This standard outlines the detailed procedures for installing pitch-mastic flooring tailored for industries dealing with heavy hydrocarbon substances like kerosene, diesel, and furnace oil. It covers aspects such as substrate preparation, molten pitch-mastic handling, layering strategies, and upkeep protocols to achieve a robust, seamless, and resistant flooring solution suitable for demanding industrial environments.
Overview
This standard outlines the detailed procedures for installing pitch-mastic flooring tailored for industries dealing with heavy hydrocarbon substances like kerosene, diesel, and furnace oil. It covers aspects such as substrate preparation, molten pitch-mastic handling, layering strategies, and upkeep protocols to achieve a robust, seamless, and resistant flooring solution suitable for demanding industrial environments.
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Frequently Asked
The pitch-mastic employed for flooring in heavy hydrocarbon industries must comply with the stipulations of IS 13026, ensuring it is seamless and impermeable to moisture. It should be chemically resistant to hydrocarbons and capable of maintaining structural integrity under varying temperatures typical in such environments. Normally, the total thickness ranges between 20 to 25 millimeters, adjustable based on site-specific requirements.
The base must be stable enough to bear both the pitch-mastic and anticipated loadings. Its surface should be even, dry, and free from any ridges or depressions. To promote bonding, roughening the surface with stiff brooms, wire brushes, or coir brushes is necessary. Additionally, an appropriate slope should be provided to facilitate drainage, ensuring durability and functionality.
Key equipment includes a pitch boiler to melt and maintain the pitch-mastic in a molten state, a mechanically stirred mastic cooker for uniform temperature control, and flat mortar pans dusted with limestone powder for transporting the molten material without sticking. Application tools such as formwork, gauges, straight edges, and band levels are essential to spread and control the thickness accurately on-site.
The recommended overall thickness for pitch-mastic flooring is between 20 and 25 millimeters, subject to mutual agreement depending on site conditions. Installation may be completed in a single layer or multiple layers, using appropriate formwork and tools to maintain uniform thickness. The flooring must be seamless and moisture-impervious to meet industrial requirements.
According to the standard, the flooring should only be opened to traffic once the pitch-mastic has cooled entirely to ambient temperature. The exact cooling duration depends on environmental conditions and floor thickness. Prior to opening, ensure the surface is hardened and stable. Any damaged sections must be cut out in rectangular shapes to full depth and replaced, preferably using blow lamp techniques. Regular cleaning and immediate spill removal are also recommended to prolong flooring life.
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