Amendment_0005_Continuation_sheet.pdf

AMENDMENT 0005

KC-46A TWO-BAY DEPOT MAINTENANCE HANGAR

Tinker AFB, Oklahoma

W912BV-16-R-0001

The solicitation documents are revised as follows:

1. The revised/new sections/appendices listed below are hereby added to or revised and made a part of the solicitation. Revised or added/deleted information can be located in the specifications by searching for an asterisk and amendment number (i.e., *AM1).

Revised sections/appendices:

2. SPECIFICATIONS

Deleted:

09 97 13.27 Deleted in its entirety

Added:

None

Revised:

TOC: 09 97 13.27 Exterior Coating of Steel Structures Deleted

Section 08 11 13 – Steel Doors and Frames: Add references that exterior Steel Doors and Frames are to comply with UFC 4-010-01 requirements, section 2-4.17.

1.1 Added:

ASTM F2247-11 Standard Test Method for Metal Doors Used in Blast Resistant Applications (Equivalent Static Load Method)

ASTM F2927 Standard Test Method for Door Systems Subject to Airblast Loadings

UFC 4-010-01 (2012) DoD Minimum Antiterrorism Standards for Buildings

2.1 Added:

All exterior steel doors shall comply with UFC 4-010-01, Section 2-4, 17. Exterior doors shall be tested in accordance with ASTM F2247 or ASTM F2927 or otherwise have their hazards mitigated in accordance with Standard 12, UFC 4-010-01

Section 11 13 10 – Dock Levelers: Delete paragraph 2.2.5.2.

Section 22 00 00 – Plumbing, General Purpose:

Paragraph 3.12 Tables, Table 1:

Item 6. Delete ABS piping from Service B (Aboveground Soil, Waste, Drain and Industrial Waste in Buildings) and Service D (Aboveground Vent).

Item 7. Delete PVC piping from Service B (Aboveground Soil, Waste, Drain and Industrial Waste in Buildings) and Service D (Aboveground Vent).

Service A – Underground Building Soil, Waste and Storm Drainage: add “and Industrial Waste (except as covered in Section 33 01 99 – Slip Lining of Industrial Waste Piping).”

Service B – Aboveground Soil, Waste, Drain in Buildings: add “and Industrial Waste (except as covered in Section 33 01 99 – Slip Lining of Industrial Waste Piping).”

Section 23 05 93 Testing, Adjusting, and Balancing for HVAC:

Paragraph 1.5.3 Sustainability:

Compressors: delete “lubricating oil test”; delete “thermodynamic” from performance test.

Fans: delete “lubricating oil test”.

Heat Exchangers (Condenser Air Cooled): delete “thermodynamic” from performance test.

Heat Exchangers (Condenser Water Cooled): delete “thermodynamic” from performance test.

Heat Exchange Cooling Tower: delete “lubricating oil test”.

Paragraph 3.4.3.1.a:

Delete “in accordance with AABC MN-4, procedure 3.5, “Coil Capacity Testing.”” from end of first paragraph.

Delete “in compliance with paragraph 3.5-5, “Procedures”, (in subparagraph d.) of AABC MN-4, Procedure 3.5, “Coil Capacity Testing.”” from end of second paragraph. Add “Record airflow, entering and leaving air temperatures, water flow, and entering and leaving water temperatures.” at end of second paragraph.

Delete “in compliance with AABC MN-4, Procedure 3.5, “Coil Capacity Testing,” paragraph 3.5.7, “Actual Capacity Vs. Design Capacity” (in subparagraph c.).” from end of third paragraph.

Section 32 11 23 23 05 93 Graded-Crushed Aggregate Base Course:

Paragraph 1.1.1.1:

Delete title “Area” and replace with title “Volume”

Delete “square” and replace with “cubic”.

Add sentence “The volume of material in place and accepted will be determined by the average job thickness obtained in accordance with paragraph THICKNESS and the dimensions shown.”

3. DRAWINGS

a. Revised Drawings: The following is a list of revised drawings. A copy of the revised drawing accompanies this amendment:

Drawing G003 – Revised drawing index

Drawing GC004 – Revised notes on Construction Haul Route Drawing GC005 – Revised notes on Construction Haul Route Drawing GC006 – Revised notes on Construction Haul Route Drawing GC010 – Revised notes on Construction Haul Route Drawing GC011 – Revised notes on Construction Haul Route Drawing GC012 – Revised notes on Construction Haul Route Drawing GC014 – Revised notes on Construction Haul Route Drawing GC015 – Revised notes on Construction Haul Route

Drawing CD100 – Revised notes on Construction Haul Route Drawing CD120 - Revised notes on Construction Haul Route Drawing CD121 - Revised notes on Construction Haul Route

Drawing AE551M, detail C1: revised fascia detail to match S401M, detail D1; revised fluid applied air barrier now on bent plate and turns down CMU wall.

Drawing AE553H, detail D1: revised fascia detail to match S431H, detail A3; revised fluid applied air barrier now on bent plate and turns down CMU wall.

Drawings AE401H, AE501H, AE511H, revised wall types.

Drawing M-305H, revise low pressure steam line size to AHU-204.

Drawing M-307H, revise low pressure steam line size to AHU-202.

Drawing M-308H, revise low pressure steam line size shown in drawing section.

Drawing M-403H, revise low pressure steam line sizes to AHUs 203, 204, 205 and 206.

Drawing M-404H, revise low pressure steam line sizes to AHUs 201, 202, 207 and 208.

Drawing S-803H, added additional description for material hoists

Drawing EP101M – added manual motor starters to EF-505 and EF-506.

Drawing EP721M – modify source of start for EF-501 through EF-503. Modified starter type for EF- 505 and EF-506.

b. Delete the following drawings from the project documents:

Drawing CS509 – Removed drawing from the project set.

Drawing CS510 – Removed drawing from the project set.

Drawing CS511 – Removed drawing from the project set.

Drawing CG120 – Removed drawing from the project set.

Drawing CG121 – Removed drawing from the project set.

Drawing CG122 – Removed drawing from the project set.

Drawing CG123 – Removed drawing from the project set.

Drawing CG124 – Removed drawing from the project set.

Drawing CG125 – Removed drawing from the project set.

