The bracket at the supported end of the signal section shall be 1 1/2 -inch conduit for wiring and a fitting with cover for access to the wire -way. The bracket at the opposite end of the section may be either the same as the top or solid. A set screw engaging a drilled hole shall be provided a t each joint on the bracket where conduit type joints are used or an equivalent locking device shall be provided. The attachment point for mounting on the bracket shall be a 2 -inch opening. When slip -fit is used, the section shall come complete with the necessary nuts and washers for 1 1/2 -inch conduit. Provisions shall be made for a positive lock to prevent accidental bracket rotation. Locking may be accomplished by means of serrations, detents, set screws, or similar devices. Friction locking will not be acceptable. An acceptable alternative to the 1 1/2-inch conduit will be a tri -stud type fitting with washer. Tri -stud length shall be 1 1/2 inches. Unused openings of signal sections shall be closed with a standard waterproof plug for a 1 1/2 -inch op ening. The minimum length of the plug shall be 1 1/2 -inches. The exposed portions of plugs shall be painted to match the color of the signal heads. Carbon steel components shall be galvanized in accordance with ASTM A153. Apply paint or powder coat to ma tch the color of the signal heads.
1020.01.5 Signal Mounts: Signal sections and beacon sections
shall be as shown on the plans and shall be suitable for one of the following standard mounts. The type mount for each will be specified in the plans.
1020.01.5 1 Support Cable Mo unt: Support cable mounted
signals shall come with a disconnect hanger and clamp described in
1020.07 Signs shall be mounted with a Span Wire Sign Bracket
approved on the Traffic Operation Approved Product List.
1020.01.5 2 Pedestal Mount: Pedestal mounts sh all be
furnished with a slip fitting for placement on a 4 -inch inside diameter pipe pedestal having set screws for correct alignment of the signal. Provisions for the entrance of signal cables shall be incorporated into the design of the The bracket at the supported end of the signal section shall be 1 1/2 -inch conduit for wiring and a fitting with cover for access to the wire -way. The bracket at the opposite end of the section may be either the same as the top or solid. A set screw engaging a drilled hole shall be provided a t each joint on the bracket where conduit type joints are used or an equivalent locking device shall be provided. The attachment point for mounting on the bracket shall be a 2 -inch opening. When slip -fit is used, the section shall come complete with the necessary nuts and washers for 1 1/2 -inch conduit. Provisions shall be made for a positive lock to prevent accidental bracket rotation. Locking may be accomplished by means of serrations, detents, set screws, or similar devices. Friction locking will not be acceptable. An acceptable alternative to the 1 1/2-inch conduit will be a tri -stud type fitting with washer. Tri -stud length shall be 1 1/2 inches. Unused openings of signal sections shall be closed with a standard waterproof plug for a 1 1/2 -inch op ening. The minimum length of the plug shall be 1 1/2 -inches. The exposed portions of plugs shall be painted to match the color of the signal heads. Carbon steel components shall be galvanized in accordance with ASTM A153. Apply paint or powder coat to ma tch the color of the signal heads.
1020.01.5 Signal Mounts: Signal sections and beacon sections
shall be as shown on the plans and shall be suitable for one of the following standard mounts. The type mount for each will be specified in the plans.
1020.01.5 1 Support Cable Mo unt: Support cable mounted
signals shall come with a disconnect hanger and clamp described in
1020.07 Signs shall be mounted with a Span Wire Sign Bracket
approved on the Traffic Operation Approved Product List.
