Object: Internal Wooden Staircase Of A Two-Story Building Task: Covering The Stairs In Accordance With Fire Safety Requirements. The Height Of The Staircase Is 2.6 Meters, Width Is 1 Meter. The Total Area Of The Stairs Is 30 (Thirty) Square Meters. All Work And Materials Are Performed At The Expense Of The Supplier. 1. Covering The Steps With Anti-Slip Material Requirements For Choosing Material: • Main Options: O Corrugated Aluminum Sheets (Grade Anr, Thickness 2-3 Mm, Standard Din 51130 R10). Installation Technology: • The Sheathing Is Secured Using Special Adhesives (Epoxy Or Polyurethane) Or Mechanical Fasteners (Aluminum Rivets). • At Least 4 Attachment Points Must Be Provided For The Length Of Each Step. 2. Fire Safety Requirements • To Increase The Fire Resistance Of Wood: O By Covering The Side And Bottom Parts Of The Step With Aluminum Sheets. After Covering, The Surface Should Be Smooth. • All Materials Must Be Certified In Accordance With The Technical Regulations Of The Republic Of Kazakhstan “Fire Safety Requirements” (049-2017). 3. Documentation And Warranty • The Supplier Is Obliged To Provide: O Fire Safety Certificates For Materials. O Anti-Slip Test Report (Din 51130/Rds Standard). O Warranty Period: For Cladding – At Least 3 Years.
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