Drawing CG126 – Removed drawing from the project set

c. Add the attached new drawings:

None

PROJECT TABLE OF CONTENTS Page 1

KC-46A Two-Bay Depot Maintenance Hangar

REVISED BY AMENDMENT 0005

PROJECT TABLE OF CONTENTS

DIVISION 00 - PROCUREMENT AND CONTRACTING REQUIREMENTS

00 11 00 STANDARD FORM 1442 AND PRICING (CLIN) SCHEDULE

00 21 00 INSTRUCTIONS TO OFFERORS

00 22 11 PROPOSAL SUBMISSION REQUIREMENTS, EVALUATION CRITERIA, BASIS

OF AWARD

00 45 00 REPRESENTATIONS AND CERTIFICATIONS

00 72 00 CONTRACT CLAUSES

00 73 00 SPECIAL CONTRACT REQUIREMENTS

00 73 46 WAGE DETERMINATION SCHEDULE

DIVISION 01 - GENERAL REQUIREMENTS

01 04 00 COORDINATION, FIELD ENGINEERING, AND MEETINGS

01 11 00 SUMMARY OF WORK

01 32 01.00 10 PROJECT SCHEDULE

01 33 00.10 10 DIGITAL SUBMITTAL PROCEDURES AND CORRESPONDENCE AND

CORRESPONDENCE

01 33 23.33 AVIATION FUEL SYSTEM SPECIFIC SUBMITTAL REQUIREMENTS

01 33 29 LEED(TM) DOCUMENTATION

01 35 26.00 10 GOVERNMENTAL SAFETY REQUIREMENTS

01 35 40.00 20 ENVIRONMENTAL MANAGEMENT

01 42 00 SOURCES FOR REFERENCE PUBLICATIONS

01 45 00.10 10 QUALITY CONTROL SYSTEM (QCS)

01 45 01.00 10 USACE QUALITY CONTROL

01 50 02.00 10 CONSTRUCTION FACILITIES AND TEMPORARY CONTROLS

01 57 20.00 10 ENVIRONMENTAL PROTECTION

01 58 00.00 10 BULLETIN BOARD, PROJECT SIGN, AND SAFETY SIGN

01 60 00.00 50 MATERIAL AND EQUIPMENT

01 62 35 RECYCLED/RECOVERED/BIOBASED MATERIALS

01 70 00.00 10 CONTRACT CLOSEOUT

01 74 19 CONSTRUCTION AND DEMOLITION WASTE MANAGEMENT

01 78 00 CLOSEOUT SUBMITTALS

01 78 23.33 OPERATION AND MAINTENANCE MANUALS FOR AVIATION FUEL SYSTEMS

01 78 23 OPERATION AND MAINTENANCE DATA

01 91 00.00 40 COMMISSIONING

DIVISION 03 - CONCRETE

03 11 13.00 10 STRUCTURAL CAST-IN-PLACE CONCRETE FORMING

03 15 00.00 10 CONCRETE ACCESSORIES

03 20 00.00 10 CONCRETE REINFORCING

03 30 00.00 10 CAST-IN-PLACE CONCRETE

03 35 00.00 10 CONCRETE FINISHING

03 39 00.00 10 CONCRETE CURING

03 53 14.00 20 LIGHT REFLECTIVE NONFERROUS METALLIC AGGREGATE FLOOR SYSTEM

DIVISION 04 - MASONRY

04 20 00 MASONRY

PROJECT TABLE OF CONTENTS Page 2

DIVISION 05 - METALS

05 05 23 WELDING, STRUCTURAL

05 12 00 STRUCTURAL STEEL

05 21 19 OPEN WEB STEEL JOIST FRAMING

05 30 00 STEEL DECKS

05 40 00 COLD-FORMED METAL FRAMING

05 50 13 MISCELLANEOUS METAL FABRICATIONS

05 51 00 METAL STAIRS

05 51 33 METAL LADDERS

05 52 00 METAL RAILINGS

DIVISION 06 - WOOD, PLASTICS, AND COMPOSITES

06 10 00 ROUGH CARPENTRY

06 41 16.00 10 LAMINATE CLAD ARCHITECTURAL CASEWORK

06 61 16 SOLID POLYMER (SOLID SURFACING) FABRICATIONS

DIVISION 07 - THERMAL AND MOISTURE PROTECTION

07 05 23 PRESSURE TESTING AN AIR BARRIER SYSTEM FOR AIR TIGHTNESS

07 21 13 BOARD AND BLOCK INSULATION

07 21 16 MINERAL FIBER BLANKET INSULATION

07 21 19 SPRAYED POLYURETHANE FOAM INSULATION

07 22 00 ROOF AND DECK INSULATION

07 27 10.00 10 BUILDING AIR BARRIER SYSTEM

07 27 26 FLUID-APPLIED MEMBRANE AIR BARRIER

07 42 13 METAL WALL PANELS

07 42 63 FABRICATED PANEL ASSEMBLIES

07 60 00 FLASHING AND SHEET METAL

07 61 14.00 20 STEEL STANDING SEAM ROOFING

07 72 01 ROOF ACCESSORIES

07 81 00 SPRAY-APPLIED FIREPROOFING

07 81 01 CEMENTITIOUS THERMAL BARRIER OVER FOAM

07 84 00 FIRESTOPPING

07 92 00 JOINT SEALANTS

07 95 00 EXPANSION CONTROL

DIVISION 08 - OPENINGS

08 11 13 STEEL DOORS AND FRAMES

08 33 13 METAL ROLLING COUNTER DOORS

08 34 16.10 STEEL SLIDING HANGAR DOORS

08 34 19.10 20 ROLLING SERVICE AND FIRE DOORS

08 41 13 ALUMINUM-FRAMED ENTRANCES AND STOREFRONTS

08 44 00 CURTAIN WALL AND GLAZED ASSEMBLIES

08 71 00 DOOR HARDWARE

08 81 00 GLAZING

08 91 00 METAL WALL LOUVERS

DIVISION 09 - FINISHES

09 06 90 COLOR SCHEDULE

09 22 00 SUPPORTS FOR PLASTER AND GYPSUM BOARD

09 29 00 GYPSUM BOARD

09 30 13 CERAMIC TILING

PROJECT TABLE OF CONTENTS Page 3

09 51 00 ACOUSTICAL CEILINGS

09 65 00 RESILIENT FLOORING

09 67 23 RESINOUS COATING SYSTEMS

09 90 00 PAINTS AND COATINGS

09 96 00 HIGH-PERFORMANCE COATINGS

09 96 35 CHEMICAL RESISTANT CONTAINMENT LINING SYSTEM (125 MIL,

FIBERGLASS REINFORCED VINYL ESTER)

*AM0005 SECTION DELETED*

DIVISION 10 - SPECIALTIES

10 10 00 VISUAL COMMUNICATIONS SPECIALTIES

10 14 00.20 INTERIOR SIGNAGE

10 14 01 EXTERIOR SIGNAGE

10 21 13 TOILET COMPARTMENTS

10 22 13 WIRE MESH PARTITIONS

10 26 13 WALL AND CORNER GUARDS

10 28 13 TOILET ACCESSORIES

10 44 16 FIRE EXTINGUISHERS

10 51 13 METAL LOCKERS

DIVISION 11 - EQUIPMENT

11 01 50 RIGID RAIL FALL PROTECTION SYSTEMS

11 13 10 DOCK LEVELERS

DIVISION 12 - FURNISHINGS

12 21 00 WINDOW BLINDS

12 48 13.13 ENTRANCE FLOOR MATS

12 50 00 FURNITURE SYSTEMS

DIVISION 13 - SPECIAL CONSTRUCTION

13 48 00.00 10 SEISMIC PROTECTION FOR MECHANICAL EQUIPMENT

13 48 00 SEISMIC PROTECTION FOR MISCELLANEOUS EQUIPMENT

DIVISION 14 - CONVEYING EQUIPMENT

14 50 00 TELESCOPING PLATFORM SYSTEMS (TPS)

