Installation Space

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Installation Space

A space for 600mm apart from the walls in four directions (1000mm for the upper part) is required for the installation of a tank and for its inspection & maintenance.

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Skid Base

MULTANK reserves the right to provide alternate skid base designs. We recommend and ideal concrete plinth size of 400mm (W) x 475mm (H) with maximum variance in height of not more than 2mm.

External Base frame designed to BS729 HDG and the specification for materials used by tank specification is:

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Based on PAD production

WIDTH: More than 400mm

HEIGHT: More than 600mm (Including Base Frame)

INTERVAL DISTANCE: Less than 1m max.

OUTLINE DIMENSION: W,L+400mm

Horizontality Degree: Less than 1/500(Maintains Smoothness at the upper part)

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Scope of Construction

Foundation work

• The foundation work should be publicized by the customer with the specifications designed in consideration of ground endurance for the tank to be installed.
• Construction with anchor bolts will be done by our company
• The concrete strength for the foundation work should be more than 180kg/cm2
• The thickness of the finishing mortar on the foundation concrete should be less than 20mm.

Pipe work

• Our company supplies the sockets for piping in advance to the location requested by the customer. Therefore, customers should decide on the inlet and outlet for water, the overflow, and the size and location of drainage accurately when ordering the tank.

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Cautions for Handling

Transportation

Take precaution to avoid any partial great force such as an intensified load or shock to the tank. Be sure to put buffering materials on the part where a rope or vehicle contacts.

Piping

• When doing piping work, install the support strut to prevent excessive load to inlets and outlets.
• Install the pipes beginning from the tank and take precautions to prevent a biased load.
• Avoid flammables when doing welding work

Repair and maintenance

• In case of non-use for a long period of time, be sure to drain the water from the tank
• Since the tank is for storing water for living, regular safety inspection is required. (More than twice a year)

Regulations for Installation Criteria for Construction Foundation Work

• The upper part of a water tank shall be installed from more than 100cm from the construction and the other side be a distance of more than 60cm.
• The outlet for the water shall be installed at the bottom of the opposite side from the inlet and apart from the bottom of the tank so as not to discharge the sediments on the bottom. Install the water partition in order to prevent stagnation in the tank.
• Install more than one square manhole of which one side is more than 90cm or a round manhole of more than 90cm in diameter so that any person or equipment may enter for cleaning. Take the necessary actions to prevent any dust or foreign substances from entering into the tank through the manhole provided, the side or diameter of the manhole in a small tank of less than 5m3 in size may be more than 60cm for installation.
• For cleaning, hygiene inspection, and repair, a tank shall be partitioned into more than two parts, or more than two tanks shall be installed, except for the small-size tank of less than 5m3
• An alarm shall be installed for warning when the water level in tank exceeds or reduces to a certain level. The alarm receiver shall be installed in the control center.
• In the event that the tank is installed underground, it shall be installed more than 5 meters away from toxic facilities such as excretions or wastes faculties and equipment shall be installed so that people cannot access around the manhole easily. In the event of an unavoidable situation where the tank has to be installed not more than 5 meters away from toxic facilities, a blocking fence shall be installed around the tank.
• The materials for the tank and the ladder to the tank, etc., shall be anti-corrosion such as fiber reinforced plastic, stainless steel, concrete, etc.
• A pipe for air purification and the overflow pipe for controlling the water level shall be installed in the tank. Take actions to prevent any polluted substances such as insects from entering into the pipe.

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