PROJECT LUNA DATA CENTER
DIVISION 11
SECTION 11 13 19 STATIONARY LOADING DOCK EQUIPMENT
PART 1 GENERAL
1.01
A.
SUMMARY
Section Includes:
1.
B.
Related Requirements:
1.
2.
3.
1.02
Stationary loading dock lifts (scissor lifts).
Section 055000 "Metal Fabrications" for curb angles at edges of recessed pits] and
loading dock platform edge channels.
Section 083323 "Overhead Coiling Doors" for coiling overhead doors electrically
interlocked to dock levelers.
Section 083613 "Sectional Doors" for sectional overhead doors electrically
interlocked to dock levelers.
DEFINITIONS
A.
Operating Range: Maximum amount of travel above and below the loading dock level.
B.
Working Range: Recommended amount of travel above and below the loading dock level for
which loading and unloading operations can take place.
1.03
COORDINATIONS
A.
Coordinate size and location of loading dock equipment indicated to be installed on concrete
and flushed to loading dock at its default position, and furnish anchoring devices with
templates, diagrams, and instructions for their installation
B.
Coordinate installation of cast-in-place items. Furnish setting drawings and templates.
C.
Electrical System Roughing-in: Coordinate layout and installation of loading dock equipment
with connections to power supplies.
1.04
A.
ACTION SUBMIITALS
Product Data: For each type of product.
1.
2.
B.
Include construction details, material descriptions, dimensions of individual
components and profiles, and finishes for stationary loading dock equipment.
Include rated capacities, operating characteristics, electrical characteristics, and
furnished specialties and accessories.
Shop Drawings Include plans, elevations, sections, and attachment details.
1.
2.
3.
Aidea, Inc.
Include plans, elevations, sections, and attachment details.
Include details of equipment assemblies. Indicate dimensions, weights, loads,
required clearances, method of field assembly, components, and location and size of
anchors and each field connection.
Include diagrams for power, signal, and control wiring.
11 13 19 Stationary Loading Equipment - 1/5
PROJECT LUNA DATA CENTER
1.05
INFORMATIONAL SUBMITTALS
A.
Qualification Data: For Installer.
B.
Welding certificates.
C.
Product Test Reports: For each dock leveler, for tests performed by manufacturer and
witnessed by a qualified testing agency.
1.
2.
D.
1.06
A.
1.07
A.
Sample Warranty: For manufacturer's special warranty
CLOSEOUT SUBMITTALS
Operation and Maintenance Data: For stationary loading dock equipment to include in
operation and maintenance manuals.
QUALITY ASSURANCE
Installer Qualifications: An authorized representative who is trained and approved by
manufacturer.
1.
B.
A.
1.09
A.
Maintenance Proximity: Not more than 2 hours normal travel time from Installer's
place of business to Project site..
Welding Qualifications: Qualify procedures and personnel according to the following:
1.
2.
1.08
Indicate compliance of dock levelers with requirements in MH 30.1 for determining
rated capacity based on comprehensive testing within last two years of current
products.
Submittal Form: According to MH 30.1.
AWS D1.1/D1.1M, "Structural Welding Code - Steel."
AWS D1.3/D1.3M, "Structural Welding Code - Sheet Steel.
FIELD CONDITIONS
Field Measurements: Verify actual dimensions of construction contiguous with stationary
loading dock equipment, including recessed pit dimensions, slopes of driveways and heights
of loading docks, by field measurements before fabrication.
WARRANTY
Manufacturer's Special Warranty: Manufacturer agrees to repair or replace dock levelers that
fail in materials or workmanship within specified warranty period.
1.
Failures include, but are not limited to, the following:
a.
b.
c.
d.
2.
3.
4.
Aidea, Inc.
Structural failures including cracked or broken structural support members,
load-bearing welds, and front and rear hinges.
Faulty operation of operators, control system, or hardware.
Deck plate failures including cracked plate or permanent deformation in
excess of 1/4 inch (6 mm) between deck supports.
Hydraulic system failures including failure of hydraulic seals and cylinders.
Warranty Period for Structural Assembly: Ten (10) years from date of Substantial
Completion.
Warranty Period for Hydraulic System: Five (5) years from date of Substantial
Completion.
Warranty shall be for unlimited usage of leveler for the specified rated capacity over
the term of the warranty.
11 13 19 Stationary Loading Equipment - 2/5
PROJECT LUNA DATA CENTER
PART 2 PRODUCTS
2.01
STATIONARY LOADING DOCK LIFTS
A.
Stationary Loading Dock Lifts: Stationary, scissors-type, single-leg, hydraulic dock lift of
capacity, size, and construction indicated; complete with controls, safety devices, and
accessories required.
B.
Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70,
by a qualified testing agency, and marked for intended location and application.
C.
Standard: MH 29.1.
D.
Rated Capacity: Lifting capacity of not less than 4000kg (4T)
E.
Platform: Nonskid, safety-tread, heavy, checkered steel deck plate.
1.
2.
F.
Function: Dock lifts shall compensate for differences in height between truck bed and loading
platform.
1.
2.
G.
Platform Size: 2000mm x 2000mm. As indicated on Drawings.
Removable Guard Rails: Provide hot-dip galvanized-steel guard rails on two sides of
platform with a single, removable chain across each end. Provide guard rails not less
than 39 inches (991 mm) high with midrail and 4-inch- (102-mm-) high, kick plate at
bottom. Mount rail sockets flush with platform surface.