14 55 00 VERTICAL RECIPROCATING CONVEYOR

DIVISION 21 - FIRE SUPPRESSION

21 13 13.00 10 WET PIPE SPRINKLER SYSTEM, FIRE PROTECTION

21 13 25.00 10 HIGH EXPANSION FOAM (HI EX. HEF) FIRE PROTECTION SYSTEM

21 30 00 FIRE PUMPS

DIVISION 22 - PLUMBING

22 00 00 PLUMBING, GENERAL PURPOSE

22 08 00.00 10 COMMISSIONING OF PLUMBING SYSTEMS

22 15 19.19 20 NONLUBRICATED ROTARY SCREW AIR COMPRESSORS AND ACCESSORIES

22 20 00 DUST COLLECTION SYSTEM

22 31 00 WATER SOFTENERS, CATION-EXCHANGE (SODIUM CYCLE)

22 60 70 BREATHING AIR SYSTEM

PROJECT TABLE OF CONTENTS Page 4

DIVISION 23 - HEATING, VENTILATING, AND AIR CONDITIONING

23 00 00 AIR SUPPLY, DISTRIBUTION, VENTILATION, AND EXHAUST SYSTEMS

23 03 00.00 20 BASIC MECHANICAL MATERIALS AND METHODS

23 05 93 TESTING, ADJUSTING, AND BALANCING FOR HVAC

23 07 00 THERMAL INSULATION FOR MECHANICAL SYSTEMS

23 08 00.00 10 COMMISSIONING OF HVAC SYSTEMS

23 09 23 LONWORKS DIRECT DIGITAL CONTROL FOR HVAC AND OTHER BUILDING

CONTROL SYSTEMS

23 11 25 FACILITY GAS PIPING

23 23 00 REFRIGERANT PIPING

23 25 00 CHEMICAL TREATMENT OF WATER FOR MECHANICAL SYSTEMS

23 52 00 HEATING BOILERS

23 64 10 WATER CHILLERS, VAPOR COMPRESSION TYPE

23 64 26 CHILLED AND CONDENSER WATER PIPING SYSTEMS

23 65 00 COOLING TOWERS

23 81 00.00 20 UNITARY AIR CONDITIONING EQUIPMENT

23 81 23.00 20 COMPUTER ROOM AIR CONDITIONING UNITS

DIVISION 25 - INTEGRATED AUTOMATION

25 10 10 UTILITY MONITORING AND CONTROL SYSTEM (UMCS) FRONT END AND

INTEGRATION

DIVISION 26 - ELECTRICAL

26 00 00.00 20 BASIC ELECTRICAL MATERIALS AND METHODS

26 05 48.00 10 SEISMIC PROTECTION FOR ELECTRICAL EQUIPMENT

26 08 00.00 10 COMMISSIONING OF ELECTRICAL SYSTEMS

26 08 00 APPARATUS INSPECTION AND TESTING

26 09 23.00 40 LIGHTING CONTROL DEVICES

26 20 00 INTERIOR DISTRIBUTION SYSTEM

26 23 00 SWITCHBOARDS AND SWITCHGEAR

26 27 13.10 30 ELECTRIC METERS

26 28 01.00 10 COORDINATED POWER SYSTEM PROTECTION

26 29 23 VARIABLE FREQUENCY DRIVE SYSTEMS UNDER 600 VOLTS

26 32 33 UNINTERRUPTIBLE POWER SUPPLY (UPS) SYSTEM

26 41 00 LIGHTNING PROTECTION SYSTEM

26 42 14.00 10 CATHODIC PROTECTION SYSTEM (SACRIFICIAL ANODE)

26 42 19.00 20 CATHODIC PROTECTION BY IMPRESSED CURRENT

26 51 00 INTERIOR LIGHTING

26 56 00 EXTERIOR LIGHTING

DIVISION 27 - COMMUNICATIONS

27 10 00 BUILDING TELECOMMUNICATIONS CABLING SYSTEM

DIVISION 28 - ELECTRONIC SAFETY AND SECURITY

28 31 76 INTERIOR FIRE ALARM AND MASS NOTIFICATION SYSTEM

DIVISION 31 - EARTHWORK

31 00 00 EARTHWORK

31 05 19 GEOTEXTILE

PROJECT TABLE OF CONTENTS Page 5

31 31 16 SOIL TREATMENT FOR SUBTERRANEAN TERMITE CONTROL

31 63 26 DRILLED CAISSONS

DIVISION 32 - EXTERIOR IMPROVEMENTS

32 01 19 FIELD MOLDED SEALANTS FOR SEALING JOINTS IN RIGID PAVEMENTS

32 05 33 LANDSCAPE ESTABLISHMENT

32 11 10 DRAINAGE LAYER

32 11 23 GRADED-CRUSHED AGGREGATE BASE COURSE

32 11 29 LIME-MODIFIED SUBGRADE

32 12 10 BITUMINOUS TACK AND PRIME COATS

32 12 15.13 HOT-MIX ASPHALT AIRFIELD PAVING

32 12 16 HOT-MIX ASPHALT (HMA) FOR ROADS

32 13 11 CONCRETE PAVEMENT FOR AIRFIELDS AND OTHER HEAVY-DUTY

PAVEMENTS

32 13 73 COMPRESSION JOINT SEALS FOR CONCRETE PAVEMENTS

32 17 23.00 20 PAVEMENT MARKINGS

32 31 13.53 HIGH-SECURITY CHAIN LINK FENCES AND GATES

32 92 19 SEEDING

DIVISION 33 - UTILITIES

33 01 99 SLIP LINING OF INDUSTRIAL WASTE PIPING

33 11 00 WATER DISTRIBUTION

33 16 15 WATER STORAGE STEEL TANKS

33 30 00 SANITARY SEWERS AND INDUSTRIAL WASTE PIPING

33 32 13.15 INDUSTRIAL GRINDER OPEN CHANNEL-ELECTRIC

33 40 00 STORM DRAINAGE UTILITIES

33 51 15 NATURAL-GAS DISTRIBUTION

33 61 00 PREFABRICATED UNDERGROUND HEATING/COOLING DISTRIBUTION SYSTEM

33 71 02 UNDERGROUND ELECTRICAL DISTRIBUTION

33 82 00 TELECOMMUNICATIONS OUTSIDE PLANT (OSP)

DIVISION 41 - MATERIAL PROCESSING AND HANDLING EQUIPMENT

41 22 23.19 MONORAIL HOISTS

DIVISION 43 - PROCESS GAS AND LIQUID HANDLING, PURIFICATION, AND STORAGE

EQUIPMENT

43 32 69 CHEMICAL FEED SYSTEMS

APPENDICES:

APPENDIX A DRAFT STORMWATER POLLUTION PREVENTION PLAN

APPENDIX B PROJECT DRAWINGS (SEPARATELY BOUND)

APPENDIX C FURNITURE, FIXTURES, AND EQUIPMENT

APPENDIX D STRUCTURAL INTERIOR DESIGN

--End of Section--

SECTION 08 11 13

STEEL DOORS AND FRAMES

02/10

PART 1 GENERAL

1.1 REFERENCES

The publications listed below form a part of this specification to the extent referenced. The publications are referred to in the text by the basic designation only.

