- 214 - SECTION 413 -- LIGHTING CONTROL CENTERS
413.01 Description
1.New Lighting Control Center: The Contractor shall furnish and install a new lighting control center of the size and type shown in the contract. This work includes the relay, disconnect, contactor, pole, control cabinets, grounding devices, photo control, conduit, concrete, fittings, excavating, backfilling, compacting, and all other items required for a complete in stallation.
2.Relocate Existing Control Center: The Contractor shall relocate the lighting control center as shown in th e contract. The lighting control center shall be carefully dismantled, stor ed, and protected from damage. The Engineer may designate specific areas for temporary storage of the materials. The lighting control center sh all be installed at the described new location and connected electrically as shown in the contract. Missing or damaged components shall be replaced by the Contractor before final payment will be made.
3.Temporary Lighting Control Center : The Contractor shall install the temporary lighting control center as described in the contract.
4.Department Furnished Material:
a.If the Department is furnishing the lighting control center, the items and the location where they are to be picked up will be shown in the contract. The Contractor shall provid e all other materials required for a complete installation and shall install all materials as shown in the contract.
b.The Contractor shall contac t the Engineer for additional details associated with obtaining the Departm ent-furnished material. The Engineer will supply the Contractor with a completed "Stock Requisition." The Contractor will not be issued material s without a properly completed "Stock Requisition."
413.02 Material Requirements
1.Lighting control centers shall c onform to the requirements shown in the contract and Section 1073.
413.03 Construction Methods
1.Control Center Location:
a.The location at which the Cont ractor is to install the lighting control center has been prearranged with the local utility and this location will be shown in the contract. Lighting control center locations are approximate and subject to change.
b.The Contractor shall be requ ired to contact the Utility Company and the Department prior to installing t he conduit, cable, and lighting control center to determine if the location for the electrical service remains as shown in the contract. If the location for the service has changed, the Contractor shall advise the Engineer of this change and shall not install the lighting control center, conduit and cable unt il he has received the Engineer’s approval of a new location.
c.The Contractor shall be fu lly responsible for installing the lighting control center at its correct location. If installed at an incorrect Lighting Control Centers 413.05 - 215 - location, the Contractor will be required to move the control center to its correct location at no addit ional cost to the State.
2.The Contractor shall assemble the lighting control center in accordance with the manufacturer's instructions and the details shown in the contract or as directed by the Engineer.
3.The Contractor shall take appr opriate action to insure that all conduits within cabinets are clear of any braces or equipment which would interfere with cable runs. Unless indicated otherwise, one extra 1 1/2 inch (38 mm) conduit bend, with the ends capped, shall be installed in each pad mounted lighting control ce nter cabinet foundation.
413.04 Method of Measurement
1.Lighting control centers s hall be measured by the each.
413.05 Basis of Payment
1.Pay Item Pay Unit Lighting Control Center, Type _____ Each (ea) Install Lighting Control Center, Each (ea) Type _____ Relocate Lighting Control Center, Each (ea) Type _____
2.Replacement of missing or dam aged components will be paid for as extra work according to Section 109. Any damage or lost components by the Contractor shall be replaced at no cost to the Department.
3.Payment is full compensation for all work described in this Section. - 216 - SECTION 414 -- HIGH MAST LOWERING SYSTEMS
414.01 Description
1.The Contractor shall furnish and install a new high mast lowering system on a new or existing tower as indicated in the contract. This work shall include a headframe, headframe cove r, luminaire support ring, bracket arms, hoist winch and winch cables, hoist cables, internal power unit, and all labor, equipment, tools, and incidentals necessary to complete the work.
2.The Contractor shall be responsible for any damage to any portion of the lighting system caused by the Contractor.
414.02 Material Requirements
1.High mast lowering system s shall be on the Department’s Approved Products List.
414.03 Construction Methods
1.The Contractor shall be responsible for any modifications necessary to the tower to accommodate the high mast lowering system.
2.The Contractor shall install th e new high mast lowering system on a new or existing tower in accordance with the manufacturer's instructions and recommendations.
3.Installation of a new high mast tower lowering system may require some modification to the tower. Modifications shall be made as detailed by the Manufacturer and reviewed by the Engineer.
4.The manufacturer's representative shall be present, on site, to advise the Contractor durin g the installation and testing of the first complete lowering system. Duties of the manufact urer's representative shall include, but not be limited to, the following:
a.Directing all adjustment to the lowering system to ensure positive latching and unlatching. This will consist of a minimum of 3 complete raising and lowering cycles.
b.Training the maintaining utility company and/or Department personnel in the methods of proper maintenance to avoid lowering system malfunctions along with the proper pr ocedures to follow in the event of a hoist malfunction.
414.04 Method of Measurement
1.High mast lowering systems, furnished and installed on existing high mast towers, will be measured by the each.
414.05 Basis of Payment
1.Pay Item Pay Unit High Mast Lowering System, Type _____ Each (ea)
2.A high mast lowering system furnished by the Contractor and installed on a new tower will not be paid for directly, but will be considered subsidiary to the new high mast tower.
3.Payment is full compensation for all work described in this Section.
Source: Nebraska Standard Specifications for Highway Construction, 2017 Edition. Pages 248–249 of 1,048.