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. |