AMERICAN WELDING SOCIETY (AWS)

AWS D1.1/D1.1M (2012; Errata 2011) Structural Welding Code - Steel

ASTM INTERNATIONAL (ASTM)

ASTM A653/A653M (2013) Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed) by the Hot-Dip Process

ASTM A879/A879M (2012) Standard Specification for Steel Sheet, zinc Coated by the Electrolytic Process for Applications Requiring Designation of the Coating Mass on Each Surface

ASTM A924/A924M (2013) Standard Specification for General Requirements for Steel Sheet, Metallic-Coated by the Hot-Dip Process

ASTM C578 (2012b) Standard Specification for Rigid, Cellular Polystyrene Thermal Insulation

ASTM C591 (2012a) Standard Specification for Unfaced Preformed Rigid Cellular Polyisocyanurate Thermal Insulation

ASTM C612 (2010) Mineral Fiber Block and Board Thermal Insulation

ASTM D2863 (2012) Measuring the Minimum Oxygen Concentration to Support Candle-Like Combustion of Plastics (Oxygen Index)

ASTM E1300 (2012a; E 2012) Determining Load Resistance of Glass in Buildings

*AM5

ASTM F2247-11 Standard Test Method for Metal Doors Used in Blast Resistant Applications (Equivalent Static Load Method)*

SECTION 08 11 13 Page 1

ASTM F2248 (2012) Standard Practice for Specifying an Equivalent 3-Second Duration Design Loading for Blast Resistant Glazing Fabricated with Laminated Glass

*AM5

ASTM F2927 Standard Test Method for Door Systems Subject to Airblast Loadings*

BUILDERS HARDWARE MANUFACTURERS ASSOCIATION (BHMA)

ANSI/BHMA A156.115 (2006) Hardware Preparation in Steel Doors and Steel Frames

INTERNATIONAL CODE COUNCIL (ICC)

ICC 500 (2008) ICC/NSSA Standard for the Design and Construction of Storm Shelters

NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)

NFPA 105 (2013) Standard for Installation of Smoke Door Assemblies and Other Opening Protectives

NFPA 252 (2012) Standard Methods of Fire Tests of Door Assemblies

NFPA 80 (2013) Standard for Fire Doors and Other Opening Protectives

STEEL DOOR INSTITUTE (SDI/DOOR)

SDI/DOOR 111 (2009) Recommended Selection and Usage Guide for Standard Steel Doors, Frames and Accessories

SDI/DOOR 113 (2001; R2006) Standard Practice for Determining the Steady State Thermal Transmittance of Steel Door and Frame Assemblies

SDI/DOOR A250.11 (2001) Recommended Erection Instructions for Steel Frames

SDI/DOOR A250.6 (2003; R2009) Recommended Practice for Hardware Reinforcing on Standard Steel Doors and Frames

SDI/DOOR A250.8 (2003; R2008) Recommended Specifications for Standard Steel Doors and Frames

*AM5

U.S. DEPARTMENT OF DEFENSE (DOD)

UFC 4-010-01 (2012) DoD Minimum Antiterrorism Standards for Buildings*

SECTION 08 11 13 Page 2

UNDERWRITERS LABORATORIES (UL)

UL 10C (2009) Standard for Positive Pressure Fire Tests of Door Assemblies

1.2 SUBMITTALS

Government approval is required for submittals with a "G" designation;

submittals not having a "G" designation are for information only. When used, a designation following the "G" designation identifies the office that will review the submittal for the Government. The following shall be submitted in accordance with Section 01 33 00.10 10 DIGITAL SUBMITTAL

PROCEDURES AND CORRESPONDENCE:

SD-02 Shop Drawings

Doors; G

Frames; G

Accessories

Weatherstripping

Show elevations, construction details, metal gages, hardware provisions, method of glazing, and installation details.

Schedule of doors; G

Schedule of frames; G

Submit door and frame locations.

SD-03 Product Data

Doors; G

Frames; G

Accessories

Weatherstripping

Submit manufacturer's descriptive literature for doors, frames, and accessories. Include data and details on door construction, panel (internal) reinforcement, insulation, and door edge construction. When "custom hollow metal doors" are provided in lieu of "standard steel doors," provide additional details and data sufficient for comparison to SDI/DOOR A250.8 requirements.

1.3 DELIVERY, STORAGE, AND HANDLING

Deliver doors, frames, and accessories undamaged and with protective wrappings or packaging. Strap knock-down frames in bundles. Provide temporary steel spreaders securely fastened to the bottom of each welded frame. Store doors and frames on platforms under cover in clean, dry, ventilated, and accessible locations, with 1/4 inch airspace between doors. Remove damp or wet packaging immediately and wipe affected

SECTION 08 11 13 Page 3 surfaces dry. Replace damaged materials with new.

PART 2 PRODUCTS

2.1 STANDARD STEEL DOORS

SDI/DOOR A250.8 , except as specified otherwise. Prepare doors to receive door hardware as specified in Section 08 71 00. Undercut where indicated. Exterior doors shall have top edge closed flush and sealed to prevent water intrusion. Doors shall be 1-3/4 inch thick, unless otherwise indicated. Provide exterior glazing in accordance with ASTM F2248 and ASTM E1300. *AM5 All exterior steel doors shall comply with UFC 4-010-01 , Section 2-4, 17. Exterior doors shall be tested in accordance with ASTM F2247 or ASTM F2927 or otherwise have their hazards mitigated in accordance with Standard 12, UFC 4-010-01 .*

2.1.1 Classification - Level, Performance, Model

2.1.1.1 Maximum Duty Doors

SDI/DOOR A250.8 , Level 4, physical performance Level A, Model 2 with core construction as required by the manufacturer for interior doors and for indicated exterior doors, of size(s) and design(s) indicated. Where vertical stiffener cores are required, the space between the stiffeners shall be filled with mineral board insulation. Provide Level 4.

2.2 STORM SHELTER DOORS

Storm Shelter doors as indicated in door schedule shall meet requirement of ICC 500 -2008 "ICC/NSSA Standard for the Design and Construction of Storm Shelters" and the door assembly shall be tested per Chapter 8 in ICC 500 -2008. Provide door frame and door panel from single supplier.

Door hardware shall be compatible with selected storm shelter door. Basis of Design: Assa Abloy: Curries - Storm Pro 361 or approved equal.

2.3 ACCESSORIES

2.3.1 Astragals

For pairs of exterior steel doors which will not have aluminum astragals or removable mullions, as specified in Section 08 71 00 DOOR HARDWARE provide overlapping steel astragals with the doors. For interior pairs of fire rated and smoke control doors, provide stainless steel astragals complying with NFPA 80 for fire rated assemblies and NFPA 105 for smoke control assemblies.