1020.01.5 2 Pedestal Mount: Pedestal mounts sh all be
furnished with a slip fitting for placement on a 4 -inch inside diameter pipe pedestal having set screws for correct alignment of the signal. Provisions for the entrance of signal cables shall be incorporated into the design of the The bracket at the supported end of the signal section shall be 1 1/2 -inch conduit for wiring and a fitting with cover for access to the wire -way. The bracket at the opposite end of the section may be either the same as the top or solid. A set screw engaging a drilled hole shall be provided a t each joint on the bracket where conduit type joints are used or an equivalent locking device shall be provided. The attachment point for mounting on the bracket shall be a 2 -inch opening. When slip -fit is used, the section shall come complete with the necessary nuts and washers for 1 1/2 -inch conduit. Provisions shall be made for a positive lock to prevent accidental bracket rotation. Locking may be accomplished by means of serrations, detents, set screws, or similar devices. Friction locking will not be acceptable. An acceptable alternative to the 1 1/2-inch conduit will be a tri -stud type fitting with washer. Tri -stud length shall be 1 1/2 inches. Unused openings of signal sections shall be closed with a standard waterproof plug for a 1 1/2 -inch op ening. The minimum length of the plug shall be 1 1/2 -inches. The exposed portions of plugs shall be painted to match the color of the signal heads. Carbon steel components shall be galvanized in accordance with ASTM A153. Apply paint or powder coat to ma tch the color of the signal heads.
1020.01.5 Signal Mounts: Signal sections and beacon sections
shall be as shown on the plans and shall be suitable for one of the following standard mounts. The type mount for each will be specified in the plans.
1020.01.5 1 Support Cable Mo unt: Support cable mounted
signals shall come with a disconnect hanger and clamp described in
1020.07 Signs shall be mounted with a Span Wire Sign Bracket
approved on the Traffic Operation Approved Product List.
1020.01.5 2 Pedestal Mount: Pedestal mounts sh all be
furnished with a slip fitting for placement on a 4 -inch inside diameter pipe pedestal having set screws for correct alignment of the signal. Provisions for the entrance of signal cables shall be incorporated into the design of the bracket assembly. The bracket assembly shall incorporate a weatherproof terminal compartment or box with a removable cover allowing complete access. The box shall be a suitable size to accommodate, and shall come equipped with, a terminal strip with terminals equal to the number of signal indications in the signal heads plus one or more for common and for equipment ground. The terminal compartment shall be neat in appearance and shall be adjacent to or near the pedestal mount. In no case shall feed wires be required to p ass through a signal section or face to reach the terminal compartment. A terminal compartment integral with the bracket will be permitted. Apply paint or powder coat to match the color of the signal heads.
1020.01.5 3 Mast Arm Mount: This mount shall be furnished
and installed. Only Signal Head Mast Arm Brackets on the Traffic Operations Approved Products List will be accepted. Signs shall be mounted with a Mast Arm Traffic Sign Mounting Bracket listed on the Traffic Operation Approved Product List.
1020.01.5 4 Side Mount: This mount shall be furnished for
attaching brackets to vertical supports as shown on the plans. The bracket mounting hub shall accept 1 1/2 -inch conduit and provide for a wire opening equivalent to a 1 1/2 -inch condulet. For timber pole installation, the side mounts shall have a vertical entrance for 1 -inch conduit. Apply paint or powder coat to match the color of the signal heads.
1020.01.5 5 Flashing Beacon Signal Mount: The flashing
beacon signal shall attach to the support cable by a bracket as shown on the plans. The bracket shall be provided with a cable entrance adapter with provisions for balancing and securing the signal. Apply paint or powder coat to match the color of the signal heads.
1020.01.6 Backplates: Only backplates listed on the Traffic
Operations App roved Products List will be accepted.
1020.01.7 Disconnect Hanger for Traffic Signal Head: The
hanger shall provide a means for connecting and disconnecting the signal head electrically and mechanically from signal support cable and span wire without use of tools . The hanger, with top and bottom attachments and clamps, shall not increase signal height from the span wire to the bottom of the signal by more than 6 inches. Apply paint or powder coat to match the color of the signal heads. bracket assembly. The bracket assembly shall incorporate a weatherproof terminal compartment or box with a removable cover allowing complete access. The box shall be a suitable size to accommodate, and shall come equipped with, a terminal strip with terminals equal to the number of signal indications in the signal heads plus one or more for common and for equipment ground. The terminal compartment shall be neat in appearance and shall be adjacent to or near the pedestal mount. In no case shall feed wires be required to p ass through a signal section or face to reach the terminal compartment. A terminal compartment integral with the bracket will be permitted. Apply paint or powder coat to match the color of the signal heads.
