1020.04 Poles for Traffic Si Gnal Systems.
1020.04.1 Pedestal Signal Poles: The pole shall be in accordance
with the plans. The base of the pedestal pole shall be cast iron or aluminum and shall be at least 16 inches wide at the bottom, at least 16 inches high and shall be octagonal. The upper end of the base shall be threaded to receive a 4 -inch diameter pipe shaft. The base shall be designed so that it may be fastened to the f oundation using 5/8 -inch-by-16-inch anchor bolts located 90 degrees apart on the circumference of a circle 12 -3/4 inches in diameter. The base shall contain a removable door to allow access to anchor bolts and to permit cable splicing. This door shall be fastened to the base using a hex head stainless steel screw into a threaded hole in the base. The shaft shall be 4 inches in inside diameter welded steel tubing with a minimum 1/8 -inch wall thickness. The lower end of the shaft shall be welded to a 6 -inch nipple to screw into the base. This shaft shall be a single piece of tubing. Apply paint or powder coat to match the color of the signal heads.
1020.04.2 Steel Signal Strain Pole:
1020.04.2 1 General: Poles and fittings shall be in accordance
with the plans and shall be ga lvanized in accordance with Section 811 . Poles shall be suitable for a minimum horizontal load of 4,000 pounds applied 1 foot below the top of pole.
1020.04.2 2 Pole Shaft: The pole shaft shall have a minimum
base diameter of 11 inches and a maximum base diameter of 11 3/4 inches. The pole shaft shall be tapered to 7 1/2 inch minimum to 8 1/2 inch maximum diameter at the top. The pole shaft may have a round or octagonal cross section. A removable cap shall be used to cover the top of the pole shaft. The pole shall be designed so that its maximum deflection is as shown in Table 1020 -3.
1020.04 Poles for Traffic Si Gnal Systems.
1020.04.1 Pedestal Signal Poles: The pole shall be in accordance
with the plans. The base of the pedestal pole shall be cast iron or aluminum and shall be at least 16 inches wide at the bottom, at least 16 inches high and shall be octagonal. The upper end of the base shall be threaded to receive a 4 -inch diameter pipe shaft. The base shall be designed so that it may be fastened to the f oundation using 5/8 -inch-by-16-inch anchor bolts located 90 degrees apart on the circumference of a circle 12 -3/4 inches in diameter. The base shall contain a removable door to allow access to anchor bolts and to permit cable splicing. This door shall be fastened to the base using a hex head stainless steel screw into a threaded hole in the base. The shaft shall be 4 inches in inside diameter welded steel tubing with a minimum 1/8 -inch wall thickness. The lower end of the shaft shall be welded to a 6 -inch nipple to screw into the base. This shaft shall be a single piece of tubing. Apply paint or powder coat to match the color of the signal heads.
1020.04.2 Steel Signal Strain Pole:
1020.04.2 1 General: Poles and fittings shall be in accordance
with the plans and shall be ga lvanized in accordance with Section 811 . Poles shall be suitable for a minimum horizontal load of 4,000 pounds applied 1 foot below the top of pole.
1020.04.2 2 Pole Shaft: The pole shaft shall have a minimum
base diameter of 11 inches and a maximum base diameter of 11 3/4 inches. The pole shaft shall be tapered to 7 1/2 inch minimum to 8 1/2 inch maximum diameter at the top. The pole shaft may have a round or octagonal cross section. A removable cap shall be used to cover the top of the pole shaft. The pole shall be designed so that its maximum deflection is as shown in Table 1020 -3.
1020.04 Poles for Traffic Si Gnal Systems.
1020.04.1 Pedestal Signal Poles: The pole shall be in accordance
with the plans. The base of the pedestal pole shall be cast iron or aluminum and shall be at least 16 inches wide at the bottom, at least 16 inches high and shall be octagonal. The upper end of the base shall be threaded to receive a 4 -inch diameter pipe shaft. The base shall be designed so that it may be fastened to the f oundation using 5/8 -inch-by-16-inch anchor bolts located 90 degrees apart on the circumference of a circle 12 -3/4 inches in diameter. The base shall contain a removable door to allow access to anchor bolts and to permit cable splicing. This door shall be fastened to the base using a hex head stainless steel screw into a threaded hole in the base. The shaft shall be 4 inches in inside diameter welded steel tubing with a minimum 1/8 -inch wall thickness. The lower end of the shaft shall be welded to a 6 -inch nipple to screw into the base. This shaft shall be a single piece of tubing. Apply paint or powder coat to match the color of the signal heads.
