CONSTRUCTION MASTER SPECIFICATION

[SECTION 08361]{.underline}

[OVERHEAD SECTIONAL STEEL DOORS]{.underline}

**\*\*\*\*\* This guide section can be used for specifying insulated,
exterior, overhead sectional steel doors for construction projects at
SNL. The specifier will need to edit this section for a specific project
to reflect the options and applications being used. The guide section
has been written so that most editing can be accomplished by deleting
unnecessary requirements and options. Depending on project requirements,
some additional information will need to be added by the specifier.
Options are indicated by \[ \]. Notes to assist the specifier in
selecting options and editing the specification guide are printed in
bold and indicated with \*\*\*\*\*. For final editing, all brackets and
notes will need to be deleted from the guide, and this specification
will need to be made into a Construction Special Specification.**

**Throughout this product guide specification, references are made to
other specification sections that might be contained in the project
manual. These references are presented as examples and coordination
reminders and will need to be edited for a specific project.
\*\*\*\*\***

CONSTRUCTION MASTER SPECIFICATION

[SECTION 08361]{.underline}

[OVERHEAD SECTIONAL STEEL DOORS]{.underline}

[Page]{.underline}

[PART 1 ‑ GENERAL]{.underline}

1.01 Summary
[3](#number-range-level0number-range-level1number-range-level2number-range-level3number-range-level4number-range-level5number-range-level6number-range-level71-summary)

1.02 References [3](#number-range-level1number-range-level2-references)

1.03 Submittals
[5](#number-range-level1number-range-level2number-range-level3-submittals)

1.04 Quality Assurance
[5](#number-range-level1number-range-level2number-range-level3number-range-level4-quality-assurance)

1.05 Delivery, Storage, And Handling
[6](#number-range-level1number-range-level2-delivery-storage-and-handling)

PART 2 ‑ PRODUCTS

2.01 Acceptable Manufacturers
[6](#number-range-level0number-range-level1number-range-level2number-range-level3number-range-level4number-range-level5number-range-level6number-range-level71number-range-level1number-range-level2-acceptable-manufacturers)

2.02 Materials [6](#number-range-level1number-range-level2-materials)

2.03 Exterior Insulated Overhead Sectional Steel Doors
[7](#number-range-level1number-range-level2number-range-level3-exterior-insulated-overhead-sectional-steel-doors)

2.04 Glazing
[9](#number-range-level1number-range-level2number-range-level3-glazing)

2.05 Tracks And Supports
[9](#number-range-level1number-range-level2-tracks-and-supports)

2.06 Counterbalance Assembly
[10](#number-range-level1number-range-level2number-range-level3-counterbalance-assembly)

2.07 Manual Operators [10](#manual-operators)

2.08 Electric Operator
[11](#number-range-level1number-range-level2-electric-operator)

2.09 Accessories
[12](#number-range-level1number-range-level2-accessories)

2.10 Factory Applied Finishes
[13](#number-range-level1number-range-level2number-range-level3-factory-applied-finishes)

PART 3 ‑ EXECUTION

3.01 Preparation
[13](#number-range-level0number-range-level1number-range-level2number-range-level3number-range-level4number-range-level5number-range-level6number-range-level71number-range-level1number-range-level2number-range-level3-preparation)

3.02 Installation
[13](#number-range-level1number-range-level2-installation)

3.03 Field Quality Control
[14](#number-range-level1number-range-level2-field-quality-control)

CONSTRUCTION MASTER SPECIFICATION

[SECTION 08361]{.underline}

[OVERHEAD SECTIONAL STEEL DOORS]{.underline}

# PART 1 ‑ GENERAL

## 1.0Number range level0Number range level1Number range level2Number range level3Number range level4Number range level5Number range level6Number range level71 SUMMARY

**\*\*\*\*\* Edit the following to reflect required overhead sectional
steel door assemblies. \*\*\*\*\***

A.  Section includes: \[Manually operated,\] \[Electrically operated,\]
    exterior, insulated, \[glazed\] overhead sectional steel doors.

**\*\*\*\*\* List other specification sections dealing with work
directly related to this section such as the following. \*\*\*\*\***

B.  Related sections:

    1.  Section 05500, "Metal Fabrications": Steel angles, supports, and
        framing of overhead sectional door openings and auxiliary
        structural framing for suspending door tracks.

