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Southworth Products Corp. Stationary Loading Dock Lifts
 
         
SECTION 11 13 19
 
         
STATIONARY LOADING DOCK LIFTS
 
         
 
         
Copyright 2020 - 2020 ARCAT, Inc. - All rights reserved

          ** NOTE TO SPECIFIER ** Southworth Products Corp.; stationary loading dock lifts.
This section is based on the products of Southworth Products Corp., which is located at:
11 Gray Rd.
Falmouth, ME 04105
Toll Free Tel: 800-743-1000
Tel: 207-317-4255
Fax: 207-797-4734
Email: request info
Web: http://www.southworthproducts.com
[ Click Here ] for additional information.
Southworth is a supplier of innovative products designed to improve worker productivity and safety through the practical application of ergonomics in work positioning applications; including scissor lift tables (hydraulic, pneumatic, mechanical), portable lift tables, low height lift tables, container/basket tilters, pallet loaders, turntables, roll and coil cars.
Southworth Products Corp is the world's largest manufacturer of ergonomic materials handling equipment for vertical lifting and work positioning, designed to improve worker productivity while reducing the potential for worker injuries. Whether you're lifting and positioning work, handling pallets, working with parts in containers or transporting loads, Southworth has a lift table, pallet positioner, pallet lifter, container tilter, portable lift table or stacker to make the job faster, safer, and, easier.
 
          PART 1GENERAL
 
          1.1SECTION INCLUDES
          ** NOTE TO SPECIFIER ** Delete items below not required for project.
 
          A.Loading dock lifts. (M-Series).
 
          B.Heavy duty loading dock lifts. (H-Series)
 
          C.Surface mounted loading dock lifts. (SM-Series)
 
          1.2RELATED SECTIONS
          ** NOTE TO SPECIFIER ** Delete any sections below not relevant to this project; add others as required.
 
          A.Section 03 10 00 - Concrete Forming and Accessories.
 
          B.Section 03 30 00 - Cast-in-Place Concrete.
 
          C.Section 05 50 00 - Metal Fabrications.
 
          D.Division 16 - Electrical; connections to dock equipment.
 
          1.3REFERENCES
          ** NOTE TO SPECIFIER ** Delete references from the list below that are not actually required by the text of the edited section.
 
          A.American National Standards Institute (ANSI): ANSI MH29.1 - Safety Requirements For Industrial Scissors Lifts.
 
          B.National Electrical Manufacturers Association (NEMA).
 
          1.4SUBMITTALS
 
          A.Submit under provisions of Section 01 30 00 - Administrative Requirements.
 
          B.Product Data:
          1.Manufacturer's data sheets on each product to be used.
          2.Preparation instructions and recommendations.
          3.Storage and handling requirements and recommendations.
          4.Typical installation methods.
 
          C.Shop Drawings: Submit drawings indicating fabrication and assembly of dock equipment including plans, elevations, and details. Include relationship with adjacent construction.
 
          D.Maintenance Data: Submit manufacturer's recommended preventative maintenance and service information.
 
          E.Operating Manuals: Supply operation, installation and maintenance manuals pertaining to the equipment.
 
          1.5QUALITY ASSURANCE
 
          A.Manufacturer Qualifications: Company specializing in manufacturing products specified in this section with a minimum five years documented experience.
 
          B.Installer Qualifications: Company specializing in performing Work of this section with minimum two years documented experience with projects of similar scope and complexity.
 
          C.Source Limitations: Provide each type of product from a single manufacturing source to ensure uniformity.
          ** NOTE TO SPECIFIER ** Include mock-up if the project size or quality warrant the expense. The following is one example of how a mock-up on might be specified. When deciding on the extent of the mock-up, consider all the major different types of work on the project.
 
          D.Mock-Up: Construct a mock-up with actual materials in sufficient time for Architect's review and to not delay construction progress. Locate mock-up as acceptable to Architect and provide temporary foundations and support.
          1.Intent of mock-up is to demonstrate quality of workmanship and visual appearance.
          2.If mock-up is not acceptable, rebuild mock-up until satisfactory results are achieved.
          3.Retain mock-up during construction as a standard for comparison with completed work.
          4.Do not alter or remove mock-up until work is completed or removal is authorized.
 
          1.6PRE-INSTALLATION CONFERENCE
 
          A.Convene a conference approximately two weeks before scheduled commencement of the Work. Attendees shall include Architect, Contractor and trades involved. Agenda shall include schedule, responsibilities, critical path items and approvals.
 