1020.01.5 3 Mast Arm Mount: This mount shall be furnished
and installed. Only Signal Head Mast Arm Brackets on the Traffic Operations Approved Products List will be accepted. Signs shall be mounted with a Mast Arm Traffic Sign Mounting Bracket listed on the Traffic Operation Approved Product List.
1020.01.5 4 Side Mount: This mount shall be furnished for
attaching brackets to vertical supports as shown on the plans. The bracket mounting hub shall accept 1 1/2 -inch conduit and provide for a wire opening equivalent to a 1 1/2 -inch condulet. For timber pole installation, the side mounts shall have a vertical entrance for 1 -inch conduit. Apply paint or powder coat to match the color of the signal heads.
1020.01.5 5 Flashing Beacon Signal Mount: The flashing
beacon signal shall attach to the support cable by a bracket as shown on the plans. The bracket shall be provided with a cable entrance adapter with provisions for balancing and securing the signal. Apply paint or powder coat to match the color of the signal heads.
1020.01.6 Backplates: Only backplates listed on the Traffic
Operations App roved Products List will be accepted.
1020.01.7 Disconnect Hanger for Traffic Signal Head: The
hanger shall provide a means for connecting and disconnecting the signal head electrically and mechanically from signal support cable and span wire without use of tools . The hanger, with top and bottom attachments and clamps, shall not increase signal height from the span wire to the bottom of the signal by more than 6 inches. Apply paint or powder coat to match the color of the signal heads. bracket assembly. The bracket assembly shall incorporate a weatherproof terminal compartment or box with a removable cover allowing complete access. The box shall be a suitable size to accommodate, and shall come equipped with, a terminal strip with terminals equal to the number of signal indications in the signal heads plus one or more for common and for equipment ground. The terminal compartment shall be neat in appearance and shall be adjacent to or near the pedestal mount. In no case shall feed wires be required to p ass through a signal section or face to reach the terminal compartment. A terminal compartment integral with the bracket will be permitted. Apply paint or powder coat to match the color of the signal heads.
1020.01.5 3 Mast Arm Mount: This mount shall be furnished
and installed. Only Signal Head Mast Arm Brackets on the Traffic Operations Approved Products List will be accepted. Signs shall be mounted with a Mast Arm Traffic Sign Mounting Bracket listed on the Traffic Operation Approved Product List.
1020.01.5 4 Side Mount: This mount shall be furnished for
attaching brackets to vertical supports as shown on the plans. The bracket mounting hub shall accept 1 1/2 -inch conduit and provide for a wire opening equivalent to a 1 1/2 -inch condulet. For timber pole installation, the side mounts shall have a vertical entrance for 1 -inch conduit. Apply paint or powder coat to match the color of the signal heads.
1020.01.5 5 Flashing Beacon Signal Mount: The flashing
beacon signal shall attach to the support cable by a bracket as shown on the plans. The bracket shall be provided with a cable entrance adapter with provisions for balancing and securing the signal. Apply paint or powder coat to match the color of the signal heads.
1020.01.6 Backplates: Only backplates listed on the Traffic
Operations App roved Products List will be accepted.
1020.01.7 Disconnect Hanger for Traffic Signal Head: The
hanger shall provide a means for connecting and disconnecting the signal head electrically and mechanically from signal support cable and span wire without use of tools . The hanger, with top and bottom attachments and clamps, shall not increase signal height from the span wire to the bottom of the signal by more than 6 inches. Apply paint or powder coat to match the color of the signal heads. bracket assembly. The bracket assembly shall incorporate a weatherproof terminal compartment or box with a removable cover allowing complete access. The box shall be a suitable size to accommodate, and shall come equipped with, a terminal strip with terminals equal to the number of signal indications in the signal heads plus one or more for common and for equipment ground. The terminal compartment shall be neat in appearance and shall be adjacent to or near the pedestal mount. In no case shall feed wires be required to p ass through a signal section or face to reach the terminal compartment. A terminal compartment integral with the bracket will be permitted. Apply paint or powder coat to match the color of the signal heads.
