Light Tower Art. 835.03
830.05 Basis of Payment. Wood poles will be paid for at the contract unit
price per each for LIGHT POLE, WOOD, of the length, class and arm (quantity and length) type specified. All other light poles will be paid for at the contract unit price per each for LIGHT POLE, of the material type, mounting height, and arm (quantity and length) type specified. When breakaway devices are specified, the devices will be measured and paid for separately according to Articles 838.04 and 838.05. SECTION 831. RESERVED SECTION 832. RESERVED SECTION 833. RESERVED SECTION 834. RESERVED SECTION 835. LIGHT TOWER
835.01 Description. This work shall consist of furnishing and installing a light
tower complete with lowering device, and all hardware and accessories required for a complete operating unit.
835.02 Materials. Materials shall be according to the following.
Item Article/Section
a.Light Tower ........................................................................................ 1069.08
b.Pole/Unit Identification ....................................................................... 1069.06
c.Transformer ....................................................................................... 1068.02 CONSTRUCTION REQUIREMENTS
835.03 Submittals and Certifications. Shop drawings, product data, and
certifications shall be submitted to the Engineer for approval. The submitted information shall be complete, neatly organized in a binder, and shall include information relative to all specified requirements suitable for verification of compliance. In general, light tower submittal information shall be dated, current, project specific, identified as to the project, and shall include the following.
a.Dimensioned shaft drawings and details.
b.Shaft design calculations, including Registered Engineer Certification. Art. 835.03 Light Tower
c.Shaft material data, including finish information.
d.Welding details and procedures.
e.Letter of intent to provide specified weld inspection reports.
f.Confirmation of coordination between anchor rod supplier and tower manufacturer for adequacy of anchor rod assembly.
g.Manufacturer’s recommended installation procedures.
h.Letter of intent to provide manufacturer’s representative during installation and to provide specified installation certification.
i.Lowering device data, including electrical details.
835.04 Shipment and Installation. The light tower, luminaire ring, etc., and
hardware shall be packaged during shipment to protect all surfaces from being scratched, marred, chipped, or damaged in any way. Prior to installation, the tower and all its components will be inspected by the Engineer and any parts found to be damaged or defective shall be replaced. Any minor damage to a completely painted light tower surface shall be touched up in a professional manner as approved by the paint manufacturer. The tower shall be set plumb on the foundation and fastened to the anchor rods with double nuts and washers. Flat washers shall be installed below and above the base plate of the tower. Locknuts with nylon or steel inserts shall be installed on top of the top nut. The nuts shall be tightened in compliance with torque specifications recommended by the manufacturer of the tower. The space between the finished top of the foundation and the bottom of the base plate of the tower shall be enclosed with a metal screen according to Article 733.08. The screen shall be carefully positioned to eliminate small gaps that could allow the entry of rodents. Grouting shall not be used to enclose the above described space. The light tower shall be straight and centered on its longitudinal axis, under no- wind conditions, so, when examined with a transit from any direction, the deviation from the normal shall not exceed 1/8 in. in 3 ft (3 mm in 1 m) within any 5 ft (1.5 m) of height, with total deviation not to exceed 3 in. (75 mm) from the vertical axis through the center of the tower base. The assembly and installation of light towers shall be supervised by a qualified representative of the tower or lowering device manufacturer. On-site supervision shall be provided on the first day of tower assembly and installation. Support by telephone shall be available thereafter. At the time of the final inspection, the Contractor shall provide to the Engineer the manufacturer’s written certification, signed by their supervising representative, that all towers and lowering devices have been properly installed. The entire coordinated assembly shall be warranted by the tower or lowering device manufacturer in accordance with Article 801.14. Pole Foundation Art. 836.03
835.05 Basis of Payment. This work will be paid for at the contract unit price
per each for LIGHT TOWER, of the mounting heights, luminaire mounting positions, and finish specified. The concrete foundation and luminaires will be paid for according to Sections 837 and 821, respectively. FOUNDATIONS AND BREAKAWAY DEVICES SECTION 836. POLE FOUNDATION
836.01 Description. This work shall consist of constructing or furnishing and
installing a light pole foundation.
836.02 Materials. Materials shall be according to the following.
Item Article/Section
a.Portland Cement Concrete ..................................................................... 1020
b.Anchor Rods ...................................................................................... 1070.02
c.Light Pole Foundation, Metal ............................................................. 1070.01
d.Fine Aggregate .................................................................................. 1003.04 CONSTRUCTION REQUIREMENTS
836.03 Installation. Foundations installed within the clear zone (unless
behind guardrail) shall not protrude more than 4 in. (100 mm) above the finished grade within a 5 ft (1.5 m) chord across the foundation, with anchor rods and breakaway device included. If foundation heights, including anchor rods and fractured breakaway device extend beyond these specified limits, the foundation shall be replaced.
a.Drilled Shaft Foundations. Drilled shaft foundations shall be constructed according to Section 516 and the following. The submittal requirements as stated in Article 516.04 shall not apply and the entire length of the drilled shaft shall be vibrated. Grounding electrodes shall be according to Section 806. The raceway and full length anchor rods shall be properly positioned and secured in the augered hole prior to placing the concrete. The bend radius of the anchor rods shall be at least four times the rod diameter. The wiring window shall be perpendicular to the roadway. After installation of cable, voids within the wiring window shall be filled with fine aggregate. The top of the foundation shall be constructed level. A liner or form shall be used to produce a uniform smooth side to the top of the foundation. The depth of the form shall be as shown on the plans.
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Source: Illinois Standard Specifications for Road and Bridge Construction, 2022 Edition. Pages 724–726 of 1,217. View official source ↗