MATERIAL SPECIFICATION FOR LUMINAIRE RAISING AND LOWERING EQUIPMENT

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1 ONTARIO PROVINCIAL STANDARD SPECIFICATION METRIC OPSS 2476 JANUARY 1990 MATERIAL SPECIFICATION FOR LUMINAIRE RAISING AND LOWERING EQUIPMENT SCOPE REFERENCES MATERIALS TABLE OF CONTENTS Raising and Lowering Mechanism.02 Luminaire Support Ring.03 Portable Power Unit.04 Support Cables and Fittings.05 Head Assembly.06 Electrical Cables and Equipment Electrical Wiring.02 Electrical Connections.03 Electrical Panel.04 Jumper Cable PRODUCTION Welding.02 Galvanizing AUTHORITY PURCHASE OF MATERIAL BY PURCHASE ORDER Technical Information to be Supplied to the Bidder.02 Technical Information to be Provided in Quotations.03 Shop Drawings.04 Inspection.05 Packaging and Shipment.06 Measurement for Payment.07 Basis of Payment DESIGNATED SOURCES REQUIREMENTS Page 1 Rev. Date: 01/1990 OPSS 2476

2 SCOPE This specification covers the requirements of luminaire raising and lowering equipment for high mast lighting poles REFERENCES This specification refers to the following standards, specifications or publications: Canadian Standards Association: CSA C22.2 No. 38-M1986 Thermosetting Insulated Wires and Cables CSA C22.2 No. 42-M1984 General Use Receptacles, Plugs and Similar Wiring Devices CSA C22.2 No CSA C CAN/CSA-G40.21-M87 CSA G164-M1981 CSA W47.1-M1983 CSA W59-M1989 Flexible Cords and Cables Non-Linear Resistor, Valve Type Lightning Arresters for Alternating Current Systems Structural Quality Steels Hot Dip Galvanizing of Irregularly Shaped Articles Certification of Companies for Fusion Welding of Steel Structures Welded Steel Construction, Metal Arc Welding American Association of State Highway and Transportation Officials: AASHTO M111-80, 1986 Zinc, Hot-Galvanized Coatings on Products Fabricated from Rolled Pressed, and Forged Steel Shapes, Plates, Bars and Strip MATERIALS Raising and Lowering Mechanism The winch shall have a minimum lifting capacity of 750 kg at 1.5 m per minute. In the event of a power or winch drive device failure, the winch shall be capable of maintaining the luminaire support ring in a fixed position at any height on the pole. The winch drum shall be grooved and have recessed sockets to allow flush wire rope termination. The winch drum shall have lipped flanges or guide bar to prevent wire rope from over-running. Drum capacity shall be a minimum of 40 m of 6 mm diameter wire rope for the 25 m, 30 m and 35 m poles and 50 m of 6 m diameter wire rope for the 40 m and 45 m poles. The winch housing shall be sealed, maintenance free type. Safety instructions for operating the luminaire ring shall be provided for permanent installation inside of the pole handhole cover. Such instructions shall be inscribed on a non-deteriorating material and the lettering shall be of sufficient size to be easily discernible. Page 2 Rev. Date: 01/1990 OPSS 2476

