1209 Both cabinet doors shall have louvered openings and shall provide ventilation. A filter shall be provided over the louvers and shall include an aluminum filter cover secured with a spring-loaded latch as shown on the plans. The filter shall be 12 by 16 by 1 in. Two spare filters shall be provided with each cabinet. 90 The cabinet shall be provided with two metal lifting eyes to be used when placing the cabinet on the foundation. Each eye shall have a minimum diameter of 3/4 in. and shall be capable of lifting 990 lb. Machine screws and bolts shall not protrude beyond the outside wall of the cabinet. 925.02 Model Approval Each cabinet model will be subject to approval prior to use. A period of evaluation will commence when the Department receives a preliminary product evaluation form 100 accompanied by the product brochure, deta iled electrical schematics, and cabinet assembly drawings. The Operations Support Division will advise the manufacturer or vendor, in writing, of the date and location to deliver the cabinet for which model approval is requested. Electrical schema tics for the cabinet, cabinet assembly drawings, and parts lists shall be furnished with the controller when it is submitted to the Operations Support Division for evaluation and testing. Only models from the QPL of Traffic Sign al and ITS Devices in effect as of the date of letting, or as otherwise specified, shall be used on the contract. Continued failure and repeated malfunctions of a qualified controller or control equipment shall 110 be cause to remove that model from the QPL. A design change to a qualified model or cabinet will require re-submittal of the model for testing, evaluation, and approval. Permanent addition or removal of component parts or wires will be considered a design change. 925.03 Warranty The cabinet, sunshields, doors, and all ot her exterior surfaces shall carry a five year warranty against all material imperfections. All other electrical components and wiring shall carry a three year warranty against all imperfections in workmanship or materials. 120
925.04 Cabinet Accessories
The following accessories shall be furnis hed and installed w ith each ITS cabinet.
a.Rack Frame Assembly The cabinet shall come equipped with standard Electronic Industries Alliance 19 in. rack frame assembly. The rack frame assembly shall have standard Electronic Industries Alliance vertically spaced thread ed holes for attachment of equipment, mounting angles, and shelves. Frame mounting of equipment and shelves shall be available on both door sides of the cabinet. 130 925.04 1210 (b) Equipment Shelves The equipment rack shall be furnished with two adjustable equipment shelves. A 3 in. hole shall be provided in each shelf. The hole shall be fitted with a nylon snap bushing liner with an outside diameter of 3.16 in., inside diameter of 2.5 in. and a height of 0.72 in. The shelves shall be constructed of an aluminum screen tack welded between the shelf bottom and upper ribs. The shelves shall be capable of being moved in any location.
c.Sunshield 140 An aluminum panel sunshield shall be mounted on standoffs on the top and each side of each cabinet. (d) Side Panels Two aluminum side panels shall be provided and mounted on the Electronic Industries Alliance rack parallel to the cabinet sides. One panel shall be designated as the “power distribution panel” and the ot her panel shall be designated the “heater panel”.
e.Data Pocket 150 The data pocket is to be large enough to hold several drawings, a maintenance log notebook, and several pieces of reference materi al but not so large as to contact any of the installed equipment. (f) Equipment Labels The labels shall have a non-reflective, exterior grade, low glare matte surface finish applied to flexible ABS plastic. The labels shall be black with white lettering and have an engraving depth of 0.002 to 0.003 in. Labels shall conform to the designations on the cabinet diagrams. 160
g.Primary Power Terminal Block A power distribution terminal block shall be mounted on the power distribution panel. The power distribution block shall be a mechanical three-pole connector. The connectors for the incoming power shall be able to accept wire sizes between 12 AWG and 2/0 AWG. The load side connectors shall be able to accept wire sizes between 14 AWG and 4 AWG. The rating of the connector shall be 195 amps per pole. The connector elements shall be made from a tin plated, high conductivity aluminum alloy and insulated with high strength thermoplastic housing with a relative temperature index of 260°F. It shall be rated 600 volt, AL9CU. The dimensions shall be 4 by 5.2 by 3.23 in. high. The block shall come with one polycarbonate safety cover per pole. 170 Mounting screws shall be No. 10, 0.19 in. diameter. The block shall be UL Listed. The terminal block shall be a Burndy Model BDB-11-2/0-3.
h.Ground Lug The ground lug mounted on the power distribution panel shall be a heavy-duty one-hole ground lug, manufactured from electrolytic copper tubing and strip stock. UL Listed and CSA certified for stranded CU wi re and for 600 volts. Wire range: 6 AWG 925.04 1211 to 14 AWG. Bolt size: #10. Tang length shall be 1/2 in. Width shall be 5/16 in. The lug shall be an Ilsco Model SLUH-35.
