Mast Arm Assembly and Pole Art. 877.02
875.04 Basis of Payment. This work will be paid for at the contract unit price
per each for TRAFFIC SIGNAL POST, of the type and length specified. When a particular kind of material is specified for the post and base assembly, the work will be paid for at the contract unit price per each for TRAFFIC SIGNAL POST, PAINTED STEEL; TRAFFIC SIGNAL POST, GALVANIZED STEEL; or TRAFFIC SIGNAL POST, ALUMINUM. SECTION 876. PEDESTRIAN PUSH-BUTTON POST
876.01 Description. This work shall consist of constructing a concrete
foundation, and furnishing and installing a pedestrian push-button post.
876.02 Materials. Materials shall be according to the following.
Item Article/Section
a.Pedestrian Push-Button Post ............................................................. 1077.02
b.Traffic Signal Post............................................................................... 1077.01
c.Portland Cement Concrete (Note 1) ....................................................... 1020 Note 1. Class SI concrete shall be used. CONSTRUCTION REQUIREMENTS
876.03 Installation. The pedestrian push-button post shall be installed plumb
on a concrete foundation according to the details shown on the plans. The Contractor shall apply an anti-seize paste compound on all nuts and bolts prior to assembly.
876.04 Basis of Payment. This work will be paid for at the contract unit price
per each for PEDESTRIAN PUSH-BUTTON POST, TYPE I or PEDESTRIAN PUSH- BUTTON POST, TYPE II. When a galvanized post is specified, the work will be paid for at the contract unit price per each for PEDESTRIAN PUSH-BUTTON POST, GALVANIZED STEEL, TYPE I or PEDESTRIAN PUSH-BUTTON POST, GALVANIZED STEEL, TYPE II. SECTION 877. MAST ARM ASSEMBLY AND POLE
877.01 Description. This work shall consist of furnishing and installing a steel
mast arm assembly and pole.
877.02 Materials. Materials shall be according to the following.
Item Article/Section
a.Mast Arm Assembly and Pole ............................................................ 1077.03 CONSTRUCTION REQUIREMENTS Art. 877.03 Traffic Signal Concrete Foundation
877.03 Installation. The components of a mast arm assembly and pole shall
be assembled and erected according to the details shown on the plans. The pole shall be erected vertically on a concrete foundation. The Contractor shall furnish and install the required nuts and washers for mounting and plumbing the pole on the anchor rods. After the entire assembly has been aligned and plumbed, a Type 304 stainless steel mesh 1/4 in. (6 mm) maximum opening with a minimum wire diameter AWG No. 16 (1.5 mm) shall be stainless steel banded to the anchor rods with a minimum 2 in. (50 mm) lap to enclose the void between the mast arm base plate and the concrete foundation. The pole shall be grounded according to Section 806. The Contractor shall take precautions to avoid scratching the galvanized coating on the mast arm pole and assembly during the transportation and erection. If it is scratched, the Contractor shall repair the galvanized coating according to ASTM A 780 and the manufacturer’s recommendations. The Contractor shall apply an anti-seize paste compound on all nuts and bolts prior to assembly.
877.04 Basis of Payment. This work will be paid for at the contract unit price
per each for STEEL MAST ARM ASSEMBLY AND POLE or STEEL COMBINATION MAST ARM ASSEMBLY AND POLE, of the signal arm length specified. SECTION 878. TRAFFIC SIGNAL CONCRETE FOUNDATION
878.01 Description. This work shall consist of constructing a concrete
foundation for a traffic signal post, controller base, or mast arm pole.
878.02 Materials. Materials shall be according to the following.
Item Article/Section
a.Portland Cement Concrete ..................................................................... 1020
b.Reinforcement Bars ....................................................................... 1006.10(a)
c.Anchor Rods ...................................................................................... 1006.09 CONSTRUCTION REQUIREMENTS
878.03 Installation. Construction requirements for reinforcement shall be
according to Section 508. The top of the foundation shall be finished level. Shimming of the appurtenance to be attached will not be permitted. A form extending a minimum of 9 in. (225 mm) and a maximum of 24 in. (600 mm) below the top surface of the foundation is required. The form shall be set level, and means shall be provided for holding it rigidly in place while the concrete is being deposited. The form shall remain undisturbed for at least 24 hours after the concrete has been poured. Where a concrete foundation is contiguous to a sidewalk, preformed joint filler of 1/2 in. (13 mm) thickness shall be placed between the foundation and the sidewalk. All raceways in the foundation shall be installed rigidly in place before concrete is deposited in the form. Bushings shall be provided at the ends of conduit. Anchor rods and ground rod shall be set in place before the concrete is deposited by means of a template constructed to space the anchor rods according to the pattern of the bolt holes in the base of the appurtenance to be attached.
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Source: Illinois Standard Specifications for Road and Bridge Construction, 2022 Edition. Pages 752–753 of 1,217. View official source ↗