105113 Metal Lockers.pdf

06-01-14

Renovate Dental Space Design Refresh Contract No. 36C25919N0729 02 82 13.13 - 1

SECTION 10 51 13

METAL LOCKERS

PART 1 – GENERAL

1.1 DESCRIPTION

A. This Section includes metal lockers for Locker Rooms.

1.2 RELATED WORK

A. Furring, blocking, and shims (required for installing metal lockers and concealed within other construction before metal locker installation):

Section 06 10 00, ROUGH CARPENTRY.

B. Type of Finish, Color, and Gloss Level of Finish Coat: FROM

MANUFACTURES STANDARD FINISHES.

1.3 SUBMITTALS

A. Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT

DATA, AND SAMPLES.

B. Manufacturer’s Literature and Data:

1. Before fabrication of the lockers is started, submit manufacturer’s literature which will be used to determine compliance with submittal requirements.

C. Samples: Prior to fabrication, provide color samples on actual locker material to determine final color selection.

1.4 QUALITY ASSURANCE

A. Installer Qualifications: An authorized representative of metal locker manufacturer for installation and maintenance of units required for this Project.

B. Source Limitations: Obtain metal lockers and accessories through one source from a single manufacturer.

C. Product Options: Drawings indicate size, profiles, and dimensional requirements of metal lockers and are based on the specific system indicated. Refer to Division 1 Section "Product Requirements."

D. Regulatory Requirements: Where metal lockers are indicated to comply with accessibility requirements, comply with the U.S. Architectural &

Transportation Barriers Compliance Board's "Americans with Disabilities

Act (ADA), Accessibility Guidelines for Buildings and Facilities

(ADAAG)”.

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1.5 DELIVERY, STORAGE, AND HANDLING

A. Do not deliver metal lockers until spaces to receive them are clean, dry, and ready for metal locker installation.

B. Deliver master and control keys to Owner by registered mail or overnight package service.

1.6 PROJECT CONDITIONS

A. Field Measurements: Verify the following by field measurements before fabrication and indicate measurements on Shop Drawings:

1. Concealed framing, blocking, and reinforcements that support metal lockers before they are enclosed. Recessed openings.

1.7 COORDINATION

A. Coordinate sizes and locations of framing, blocking, furring, reinforcements, and other related units of Work specified in other

Sections to ensure that metal lockers can be supported and installed as indicated.

1.8 WARRANTY

A. Special Warranty: Manufacturer's standard form in which manufacturer agrees to repair or replace components of metal lockers that fail in materials or workmanship, excluding finish, within specified warranty period.

1. Failures include, but are not limited to, the following:

a. Structural failures.

b. Faulty operation of latches and other door hardware.

2. Damage from deliberate destruction and vandalism is excluded.

3. Warranty Period for Knocked-Down Metal Lockers: Two years from date of Substantial Completion.

1.9 APPLICABLE PUBLICATIONS

A. Publications listed below form a part of this specification to extent referenced. Publications are referenced in text by the basic designation only. Comply with applicable provisions and recommendations of the following, except as otherwise shown or specified.

download of the section and modify requirements impacted by the changes.

B. American Society for Testing and Materials (ASTM):

A1008/A1008M-12a Steel Sheet, Cold-Rolled, Carbon, Structural, High-Strength Low-Alloy, High-Strength Low-

Contract No. 36C25919N0729 02 82 13.13 - 3

Alloy with Improved Formability, Solution

Hardened, and Bake Hardenable

C. Accessibility Standards:

ADA Americans with Disabilities Act

ADA-ABA Americans with Disabilities Act and the

Architectural Barriers Act

ADAAG Accessibility Guidelines for Buildings and

Facilities

D. Metal Finishes Manual for Architectural and Metal Products (NAAMM)

PART 2 – PRODUCTS

2.1 MATERIALS

A. Cold-Rolled Steel Sheet: ASTM A 1008, Commercial Steel (CS) Type B, suitable for exposed applications.

B. Fasteners: Zinc- or nickel-plated steel, slot-less type exposed bolt heads, and self-locking nuts or lock washers for nuts on moving parts.