Vertical Travel: Maximum of 48 (1219) inches (mm) from a lowered height of 9
(230mm) inches (mm) for a total raised height of 57 (1447.80) inches (mm).
Travel Speed: Nominal raising speed of 12 (0.06) fpm (m/s).
Hydraulic Operating System: Self-contained, electric, hydraulic power unit for raising and
lowering lift; of size, type, and operation needed for capacity of lift indicated; controlled from a
remotely located push-button station.
1.
Power Unit: Consisting of continuous-duty motor, high-pressure gear pump, valve
manifold, oil-line filters, and oil reservoir.
a.
b.
2.
Cylinders: Equip lift with not less than two heavy-duty, high-pressure, hydraulic, ramtype cylinders. Rams shall be manufacturer's standard, either direct-displacementplunger or rod-and-piston type with positive internal stops. Cylinder rods shall be
chrome plated and polished.
a.
3.
Rate of Descent Protection: Pressure-compensated flow control or hydraulic
velocity fuse to limit down speed for each cylinder.
Remote-Control Station: Multibutton control station of the constant-pressure type with
UP and DOWN push buttons. Controller shall consist of magnetic motor starter with
three-pole adjustable overloads and 24-V control transformer with 4-A, fused
secondary prewired to terminal strips and enclosed in NEMA ICS 6, Type 12 box.
a.
Aidea, Inc.
Equip manifold with relief valve, check valve, pressure-compensated flowcontrol valve, and solenoid valve and with provisions for lowering lift manually
if power fails.
Equip reservoir, valve manifold, and pressure line with oil-line filters.
Upper-Travel-Limit Switch: Equip
adjustable, upper-travel-limit switch.
unit
with
manufacturer's
standard,
11 13 19 Stationary Loading Equipment - 3/5
PROJECT LUNA DATA CENTER
H.
Construction: Fabricate lift from structural-steel shapes rigidly welded and reinforced for
maximum strength, safety, and stability. Design assembly to withstand deformation during
both operating and stored phases of service. Provide mounting brackets and removable lifting
eyes for ease of installation.
1.
2.
3.
4.
5.
I.
Materials:
1.
2.
3.
J.
Scissors Mechanism: Fabricate leg members from heavy,hot-dip galvanized steelformed tube or plate members to provide maximum strength and rigidity.
Scissors Configuration: Multiple width
Bearings: Pivot points with permanently lubricated anti-friction bushings or sealed ball
-bearings for minimum maintenance.
Maintenance Leg: Removable, safety maintenance leg or hinged, safety maintenance
bars.
Mounting: Pit
Steel Plates, Shapes, and Bars: ASTM A36/A36M.
Rolled-Steel Floor Plate: ASTM A786/A786M, rolled from steel plate complying with
ASTM A572/A572M, Grade 55 (380).
Steel Tubing: ASTM A500/A500M, cold formed.
Dock Lift Finish: Manufacturer's standard baked-on factory finish unless otherwise indicated.
PART 3 EXECUTION
3.01
EXAMINATION
A.
Examine areas and conditions, with Installer present, for compliance with requirements for
installation tolerances and other conditions affecting performance of the Work.
B.
Examine roughing-in for electrical systems for loading dock equipment to verify actual
locations of connections before equipment installation.
C.
Examine walls and floors of pits for suitable conditions where recessed stationary loading
dock equipment is to be installed. Pits shall be plumb and square and properly sloped for
drainage from back to front of loading dock.
D.
Proceed with installation only after unsatisfactory conditions have been corrected.
3.02
PREPARATION
A.
Set curb angles in concrete edges of dock-leveler recessed pits with tops flush with loading
platform. Fit exposed connections together to form hairline joints.
B.
Set curb angles in concrete edges of stationary loading dock recessed pits with tops flush
with loading dock. Fit exposed connections together to form hairline joints.
C.
Clean recessed pits of debris.
3.03
INSTALLATION, GENERAL
A.
Install loading dock equipment as required for a complete installation.
1.
3.04
A.
Rough-in electrical connections.
INSTALLATION OF STATIONARY LOADING DOCK LIFTS
Attach dock lifts securely to floor of recessed pit.
Aidea, Inc.
11 13 19 Stationary Loading Equipment - 4/5
PROJECT LUNA DATA CENTER
3.05
ADJUSTING
A.
Adjust loading dock equipment to function smoothly and safely, and lubricate as
recommended by manufacturer.
B.
Test dock levelers for vertical travel and adjust to maintain operating range indicated.
C.
After completing installation of exposed, factory-finished loading dock equipment, inspect
exposed finishes and repair damaged finishes.
3.06
A.
3.07
A.
MAINTENANCE SERVICE
Beginning at Substantial Completion, maintenance service shall include 12 months full
maintenance by skilled employees of loading dock equipment Installer. Include monthly
preventive maintenance, repair or replacement of worn or defective components, lubrication,
cleaning, and adjusting as required for proper loading dock equipment operation at rated
speed and capacity. Parts and supplies shall be manufacturer's authorized replacement parts
and supplies.
DEMONSTRATION
Train Owner's maintenance personnel to adjust, operate, and maintain loading dock
equipment.
END OF SECTION 11 13 19
Aidea, Inc.
11 13 19 Stationary Loading Equipment - 5/5