    2.  Section 09900, "Painting": Field painting of overhead sectional
        steel doors.

    3.  Section 16001, "Electrical Work": Electrical power supply and
        wiring devices for electrically operated sectional doors.

C.  Number range level3See Door Schedule in Drawings for types, sizes,
    and configurations of overhead sectional doors.

## 1.02Number range level1Number range level2 REFERENCES

**\*\*\*\*\* List by number and full title reference standards referred
to in remainder of specification section. Delete non-applicable
references. \*\*\*\*\***

A.  American National Standards Institute (ANSI):

ANSI Z97.1 Safety Performance Specifications and Methods of Test for
Safety Glazing Material Used in Buildings.

D.  American Society of Testing and Materials (ASTM):

ASTM A366 Steel, Carbon, Cold Rolled Sheet, Commercial Quality.

ASTM A653/A653M Specification for Steel Sheet, Zinc-Coated (Galvanized)
or Zinc-Iron Alloy Coated (Galvannealed) by the Hot-Dip Process.

ASTM C578 Rigid, Cellular Polystyrene Thermal Insulation.

ASTM E2074 Test Method for Fire Tests of Door Assemblies, Including
Positive Pressure Testing of Side-Hinged and Pivoted Swinging Door
Assemblies.

E.  Code of Federal Regulations (CFR)

> CFR 16-CFR 1201 Safety Standard for Architectural Glazing Materials.

F.  Door and Access Systems Manufacturers Association (DASMA):

DASMA 105 Test Method for Thermal Transmittance and Air Infiltration of
Garage Doors.

G.  Factory Mutual (FM)

H.  Number range level3Green Seal (GS):

GS GC-03 Environmental Criteria for Anti-Corrosive Paints.

G.  National Fire Protection Association (NFPA):

> NFPA 80 Standard for Fire Doors, Fire Windows.

H.  Number range level3Steel Structures Painting Council (SSPC):

SSPC Paint 20 Zinc-Rich Coatings (Type I-Inorganic and Type II-Organic).

SSPC Paint 25 Zinc Oxide, Alkyd, Linseed Oil Primer for Use Over Hand
Cleaned Steel, Type I and Type II.

A.  Underwriter's Laboratories (UL)

## 1.03Number range level1Number range level2Number range level3 SUBMITTALS

A.  Submit in accordance with Section 01330, "Submittal Procedures":

    1.  Product data for overhead sectional door assemblies and
        components. Each overhead sectional door assembly shall be
        obtained as a complete unit, produced by one manufacturer.

    2.  Function descriptions for electric operators.

    3.  Shop drawings indicating door assembly elevations, dimensions,
        track configuration, \[wiring diagrams,\] and details for
        fabrication, suspension and bracing of track, attachment,
        anchorage, and installation. Reflect actual Project conditions,
        adjacent components, and required clearances for adjustment.

    4.  Certificates Documenting:

        a.  Domestic Steel: Sectional steel doors are manufactured from
            United States produced steel as required by Paragraph
            \[2.2.A\] \[\_\_\_\_\_\].

        b.  Wind Load Resistance: Exterior units have been successfully
            tested for performance specified in Paragraph \[2.3.D.1\]
            \[\_\_\_\_\_\].

        c.  Air Infiltration: Exterior units have been successfully
            tested for performance specified in Paragraph \[2.3.D.2\]
            \[\_\_\_\_\_\].

        d.  R-Value: Exterior thermal units have been successfully
            tested for performance specified in Paragraph \[2.3.F.5\]
            \[\_\_\_\_\_\].

        e.  Ozone Depleting Substances (ODS): Door insulation does not
            contain ODS as required by Paragraph \[2.2.B\]
            \[\_\_\_\_\_\].

        f.  Primer Environmental Criteria: Primers comply with GS GC-03
            as required by Paragraph \[2.2.D\] \[\_\_\_\_\_\].

## 1.04Number range level1Number range level2Number range level3Number range level4 QUALITY ASSURANCE

A.  Manufacturer: Company currently manufacturing overhead sectional
    doors with 5 years minimum successful experience.

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B.  Installer: Experienced in the installation of overhead sectional
    doors and approved by the door manufacturer.

C.  Fire-Rated Door Assemblies: Comply with NFPA 80, tested for
    fire-test-response characteristics per ASTM E2074, and are labeled
    and listed by UL or another nationally recognized testing
    laboratory.

