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	SECTION 07720
	SMOKE VENTS AND ROOF HATCHES
	** NOTE TO SPECIFIER ** Nystrom Building Products, Inc.; smoke vents and roof hatches.
	.
	This section is based on the products of Nystrom Building Products, Inc., which is located at:
	9300 73rd Ave. N.
	Brooklyn Park, MN 55428 Toll Free Tel: (800) 547-2635 Tel: (763)488-9200 Fax: (800) 317-8770 Email: info@nystrom.com Web: www.nystrom.com [ Click Here ] for additional information.
	Nystrom offers a full line of Roof Hatches in a variety of materials and finishes as well as a full line of Smoke Vents that are UL and FM approved. Please call a representative with specific application questions.
	PART 1	GENERAL
	1.1	SECTION INCLUDES
	** NOTE TO SPECIFIER ** Delete items below not required for project.
		A.	Roof hatches and related hardware and attachments.
		B.	Smoke vents and related hardware and attachments.
		C.	Safety railing system for roof hatches.
	1.2	RELATED SECTIONS
	** NOTE TO SPECIFIER ** Delete any sections below not relevant to this project; add others as required.
		A.	Section 05500 - Metal Fabrications.
		B.	Section 07500 - Roofing.
		C.	Section 07910 - Joint Sealants.
		D.	Section 08710 - Door Hardware.
	1.3	REFERENCES
	** NOTE TO SPECIFIER ** Delete references from the list below that are not actually required by the text of the edited section.
		A.	AA-C23C42R1x - Aluminum Association Powder Coatings on Steel Substrates.
		B.	ASTM A36 - Standard Specification for Carbon Structural Steel.
		C.	ASTM A526 - Standard Specification for Steel Sheet, Zinc-coated (galvanized) steel.
		D.	ASTM B209 - Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate.
		E.	ASTM E90 - Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements.
		F.	ASTM E1332 - Standard Classification for Determination of Outdoor-Indoor Transmission Class.
		G.	OSHA Standard CFR 29 1910.23 - Guarding Floor and Wall Openings and Holes.
		H.	OSHA Standard CFR 29 1910.27 - Fixed Ladders.
	1.4	SUBMITTALS
		A.	Submit under provisions of Section 01300.
		B.	[ Product Data ]:
			1.	Manufacturer's technical data for each type of assembly, including templates, performance characteristics, finish requirements, and anchorage provisions.
		C.	Shop Drawings:
			1.	Include schedules showing location of each type and size of unit.
			2.	Indicate configuration and dimension of components, adjacent construction, required clearances and tolerances.
			3.	Show types, elevations, thickness of metals, and full size profiles.
	** NOTE TO SPECIFIER ** Delete selection samples if colors have already been selected.
		D.	Selection Samples: For each finish product specified, two complete sets of color chips representing manufacturer's full range of available colors and patterns.
		E.	Verification Samples: For each finish product specified, two samples, minimum size 6 inches (150 mm) square, representing actual product, color, and patterns.
	1.5	QUALITY ASSURANCE
		A.	Manufacturer:
			1.	Company specializing in manufacturing and installation of components specified in this Section with minimum of 5 years documented experience.
		B.	Installer Qualifications:
			1.	Use materials and perform Work conforming to the applicable building codes and requirements of local Authorities Having Jurisdiction.
			2.	Single Source Responsibility: Obtain assemblies from one source from a single manufacturer.
		C.	Product Requirements:
			1.	Fire-Resistance Ratings: Where fire-resistance classification is indicated, provide fire rated units listed by Underwriters Laboratories, Inc., Factory Mutual Research Corporation (FMRC), or both.
	** NOTE TO SPECIFIER ** Include a mock-up if the project size and/or quality warrant taking such a precaution. The following is one example of how a mock-up on a large project might be specified. When deciding on the extent of the mock-up, consider all the major different types of work on the project.
		D.	Mock-Up: Provide a mock-up for evaluation of surface preparation techniques and application workmanship.
			1.	Provide in areas designated by Architect.
			2.	Do not proceed with remaining work until workmanship and installation are approved by Architect.
			3.	Modify mock-up as required to produce acceptable work.
	1.6	DELIVERY, STORAGE, AND HANDLING
		A.	Deliver materials to Project site ready to install.
		B.	Exercise proper care in handling of Work so as not to damage finished surfaces. Protect Work from damage after it is in place.
