SECTION 16114

CABLE TRAYS

PART 1 GENERAL

SECTION INCLUDES

Cable trays and accessories.

RELATED SECTIONS

Section 07270 - Firestopping.

Section 16121 - Insulated Wire and Cable.

Section 16190 - Supports.

REFERENCES

ANSI/NFPA 70 - National Electrical Code.

ASTM A 123 - Specification for Zinc (Hot-Galvanized) Coatings on Products Fabricated from Rolled, Pressed, and Forged Steel Shapes, Plates, Bars, and Strip.

ASTM A 525 - General Requirements for Steel Sheet, Zinc-Coated Galvanized by the Hot-Dip Process.

NEMA FG 1 - Fiberglass Cable Tray Systems.

NEMA VE 1 - Metallic Cable Tray Systems.

SUBMITTALS

Submit under provisions of Section [01300] [_____].

Shop Drawings: Indicate tray type, dimensions, support points, and finishes.

Product Data: Provide data for fittings and accessories.

Manufacturer's Instructions:	Indicate application conditions and limitations of use stipulated by Product testing agency specified under Regulatory Requirements. Include instructions for storage, handling, protection, examination, preparation, installation, and starting of Product.

PROJECT RECORD DOCUMENTS

Submit under provisions of Section [01700] [_____].

Record actual routing of cable tray and locations of supports.

QUALIFICATIONS

Manufacturer: Company specializing in manufacturing Products specified in this Section with minimum [three] [_____] years [documented] experience.

REGULATORY REQUIREMENTS

Conform to requirements of ANSI/NFPA 70.

Furnish products listed and classified by [Underwriters Laboratories, Inc.] [testing firm acceptable to authority having jurisdiction] as suitable for purpose specified and shown.

PART 2 PRODUCTS

MANUFACTURERS

[________________________________] Model [_________].

[________________________________] Model [_________].

[________________________________] Model [_________].

Substitutions: Under provisions of Section [01600] [_____].

LADDER-TYPE CABLE TRAY

Description:	NEMA VE 1, Class [20C] [___] ladder type tray.

Material: [Steel] [Aluminum].

Finish: [ASTM A 123, hot dipped galvanized after fabrication] [ASTM A 525, mill-galvanized before fabrication] [Painted with [gray] [_____] epoxy] [PVC coated].

Inside Width: [[6] [12] [18] [24] [30] [36] inches ([150] [300] [450] [600] [750] [900] mm)] [As indicated].

E	Inside Depth: [[3] [4] [5] [6] inches ([75] [100] [125] [150] mm)] [As indicated].

Straight Section Rung Spacing: [6] [9] [12] [18] inches ([150] [225] [300] [450] mm) on center.

Inside Radius of Fittings: [[12] [24] [36] inches ([300] [600] [900] mm)] [As indicated].

Provide manufacturer's standard clamps, hangers, brackets, splice plates, reducer plates, blind ends, barrier strips, connectors, and grounding straps.

Covers: [Flanged,] [Non-flanged,] [solid] [ventilated] [flush] [raised] cover.

TROUGH-TYPE CABLE TRAY

Description:	NEMA VE 1, Class [20C] [___] trough type tray.

Material: [Steel] [Aluminum].

Finish: [ASTM A 123, hot dipped galvanized after fabrication] [ASTM A 525, mill-galvanized before fabrication] [Painted with [gray] [_____] epoxy] [PVC coated].

Inside Width: [[6] [12] [18] [24] [30] [36] inches ([150] [300] [450] [600] [750] [900] mm)] [As indicated].

Inside Depth: [[3] [4] [5] [6] inches ([75] [100] [125] [150] mm)] [As indicated].

Inside Radius of Fittings: [[12] [24] [36] inches ([300] [600] [900] mm)] [As indicated].

Provide manufacturer's standard clamps, hangers, brackets, splice plates, reducer plates, blind ends, barrier strips, connectors, and grounding straps.

Covers: [Flanged,] [Non-flanged,] [solid] [ventilated] [flush] [raised] cover.

SOLID-BOTTOM-TYPE CABLE TRAY

Description:	NEMA VE 1, Class [20C] [___] solid bottom cable tray.

Material: [Steel] [Aluminum].

Finish: [ASTM A 123, hot dipped galvanized after fabrication] [ASTM A 525, mill-galvanized before fabrication] [Painted with [gray] [_____] epoxy] [PVC coated].

Inside Width: [[6] [12] [18] [24] [30] [36] inches ([150] [300] [450] [600] [750] [900] mm)] [As indicated].

Inside Depth: [[3] [4] [5] [6] inches ([75] [100] [120] [150] mm)] [As indicated].

Inside Radius of Fittings: [[12] [24] [36] inches ([300] [600] [900] mm)] [As indicated].

Provide manufacturer's standard clamps, hangers, brackets, splice plates, reducer plates, blind ends, barrier strips, connectors, and grounding straps.

Covers: [Flanged,] [Non-flanged,] [solid] [ventilated] [flush] [raised] cover.

CHANNEL-TYPE CABLE TRAY

Description:	NEMA VE 1, Class [20C] [___], [solid bottom] [ventilated bottom] channel type cable tray.