          1.7DELIVERY, STORAGE, AND HANDLING
 
          A.Store and handle in strict compliance with manufacturer's written instructions and recommendations.
 
          B.Protect from damage due to weather, excessive temperature, and construction operations.
 
          1.8PROJECT CONDITIONS
 
          A.Maintain environmental conditions (temperature, humidity, and ventilation) within limits recommended by manufacturer for optimum results. Do not install products under environmental conditions outside manufacturer's recommended limits.
 
          1.9WARRANTY
 
          A.Manufacturer's Warranty: Provide manufacturer's standard form in which the manufacturer agrees to repair or replace lift components that fail in materials or workmanship within specified warranty period.
          1.Warranty for Structural Assembly: 10 years from date of shipment from the manufacturer.
          2.Warranty for Parts and Labor: 2 years from date of shipment from the manufacturer.
 
          PART 2PRODUCTS
 
          2.1MANUFACTURERS
 
          A.Acceptable Manufacturer: Southworth Products Corp., which is located at: 11 Gray Rd.; Falmouth, ME 04105; Toll Free Tel: 800-743-1000; Tel: 207-317-4255; Fax: 207-797-4734; Email: request info; Web: http://www.southworthproducts.com
          ** NOTE TO SPECIFIER ** Delete one of the following two paragraphs; coordinate with requirements of Division 1 section on product options and substitutions.
 
          B.Substitutions: Not permitted.
 
          C.Requests for substitutions will be considered in accordance with provisions of Section 01 60 00 - Product Requirements.
          ** NOTE TO SPECIFIER ** M-Series loading dock lift models are available with capacities of 5,000, 6,000 and 8,000 pounds. Platform sizes range from 6 ft x 8 ft to 8 ft x 10 ft. With vertical travel of 59 inches these hydraulic loading dock lifts can service any truck bed and/or dock height. M-Series Dock Lifts are designed and built for use with non-powered transport devices like two wheel dollies, hand carts or hand pallet trucks. Delete Article if M-Series loading dock lifts not required.
 
          2.2LOADING DOCK LIFTS (M-Series)
 
