SECTION 07721

AUTOMATIC SMOKE VENTS

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PART 1    GENERAL
1.1	SECTION INCLUDES
A.	Automatic smoke vents.
1.2	RELATED SECTIONS
A.	Section 07 72 33 - Roof Hatches.
B.	Section 08 31 23 - Floor Access Doors.
1.3	SUBMITTALS
A.	Submit under provisions of Section 01 30 00.
B.	Product Data: Submit manufacturer's product data.
C.	Shop Drawings: Submit shop drawings including profiles, accessories, location, adjacent construction interface, and dimensions.
D.	Warranty: Submit executed copy of manufacturer's standard warranty.
1.4	QUALITY ASSURANCE
A.	Manufacturer Qualifications: Company specializing in manufacturing products specified in this section with a minimum of five years documented experience.
B.	Installer Qualifications: Company specializing in performing Work of this section with minimum two years documented experience with projects of similar scope and complexity.
C.	Manufacturer's Quality System: Registered to ISO 9001 Quality Standards including in-house engineering for product design activities.
1.5	DELIVERY, STORAGE, AND HANDLING
A.	Deliver products in manufacturer's original packaging. Store materials in a dry, protected, well-vented area. Inspect product upon receipt and report damaged material immediately to delivering carrier and note such damage on the carrier's freight bill of lading.
1.6	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:<BR />P. O. Box 1203<BR />New Haven, CT 06505-1203<BR />Toll Free Tel: 800-366-6530<BR />Fax: 203-535-1582<BR />Email: request info (bilco@bilco.com);Web: https://www.bilco.com 
B.	Substitutions: Not permitted.
C.	Requests for substitutions will be considered in accordance with the provisions of Section 01 25 00.
2.2	PERFORMANCE REQUIREMENTS
A.	Smoke Vent Covers, Performance Characteristics: 
1.	Comply with UL 793 and UL 790 Class A (burning brand test).
2.	UL listed.
3.	Reinforce covers to support a minimum live load of 40 psf (195kg/m2) with a maximum deflection of 1/150th of the span or 90 psf (97kg/m2) wind uplift forces.
4.	Reinforce covers to support a minimum live load of 40 psf (195kg/m2) with a maximum deflection of 1/150th of the span or 40 psf (195kg/m2) wind uplift forces.
5.	Reinforce covers to support a minimum live load of 40 psf (195kg/m2) with a maximum deflection of 1/150th of the span or 40 psf (195kg/m2) wind uplift forces.
6.	Latch mechanisms hold covers in the closed position without overstressing the fusible link and withstand wind uplift forces acting on the covers.
7.	Lifting mechanism assemblies open vent covers simultaneously when latch is manually released or when heat breaks the UL listed fusible link.
8.	Latch Operation: Latch releases once heat parts the UL listed fusible link, allowing vent cover to open. 
9.	Allow for easy resetting after a fire or test. Cover cannot be latched closed unless the mechanism has been reset properly. 
10.	Fabricate entire roof fire vent weather tight with fully welded corner joints on cover and curb.
11.	Sound Transmission Rating: Vent(s) shall carry STC-50 and OITC 46 sound ratings.
12.	ISO 140-18 Rainfall Sound Rating - 37.5 db.
2.3	DOUBLE LEAF SMOKE VENTS
A.	Basis-of-Design Manufacturer: Type DSH Automatic Roof Smoke Vent by The BILCO Company, P.O. Box 1203, New Haven, CT 06505, 1-800-366-6530, Fax: 1-203-535-1582, Web: www.bilco.com. 
