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SECTION 07723

ROOF HATCHES

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** NOTE TO SPECIFIER ** The BILCO Company; roof hatches.
This section is based on the products of The BILCO Company, which is located at:
P. O. Box 1203
New Haven, CT 06505-1203
Toll Free Tel: 800-366-6530
Fax: 203-535-1582
Email: request info ()
Web: www.bilco.com
[ Click Here ] for additional information.
The BILCO Company has served the building industry since 1926. During these years it has built a reputation among architects, engineers, specifiers, and the construction trades for dependability and for products that are unequaled in design and workmanship. BILCO, a wholly owned subsidiary of AmesburyTruth which is a division of Tyman PLC, has been a pioneer in the development of specialty access products for commercial and residential construction markets.
The BILCO Company continues to be the industry leader in the design and manufacture of specialty access products. In order to better serve its customers, BILCO has added manufacturing facilities and strategic distribution throughout the world, along with establishing an extensive international network of factory-trained representatives. These representatives, combined with BILCO's highly skilled and dedicated personnel, ensure a level of customer service that is unequaled in the industry. As the leader in design innovation, many of BILCO's products incorporate features for which numerous U.S. and international patents have been issued. Years of engineering experience, coupled with manufacturing facilities utilizing the most modern equipment available, allows BILCO to design and fabricate access products for virtually every application.
The BILCO Company is committed to producing access products that are unequaled in quality, design and workmanship. BILCO products are fabricated to consistently high quality standards to ensure complete customer satisfaction. As part of its commitment, BILCO has implemented a LEAN manufacturing quality and continuous improvement system that has achieved ISO 9001 certification.

PART 1 GENERAL

1.1 SECTION INCLUDES

** NOTE TO SPECIFIER ** Delete items below not required for the project.

A. Roof Hatches of the Following Types:

** NOTE TO SPECIFIER ** Delete roof hatch types not required.

1. Type D Double Leaf, Special Size Roof Hatches.

2. Type D-50T Double Leaf, Special Size, Thermally Enhanced Roof Hatches.

3. Type E Single Leaf, Ladder Access Roof Hatches.

4. Type E-50TB Single Leaf, Ladder Access, Thermally Broken Roof Hatches.

5. Type F Single Leaf, Equipment Access Roof Hatches.

6. Type F-50TB Single Leaf, Equipment Access, Thermally Broken Roof Hatches.

7. Type GS Single Leaf, Skylight, Ladder Access Roof Hatches.

8. Type GS-50TB Single Leaf, Skylight, Ladder Access, Thermally Broken, Roof Hatches.

9. Type L Single Leaf, Service Stair Roof Hatches.

10. Type L-50TB Single Leaf, Service Stair, Thermally Broken Roof Hatches.

11. Type NB Single Leaf, Ship Stair, Roof Hatches.

12. Type NB-50TB Single Leaf ,Ship Stair, Thermally Broken Roof Hatches.

13. Type NB-HZ Single Leaf ,Ship Stair, Miami-Dade Approved Roof Hatches.

14. Type S Single Leaf, Ladder Access, Miami-Dade Approved Roof Hatches.

15. Type S-50TB Single Leaf ,Ladder Access, Thermally Broken Roof Hatches.

16. Type SEC Single Leaf Security Series Roof Hatches.

17. Type SS Single Leaf, Special Size Roof Hatches.

18. Type SS-50TB Single Leaf, Special Size, Thermally Broken Roof Hatches.

19. Type VM Single Leaf Roof Hatches.

B. Roof Hatch Rail Systems: Bil-Guard 2.0.

C. Ladder Safety Posts: Type LU.

1.2 RELATED SECTIONS

** NOTE TO SPECIFIER ** Delete any sections below not relevant to this project; add others as required.

A. Section 07726 - Automatic Smoke Vents.

B. Section 07729 - Operable Roof Vents.

C. Section 08310 - Floor Access Doors.

D. Section 083344 - Smoke and Fire Curtains.

E. Section 08913 - Motorized Wall Louvers.

1.3 REFERENCES

A. Florida Building Code (FBC)

B. Occupational Safety and Health Administration (OSHA):

1. OSHA 29 CFR 1910.23 - Regulation and Standards; Occupational Safety and Health Standards; Guarding Floor and Wall Openings and Holes.

1.4 SUBMITTALS

A. Submit under provisions of Section 01300.

B. Product Data: Manufacturer's data sheets on each product to be used, including:

1. Preparation instructions and recommendations.

2. Storage and handling requirements and recommendations.

3. Installation methods.

C. Shop Drawings: Include system components, utility requirements and connections, relationship with adjacent construction. Include required clearances and access for servicing.

