808 LIGHTING STRUCTURES

From SHA MediaWiki
Jump to navigation Jump to search
This is not a legal document. Please see disclaimer for more information.
808.01 DESCRIPTION
Furnish and install steel and aluminum lighting poles, bracket arms, and fittings.
808.02 MATERIALS
Cast Iron       909.04
Hardware       909.10
Conduit       950.10
Lighting Structures       950.07
Galvanization       A123
Stainless Steel Hardware       A167, Type 302
Aluminum Castings       B26 or B108, alloy 356-T6
Anchor Base Plate for Aluminum Structures       B209, 6000 series alloy
808.03 CONSTRUCTION
Refer to Section 801 for concrete foundations.
Perform all fabrication and welding as specified in Section 430. After forming and welding, the pole shall have a smooth finish with only one longitudinal weld and no transverse welds. When fully assembled, install each lighting structure so that the pole is plumb.
Use a metallic arc consumable electrode inert gas shielded process for all welding for aluminum poles. After welding, the entire assembly shall be precipitation heat treated to the T-6 temper by an approved method and rotary sand finished.
All aluminum poles shall be furnished with internal vibration dampening devices.
Bracket Arms. Secure bracket arms to the poles as specified in the manufacturer’s recommendations. Install each bracket arm perpendicular to the travel lane, unless otherwise specified.
808.04 MEASUREMENT AND PAYMENT
The payment will be full compensation for all material, labor, equipment, tools, and incidentals necessary to complete the work.
808.04.01  Lighting Structures will be measured and paid for at the Contract unit price per each pole height, bracket arm length, and material type.
808.04.02  Concrete foundations will be measured and paid for as specified in 801.04.
808.04.03  Breakaway base support systems, when specified in the Contract Documents, will be measured and paid for as specified in 821.04.
808.04.04  Bracket arms for signal structures or wood poles will be measured and paid for at the Contract unit price per each for the pertinent Bracket Arm item.