B.	Furnish and install where indicated on plans.
1.	Size (WxL): 48 x 48 inches (1219 x 1219 mm).
2.	Size (WxL): 48 x 72 inches (1219 x 1829 mm).
3.	Size (WxL): 48 x 90 inches (1219 x 2286 mm).
4.	Size (WxL): 48 x 96 inches (1219 x 2438 mm).
5.	Size (WxL): 60 x 60 inches (1524 x 1524 mm).
6.	Size (WxL): 60 x 72 inches (1524 x 1829 mm).
7.	Size (WxL): 60 x 84 inches (1524 x 2134 mm).
8.	Size (WxL): 60 x 96 inches (1524 x 2438 mm).
9.	Size (WxL): 60 x 120 inches (1524 x 3048 mm).
10.	Size (WxL): 66 x 66 inches (1676 x167 mm).
11.	Size (WxL): 66 x 144 inches (1676 x 3658 mm).
12.	Size (WxL): 72 x 72 inches (1829 x 1829 mm).
C.	Cover: 
1.	Galvannealed steel, 14 gauge (2 mm). 
2.	Aluminum, 11 gauge (2.3 mm). 
3.	Insulation: Fiberglass, 1 inch (25 mm) thickness, fully covered and protected by a metal liner. 
4.	Fabricate with 3 inch (76 mm) beaded flange with formed reinforcing members. 
5.	Bond heavy extruded EPDM rubber gasket to cover interior to assure a continuous seal when compressed to the top surface of the curb.
D.	Curb: 
1.	Curb Height: 12 inches (305 mm).
2.	Galvannealed steel, 14 gauge (2 mm). 
3.	Aluminum, 11 gauge (2.3 mm). 
4.	Insulation: Rigid, high-density fiberboard, 1 inch (25 mm) thickness on outside of curb.
5.	Form with a 3-1/2 inch (89 mm) flange with 7/16 inch (11 mm) holes provided for securing to the roof deck. 
6.	Equip with integral metal capflashing of the same gauge and material as the curb, fully welded at the corners, that features the Bil-Clip flashing system, including stamped tabs, 6 inches (153 mm) on center, to be bent inward to hold single ply roofing membrane securely in place. 
7.	Heavy extruded EPDM rubber gasket that is mechanically fastened to the top of the curb to assure a continuous seal when compressed by the covers.
E.	Lifting Mechanisms: High performance gas spring operators open the covers against a snow/wind load. Gas springs automatically lock covers in the fully open position. A release mechanism allows covers to be closed. Gas springs have integral dampers to assure a controlled rate of cover opening and have a cyclic durability of 50,000 cycles.
F.	Latch Mechanism: BILCO ThermolatchII positive hold/release mechanism with a separate latching point for each cover controlled by a single UL listed 165 degreesF (74 degreesC) fusible link, curb mounted on a non-hinged end to allow the latching mechanism to be easily reset from the roof level.
G.	Hardware
1.	Heavy pintle hinges.
2.	Bolt cover hardware into heavy gauge channel reinforcing welded to the underside of the cover and concealed within the insulation space.
3.	Corrosion resistant gas springs. 
4.	Finish: Zinc plated and chromate sealed or galvanized. 
H.	Manual Pull Release Cables: Interior and exterior cables with red vinyl grips allow the unit to be opened without disturbing the fusible link.
I.	Steel Finish: Factory finish alkyd based red oxide primed steel. 
J.	Aluminum Finish: Mill finish.
2.4	ACOUSTICAL SMOKE VENTS
A.	Basis-of-Design Manufacturer: Type ACDSV Automatic Roof Smoke Vent by The BILCO Company, P.O. Box 1203, New Haven, CT 06505, 1-800-366-6530, Fax: 1-203-535-1582, Web: www.bilco.com. 
B.	Furnish and install where indicated on plans.
C.	Size (WxL): 48 x 48 inches (1219 x 1219 mm).
D.	Size (WxL): 48 x 96 inches (1219 x 2438 mm).
E.	Size (WxL): 60 x 96 inches (1524 x 2438 mm).
F.	Size (WxL): 66 x 144 inches (1676 x 3658 mm).
G.	Size (WxL): 72 x 72 inches (1829 x 1829 mm).
H.	Cover: 
1.	Galvannealed steel, 14 gauge (2 mm). 
2.	Insulation: Fiberglass, 4 inch (102 mm) thickness, fully covered and protected by a galvannealed steel liner. 
3.	Fabricate with 5-3/4 inch (146 mm) beaded flange with formed reinforcing members. 
4.	Bond heavy extruded EPDM rubber gasket to cover interior to assure a continuous seal when compressed to the top surface of the curb.
I.	Curb: 
1.	Curb Height: 12 inches (305 mm).
2.	Galvannealed steel, 14 gauge (2 mm). 
3.	Insulation: Rigid, high-density fiberboard, 4 inch (102 mm) thickness on outside of curb, fully enclosed by galvannealed steel liner.
