105626.13 mobile aisle storage shelving.pdf

F5W61608 USPFO Warehouse Ohio Army National Guard Rev. 0 Defense Supply Center Columbus, Ohio 30 January 2009 Bid Final

MOBILE AISLE STORAGE SHELVING 105626.13 - 1

SECTION 105626.13 - MOBILE AISLE STORAGE SHELVING

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 1 Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes the following:

1. Mechanically assisted mobile aisle storage shelving, CI4. This is an optional bid item (OBI).

1.3 PERFORMANCE REQUIREMENTS

A. Structural Performance for Metal Storage Shelving: Provide metal storage shelving capable of withstanding the loads indicated when tested according to MH 28.1, "Specification for the Design, Testing, Utilization and Application of Industrial Grade Steel Shelving."

B. Reference Structural Drawings for seismic risk zone.

1.4 SUBMITTALS

A. Product Data: Include rated capacities, construction details, material descriptions, dimensions of individual components and profiles, and finishes for metal storage shelving.

B. Shop Drawings: Show fabrication, assembly, and installation details including descriptions of procedures and diagrams. Show complete extent of installation layout including clearances, spacings, and relation to adjacent construction in plan, elevation, and sections. Indicate clear exit and access aisle widths; access to concealed components; assemblies, connections, attachments, reinforcement, and anchorage; and deck details, edge conditions, and extent of finish flooring within area where units are to be installed.

1. Show installation details at non-standard conditions. Furnish floor layouts, technical and installation manuals for every unit shipment with necessary dimensions for rail layout and system configuration at the project site. Include installed weight, load criteria, furnished specialties, and accessories.

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2. Provide layout, dimensions, and identification of each unit corresponding to sequence of installation and erection procedures. Specifically include the following:

a. Location, position and configuration of rails on all floors.

b. Plan layouts of positions of carriages, including all required clearances.

c. Details of shelving, indicating method and configuration of installation in carriages.

3. Provide location and details of anchorage devices to be embedded in or fastened to other construction.

4. Provide electrical connection locations, voltage, number of phases, and load.

5. Provide installation schedule and complete erection procedures to ensure proper installation. Shop Drawings: Show fabrication and installation details for mobile aisle storage shelving, including rails, base, drive, upright-to-shelf/arm connections, lateral bracing, and attachments to other work. Include plans, elevations, sections, details, and relationship to other work.

6. Calculations: Include structural analysis data for shelving units, including capacities of shelving sections, compression members (posts), and shelf connectors; signed and sealed by the qualified professional engineer responsible for their preparation.

C. Standard Color Samples

D. Qualification Data: Furnish signed certification by manufacturer attesting that installers comply with specified requirements. Submit manufacturer's certification that products comply with requirements of the contract documents.

E. Maintenance Data: Provide in form suitable for inclusion in maintenance manuals for mobile storage units. Data shall include operating and maintenance instructions, parts inventory listing, purchase source listing, emergency instructions, and related information.

1. Submit manufacturer's instructions for proper maintenance materials and procedures.

2. Submit manufacturer's printed instructions for maintenance of installed work, including methods and frequency recommended for maintaining optimum condition under anticipated use conditions. Include precautions against using materials and methods which may be detrimental to finishes and performance.

1.5 QUALITY ASSURANCE

A. Manufacturer Qualifications: Engage an experienced manufacturer who is ISO 9001 certified for the design, production, installation and service of carriage mounted high-density mobile storage units and support rails. Furnish manufacturer’s certification attesting ISO 9001 quality system registration.

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B. Installer Qualifications: Manufacturer's authorized representative who is trained and approved for installation of units required for this Project.

C. Source Limitations: Obtain all mobile aisle storage shelving through one source from a single manufacturer.

D. Product Options: Drawings indicate size, profiles, and dimensional requirements of metal storage shelving and are based on the specific system indicated.

1. Do not modify intended structural performance and aesthetic effects, as judged solely by Contracting Officer, except with Contracting Officer’s approval. If modifications are proposed, submit comprehensive explanatory data to Contracting Officer for review.

E. Welding: Qualify procedures and personnel according to AWS D1.3, "Structural Welding Code--Sheet Steel."

F. Preinstallation Conference: Conduct conference at Project site to review installation requirements and to determine shelf elevations for each module.

