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| The Contractors Health and Safety (CHAS) Assessment Scheme | Full Members of the A.P.H.C. (Association of Plumbing and Heating Contractors). | Davis & Birch are registered with Construction Line who provide an up-to-date register of pre-qualified suppliers for construction contracts. |
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| SAFE GAS registered. Registration Number – 513315 | Members are independently audited to prove competence and compliance to regulation and legislation in relation to asbestos. | The FGAS Register provides Fully Approved FGas Certification for England, Scotland, N. Ireland & Wales. | Avetta connects the world’s leading organizations with qualified suppliers, contractors, and vendors. |