4.	Form with a 6-7/8 inch (175 mm) flange with 7/16 inch (11 mm) holes provided for securing to the roof deck. 
5.	Equip with integral metal capflashing of the same gauge and material as the curb, fully welded at the corners, that features the Bil-Clip flashing system, including stamped tabs, 6 inches (153 mm) on center, to be bent inward to hold single ply roofing membrane securely in place. 
6.	Heavy extruded EPDM rubber gasket that is mechanically fastened to the top of the curb to assure a continuous seal when compressed by the covers.
J.	Lifting Mechanisms: High performance gas spring operators open the covers against a 10 lb/ft2 (49Kg/m2) snow/wind load. Gas springs automatically lock covers in the fully open position. A release mechanism allows covers to be closed. Gas springs have integral dampers to assure a controlled rate of cover opening and have a cyclic durability of 50,000 cycles.
K.	Latch Mechanism: BILCO ThermolatchII positive hold/release mechanism with a separate latching point for each cover controlled by a single UL listed 165 degreesF (74 degreesC) fusible link, curb mounted on a non-hinged end to allow the latching mechanism to be easily reset from the roof level.
L.	Hardware
1.	Heavy pintle hinges.
2.	Bolt cover hardware into heavy gauge channel reinforcing welded to the underside of the cover and concealed within the insulation space.
3.	Corrosion resistant gas springs and hot dip galvanized steel stop cables. 
4.	Finish: Zinc plated and chromate sealed or galvanized. 
M.	Manual Pull Release Cables: Interior and exterior cables with red vinyl grips allow the unit to be opened without disturbing the fusible link.
N.	Steel Finish: Factory finish alkyd based red oxide primed steel. 
2.5	TRANSLUCENT AUTOMATIC ROOF FIRE VENT
A.	Basis-of-Design Manufacturer: Type LV Translucent Automatic Roof Fire Vent by The BILCO Company, P.O. Box 1203, New Haven, CT 06505, 1-800-366-6530, Fax: 1-203-535-1582, Web: www.bilco.com. 
B.	Furnish and install where indicated on plans.
C.	Size (WxL): 48 x 48 inches (1219 x 1219 mm).
D.	Size (WxL): 48 x 72 inches (1219 x 1829 mm).
E.	Size (WxL): 48 x 96 inches (1219 x 2438 mm).
F.	Size (WxL): 60 x 60 inches (1524 x 1524 mm).
G.	Size (WxL): 60 x 96 inches (1524 x 2438 mm).
H.	Size (WxL): 66 x 144 inches (1676 x 3658 mm).
I.	Cover: 
1.	Translucent multi-wall polycarbonate sheet framed with rigid extruded aluminum and coated for UV resistance.
a.	Translucent Glazing: R-factor of 2.38 (U=2.39W/m2K) per ASTMD236.
2.	Slope: Slope top 4:12 in accordance with IBC Section 2610.3.
3.	Insulation: Rigid, high density fiberboard, 1 inch (25 mm) thickness.
4.	Fabricate with 3 inch (76 mm) beaded flange with formed reinforcing members. 
5.	Bond heavy extruded EPDM rubber gasket to cover interior to assure a continuous seal when compressed to the top surface of the curb.
J.	Curb: 
1.	Curb Height: 12 inches (305 mm).
2.	Aluminum, 11 gauge (2.3 mm). 
3.	Insulation: Rigid, high-density fiberboard, 1 inch (25 mm) thickness on outside of curb.
4.	Form with a 3-1/2 inch (89 mm) flange with 7/16 inch (11 mm) holes provided for securing to the roof deck. 
5.	Equip with integral metal capflashing of the same gauge and material as the curb, fully welded at the corners, that features the Bil-Clip flashing system, including stamped tabs, 6 inches (153 mm) on center, to be bent inward to hold single ply roofing membrane securely in place. 
6.	Heavy extruded EPDM rubber gasket that is mechanically fastened to the top of the curb to assure a continuous seal when compressed by the covers.
K.	Lifting Mechanisms: High performance gas spring operators open the covers against a snow/wind load. Gas springs automatically lock covers in the fully open position. A release mechanism allows covers to be closed. Gas springs have integral dampers to assure a controlled rate of cover opening and have a cyclic durability of 50,000 cycles.
