DFB Sales > specifications

SECTION 12500 DRAPERY (PINCH-PLEAT HEADING SYSTEM)

PART 1--GENERAL

DESCRIPTION
1. General: Provide operable draperies in accordance with this document and plans.
2. Related work specified elsewhere.
  1. Rough carpentry for wood blocking and support grounds.
  2. Miscellaneous metal for framing and reinforcing.
  3. Optional: Electrical power requirements and controls for motorized draperies.
QUALITY ASSURANCE
1. Provide operable draperies from a firm that has specialized in the fabrication and installation of such work for at least five (5) years in projects of similar size and scope.
2. Provide operable draperies as complete units produced by a single manufacturer, including the necessary mounting brackets, hardware, fittings, fastenings, and installation.
3. Installation shall be performed by an authorized manufacturer's representative experienced in the installation and maintenance of such assemblies.
STANDARDS
1. Except as modified by governing codes and contract documents, comply with applicable provisions and recommendations of the following:
  1. when required by fire codes, fabrics shall be flame resistant in accordance with NFPA-701 test requirements.
  2. Flameproofing shall leave the fabric cleanable, dimensionally stable, and resistant to UV deterioration.
  3. Optional: All electrical components and systems shall be listed by the Underwriters Laboratories (), and all wiring shall be performed to National Electric Code (N.E.C.) standards.
SUBMITTALS
1. Manufacturer's Data: Submit specifications and operating and installation instructions for draperies.
2. Shop Drawings: Submit drawings for draperies, including dimensioned plans seaming instructions, details, connections, anchorages, and the relation to adjacent construction.
3. Samples: Submit 24 x 24-in. samples of fabrics(s) as specified and operable hardware with cut sheets.
4. Optional: Submit wiring diagrams detailing the wiring for motorized operation, relays, low-voltage interfaces, and switch locations.
PRODUCT DELIVERY, STORAGE AND HANDLING
1. Subcontractor shall not deliver the draperies until room(s) containing draperies are painted and ready for drapery installation. Draperies and components shall be protected from damage during delivery and installation.
WARRANTY
1. A written warranty agreeing to repair or replace hardware or fabric due to faulty material, workmanship or installation for a period of one (1) year.

PART 2--Product: Pinch-Pleat Heading System

MANUFACTURER
1. General: Provided an operable drapery system as produced by one manufacturer. Products specified herein by proprietary designation are as manufactured by DFB Sales Inc., telephone (718) 729-8310, and establish the quality standards required. Equivalent products of other manufacturers will be considered provided they meet those established standards and comply with the contract documents.
FABRICATION
Specifications for pinch-pleat heading system consist of the following:
1. Drapery heading shall be fabricated as follows: 4 in. of permanent-finish buckram shall be double folded into the heading (3 thicknesses of fabric) and sewn with either clear monofilament or triple-strand polyester thread, color matched to the fabric used. On unlined draperies, the bottom of the buckram shall be sewn to the face of the fabric. Pinch-pleats shall be bar tacked 1 in. from the bottom of the buckram, creating 3 folds of fabric.
2. Drapery fullness shall be _____ plus 10 in. added for center-opening overlap or 5-in. returns added for one-way openings.
3. Side hems shall be double turned 1 1/2 in. wide. Side hems shall consist of three layers of fabric and blindstitched so that stitches are not visible on the face of the fabric. All vertical seaming shall be sewn with a twin-needle sewing machine with salvaged trimmed and overlocked. Where patterned fabrics are used, widths shall be joined so that all patterns match perfectly. All vertical seams shall lie flat and straight without puckering.
4. Bottom hems are to be 4 in. double turned to consist of three layers of fabric, and blind-stitched. 1-in.-sq. lead weights shall be securely sewn at each seam and at the corners. For sheer or light fabrics, string weights shall be inserted in hems.
5. If less than a full width of fabric is required to accomplish the specified fullness, no less than one-half widths shall be used, and they shall be located at the extreme ends of each drapery panel.
6. Drapery Hardware: Kirsch no._____ system. Other manufacturers' products that satisfy specified requirements will be considered. Assembled sets shall be provided, complete with all the components required, to sustain imposed loads and to perform the functions shown for the respective locations.
7. Optional: Linings shall be equal to the widths of the face fabric, joined to the face fabric at the top using an inside-invisible seam and, at the side hems, hand-stitched and shadowed with a 1 1/2-in. return of the face fabric. Interlining shall extend from the top pleat to within 1/2 in. of the hem of the lining and to extend to the leading edge of the side hems to create a full-shadowed appearance.
FABRIC(S)
1. Fabric selection shall be _________.

PART 3--Execution

EXAMINATION
1. Examine substrates, adjoining construction and conditions under which the work is to be installed. The work shall not proceed until unsatisfactory conditions have been corrected.
PREPARATION
1. Install draperies with hardware in accordance with manufacturer's recommendations.
2. Hang draperies so that the top of the heading clears the ceiling above by 1/4 in. and the bottom hem clearance is a maximum of 1 in. from the finished floor or 1/2 in. from the sill line.
3. Draperies shall be free of creases and wrinkles after hanging and shall be steamed and dressed down as required.
PROTECTION
Protect draperies from soiling or damage after hanging.