hollow Section 50mm x 50mm x 3mm	1000mm c/c
2.0m	Hollow Section 50mm x 50mm x 3mm	Hollow Section 50mm x 50mm x 3mm	1000mm c/c
2.5m	Hollow Section 50mm x 50mm x 3mm	Hollow Section 50mm x 50mm x 3mm	1000mm c/c
3.0m	Hollow Section 50mm x 50mm x 3mm	Hollow Section 50mm x 50mm x 3mm	1000mm c/c
3.5m	Hollow Section 50mm x 50mm x 4mm	Hollow Section 50mm x 50mm x 4mm	1000mm c/c
4.0m	Hollow Section 50mm x 50mm x 4mm	Hollow Section 50mm x 50mm x 4mm	1000mm c/c

*c/c = centre to centre

* PIPECO reserves the right to provide alternate skid base designs

PIPECO recommends an ideal concrete plinth size of 300mm (W) x 500mm (H), with maximum variance in height of not more than 2mm

PIPECO External Braced GRP Tank Specification

Tank Height	Skid Base Type	Skid Base Size	Side I Beam Type	Side I Beam Size
2.0m (H)	SHS (Hollow)	50mm x 50mm	RHS (Hollow)	50mm x 125mm
2.5m (H)	SHS (Hollow)	50mm x 50mm	UB (I Beam)	100mm x 150mm
3.0m (H)	SHS (Hollow)	50mm x 50mm	UB (I Beam)	100mm x 200mm
3.5m (H)	UB (I Beam)	100mm x 150mm	UB (I Beam)	100mm x 200mm
4.0m (H)	UB (I Beam)	100mm x 150mm	UB (I Beam)	100mm x 250mm
4.5m (H)	UB (I Beam)	100mm x 150mm	UB (I Beam)	100mm x 300mm
5.0m (H)	UB (I Beam)	100mm x 200mm	UB (I Beam)	100mm x 300mm

Notes:

SHS: Square Hollow Section
RHS: Rectangular Hollow Section
UB: Universal Beam

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