2.4 INSULATION CORES

Insulated cores shall be of type specified, and provide an apparent U-factor of .48 in accordance with SDI/DOOR 113 and shall conform to:

a. Rigid Cellular Polyisocyanurate Foam: ASTM C591, Type I or II, foamed-in-place or in board form, with oxygen index of not less than 22 percent when tested in accordance with ASTM D2863; or

b. Rigid Polystyrene Foam Board: ASTM C578, Type I or II; or

c. Mineral board: ASTM C612, Type I.

SECTION 08 11 13 Page 4

2.5 STANDARD STEEL FRAMES

SDI/DOOR A250.8 , Level 4, except as otherwise specified. Form frames to sizes and shapes indicated, with welded corners. Provide steel frames for doors, transoms, sidelights and interior glazed panels, unless otherwise indicated.

2.5.1 Welded Frames

Continuously weld frame faces at corner joints. Mechanically interlock or continuously weld stops and rabbets. Grind welds smooth.

Weld frames in accordance with the recommended practice of the Structural Welding Code Sections 1 through 6, AWS D1.1/D1.1M and in accordance with the practice specified by the producer of the metal being welded.

2.5.2 Mullions and Transom Bars

Mullions and transom bars shall be closed or tubular construction and be a member with heads and jambs butt-welded thereto. Bottom of door mullions shall have adjustable floor anchors and spreader connections.

2.5.3 Stops and Beads

Form stops and beads from 20 gage steel. Provide for glazed and other openings in standard steel frames. Secure beads to frames with oval-head, countersunk Phillips self-tapping sheet metal screws or concealed clips and fasteners. Space fasteners approximately 12 to 16 inch on center.

Miter molded shapes at corners. Butt or miter square or rectangular beads at corners.

2.5.4 Terminated Stops

Where indicated, terminate interior door frame stops 6 inch above floor.

2.5.5 Cased Openings

Fabricate frames for cased openings of same material, gage, and assembly as specified for metal door frames, except omit door stops and preparation for hardware.

2.5.6 Anchors

Provide anchors to secure the frame to adjoining construction. Provide steel anchors, zinc-coated or painted with rust-inhibitive paint, not lighter than 18 gage.

2.5.6.1 Wall Anchors

Provide at least three anchors for each jamb. For frames which are more than 7.5 feet in height, provide one additional anchor for each jamb for each additional 2.5 feet or fraction thereof.

a. Masonry: Provide anchors of corrugated or perforated steel straps or 3/16 inch diameter steel wire, adjustable or T-shaped;

b. Stud partitions: Weld or otherwise securely fasten anchors to backs of frames. Design anchors to be fastened to closed steel studs with sheet metal screws, and to open steel studs by wiring or welding;

SECTION 08 11 13 Page 5

c. Completed openings: Secure frames to previously placed concrete or masonry with expansion bolts in accordance with SDI/DOOR 111 .

2.5.6.2 Floor Anchors

Provide floor anchors drilled for 3/8 inch anchor bolts at bottom of each jamb member. Where floor fill occurs, terminate bottom of frames at the indicated finished floor levels and support by adjustable extension clips resting on and anchored to the structural slabs.

2.6 FIRE AND SMOKE DOORS AND FRAMES

NFPA 80 and NFPA 105 and this specification. The requirements of NFPA 80 and NFPA 105 shall take precedence over details indicated or specified.

2.6.1 Labels

Fire doors and frames shall bear the label of Underwriters Laboratories (UL), Factory Mutual Engineering and Research (FM), or Warnock Hersey International (WHI) attesting to the rating required. Testing shall be in accordance with NFPA 252 or UL 10C . Labels shall be metal with raised letters, and shall bear the name or file number of the door and frame manufacturer. Labels shall be permanently affixed at the factory to frames and to the hinge edge of the door. Door labels shall not be painted.

2.6.2 Astragal on Fire and Smoke Doors

On pairs of labeled fire doors, conform to NFPA 80 and UL requirements.

On smoke control doors, conform to NFPA 105 .

2.7 WEATHERSTRIPPING

As specified in Section 08 71 00 DOOR HARDWARE.

2.8 HARDWARE PREPARATION

Provide minimum hardware reinforcing gages as specified in SDI/DOOR A250.6 .

Drill and tap doors and frames to receive finish hardware. Prepare doors and frames for hardware in accordance with the applicable requirements of SDI/DOOR A250.8 and SDI/DOOR A250.6 . For additional requirements refer to ANSI/BHMA A156.115 . Drill and tap for surface-applied hardware at the project site. Build additional reinforcing for surface-applied hardware into the door at the factory. Locate hardware in accordance with the requirements of SDI/DOOR A250.8 , as applicable. Punch door frames, with the exception of frames that will have weatherstripping, to receive a minimum of two rubber or vinyl door silencers on lock side of single doors and one silencer for each leaf at heads of double doors. Set lock strikes out to provide clearance for silencers.

2.9 FINISHES

2.9.1 Factory-Primed Finish

All surfaces of doors and frames shall be thoroughly cleaned, chemically treated and factory primed with a rust inhibiting coating as specified in SDI/DOOR A250.8 , or paintable A25 galvannealed steel without primer.

Where coating is removed by welding, apply touchup of factory primer.

SECTION 08 11 13 Page 6

2.9.2 Hot-Dip Zinc-Coated and Factory-Primed Finish

Fabricate exterior scheduled doors and frames from hot dipped zinc coated steel, alloyed type, that complies with ASTM A924/A924M and ASTM A653/A653M .

The coating weight shall meet or exceed the minimum requirements for coatings having 0.4 ounces per square foot, total both sides, i.e., A40.

Repair damaged zinc-coated surfaces by the application of zinc dust paint. Thoroughly clean and chemically treat to insure maximum paint adhesion. Factory prime as specified in SDI/DOOR A250.8 .

2.9.3 Electrolytic Zinc-Coated Anchors and Accessories

Provide electrolytically deposited zinc-coated steel in accordance with ASTM A879/A879M , Commercial Quality, Coating Class A. Phosphate treat and factory prime zinc-coated surfaces as specified in SDI/DOOR A250.8 .

2.10 FABRICATION AND WORKMANSHIP

Finished doors and frames shall be strong and rigid, neat in appearance, and free from defects, waves, scratches, cuts, dents, ridges, holes, warp, and buckle. Molded members shall be clean cut, straight, and true, with joints coped or mitered, well formed, and in true alignment. Dress exposed welded and soldered joints smooth. Design door frame sections for use with the wall construction indicated. Corner joints shall be well formed and in true alignment. Conceal fastenings where practicable.

Design frames in exposed masonry walls or partitions to allow sufficient space between the inside back of trim and masonry to receive caulking compound.

2.10.1 Grouted Frames

For frames to be installed in exterior walls and to be filled with mortar or grout, fill the stops with strips of rigid insulation to keep the grout out of the stops and to facilitate installation of stop-applied head and jamb seals.

