lighting Poles and Standards

SECTION 02582 - LIGHTING POLES AND STANDARDS

Section 02582 Page 10Lighting Poles and Standards

Section 02582 Page 9Lighting Poles and Standards

MASTERSPEC Short Form Copyright 1999, The American Institute of Architects (AIA)

SECTION 02582

LIGHTING POLES AND STANDARDSPART 1 - GENERAL

1.1 SUMMARY

A. This Section includes the following poles for support of luminaires:

Adjust list below to suit Project.

1. Steel.

2. Aluminum.

3. Prestressed concrete.

B. See Division16 Section 16521 "Exterior Lighting" for lighting fixtures, lamps, ballasts, and accessories.

1.2 DEFINITIONS

A. Luminaire: Complete lighting fixture, including ballast housing if provided.

B. Pole: Luminaire support structure, including foundation, standard, pole top and high pole, and tower used to illuminate large area.

C. Standard: Same definition as "Pole" above.

1.3 PERFORMANCE REQUIREMENTS

A. Dead Load: Weight of luminaire and its horizontal and vertical supports, lowering devices, and supporting structure, applied as stated in AASHTOLTS-3.

Delete paragraph below if pole does not include service platforms.

B. Live Load: Single load of 500 lbf, distributed as stated in AASHTOLTS-3.

Delete paragraph below if Project is outside area shown in AASHTOLTS-3, Figure1.2.3.

C. Ice Load: Load of 3 lbf/sq. ft., applied as stated in AASHTOLTS-3.

See Editing Instruction No.2 in the Evaluations for a discussion of wind-load calculations.

D. Wind Load: Pressure of wind on standard and luminaire, calculated and applied as stated in AASHTOLTS-3.

1. Wind speed for calculating wind load for poles exceeding 50 feet in height is [110 mph] [70 mph].

2. Wind speed for calculating wind load for poles 50 feet in height or less is [110 mph] [70 mph].

1.4 SUBMITTALS

A. Product Data: For each type of pole indicated. Include the following:

1. Accessories and finishes.

2. Materials and dimensions of poles.

3. Means of attaching luminaires and indication that attachment is suitable for it.

4. Bases.

B. Shop Drawings: Include anchor-bolt templates keyed to specific poles and certified by manufacturer.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

See Editing Instruction No.1 in the Evaluations for cautions about naming manufacturers and products.

A. Available Manufacturers: Subject to compliance with requirements, manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following:

Retain above for nonproprietary or below for semiproprietary specification. Refer to Division1 Section "Product Requirements."

B. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

1. Accord Industries.

2. Adjusta-Post Mfg. Co.

3. Ameron Pole Products; Division of Ameron International Corp.

4. Architectural Area Lighting.

5. Bayshore Concrete Products.

6. Brandon Industries, Inc.

7. Centrecon, Inc.

8. GE Lighting Systems.

9. Hapco; a Kearney-National, Inc. Company.

10. Highline Products Corp.

11. Holophane Corporation.

12. Hubbell Lighting, Inc.

13. JPL-Lighting.

14. King Luminaire Corporation, Inc.

15. KW Industries, Inc.

16. Lighting & Lowering Systems Inc.

17. Lithonia Lighting.

18. Lumca.

19. MetroLux, Division of Quality Lighting; JJI Lighting Group, Inc.

20. Millerbernd Manufacturing Company.

21. Moldcast Lighting, Inc.

22. Nafco International.

23. Newmark International, Inc.

24. Nova Pole International, Inc.

25. P & K Pole Products.

26. Powco Steel Products Ltd.

27. Spaulding Lighting, Inc.

28. Spero Electric Corp.

29. Sterner Lighting Systems, Inc.

30. StressCrete Ltd.

31. Union Metal Corp.

32. United Lighting Standards, Inc.

33. Utility Metals/Fabricated Metals Corp.

34. Valmont Industries, Inc.

35. Ward Industries.

36. West Coast Engineering Ltd.

37. Western Lighting Standards, Inc.

38. Whatley, W. J. Inc.

39.

2.2 POLES, GENERAL

A. Description: Comply with AASHTOLTS-3 in structural design of poles.

See Editing Instruction No.2 in the Evaluations for a discussion of wind-load calculations.