C. Anchors: Select material, type, size, and finish required for secure anchorage to each substrate.

1. Provide nonferrous-metal or hot-dip galvanized anchors and inserts on inside face of exterior walls and elsewhere as required for corrosion resistance.

2. Provide toothed-steel or lead expansion sleeves for drilled-in-place anchors.

2.2 METAL LOCKERS

A. Locker Arrangement:

1. Locker Rooms: Double tier.

B. Locker Dimensions:

1. Provide individual units with the following dimensions:

b. 12 inches wide, 15 inches deep and 36 inches high.

C. Body: Assembled by riveting or bolting body components together.

Fabricate from non-perforated, cold-rolled steel sheet with thicknesses as follows:

1. Tops, Bottoms, and Intermediate Dividers: 0.55 mm (0.0209 inch), with single bend at sides.

2. Backs and Sides: 0.55 mm (0.0209 inch) thick, with full-height, double-flanged connections.

3. Shelf: 0.55 mm (0.0209 inch) thick, with double bend at front and single bend at sides and back.

Contract No. 36C25919N0729 02 82 13.13 - 4

D. Frames: Channel formed; fabricated from 1.35 mm (0.0528 inch) thick, cold-rolled steel sheet; lapped and factory welded at corners; with top and bottom main frames factory welded into vertical main frames. Form continuous, integral door strike full height on vertical main frames.

1. Cross Frames between Tiers: Channel formed and fabricated from same material as main frames; welded to vertical frame members.

2. Frame Vents: Fabricate horizontal face frames with vents.

3. Provide resilient bumpers to cushion door closing.

E. Doors: One-piece; fabricated from 1.35 mm (0.0528 inch) thick, cold-rolled steel sheet; formed into channel shape with double bend at vertical edges, and with right-angle single bend at horizontal edges.

1. Reinforcement: Manufacturer's standard reinforcing angles, channels, or stiffeners for doors more than 381 mm (15 inches) wide; welded to inner face of doors.

2. Stiffeners: Manufacturer's standard full-height stiffener fabricated from 1.1 mm (0.0428 inch) thick, cold-rolled steel sheet; welded to inner face of doors.

4. Door Style: Non-perforated panel.

a. Concealed Vents: Slotted perforations in top and bottom horizontal return flanges of doors.

5. Hinges: Self-closing; welded to door and attached to door frame with not less than 2 factory-installed rivets per hinge that are completely concealed and tamper resistant when door is closed;

fabricated to swing 180 degrees.

6. Continuous Hinges: May be provided if manufacturer's standard; steel continuous hinge.

7. Recessed Door Handle and Latch: Stainless-steel cup with integral door pull, recessed so locking device does not protrude beyond face of door; pry resistant.

8. Multipoint Latching: Finger-lift latch control designed for use with built-in combination locks, built-in key locks, or padlocks;

positive automatic and pre-locking.

a. Latch Hooks: Equip doors less than 48 inches(1219 mm) high with 2 latch hooks; fabricated from minimum 0.0966-inch-(2.5-mm-) thick steel; welded or riveted to full-height door strikes; with resilient silencer on each latch hook.

b. Latching Mechanism: Manufacturer's standard rattle-free latching mechanism and moving components isolated with vinyl or nylon to

Contract No. 36C25919N0729 02 82 13.13 - 5 prevent metal-to-metal contact, and incorporating a pre-locking device that allows locker door to be locked while door is open and then closed without unlocking or damaging lock or latching mechanism.

9. Accessible Latching: Provide paddle latch control designed for use with user provided locks. All lower lockers designated as accessible.

13. Equipment: Equip each metal locker with identification plate and the following, unless otherwise indicated.

14. Double-Tier Units: One double-prong ceiling hook and two single-prong wall hooks.

F. Accessories:

1. End Filler Panels:

a. Provide filler panels at each end of locker run to completely fill any residual space between locker units and adjoining walls.

b. Center locker units in recess area.

c. Fabricate from sheet steel matching locker door specification.