3 Luminaire Support Ring The luminaire support ring shall be capable of supporting a maximum of watt high pressure sodium luminaires. The luminaires may be high bay type, floodlight type, or a combination of both. The luminaires shall be mounted on either a single or dual support ring. Each support ring shall be manufactured with the exact number of tenons or mounting pads for the luminaires as indicated in the contract. The luminaire support ring shall be complete with 50 mm IPS Schedule 40 luminaire arms. The luminaire arms, number and arrangement as indicated in the contract shall accommodate either slip fit attachment or tenon mounting pads as required. The luminaire support ring shall be fabricated from steel channel or pipe and shall be hot dip galvanized conforming to CSA G164. The luminaire support ring shall be a balanced assembly; if required, counter balancing hardware shall be supplied as part of the ring assembly. One weatherproof cast aluminum junction box, complete with receptacle and terminal blocks, shall be incorporated in the ring wiring circuitry. In the case of the dual support ring, an additional weatherproof cast aluminum junction box complete with terminal blocks shall be incorporated in the wiring circuitry of the second ring. Additional wiring shall be used to interconnect the terminal blocks of the separate junction boxes as required. The receptacle is required to enable testing of the luminaires in the lowered position. The luminaire support ring shall be prewired to the tenons or mounting plates and junction box as required. All wiring on luminaire support ring shall be type SOW, number, size and phase of conductors to be as shown on the contract drawings. The luminaire support ring shall be equipped with a non-marking liner or centering device to prevent the support ring from marking or striking the pole during raising and lowering operations. All parts of the centering device in contact with the pole shall be fabricated from non-marking materials and run on permanently lubricated bearings. All other components of the centering device shall be fabricated from non-corroding materials. The luminaire support ring shall be equipped with either a top latch lock or a non-latching system. The top latch lock mechanism is to lock and maintain the luminaire support ring in the raised position allowing the tension of the winch cable to be released. The non-latching system is to maintain the luminaire support ring in the raised position by maintaining tension on the winch cable. Secondary Thyrite type lightning arresters rated volts conforming to CSA C233 shall be installed from the phase conductor to ground and shall be attached to the luminaire support ring in an accessible location for inspection and servicing Portable Power Unit Portable power units shall be supplied as indicated in the contract for driving the winch which shall be capable of operating the system at the capacity described. The portable power unit shall be provided with a remote operating switch at the end of a 6 m cord and shall be clearly marked "Up" and "Down" to coincide with the support ring in the raised and lowered positions respectively. Page 3 Rev. Date: 01/1990 OPSS 2476

4 The portable power unit shall be provided wit a non-adjustable torque limiting device to be used between the power unit and the winch. The torque limiter shall be fabricated from corrosion-resistant materials and have a grease nipple to aid maintenance. As a fail safe system the portable power unit shall be equipped with a shear key that will give way before the breaking strength of the support cables is exceeded. Portable power unit shall operate using a 120 volt single phase power source. When required to suit the power distribution system a step down transformer shall be supplied with the unit. The portable power unit or the transformer shall be equipped with a twist-lock plug to match the plug for luminaire riser wiring, to ensure that riser wiring is disconnected prior to lowering the luminaire support ring. The transformer is to be housed in a weatherproof enclosure suitable for portable use Support Cables and Fittings Wire rope shall be flexible stainless steel type 302, 18-8 aircraft cables, 6 mm diameter x 7 strand x 19 lay construction, with a minimum breaking strength of 2,270 kg. All wire rope fittings and terminations are to be factory made and their load rating shall be a minimum of 95% of the minimum breaking strength of the wire rope. All fittings used in conjunction with the wire rope shall be copper alloy compression type fittings Head Assembly The head assembly shall contain pulleys designed to support the multi-conductor power cable and the support cables. The pulleys shall be fabricated from non-corroding materials and shall run on permanently lubricated bearings. The pulley diameters shall be large enough to prevent damage to support cables and electrical cables. The head assembly shall be equipped with guides or other mechanical means to ensure cables remain on their respective pulleys at all times. The head assembly shall include guides and stops to ensure proper positioning of the luminaire support ring. The head assembly shall be housed in a corrosion-resistant cover Electrical Cables and Equipment Electrical Wiring Electrical wiring shall be type SOW conforming to CSA C22.2 No. 49 or type TWH conforming to CSA C22.2 No. 38, size and number of conductors as indicated on the contract. Riser cable shall be coordinated with individual pole requirements to ensure sufficient length Electrical Connections All cable fittings shall be weather tight. All plugs and receptacles for use with riser wiring shall be in-line nylon twist-lock type conforming to CSA C22.2 No. 42, complete with protective boots as indicated in the contract. Page 4 Rev. Date: 01/1990 OPSS 2476