		C.	Store materials under cover in a dry and clean location off the ground. Remove materials that are damaged or otherwise not suitable for installation from Project site and replace with acceptable materials at no additional cost to Owner.
		D.	Store and dispose of solvent-based materials, and materials used with solvent-based materials, in accordance with requirements of local authorities having jurisdiction.
	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 absolute limits.
	1.8	WARRANTY
		A.	Provide manufacturer's standard written warranty.
		B.	Warrant materials and workmanship against defects after completion and final acceptance of Work.
			1.	Repair defects, or replace with new materials, faulty materials or workmanship developed during guarantee period at no expense to Owner.
	PART 2	PRODUCTS
	2.1	MANUFACTURERS
		A.	Acceptable Manufacturer: Nystrom Building Products, Inc., which is located at: 9300 73rd Ave. N. ; Brooklyn Park, MN 55428; Toll Free Tel: 800-547-2635; Tel: 763-488-9200; Fax: 800-317-8770; Email: request info; Web: www.nystrom.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 ROOF HATCHES if not required.
	2.2	ROOF HATCHES
	** NOTE TO SPECIFIER ** Delete type not required.
		A.	Type: Aluminum.
			1.	Cover and Liner: 11 gauge (2.3 mm) aluminum cover with 1 inch (25 mm) rigid fiberboard insulation and 18 gauge (1.0 mm) aluminum cover liner.
			2.	Curb: 11 gauge (2.3 mm) aluminum curb with 1 inch (25 mm) rigid fiberboard insulation.
	** NOTE TO SPECIFIER ** Delete curb construction not required.
				a.	Single Wall Curb: 3-1/2 inch (89 mm) mounting flange.
				b.	Double Wall Curb: 2-1/2 inch (64 mm) mounting flange.
			3.	Finish: Mill.
			4.	Acceptable Product: Model RHA
		B.	Type: Galvanized.
			1.	Cover and Liner: 14 gauge (2 mm) galvanized steel cover with 1 inch (25 mm) rigid fiberboard insulation and 22 gauge (.75 mm) galvanized steel cover liner.
			2.	Curb: 14 gauge (2 mm) galvanized steel with 3/4 inch (19 mm) rigid fiberboard insulation at curb perimeter.
	** NOTE TO SPECIFIER ** Delete curb construction not required.
				a.	Single Wall Curb: 3-1/2 inch (89 mm) mounting flange.
				b.	Double Wall Curb: 2-1/2 inch (64 mm) mounting flange.
			3.	Finish: Factory paint finish.
			4.	Acceptable Product: Model RHG.
		C.	Type: Stainless Steel.
			1.	Cover and Liner: 14 gauge (2 mm) stainless steel cover with 1 inch rigid fiberboard insulation and 22 gauge (.75 mm) stainless steel cover liner.
			2.	Curb: 14 gauge (2 mm) stainless steel with 3/4 inch (19 mm) rigid fiberboard insulation at curb perimeter.
	** NOTE TO SPECIFIER ** Delete curb construction not required.
				a.	Single Wall Curb: 3-1/2 inch (89 mm) mounting flange.
				b.	Double Wall Curb: 2-1/2 inch (64 mm) mounting flange.
			3.	Finish: Mill.
			4.	Acceptable Product: Model RHS.
		D.	Size:
	** NOTE TO SPECIFIER ** Delete size not required.
			1.	24 inches by 24 inches (610 mm by 610 mm).
			2.	30 inches by 30 inches (762 mm by 762 mm).
			3.	30 inches by 54 inches (762 mm by 1372 mm).
			4.	30 inches by 96 inches (762 mm by 2438 mm).
			5.	36 inches by 24 inches (914 mm by 610 mm).
			6.	36 inches by 30 inches (914 mm by 762 mm).
			7.	36 inches by 36 inches (914 mm by 914 mm).
			8.	36 inches by 96 inches (914 mm by 2438 mm).
			9.	48 inches by 48 inches (1219 mm by 1219 mm).
	** NOTE TO SPECIFIER ** Double door configuration for sizes selected below.
			10.	48 inches by 60 inches (1219 mm by 1524 mm).
