Babcock FD FDD B Series Spec

Section 08 3483: Floor Doors and Frames Page 1 of 3

3-PART CSI MASTERFORMAT SPECIFICATION SECTION 08 3483 FLOOR DOORS AND FRAMES PART 1 - GENERAL

0.1 SUMMARY A. Section includes:

1. Floor Doors provide safe and reliable access below ground and between building floors

B. Related Sections:

1. Section 077200 "Roof Accessories" for roof hatches.

2. Section 078123 "Intumescent Fireproofing" for fireproofing applied to underside of fire doors.

3. Section 083113 "Access Doors and Frames" for wall- and ceiling-mounted access doors and frames.

0.2 REFERENCES A. Aluminum Diamond Tread Plate: ASTM B632-02, 1/4 inch 6061-T6 aluminum with mill finish. B. Aluminum Extrusion: 6061-T6 aluminum. C. Steel Diamond Tread Plate: ASTM A786. D. Steel Angle: ASTM A36-94 steel frame, structural. E. Hot Dip Galvanized: ASTM A-123. F. Stainless Steel Diamond Tread Plate: ASTM A793 stainless steel, No. 304 finish. G. Stainless Steel Angle: ASTM A276 stainless steel, No. 304 finish. H. Stainless Steel Smooth Plate: ASTM A240 smooth plate stainless steel, type No. 316. I. Fasteners: Type No. 316 stainless steel. ASTM F593 for bolts and ASTM F594 for nuts. J. Comply with NAAMM's "Metal Finishes Manual for Architectural and Metal Products" for recommendations for applying and designating finishes.

0.3 SUBMITTALS A. Shop Drawings: Show profiles, hardware, accessories, location and dimensions. B. Product Data: Manufacturer’s technical data for each type of floor door, including setting drawings, templates, finish requirements, and details of anchorage devices. C. Samples: Manufacturer to provide upon request, size to represent material adequately. D. Manufacturer's Installation Instructions: Indicate installation requirements and rough-in dimensions.

0.4 QUALITY ASSURANCE A. Qualifications: 1. Manufacturer/Installer: Company specializing in manufacturing and installation of components specified in this Section with minimum of 5 years documented experience. B. Regulatory Requirements: 1. International Building Code for fire resistance rated construction 2. IBC Section 712 for Floor Fire Doors- tested in accordance with NFPA 288 and labeled by approved agency; Warnock Hersey or Underwriters Laboratory. Section 08 3483: Floor Doors and Frames Page 2 of 3

0.5 DELIVERY, STORAGE, AND HANDLING A. Deliver materials to Project site ready use. B. Exercise proper care in handling of Work so as not to disrupt finished surfaces. C. Store materials under cover in a dry and clean location off the ground.

0.6 WARRANTY A. Provide manufacturer's standard warranty. All floor doors shall be free from manufacturing defects in materials and workmanship for a period of five (5) years from the date of shipment. Should a product fail to function in normal use within this period, manufacturer shall furnish a new part at no charge. Special locks, finishes, and other special equipment (if applicable) shall be warranted by the manufacturer of those products.

PART 2 - PRODUCTS

0.1 MANUFACTURER A. Babcock-Davis 9300 73rd Avenue North Brooklyn Park, MN 55428 PH: 888.412.3726 www.BabcockDavis.com

0.2 ALUMINUM FLOOR DOORS A. Angle Frame Water Tight Aluminum Floor Door: Model BFDWTA 1. Clear Unobstructed Opening Size: . 2. Frame: Mill finish aluminum, 1/4 inch (6.4 mm) aluminum, mill-finish. 3. Door: Single leaf; 1/4-inch-thick (6.4-mm-thick), diamond-pattern mill-finish aluminum plate. Manufacturers' offerings for loading capacity vary; confirm availability. See the Evaluations for discussion of AASHTO H20. 4. Loading Capacity: 650-lbf/sq. ft. (31.1-kN/sq. m) live load with a maximum deflection of L/160 and water- tightness to 10 ft (3.05 m) water column. 5. Gasket: EPDM water and odor resistant. 6. Hardware: a. Material and Finish: Type 316 stainless steel, including latch, handle, lifting mechanism assemblies, hold-open arms, brackets, hinges, pins, and fasteners. b. Hinges: Heavy-duty butt hinges with stainless-steel pins fastened to door with stainless steel carriage bolts. c. Operating Mechanism: Adjustable Type 17-7 stainless steel counterbalancing spring enclosed in a telescoping tube, heavy-duty hold-open arm that automatically locks door open at 90 degrees, release handle with red vinyl grip that allows for one-handed closure, and recessed lift handle. d. Latch: Type 316 Stainless-steel pressure locks. Revise "Lock" Subparagraph below for other options available; common types are listed. e. Optional Lock: External Padlock Hasp

B. Safety Accessories: Safety [chains] [net] [railing] [telescoping safety post] [grating] . Section 08 3483: Floor Doors and Frames Page 3 of 3

PART 3 - EXECUTION

0.1 EXAMINATION A. Verify that preparation and affected dimensions are acceptable. B. Verify tolerances and correct improper conditions.

0.2 PREPARATION A. Advise installers of details relating to floor hatch installation, including rough opening dimensions, locations of supports, and anchoring methods.

0.3 INSTALLATION A. Follow manufacturer’s instructions for installing floor doors and hatches. B. Install frames plumb and level in opening, in proper alignment with floor surface for flush installation. Secure rigidly in place. C. Position units to provide convenient access to concealed Work requiring access.

0.4 CLEAN AND ADJUST A. Clean adjacent surfaces and remove unused product and debris from site. B. Adjust doors for smooth operation.

END OF SECTION REV 04/18