1.6 DELIVERY, STORAGE, AND HANDLING

A. Deliver metal storage shelving palleted, wrapped, or crated to provide protection during transit and Project-site storage. Follow all manufacturer’s recommendations.

1.7 PROJECT CONDITIONS

A. Environmental Limitations: Do not deliver or install metal storage shelving until spaces are enclosed and weatherproof, wet work in spaces is completed and dry, and ambient temperature is being maintained at the levels indicated for Project when occupied for its intended use.

1.8 EXTRA MATERIALS

A. Furnish extra materials described below, before installation begins, that match products installed and that are packaged with protective covering for storage and identified with labels describing contents.

1. Shelf Labels: Full-size units equal to 5 percent of amount installed for each type indicated, but no fewer than 10 labels.

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1.9 WARRANTY

A. Provide a written warranty, executed by Contractor, Installer, and Manufacturer, agreeing to repair or replace units which fail in materials or workmanship within the established warranty period. This warranty shall be in addition to, and not a limitation of other rights the Owner may have under General Conditions provisions of the Contract Documents.

B. Warrant the entire movable compact shelving installation against defects in materials and workmanship for a period of five years from date of acceptance by the Owner.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Basis-of-Design Product: Spacesaver Corporation mechanically assisted mobile storage system or a comparable product by one of the following:

1. Manufacturers:

a. Spacesaver Corporation

b. Borroughs Corporation.

c. Equipto.

d. Richards-Wilcox, Inc.

2.2 SYSTEM DESCRIPTION

A. General: The system consists of manufacturer furnished storage units mounted on manufacturer’s track-guided carriages to form a compact storage system. System design permits access to any single aisle by manually moving units until the desired aisle is opened. The carriage/rail system provides uniform carriage movement along the total length of travel, even with unbalanced loads.

B. Carriage System Design and Features: The carriage system consists of a formed structural steel frame with machined and balanced wheels riding on steel rails surface mounted to the floor. Rails shall be types selected by the manufacturer to ensure smooth operation and self-centering of mobile storage units during travel without end play or binding. Rail types, quantities and spacing shall be selected by the manufacturer to suit installation conditions and requirements. All bearings used in the drive mechanism shall be permanently shielded and lubricated.

C. Rails shall be embedded design approximately flush with adjacent finished floor.

Concrete topping shall be poured to fill gap between existing slab and top of rail.

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D. Movement Controls: Triple arm operating wheels with rotating hand knobs shall be provided on the accessible (drive) ends of shelf units, centered on the end panel, located 40 inches from the base of each unit to permit units to be moved to create a single aisle opening. Turning the handle transmits power through a chain drive to drive wheels on each carriage.

E. Drive System: The system shall be designed with a positive type mechanically-assisted drive which minimizes end play, ensures there is no play in the drive handle, and that carriages will stop without drifting.

1. System shall include a chain sprocket drive system for each movable carriage to ensure that carriages move uniformly along the total length of travel, even with unbalanced loads. All system components shall be selected to ensure a smooth, even movement along the entire carriage length. Drive system gearing shall be designed to permit 1 lb. of force applied to the drive handle to move a minimum of 4,000 lbs. of load.

2. A tensioning device shall be provided on each chain drive with provision for adjusting tension without removing end panels.

3. All bearings used in the drive mechanism shall be permanently shielded and lubricated.

F. Fixed modules shall include base so that elevations match mobile modules.

2.3 PERFORMANCE REQUIREMENTS

A. Ease of Movement: Provide mechanically assisted units capable of being moved by exerting a maximum horizontal force of 5 pounds on the operating wheel.

B. Stopped carriages shall not drift or roll.

2.4 MATERIALS

A. Hot-Rolled Steel Sheet: ASTM A 1011, Commercial Steel (CS), Type B; free of scale, pitting, or surface defects; pickled and oiled.

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

C. Steel Tubing: ASTM A 513, Type 2.

D. Steel Wire: ASTM A 899.

E. Postinstalled Expansion Anchors in Concrete: With capability to sustain, without failure, a load equal to 4 times the load imposed, as determined by testing per ASTM E 488, conducted by a qualified independent testing agency.

