SECTION 07 72
33 (1995 - 07725)
PART 1: GENERAL
1.01 RELATED
DOCUMENTS
A.
Conditions of the Contract and portions of Division One
of this Project Manual apply to this Section as though repeated herein.
1.02 SUMMARY
Select one or more of the following
subparagraphs as required by the Project.
A.
Section Includes:
1.
Galvanized Roof Hatch.
2.
Aluminum Roof Hatch.
1.03 REFERENCES
A.
ASTM
International.
Retain the following 3 subparagraphs for a
galvanized roof hatch.
1. ASTM A 36/A 36M-01:
Specification for Carbon Structural Steel.
2. ASTM A 653/A
653M-02: Specification for Steel Sheet, Zinc-Coated (Galvanized) or
Zinc-Iron Alloy-Coated (Galvannealed) by the Hot-Dip Process.
3. ASTM A 792/A
792M-02: Specification for Steel Sheet, 55% Aluminum-Zinc Alloy-Coated
by the Hot-Dip Process.
Retain the following 2 subparagraphs for
an aluminum roof hatch
4. ASTM B 209-02:
Specification for Aluminum and Aluminum-Alloy Sheet and Plate.
5. ASTM B 209M-02:
Specification for Aluminum and Aluminum-Alloy Sheet and Plate [Metric].
1.04 SUBMITTALS
A.
Product Data: For
each type of roof hatch indicated. Include manufacturer's model number
and accessories and requirements for roughing-in dimensions.
1.05 DELIVERY, STORAGE AND HANDLING
A.
Packing, Shipping, Handling and Unloading: Deliver roof hatch as a
factory assembled unit in manufacturer’s original packaging.
B.
Store
materials in a dry, protected, well-vented area. The contractor shall
thoroughly inspect product upon receipt and report damaged material
immediately to delivering carrier and note such damage on the carrier’s
freight bill of lading.
PART 2: PRODUCTS
2.01 MANUFACTURER
A. J
L Industries, Incorporated
4450 West 78th Street
Circle
Bloomington, MN 55435
Telephone: (952)
835-6850/(800) 554-6077
FAX: (952) 837-1222
WEB: JLindustries.com
2.02 MANUFACTURED
UNITS
A.
Galvanized Roof
Hatch.
Select one or more of the following for
each galvanized roof hatch size. If more than one size is required for
the project, identify each type on a schedule located on the drawings
and identify each type in the specification section.
1. Model: RHG-1;
30 inches by 36 inches clear opening.
2. Model: RHG-2;
54 inches by 30 inches clear opening.
3. Model: RHG-3;
96 inches by 30 inches clear opening.
4. Model: RHG-4;
36 inches by 36 inches clear opening.
5. Model: RHG-5;
48 inches by 48 inches clear opening.
6.
Characteristics:
a. Exterior Metal: 14 gauge galvanized
steel; ASTM A653/A653M-ASTM A792/A792M.
b. Liner Metal: 22 gauge steel; ASTM
A36/A36M.
c. Curb Height: 12 inches.
d. Attachment Flange Width: 4 inches.
e. Curb Insulation: 1 inch fiberboard.
f. Cover Insulation: 1 inch fiberglass.
g. Draft Seal Gasket: EPDM
h. Metal Finish: Bonderite, pre-treated
grey hammertone powder coat.
i. Hardware: Heavy-duty hinge, heavy
gauge automatic hold-open arm with red grip, compression operated shock
absorbing cylinder, and interior and exterior locking handles with
padlock hasps.
j. Loads.
1) Live Load: 40 psf.
2) Maximum Deflection: 1/190 of the span.
3) Wind Uplift: 50 psf.
4) Cover Wind Load In Open Position: 110
mph.
B.
Aluminum Roof Hatch.
Select one or more of the following for
each aluminum roof hatch size. If more than one size is required for
the project, identify each type on a schedule located on the drawings
and identify each type in the specification section.
1. Model: RHA-1;
30 inches by 36 inches clear opening.
2. Model: RHA-2;
54 inches by 30 inches clear opening.
3. Model: RHA-3;
96 inches by 30 inches clear opening.
4. Model: RHA-4;
36 inches by 36 inches clear opening.
5. Model: RHA-5;
48 inches by 48 inches clear opening.
6.
Characteristics:
a. Exterior Metal: 0.090 inch aluminum;
ASTM B209/B209M.
b. Liner Metal: 0.090 inch aluminum; ASTM
B209/B209M.
c. Curb Height: 12 inches.
d. Attachment Flange Width: 4 inches.
e. Curb Insulation: 1 inch fiberboard.
f. Cover Insulation: 1 inch fiberglass.
g. Draft Seal Gasket: EPDM
h. Metal Finish: Bonderite, pre-treated
bronze hammertone powder coat.
i. Hardware: Heavy-duty hinge, heavy
gauge automatic hold-open arm with red grip, compression operated shock
absorbing cylinder, and interior and exterior locking handles with
padlock hasps.
j. Loads.
1) Live Load: 40 psf.
2) Maximum Deflection: 1/190 of the span.
3) Wind Uplift: 50 psf.
4) Cover Wind Load In
Open Position: 110 mph.
PART 3: EXECUTION
3.01 EXAMINATION
A.
Examine areas
and conditions affecting installation. Do not proceed with installation
until unsatisfactory conditions have been corrected.
3.02 INSTALLATION
A.
Install
system level and plumb, and in accord with manufacturer’s written
instructions, original design and referenced standards.
3.03 ADJUSTING
A.
Adjust system
for proper operation. Replace any parts that prevent the roof hatch from
operating properly.
3.04 CLEANING
A.
Remove all
debris caused by installation of the roof hatch. Clean all exposed
surfaces to as fabricated condition and appearance.
3.05 PROTECTION
A.
Provide
protection of the completed installation until completion of the
project. Repair any damage at no additional cost.
3.06 SCHEDULES
If more than one type of roof hatch is
required, provide a schedule similar to the following example below.
Use the corresponding type designations here and on the drawings,
A.
Type
1: [Describe by model].
B.
Type
2: [Describe by model].
C.
Type
3: [Describe by model]. |