          A.Stationary Loading Dock Lifts:
          ** NOTE TO SPECIFIER ** Delete options for models and associated subparagraphs not required.
          1.Model: DDL5-59M Dura-Dock Loading Dock Lift as manufactured by Southworth Products Corp.
          a.Capacity: 5000 lb (2268 kg).
          b.Lowered Height: 8 inches (203 mm).
          c.Vertical Travel: 59 inches (1499 mm).
          d.Raised Height: 67 inches (1702 mm).
          2.Model: DDL6-59M Dura-Dock Loading Dock Lift as manufactured by Southworth Products Corp.
          a.Capacity: 6000 lb (2722 kg).
          b.Lowered Height: 8 inches (203 mm).
          c.Vertical Travel: 59 inches (1499 mm).
          d.Raised Height: 67 inches (1702 mm).
          3.Model: DDL8-59M Dura-Dock Loading Dock Lift as manufactured by Southworth Products Corp.
          a.Capacity: 8000 lb (3629 kg).
          b.Lowered Height: 10 inches (254 mm).
          c.Vertical Travel: 59 inches (1499 mm).
          d.Raised Height: 69 inches (1753 mm).
          4.Model: As indicated on Drawings.
          5.Standards Compliance: ANSI MH29.1.
          6.Electric / Hydraulic Features:
          a.Pre-wired power unit and control panel.
          b.Oversized, low pressure hydraulic cylinders.
          c.Hydraulic hoses with burst strength 4x greater than operating pressure.
          d.Flow control valve with adjustable lowering time.
          e.Excess flow protection for controlled descent of lift if hydraulic line ruptures.
          f.Cylinders: Single acting cylinders having honed seamless tubing, chrome-plated cylinder rods, a metal wiper/scraper in rod bearing to exclude harmful contaminants. Vent side of cylinders to be piped back to power unit.
          g.Hydraulic Oil: Biodegradable hydraulic oil, or equivalent; turbine quality oil with rust and oxidation inhibitors plus anti-wear properties.
          h.Bearings at Pivot Points: Hardened steel pins in self-lubricated bearings.
          ** NOTE TO SPECIFIER ** Delete options for hose break valves not required.
          i.Hydraulic Hose Break Valves: Standard. excess flow protectors.
          j.Hydraulic Hose Break Valves: Velocity fuses.
          k.Hydraulic Hose Break Valves: As indicated on Drawings.
          l.Control Voltage: 24 V.
          ** NOTE TO SPECIFIER ** Delete options for controls not required.
          m.Controls: Standard, constant pressure "UP/DOWN" weatherproof push button control pendant, NEMA 3R, on 20 ft (6096 mm) coil cord allowing operator to control lift while on machine.
          n.Controls: Constant pressure "UP/DOWN" weatherproof push button control pendant, NEMA 4, on 20 ft (6096 mm) coil cord allowing operator to control lift while on machine.
          o.Controls: NEMA 1 Wall mounted pushbutton control; no cord, mounted and prewired to hydraulic power unit.
          p.Controls: NEMA 1 Up/Down key selector switch.
          q.Controls: NEMA 4 Up/Down Handheld Pushbutton with key lockout.
          r.Controls: NEMA 4 Quick Disc for control (plug and receptacle in box).
          ** NOTE TO SPECIFIER ** The following 4 subparagraphs describe optional features. Delete if not required.
          s.Up Limitswitch: Mounted and wired.
          t.Warning Bell: 2 seconds; mounted and prewired to hydraulic power unit.
          u.Flashing Light: Required.
          v.Manual Hydraulic Down Valve: Required.
          7.Features: General.
          a.At Cylinders: Incorporate excess flow protectors to prevent descent from loss of hydraulic pressure.
          b.Power Unit: Adjustable pressure compensated flow control to maintain uniform lowering speed.
          c.Bevel toe guard platform.
          d.Diamond tread deck.
          e.Diamond tread hinged throw-over plate with lifting chain.
          f.Maintenance strut supports lift for servicing.
          g.Removable lifting eyes to facilitate installation.
          h.Corrosion resistant galvanized base and legs.
          i.Manufacturer will pretest lift to 10 percent over full rated capacity.
          ** NOTE TO SPECIFIER ** Standard platform size can be increase to maximum of 96 x 120 inches (2438 x 3048 mm). Fill in blank below with custom size or delete line. Delete options for platform size not required.
          8.Platform Size: Standard, 72 x 96 inches (1829 x 2438 mm).
          9.Platform Size: Custom, _______________.
