Glass Reinforced Polypropylene (GRP) Panel Tanks are square in shape and are usually manufactured in 1m x 1m square sectional panels. When these panels are bolted together with gaskets in between, they can form a large area inside a room, suitable for storing liquids from 2000 litres up to 1 mega litre (1,000,000 litres).
The square GRP Tanks are best suited for projects which are critical on space such as those found in high rise buildings, hospitals, processing plants and shopping centres. GRP tanks can generally be supplied and installed within an eight (8) week turnaround and have even more versatility in design options then their round tank counterparts. These tanks can be constructed in many variations of a polygon including wrapping around buildings column. They can also be manufactured to include an external or internal structure, bladder, spray on waterproofing or gasket, roof or no roof, be galvanised, stainless steel, epoxy coated or more.
Things to consider:
Often these square GRP Tanks are not being inspected, cleaned or serviced for lengthy periods of time as they are generally hidden in a basement or on the roof. When combining this fact with the corrosion which forms in stagnant water and the fact that these tanks are often at the top of high-rise buildings, there is a large potential for disaster. If a structural tie rod in these tanks corrodes and gives way, the entire wall of the tank falls under the pressure of the water, flooding everything in its path including penthouses, electrical equipment, gyp-rock, carpet and more. This is a preventable risk. If you have a GRP Tank which hasn’t been inspected for over a year, have a tank specialist which has knowledge regarding corrosion especially MIC conduct an evaluation. They should be experienced in isolating and draining the system and replacing structural rods in the event of emergencies.
GRP tanks, being fibre glass, have superior corrosion resistance properties to hot-dipped galvanised and stainless steel tanks. This gives it a distinct advantage over them as its price point is roughly the same as hot dipped galvanised tanks and almost half that of stainless steel. Most square tanks come with roofs, manholes, internal and external ladders as well as level indicators and fittings. All of which are as variable as your specifications required with an average design life of 20-40 years.
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