TRAFFIC SIGNAL HEADS SECTION 1075 750 F. Equip the top and bottom of the housing with an opening to accommodate standard 1 1/2-inch nominal diameter pipe and a Shurlock boss integrally cast into the housing.
G.Equip the housing with hinges, as lugs cast onto the side of the housing or inside the housing, and locking devices for the door.
H.Provide a one -piece, corrosion resistant, aluminum alloy die -casting, in black (federal standard color number 595B -17038) housing door for each section. Provide 2 hinge lugs cast on 1 side of the door and 2 latch points cast on the other side. Attach th e door to the housing by means of 2 straight pins. Equip the door with 2 eye bolts and wing nuts on 1 side to allow the door to open and close without the use of any tools. Provide a gasket groove on the inside of the door to accommodate a weatherproof and mildew -proof resilient gasket which, upon closing the door, seals against a raised bead on the housing, making a positive seal. Equip the outer face of the door to have 4 holes equally spaced about the circumference of the lens opening, with 4 screws to accommodate a signal head visor. Equip the door to have at least 2 index points to enable positive orientation of the lens.
1075.11 Visors.
A.Provide visors, full circle, tunnel, or cap, as shown in the contract; formed of corrosion -resistant aluminum alloy sheet not less than 0.05 -inch in thickness. Provide visors with a minimum of 7 - inches in length for nominal 8 -inch sections and 9 1/2-inches in length for nominal 12-inch sections, with a downward tilt of 3 -1/2 degrees . Equip visors with twist -on attaching slots so that removal occurs by simply loosening, not removing the mounting screws and rotating the visor.
B.Coat visors, both inside and outside, with flat black meeting federal standard color number 595B - 37038.
1075.12 Banding Hardware.
A.Provide BAND -IT 3/4 -inch, 0.030 -inch thickness, stainless steel banding material and 3/4 -inch stainless steel buckles, per contract for signal head mounting.
1075.13 Pedestrian Signal Housing.
A.Provide each pedestrian signal display housing consisting of a yellow case housing, complete with a black housing door, field terminal assembly and visor. Provide housing with the maximum overall dimensions not exceeding 18.5 -inches wide by 18.7 -inches high by 9.1 -inches deep including visor.
B.Provide a one -piece housing of a corrosion resistant aluminum alloy die -casting free of defects such as cracks and burrs, in the color yellow, federal standard 595B -13538. Equip the housing with top and bottom openings to accommodate 1 1/2-inch pipe brackets and have a Shurlock boss, or approved equal, integrally cast into the housing. Provide positive 5 -degree increment positioning of the entire signal display to eliminate rotation or misalignment of the signal display with radial angular grooves of the Shurlock boss, when used with Shurlock fittings. Equip the housing with 2 integrally cast hinge lugs and screw slots on each side. Provide a housing capable of providing a swing down housing door.
C.Provide a one -piece housing door of a corrosion resistant aluminum alloy die -casting in the color black, federal color 595B -17038. Equip the housing door with 2 hinge lugs cast on top, and 2 latch points cast on the bottom. Attach the door to housing by 2 hinge pins. Provide 2 eye bolts and
Source: Delaware Standard Specifications for Road and Bridge Construction, 2025 Edition. Pages 760–760 of 779.