2.11 PROVISIONS FOR GLAZING

Materials are specified in Section 08 81 00, GLAZING.

PART 3 EXECUTION

3.1 INSTALLATION

3.1.1 Frames

Set frames in accordance with SDI/DOOR A250.11 . Plumb, align, and brace securely until permanent anchors are set. Anchor bottoms of frames with expansion bolts or powder-actuated fasteners. Build in or secure wall anchors to adjoining construction. Backfill frames with mortar. Coat inside of frames with corrosion-inhibiting bituminous material. For frames in exterior walls, ensure that stops are filled with rigid insulation before grout is placed.

3.1.2 Doors

Hang doors in accordance with clearances specified in SDI/DOOR A250.8 .

After erection and glazing, clean and adjust hardware.

SECTION 08 11 13 Page 7

3.1.3 Fire and Smoke Doors and Frames

Install fire doors and frames, including hardware, in accordance with NFPA 80 . Install fire rated smoke doors and frames in accordance with NFPA 80 and NFPA 105 .

3.2 PROTECTION

Protect doors and frames from damage. Repair damaged doors and frames prior to completion and acceptance of the project or replace with new, as directed. Wire brush rusted frames until rust is removed. Clean thoroughly. Apply an all-over coat of rust-inhibitive paint of the same type used for shop coat.

3.3 CLEANING

Upon completion, clean exposed surfaces of doors and frames thoroughly.

Remove mastic smears and other unsightly marks.

-- End of Section --

SECTION 08 11 13 Page 8

SECTION 11 13 10

DOCK LEVELERS

08/09

PART 1 GENERAL

1.1 REFERENCES

The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only.

AMERICAN WELDING SOCIETY (AWS)

AWS C2.18 (1993; Errata 1993; R 2001) Guide for the Protection of Steel with Thermal Sprayed Coatings of Aluminum and Zinc and Their Alloys and Composites

ASTM INTERNATIONAL (ASTM)

ASTM A123/A123M (2013) Standard Specification for Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products

ASTM A143/A143M (2007) Standard Practice for Safeguarding Against Embrittlement of Hot-Dip Galvanized Structural Steel Products and Procedure for Detecting Embrittlement

ASTM A153/A153M (2009) Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware

ASTM D2000 (2012) Standard Classification System for Rubber Products in Automotive Applications

NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA)

NEMA ICS 2 (2000; R 2005; Errata 2008) Standard for Controllers, Contactors, and Overload Relays Rated 600 V

NEMA ICS 6 (1993; R 2011) Enclosures

NEMA MG 1 (2011; Errata 2012) Motors and Generators

NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)

NFPA 70 (2014; AMD 1 2013; Errata 2013; AMD 2 2013) National Electrical Code

UNDERWRITERS LABORATORIES (UL)

UL 943 (2006; Reprint Jun 2012) Ground-Fault Circuit-Interrupters

SECTION 11 13 10 Page 1

1.2 DEFINITIONS

1.2.1 Industrial Dock Leveler

A manufactured structure designed to span and compensate space and height differentials between a loading dock and freight carrier to facilitate safe, efficient, freight transfer.

1.2.2 Adjustable Loading Ramp

Synonym for Fixed Type Industrial Dock Leveler.

1.2.3 Fixed Type Industrial Dock Leveler

A dock leveler that is permanently affixed to the dock structure, and usually incorporating an electro-hydraulic recessed into dock face further than 15 inch system to position the dock leveler with respect to the freight carrier at the lip end while being fixed at the opposite hinged end.

1.2.4 Velocity Fuse

A valve or similar device that goes into the hydraulic line. If the dock leveler becomes inadvertently or accidentally unsupported, this fuse will freeze the movement of dock leveler within 4 inches of the dock leveler original position.

1.2.5 Carrier

A wheeled, enclosed trailer or container that, when attached to a heavy-duty truck or van, is used to carry bulk freight over long distances.

1.3 SUBMITTALS

Government approval is required for submittals with a "G" designation;

submittals not having a "G" designation are for information only. When used, a designation following the "G" designation identifies the office that will review the submittal for the Government. Submit the following in accordance with Section 01 33 00.10 10 DIGITAL SUBMITTAL PROCEDURES AND

CORRESPONDENCE:

SD-02 Shop Drawings

Detail Drawings; G

SD-03 Product Data

Loading Dock Levelers; G Dock Bumpers; G

SD-04 Samples

Fastening Materials Angles Rods Fastening Hardware Dock Bumpers Rubber

SECTION 11 13 10 Page 2

SD-07 Certificates

Fastening Materials Rubberized Fabric Steel Angles Hardware Items

SD-10 Operation and Maintenance Data

Loading Dock Levelers, Data Package 3; G Restraining Device, Data Package 2; G

SD-11 Closeout Submittals

Record Drawings; G

1.4 QUALITY ASSURANCE

1.4.1 Manufacturer's Representative

Furnish services of Fixed Type Industrial Dock Leveler technicians, experienced in installation and operation of the type of system being provided, to supervise installation, testing, adjustment of system, and instruction to Government personnel.

1.4.2 Detail Drawings

Submit drawings depicting dimensions, tolerances, surface finishes, hardnesses, flush edge angles, method of mounting and anchoring, and control schematics and diagram. Show complete wiring, schematic diagrams, drainage pipe for pit and any other details required to demonstrate that the system has been coordinated and will properly function as a unit.

Show proposed layout and anchorage of equipment and appurtenances. Show the concrete pit details including flush edge angles, dock bumpers including fastening materials in compliance with ASTM A123/A123M and ASTM D2000, and sloped pit bottom; method of mounting and anchoring. Show all proposed dock bumper locations on drawings.

1.4.3 Record Drawings

Submit record as-built drawings depicting dimensions, tolerances, surface finishes, hardnesses, flush edge angles, method of mounting and anchoring, and control schematics and diagram, including mechanical and electrical components, testing and acceptance (one copy sepia transparency) for each industrial dock leveler.

1.5 DELIVERY, STORAGE, AND HANDLING

Matchmark and tag parts which are disassembled for shipment with metal tags. Provide waterproofed tags and markings. Protect the delivered equipment in storage from the weather, humidity and temperature variation, dirt and dust, or other contaminants.

1.6 EXTRA MATERIALS

After approval of the detail drawings, and not later than 2 months prior to the date of beneficial occupancy, provide spare parts data for each different item of material and equipment specified. Furnish a complete

SECTION 11 13 10 Page 3 list of parts and supplies, with current unit prices and source of supply and a list of the parts recommended by the manufacturer to be replaced after 3 year(s) of service.

PART 2 PRODUCTS

2.1 MATERIALS

2.1.1 Standard Products

Submit data including a complete list of equipment and materials, manufacturer's descriptive and technical literature, performance charts and curves, catalog cuts, and installation instructions. Provide materials and equipment, which are the standard products of a manufacturer regularly engaged in the manufacture of the products, and that essentially duplicate items that have been in satisfactory use for at least 2 years prior to bid opening. Equipment shall be supported by a service organization that is, in the opinion of the Contracting Officer, reasonably convenient to the site. Section 23 03 00.00 20 BASIC MECHANICAL MATERIALS AND METHODS, applies to this Section, with the additions and modifications specified herein.

