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Why use Omnia?
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There are several reasons why Engineers and Contractors choose the Omnia product range:
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Competitive Cost - Compares favourably to the cost of traditional formwork.
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Speed of Erection - Large areas of floor can be erected in a short space of time.
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Soffit Quality - Smooth and accurate soffit for direct decoration if required.
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Structural Strength - Capable of being designed to withstand most loading conditions.
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Shapes - Irregular shapes can be manufactured to suit contract requirements.
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Service Holes - Holes and cut outs can be accurately formed during manufacture.
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Progressive Collapse - Provision for progressive, or disproportionate collapse can be easily and economically achieved.
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Health and Safety - Provides safe working platform during construction.
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What is the Omnia System?
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This is a floor slab comprising OMNIA pre-cast concrete permanent formwork acting compositely with an in-situ concrete structural topping.
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The OMNIA system has been developed to provide the direct equivalent of an in-situ slab, and provides the facility to combine pre-cast and in-situ concrete, offering major benefits to specifiers, engineers and contractors.
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Where Can it be Used?
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The OMNIA flooring system is equally suitable for steel or concrete framed structures and also masonry buildings. It has a proven track record over many years in a wide range of building types including:
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Commercial Buildings
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Hotels, Office Blocks, Car Parks & Retail Premises
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Civil Engineering
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Water Retaining Structures, Bridges
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Residential & Housing
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Low & High Rise Flats, Budget & Quality Apartments, Students Accommodation
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Lattice Girder
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The only manufacturers of the OMNIA range of products are Hanson Concrete Products, and all such products are generally manufactured at the Washington factory. All OMNIA products from Hanson Concrete Products incorporate the OMNIA lattice girder manufactured from cold drawn wire designed with a characteristic strength of 460kN/mm².
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The triangular OMNIA lattice girder ensures a mechanical bond between pre-cast and in-situ concrete and provides the pre-cast panel with its stiffness during the temporary condition. It also facilitates a support for the top layer of reinforcement provided by the contractor.
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The dimensions of the lattice girders are determined by the overall depth of the slab, cover and the temporary condition requirements during construction. Various propping arrangements may be examined at this stage.
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Design of the Slab
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From your drawings, our Engineers will determine the optimum arrangement of steel reinforcement, concrete and lattice and provide all necessary calculations prior to manufacture.
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The amount of reinforcement required in any panel is determined by the eventual load that it will have to support in the completed structure. On a complex project with varying load combinations, the number of individual load cases can run into hundreds, with each span reinforced according to its specific need.
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11 Million Permutations
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With millions of permutations of lattice girder, steel and concrete available to our design team, we can usually cope with the most onerous of loadings and exposure requirements.
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If you are considering the use of OMNIA permanent formwork, contact us with whatever information you have, and we will be happy to assist and advise on the most suitable arrangement and overall floor depth using the OMNIA system.
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As each OMNIA panel may need to be unique in shape and in its structural capabilities, each one is designed and manufactured for a specific contract and location.
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Hanson Concrete Products is a BS EN ISO 9002 registered company.
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