          10.Platform Size: Custom, 96 x 120 inches (2438 x 3048 mm).
          11.Platform Size: As indicated on Drawings.
          ** NOTE TO SPECIFIER ** Delete options for electrical power available not required.
          12.Electrical Power Available: 208 V / 3 phase / 60 Hz.
          13.Electrical Power Available: 230 V / single phase / 60 Hz.
          14.Electrical Power Available: 230 V / 3 phase / 60 Hz.
          15.Electrical Power Available: 460 V / 3 phase / 60 Hz.
          16.Electrical Power Available: As indicated on Drawings.
          ** NOTE TO SPECIFIER ** Confirm compatibility of power unit with electrical power available. Delete options for power units not required.
          17.Power Unit: 3.2 HP, 3 phase, 60 Hz.
          18.Power Unit: 5 HP, single phase, 60 Hz.
          19.Power Unit: As indicated on Drawings.
          ** NOTE TO SPECIFIER ** Delete options for power unit location not required.
          20.Power Unit Location: Inside building.
          21.Power Unit Location: Outside building.
          22.Power Unit Location: As indicated on Drawings.
          ** NOTE TO SPECIFIER ** Delete options for mounting not required.
          23.Mounting: Top of grade.
          24.Mounting: Flush with grade.
          25.Mounting: In front of dock on pad.
          26.Mounting: Flush in face of dock.
          27.Mounting: As indicated on Drawings.
          ** NOTE TO SPECIFIER ** Load transfer configurations must be specified in advance in order to provide the appropriate safety railings (eg. Two long, Two short or One Long/One Short). Southworth Dock Lifts can be positioned with either the narrow or wide platform dimension adjacent to the loading area. The following chart shows the different load transfer configurations that are possible. Delete options for load transfer arrangements not required.
          28.Load Transfer Arrangements: Dock transfer configuration A.
          29.Load Transfer Arrangements: Dock transfer configuration B.
          30.Load Transfer Arrangements: Dock transfer configuration C.
          31.Load Transfer Arrangements: Dock transfer configuration D.
          32.Load Transfer Arrangements: Dock transfer configuration E.
          33.Load Transfer Arrangements: Dock transfer configuration F.
          34.Load Transfer Arrangements: As indicated on Drawings.
          ** NOTE TO SPECIFIER ** Delete options for hinged bridge plates not required.
          35.Hinged Bridge Plates: Standard, steel; each unit includes one steel bridge with lifting chain, 18 x 60 inches (457 x 1524 mm).
          36.Hinged Bridge Plates: Each unit includes two steel bridges with lifting chains, 18 x 60 inches (457 x 1524 mm).
          37.Hinged Bridge Plates: Aluminum; each unit includes one aluminum bridge with lifting chain, 18 x 60 inches (457 x 1524 mm).
          38.Hinged Bridge Plates: Aluminum, each unit includes two aluminum bridges with lifting chains, 18 x 60 inches (457 x 1524 mm).
          39.Hinged Bridge Plates: Split bridge plates.
          40.Hinged Bridge Plates: 180 degree bridge plates.
          41.Hinged Bridge Plates: As indicated on Drawings.
          ** NOTE TO SPECIFIER ** Delete options for handrails not required.
          42.Handrails: Standard, removable steel handrails with mid-rail, 4 inches (102 mm) side kick plate and safety chain.
          43.Handrails: Removable aluminum handrails with mid-rail, 4 inches (102 mm) side kick plate and safety chain.
          44.Handrails: As indicated on Drawings.
          ** NOTE TO SPECIFIER ** Delete options for approach ramps if not required.
          45.Approach Ramp: 60 inches wide x 72 inches long x 8 inches height (1524 mm 1829 x x 203 mm) with 1/4 inch (6 mm) diamond tread plate.
          ** NOTE TO SPECIFIER ** Delete options for night locks if not required.
          46.Night Locks: Mechanical wheel chock; 120 inches (3048 mm) minimum length required.
          ** NOTE TO SPECIFIER ** The following 7 subparagraphs describe optional features. Delete if not required.
          47.Bellow Skirting: Vinyl with pleats, 3 inches (76 mm).
          48.Roller Shade: Required.
          49.Additional Hydraulic Oil: Required.
          50.Additional Hydraulic Hose: 1/2 inch (13 mm) diameter.
          51.Additional Hydraulic Hose: 3/4 inch (19 mm) diameter.
          52.Power Unit Covers: Not NEMA rated.
          53.Oil Immersion Heater: For power unit.
 