## 1.05Number range level1Number range level2 DELIVERY, STORAGE, AND HANDLING

A.  Inspection: Upon delivery, inspect units. Remove and replace damaged
    units.

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D.  Storage: Store components under cover, off ground, and in manner to
    avoid damage or distortion. Protect from corrosion and
    deterioration.

# PART 2 ‑ PRODUCTS

## 2.0Number range level0Number range level1Number range level2Number range level3Number range level4Number range level5Number range level6Number range level71Number range level1Number range level2 ACCEPTABLE MANUFACTURERS

**\*\*\*\*\* The following are acceptable manufacturers of overhead
sectional steel doors. However, not all manufacturers provide all types
and options of door assembly. Edit list to reflect manufacturers that
offer specified options. \*\*\*\*\***

A.  Raynor Garage Doors; Dixon, Illinois; (www.raynor.com).

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E.  Overhead Door Corporation; Dallas, Texas; (www.overheaddoor.com).

F.  Wayne-Dalton Corporation; Mount Hope, Ohio; (www.wayne-dalton.com).

G.  Windsor Door; Little Rock, Arkansas; (www.windsordoor.com).

H.  Manufacturers of equivalent products submitted and approved in
    accordance with Section 01330, "Submittal Procedures".

## 2.02Number range level1Number range level2 MATERIALS

A.  Steel: Manufactured in United States, in accordance with
    requirements of Quality Assurance article.

    1.  Cold-Rolled Steel Sheet: Commercial quality, stretcher level for
        flatness complying with ASTM A366.

    2.  Galvanized Steel Sheet: Comply with ASTM A653/A653M, Grade A,
        with minimum yield strength of 33,000 psi, and a minimum G90
        Zinc-Coating.

**\*\*\*\*\* Polyurethane foam insulation is not to be used as door
panel insulation for SNL projects. \*\*\*\*\***

I.  Number range level3Door Section Insulation: Fire-retardant, closed
    cell, expanded polystyrene complying with ASTM C578 and not
    containing ozone depleting substances (ODS), including CFC
    (Chlorofluorocarbon) or HCFC (Hydrochlorofluorocarbon) blowing
    agents. No CFC or HCFC-based insulating materials shall be furnished
    and installed under this contract.

J.  Galvanizing Repair Paint: Comply with SSPC Paint 20.

K.  Primer: Corrosion inhibiting, red oxide primer complying with SSPC
    Paint 25 and GS GC-03.

    1.  Lead and cadmium free.

    2.  VOC Concentration: 250 grams maximum per liter minus water and
        chemical component restrictions.

## 2.03Number range level1Number range level2Number range level3 EXTERIOR INSULATED OVERHEAD SECTIONAL STEEL DOORS

A.  Type: \[Manually operated,\] \[Electrically operated,\] spring
    counterbalanced, insulated, weatherproofed, exterior, \[glazed,\]
    overhead sectional steel door furnished complete with tracks,
    hardware, fastenings, operating mechanism, weather seals, and
    accessories; Model No. \[\_\_\_\_\_\] as manufactured by
    \[\_\_\_\_\_\].

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L.  Opening Sizes: \[\[\_\_\_\_\_\] feet wide by \[\_\_\_\_\_\] feet
    high.\] \[As indicated on Drawings.\]

M.  Configuration: \[\_\_\_\_\_\] sections high \[with \[\_\_\_\_\_\]
    sections glazed with \[\_\_\_\_\_\] lights per section.\] \[As
    indicated on Drawings.\]

N.  Performance Requirements:

    1.  Wind Loading: Coiling exterior door assemblies shall withstand
        25 PSF positive and negative wind loads without damage and
        permanent deformation.

    2.  Maximum Air Infiltration: Air leakage shall not exceed 0.4 cubic
        feet per minute per square foot tested in accordance with DASMA
        105.