5 The protective boot installed over the male receptacle shall be long enough to prevent receptacle blades from touching metal surface while the receptacle is disconnected during raising and lowering of the luminaire support ring and during testing of the luminaires in lowered position Electrical Panel The electrical panel located in the pole handhole shall be housed in a EEMAC 4 enclosure containing a main circuit breaker, and branch circuit breakers, as indicated in the contract Jumper Cable For system operation there shall be a 2.0 m jumper cable installed at the electrical panel. The jumper cable will be used for: a) connections to riser wiring while the luminaires are in the raised position; b) connection to receptacle on luminaire support ring for luminaire testing in the lowered position; c) connection to portable power unit PRODUCTION Welding All welding shall be sound, continuous, full penetration and shall conform to CSA W59 unless otherwise noted, and shall only be undertaken by a fabricator fully approved under the requirements of CSA W Galvanizing Galvanizing shall conform to CSA G164 or AASHTO M AUTHORITY PURCHASE OF MATERIAL BY PURCHASE ORDER Technical Information to be Supplied to the Bidder The Authority will supply the following technical information to the bidder in the Supply Contract Documents: a) number and type of luminaires, including luminaire mounting arrangements; b) length of the high mast pole Technical Information to be Provided in Quotations Each bidder shall submit with his quotation four copies of preliminary outline specifications and drawings or catalogue information to the Authority's Purchasing Office for preliminary approval. If the bidder has previously submitted this information and it has been previously approved by the Authority, only reference to the original submission is required Shop Drawings Within fourteen calendar days of receipt of a purchase order to supply the equipment specified herein, the Supplier shall submit to the Authority's Purchasing Office four copies of the following information: Page 5 Rev. Date: 01/1990 OPSS 2476

6 a) Detailed dimensioned layout shop drawing including plans, elevations, section and details to show: i) luminaire support ring; ii) winch mounting arrangement; iii) luminaire mounting arrangement; iv) counter-balancing arrangement; v) head assembly mounting arrangement; vi) electrical panel mounting arrangement; vii) junction box mounting arrangement an details. b) Detailed wiring diagram for luminaire raising and lowering equipment. c) Detailed bill of materials for: i) support cables and connectors; ii) electrical cables and connectors; iii) electrical panel and circuit breakers; iv). portable power unit with transformer and torque limiting device. d) Raising and lowering mechanism: i) the functional test data report indicating that the gear box mechanism meets the manufacturer's design specifications. e) Detailed parts list and sources of supply for each of the items listed. Drawings submitted for approval will be given final approval by the Authority if acceptable or will be marked with deficiencies if unacceptable. Unacceptable drawings will be returned to the Supplier for correction. The Supplier shall resubmit four copies of corrected drawings within fourteen calendar days. When the resubmitted drawings are acceptable by the Authority, they will be given final approval. One copy of the final approved drawings will be returned to the Supplier, along with written notification to commence fabrication. Within fourteen days of receipt of notification to commence fabrication, the Supplier shall submit twelve copies of all final approved shop drawings to the Authority's Purchasing Office. Fabrication of the equipment shall not commence until the Supplier has received final approved shop drawings and the written notification to commence fabrication from the Authority, and all fabrication shall conform to the dimensions indicated on the final approved shop drawings Inspection The Supplier shall notify the Authority of the date that fabrication of the raising and lowering equipment will commence. The Authority's representative shall have free access to the place of manufacture of the raising and lowering equipment while work on the contract is being performed for the purpose of inspecting, examining plant records, certificates, material used, process of manufacturing, including welding, galvanizing and to make any tests as may be considered necessary. All work is subject to an inspection by the Authority's representative prior to shipment Packaging and Shipment Each raising and lowering assembly shall be shipped complete with hardware, suitably packaged to ensure that all parts are delivered as an entity. A complete parts list shall be included in the shipment. Page 6 Rev. Date: 01/1990 OPSS 2476

7 All cartons shall be marked with appropriate pole numbers to ensure that the system is compatible. The Supplier is responsible for on-loading, delivery, and off-loading of raising and lowering equipment to designated areas. Equipment shall be subject to inspection during and on completion of off-loading and unpacking. If any damage to the galvanized surface or shortage of parts is encountered during the offloading inspection, the Supplier shall be responsible for the necessary corrective measures subject to the approval of the Authority. The Supplier shall advise the Authority three working days prior to his shipping date of his intent to deliver and confirm that arrangements for off-loading have been made Measurement for Payment Measurement for payment of the luminaire raising and lowering equipment will be by each complete assembly Basis of Payment Payment at the contract price for luminaire raising and lowering equipment shall be full compensation for all labour, equipment and materials required for manufacturing, testing, delivering and off-loading at the time and at the place specified DESIGNATED SOURCES REQUIREMENTS Approval to supply the luminaire raising and lowering equipment specified herein shall be based upon a satisfactory plant inspection report which shall include such testing as the Authority's representative considers necessary, such that the raising and lowering equipment supplied conforms to the specification. Luminaire raising and lowering equipment shall be supplied only by manufacturers approved by the Authority. Once approved, the Supplier shall not change material type, source, and production methods without the prior written approval of the Authority. Page 7 Rev. Date: 01/1990 OPSS 2476