			11.	48 inches by 72 inches (1219 mm by 1828 mm).
			12.	48 inches by 96 inches (1219 mm by 2438 mm).
			13.	60 inches by 60 inches (1524 mm by 1524 mm).
			14.	60 inches by 72 inches (1524 mm by 1828 mm).
			15.	60 inches by 96 inches (1524 mm by 2438 mm).
			16.	72 inches by 72 inches (1828 mm by 1828 mm).
			17.	72 inches by 96 inches (1828 mm by 2438 mm).
			18.	96 inches by 96 inches (2438 mm by 2438 mm).
		E.	Hinges: Tamper-proof hinge contained within hatch as part of spring assembly.
	** NOTE TO SPECIFIER ** Delete material not required.
			1.	Zinc plated steel.
			2.	Type 316 stainless steel.
		F.	Latch: Slam latch with turn handle and inside/outside padlock hasps.
	** NOTE TO SPECIFIER ** Delete material not required.
			1.	Zinc plated steel.
			2.	Type 316 stainless steel.
	** NOTE TO SPECIFIER ** Delete lock if not required.
		G.	Lock:
	** NOTE TO SPECIFIER ** Delete hardware not required.
			1.	Interior padlock hasp.
			2.	Mortise cylinder lock prepared to receive cylinder.
			3.	Heavy-duty detention deadbolt lock (high security applications) prepared to receive cylinder.
		H.	Lifting Mechanism: Hold open arm(s) with rubber handle that automatically locks door when opened. Furnish hatches with EPDM draft seal.
	** NOTE TO SPECIFIER ** Delete material not required.
			1.	Zinc plated steel.
			2.	Type 316 stainless steel.
	** NOTE TO SPECIFIER ** Delete if not required.
		I.	Security Glazing: Window prep for security glazing. Allows sight through the lid for security purposes.
		J.	Springs: Greased heavy-duty compression springs in telescoping tubes.
	** NOTE TO SPECIFIER ** Delete SMOKE VENTS if not required.
	2.3	SMOKE VENTS
		A.	Operation and Performance:
			1.	Cover and Liner: Stiffened to withstand a live load of 40 psf (1.9 kPa) with a maximum deflection of 1/150 of the span. Cover withstands a maximum wind uplift of 30psf (1.4 kPa). Maximum degree of opening is 78 degrees.
			2.	Curb Height: 12 inches (305 mm) on single door applications and 13 inches (330 mm) on double door applications.
	** NOTE TO SPECIFIER ** Delete curb type not required.
				a.	Single Wall Curb: 3-1/2 inch (89 mm) mounting flange.
				b.	Double Wall Curb: 2-1/2 inch (64 mm) mounting flange.
			3.	Hinge: Zinc plated steel tamperproof hinge contained within vent as part of spring assembly.
			4.	Latch: Positive hold release mechanism designed to hold the covers closed against 30 lb/sf (1.4 kPa) uplift force.
	** NOTE TO SPECIFIER ** Delete door type not required.
				a.	Single Door: Automatic latching mechanism standard.
				b.	Double Door: UL listed 165 degree fusible link with inside and outside manual releases.
			5.	Control:
				a.	3 Button Motor Controls, resettable McCabe, 165 degrees F (74 degrees C).
				b.	3 Button Motor Keyed Controls, resettable McCabe, 165 Degrees F (74 degrees C).
				c.	Manual Winch, resettable McCabe, 165 Degrees F (74 degrees C).
			6.	Automatic Release:
	** NOTE TO SPECIFIER ** Delete release type not required.
				a.	Pyrolatch with fusible melt-out link, UL listed.
				b.	Fusible melt-out link.
				c.	Electric/thermal resettable link.
				d.	24 or 110-volt electric thermo-link release mechanism linked to alarm system to release vent electrically.
			7.	Springs: Heavy-duty steel compression springs designed to open vent covers automatically against 10 psf (.5 kPa) wind or snow load when released.
			8.	Hardware: Heavy-duty shock absorbers, continuous extruded thermal EPDM gasketing, inside and outside manual release cables.
	** NOTE TO SPECIFIER ** Delete type not required.
		B.	Type: Aluminum Automatic Smoke Vents.
			1.	Cover and Liner: 11 gauge (2.3 mm) aluminum cover with 1 inch (25 mm) rigid fiberboard insulation and 18 gauge (1.0 mm) aluminum cover liner.