**\*\*\*\*\* Edit the following paragraph to reflect type of operation.
Verify type of operation is suitable for door size. Refer to
manufacturer\'s product literature for recommended operation and size
limitations. In general, use the following guidelines for maximum door
opening areas: \*\*\*\*\*\***

**Manual push-up operation: 12 feet high maximum and 120 square feet
maximum area.**

**Manual chain operation: 12 feet wide maximum and 168 square feet
maximum.**

**Motorized operation: As recommended by manufacturer for type of motor
operator.**

O.  Number range level3Operation: \[Manual push-up operation requiring
    25 pounds maximum effort to open and close. Provide with lift
    handles on bottom section and pole with hook.\] \[Manual chain
    operated with endless chain and requiring 35 pounds maximum effort
    to open and close.\] \[Electric, motorized operation.\]

P.  Door Sections: Sandwich panel fabricated with roll folded galvanized
    steel sheet faces and polystyrene insulation.

    1.  Nominal size: 24 inches high by 2 inches deep.

    2.  Minimum exterior face thickness: 16-gauge.

    3.  Minimum interior face thickness: 24-gauge.

    4.  Horizontal meeting edges: Ship lap or keyed design with
        resilient weather seal to prevent air infiltration.

    5.  Insulation: Expanded polystyrene with minimum R-Value of 6.

    6.  Stiles: Enclose panel ends with 16-gauge channel-shaped stiles,
        welded in place. Provide intermediate stiles at 48 inches O.C.
        maximum, welded in place.

    7.  Reinforcement: Reinforce door sections with galvanized steel
        members as required by door width and loading. Provide bottom
        section with continuous channel or angle conforming to bottom
        section profile.

Q.  Number range level3Hardware: Heavy-duty, galvanized steel components
    with galvanized, cadmium plated, or stainless steel fasteners.
    Attachments shall be reinforced with backup plates. Bolts shall be
    secured with lock nuts or lock washers.

    1.  Hinges: Type, size and spacing as recommended by manufacturer
        for door size.

    2.  Rollers: Heavy-duty rollers with steel ball bearings in
        case-hardened steel races and case-hardened steel wheels of
        diameter to fit track.

    3.  Dead Bolt: Interior mounted, heavy-duty slide bolt to engage
        slot in track.

R.  Number range level3Weather seals: Factory applied resilient material
    capable of replacement without removal of track, doors, or hardware.

    1.  Head: Top seal at door head.

    2.  Jambs: Flap to press against door sections.

    3.  Bottom: Compressible astragal.

    4.  Section Joints: Continuous across door to seal joint between and
        provide thermal break.

## 2.04Number range level1Number range level2Number range level3 GLAZING

**\*\*\*\*\* Various types of factory-installed glazing can be provided
for sectional door panels. Include this article if glazing is required.
\*\*\*\*\***

A.  Factory install glazed lights in overhead sectional doors at
    locations indicated on Drawings. Comply with safety glazing
    requirements of ANSI Z97.1 and CFR 16-CFR 1201.

**\*\*\*\*\* Various types and sizes of glazed lights are available for
insertion in overhead sectional doors. Refer to manufacturers\' product
literature for options. \*\*\*\*\***

S.  Type: \[Molded, high-impact polymer frame with \[1/2 inch thick,
    clear, insulating, safety glass.\] \[1/4 inch thick, clear safety
    glass.\] \[1/4 inch thick \[clear\] \[translucent\] \[acrylic\]
    \[polycarbonate\] plastic glazing.\] \[\_\_\_\_\_\].

T.  Nominal Size: \[24 inches wide by 8 inches high\] \[\_\_\_\_\_\].

## 2.05Number range level1Number range level2 TRACKS AND SUPPORTS

A.  Provide manufacturer\'s recommended track assembly designed to
    adequately accommodate door size and weight, clearances, and Project
    conditions. Include required brackets, bracing, and reinforcing for
    rigid, secure, functional installation without sag, sway, and
    vibration of assembly during door operation.

**\*\*\*\*\* Edit the following to reflect type of track configuration.
Refer to manufacturer\'s product literature for required dimensions and
clearances. Coordinated with Drawings. \*\*\*\*\***

U.  Track Configuration: \[Standard lift with \[horizontal\] \[inclined
    track\] extending directly above door opening.\] \[High lift with
    tracking continuing vertically above door opening before extending
    \[horizontally\] \[at an incline\].\] \[Vertical lift with track
    extending vertically above door opening.\] \[Low headroom with
    tracking extending horizontally directly above door opening and
    counterbalance assembly mounted \[at rear\] \[in front\] of track
    extension.\] \[As indicated on Drawings.\]

V.  Fabricate track from galvanized steel sections using welded
    connections.

    1.  Vertical track shall be angled to ensure tight closure at jambs
        when door is closed. Provide continuous angle for mounting
        vertical track to jambs.