2.1.2 Exposed Surfaces

All exposed metal surfaces and fastening materials shall fully comply with the minimum requirements of ASTM A123/A123M , ASTM A143/A143M , and

ASTM A153/A153M .

2.1.3 Nameplate

Attach corrosion-resistant metal plate securely and legibly on the exterior surface of the dock leveler. Include the following information indented or embossed on the plate:

a. Description of the equipment: Describe procedures for operating and services equipment, and warnings or cautions of hazardous procedures.

b. Name of the manufacturer.

c. Serial and model number.

d. Rated capacity in pounds.

e. Shipping weight.

f. Date of manufacture (month and year).

2.1.4 Toe Guards or Skirts

Provide sides or edges, except front and rear edges, of the ramps which rise above the surrounding loading dock with sheet carbon steel skirts or toe guards of minimum 14 U.S.S. gage nominal thickness. Furnish smooth faced toe guards or skirts and mount flush with the edges of the ramp surface. Ensure sufficient depth of toe guards or skirts to protect the full operating range of dock travel. Ensure the construction capable of resisting a minimum lateral force of 10 pounds with a maximum deflection of 1/2 inch.

SECTION 11 13 10 Page 4

2.2 LOADING DOCK LEVELERS

Provide permanent loading dock levelers with minimum performance characteristics based on the following:

a. Service Period:

1. Number of shift operations: 3.

2. Maximum number of trucks per shift opening: 3.

3. Maximum number of days per week: 7.

b. Fork Lift Loads:

1. Design levelers to accommodate 4 wheel fork trucks.

Provide loading dock leveler with electro-hydraulic type with electric motor and hydraulic pump operating a hydraulic cylinder that adjusts dock leveler board position. Coordinate a truck restraint system with the dock leveler via an interconnect function such that the restraint and dock leveler will engage with a single push-button, if a powered trailer restraint is selected to lock truck or trailer into position during loading and for overnight security. Incorporate a visual signal to inform dock operator and driver of locked or unlocked status. Make provision for maintenance access to understructure and lifting mechanism. Provide steel tread plate lip and platform, hinged and supported from beneath by steel framework that contains lifting, positioning, and lowering assembly.

Ensure that platform surface is flush with surrounding floor surface of loading dock when not in service. Provide integral positive restraint when leveler is in maintenance position.

2.2.1 Design Requirements

Design, fabricate, and finish loading ramp to permit washing with water and detergents, and operating in an ambient temperature from 0 to plus 110 degrees F.

2.2.2 Standard

Comply with MH 30.1. ANSI standard for the Safety, Performance and Testing of Dock Levelers Device.

2.2.3 Dock Leveler Height Adjustment

Provide a ramp whose incline can be adjusted to suit the height of the freight carrier. Allow the loading ramp a minimum of 24 inches of vertical adjustment. Divide height adjustments 12 inches above and 12 inches below the dock level to provide coverage between 30 inches and 54 inches above grade.

2.2.4 Dock Leveler Extension and Retraction

Extend non-fixed end of the dock leveler from a retracted position behind the line of the loading dock platform bumpers to at least 12 inches beyond the forward edge of the dock platform bumpers so as to rest on the bed of the freight carrier. The difference in length of the platform from its fully retracted position to its fully extended position shall be practically constant throughout the ramp, including the ramp extension.

SECTION 11 13 10 Page 5

2.2.5 Loading Ramp Compensation

Provide automatic compensation with ramp platform loaded or unloaded for:

2.2.5.1 Freight Carrier Out of Level

Out of level freight carrier bed condition (difference in elevation from side to side at the rear of the carrier bed): Allow a minimum correction of one inch for each 18 inches and maximum 4 inch correction of ramp width over the width of the ramp. Ensure the rear edge of the ramp parallel with the rear of the frame in order to prevent tripping or be a pinching hazard.

AM5 TEXT DELETED*2.2.5.2 Loading and Unloading of the Freight Carrier

Provide mechanical type dock levelers with manual load compensation for truck beds lowered below dock height. When the lip is extended so as to rest on the bed of motor truck or trailer, provide compensation of 4 inches for carrier spring deflection so that contact will be maintained between lip and carrier bed.

2.2.6 Safety Devices

2.2.6.1 Electro-Hydraulic System

Provide velocity fuse, ballcheck valve, or other device to automatically prevent a drop of more than 4 inches of the lip, should the freight carrier move away from the dock leaving the lip unsupported. Activate this device with a static, dynamic, or impact load exceeding 10 percent of the rated load on the lip and ramp.

2.2.6.2 Dock Bumpers

Submit certificates showing conformance with the referenced standards contained in this section. Provide ramp and load dock face with laminated rubber, tire-fabric, or equivalent dock bumpers recommended by the dock leveler manufacturer. Submit one typical Loading Dock Bumper completely assembled with supporting rods, end angles, bolts, and nuts. (This may be the smallest size bumper required.) One section of 8 inches wide by full depth and height of bumper including one end angle with the opposite end exposed for inspection. Solid Rubber pieces conforming to ASTM D2000, Grade 4AA612A13B13F17 may be used instead of rubberized fabric.

2.2.6.2.1 Bumper Construction

Construct bumpers of resilient, laminated, rubberized-fabric pads, assembled on steel frames. Rubberized Fabric shall conform to ASTM D2000.

Punch material to receive 3/4 inch supporting rods. Bumpers shall be 4-1/2 inches thick, stand out from the dock, and be closed with two structural steel angles under 1,500 pounds.

2.2.6.2.2 Steel Angles

Angles shall be 3 by 2-1/2 by 1/4 inch steel welded to 3/4 inch Rods at one end (head of rods exposed on face of angle leg) and closed with Fastening Materials, to include threaded rod ends and fastening hardware at the other end. Submit one sample of each, individually tagged and identified for use and location. Quantity of rods required for each

SECTION 11 13 10 Page 6 bumper shall be as indicated and in accordance with approved drawings. The 2-1/2 inch leg of the steel angle on the face of the wall shall have 13/16 inch bolt holes, quantity and spacing as required.

2.2.6.2.3 Finish

Metal for dock bumpers, including Hardware Items, shall be hot-dip galvanized conforming to ASTM A123/A123M .

2.2.7 Rated Capacity

Capable of supporting total gross load of 45000 lb without permanent deflection or distortion.

2.2.8 Ramp Load Carrying Surface

The live load carrying surface of the ramp shall be 6 feet plus or minus 3 inch wide and 10 feet plus or minus 9 inch long with the dock leveler lip retracted.

2.2.9 Platform

Not less than 1/4-inch thick, nonskid steel plate, as needed to support stated loaded capacity.

a. Platform Size: 6'-6" x 8'-0"

b. Frame: Manufacturer's standard

c. Toe Guards: Equip open sides of dock leveler over range indicated with metal toe guards.