			2.	Curb: 11 gauge (2.3 mm) aluminum curb with 1 inch (25 mm) rigid fiberboard insulation.
			3.	Hinge: Heavy-duty aluminum with non-removable pins.
			4.	Finish: Mill.
			5.	Acceptable Products: Model SVA.
	** NOTE TO SPECIFIER ** Delete sizes not required.
			6.	Size: 24 inches by 24 inches (610 mm by 610 mm).
			7.	Size: 30 inches by 30 inches (762 mm by 762 mm).
			8.	Size: 30 inches by 54 inches (762 mm by 1372 mm).
			9.	Size: 30 inches by 96 inches (762 mm by 2438 mm).
			10.	Size: 30 inches by 24 inches (914 mm by 610 mm).
			11.	Size: 36 inches by 30 inches (914 mm by 762 mm).
			12.	Size: 36 inches by 36 inches (914 mm by 914 mm).
			13.	Size: 36 inches by 96 inches (914 mm by 2438 mm).
	** NOTE TO SPECIFIER ** Double door construction for sizes listed below.
			14.	Size: 48 inches by 48 inches (1219 mm by 1219 mm).
			15.	Size: 48 inches by 60 inches (1219 mm by 1524 mm).
			16.	Size: 48 inches by 72 inches (1219 mm by 1828 mm).
			17.	Size: 48 inches by 84 inches (1219 mm by 2134 mm).
			18.	Size: 48 inches by 90 inches (1219 mm by 2285 mm).
			19.	Size: 48 inches by 96 inches (1219 mm by 2438 mm).
			20.	Size: 60 inches by 60 inches (1524 mm by 1524 mm).
			21.	Size: 60 inches by 96 inches (1524 mm by 2438 mm).
			22.	Size: 72 inches by 72 inches (1828 mm by 1828 mm).
	** NOTE TO SPECIFIER ** Quad construction for size below. Delete if not re required.
			23.	Size: 66 inches by 144 inches (1676 mm by 3658 mm).
		C.	Type: Galvanized Steel Automatic Smoke Vents.
			1.	Cover and Liner: 14 gauge (2 mm) galvanized steel cover with 1 inch (25 mm) rigid fiberboard insulation and 22 gauge (.75 mm) galvanized steel cover liner.
