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The growth of information technology is inevitably changing
the way that building products are procured and this process is
encouraged by initiatives such as the Constructing Excellence.
At Leaderflush Shapland we are firmly committed to driving the
use of IT to improve procurement methods – but only by
user-friendly means to ensure acceptance. Ultimately, we
envisage the specifier’s decisions simply generating an
on-line model, or ‘virtual doorset’, containing all
characteristics including size, performance levels, details,
cost, delivery implications, installation requirements and
eventual maintenance regimes. Output documents such as
specifications and schedules would be automatically and
accurately generated by such a model.
There are a number of Leaderflush Shapland initiatives already
in place which work towards this goal. Individual NBS
specifications for each product range are now available. A
typical NBS based Specification follows, with related Guidance
Notes.
The size(s) of the doors and structural openings should be
shown on drawings or a schedule, as should the type of door
arrangement, e.g. single leaf, double leaf, unequal double leaf
with transom and overpanel. Repeat individual clauses for each
different type of door construction.
Guidance notes
410A (New clause by
Leaderflush Shapland) >
(Click link to view/hide
specification)
 Clause
heading: Insert performance and finish, e.g.  INTERIOR
FACTORY PRIMED FIRE RESISTING LAMINATE POSTFORMED HIGH
SECURITY PRIMED SOUND REDUCING VENEERED Drawing
reference(s): insert component and/or schedule drawing
number(s). Manufacturer and reference: Select
appropriate range from the Leaderflush Shapland catalogue.
Insert,
e.g. Designer Plasform Original Extended
Performance Castle AV2 Pivette Fire
performance: Insert, e.g. FD30 FD60 FD90 FD120 Not
required. Smoke control: Doors which require
smoke seals should be identified on a door schedule. Insert,
required for doorsets identified on schedule or not required.
Sound
reduction: Identified required RwdB performance. Insert,
e.g. 32RwdB 47RwdB Not required.
Door leaf >
(Click link to view/hide specification)
Core:
Insert mechanical strength either Medium, Heavy or Severe duty.
Facings:
Identify whether door is veneered, MDF for paint, laminate
faced, etc., Veneer - The specification of the veneer
should cover the timber species, the method of cutting
the timber and the configuration or pattern of the flitches.
Provide details for both faces if they are different. Laminate/PVC
- State material giving details for both faces if different, and
colour/pattern where this is not shown on a separate
schedule. Insert, e.g. Oak veneer, quarter cut and book matched.
Wood
veneer, species and pattern as schedule. Wood veneer - Burr Maple
and American Cherry with Sapele inlays, pattern as shown on
drawings. Quarter cut Steamed Beech, configured with stiles/rails
to suit
applied mouldings. Perstorp Fox PP1994UN laminate both sides.
Acrovyn
PVC, colours as shown on schedule. Lippings:
Hardwood lippings, softened to a radius of 3 mm, are fitted
to vertical edges as standard (except where postformed
facings are required) and can be concealed or exposed on
veneered doors. Insert, e.g. Exposed hardwood to vertical edges.
Concealed
hardwood to all edges. PVC lipped top and bottom. Not
required. Finish as delivered: Detail which of
the standard factory applied finishes is required. Insert, e.g.
Hyalux
Natural polish. Hyalux Tint lacquer. Velvalux
Opaque paint system. Velvalux Opaque primer. Doors can
also be left clean, but a factory finish is strongly
recommended.
Glazing details
>
(Click link to view/hide specification)
Delete this item if glazing is not required.
Bead
system: Identify bead design and fixing method,
and finish
if appropriate. Insert, e.g.
Hardwood bolection bead, pin
fixed, finish and colour as
door leaf.
Hardwood
flush bead, to be screw fixed, species and finish to
match door
frame.
Steel angle trim, powder coated, colour to match door
ironmongery.
Size
and position of aperture(s): Select from the range of
standard
aperture configurations. Other
arrangements can also be
specified, but the size and position
of each
opening must be shown on component or schedule
drawings.
Insert, e.g.
Type B.
Non-standard as drawings.
Glass:
Identify type, ensuring it meets performance requirements.
Insert,
e.g.
Wired
Unwired
Insulated
Frame and
architraves >
(Click link to view/hide
specification)
Ironmongery
>
(Click link to view/hide specification)
Hinges:
Leaderflush Shapland always provide hinges with doorsets.
These are lift-off type as standard but are upgraded to fixed
pin where backcheck closers, or larger doors are required.
Hinges are available in a range of standard finishes
– BZP, stainless steel, brass, chrome or powder coated to
any RAL colour. Insert, e.g. Leaderflush Shapland standard
powder coated RAL 5010. Leaderflush Shapland standard BZP.
Leaderflush
Shapland standard brass. Locks: Leaderflush
Shapland recommend that factory morticing be carried out for all
recessed items. All recessed ironmongery must incorporate
radiused corners. Insert, e.g. Factory morticed, supplied and
fixed by others. Refer to schedule. Morticed
items supplied and fixed by Leaderflush Shapland. Refer to
schedule. Site morticed, supplied and fixed by others. All
ironmongery supplied and fitted by Leaderflush Shapland with
morticed items factory fitted.
Perimeter seals
>
(Click link to view/hide specification)
Fire
seals: Intumescents and smoke seals are included as
standard
to ensure the doorset achieves the stated fire performance.
With
pairs of doors the primary leaf will always feature an exposed
combination seal at the meeting stile (see edge detailing, intumescents and seals).
Insert, e.g. Rebated in door frame, rebated in door edges.
Concealed
behind vertical lippings on door leaf. Where the
positions of the intumescent seals vary between individual
doorsets
(e.g. some but not all of them are concealed), insert e.g.
fitted
in positions shown on schedule. Acoustic seals:
Included as standard to ensure the doorset
achieves the stated sound reduction performance. Insert:
Required
Not
required Weather seals: Option
available for draft/weather seals fitted in
the frames. Insert: Required Not required
Other requirements
>
(Click link to view/hide specification)
Insert reference to special
items such as thresholds and edge protection.
Fixing >
(Click link to view/hide specification)
We would always recommend that frames are prepared for fixings
at works. Insert:
Predrilled with matching pellets
Frames drilled by others
| We can also assist designers with their own specifications
and door schedules. In particular, pre-tender schedules can be
prepared from floor plans and other information or we can
provide standard format schedules for completion by
specifiers. The Checklist which follows can help in ensuring
that all necessary information is provided for scheduling. |
Ordering
We have introduced ‘Alpha Scheduling’ for our
internal handling of detailed project information which acts as
a single database at all stages. This ensures that the same,
full information is used for quotations, orders and
acknowledgements, and generates a single order document in an
industry-friendly format without omissions.
Alpha Scheduling can also help with the production of
specifications and door schedules. To ensure the fastest lead
times and minimise follow-up information requests, we recommend
use of the following Checklist.
Click here to open
checklist PDF >
|