1.5 QUALITY ASSURANCE

A. Manufacturer Qualifications: Minimum 5 years experience manufacturing similar equipment.

B. Installer Qualifications: Minimum 2 years experience installing similar equipment.

1.6 DELIVERY, STORAGE, AND HANDLING

A. Store products in manufacturer's unopened packaging until ready for installation.

1.7 PROJECT CONDITIONS

A. Maintain environmental conditions (temperature, humidity, and ventilation) within limits recommended by manufacturer for optimum results. Do not install products under environmental conditions outside manufacturer's recommended limits.

1.8 WARRANTY

A. Manufacturer's Warranty: Provide manufacturer's standard warranty. Materials shall be free of defects in material and workmanship for a period of five years from the date of purchase. Should a part fail to function in normal use within this period, manufacturer shall furnish a new part at no charge.

PART 2 PRODUCTS

2.1 MANUFACTURERS

A. Acceptable Manufacturer: The BILCO Company, which is located at: P. O. Box 1203; New Haven, CT 06505-1203; Toll Free Tel: 800-366-6530; Fax: 203-535-1582; Email: request info (); Web: www.bilco.com

** NOTE TO SPECIFIER ** Delete one of the following two paragraphs; coordinate with requirements of Division 1 section on product options and substitutions.

B. Substitutions: Not permitted.

C. Requests for substitutions will be considered in accordance with provisions of Section 01600.

** NOTE TO SPECIFIER ** Delete article if not required.

2.2 ROOF HATCHES TYPE D

A. Basis-of-Design Manufacturer: Type D Double Leaf Roof Hatch as manufactured by The BILCO Company.

1. Factory pre-assembled.

2. Width (in / mm): ______.

3. Length (in / mm): ______. Length denotes hinge side.

B. Performance Characteristics:

1. Covers:

a. Minimum Live Load: 40 lbs per sq ft (195.3 kg per sq m).

b. Maximum Deflection: 1/150th of span or 20 lbs per sq ft (97.6 kg per sq m) wind uplift.

c. Smooth and easy controlled operation through entire opening and closing arc.

d. Operation not to be affected by temperature.

2. Entire Roof Hatch: Weather tight. Fully welded corner joints on covers and curb.

C. Covers:

** NOTE TO SPECIFIER ** Delete material not required.

1. Material: 14 gauge, 0.078 in (1.99 mm) paint bond G-90 galvanized steel.

2. Material: 11 gauge, 0.091 in (2.30 mm) aluminum.

3. Beaded Flange: 3 in (76 mm) with formed reinforcing members.

4. Heavy extruded EPDM rubber gasket bonded to cover interior assuring a continuous seal with the top surface of the curb.

5. Hardware: Bolted into heavy gauge channel reinforcing welded to the underside of the cover and concealed within the insulation space.

6. Insulation: 1 in (25 mm) thick fiberglass. Covered and protected by a metal liner.

** NOTE TO SPECIFIER ** Delete material not required.

a. Metal Liner: 22 gauge, 0.034 in (0.85 mm) paint bond G-90 galvanized steel.

b. Metal Liner: 18 gauge, 0.040 in (1.02 mm) aluminum.

D. Curb:

1. Height: 12 in (305 mm).

** NOTE TO SPECIFIER ** Delete material not required.

2. Material: 14 gauge, 0.078 in (1.99 mm) paint bond G-90 galvanized steel.

3. Material: 11 gauge, 0.091 in (2.30 mm) aluminum.

4. Formed with 3-1/2 in (89 mm) flange with 7/16 in (11 mm) holes provided for securing to the roof deck.

5. Integral Metal Capflashing: Same gauge and material as curb and fully welded at the corners. Bil-Clip Flashing System: Stamped tabs, 6 in (153 mm) on center, bent inward to hold single ply roofing membrane securely in place.

6. Insulation: Rigid, 1 in (25 mm) thick, high-density fiberboard on outside of curb.

E. Lifting Mechanism: Compression spring operators enclosed in telescopic tubes. The upper, outer tube prevents accumulation of moisture, grit, and debris inside the lower tube assembly. The lower tube interlocks with a flanged support shoe.

1. Compression Spring Tubes: Anti-corrosive composite material.

** NOTE TO SPECIFIER ** Delete support shoe not required.

2. Flanged Support Shoe, Aluminum: Welded to the curb assembly.

3. Flanged Support Shoe, Steel: Through bolted to the curb assembly.

F. Hardware:

1. Heavy pintle hinges.

2. Latch: Enclosed two-point spring latch. Interior and exterior turn handles.

3. Latch strike: Stamped component bolted to the curb assembly.

4. Automatic Open Position Lock: Rigid hold open arm equipped with 1 in (25mm) diameter red vinyl grip handle to permit easy release for closing.