B. Wind-Load Strength of Poles: Adequate at indicated heights above grade without failure, permanent deflection, or whipping in steady winds of speed indicated in "Performance Requirements" Article, with a gust factor of 1.3.

Use subparagraph below to determine if poles will be stiff enough to avoid flexure and vibration. Alternatively, add requirements for minimum pole wall thickness and other parameters. See Editing Instruction No.3 in the Evaluations.

1. Strength Analysis: For each pole, multiply the actual equivalent projected area of luminaires and brackets by a factor of [1.1] to obtain the equivalent projected area to be used in pole selection strength analysis.

First paragraph below assumes that adjustable features or aiming of luminaires is part of luminaire and not of pole. Revise if luminaire adjustment is requirement of pole.

C. Luminaire Attachment: Structural supports to comply with luminaire mounting requirements.

D. Finish: Match finish of pole and support structure on arm, bracket, and tenon mount materials.

Coordinate first paragraph and subparagraphs below with Drawings.

E. Mountings, Fasteners, and Appurtenances: Corrosion-resistant items compatible with support components.

1. Materials: Shall not cause galvanic action at contact points.

2. Mountings: Correctly position luminaire attachment to provide indicated light distribution.

3. Anchor Bolts, Leveling Nuts, Bolt Caps, and Washers: Hot-dip galvanized after fabrication unless stainless-steel items are indicated.

4. Anchor-Bolt Template: Plywood or steel.

5. Concrete Bases: Cast-in-place concrete. Concrete, reinforcement, and formwork are specified in Division3.

F. Power-Installed Screw Foundations: Factory fabricated by pole manufacturer, with structural steel complying with ASTMA36/A36M and hot-dip galvanized according to ASTMA123/A123M; and having strength, mounting bolt, and top-plate dimensions required to support pole, luminaire, and accessories.

On Drawings, identify poles that require breakaway supports described in paragraph below.

G. Breakaway Supports: Frangible breakaway supports for indicated poles, tested by an independent testing agency acceptable to authorities having jurisdiction, according to AASHTOLTS-3.

Select from basic pole descriptions in first three articles below and edit to suit Project, or insert description of another pole type. See Editing Instruction No.3 in the Evaluations for a discussion of flexure and vibration resistance.

If support structures other than poles are used, add an article here to specify structure materials.

2.3 STEEL POLES

A. Poles: Comply with ASTMA500, GradeB, carbon steel with a minimum yield of 46,000 psig; 1-piece construction up to 40 feet in length with access handhole in pole wall.

1. Shape: [Round, tapered] [Round, straight] [Square, tapered] [Square, straight].

Edit mast arm specification below to suit Project. "NPS" is an industry standard designation for "nominal pipe size" in inches. "DN" is the equivalent metric designation for "dimension nominal."

B. Steel Mast Arms: NPS2 black steel pipe, continuously welded to pole attachment plate.

C. Metal Pole Brackets: Cantilever brackets without underbrace, with straight tubular end section to accommodate luminaire. Match pole finish.

D. Pole-Top Tenons: Fabricated to support luminaire or luminaires and brackets, and securely fastened to pole top.

E. Steps: Fixed steel, with nonslip treads, positioned for 15-inch vertical spacing, alternating on opposite sides of pole; first step at elevation 10 feet above finished grade.

F. Grounding and Bonding Lugs: Welded 1/2-inch threaded lug, complying with requirements in Division16 Section 16060 "Grounding and Bonding," listed for attaching grounding and bonding conductors of type and size listed in that Section, and accessible through handhole.

G. Cable Support Grip: Wire-mesh type with rotating attachment eye, sized for diameter of cable and rated for a minimum load equal to weight of supported cable times a 5.0 safety factor.

Coordinate first paragraph below with manufacturer's standard details and Project's structural engineer.

H. Platform for Lamp and Ballast Servicing: Factory fabricated of steel with finish matching that of pole.

I. Brackets for Luminaires: Detachable, with pole and adapter fittings. Adapter fitting welded to pole and bracket, then bolted together with [stainless-steel] [galvanized steel] bolts.

Indicate span and rise of luminaire brackets on Drawings.

J. Tapered oval cross section, with straight tubular end section to accommodate luminaire.

Select one of three paragraphs and associated subparagraphs below. Specify field-painting requirements in Division9 Sections. Verify compatibility of factory finishes with field-applied coats.