    2.  Provide slotted holes in vertical track sections at 2 inches to
        accommodate door drop safety device.

    3.  Reinforce horizontal track sections with continuous angle to
        prevent deflection. Suspend horizontal track at ends and curves
        with laterally braced to supports attached to overhead
        structural framing.

## 2.06Number range level1Number range level2Number range level3 COUNTERBALANCE ASSEMBLY

**\*\*\*\*\* Spring counterbalanced assemblies are typically rated to
provide 10,000 minimum use cycles. Long-life springs of 25,000, 50,000,
and 100,000 cycles can be specified for high usage doors. Refer to
manufacturer\'s product literature for available ratings and edit the
following for Project requirements. \*\*\*\*\***

A.  Equip doors with assembly designed for counterbalanced lifting of
    sectional door of specified size and weight. Counterbalanced
    assembly shall be rated for \[10,000\] \[25,000\] \[50,000\]
    \[100,000\] use cycles.

    1.  Type: Adjustable, torsion springs on continuous ball bearing
        cross header shaft and connected to door with lifting cables.

    2.  Springs: Helical wound, oil-tempered spring wire with internal
        safety rods.

    3.  Fittings and Drums: Die-cast, high strength aluminum. Drums
        grooved to receive cables. Provide quantity, size, and spacing
        of brackets as recommended by manufacture for door size and
        weight.

    4.  Lifting Cable: Galvanized aircraft type with 5 to 1 minimum
        safety factor.

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W.  Number range level3Door Drop Safety Device: Spring-loaded steel or
    bronze cam device mounted to bottom roller assembly on each side of
    door section. Device to automatically engage track slots and stop
    door if either cable breaks.

X.  Totalizer: Equip assembly with device to record number of open and
    close cycles.

## 2.07 MANUAL OPERATORS

**\*\*\*\*\* For push-up doors up to 12\' high or 120 S.F. maximum, or
lightweight doors, except as otherwise indicated. \*\*\*\*\***

A.  Push-Up: Provide lift handles and pull rope for raising and lowering
    doors, operating with not more than 25 lbs. lift or pull.

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Y.  Chain Hoist

    1.  Provide direct drive chain hoist for doors not exceeding 12\'
        wide or 168 S.F. (unless otherwise indicated); side-mounted unit
        consisting of an endless steel hand chain, cast-iron pocket
        pulley and chain guard, mounted on counterbalance shaft and
        operating with not more than 35 lbs. pull.

    2.  Provide reduction drive chain hoist for doors not over 22\' wide
        or 308 S.F. and high lift doors, unless otherwise indicated;
        side-mounted unit consisting of an endless steel hand chain,
        chain pocket wheel and reduction unit of at least 3 to 1, roller
        chain and sprocket drive, end-mounted on counterbalance shaft
        and operating with not more than 35 lbs. pull.

    3.  Provide trolley-mounted reduction drive chain hoist for doors
        over 15\' high and when door area exceeds 195 S.F., unless
        otherwise indicated; consisting of an endless steel hand chain,
        chain pocket wheel and guard, reduction unit of at least 3 to 1,
        driving through separate drive shaft to center trolley track.
        Connect to door through secondary drive roller chain and
        sprocket and operate at not more than 35 lbs. pull.

## 2.08Number range level1Number range level2 ELECTRIC OPERATOR

**\*\*\*\*\* Include this article if electric operated sectional doors
are required. \*\*\*\*\***

A.  Electric motor operator with pre-wired motor controls, built-in
    safety system, reversing magnetic controller, overload protection,
    electric brake, remote control station, and limit switches.

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Z.  Motor: Provide 208 volt AC, 3-phase, constant duty, instant
    reversing, high-starting torque with automatic reset and thermal
    overload protection, Class A insulated electric motor. Unit shall be
    self-locking and capable of holding door in any position in case of
    counterbalance spring failure. Sized motor to move door in either
    direction from any position at 8 inches minimum per second and 12
    inches maximum per second.