			2.	Curb: 14 gauge (2 mm) galvanized steel with 3/4 inch (19 mm) rigid fiberboard insulation at curb perimeter.
			3.	Hinge: Heavy-duty zinc plated steel with non-removable pins.
			4.	Finish: Factory applied powder coat.
			5.	Acceptable Products: Model SVG.
	** NOTE TO SPECIFIER ** Delete sizes not required.
			6.	Size: 24 inches by 24 inches (610 mm by 610 mm).
			7.	Size: 30 inches by 30 inches (762 mm by 762 mm).
			8.	Size: 30 inches by 54 inches (762 mm by 1372 mm).
			9.	Size: 30 inches by 96 inches (762 mm by 2438 mm).
			10.	Size: 30 inches by 24 inches (914 mm by 610 mm).
			11.	Size: 36 inches by 30 inches (914 mm by 762 mm).
			12.	Size: 36 inches by 36 inches (914 mm by 914 mm).
			13.	Size: 36 inches by 96 inches (914 mm by 2438 mm).
	** NOTE TO SPECIFIER ** Double door construction for sizes listed below.
			14.	Size: 48 inches by 48 inches (1219 mm by 1219 mm).
			15.	Size: 48 inches by 60 inches (1219 mm by 1524 mm).
			16.	Size: 48 inches by 72 inches (1219 mm by 1828 mm).
			17.	Size: 48 inches by 84 inches (1219 mm by 2134 mm).
			18.	Size: 48 inches by 90 inches (1219 mm by 2285 mm).
			19.	Size: 48 inches by 96 inches (1219 mm by 2438 mm).
			20.	Size: 60 inches by 60 inches (1524 mm by 1524 mm).
			21.	Size: 60 inches by 96 inches (1524 mm by 2438 mm).
			22.	Size: 72 inches by 72 inches (1828 mm by 1828 mm).
	** NOTE TO SPECIFIER ** Quad construction for size below. Delete if not re required.
			23.	Size: 66 inches by 144 inches (1676 mm by 3658 mm).
		D.	Type: Galvanized Steel Acoustic Smoke Vents:
			1.	STC Rating 45 per ASTM E90 and OITC Rating 37 PER ASTM E1332
			2.	Cover and liner: 14 gauge (2 mm) galvanized steel cover and 22 gauge (.75 mm) galvanized steel cover.
			3.	Curb: 12 gauge (2.7 mm) galvanized steel inner curb, 14 gauge (2 mm) galvanized steel outer curb.
			4.	Insulation: 3 inches (76 mm) thick acoustic insulation in the cover and 1.75 inches (44 mm) in the curb perimeter.
			5.	Hinge: Heavy-duty zinc plated steel with non-removable pins.
			6.	Finish: Factory applied powder coat.
			7.	Acceptable Product: STC-45 Acoustic Smoke Vents
	** NOTE TO SPECIFIER ** Delete sizes not required; all units have double doors.
			8.	Size: 48 inches by 60 inches (1219 mm by 1524 mm).
			9.	Size: 48 inches by 72 inches (1219 mm by 1828 mm).
			10.	Size: 48 inches by 90 inches (1219 mm by 2285 mm).
			11.	Size: 48 inches by 96 inches (1219 mm by 2438 mm).
			12.	Size: 60 inches by 60 inches (1524 mm by 1524 mm).
			13.	Size: 60 inches by 96 inches (1524 mm by 2438 mm).
			14.	Size: 72 inches by 72 inches (1828 mm by 1828 mm).
			15.	Size: 72 inches by 96 inches (1828 mm by 2438 mm).
	** NOTE TO SPECIFIER ** Delete if not required.
	2.4	SAFETY RAIL SYSTEM
	** NOTE TO SPECIFIER ** Delete product and model not required.
		A.	Type: Safety railing system for safe egress through roof hatches and for protection of roof opening while roof hatch is in open position. Meets OSHA Standard CFR 29 1910.23 and CFR 29 1910.27.
	** NOTE TO SPECIFIER ** For roof hatches that have a ladder or stairway mounted opposite of the hinge. Also, for hatch dimensions which exceed 30" on the mounting side. Delete if not required.
			1.	Acceptable Product: Hatch Safety Railing System/RHSR-O (Offset).
	** NOTE TO SPECIFIER ** Nystrom Safety Railing System for standard 2'6" x 3' roof hatches and with hatchway ladder mounted on 2'6" side of hatch opposite of hinge lid.
			2.	Acceptable Product: Hatch Safety Railing System/RHSR-SS
	** NOTE TO SPECIFIER ** For roof hatches where a side exit is desired or where a hatch exists close to a roof edge or opens to an obstruction. Recommended for roof hatches using standard stairways, ship stairs, and when using large equipment-style roof hatches.
			3.	Acceptable Product: Hatch Safety Railing System/RHSR-FB (Forward Barrier).
	** NOTE TO SPECIFIER ** Nystrom Safety Railing System with forward barrier exit left for a hatch up to 2'6" x 4'6" where a left exit is desired, or where hatchway exit is close to the roof edge or opens up to an obstruction.
				a.	Model RHSR-FB-EL.
	** NOTE TO SPECIFIER ** Nystrom Safety Railing System with forward barrier exit right for a hatch up to 2'6" x 4'6" where a right exit is desired, or where hatchway exit is close to the roof edge or opens up to an obstruction.
				b.	Model RHSR-FB-ER.
	** NOTE TO SPECIFIER ** Nystrom Safety Railing System with forward barrier end exit left (exit left with back to hinge) for roof hatches up to 4' x 8' with a ladder or stairway.
				c.	Model RHSR-FB-EEL.
	** NOTE TO SPECIFIER ** Nystrom Safety Railing System with forward barrier end exit right (exit right with back to hinge) for roof hatches up to 4' x 8' with a ladder or stairway.
				d.	Model RHSR-FB-EER.
	** NOTE TO SPECIFIER ** Nystrom Safety Railing System for double-leaf roof hatches.
				e.	Model RHSR-DL.