1020.04.2 Steel Signal Strain Pole:
1020.04.2 1 General: Poles and fittings shall be in accordance
with the plans and shall be ga lvanized in accordance with Section 811 . Poles shall be suitable for a minimum horizontal load of 4,000 pounds applied 1 foot below the top of pole.
1020.04.2 2 Pole Shaft: The pole shaft shall have a minimum
base diameter of 11 inches and a maximum base diameter of 11 3/4 inches. The pole shaft shall be tapered to 7 1/2 inch minimum to 8 1/2 inch maximum diameter at the top. The pole shaft may have a round or octagonal cross section. A removable cap shall be used to cover the top of the pole shaft. The pole shall be designed so that its maximum deflection is as shown in Table 1020 -3.
1020.04 Poles for Traffic Si Gnal Systems.
1020.04.1 Pedestal Signal Poles: The pole shall be in accordance
with the plans. The base of the pedestal pole shall be cast iron or aluminum and shall be at least 16 inches wide at the bottom, at least 16 inches high and shall be octagonal. The upper end of the base shall be threaded to receive a 4 -inch diameter pipe shaft. The base shall be designed so that it may be fastened to the f oundation using 5/8 -inch-by-16-inch anchor bolts located 90 degrees apart on the circumference of a circle 12 -3/4 inches in diameter. The base shall contain a removable door to allow access to anchor bolts and to permit cable splicing. This door shall be fastened to the base using a hex head stainless steel screw into a threaded hole in the base. The shaft shall be 4 inches in inside diameter welded steel tubing with a minimum 1/8 -inch wall thickness. The lower end of the shaft shall be welded to a 6 -inch nipple to screw into the base. This shaft shall be a single piece of tubing. Apply paint or powder coat to match the color of the signal heads.
1020.04.2 Steel Signal Strain Pole:
1020.04.2 1 General: Poles and fittings shall be in accordance
with the plans and shall be ga lvanized in accordance with Section 811 . Poles shall be suitable for a minimum horizontal load of 4,000 pounds applied 1 foot below the top of pole.
1020.04.2 2 Pole Shaft: The pole shaft shall have a minimum
base diameter of 11 inches and a maximum base diameter of 11 3/4 inches. The pole shaft shall be tapered to 7 1/2 inch minimum to 8 1/2 inch maximum diameter at the top. The pole shaft may have a round or octagonal cross section. A removable cap shall be used to cover the top of the pole shaft. The pole shall be designed so that its maximum deflection is as shown in Table 1020 -3.
1020.04 Poles for Traffic Si Gnal Systems.
1020.04.1 Pedestal Signal Poles: The pole shall be in accordance
with the plans. The base of the pedestal pole shall be cast iron or aluminum and shall be at least 16 inches wide at the bottom, at least 16 inches high and shall be octagonal. The upper end of the base shall be threaded to receive a 4 -inch diameter pipe shaft. The base shall be designed so that it may be fastened to the f oundation using 5/8 -inch-by-16-inch anchor bolts located 90 degrees apart on the circumference of a circle 12 -3/4 inches in diameter. The base shall contain a removable door to allow access to anchor bolts and to permit cable splicing. This door shall be fastened to the base using a hex head stainless steel screw into a threaded hole in the base. The shaft shall be 4 inches in inside diameter welded steel tubing with a minimum 1/8 -inch wall thickness. The lower end of the shaft shall be welded to a 6 -inch nipple to screw into the base. This shaft shall be a single piece of tubing. Apply paint or powder coat to match the color of the signal heads.