Material: [Steel] [Aluminum].

Finish: [ASTM A 123, hot dipped galvanized after fabrication.] [ASTM A 525, mill-galvanized before fabrication.] [Painted with [gray] [_____] epoxy.] [PVC coated, [gray] [____] color.]

Inside Width: [[3] [4] inches ([75] [100] mm)] [As indicated].

Outside Depth: [[1-1/4] [1-3/4] inches ([32] [44] mm)] [As indicated].

Inside Radius of Fittings: [[12] [24] [36] inches ([300] [600] [900] mm)] [As indicated].

Provide manufacturer's standard clamps, hangers, brackets, splice plates, reducer plates, blind ends, barrier strips, connectors, and grounding straps.

Covers: Flanged, [solid] [ventilated] cover.

FIBERGLASS LADDER-TYPE CABLE TRAY

Description:	NEMA FG 1, Class [20C] [___] ladder type tray.

Material: Fiberglass.

Inside Width: [[6] [12] [18] [24] [30] [36] inches ([150] [300] [450] [600] [750] [900] mm)] [As indicated].

Inside Depth: [[3] [4] [5] [6] inches ([75] [100] [125] [150] mm)] [As indicated].

Straight Section Rung Spacing: [6] [9] [12] [18] inches ([150] [225] [300] [450] mm) on center.

Inside Radius of Fittings: [[12] [24] [36] inches ([300] [600] [900] mm)] [As indicated].

Provide manufacturer's standard clamps, hangers, brackets, splice plates, reducer plates, blind ends, barrier strips, and connectors.

Covers: [Flanged,] [Non-flanged,] [solid] [ventilated] [flush] [raised] cover.

FIBERGLASS TROUGH-TYPE CABLE TRAY

Description:	NEMA FG 1, Class [20C] [___] trough type tray.

Material: Fiberglass.

Inside Width: [[6] [12] [18] [24] [30] [36] inches ([150] [300] [450] [600] [750] [900] mm)] [As indicated].

Inside Depth: [[3] [4] [5] [6] inches ([75] [100] [125] [150] mm)] [As indicated].

Inside Radius of Fittings: [[12] [24] [36] inches ([300] [600] [900] mm)] [As indicated].

Provide manufacturer's standard clamps, hangers, brackets, splice plates, reducer plates, blind ends, barrier strips, and connectors.

Covers: [Flanged,] [Non-flanged,] [solid] [ventilated] [flush] [raised] cover.

FIBERGLASS SOLID-BOTTOM-TYPE CABLE TRAY

Description:	NEMA FG 1, Class [20C] [___] solid bottom cable tray.

Material: Fiberglass.

Inside Width: [[6] [12] [18] [24] [30] [36] inches ([150] [300] [450] [600] [750] [900] mm)] [As indicated].

Inside Depth: [[3] [4] [5] [6] inches ([75] [100] [120] [150] mm)] [As indicated].

Inside Radius of Fittings: [[12] [24] [36] inches ([300] [600] [900] mm)] [As indicated].

Provide manufacturer's standard clamps, hangers, brackets, splice plates, reducer plates, blind ends, barrier strips, and connectors.

Covers: [Flanged,] [Non-flanged,] [solid] [ventilated] [flush] [raised] cover.

FIBERGLASS CHANNEL-TYPE CABLE TRAY

Description:	NEMA FG 1, Class [20C] [___], [solid bottom] [ventilated] channel type cable tray.

Material: Fiberglass.

Inside Width: [[3] [4] inches ([75] [100] mm)] [As indicated].

Outside Depth: [[1-1/4] [1-3/4] inches ([32] [44] mm)] [As indicated].

Inside Radius of Fittings: [[12] [24] [36] inches ([300] [600] [900] mm)] [As indicated].

Provide manufacturer's standard clamps, hangers, brackets, splice plates, reducer plates, blind ends, barrier strips, and connectors.

Covers: Flanged, [solid] [ventilated] cover.

WARNING SIGNS

Engraved Nameplates:	[1/2] [___] inch ([13] [___] mm) high black letters on yellow laminated plastic nameplate, engraved with the following wording:

WARNING! DO NOT USE CABLE TRAY AS WALKWAY, LADDER, OR SUPPORT. USE ONLY AS MECHANICAL SUPPORT FOR CABLES AND TUBING!

PART 3 EXECUTION

INSTALLATION

Install in accordance with manufacturer's instructions.

Install metallic cable tray in accordance with NEMA VE 1.

Install fiberglass cable tray in accordance with NEMA FG 1.

Support trays in accordance with Section 16190. Provide supports at each connection point, at the end of each run, and at other points to maintain spacing between supports of [____] ft ([_____] m) maximum.

Use expansion connectors where required.

Ground and bond cable tray under provisions of Section 16170.

Provide continuity between tray components.

Use anti-oxidant compound to prepare aluminum contact surfaces before assembly.

Provide 2 AWG bare [copper] [aluminum] equipment grounding conductor through entire length of tray; bond to each component.

Connections to tray may be made using mechanical or exothermic connectors.

Install warning signs at [50] [___] ft ([15] [___] m) centers along cable tray, located to be visible.

END OF SECTION