5. Roof hatch equipped with interior and exterior padlock hasps.

** NOTE TO SPECIFIER ** For highly corrosive environments or prolonged exposure to hot water or steam specify 316 stainless steel hardware. Delete hardware material not required,

6. Hardware Material: Zinc plated and chromate sealed.

7. Hardware Material: 316 stainless steel.

** NOTE TO SPECIFIER ** Delete factory finish not required.

G. Factory Finish: Alkyd based red oxide primed steel.

H. Factory Finish: Mill finish aluminum.

** NOTE TO SPECIFIER ** Delete article if not required.

2.3 ROOF HATCHES TYPE D-50T

A. Basis-of-Design Manufacturer: Type D-50T Double Leaf Roof Hatch as manufactured by The BILCO Company.

1. Factory pre-assembled.

2. Width (in / mm): ______.

3. Length (in / mm): ______. Length denotes hinge side.

B. Performance Characteristics:

1. Covers:

a. Minimum Live Load: 40 lbs per sq ft (195.3 kg per sq m).

b. Maximum Deflection: 1/150th of span or 20 lbs per sq ft (97.6 kg per sq m) wind uplift.

c. Smooth and easy controlled operation through entire opening and closing arc.

d. Operation not to be affected by temperature.

2. Entire Roof Hatch: Weather tight. Fully welded corner joints on covers and curb.

C. Covers:

1. Material: 11 gauge, 0.091 in (2.30 mm) aluminum.

2. Heavy extruded EPDM rubber gasket bonded to cover interior assuring a continuous seal with the top surface of the curb.

3. Hardware: Bolted into heavy gauge channel reinforcing welded to the underside of the cover and concealed within the insulation space.

4. Insulation: 2 in (51 mm) thick polyisocyanurate with R-value of 12 (U of 0.47 W per sq m K). Covered and protected by 18 gauge, 0.040 (1.02 mm) aluminum liner.

D. Curb:

1. Height: 12 in (305 mm).

2. Material: 11 gauge, 0.091 in (2.30 mm) aluminum.

3. Formed with 4-1/2 in (114 mm) flange with 7/16 in (11 mm) holes provided for securing to the roof deck.

4. Integral Metal Capflashing: Same gauge and material as curb and fully welded at the corners. Bil-Clip Flashing System: Stamped tabs, 6 in (152 mm) on center, bent inward to hold single ply roofing membrane securely in place.

5. Insulation: Rigid, 2 in (51 mm) thick, polyisocyanurate with an R-value of 12 (U of 0.47 W per sq m K).

E. Lifting Mechanisms: Compression spring operators enclosed in telescopic tubes. The upper, outer tube prevents accumulation of moisture, grit, and debris inside the lower tube assembly. The lower tube interlocks with a flanged support shoe welded to the curb assembly. Compression Spring Tubes: Anti-corrosive composite material.

F. Hardware:

1. Heavy type 316 stainless steel pintle hinges.

2. Latch: Enclosed two-point spring latch. Interior and exterior turn handles.

3. Latch strike: Stamped component bolted to the curb assembly.

4. Automatic Open Position Lock: Rigid hold open arm equipped with 1 in (25 mm) diameter red vinyl grip handle to permit easy release for closing.

5. Roof hatch equipped with interior and exterior padlock hasps.

** NOTE TO SPECIFIER ** For highly corrosive environments or prolonged exposure to hot water or steam specify 316 stainless steel hardware. Delete hardware material not required,

6. Hardware Material: Zinc plated and chromate sealed.

7. Hardware Material: 316 stainless steel.

G. Factory Finish: Mill finish aluminum.

** NOTE TO SPECIFIER ** Delete article if not required.

2.4 ROOF HATCHES TYPE E

A. Basis-of-Design Manufacturer: Type E Single Leaf Roof Hatch as manufactured by The BILCO Company.

1. Factory pre-assembled.

2. Width: 36 in (914 mm). Length: 36 in (914 mm). Length denotes hinge side.

B. Performance Characteristics:

1. Cover:

a. Minimum Live Load: 40 lbs per sq ft (195.3 kg per sq m).

b. Maximum Deflection: 1/150th of span or 20 lbs per sq ft (97.6 kg per sq m) wind uplift.

c. Smooth and easy controlled operation through entire opening and closing arc.

d. Operation not to be affected by temperature.

2. Entire Roof Hatch: Weather tight. Fully welded corner joints on covers and curb.

C. Cover:

** NOTE TO SPECIFIER ** Delete material not required.

1. Material: 14 gauge, 0.078 in (1.99 mm) paint bond G-90 galvanized steel.

2. Material: 11 gauge, 0.091 in (2.30 mm) aluminum.

3. Beaded Flange: 3 in (76 mm) with formed reinforcing members.

4. Heavy extruded EPDM rubber gasket bonded to cover interior assuring a continuous seal with the top surface of the curb.

5. Hardware: Bolted into heavy gauge channel reinforcing welded to the underside of the cover and concealed within the insulation space.

6. Insulation: 1 in (25 mm) thick fiberglass. Covered and protected by a metal liner.

** NOTE TO SPECIFIER ** Delete material not required.

a. Metal Liner: 22 gauge, 0.034 in (0.85 mm) paint bond G-90 galvanized steel.