2.2
FABRICATION
Prior to cutting and fabrication, field measure each drapery location
paying particular attention to field conditions affecting the work.
2.2.1
Drapery Fabrication
2.2.1.1
Panels
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NOTE: Select fullness required, enter percentage
and edit fullness definition to suit (i.e. 200
percent fullness is defined as 2 times the rod
width plus overlaps and returns.) Select
appropriate length.
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Make from full or half widths of fabric to give a minimum of [200] [250]
[300] [_____] percent fullness. [_____] percent fullness is defined as [2]
[2 1/2] [3] [_____] times the rod width plus overlaps and returns. Provide
[conventional french pleats] [ripplefold]. Draperies shall be [floor]
[sill] [apron] length. [Floor length draperies shall hang 25 mm one inch
above finish floors.] [Sill length draperies shall hang 13 mm 1/2 inch
above window sills and heating-air conditioning units.] [Apron length
draperies shall hang 25 mm one inch below bottom of window aprons.] Provide
table-sized drapery panels with a plus or minus tolerance of 6 mm 1/4 inch
accurately laid-out before cutting. Cut fabric to allow for pleats and for
outside ends to return to the walls. For traverse draperies, allow for a
minimum overlap of 75 mm 3 inches at the center. Accurately match
patterned fabrics to provide identical designs horizontally and vertically
on each window within each room. Where variations in length or placement
of windows occur in a room, match patterns horizontally. When fabricating
panels from fabrics which require special methods or instructions, conform
to the workroom instructions provided by the fabric manufacturer. Sew
seams and hems using a firm interlocking stitch at a stitch rate per
millimeter inch appropriate to fabric being sewn. Sew with enough slack
present so that thread shrinkage due to laundering and dry cleaning will
not pucker seams and hems. Do not expose seam and hem raw edges.
2.2.1.2
Headings
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NOTE: This specification covers conventional triple
french pleat and ripplefold construction and
heavy-duty rodding. Special "architectural" type
patented pleating systems are not included. Where
special heading treatment is required, appropriate
requirements should be incorporated into the project
specification.
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Pleat evenly to required widths. Make headings 100 mm 4 inches high with
triple french pleats, and double fold. Include permanent finish stiffener
of buckram, crinoline, or pellon across entire heading. Paper stiffening
is not acceptable. Machine stitch pleats for a depth of at least 95
millimeters 3 3/4 inches. Do not use horizontal stitching across the width
of the heading.
SECTION 12491N
Page 10
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