G. Base: Install lockers on constructed concrete base provided under other specification division.

H. Finish: Baked enamel.

1. Color(s): As scheduled or as selected from manufacturer's full color range.

2.3 FABRICATION

A. General: Fabricate metal lockers square, rigid, and without warp; with metal faces flat and free of dents or distortion. Make exposed metal edges free of sharp edges and burrs, and safe to touch.

1. Form body panels, doors, shelves, and accessories from one-piece steel sheet, unless otherwise indicated.

2. Provide fasteners, filler plates, supports, clips, and closures as required for a complete installation.

B. Unit Principle: Fabricate each metal locker with an individual door and frame; individual top, bottom, and back; and common intermediate uprights separating compartments.

C. Knocked-Down Construction: Fabricate metal lockers for nominal assembly at Project site using nuts, bolts, screws, or rivets. Factory weld frame members together, to form a rigid one-piece assembly.

D. Hooks: Manufacturer's standard ball-pointed type, aluminum or steel;

zinc plated.

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F. Identification Plates: Manufacturer's standard etched, embossed, or stamped aluminum plates; with numbers and letters at least 9 mm (3/8 inch) high.

G. Continuous Base: Formed into channel or Z profile for stiffness, and fabricated in lengths as long as practicable to enclose base and base ends of metal lockers; finished to match lockers.

H. Finished End Panels: Designed for concealing unused penetrations and fasteners, except for perimeter fasteners, at exposed ends of non-recessed metal lockers; finished to match lockers.

1. Provide one-piece panels for double-row (back-to-back) locker ends.

2.4 STEEL SHEET FINISHES

A. General: Comply with NAAMM's "Metal Finishes Manual for Architectural and Metal Products" for recommendations for applying and designating finishes.

B. Factory finish steel surfaces and accessories except stainless-steel and chrome-plated surfaces.

C. Surface Preparation: Clean surfaces of dirt, oil, grease, mill scale, rust, and other contaminants that could impair paint bond. Use manufacturer's standard methods.

D. Baked-Enamel Finish: Immediately after cleaning, pre-treating and phosphatizing, apply manufacturer's standard thermosetting baked-enamel finish. Comply with paint manufacturer's written instructions for application, baking, and minimum dry film thickness.

PART 3 – EXECUTION

3.1 EXAMINATION

A. Examine walls, floors, and support bases, with Installer present, for compliance with requirements for installation tolerances and other conditions affecting performance of work.

B. Proceed with installation only after unsatisfactory conditions have been corrected.

3.2 INSTALLATION

A. General: Install level, plumb, and true; shim as required, using concealed shims:

1. Anchor locker runs at ends and at intervals recommended by manufacturer, but not more than 910 mm (36 inches) o.c. Install anchors through backup reinforcing plates, channels, or blocking as required to prevent metal distortion, using concealed fasteners.

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2. Anchor single rows of metal lockers to walls near top and bottom of lockers.

B. Knocked-Down Metal Lockers: Assemble knocked-down metal lockers with standard fasteners, with no exposed fasteners on door faces or face frames.

C. Equipment and Accessories: Fit exposed connections of trim, fillers, and closures accurately together to form tight, hairline joints, with concealed fasteners and splice plates.

1. Attach hooks with at least two fasteners.

2. Attach door locks on doors using security-type fasteners.

3. Identification Plates: Identify metal lockers with identification indicated on Drawings.

a. Attach plates to each locker door, near top, centered, with at least two aluminum rivets.

4. Attach sloping top units to metal lockers, with closures at exposed ends.

5. Attach finished end panels with fasteners only at perimeter to conceal exposed ends of non-recessed metal lockers.

3.3 ADJUSTING, CLEANING, AND PROTECTION

A. Clean, lubricate, and adjust hardware. Adjust doors and latches to operate easily without binding. Verify that integral locking devices operate properly.

B. Protect metal lockers from damage, abuse, dust, dirt, stain, or paint.

Do not permit metal locker use during construction.

C. Touch up marred finishes, or replace metal lockers that cannot be restored to factory-finished appearance. Use only materials and procedures recommended or furnished by metal locker manufacturer.

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C. Samples: Prior to fabrication, provide color samples on actual locker material to determine final color selection.

D. Metal Finishes Manual for Architectural and Metal Products (NAAMM)