          2.3HEAVY DUTY LOADING DOCK LIFTS (H-Series)
          ** NOTE TO SPECIFIER ** With capacities ranging from 10,000 to 20,000 pounds, these rugged loading dock lifts are ideal for heavy load applications. Built in hydraulic overload relief protects personnel and structures. Heavy-plate platforms with structural reinforcements minimize deflection while the wide base provides increased rigidity and stability. H-Series Loading Dock Lifts can be serviced with any type of load transport device including power driven forklifts. Delete if H-Series loading dock lifts not required.
 
          A.Heavy Duty, Stationary Loading Dock Lifts:
          ** NOTE TO SPECIFIER ** Delete options for models and associated subparagraphs not required.
          1.Model: DL10-59H Dura-Dock Heavy Duty Loading Dock Lift as manufactured by Southworth Products Corp.
          a.Capacity: 10000 lb (4536 kg).
          b.Lowered Height: 16 inches (406 mm).
          c.Vertical Travel: 59 inches (1499 mm).
          d.Raised Height: 75 inches (1905 mm).
          2.Model: DL12-59H Dura-Dock Heavy Duty Loading Dock Lift as manufactured by Southworth Products Corp.
          a.Capacity: 12000 lb (5443 kg).
          b.Lowered Height: 16 inches (406 mm).
          c.Vertical Travel: 59 inches (1499 mm).
          d.Raised Height: 75 inches (1905 mm).
          3.Model: DL16-59H Dura-Dock Heavy Duty Loading Dock Lift as manufactured by Southworth Products Corp.
          a.Capacity: 16000 lb (7257 kg).
          b.Lowered Height: 16 inches (406 mm).
          c.Vertical Travel: 59 inches (1499 mm).
          d.Raised Height: 75 inches (1905 mm).
          4.Model: DL20-59H Dura-Dock Heavy Duty Loading Dock Lift as manufactured by Southworth Products Corp.
          a.Capacity: 20000 lb (9072 kg).
          b.Lowered Height: 22 inches (559 mm).
          c.Vertical Travel: 59 inches (1499 mm).
          d.Raised Height: 81 inches (2057 mm).
          5.Model: As indicated on Drawings.
          6.Standards Compliance: ANSI MH29.1.
          7.Electric / Hydraulic Features:
          a.Pre-wired power unit and control panel.
          b.Oversized, low pressure hydraulic cylinders.
          c.Hydraulic hoses with burst strength 4x greater than operating pressure.
          d.Flow control valve with adjustable lowering time.
          e.Excess flow protection for controlled descent of lift if hydraulic line ruptures.
          f.Cylinders: Single acting cylinders having honed seamless tubing, chrome-plated cylinder rods, a metal wiper/scraper in rod bearing to exclude harmful contaminants. Vent side of cylinders to be piped back to power unit.
          g.Hydraulic Oil: Biodegradable hydraulic oil, or equivalent; turbine quality oil with rust and oxidation inhibitors plus anti-wear properties.
          h.Bearings at Pivot Points: Hardened steel pins in self-lubricated bearings.
          ** NOTE TO SPECIFIER ** Delete options for hose break valves not required.
          i.Hydraulic Hose Break Valves: Standard. excess flow protectors.
          j.Hydraulic Hose Break Valves: Velocity fuses.
          k.Hydraulic Hose Break Valves: As indicated on Drawings.
          l.Control Voltage: 24 V.
          ** NOTE TO SPECIFIER ** Delete options for controls not required.
          m.Controls: Standard, constant pressure "UP/DOWN" weatherproof push button control pendant, NEMA 3R, on 20 ft (6096 mm) coil cord allowing operator to control lift while on machine.
          n.Controls: Constant pressure "UP/DOWN" weatherproof push button control pendant, NEMA 4, on 20 ft (6096 mm) coil cord allowing operator to control lift while on machine.
          o.Controls: NEMA 1 Wall mounted pushbutton control; no cord, mounted and prewired to hydraulic power unit.
          p.Controls: NEMA 1 Up/Down key selector switch.
          q.Controls: NEMA 4 Up/Down Handheld Pushbutton with key lockout.
          r.Controls: NEMA 4 Quick Disc for control (plug and receptacle in box).
          ** NOTE TO SPECIFIER ** The following 4 subparagraphs describe optional features. Delete if not required.
          s.Up Limitswitch: Mounted and wired.
          t.Warning Bell: 2 seconds; mounted and prewired to hydraulic power unit.
          u.Flashing Light: Required.
          v.Manual Hydraulic Down Valve: Required.
          8.Features: General.
          a.At Cylinders: Incorporate excess flow protectors to prevent descent from loss of hydraulic pressure.
          b.Power Unit: Adjustable pressure compensated flow control to maintain uniform lowering speed.
          c.Bevel toe guard platform.
          d.Diamond tread deck.
          e.Diamond tread hinged throw-over plate with lifting chain.
          f.Maintenance strut supports lift for servicing.
          g.Removable lifting eyes to facilitate installation.
          h.Corrosion resistant galvanized base and legs.
          i.Manufacturer will pretest lift to 10 percent over full rated capacity.