		B.	Size:
	** NOTE TO SPECIFIER ** Delete sizes not required.
			1.	24 inches by 24 inches (610 mm by 610 mm).
			2.	30 inches by 30 inches (762 mm by 762 mm).
			3.	30 inches by 54 inches (762 mm by 1372 mm).
			4.	30 inches by 96 inches (762 mm by 2438 mm).
			5.	36 inches by 24 inches (914 mm by 610 mm).
			6.	36 inches by 30 inches (914 mm by 762 mm).
			7.	36 inches by 36 inches (914 mm by 914 mm).
			8.	36 inches by 96 inches (914 mm by 2438 mm).
			9.	48 inches by 48 inches (1219 mm by 1219 mm).
			10.	48 inches by 60 inches (1219 mm by 1524 mm).
			11.	48 inches by 72 inches (1219 mm by 1828 mm).
			12.	48 inches by 96 inches (1219 mm by 2438 mm).
			13.	60 inches by 60 inches (1524 mm by 1524 mm).
			14.	60 inches by 72 inches (1524 mm by 1828 mm).
			15.	60 inches by 96 inches (1524 mm by 2438 mm).
			16.	72 inches by 72 inches (1828 mm by 1828 mm).
			17.	72 inches by 96 inches (1828 mm by 2438 mm).
			18.	96 inches by 96 inches (2438 mm by 2438 mm).
		C.	Construction:
			1.	Top rail, mid rail, and chain or swinging gate, with hatch curb acting as toe plate. Test load: 200 lb (90 kg).
			2.	Height: Minimum 42 inches (1067 mm) above finished roof deck.
			3.	Pipe: Galvanized, 1-1/4 inches (32 mm) ID, A53 Grade B seamed pipe or galvanized, 1-5/8 inch (41 mm) OD A500 seamed tube.
			4.	Flat Bar: A36 mild steel.
			5.	Chain System: Zinc plated with quick link on fixed end.
			6.	Pipe Ends and Tops: Covered or plugged with weather and light resistant material.
			7.	Bolts and Washers: Grade Z, zinc plated.
			8.	Sealant: Recommended by manufacturer.
			9.	Finish: Factory-applied hot dipped galvanized.
			10.	Labels: Safety "NO HOISTING" warning label, model and serial # label and manufacturer identification label.
	2.5	FINISHES
		A.	Shop Finishing: Factory finish assembly and accessories as following:
	** NOTE TO SPECIFIER ** Delete finish not required.
			1.	Mill aluminum finish. Comply with system established by Aluminum Association for designating aluminum finishes.
			2.	Baked enamel finish: AA-C23C42R1x. Comply with NAAMM's "Metal Finishes Manual for Architectural and Metal Products" for recommendations for applying and designating finishes.
	** NOTE TO SPECIFIER ** Delete paint finish if not required.
		B.	Color:
	** NOTE TO SPECIFIER ** Delete color provison not required.
			1.	Selected by Architect from manufacturer's standard color selection chart.
			2.	Custom colors, as selected by Architect.
	PART 3	EXECUTION
	3.1	EXAMINATION
		A.	Do not begin installation until roof structure has been properly prepared.
		B.	Notify Architect of unsatisfactory preparation before proceeding.
	3.2	PROTECTION AND INSTALLATION
		A.	Provide fastening and anchorage as required to complete installation.
		B.	Protect metal surfaces from corrosion or galvanic action by application of a heavy coating of bituminous paint on surfaces that are in contact with concrete, masonry, or dissimilar materials.
	3.3	ADJUSTING
		A.	Adjust movable parts for smooth operation.
		B.	Operational Units: Test-operate units with operable components. Clean and lubricate joints and hardware. Adjust for proper operation.
	** NOTE TO SPECIFIER ** Delete if not required.
		C.	Smoke Vent Testing: Test for proper operation after installation by fusing links and fusible link release system.
		D.	Close vents, replace links, and leave units in an operable condition.
	3.4	PROTECTION
		A.	Remove temporary coverings and protection of adjacent work areas.
		B.	Clean installed products per manufacturer's instructions before completion.
		C.	Remove construction debris from Project site and legally depose of debris.
		D.	Protect installed products until completion of project.
		E.	Touch-up, repair or replace damaged products before Substantial Completion.
	END OF SECTION