L.	Latch Mechanism: BILCO ThermolatchII positive hold/release mechanism with a separate latching point for each cover controlled by a single UL listed 165 degreesF (74 degreesC) fusible link, curb mounted on a non-hinged end to allow the latching mechanism to be easily reset from the roof level.
M.	Hardware
1.	Heavy duty Type 316 stainless steel pintle hinges.
2.	Rigid hold open arm equipped with a 1inch (25mm) diameter red vinyl grip handle permits easy release for closing covers automatically locked in the open position.
3.	Bolt cover hardware into heavy gauge channel reinforcing welded to the underside of the cover and concealed within the insulation space.
4.	Corrosion resistant gas springs. 
5.	Finish: Zinc plated and chromate sealed or galvanized. 
N.	Manual Pull Release Cables: Interior and exterior cables with red vinyl grips allow the unit to be opened without disturbing the fusible link.
O.	Aluminum Finish: Mill finish.
2.6	AUTOMATIC SMOKE VENT
A.	Basis-of-Design Manufacturer: Type SV Automatic Roof Smoke Vent by The BILCO Company, P.O. Box 1203, New Haven, CT 06505, 1-800-366-6530, Fax: 1-203-535-1582, Web: www.bilco.com. 
1.	SV Metal Cover.
2.	GSV Dome Cover.
3.	Furnish and install where indicated on plans.
4.	Size (WxL): 36 X 30 (914 x 762 mm).
5.	Size (WxL): 30 X 54 (762 x 1372mm).
6.	Size (WxL): 30 X 96 (762x 2438 mm).
B.	Cover: 
1.	Galvannealed steel, 14 gauge (2 mm). 
2.	Aluminum, 11 gauge (2.3 mm). 
3.	Polycarbonate dome framed with aluminum and coated for UV resistance.
4.	Insulation: Fiberglass, 1 inch (25 mm) thickness, fully covered and protected by a metal liner. 
5.	Fabricate with 3 inch (76 mm) beaded flange with formed reinforcing members. 
6.	Bond heavy extruded EPDM rubber gasket to cover interior to assure a continuous seal when compressed to the top surface of the curb.
C.	Curb: 
1.	Curb Height: 12 inches (305 mm).
2.	Galvannealed steel, 14 gauge (2 mm). 
3.	Aluminum, 11 gauge (2.3 mm). 
4.	Insulation: Rigid, high-density fiberboard, 1 inch (25 mm) thickness on outside of curb.
5.	Form with a 3-1/2 inch (89 mm) flange with 7/16 inch (11 mm) holes provided for securing to the roof deck. 
6.	Equip with integral metal capflashing of the same gauge and material as the curb, fully welded at the corners, that features the Bil-Clip flashing system, including stamped tabs, 6 inches (153 mm) on center, to be bent inward to hold single ply roofing membrane securely in place. 
7.	Heavy extruded EPDM rubber gasket that is mechanically fastened to the top of the curb to assure a continuous seal when compressed by the covers.
D.	Lifting Mechanisms: High performance compression spring operators. 
E.	Latch Mechanism: BILCO Thermolatch positive hold/release mechanism with a separate latching point for each cover controlled by a single UL listed 165 degrees F (74 degrees C) fusible link, curb mounted on a non-hinged end to allow the latching mechanism to be easily reset from the roof level.
F.	Hardware
1.	Heavy pintle hinges.
2.	Rigid hold open arm equipped with a 1 inch (25 mm) diameter red vinyl grip handle permits easy release for closing covers automatically locked in the open position.
3.	Bolt cover hardware into heavy gauge channel reinforcing welded to the underside of the cover and concealed within the insulation space.
4.	Corrosion resistant gas springs. 
5.	Finish: Zinc plated and chromate sealed. 
G.	Manual Pull Release Cables: Interior and exterior cables with red vinyl grips allow the unit to be opened without disturbing the fusible link.
H.	Steel Finish: Factory finish alkyd based red oxide primed. 
I.	Aluminum Finish: Mill finish.
1.	THERMALLY BROKEN SINGLE LEAF SMOKE VENTS ARE AVAILABLE IN ALUMINUM CONSTRUCTION AND ONE STANDARD SIZE, 36 X INCH (914 X 762 MM). 
2.7	THERMALLY BROKEN AUTOMATIC SMOKE VENTS
A.	Basis-of-Design Manufacturer: Type SV-50TB Automatic Roof Smoke Vent by The BILCO Company, P.O. Box 1203, New Haven, CT 06505, 1-800-366-6530, Fax: 1-203-535-1582, Web: www.bilco.com. 