          ** NOTE TO SPECIFIER ** Standard platform size can be increase to maximum ofx 144 inches (2438 x 3658 mm). Fill in blank below with custom size or delete line. Delete options for platform size not required.
          9.Platform Size: Standard, 84 x 96 inches (2137 x 2438 mm).
          10.Platform Size: Custom, _______________.
          11.Platform Size: Custom, 96 x 144 inches (2438 x 3658 mm).
          12.Platform Size: As indicated on Drawings.
          ** NOTE TO SPECIFIER ** Delete options for electrical power available not required.
          13.Electrical Power Available: 208 V / 3 phase / 60 Hz.
          14.Electrical Power Available: 230 V / 3 phase / 60 Hz.
          15.Electrical Power Available: 460 V / 3 phase / 60 Hz.
          16.Electrical Power Available: As indicated on Drawings.
          17.Power Unit: 5 HP, 3 phase, 60 Hz.
          ** NOTE TO SPECIFIER ** Delete options for power unit location not required.
          18.Power Unit Location: Inside building.
          19.Power Unit Location: Outside building.
          20.Power Unit Location: As indicated on Drawings.
          ** NOTE TO SPECIFIER ** Delete options for mounting not required.
          21.Mounting: Top of grade.
          22.Mounting: Flush with grade.
          23.Mounting: In front of dock on pad.
          24.Mounting: Flush in face of dock.
          25.Mounting: As indicated on Drawings.
          ** NOTE TO SPECIFIER ** Load transfer configurations must be specified in advance in order to provide the appropriate safety railings (eg. Two long, Two short or One Long/One Short). Southworth Dock Lifts can be positioned with either the narrow or wide platform dimension adjacent to the loading area. The following chart shows the different load transfer configurations that are possible. Delete options for load transfer arrangements not required.
          26.Load Transfer Arrangements: Dock transfer configuration A.
          27.Load Transfer Arrangements: Dock transfer configuration B.
          28.Load Transfer Arrangements: Dock transfer configuration C.
          29.Load Transfer Arrangements: Dock transfer configuration D.
          30.Load Transfer Arrangements: Dock transfer configuration E.
          31.Load Transfer Arrangements: Dock transfer configuration F.
          32.Load Transfer Arrangements: As indicated on Drawings.
          ** NOTE TO SPECIFIER ** Delete options for hinged bridge plates not required.
          33.Hinged Bridge Plates: Standard, steel; each unit includes one steel bridge with lifting chain, 18 x 60 inches (457 x 1524 mm).
          34.Hinged Bridge Plates: Each unit includes two steel bridges with lifting chains, 18 x 60 inches (457 x 1524 mm).
          35.Hinged Bridge Plates: Aluminum; each unit includes one aluminum bridge with lifting chain, 18 x 60 inches (457 x 1524 mm).
          36.Hinged Bridge Plates: Aluminum, each unit includes two aluminum bridges with lifting chains, 18 x 60 inches (457 x 1524 mm).
          37.Hinged Bridge Plates: Split bridge plates.
          38.Hinged Bridge Plates: 180 degree bridge plates.
          39.Hinged Bridge Plates: As indicated on Drawings.
          ** NOTE TO SPECIFIER ** Delete options for handrails not required.
          40.Handrails: Standard, removable steel handrails with mid-rail, 4 inches (102 mm) side kick plate and safety chain.
          41.Handrails: Removable aluminum handrails with mid-rail, 4 inches (102 mm) side kick plate and safety chain.
          42.Handrails: As indicated on Drawings.
          ** NOTE TO SPECIFIER ** Delete options for approach ramps if not required.
          43.Approach Ramp: 60 inches wide x 72 inches long x 8 inches height (1524 mm 1829 x x 203 mm) with 1/4 inch (6 mm) diamond tread plate.
          ** NOTE TO SPECIFIER ** Delete options for night locks if not required.
          44.Night Locks: Mechanical wheel chock; 120 inches (3048 mm) minimum length required.
          ** NOTE TO SPECIFIER ** The following 7 subparagraphs describe optional features. Delete if not required.
          45.Bellow Skirting: Vinyl with pleats, 3 inches (76 mm).
          46.Roller Shade: Required.
          47.Additional Hydraulic Oil: Required.
          48.Additional Hydraulic Hose: 1/2 inch (13 mm) diameter.
          49.Additional Hydraulic Hose: 3/4 inch (19 mm) diameter.
          50.Power Unit Covers: Not NEMA rated.
          51.Oil Immersion Heater: For power unit.
          ** NOTE TO SPECIFIER ** For use with non-powered transport devices like two wheel dollies, hand carts or hand pallet trucks. Surface Mount (SM Series) Loading Dock Lift Models are available with capacities of 5,000 and 6,000 pounds with a standard platform size of 72 x 96 inches and raised height of 58 inches. Use them anywhere that a pit or permanent installation is prohibited or impractical. They are ideal for leased or temporary buildings because they can be easily relocated when the building is no longer used. Delete Article if SM-Series loading dock lifts not required.
 