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1. Corrosion Protection: Carbon-steel components zinc plated to comply with ASTM B 633, Class Fe/Zn 5 for Class SC 1 service condition (mild).

2. Corrosion Protection: Stainless-steel components complying with ASTM F 593 and ASTM F 594, Alloy Group 1 or 2 for nuts and bolts; ASTM A 666 or ASTM A 276, Type 304 or 316, for anchors.

3. Corrosion Protection: Components fabricated from nickel-copper-alloy rods complying with ASTM B 164 for UNS No. N04400 alloy.

F. Power-Actuated Fasteners in Concrete: Fastener system of type suitable for application indicated, fabricated from corrosion-resistant materials, with clips or other accessory devices for attaching foot plates for shelving units, and with capability to sustain, without failure, a load equal to 10 times that imposed by shelving systems, as determined by testing per ASTM E 1190, conducted by a qualified testing and inspecting agency.

G. General: Provide non-shrink, non-staining hydraulic cement compound conforming to the following requirements, based on the performance of the test specimens at room temperature and in laboratory air.

1. Linear Movement: No shrinkage while setting; maximum expansion limited to .002 inches per linear inch.

2. Compressive Strength: Based on two inch cubes made following ASTM standards, tested on a Balding-Southward machine of 60,000 pounds capacity, meet or exceed the following:

a. Age: 1 hour 4,500 psi

b. Age: 7 days 8,000 psi

2.5 MANUFACTURED COMPONENTS

A. Rails:

1. Material: ASTM/AISI Type 1035 or 1045 steel, manufacturer’s selection.

2. Capacity: 1,000 pounds per lineal foot of carriage.

3. Minimum Contact Surface: 5/8 inch wide.

4. Provide rail sections in minimum 6 foot lengths.

5. Rails shall be recessed embedded in concrete floor with top of rail above floor per manufacturer’s standard recessed rail design.

6. Provide rail connections designed to provide horizontal and vertical continuity between rail sections, to gradually transfer the concentrated wheel point load to and from adjoining rail sections. Butt joints are not permitted.

B. Carriages:

1. Provide manufacturer's design movable carriages fabricated of welded or bolted steel construction. Galvanized structural components and/or riveted carriages are unacceptable.

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2. Fabricate to ensure no more than 1/4 inch maximum deviation from a true straight line. Splice and weld to ensure no permanent set or slippage in any spliced or welded joint when exposed to forces encountered in normal operating circumstances.

3. Provide fixed carriages of same construction and height as the movable carriages, anchored to rails. Setting fixed shelving directly on floors is not permitted.

4. When required, provide bolted carriage splices designed to maintain proper unit alignment and weight load distribution.

5. Design carriages to allow the shelving uprights to recess and interlock into the carriages a minimum of 3/4 inch. Top mount carriages are unacceptable.

6. Provide each carriage with two wheels per rail.

C. Drive / Guide System:

1. Design: Provide drive system which prevents carriage whipping, binding and excessive wheel/rail wear under normal operation.

a. If line shafts are used, all wheels on one side of carriage shall drive.

b. If synchronized drives are used, a minimum of one wheel assembly driving both sides of carriage at center location required. Drive shaft shall exhibit no play or looseness over the entire length of that assembly.

2. Shafts: Solid steel rod or tube.

3. Shaft Connections: Secured couplings.

4. Bearing Surfaces: Provide rotating load bearing members with ball or roller bearings. Provide shafts with pillow block or flanged self-aligning type bearings.

D. Wheels: precision machined and balanced units with permanently shielded and lubricated bearings.

1. Capacity: Minimum load capacity per wheel: 3200 lbs.

2. Size: Minimum 5 inches, outside diameter drive wheels.

3. Guides: Determined by manufacturer; minimum 2 locations.

E. Face Panels:

1. Materials: Plastic laminate clad particle board with plastic edging on vertical edges.

2. Finishes: Selected from manufacturer’s standard available colors and patterns.

F. Aisle Lighting:

1. Two-tube, energy efficient, 4-foot long fluorescent fixtures with prismatic diffusers mounted to top of shelving so that fixtures are centered on open aisles.

