Technical-PVCu Windows The Contractor shall carry third party certification e.g. BM TRADA 'Q Mark' or equivalent to BS 7412: 2002, Specification for Plastic Windows made from PVCu Hollow Profiles. The Contractor shall also carry third party certification e.g. BM TRADA 'Q Mark' or equivalent to BS 7950: Specification for Enhanced Security Performance of Casement and Tilt/Turn Windows for Domestic Applications. Certifications and accreditations are subject to : • all frames fabricated and installed being internally glazed. • all frame joints being fully welded subject to size allowing in which case mechanical joints shall be used. • the total window being manufactured to meet the requirements of Approved Document L1: Building Regulations (Conservation of Fuel and Power in Dwellings). • fasteners being screws manufactured by a BS EN ISO 9001: 2000 registered company. Screws shall meet the requirements of BS 7412 and carry a minimum 10 years warranty covering all replacement costs should screws fail mechanically during the specified warranty period. Screws will be capable of ready removal, by normal screwdrivers at any time during the warranty period. The Contractor shall provide an independent product liability insurance certificate policy to provide for damages as a result of bodily injury/death sustained by any third party and party's property as a result of fastener failure. • all hinges being friction hinges and manufactured by a BS EN ISO 9000: 2000 registered company. Hinges shall be manufactured from stainless steel. Hinges shall meet the requirements of BS 7412 and BS 7950. Evidence shall be provided to certify that the hinges have been successfully tested to a minimum of 20,000 cycles of operation. Hinges shall carry a minimum 10 years warranty. • hinges for windows with restricted openings for safety purposes having a maximum of 100mm opening in the restricted position in compliance with BS 8213 Pt 1: 1991. The restrictor release mechanism shall be an integral part of the hinge and shall self-locate in one action on closure of the vent. • hinges used for windows identified to provide an emergency egress enabling compliance with Building Regulations 1991, Approved Document B. • all espagnolette cranked operating handles being manufactured by a BS EN ISO 9001 :1994 registered company. Handles shall be robust and ergonomically shaped for easy grip. Handles shall automatically lock on closing with a simple push button to release and carry a minimum 10 year guarantee. • espagnolette operating handles for windows identified to provide an emergency egress being non-deadlocking and fitted with green-buttoned push releases. • espagnolette operating handles for windows not identified for emergency egress purposes being key locking (two keys provided) with a push button release mechanism . • shootbolt espagnolette operating bars being manufactured from stainless steel and located in a 'eurogroove' and meet the requirements of BS 7412 and BS 7950. Evidence shall be provided to certify that the hinges have been successfully tested to a minimum 20,000 cycles of operation. • background ventilation being provided by ventilators which meet the requirements of BS 5440; Part 2; 2000 (Specification for Installation of Ventilation for Gas Appliances) and Building Regulations Approved Document F1 (Means of Ventilation). • reverse butt welds being finished by removing all excess weld sprue by knifing off, as close as possible to the profile. Polishing is not permitted. • telephone, television cables and similar not being routed through PVCu profiles. Where that is considered to be unavoidable by the Contractor agreement shall be reached, between the Contractor and (.........................) on the method to be used following consultations with the System Designer and User. • the glass sealed unit supplier carrying third party certification (e.g. BSI Kitemark or equivalent) to BS 5713 (or EN 1279) and glazing being in accordance with BS 6262 Code of practice for glazing for buildings and meeting the requirements of Building Regulations Approved Document N: Glazing safety in relation to impact, opening and cleaning. • (.........................) specifying all other requirements by consultation with the Contractor and User. The technical requirements of the system designer shall be strictly applied subject to the requirements of this specification. |