          2.4SURFACE MOUNT LOADING DOCK LIFTS (SM-Series)
 
          A.Surface Mount Loading Dock Lifts:
          ** NOTE TO SPECIFIER ** Delete options for model and associated subparagraphs not required.
          1.Model: SMDDL5-53 Dura-Dock Surface Mount Loading Dock Lift as manufactured by Southworth Products Corp.
          a.Capacity: 5000 lb (2268 kg).
          b.Lowered Height: 5 inches (127 mm).
          c.Vertical Travel: 53 inches (1346 mm).
          d.Raised Height: 58 inches (1473 mm).
          2.Model: SMDDL6-53 Dura-Dock Surface Mount Loading Dock Lift as manufactured by Southworth Products Corp.
          a.Capacity: 6000 lb (2722 kg).
          b.Lowered Height: 5 inches (127 mm).
          c.Vertical Travel: 53 inches (1346 mm).
          d.Raised Height: 58 inches (1473 mm).
          3.Model: As indicated on Drawings.
          4.Standards Compliance: ANSI MH29.1.
          5.Electric / Hydraulic Features:
          a.Pre-wired power unit and control panel.
          b.Oversized, low pressure hydraulic cylinders.
          c.Hydraulic hoses with burst strength 4x greater than operating pressure.
          d.Flow control valve with adjustable lowering time.
          e.Excess flow protection for controlled descent of lift if hydraulic line ruptures.
          f.Cylinders: Single acting cylinders having honed seamless tubing, chrome-plated cylinder rods, a metal wiper/scraper in rod bearing to exclude harmful contaminants. Vent side of cylinders to be piped back to power unit.
          g.Hydraulic Oil: Biodegradable hydraulic oil, or equivalent; turbine quality oil with rust and oxidation inhibitors plus anti-wear properties.
          h.Bearings at Pivot Points: Hardened steel pins in self-lubricated bearings.
          ** NOTE TO SPECIFIER ** Delete options for hose break valves not required.
          i.Hydraulic Hose Break Valves: Standard. excess flow protectors.
          j.Hydraulic Hose Break Valves: Velocity fuses.
          k.Hydraulic Hose Break Valves: As indicated on Drawings.
          l.Control Voltage: 24 V.
          ** NOTE TO SPECIFIER ** Delete options for controls not required.
          m.Controls: Standard, constant pressure "UP/DOWN" weatherproof push button control pendant, NEMA 3R, on 20 ft (6096 mm) coil cord allowing operator to control lift while on machine.
          n.Controls: Constant pressure "UP/DOWN" weatherproof push button control pendant, NEMA 4, on 20 ft (6096 mm) coil cord allowing operator to control lift while on machine.
          o.Controls: NEMA 1 Wall mounted pushbutton control; no cord, mounted and prewired to hydraulic power unit.
          p.Controls: NEMA 1 Up/Down key selector switch.
          q.Controls: NEMA 4 Up/Down Handheld Pushbutton with key lockout.
          r.Controls: NEMA 4 Quick Disc for control (plug and receptacle in box).
          ** NOTE TO SPECIFIER ** The following 4 subparagraphs describe optional features. Delete if not required.
          s.Up Limitswitch: Mounted and wired.
          t.Warning Bell: 2 seconds; mounted and prewired to hydraulic power unit.
          u.Flashing Light: Required.
          v.Manual Hydraulic Down Valve: Required.
          6.Features: General.
          a.At Cylinders: Incorporate excess flow protectors to prevent descent from loss of hydraulic pressure.
          b.Power Unit: Adjustable pressure compensated flow control to maintain uniform lowering speed.
          c.Bevel toe guard platform.
          d.Diamond tread deck.
          e.Diamond tread hinged throw-over plate with lifting chain.
          f.Maintenance strut supports lift for servicing.
          g.Removable lifting eyes to facilitate installation.
          h.Corrosion resistant galvanized base and legs.
          i.Manufacturer will pretest lift to 10 percent over full rated capacity.
          7.Platform Size: Standard, 72 x 96 inches (1829 x 2438 mm).
          ** NOTE TO SPECIFIER ** Delete options for electrical power available not required.
          8.Electrical Power Available: 208 V / 3 phase / 60 Hz.
          9.Electrical Power Available: 230 V / 3 phase / 60 Hz.
          10.Electrical Power Available: 460 V / 3 phase / 60 Hz.
          11.Electrical Power Available: As indicated on Drawings.
          12.Power Unit: 3.2 HP, 3 phase, 60 Hz.
          ** NOTE TO SPECIFIER ** Delete options for power unit location not required.
          13.Power Unit Location: Inside building.
          14.Power Unit Location: Outside building.
          15.Power Unit Location: As indicated on Drawings.
          ** NOTE TO SPECIFIER ** Delete options for mounting not required.
          16.Mounting: Top of grade.
          17.Mounting: Flush with grade.
          18.Mounting: In front of dock on pad.
          19.Mounting: Flush in face of dock.
          20.Mounting: As indicated on Drawings.
          ** NOTE TO SPECIFIER ** Load transfer configurations must be specified in advance in order to provide the appropriate safety railings (eg. Two long, Two short or One Long/One Short). Southworth Dock Lifts can be positioned with either the narrow or wide platform dimension adjacent to the loading area. The following chart shows the different load transfer configurations that are possible. Delete options for load transfer arrangements not required.
          21.Load Transfer Arrangements: Dock transfer configuration A.
          22.Load Transfer Arrangements: Dock transfer configuration B.
          23.Load Transfer Arrangements: Dock transfer configuration C.
          24.Load Transfer Arrangements: Dock transfer configuration D.
          25.Load Transfer Arrangements: Dock transfer configuration E.
          26.Load Transfer Arrangements: Dock transfer configuration F.
          27.Load Transfer Arrangements: As indicated on Drawings.
          ** NOTE TO SPECIFIER ** Delete options for hinged bridge plates not required.
          28.Hinged Bridge Plates: Standard, steel; each unit includes one steel bridge with lifting chain, 18 x 60 inches (457 x 1524 mm).
          29.Hinged Bridge Plates: Each unit includes two steel bridges with lifting chains, 18 x 60 inches (457 x 1524 mm).
          30.Hinged Bridge Plates: Aluminum; each unit includes one aluminum bridge with lifting chain, 18 x 60 inches (457 x 1524 mm).
          31.Hinged Bridge Plates: Aluminum, each unit includes two aluminum bridges with lifting chains, 18 x 60 inches (457 x 1524 mm).
          32.Hinged Bridge Plates: Split bridge plates.
          33.Hinged Bridge Plates: 180 degree bridge plates.
          34.Hinged Bridge Plates: As indicated on Drawings.
          ** NOTE TO SPECIFIER ** Delete options for handrails not required.
          35.Handrails: Standard, removable steel handrails with mid-rail, 4 inches (102 mm) side kick plate and safety chain.
          36.Handrails: Removable aluminum handrails with mid-rail, 4 inches (102 mm) side kick plate and safety chain.
          37.Handrails: As indicated on Drawings.
          ** NOTE TO SPECIFIER ** Delete options for approach ramps if not required.
          38.Approach Ramp: 60 inches wide x 72 inches long x 8 inches height (1524 mm 1829 x x 203 mm) with 1/4 inch (6 mm) diamond tread plate.
          ** NOTE TO SPECIFIER ** Delete options for night locks if not required.
          39.Night Locks: Mechanical wheel chock; 120 inches (3048 mm) minimum length required.
          ** NOTE TO SPECIFIER ** The following 7 subparagraphs describe optional features. Delete if not required.
          40.Bellow Skirting: Vinyl with pleats, 3 inches (76 mm).
          41.Roller Shade: Required.
          42.Additional Hydraulic Oil: Required.
          43.Additional Hydraulic Hose: 1/2 inch (13 mm) diameter.
          44.Additional Hydraulic Hose: 3/4 inch (19 mm) diameter.
          45.Power Unit Covers: Not NEMA rated.
          46.Oil Immersion Heater: For power unit.
 