2. Provide three fixtures per aisle or as required for 20 fc average illumination.

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3. Lights shall be automatically activated when an aisle is opened and deactivated when an aisle is closed.

2.6 FOUR-POST METAL STORAGE SHELVING

A. General: Factory-formed, field-assembled, freestanding, four-post metal storage shelving system; designed for shelves to span between and be supported by sheet metal end panels, with shelves adjustable over the entire height of shelving unit.

Provide fixed top and bottom shelves, adjustable intermediate shelves, and accessories indicated.

B. End Panels: Fabricated from 0.0239 (24 gauge)-inch thick, cold-rolled steel sheet;

with horizontal slots spaced at 1 inch o.c. for supporting shelves.

C. Back Panel: All shelves to have backs fabricated from 0.0239 (24 gauge)-inch thick, cold-rolled steel sheet.

D. Shelves:

1. Load-Carrying Capacity: 500 lb. per 4 ft section

E. Shelf Quantity: Six shelves per shelving unit in addition to top and bottom shelf.

F. Base: Closed; fabricated from same material and with same finish as end panels.

G. Overall Unit Width: per drawings and schedules.

H. Overall Unit Depth: per drawings and schedules.

I. Overall Unit Height: 10 ft high shelving plus carriage; approximately 10’-6” total.

J. Accessories:

1. Label Holders: Clear plastic, designed to clip onto front edge of shelf.

K. Finish: Manufacturer's standard baked enamel or color coated.

L. Safety: Each movable carriage shall incorporate a passive locking feature that locks a newly opened aisle and indicates that the aisle is locked. A manual unlock action is required before the aisle can be closed.

1. Color-coded visual indicators shall provide verification that carriages are in a locked or unlocked mode.

2. A single safety lock button, mounted on each operating wheel hub, will permit moving a carriage in either direction to create a new access aisle when pulled out (unlocked), or locking the carriage when pushed in.

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2.7 BULK STORAGE SHELVING

A. General: Factory-formed, field-assembled, freestanding, post-and-beam metal storage shelving system, designed for shelves to be supported by beams that span between and are supported by corner posts, with beams adjustable over the entire height of shelving unit. Fabricate initial shelving unit with a post at each corner.

Fabricate additional shelving units, as add-on units designed to share two corner posts with initial shelving unit. Provide adjustable beams.

B. Load-Carrying Capacity per Shelf: 2000 lb.

C. Posts: Fabricated from cold-rolled steel of thickness required for load-carrying capacity per shelf and number of shelves; in manufacturer’s standard shape; with perforations at 1-1/2 inches o.c. to receive beam-to-post connectors.

1. Add-On Shelf Posts: Fabricated from hot-rolled steel, T-shape; perforated to match main posts and of same thickness.

2. Post Base: Cold-rolled steel floor plate, drilled for floor anchors.

D. Beams: Fabricated from cold-rolled steel of thickness required for load-carrying capacity per shelf; in manufacturer’s standard shape; with projecting manufacturer’s standard beam-to-post connectors at each end designed to engage posts. Provide beam at each side of each shelf, with center supports as required for load-carrying capacity of shelf.

E. Ribbed-Metal-Decking Shelves: Fabricated from steel sheet of thickness required for load-carrying capacity per shelf.

2.8 FABRICATION

A. Shop Assembly: Preassemble items in shop to greatest extent possible to minimize field splicing and assembly. Use connections that maintain structural value of joined pieces. Clearly mark units for reassembly and coordinated installation.

B. Fabricate metal storage shelving square and rigid with posts plumb and true, and shelves flat and free of dents or distortion. Fabricate connections to form a rigid structure, free of buckling and warping.

C. Form backs of shelving units up to 48 inches wide from 1 piece.

D. Shear and punch metals cleanly and accurately. Remove burrs.

E. Form edges and corners free of sharp edges or rough areas. Fold back and crimp exposed edges of unsupported sheet metal to form a 1/2-inch- wide hem on the concealed side; ease edges of metal plate to radius of approximately 1/32 inch.

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F. Form metal in maximum lengths to minimize joints. Form bent-metal corners to smallest radius possible without causing grain separation or otherwise impairing work.