K. Prime-Coat Finish: Manufacturer's standard prime-coat finish ready for field painting.

L. Galvanized Finish: After fabrication, hot-dip galvanize complying with ASTMA123/A123M.

Select paragraph above for plain galvanized finish or paragraph and associated subparagraphs below for factory-painted finish.

M. Factory-Painted Finish: Comply with NAAMM's "Metal Finishes Manual for Architectural and Metal Products" for recommendations for applying and designating finishes.

1. Surface Preparation: Clean surfaces to comply with SSPC-SP1, "Solvent Cleaning," to remove dirt, oil, grease, and other contaminants that could impair paint bond. Grind welds and polish surfaces to a smooth, even finish. Remove mill scale and rust, if present, from uncoated steel, complying with SSPC-SP5/NACE No.1, "White Metal Blast Cleaning," or SSPC-SP8, "Pickling."

2. Interior Surfaces: Apply one coat of bituminous paint on interior of pole, or otherwise treat to prevent corrosion.

3. Exterior Surfaces: Manufacturer's standard finish consisting of one or more coats of primer and two finish coats of high-gloss, high-build polyurethane enamel.

a. Color: [As indicated by manufacturer's designations] [Match sample] [As selected from manufacturer's full range].

2.4 ALUMINUM POLES

A. Poles: Seamless, extruded structural tube complying with ASTMB429, 6063-T6alloy with access handhole in pole wall.

Select paragraph above or first paragraph and subparagraph below. Below is for aluminum poles up to 40 feet (12 m) in nominal mounting height and if higher strength or resistance to vibration is required. See Editing Instruction No.3 in the Evaluations.

B. Poles: ASTMB209, 5052-H34 marine sheet alloy with access handhole in pole wall.


C. Pole-Top Tenons: Fabricated to support luminaire or luminaires and brackets indicated, and securely fastened to pole top.

D. Grounding and Bonding Lugs: Welded 1/2-inch threaded lug, complying with requirements in Division16 Section 16060 "Grounding and Bonding," listed for attaching grounding and bonding conductors of type and size listed in that Section, and accessible through handhole.

E. Brackets for Luminaires: Detachable, with pole and adapter fittings of cast aluminum. Adapter fitting welded to pole and bracket, then bolted together with stainless-steel bolts.

Indicate span and rise of luminaire brackets on Drawings.

F. Tapered oval cross section, with straight tubular end section to accommodate luminaire.

Select one of two paragraphs and associated subparagraphs below. Specify field-painting requirements in Division9 Sections. Verify compatibility of factory finishes with field-applied coats.

G. Prime-Coat Finish: Manufacturer's standard prime-coat finish ready for field painting.

H. Aluminum Finish: Comply with NAAMM's "Metal Finishes Manual for Architectural and Metal Products" for recommendations for applying and designating finishes.

1. Finish designations prefixed by AA comply with the system established by the Aluminum Association for designating aluminum finishes.

Select one of four subparagraphs and associated subparagraphs below or revise to suit Project.

2. Natural Satin Finish: Provide fine, directional, medium satin polish (AA-M32); buff complying with AA-M20; and seal aluminum surfaces with clear, hard-coat wax.

3. ClassI, Clear Anodic Finish: AA-M32C22A41 (Mechanical Finish: medium satin; Chemical Finish: etched, medium matte; Anodic Coating: Architectural ClassI, clear coating 0.018 mm or thicker) complying with AAMA611.

4. ClassI, Color Anodic Finish: AA-M32C22A42/A44 (Mechanical Finish: medium satin; Chemical Finish: etched, medium matte; Anodic Coating: Architectural ClassI, integrally colored or electrolytically deposited color coating 0.018 mm or thicker) complying with AAMA611.

a. Color: [Light bronze] [Medium bronze] [Dark bronze] [Black].

Finish below is generally available only on poles 20 feet (6 m) or less in length.

5. Gold Anodic Finish: AA-M32C22A43 (Mechanical Finish: medium satin; Chemical Finish: etched, medium matte; Anodic Coating: Architectural ClassI, impregnated color coating 0.018 mm or thicker) complying with AAMA611.

2.5 PRESTRESSED CONCRETE POLES

A. Poles: [Manufactured by centrifugal spinning process where concrete is pumped into a polished, round, tapered metal mold] [Manufactured of cast concrete].