i.Ground Bus The ground bus shall be rated to 600 volts. A maximum of 12 taps per ground bar suitable for wire ranging from 6 AWG to 14 AWG will be allowed. The main ground connection wire shall have a range from 4 AWG to 14 AWG. The ground bar shall be 5 15/16 in. by 3/4 in. by 11/32 in. and shall be UL Listed. The ground bus shall be an Ilsco Model D167-12.
j.Transient Voltage Surge Suppression The transient voltage surge suppression, TVSS, shall have individually fused suppression modes, thermal cutout, LED operational indicators to indicate loss of 190 protection or circuit fully operational, including neutral-to-ground, AC tracking filter with EMI/RFI filtering up to -50dB from 100 kHz to 100 MHz, and a short circuit current rating of 200,000 rms symmetrical amperes. Surge suppression shall be provided for each mode (L-N or L-L, L-G, N-G). The TVSS shall be UL 1449 Second Edition Listed and UL 1283 Recognized. The TVSS shall have 120/240 volt split phase service voltage and dry contacts for each phase providing a summary alarm. The co ntacts shall be terminated in a DB-9 connector. 200 The surge capacity shall be 80 kA/phase. The response time shall be less than 1/2 nanosecond. The unit shall withstand 5000 category C3 impulses with less than 10% drift. It shall be suitable for use under non-condensing relative humidity range of 0 - 95%. The suppressed voltage rating shall be 330 volts L-N, L-G, N-G and 700 volts L-L. Operating frequency: 47 - 63 Hz. Operating temperature: -40°F to 140°F. External mount NEMA 1 standard enclosure. Standard size: 6 in. by 6 in. by 4 in. depth. Weight: 8 lb. The unit shall be an Advanced Protection Technologies Model TE/1XF.
k.Load Center Main Breaker 210 The load center main breaker shall be an enclosed, two-pole, 240/240V AC, 60 amp breaker. It shall have a 10,000 rms symmetrical ampere short circuit current rating. The circuit breaker enclosure shall be a Square D, Model QO2TR. (l) Load Center Panelboard The panelboard shall be a 120/240V AC , 600 volt, eight pole panelboard. The panelboard shall have a neutral bus bar with three 10 amp breakers, four 15 amp breakers and one spare. The load center sha ll be main lug only Square D, Model QO. The circuit breakers shall be Square D, Model QO. 220
m.GFI Duplex Receptacle The convenience receptacle shall be a duplex, three-prong, NEMA Type 5-15R grounding type outlet and shall be in accordance with UL 943. 925.04 1212 (n) Duplex Receptacle A standard three-prong, NEMA Type 5-15R grounding type outlet shall be mounted on the power distribution panel.
o.Terminal Strip Surge Protector One 48 in. surge protected terminal strip with ten 15 amp outlets shall be furnished 230 and installed. The terminal strip shall have a low profile aluminum housing measuring 1 1/2 by 1 3/16 in. and have a 14/3 SJT cord and a NEMA 5-15P plug. The spacing between the outlets shall be 4 in. and the grounding pin shall be positioned so that it is oriented toward the bottom of the cabinet. The unit shall be in accordance with UL 1449 with a 330 volt clamping level. The unit shall be a Wiremold Model 4810BCS with a 6 ft cord.
p.Door Open Switches 240 Four dry-contact, one-pole-form-C (single-pole, double throw), switches shall be provided and installed. Switch poles are to be electrically isolated. One set of switches shall be rated for 5 amp at 120 volt AC to be used to automatically turn the lights off when both cabinet doors are closed. The other set shall be rated for 1 amp at 5 volt DC and are to be used to send a door open alarm. The switches shall be Omron part No. Z- 15GQ-B. (q) Light Switch A toggle switch 20 amp, DPDT with 1/8 in. diameter hole in solder lugs shall be provided and installed that will manually switch on the lights regardless of the door 250 switch position. The switch shall be McGill Mfg. Co., part No. 0121-7013 or Eaton part No. 7803K13. (r) Lamp Holders Each cabinet shall be furnished with two lamp holders. The UL Listed device shall have a medium phenolic base measuring 1.9 by 1.9 by 1.5 in. and rating 660 watt and 250 volt. The lamp holder shall be a Leviton Model 9063. (s) Lamps Each lamp holder shall be provided with a 100 watt rugged service incandescent 260 bulb.
t.Circulating Fans Three 110 cu ft/min, 4.7 by 4.7 by 1.5 in. cooling fans shall be installed within the cabinet to circulate internal air. The fans shall have an allowable ambient temperature range of 14°F to 158°F and a voltage rating of 115 volt. The fan casings shall be aluminum alloy. The impeller shall be UL94V-O reinforced plastic. The fans shall have ball bearings and an impedance protec ted, shaded pole induction motor. The fans shall not be exposed or routed to the external environment. 270 925.04 1213 The environmental controller shall contro l fan operation. The fans shall activate at 80°F. The fans shall be NMB Model 4715FS-12T-B50-D00.