1020.04.2 Steel Signal Strain Pole:
1020.04.2 1 General: Poles and fittings shall be in accordance
with the plans and shall be ga lvanized in accordance with Section 811 . Poles shall be suitable for a minimum horizontal load of 4,000 pounds applied 1 foot below the top of pole.
1020.04.2 2 Pole Shaft: The pole shaft shall have a minimum
base diameter of 11 inches and a maximum base diameter of 11 3/4 inches. The pole shaft shall be tapered to 7 1/2 inch minimum to 8 1/2 inch maximum diameter at the top. The pole shaft may have a round or octagonal cross section. A removable cap shall be used to cover the top of the pole shaft. The pole shall be designed so that its maximum deflection is as shown in Table 1020 -3. Table 1020 -3 Steel Pole Deflection Pole Length, ft Maximum Deflection, in/100 lb 26 0.25 28 0.30 30 0.38 The pole base shall be designed to fit a 16 inches diameter bolt pattern utilizing four 1 -3/4 inches 5NC threaded anchor bolts. The base shall have the manufacturer’s name and pole height stenciled on it and shall be readable from the outside of the pole. The stencil shall be legible after galvanizing.
1020.04.2 3 Hand Holes and Bosses: A hand hole shall be
provided approximately 18 inches above the base with approximate dimensions of 4 inches by 6 1/2 inches and cover shall be provided. The cover shall be restrained to the pole with a 15 inch No. 35 stainless steel chain fastened to the cover and to the inside of the hand hole so that the chain will be inside the pole after the cover is installed on the pole. There shall be no sharp edges on the cover, in the hand hole, or in the pole. The cover shall have the manufacturer's name and the pole height stenciled on it, readable from the outside of the pole. The stencil shall be legible after galvanizing. The hand hole strain bar shall be formed to provide a mechanical lock against the hand hole to prevent turning. No obstructions shall be in the hand hole with the cover removed. A Underwriters Laboratories (U.L.) approved grounding lug shall be provided with each pole. Grou nd lug shall accept a #6 AWG solid bare copper ground wire. All poles shall have one 1 -inch and one 3 -inch boss centered on a horizontal line 18 inches from the base and one 1 -inch and two 3 -inch bosses 18 inches from the top. When facing the bosses, the 1-inch boss shall be 35 degrees ±3 degrees to the right of the 3 -inch boss. The 3 -inch boss shall be located 180 degrees from the hand hole. The bosses at the top of the pole shall be in line with the bosses at the bottom. The poles shall be shipped with all bosses plugged using galvanized steel conduit plugs installed to full thread depth. On octagonal poles the 3 -inch boss shall be centered on one face that is parallel to one edge of the base plate.
1020.04.2 4 Pole Hardware: Furnish anchor bolts in accordance
with the standard details. Anchor bolts shall be 1 3/4 inch, 5 NC thread with a yield strength of 105,000 psi and be hot dipped galvanized for the Table 1020 -3 Steel Pole Deflection Pole Length, ft Maximum Deflection, in/100 lb 26 0.25 28 0.30 30 0.38 The pole base shall be designed to fit a 16 inches diameter bolt pattern utilizing four 1 -3/4 inches 5NC threaded anchor bolts. The base shall have the manufacturer’s name and pole height stenciled on it and shall be readable from the outside of the pole. The stencil shall be legible after galvanizing.