A.  Limit Switches: Adjustable rotary type synchronized with door.

B.  Clutch: Adjustable disc type.

C.  Brake: Solenoid actuated drum type.

D.  Control Station: Momentary-contact, 3-button station with open,
    close, and stop functions.

    1.  Interior Installations: NEMA Type 1 surface mounted enclosure,
        full guarded and heavy-duty.

    2.  Exterior Installation: NEMA Type 4, weatherproof, surface
        mounted enclosure, full guarded, standard duty and key-operated.

E.  Magnetic Starter: Provide a reversing, across-the-line type magnetic
    starter with three integral overload relays to open the control
    circuit when any one of the three overload relays open on excessive
    motor current.

    1.  These overload relays shall be located in the reversing motor
        starter housing and shall be manufactured by the starter
        manufacturer.

F.  Number range level3Manual Override: In case of power failure,
    provide auxiliary hand chain operator interlocked to disconnect
    motor, prevent motor operating, and release break.

G.  Safety Device: Provide electric sensing edge on bottom bar to sense
    object in path of door and activate switch that reverses door\'s
    downward travel.

H.  Control Transformer: Provide a control transformer, if required, to
    obtain a 120-volt AC control voltage, unless otherwise noted on the
    drawings.

    1.  The transformer shall have the neutral side solidly grounded to
        the housing around the starter.

## 2.09Number range level1Number range level2 ACCESSORIES

A.  Bumpers: Provide compression or leaf spring bumpers at each end of
    horizontal track to cushion door at end of opening operation.

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I.  Fasteners and Anchors: Heavy-duty, galvanized or stainless steel of
    type, size, and spacing as recommended by door manufacturer for
    secure, rigid, functional installation.

J.  Locking Devices:

    1.  Push-up Doors: Interior slide bolts suitable for padlocks.

    2.  Chain Operated Doors: Chain keepers suitable for padlocks.

**\*\*\*\*\* In order to prevent potential damage to electric motor
operators, electrically operated sectional doors should not be equipped
with padlocks or other type of mechanical lock. If dead bolts are used
in conjunction with motor operators, specify deadbolt interlock.
\*\*\*\*\***

3.  Electrically Operated Doors: Solenoid operated brake. \[For
    deadbolts provide interlock limit switch to remove control power
    from open button of control station when dead bolt is engaged.\]

## 2.10Number range level1Number range level2Number range level3 FACTORY APPLIED FINISHES

A.  Factory prime galvanized and ferrous metal surfaces:

    1.  Preparation: Clean with non-petroleum solvent to remove oil,
        dirt, grease, and other contaminants. Clean welds, mechanical
        connections, and abraded areas. Apply galvanizing repair paint
        to galvanized components.

    2.  Pretreat with conversion coating compatible with primer.

    3.  Primer: Apply primer to prepare units for site applied paint
        finish.

# PART 3 ‑ EXECUTION

## 3.0Number range level0Number range level1Number range level2Number range level3Number range level4Number range level5Number range level6Number range level71Number range level1Number range level2Number range level3 PREPARATION

A.  Examination: Prior to fabrication or submittal of shop drawings,
    field verify size of openings and clearances. Determine installation
    conditions and requirements.

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K.  Coordinate provision of overhead sectional doors to ensure adequate
    structural support is provided for suspension of door and tracks.

**\*\*\*\*\* Include the following paragraph if electrical operators are
specified. \*\*\*\*\***

L.  Coordinate provision of overhead sectional doors to ensure proper
    power supply is provided for electric operators.

M.  Furnish built-in anchors and inserts in timely manner to avoid
    delays.

## 3.02Number range level1Number range level2 INSTALLATION

A.  Install overhead door assemblies in prepared openings in accordance
    with approved shop drawings and manufacturer\'s instructions.

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N.  Use anchorage devices to securely fasten assembly to wall
    construction and building framing without distortion or stress.

O.  Fit and align door assembly including hardware, level and plumb, to
    provide smooth operation.

P.  Doors shall be lubricated and properly adjusted to manufacturer\'s
    specifications to operate freely. Completed doors shall be free from
    warp, twist, and distortion.

Q.  Remove labels, visible markings, and clean assemblies.

## 3.03Number range level1Number range level2 FIELD QUALITY CONTROL

A.  Testing: After installation, operate doors completely open, closed,
    and locked a minimum of three times. Ensure perimeter is
    weathertight. Correct deficiencies, adjust, and re-test.

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R.  Remove labels, visible markings, and clean assemblies.

END OF SECTION