1020.01.5 3 Mast Arm Mount: This mount shall be furnished
and installed. Only Signal Head Mast Arm Brackets on the Traffic Operations Approved Products List will be accepted. Signs shall be mounted with a Mast Arm Traffic Sign Mounting Bracket listed on the Traffic Operation Approved Product List.
1020.01.5 4 Side Mount: This mount shall be furnished for
attaching brackets to vertical supports as shown on the plans. The bracket mounting hub shall accept 1 1/2 -inch conduit and provide for a wire opening equivalent to a 1 1/2 -inch condulet. For timber pole installation, the side mounts shall have a vertical entrance for 1 -inch conduit. Apply paint or powder coat to match the color of the signal heads.
1020.01.5 5 Flashing Beacon Signal Mount: The flashing
beacon signal shall attach to the support cable by a bracket as shown on the plans. The bracket shall be provided with a cable entrance adapter with provisions for balancing and securing the signal. Apply paint or powder coat to match the color of the signal heads.
1020.01.6 Backplates: Only backplates listed on the Traffic
Operations App roved Products List will be accepted.
1020.01.7 Disconnect Hanger for Traffic Signal Head: The
hanger shall provide a means for connecting and disconnecting the signal head electrically and mechanically from signal support cable and span wire without use of tools . The hanger, with top and bottom attachments and clamps, shall not increase signal height from the span wire to the bottom of the signal by more than 6 inches. Apply paint or powder coat to match the color of the signal heads. bracket assembly. The bracket assembly shall incorporate a weatherproof terminal compartment or box with a removable cover allowing complete access. The box shall be a suitable size to accommodate, and shall come equipped with, a terminal strip with terminals equal to the number of signal indications in the signal heads plus one or more for common and for equipment ground. The terminal compartment shall be neat in appearance and shall be adjacent to or near the pedestal mount. In no case shall feed wires be required to p ass through a signal section or face to reach the terminal compartment. A terminal compartment integral with the bracket will be permitted. Apply paint or powder coat to match the color of the signal heads.
1020.01.5 3 Mast Arm Mount: This mount shall be furnished
and installed. Only Signal Head Mast Arm Brackets on the Traffic Operations Approved Products List will be accepted. Signs shall be mounted with a Mast Arm Traffic Sign Mounting Bracket listed on the Traffic Operation Approved Product List.
1020.01.5 4 Side Mount: This mount shall be furnished for
attaching brackets to vertical supports as shown on the plans. The bracket mounting hub shall accept 1 1/2 -inch conduit and provide for a wire opening equivalent to a 1 1/2 -inch condulet. For timber pole installation, the side mounts shall have a vertical entrance for 1 -inch conduit. Apply paint or powder coat to match the color of the signal heads.
1020.01.5 5 Flashing Beacon Signal Mount: The flashing
beacon signal shall attach to the support cable by a bracket as shown on the plans. The bracket shall be provided with a cable entrance adapter with provisions for balancing and securing the signal. Apply paint or powder coat to match the color of the signal heads.
1020.01.6 Backplates: Only backplates listed on the Traffic
Operations App roved Products List will be accepted.
1020.01.7 Disconnect Hanger for Traffic Signal Head: The
hanger shall provide a means for connecting and disconnecting the signal head electrically and mechanically from signal support cable and span wire without use of tools . The hanger, with top and bottom attachments and clamps, shall not increase signal height from the span wire to the bottom of the signal by more than 6 inches. Apply paint or powder coat to match the color of the signal heads. bracket assembly. The bracket assembly shall incorporate a weatherproof terminal compartment or box with a removable cover allowing complete access. The box shall be a suitable size to accommodate, and shall come equipped with, a terminal strip with terminals equal to the number of signal indications in the signal heads plus one or more for common and for equipment ground. The terminal compartment shall be neat in appearance and shall be adjacent to or near the pedestal mount. In no case shall feed wires be required to p ass through a signal section or face to reach the terminal compartment. A terminal compartment integral with the bracket will be permitted. Apply paint or powder coat to match the color of the signal heads.