1020.04.2 3 Hand Holes and Bosses: A hand hole shall be
provided approximately 18 inches above the base with approximate dimensions of 4 inches by 6 1/2 inches and cover shall be provided. The cover shall be restrained to the pole with a 15 inch No. 35 stainless steel chain fastened to the cover and to the inside of the hand hole so that the chain will be inside the pole after the cover is installed on the pole. There shall be no sharp edges on the cover, in the hand hole, or in the pole. The cover shall have the manufacturer's name and the pole height stenciled on it, readable from the outside of the pole. The stencil shall be legible after galvanizing. The hand hole strain bar shall be formed to provide a mechanical lock against the hand hole to prevent turning. No obstructions shall be in the hand hole with the cover removed. A Underwriters Laboratories (U.L.) approved grounding lug shall be provided with each pole. Grou nd lug shall accept a #6 AWG solid bare copper ground wire. All poles shall have one 1 -inch and one 3 -inch boss centered on a horizontal line 18 inches from the base and one 1 -inch and two 3 -inch bosses 18 inches from the top. When facing the bosses, the 1-inch boss shall be 35 degrees ±3 degrees to the right of the 3 -inch boss. The 3 -inch boss shall be located 180 degrees from the hand hole. The bosses at the top of the pole shall be in line with the bosses at the bottom. The poles shall be shipped with all bosses plugged using galvanized steel conduit plugs installed to full thread depth. On octagonal poles the 3 -inch boss shall be centered on one face that is parallel to one edge of the base plate.
1020.04.2 4 Pole Hardware: Furnish anchor bolts in accordance
with the standard details. Anchor bolts shall be 1 3/4 inch, 5 NC thread with a yield strength of 105,000 psi and be hot dipped galvanized for the Table 1020 -3 Steel Pole Deflection Pole Length, ft Maximum Deflection, in/100 lb 26 0.25 28 0.30 30 0.38 The pole base shall be designed to fit a 16 inches diameter bolt pattern utilizing four 1 -3/4 inches 5NC threaded anchor bolts. The base shall have the manufacturer’s name and pole height stenciled on it and shall be readable from the outside of the pole. The stencil shall be legible after galvanizing.
1020.04.2 3 Hand Holes and Bosses: A hand hole shall be
provided approximately 18 inches above the base with approximate dimensions of 4 inches by 6 1/2 inches and cover shall be provided. The cover shall be restrained to the pole with a 15 inch No. 35 stainless steel chain fastened to the cover and to the inside of the hand hole so that the chain will be inside the pole after the cover is installed on the pole. There shall be no sharp edges on the cover, in the hand hole, or in the pole. The cover shall have the manufacturer's name and the pole height stenciled on it, readable from the outside of the pole. The stencil shall be legible after galvanizing. The hand hole strain bar shall be formed to provide a mechanical lock against the hand hole to prevent turning. No obstructions shall be in the hand hole with the cover removed. A Underwriters Laboratories (U.L.) approved grounding lug shall be provided with each pole. Grou nd lug shall accept a #6 AWG solid bare copper ground wire. All poles shall have one 1 -inch and one 3 -inch boss centered on a horizontal line 18 inches from the base and one 1 -inch and two 3 -inch bosses 18 inches from the top. When facing the bosses, the 1-inch boss shall be 35 degrees ±3 degrees to the right of the 3 -inch boss. The 3 -inch boss shall be located 180 degrees from the hand hole. The bosses at the top of the pole shall be in line with the bosses at the bottom. The poles shall be shipped with all bosses plugged using galvanized steel conduit plugs installed to full thread depth. On octagonal poles the 3 -inch boss shall be centered on one face that is parallel to one edge of the base plate.
1020.04.2 4 Pole Hardware: Furnish anchor bolts in accordance
with the standard details. Anchor bolts shall be 1 3/4 inch, 5 NC thread with a yield strength of 105,000 psi and be hot dipped galvanized for the top 12 inches and comply with ASTM A193 -B7. Furnish one additional anchor bolt for acceptance testing by th e Department.
1020.04.3 Steel Signal Mast Arm Poles:
1020.04.3 1 50 Feet Single, 45 Feet x 40 Feet Dual and
Less: All mast arms 50 feet single, 45 feet x 40 feet dual and less shall be required to conform to AASHTO 1994. All mast arm designs will be approved by State Traffic Signal Engineer. Mast arms and fittings shall be galvanized in accordance with Section 811. The height of poles, shaft dimensions, and wall thickness shall meet the design requirements and mounting height of traffic signals set forth in the project specifications and in the plans. The length of arms shall be as shown on the plans. Standards shall consist of straight or uniformly tapered shafts, cylindrical or oc tagonal in cross section, having a base welded to the lower end with anchor bolts. Castings shall be clean and smooth with details well defined and true to pattern. Mechanical control shall prevent the arm from twisting on the shaft. Friction is not acc eptable. Mast arms shall be compatible with poles in materials, strength, shape, and size. Mast arms shall slip fit on the shaft.
