591-1 Description.
Furnish and install landscape sleeves for irrigation pipes and wires in accordance with the Plans and Standard Plans, Index 59 1-001.
591-2 Materials.
Meet the following requirements : Schedule 40 Polyvinyl Chloride (PVC) pipe ......Section 630
591-3 Installation Requirements.
591-3.1 General: Construct sleeve s along a straight alignment at the location and
depth shown in the Plans. Deviations in location or alignment may be made with prior approval of the Engineer. Provide a minimum of 24 inches between irrigation sleeve s and other utilities.
591-3.2 Backfill: Backfill in accordance with Section 120.
591-3.3 Coated Conductive Tape : Install coated conductive tape directly above
the sleeves with the repeated warning of “CAUTION WATER LINE BURIED BELOW,” unless otherwise shown in the Plans. 591.3.4 Pull String : Install a continuous No. 12 American Wire Gauge pull wire or polypropylene cord within the full length of all sleeves. Ensur e that a minimum of 36 inches of pull string is accessible at each sleeve termination. 591.3.5 Sleeve Terminations: Terminate the sleeves as shown in Standard Plans, Index 591. Fit sleeve caps at all terminations with a removable PVC threaded or slip cap . Install a survey marker cap fastened to a 18 inch by 24 inch long permanent marker made of No. 5 rebar, a steel survey stake, or 4 inch square concrete monument above the terminating end of all sleeve pairs. Ensure that the top of cap is flush to grade with message “IRRIGATION SLEEVE” permanently imprinted on the top of monument, and will not peel, fade, or deteriorate.
591-4 Method of Measurement.
The quantity to be paid will be the plan quantity of landscape irrigation sleeve in place and accepted. No separate payment will be made for contractor’s choice of installation method.
591-5 Basis of Payment.
Price and payment will be full compensation for all work specified in this Section. Payment will be made under: Item No. 591 - 1- Landscape Irrigation Sleeve - per foot. FY 2023-24 Return to Table of Contents TRAFFIC CONTROL SIGNALS AND DEVICES SECTION 603 GENERAL REQUIREMENTS FOR TRAFFIC CONTROL SIGNALS AND DEVICES
603-1 Description.
The provisions contained in this Section include general requirements for all traffic control signals and devices.
603-2 Equipment and Materials.
603-2.1 General: Only use traffic control signals and devices that are listed on the
Department’s Approved Product List (APL). Manufacturers seeking evaluation of their products for the APL must submit an applicatio n in accordance with Section 6. Only use new equipment and materials, except as specified in the Contract.
603-2.2 Exceptions: The Department may grant exceptions to the requirements of
603-2.1 by permit to evaluate new technology or for other circumsta nces that are found to be in
the public interest.
603-2.3 Uniformity: Only use compatible units of any one item of equipment, such as
signal heads, detectors, controllers, cabinets, poles, signal system or interconnection equipment, etc.
603-2.4 Hardware and Fittings Used for Installation: Ensure that all assembly
hardware, including nuts, bolts, external screws and locking washers less than 5/8 inch in diameter, are Type 304 or 316 passivated stainless steel. Use stainless steel bolts, screws and studs meeting the requirements of ASTM F593. Use nuts meeting the requirements of ASTM F594. Ensure all assembly hardware greater than or equal to 5/8 inch in diameter is galvanized. Use bolts, studs, and threaded rod meeting the requirements of ASTM A307. Use structural bolts meeting the requirements of ASTM F3125, Grade A325. Use high-strength steel anchor bolts and U -bolts, having a minimum yield strength of 55,000 psi and a minimum ultimate strength of 90,000 psi.
603-2.5 Galvanizing: Meet the requirements of Section 962 when galvanizing for fittings
and appurtenances for all structural steel (including steel poles).
603-2.6 Environmental Specifications: Ensure system electronics intended for
installation outdoors or within a roadside cabinet satisfactoril y performs all required functions during and after being subjected to the environmental testing described in National Electrical Manufacturers Association (NEMA) TS2, 2.2.7, 2.2.8, and 2.2.9.
603-3 Definitions.
Traffic Control Signals and Devices: Any signal or device; manually, electrically or mechanically operated, by which traffic is alternately directed to stop and permitted to proceed or controlled in any manner. Traffic control signals and devices regulate, warn, or guide traffic on, over or adjacent to a street, highway, pedestrian facility, or bikeway by authority of a public agency having jurisdiction. Traffic control signals and devices include, but are not limited to, controller assemblies (controller c abinets and their contents); signal heads including their hanging or mounting devices; vehicle detection systems ; pedestrian detection systems; motorist FY 2023-24 Return to Table of Contents