2. Finishing: Capped at top and plugged at bottom. Seat each steel reinforcing strand with epoxy adhesive.

3. Grounding: Continuous copper ground wire cast into pole. Terminate at top of pole[and attach to 24-inch lightning rod].

B. Cure with wet steam and age for a minimum of 15 days before installation.

C. Fabricate poles with a hard, nonporous surface that is resistant to water, frost, and road and soil chemicals and that has a maximum water-absorption rate of 3 percent.

D. Cast aluminum nameplate into pole wall at approximately 5 feet above groundline, listing name of manufacturer, Project identifier, overall length, and approximate weight.

E. Pole Brackets: Comply with ANSIC136.13.

2.6 ACCESSORIES

Edit this Article to suit Project, safety codes, and luminaire servicing methods. Add requirement for removable steps if required. Coordinate below with Drawings.

A. Duplex Receptacle: 120V, 20A in a weatherproof assembly complying with Division16 Section "Wiring Devices" for ground-fault circuit-interrupter type.

Revise subparagraphs below to suit Project.

1. [Surface mounted] [Recessed], [12 inches] above pole base.

2. Nonmetallic polycarbonate plastic or reinforced fiberglass cover, that when mounted results in NEMA250, Type [3R] [4X] enclosure.

3. With cord opening.

4. With lockable hasp and latch that meets OSHA lockout and tagout requirements.

5. Minimum 1800-W transformer, protected by replaceable fuses, mounted behind access cover.

B. Cast base cover, of same material and color as pole.

C. Transformer Base: Same material and color as pole. Coordinate base dimensions to accept ballast and other specified accessories.

Accessories below are usually selected for decorative poles only; verify availability for other types of poles.

D. Decorative accessories, supplied by decorative pole manufacturer, include the following:

1. Banner Arms:

2. Flag Holders:

3. Ladder Rests:

PART 3 - EXECUTION

3.1 ERECTION, GENERAL

Coordinate first two paragraphs and associated subparagraphs below with Drawings. See Evaluations for structural and soil engineering coordination.

A. Set reinforcement for anchor bolts, nuts, and washers according to anchor-bolt templates furnished by pole manufacturer.

1. Concrete Finish: Trowel and rub smooth. For exposed finish, comply with Division3.

Retain one of first two paragraphs and associated subparagraphs below for embedded poles.

B. Embedded Poles: Set poles to depth indicated below finished grade, but not less than one-sixth of pole length.

1. Dig holes large enough to permit use of tampers in the full depth of hole.

2. Backfill in 6-inch layers and thoroughly tamp each layer so compaction of backfill is equal to or greater than that of undisturbed earth.

C. Embedded Poles: Set poles in holes augered 6 inches in diameter larger than pole diameter. Fill augered hole around pole with air-entrained concrete having a minimum compressive strength of 3000 psi at 28 days, and finish in a dome above finished grade. Cure concrete a minimum of 72 hours before performing work on pole.

D. Install poles as follows:

1. Use web fabric slings (not chain or cable) to raise and set poles.

2. Mount pole to foundation with leveling nuts, and tighten top nuts to torque level recommended by pole manufacturer.

3. Secure poles level, plumb, and square.

4. Grout void between pole base and foundation. Use nonshrink or expanding concrete grout firmly packed to fill space.

5. Use a short piece of 1/2-inch- diameter pipe to make a drain hole through grout. Arrange to drain condensation from interior of pole.

3.2 CORROSION PREVENTION

A. Aluminum: Do not use in contact with earth or concrete. When in direct contact with a dissimilar metal, protect aluminum by insulating fittings or treatment.

B. Steel Conduits: Comply with Division16 Section 16130 "Raceways and Boxes." In concrete foundations, wrap conduit with 0.010-inch- thick, pipe-wrapping plastic tape applied with a 50 percent overlap.

3.3 GROUNDING

Coordinate below with Drawings.

A. Ground metal poles/support structures according to Division16 Section 16060 "Grounding and Bonding."

1. Install grounding electrode for each pole.

2. Nonmetallic Poles: Ground metallic components of pole accessories and foundations.

3. Install grounding conductor pigtail in the base for connecting luminaire to grounding system.

END OF SECTION 02582

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lighting Poles and Standards