Guidelines for Tender Specification


Tricel tanks are manufactured from GRP, due to its robust properties which are excellent for longevity and durability. Tricel tanks are constructed to ensure minimal maintenance is required limiting the necessity to drain down the tank during maintenance work.

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Tricel guidedlines for tender specification

The cold water tank shall be sectional, constructed from panels 1m (3.28 ft.) square using half and quarter panels where necessary.

Panels shall be hot pressed from specially formulated potable water grade of Glass reinforced plastic (G.R.P.)

All corner angles, gussets, divider carriers, and roof supports shall be from the same material.

All underwater and lid bolts, tie bars, joiners etc., shall be stainless steel grade 316 S16, external bolts shall be mild steel to BS 3692 and galvanised BS 4211:2005+A1:2008.

The lid shall be heavy duty, formed from panels as per base design, have vertical supports at each panel intersection.

All vents, warning pipes, overflows, shall have mesh screens of maximum of 0.65mm x 0.65mm holes to protect contents.

The tank shall be insulated on the sides and lid. The insulation material shall be of rigid closed cell polyurethane foam, have a protective skin securely fixed and sealed to the tank panel surface using a gasket type seal. All pipe cut outs shall have bessels, securely fitted and sealed to both the outer skin and panel face. All insulation to be to Tricel (Killarney) Unlimited Company Format 30 finish or approved equal.

Where the tank depth is greater than 1m (or the top of the tank is more than 1m from the ground) internal and external ladders shall be fitted in each compartment. Where the tank is 2m or more from the top of the tank to the finished floor level external ladders should be fitted with safety cages and comply to BS 4211:2005+A1:2008. Internal ladders may be constructed from GRP or stainless steel. External ladders may be constructed from Aluminium.

A guiderail should be fitted enclosing all access points to the tank roof, where a tank is 2m or more from the top of the tank to the finished ground level.

A divider shall be fitted to facilitate maintenance and repairs.

A side access hatch in each compartment situated on the lowest 1m x 1m panel.

The client shall ensure that potable water is not stored in tank compartments that are adjacent to compartments storing foul water due to the risk of contamination.

The contractor shall ensure that the base supports conform to the tank manufacturer’s recommendations.

Tanks to be commissioned and maintained in accordance with BS6700

The plumber should not leave the tank unattended during commissioning (first filling with water).

The tank shall be manufactured to Format 30 specification by Tricel (Killarney) Unlimited Company Ph. 00353 64-6632421 or approved equal.


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Extensive industry experience, manufacturing since 1973.

Tricel manufacture deliver & install cold water storage tanks across a wide range of industry sectors throughout Ireland & the UK. Tricel also provide import/export services for our international clients. Tricel has been Manufacturing water tanks since 1973, and are made from Glass Reinforced Plastics (GRP). This top quality material offers outstanding capabilities including long life, durability and is a cost-effective solution for water storage even in the harshest environments. Cold water storage is available for both potable and non-potable applications.


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Tanks available for all capacities, 43 litres to 4,651,290 litres. Larger tanks available on request


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