1020.04.3 1.1 Hand Holes and Bosses: A hand hole shall
be provided for access to the wireway at the union of the arm and the pole shaft. Bosses shall be 1 1/2 FPT in the mast arm and set at 45 degrees from horizontal (downward rotation at the center of the boss, 0 degrees toward the arm top). Bosses shall be located a horizontal distance of 10 feet apart, the first located 16 inches from the top of the arm. The number of bosses required is listed in Table 1020 -4. Table 1020 -4 Steel Signal Support Standards Shaft Shaft Base Plate Arm Length, ft Number of Bosses Diameter, Inches, Max. Bolt Circle, Inches, Max. 15 -20 2 10 14 1/2 25-30 3 12 15 35-50 4 13 16 top 12 inches and comply with ASTM A193 -B7. Furnish one additional anchor bolt for acceptance testing by th e Department.
1020.04.3 Steel Signal Mast Arm Poles:
1020.04.3 1 50 Feet Single, 45 Feet x 40 Feet Dual and
Less: All mast arms 50 feet single, 45 feet x 40 feet dual and less shall be required to conform to AASHTO 1994. All mast arm designs will be approved by State Traffic Signal Engineer. Mast arms and fittings shall be galvanized in accordance with Section 811. The height of poles, shaft dimensions, and wall thickness shall meet the design requirements and mounting height of traffic signals set forth in the project specifications and in the plans. The length of arms shall be as shown on the plans. Standards shall consist of straight or uniformly tapered shafts, cylindrical or oc tagonal in cross section, having a base welded to the lower end with anchor bolts. Castings shall be clean and smooth with details well defined and true to pattern. Mechanical control shall prevent the arm from twisting on the shaft. Friction is not acc eptable. Mast arms shall be compatible with poles in materials, strength, shape, and size. Mast arms shall slip fit on the shaft.
1020.04.3 1.1 Hand Holes and Bosses: A hand hole shall
be provided for access to the wireway at the union of the arm and the pole shaft. Bosses shall be 1 1/2 FPT in the mast arm and set at 45 degrees from horizontal (downward rotation at the center of the boss, 0 degrees toward the arm top). Bosses shall be located a horizontal distance of 10 feet apart, the first located 16 inches from the top of the arm. The number of bosses required is listed in Table 1020 -4. Table 1020 -4 Steel Signal Support Standards Shaft Shaft Base Plate Arm Length, ft Number of Bosses Diameter, Inches, Max. Bolt Circle, Inches, Max. 15 -20 2 10 14 1/2 25-30 3 12 15 35-50 4 13 16 top 12 inches and comply with ASTM A193 -B7. Furnish one additional anchor bolt for acceptance testing by th e Department.
1020.04.3 Steel Signal Mast Arm Poles:
1020.04.3 1 50 Feet Single, 45 Feet x 40 Feet Dual and
Less: All mast arms 50 feet single, 45 feet x 40 feet dual and less shall be required to conform to AASHTO 1994. All mast arm designs will be approved by State Traffic Signal Engineer. Mast arms and fittings shall be galvanized in accordance with Section 811. The height of poles, shaft dimensions, and wall thickness shall meet the design requirements and mounting height of traffic signals set forth in the project specifications and in the plans. The length of arms shall be as shown on the plans. Standards shall consist of straight or uniformly tapered shafts, cylindrical or oc tagonal in cross section, having a base welded to the lower end with anchor bolts. Castings shall be clean and smooth with details well defined and true to pattern. Mechanical control shall prevent the arm from twisting on the shaft. Friction is not acc eptable. Mast arms shall be compatible with poles in materials, strength, shape, and size. Mast arms shall slip fit on the shaft.