          PART 3EXECUTION
 
          3.1EXAMINATION AND PREPARATION
 
          A.Prepare substrates using the methods recommended by the manufacturer for achieving best result for the substrates under project conditions.
 
          B.Do not proceed with installation until substrates have been prepared using the methods recommended by the manufacturer and deviations from manufacturer's recommended tolerances are corrected. Commencement of installation constitutes acceptance of conditions.
 
          C.If preparation is the responsibility of another installer, notify Architect in writing of deviations from manufacturer's recommended installation tolerances and conditions.
 
          3.2INSTALLATION
 
          A.Install in accordance with manufacturer's instructions approved submittals and in proper relationship with adjacent construction.
          1.Anchor dock lifts to the pit per manufacturer's instructions
 
          3.3FIELD QUALITY CONTROL
 
          A.Field Inspection: Coordinate field inspection in accordance with appropriate sections in Division 01.
          ** NOTE TO SPECIFIER ** Include if manufacturer provides field quality control with onsite personnel for instruction or supervision of product installation, application, erection or construction. Delete if not required.
 
          B.Manufacturer's Services: Coordinate manufacturer's services in accordance with appropriate sections in Division 01.
 
          3.4CLEANING AND PROTECTION
 
          A.Clean products in accordance with the manufacturers recommendations.
 
          B.Touch-up, repair or replace damaged products before Substantial Completion.
 
         
END OF SECTION