SECTION 07810 - -PLASTIC SKYLIGHTS

Models FG-605, FG-607, FG-610

PART 1: General

1.01DESCRIPTION:

  1. Scope:

This section includes everything necessary for and incidental to the execution and completion of the plastic domed skylight work as shown on the drawings and specified herein.

  1. Work Included:

Work included, and is limited to, the skylight materials only and includes the following:

  1. Domed plastic skylights complete with curb frame (for mounting on flashed curbs by others) and (single) (double), glazed 100% acrylic dome(s). Curb frames to have integral counterflashing.
  1. Related Work:
  1. Section ______roofing.
  2. Section ______flashing & sheet metal.
  3. Section ______final cleaning.

1.02 DESIGN CRITERIA:

  1. Structural Criteria:

Plastic skylights must meet the requirements of American Architectural Manufactures Association (AAMA) publication “Voluntary Uniform Load Structural Standard for Plastic Domed Skylights” (AAMA 1606-82) which requires acrylic thickness adequate to withstand a positive and negative test pressure of 60 PSF.

  1. Moisture Control:
  1. Skylights shall have integral condensation gutter and weep holes for draining any moisture to outside.
  1. Skylights shall utilize manufactures standard silicone seal between retainer and domes to minimize air and water infiltration.
  1. Double dome skylights shall utilize GSI’s silicone plus seal gasketing system to minimize moisture and dust accumulation between domes.

1.02SUBMITTALS:

  1. Shop Drawings:

Submit___ copies of manufacturer’s standard approval sheet for architect’s review and approval.

PART 2: PRODUCTS:

2.01 MANUFACTURER:

  1. Skylight shall be GSI factory glazed (FG) model 605 (bubble shaped domes) or model 610 (pyramid shaped dome) as manufactured by GSI Skylight Products, Inc., Grayslake, IL. (847-223-4500) sizes as shown on the drawings. Substitute manufacturers shall not be considered without prior approval in writing no later than ten (10) calendar days prior to the bid. To prequalify, substitute manufacturers must have been in the skylight buisness for not less than a period of 15 years and must submit to the architect the following:
  1. Proof of competency which shall include a list of similar projects successfully completed within the past five years and proof of financial capability.
  1. Complete details of proposed skylight.
  1. Complete specifications for the architect’s review.

2.02 MATERIALS:

  1. Curb frame o be fabricated from 6063-T5 or T6 aluminum extrusion having a minimum thickness of .078” and shall have a built in condensation gutter. Corners shall be welded to insure leakproof quality.
  1. 100% acrylic dome(s) shall be clear, #2447 white, or #2412 bronze, (clear/ clear, clear/ #2447 white, or #2412 bronze/ clear) and shall be held in place by a fully welded extruded aluminum-retaining frame with a minimum thickness of .063”.
  1. Aluminum finish to be (standard mill) (bronze baked enamel) (clear, bronze or black anodized).

2.03 FABRICATION:

  1. Skylight shall be factory assembled.
  1. All welding of aluminum shall be by the heliarc process.

PART 3: EXECUTION

3.01 INSPECTION:

  1. Prior to starting installation, the skylight installer shall inspect the supporting curbs for completeness and watertightness to verify that they are properly prepared to receive the work. Report, in writing, any deficiencies in the substrate. Work shall not proceed until all deficiencies are corrected.

3.02 PREPARATION:

  1. Tops of curbs shall receive coating of mastic, provided by installer, to form watertight seal between skylight curb frame and curbing.

3.03 INSTALLATION:

  1. An experienced installer familiar with the manufacturer’s system and installation procedures shall install the skylight.

END OF SECTION 07810

© 2002 GSI Glazed Structures Incl. All Rights Reserved.

A copyright license to reproduce this specification and computer disk is hereby granted to

non-manufacturing architects, specification writers, and designers.