1020.01.5 3 Mast Arm Mount: This mount shall be furnished
and installed. Only Signal Head Mast Arm Brackets on the Traffic Operations Approved Products List will be accepted. Signs shall be mounted with a Mast Arm Traffic Sign Mounting Bracket listed on the Traffic Operation Approved Product List.
1020.01.5 4 Side Mount: This mount shall be furnished for
attaching brackets to vertical supports as shown on the plans. The bracket mounting hub shall accept 1 1/2 -inch conduit and provide for a wire opening equivalent to a 1 1/2 -inch condulet. For timber pole installation, the side mounts shall have a vertical entrance for 1 -inch conduit. Apply paint or powder coat to match the color of the signal heads.
1020.01.5 5 Flashing Beacon Signal Mount: The flashing
beacon signal shall attach to the support cable by a bracket as shown on the plans. The bracket shall be provided with a cable entrance adapter with provisions for balancing and securing the signal. Apply paint or powder coat to match the color of the signal heads.
1020.01.6 Backplates: Only backplates listed on the Traffic
Operations App roved Products List will be accepted.
1020.01.7 Disconnect Hanger for Traffic Signal Head: The
hanger shall provide a means for connecting and disconnecting the signal head electrically and mechanically from signal support cable and span wire without use of tools . The hanger, with top and bottom attachments and clamps, shall not increase signal height from the span wire to the bottom of the signal by more than 6 inches. Apply paint or powder coat to match the color of the signal heads. The hanger shall be as shown on the plans and shall conform to the requirements of the clamp, housing and terminal block, plug, and adapter.
1020.01.7 1 Clamp: The clamp shall be capable of attaching to a
1/4-inch to 7/16 -inch support cable and shall attach to or be integral with a balance ad justing device and a suitable weatherproof entrance for signal cable. The support cable clamp shall utilize a minimum of two “J” or “U” type bolts 3/8 -inch or larger. A 5/8 -inch clevis type suspension clamp shall be provided with a 5/8 -inch diameter. Th e balance adjustor shall be suitable for mating with a clevis -type clamp having a horizontal clearance of 5/8 inch and pin of 5/8 -inch. All steel shall be galvanized in accordance with ASTM A153.
1020.01.7 2 Housing: Only Traffic Signal Heads on the Traffic
Operat ions Approved Products List will be accepted. The housing and accessories shall be high -strength aluminum alloy and shall be equipped with a door of similar material. The door shall be held shut by a device operable with one hand without use of tools and shall not be easily removable. The door, when open, shall provide complete access to the interior of the housing and shall include a device to hold the door open while working inside the hanger if it will not remain open. The housing shall be equipped wi th two or more weatherproofed openings for signal cable entrance. The openings shall be equipped with suitable bushings for cable protection. Cable entrances shall be capable of accommodating three signal cables 11/16 -inch in diameter. The housing shall be provided with a permanently mounted clamping device to prevent the cable from twisting. The clamping device shall not damage the cable jacket, insulation, or break wires. The housing shall be provided with a 3 1/2 -inch-by-3 1/2 -inch cast aluminum flang e adaptor as shown on the plans for connecting to the signal head or bracket.
1020.01.7 3 Terminal Block and Plug: An easily accessible
pressure type terminal block shall be located in the housing and shall accommodate from twelve or eighteen separate lines, as spe cified. Each terminal shall be permanently numbered for identification, shall accommodate a minimum of two AWG No. 12 conductors, and shall be sufficiently rugged to permit tightening for proper electrical connection without damaging the wire. The termina l block shall be wired to a multi -circuit female jack connector mounted in the housing and aligned in accordance with the plans. The hanger shall be as shown on the plans and shall conform to the requirements of the clamp, housing and terminal block, plug, and adapter.