G. Weld corners and seams continuously to comply with referenced AWS standard and the following:

1. Use materials and methods that minimize distortion and develop strength and corrosion resistance of base metals.

2. Obtain fusion without undercut or overlap.

3. Remove welding flux immediately.

4. At exposed connections, finish exposed welds and surfaces smooth and blended so no roughness shows after finishing and contour of welded surface matches that of adjacent surface.

5. Weld before finishing components to greatest extent possible. Remove weld spatter and welding oxides from exposed surfaces by descaling or grinding.

H. Build in straps, plates, brackets, and other reinforcements as needed to support shelf loading.

I. Cut, reinforce, drill, and tap metal fabrications to receive hardware, fasteners, and similar items.

J. Form exposed work true to line and level with accurate angles and surfaces and straight sharp edges.

K. Form exposed connections with hairline joints, flush and smooth, using concealed fasteners where possible. Locate joints where least conspicuous.

2.9 FINISHES, GENERAL

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

B. Finish all steel surfaces, components, and accessories except prefinished stainless-steel and chrome-plated surfaces with Manufacturer’s standard powder coat paint finish.

1. Surface Preparation: Remove mill scale and rust, if present, from uncoated steel, complying with SSPC-SP 5/NACE No. 1, "White Metal Blast Cleaning," or SSPC-SP 8, "Pickling."

C. End Panels, Accessible Ends: Plastic laminate, manufacturer’s standard textures and patterns.

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PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine areas, with Installer present, for compliance with requirements for installation tolerances and other conditions affecting performance of work.

B. Examine floors for suitable conditions where mobile aisle storage shelving will be installed.

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

3.2 PREPARATION

A. Vacuum finished floor over which metal storage shelving is to be installed.

3.3 INSTALLATION

A. Rails:

1. Lay out rails using full length units to the maximum extent possible. Use cut lengths only at ends to attain total length required. Locate and position properly, following dimensions indicated on approved shop drawings. Verify thickness of finished floor materials, if any, to be installed (by others) and install level 1/6 inch above finished floor surfaces.

2. Verify level, allowing for a minimum 1/4 inch of grout under high points. Position and support rails so that no movement occurs during grouting.

3. Set rails in full grout bed, completely filling any voids entire length of all rails including rail connectors. Trim up sides flush with rails to ensure proper load transfer from rail to supporting floor. Using shims in lieu of full grouting is not permitted.

4. Installation Tolerances: Do not exceed levelness of installed rails listed below:

a. Maximum Variation From True Level Within Any Module: 3/32 inch.

b. Maximum Variation between Adjacent (Parallel) Rails: 1/16 inch, perpendicular to rail direction.

c. Maximum Variation in Height: 1/32 inch, measured along any 10 foot rail length.

5. Verify rail position and level; anchor to structural floor system with anchor type and spacings indicated on approved shop drawings.

6. Install protective plastic covers over rails.

7. Fill space between rails with concrete topping level with surrounding floor.

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B. Shelving Units Installation:

1. General: Follow layout and details shown on approved shop drawings and manufacturer's printed installation instructions. Position units level, plumb; at proper location relative to adjoining units and related work.

2. Carriages:

a. Place movable carriages on rails. Ensure that all wheels track properly and centering wheels are properly seated on centering rails. Fasten multiple carriage units together to form single movable base where required.

b. Position fixed carriage units to align with movable units.

3. Shelving Units:

a. Install intermediate shelves at elevations determined at preinstallation conference.

b. Permanently fasten shelving units to fixed and movable carriages with vibration-proof fasteners.

c. Stabilize shelving units following manufacturer's written instructions.

Reinforce shelving units to withstand the stress of movement where required and specified.

d. Install metal storage shelving level, plumb, square, rigid, and true.

3.4 ADJUSTING AND CLEANING

A. Verify that shelves adjust easily and properly.

B. On completion of installation, clean exposed surfaces as recommended by manufacturer.

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

D. Replace metal storage shelving that has been damaged or has deteriorated beyond successful repair by finish touchup or similar minor repair procedures.

E. Provide owner with operation and maintenance instructions including manuals and one training session.

END OF SECTION 105626.13