u.Enclosure Heaters Two 250 watt ceramic insulated strip heaters shall be furnished and installed in the cabinet to protect against condensation damage and to keep the electronic components above freezing in the winter. The strip heaters shall have a seamless stainless steel sheath with ceramic element support and magnesium oxide packing. The environmental controller shall control enclosure heater operation. Heating strips shall not be installed on either door. The heaters shall be 8 in. long by 1 1/2 in. wide 280 and shall have two wire terminals. The strip heaters shall be UL Recognized. The heaters shall be Hotwatt Model CS-8. (v) Heater Relays Two solid state SPST-NO heater relays shall be installed on the power distribution side panel. Load current range 0.04 to 25 amp, one-cycle surge 250 amp peak. Rated for 120 volt AC and UL Recognized. (w) Thermostats The cabinet shall be furnished with two thermostats installed. One thermostat 290 shall activate the enclosure heaters and ci rculating fan with the internal cabinet temperature goes below 35°F. The other thermostat shall activate the two circulating fans at the top of the cabinet when the in ternal cabinet temperature goes above 80°F. The thermostats shall be Thermodisc, Type AL-1.
x.Detector Card DIN Rail Terminal Blocks Double-deck compression clamp DIN rail terminal blocks shall be hard wired to the Canoga Card Racks. A total of 64 terminal blocks shall be mounted to an aluminum panel that is secured to the Electronic Indu stries Alliance rack. The terminal blocks shall allow wires between 24 AWG and 10 AWG. Each measures 2.5 in. by 0.2 in. 300 The terminal blocks shall be the Entretec part number 011527122 Type M 4/6 D2.
y.I/O Module An isolated 8-Bit digital input module shall be provided and installed. It shall have six fully isolated inputs and two share common ground inputs. High voltage inputs. Logic levels: LOW +1.0 volt DC max, HIGH +3.5 to +30 volt DC. Input impedance: 3 kohm. Input isolation: 3000 vrms. Power consumption: 0.4 watt. Operating temperature: 14°F to 158°F. The I/O module shall be a Measurement Computing, Model CB-7052. 310
z.Detector Card Rack The detector card rack shall be as shown on the plans. (aa) Padlocks Padlocks shall be classified as a high security padlock with hardened shackles, laminated body, a minimum four-pin cylinder, and come complete with a weather 925.04 1214 cover to protect the lock body and cylinder from sand, dirt, water, and ice. A wafer cylinder shall not be used. Keys shall not be provided with each padlock supplied. All padlocks shall be keyed alike and shall be keyed identical to the keys currently in use by the Department. The main body width of the padlock shall not exceed 3 in. and 320 shall have a shackle length of 2 1/4 to 3 3/4 in. and a shackle diameter of 5/16 in. For padlock information, contact the ITS Operations Engineer. (bb) Other Cabinet Equipment In addition to the equipment specified abov e, the cabinet shall be furnished with all ancillary equipment, brackets, wiring ducts , and hardware as is necessary to provide a neat and finished appearance. These ite ms along with all associated cables, connectors, wiring, and other incidental items shall be labeled on the required submittal drawings. 330
925.05 Cabinet Wiring
All conductors used in ITS cabinet wi ring shall be in accordance with the following color-code requirements. (a) The AC neutral conductor of a circuit shall be identified by a continuous white or natural gray color.
b.The equipment grounding conductor shall be identified by a continuous green color or by a continuous green color with one or more yellow stripes. 340
c.The ungrounded conductors shall be identified by any color not specified in (a) or (b) above. All wire shall be Type THHN with color and gauge as shown on the plans, except the microloop card rack wiring which will be two-pair twisted with a shield and plenum rated. Connectors used for interconnecting various portions of circuits together shall be designed and constructed for the applicatio n involved. Connectors shall be designed 350 to provide positive connection of all circuits, and easy insertion and removal of mating contacts. Connections shall be permanently keyed to prevent improper connection of circuits.
925.06 Drawings The Contractor shall provide three sets of cabinet wiring diagrams. The diagrams shall be non-proprietary and shall identify all circuits, as installed, in such a manner as to be readily interpreted.
In addition, three cabinet drawings shall be provided with each cabinet to show 360 the component layout in elevation views from the front and rear. An elevation of both aluminum side panels shall also be shown. Elevation views are to be detailed down to 925.05 1215 the level showing mounting brackets and wiring ducts. All other mounting hardware and cable ties need not be shown. All cable s and connectors shall be clearly labeled. Any data sheets for internal cabinet components that have been made available by the manufacturer shall also be provided. One set of the wiring diagram and cabine t drawing shall be placed in a heavy-duty side-opening clear plastic pouch and inserted into the data pocket. The pouch shall be of such design and material that it pr ovides adequate storage and access to the 370 drawings. The other two sets of drawings shall be delivered to the attention of the ITS Field Engineer.
Source: Indiana Standard Specifications, 2024 Edition. Pages 1209–1216 of 1,248.