1020.01.7 1 Clamp: The clamp shall be capable of attaching to a
1/4-inch to 7/16 -inch support cable and shall attach to or be integral with a balance ad justing device and a suitable weatherproof entrance for signal cable. The support cable clamp shall utilize a minimum of two “J” or “U” type bolts 3/8 -inch or larger. A 5/8 -inch clevis type suspension clamp shall be provided with a 5/8 -inch diameter. Th e balance adjustor shall be suitable for mating with a clevis -type clamp having a horizontal clearance of 5/8 inch and pin of 5/8 -inch. All steel shall be galvanized in accordance with ASTM A153.
1020.01.7 2 Housing: Only Traffic Signal Heads on the Traffic
Operat ions Approved Products List will be accepted. The housing and accessories shall be high -strength aluminum alloy and shall be equipped with a door of similar material. The door shall be held shut by a device operable with one hand without use of tools and shall not be easily removable. The door, when open, shall provide complete access to the interior of the housing and shall include a device to hold the door open while working inside the hanger if it will not remain open. The housing shall be equipped wi th two or more weatherproofed openings for signal cable entrance. The openings shall be equipped with suitable bushings for cable protection. Cable entrances shall be capable of accommodating three signal cables 11/16 -inch in diameter. The housing shall be provided with a permanently mounted clamping device to prevent the cable from twisting. The clamping device shall not damage the cable jacket, insulation, or break wires. The housing shall be provided with a 3 1/2 -inch-by-3 1/2 -inch cast aluminum flang e adaptor as shown on the plans for connecting to the signal head or bracket.
1020.01.7 3 Terminal Block and Plug: An easily accessible
pressure type terminal block shall be located in the housing and shall accommodate from twelve or eighteen separate lines, as spe cified. Each terminal shall be permanently numbered for identification, shall accommodate a minimum of two AWG No. 12 conductors, and shall be sufficiently rugged to permit tightening for proper electrical connection without damaging the wire. The termina l block shall be wired to a multi -circuit female jack connector mounted in the housing and aligned in accordance with the plans. The hanger shall be as shown on the plans and shall conform to the requirements of the clamp, housing and terminal block, plug, and adapter.
1020.01.7 1 Clamp: The clamp shall be capable of attaching to a
1/4-inch to 7/16 -inch support cable and shall attach to or be integral with a balance ad justing device and a suitable weatherproof entrance for signal cable. The support cable clamp shall utilize a minimum of two “J” or “U” type bolts 3/8 -inch or larger. A 5/8 -inch clevis type suspension clamp shall be provided with a 5/8 -inch diameter. Th e balance adjustor shall be suitable for mating with a clevis -type clamp having a horizontal clearance of 5/8 inch and pin of 5/8 -inch. All steel shall be galvanized in accordance with ASTM A153.
1020.01.7 2 Housing: Only Traffic Signal Heads on the Traffic
Operat ions Approved Products List will be accepted. The housing and accessories shall be high -strength aluminum alloy and shall be equipped with a door of similar material. The door shall be held shut by a device operable with one hand without use of tools and shall not be easily removable. The door, when open, shall provide complete access to the interior of the housing and shall include a device to hold the door open while working inside the hanger if it will not remain open. The housing shall be equipped wi th two or more weatherproofed openings for signal cable entrance. The openings shall be equipped with suitable bushings for cable protection. Cable entrances shall be capable of accommodating three signal cables 11/16 -inch in diameter. The housing shall be provided with a permanently mounted clamping device to prevent the cable from twisting. The clamping device shall not damage the cable jacket, insulation, or break wires. The housing shall be provided with a 3 1/2 -inch-by-3 1/2 -inch cast aluminum flang e adaptor as shown on the plans for connecting to the signal head or bracket.
1020.01.7 3 Terminal Block and Plug: An easily accessible
pressure type terminal block shall be located in the housing and shall accommodate from twelve or eighteen separate lines, as spe cified. Each terminal shall be permanently numbered for identification, shall accommodate a minimum of two AWG No. 12 conductors, and shall be sufficiently rugged to permit tightening for proper electrical connection without damaging the wire. The termina l block shall be wired to a multi -circuit female jack connector mounted in the housing and aligned in accordance with the plans.