1020.04.3 1.1 Hand Holes and Bosses: A hand hole shall
be provided for access to the wireway at the union of the arm and the pole shaft. Bosses shall be 1 1/2 FPT in the mast arm and set at 45 degrees from horizontal (downward rotation at the center of the boss, 0 degrees toward the arm top). Bosses shall be located a horizontal distance of 10 feet apart, the first located 16 inches from the top of the arm. The number of bosses required is listed in Table 1020 -4. Table 1020 -4 Steel Signal Support Standards Shaft Shaft Base Plate Arm Length, ft Number of Bosses Diameter, Inches, Max. Bolt Circle, Inches, Max. 15 -20 2 10 14 1/2 25-30 3 12 15 35-50 4 13 16 top 12 inches and comply with ASTM A193 -B7. Furnish one additional anchor bolt for acceptance testing by th e Department.
1020.04.3 Steel Signal Mast Arm Poles:
1020.04.3 1 50 Feet Single, 45 Feet x 40 Feet Dual and
Less: All mast arms 50 feet single, 45 feet x 40 feet dual and less shall be required to conform to AASHTO 1994. All mast arm designs will be approved by State Traffic Signal Engineer. Mast arms and fittings shall be galvanized in accordance with Section 811. The height of poles, shaft dimensions, and wall thickness shall meet the design requirements and mounting height of traffic signals set forth in the project specifications and in the plans. The length of arms shall be as shown on the plans. Standards shall consist of straight or uniformly tapered shafts, cylindrical or oc tagonal in cross section, having a base welded to the lower end with anchor bolts. Castings shall be clean and smooth with details well defined and true to pattern. Mechanical control shall prevent the arm from twisting on the shaft. Friction is not acc eptable. Mast arms shall be compatible with poles in materials, strength, shape, and size. Mast arms shall slip fit on the shaft.
1020.04.3 1.1 Hand Holes and Bosses: A hand hole shall
be provided for access to the wireway at the union of the arm and the pole shaft. Bosses shall be 1 1/2 FPT in the mast arm and set at 45 degrees from horizontal (downward rotation at the center of the boss, 0 degrees toward the arm top). Bosses shall be located a horizontal distance of 10 feet apart, the first located 16 inches from the top of the arm. The number of bosses required is listed in Table 1020 -4. Table 1020 -4 Steel Signal Support Standards Shaft Shaft Base Plate Arm Length, ft Number of Bosses Diameter, Inches, Max. Bolt Circle, Inches, Max. 15 -20 2 10 14 1/2 25-30 3 12 15 35-50 4 13 16
1020.04.3 1.2 Hanger Plate:
A hanger plate and horizontal boss shall be at the tip of the arm. The arm shall have an up -sweep design. Design load on the arm shall be sufficient to place a signal head at each boss.
1020.04.3 1.3 Design Requirements: For establishing the
loads, applied to each structure, the weights and projected areas of Table 1020 -5 shall be used for traffic signal heads. Table 1020 -5 Steel Signal Support Standards Design Requirements Projected Area Per Signal Type1 Design Weight Per Signal, pounds1 Less Backplates, square feet Backplates, square feet 1-Way, 3 Section 1-Way, 4 Section 2-Way, 3 + 3 Sections 3-Way, 3+3+3 Sections 4-Way, 3+3+3+3 Sections 4.8 6.6 8.7 13.35 13.2 8.9 11.2 12.2 15.6 15.6 1When signal heads of a type different from that shown above are used, the weights and projected area shown above shall be increased for the equipment proposed for use. Adjusted values shall be based on the use of 12 -inch diameter lenses and backplates (when used) extending 5 inches beyond signal enclosure.
1020.04.3 1.4 Standard Shaft: The standard shaft base shall
have a minimum diameter of 11 inches. Mast arm standards shall be provided with a transformer type base. Each pole shall be bolted to transformer base with four hex head bolts with two washers and one nut for each bolt.
1020.04.3 1.5 Transformer Base: The transformer base
shall be approximately 20 inches high. The top of the transformer base shall have four 1 1/2 -inche s-by-2 1/2 -inches slots for bolting the pole to the transformer base. The 2 1/2 -inches dimension of the slot shall be centered