B.	Thermal Value:
1.	Entire Hatch Product (not layer sections): "Developed Area" U-Value of not greater than0.245 BTU/(ft2hrF) (1.39 W/m2K) based on a vent size of 27 x 35.44 inches (900 x 700 mm).
2.	Both the cover and curb layers: "Homogeneous Section" U-Value of not greater than 0.049 BTU/(ft2hrF) (0.278 W/m2K) based on a vent size of 36 x 30 inches (914 x 762 mm).
C.	Furnish and install where indicated on plans.
D.	LENGTH DENOTES HINGE SIDE. 
E.	Size (WxL): 36 x 30 inches (914 x 762 mm).
F.	Cover: Thermally broken.
1.	Aluminum: 11 gauge (2.3 mm). 
2.	Insulation: 3 inch (75 mm) thick polyisocyanurate with an R-value = 20.3 ft2hrF/BTU (U-Value = 0.049 BTU/ft2hrF), fully covered and protected by a metal liner. 
3.	Fabricate with 5 inch (127 mm) beaded flange with formed reinforcing members. 
4.	Bond heavy extruded EPDM rubber gasket to cover interior to assure a continuous seal when compressed to the top surface of the curb.
G.	Curb: Thermally broken.
1.	Curb Height: 12 inches (305 mm).
2.	Aluminum, 11 gauge (2.3 mm). 
3.	Insulation: 3 inch (75 mm) thick polyisocyanurate with an R-value = 20.3 ft2hrF/BTU (U-Value = 0.049 BTU/ft2hrF).
4.	Form with a 5-1/2 inch (140 mm) flange with 7/16 inch (11 mm) holes provided for securing to the roof deck. 
5.	Equip with integral metal capflashing of the same gauge and material as the curb, fully welded at the corners, that features the Bil-Clip flashing system, including stamped tabs, 6 inches (153 mm) on center, to be bent inward to hold single ply roofing membrane securely in place. 
6.	Heavy extruded EPDM rubber gasket that is mechanically fastened to the top of the curb to assure a continuous seal when compressed by the covers.
H.	Lifting mechanisms: High performance gas spring operators open the covers against a 10 lb./ft2 (49Kg/m2) snow/wind load. Gas springs automatically lock covers in the fully open position. A release mechanism allows covers to be closed. Gas springs have integral dampers to assure a controlled rate of cover opening and have a cyclic durability of 50,000 cycles.
I.	Latch mechanism: BILCO Thermolatch positive hold/release mechanism with a separate latching point for each cover controlled by a single UL listed 165 degrees F (74 degrees C) fusible link, curb mounted on a non-hinged end to allow the latching mechanism to be easily reset from the roof level.
J.	Hardware:
1.	Heavy stainless steel pintle hinges.
2.	Cover automatically locks in the open position with a rigid hold open arm equipped with a 1 inch (25 mm) diameter red vinyl grip handle to permit easy release for closing.
3.	Bolt cover hardware into heavy gauge channel reinforcing welded to the underside of the cover and concealed within the insulation space.
4.	Corrosion resistant gas springs and hot dip galvanized steel stop cables. 
5.	Finish: Zinc plated and chromate sealed or galvanized. 
K.	Manual Pull Release Cables: Interior and exterior cables with red vinyl grips allow the unit to be opened without disturbing the fusible link.
L.	Finishes: Mill finish aluminum.
PART 3    EXECUTION
3.1	EXAMINATION
A.	Examine substrates and openings for compliance with requirements for installation tolerances and other conditions affecting performance. Proceed with installation only after unsatisfactory conditions have been corrected.
3.2	INSTALLATION
A.	Install products in strict accordance with manufacturer's instructions and approved submittals. Locate units level, plumb, and in proper alignment with adjacent work. 
1.	Test units for proper function and adjust until proper operation is achieved.
2.	Test fusible link and install replacement fusible link after testing.
3.	Repair finishes damaged during installation. 
4.	Restore finishes so no evidence remains of corrective work.
3.3	ADJUSTING AND CLEANING
A.	Clean exposed surfaces using methods acceptable to the manufacturer which will not damage finish.

END OF SECTION