1. Toe-Guard Range: Entire upper operating range.

2.2.10 Hinged Lip

Not less than 1/2-inch- (13-mm-) thick, nonskid steel plate.

a. Hinge: Full width, piano-type hinge with heavy-wall hinge tube and greased fittings, with gussets on lip and ramp for support.

b. Safety Barrier Lip: Designed to protect material-handling equipment from an accidental fall from loading platform edge of the dock leveler when the leveler is not in use.

2.2.11 Function

Dock levelers shall compensate for differences in height between truck bed and loading platform.

a. Vertical Travel: Operating range above platform level of sufficient height to enable lip to extend and clear truck bed before contact with the following minimum working range:

1. Above Adjoining Platform: 12 inches.

2. Below Adjoining Platform: 12 inches.

b. Automatic Vertical Compensation: Floating travel of ramp with lip

SECTION 11 13 10 Page 7 extended and resting on truck bed shall compensate automatically for upward or downward movement of truck bed during loading and unloading.

c. Automatic Lateral Compensation: Tilting of ramp with lip extended and resting on truck bed shall compensate automatically for canted truck beds of up to 4 inches over width of ramp.

d. Lip Operation: Manufacturer's standard mechanism that automatically extends and supports hinged lip on ramp edge with lip resting on truck bed over dock leveler's working range, allows lip to yield under impact of incoming truck, and automatically retracts lip when truck departs.

1. Length of Lip Extension: 16 inches.

e. Automatic Ramp Return: Automatic return of unloaded ramp, from raised or lowered positions to stored position, level with platform, as truck departs.

f. Interlock: Leveler will not operate while leveler night lock is engaged.

2.2.12 Hydraulic Operating System

Electric control from a remote-control station; fully hydraulic operation. Electric-powered hydraulic raising and hydraulic lowering of ramp. Equip leveler with a packaged unit including a unitized, totally enclosed, nonventilated electric motor, pump, manifold reservoir, and valve assembly of proper size, type, and operation for capacity of leveler indicated. Include means for lowering ramp below platform level with lip retracted behind dock bumpers. Provide a hydraulic velocity fuse connected to main hydraulic cylinder to limit loaded ramp's free fall to not more than 3 inches.

a. Remote-Control Station with Emergency Stop: Weatherproof multibutton control station with an UP button of the constant-pressure type and an emergency STOP button of the momentary-contact type, enclosed in NEMA ICS 6 , Type 4 box. Ramp raises by depressing and holding UP button; ramp lowers at a controlled rate by releasing UP button. All ramp movement stops, regardless of position of ramp or lip, by depressing STOP button. Normal operation resumes by engaging a manual reset button or by pulling out STOP button.

1. Dual-Panel Control Station: Remote-control station for operating side-by-side dock levelers.

2. Master Panel: Control panel with integral fused disconnecting means for operating dock leveler, dock door, and truck restraints.

2.2.13 Construction

Fabricate dock-leveler frame, platform supports, and lip supports from structural- or formed-steel shapes. Weld platform and hinged lip to supports. Fabricate entire assembly to withstand deformation during both operating and stored phases of service. Chamfer lip edge to minimize obstructing wheels of material-handling vehicles.

a. Cross-Traffic Support: Manufacturer's standard method of supporting ramp at platform level in stored position with lip retracted. Provide

SECTION 11 13 10 Page 8 a means to release supports to allow ramp to descend below platform level.

b. Maintenance Strut: Integral strut to positively support ramp in up position during maintenance of dock leveler.

2.2.14 Accessories

a. Curb Angles: 3-by-3-by-1/4-inch galvanized-steel curb angles for edge of recessed leveler pit, with 1/2-inch- diameter by 6-inch- long concrete anchors welded to angle at 6 inches o.c.

b. Self-Forming Pan: Manufacturer's standard prefabrication, self-forming steel form system for poured-in-place construction of concrete pit.

c. Night Locks: Manufacturer's standard means to prevent extending lip and lowering ramp when overhead doors are locked.

d. Abrasive skid-resistant surface.

2.3 OPERATION

2.3.1 Mechanical Control

Mechanical chain-activated, with extension-spring operation and counter-balance non-manual, raising and lowering system. Once the freight carrier has departed, manually return the platform to the stored, level position. Ensure the ramp, in its stored position capable of being lowered below dock platform level without extending the lip of the ramp.

2.3.2 Hinged Lip Ramp Movement

Apply continuous pressure on the "UP" button to raise the loading ramp, descend the lip onto the bed of the freight carrier. Once the freight carrier has departed, the lip shall automatically fall or retract to its down position, and the ramp shall return to its stored dock level position. The ramp, in its stored position, shall have the capability of being lowered below dock level without extending the lip of the ramp to service truck end loads which may be lower than loading dock surface position. Allow 4 to 6 seconds to fully extend or retract the lip.

2.4 CONSTRUCTION AND MATERIALS

Construct all load carrying parts of forged or welded steel. The entire live load carrying surface of the ramp and rear attachment shall be not less than 1/4 inch thick, 55 ksi minimum yield strength, low alloy, nonskid steel tread plate. Provide minimum 5/8 inch vertical projections on the live load carrying surface. Bevel the lip or ramp extension.

Design load carrying surfaces to permit free movement of powered hand or platform trucks, low lift pallet trucks, and fork lift trucks. Fabricate lip hinge of not less than 1/4 inch wall seamless steel tubing.

2.5 ELECTRICAL REQUIREMENTS

NFPA 70 , NEMA ICS 2 , NEMA ICS 6 and NEMA MG 1. Provide 230 volt electrical characteristics, three phase, 60 Hz alternating current power supply. Provide all electrical equipment on the loading ramp. Provide interconnecting wiring for components of packaged equipment as an integral

SECTION 11 13 10 Page 9 part of the equipment. Include motor, switches, junction box, conduit, wiring cables, panel enclosed control station, motor controller, heater coils, timer, transformer, terminal blocks, and fuses. Provide NEMA ICS 6 , Type 4, electrical enclosures. Color code all wiring.

2.5.1 Motor

Conform to NEMA MG 1 and continuous duty or 60-minute time rated, industrial type, single speed rated for operating conditions. Provide electrical insulation systems conforming to NEMA MG 1, Class B. Provide permanently lubricated antifriction ball or roller bearings. Equip each electrohydraulic loading dock leveler with a totally enclosed fan cooled (TEFC) squirrel cage induction electric motor. Equip each air powered loading dock leveler with a 115v, single phase, 60 Hz, self cleaning, two stage, UL approved industrial fan motor, which will not exceed its rated capacity under full load conditions of the loading dock leveler.

2.5.2 Controls

NEMA ICS 2 , size 0 controller for heavy industrial service. Provide an electrically operated, full magnetic, nonreversing type controller for the motor. Equip all control enclosures with locks and keys.

2.5.3 Transformer

Totally enclosed, self-cooled, dry type. Feed the transformer from the load side of the main disconnecting device.