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Home My Public Portal AboutResolution No. 585-23 11-13-2023 RESOLUTION NO. 585-23 A RESOLUTION OF THE CITY COUNCIL OF THE CITY OF RICHLAND HILLS, TEXAS, TO ADOPT THE TEXAS DEPARTMENT OF TRANSPORTATION'S (TXDOT) SPECIAL SPECIFICATION 6505 "LED INTERNALLY LIGHTED STREET NAME SIGNS" POLICY AND GUIDELINES. WHEREAS, the City Council has expressed interest in the installation of illuminated street signs along Highway 183 (Baker Boulevard); and WHEREAS, Highway 183, also known as Baker Boulevard, is a Texas Department of Transportation (TxDOT) managed road; and WHEREAS, TxDOT must approve all design and construction plans along TxDOT managed roads; and WHEREAS, TxDOT requires that the City of Richland Hills approve the State's Policy and Guidelines on the use of LED Illuminated Street Name Signs (ILSN) prior to any design and construction plan approvals for TxDOT managed roads. NOW, THEREFORE, BE IT RESOLVED, BUT THE CITY COUNCIL OF THE CITY OF RICHLAND HILLS, TEXAS, THAT: SECTION 1. The City Council approves the use of the State's Policy and Guidelines on the use of LED Illuminated Street Name Signs (ILSN) known as Special Specification 6505 and is attached hereto as Exhibit A. SECTION 2. It is hereby officially found and determined that the meeting at which this resolution is passed is open to the public and that the public notice of the time, place, and purpose of said meeting was given as required by law. APPROVED AND ADOPTED at a regular meeting of the Richland Hills City Council on November 13, 2023, by a vote of 7 ayes, 0 nays, and 0 abstentions. APPROVED: ATTEST: V 00 1 1 1 fill,,„, ) bi "IF _. ,-,.•'\\Nst,....''''''''••tr, (wt._ 16_ r \ _____ The Honorable Ma r Edwar�~. p r'ay Ra . ' •n, City Secretary ti ; • ` y `- \.. •• �� \ ///,,,, ��,•• ••• ••\\\\,\\\\\\\\ DocuSign Envelope ID: 1C2D2B33-4D33-412F-B0F6-574FBEE7FF3A 6505 Special Specification 6505 Texas LED Internally Lighted Street Name Signs ,�ep�r�,„,e�' o!Transportation 1. DESCRIPTION Furnish,fabricate,and install light emitting diode(LED)internally lighted street name(ILSN)signs attached to traffic signal poles as shown on the plans. 2. MATERIALS Provide new materials that are in accordance with the details shown on the plans or as the directed,the requirements of this Item,and the pertinent requirements of the following Items: • Item 445,"Galvanizing" • Item 446,"Field Cleaning and Painting Steel" ■ Item 620,"Electrical Conductors" • Item 621,"Tray Cable." Furnish and fabricate LED sign assemblies and associated mounting hardware from new materials that are in accordance with this Specification.Provide single-face message or double-face message signs as shown on the plans or as directed. Furnish electronic submittals,of the LED and mounting hardware,to the Engineer at the project address.Do not begin work or purchase materials before the submittals are approved. 2.1. General Requirements.Ensure sign assembly standard lengths are between 4 ft.and 10 ft.,and standard viewable heights are between 15 in.and 30 in. Use single-or double-faced signs as shown on the plans. Ensure maximum weight of the sign does not exceed maximum capacity of ILSN support arms. Construct sign fixture housing from 5000 or 6000 series aluminum. Powder-coat paint all exterior fixture housing glossy black as shown on the plans or as directed.Ensure paint exceeds 1,000-hr.salt-spray test in accordance with ASTM B 117.Provide ILSN housing rated as NEMA type 3R. Use stainless steel screws and hardware. Ensure sign panels, light sources,light engines,and power supplies can be replaced without sign removal. Provide sign that is capable of continuous operation over a range in temperatures from-10°F to+140°F. 2.2. LED Requirements.Provide high flux LEDs that are rated to maintain a minimum 70%of their initial lumens after 60,000 hr.at 25°C according to IESNA LM-80-08. Ensure the LED arrays or modules will continue to operate if one LED goes out. 2.3. Sign Panel Requirements.Ensure the front panel of the sign is ultraviolet,weather,abrasion,and impact- resistant,high-impact strength polycarbonate,acrylic,or glass-fiber reinforced polyester fluoride.Ensure the front panel is replaceable for future maintenance purposes. Provide translucent reflective type D sheeting and colored transparent acrylic film as per DMS-8300,"Sign Face Material." As per Texas Manual on Uniform Traffic Control Devices Section 2D.43,street name signs must have a white legend on green background.A border,if used,must be the same color as the legend. Ensure letter font type and letter height is in accordance with the Standard Highway Sign Designs for Texas, D3-1 Overhead Mount. 1 -3 08-23 OTU Resolution No. 585-23, Page 2 of 4 DocuSign Envelope ID: 1C2D2B33-4D33-412F-B0F6-574FBEE7FF3A 6505 2.4. Electrical and Illumination Requirements.Provide ILSN that will operate at 120 VAC.Ensure product meets standard for electric signs UL 48.Provide voltage surge protection to withstand high-repetition noise transients and low-repetition,high-energy transients as stated in Section 2.1.8., NEMA Standard TS 2-2003. Locate the power supply inside the sign enclosure.Provide power supply with UL Class 2 limited output voltage and current plus isolation for safe operation. Provide power supply that is UL rated for outdoor damp locations.Provide power supply with an IP 64 outdoor rating. Ensure the light source evenly illuminates the sign panel and the average luminance over the entire panel surface is uniform. 2.5. Support Requirements.The sign must be designed and constructed to withstand 110 mph wind loads in accordance with the requirements of the AASHTO publication Standard Specifications for Structural Supports of Highway Signs,Luminaires and Traffic Signals(5th Edition 2009). Supply the sign with mounting brackets from the manufacturer(swinging or rigid mounting)as shown on the plans. 2.6. Color.The color of the legend,symbols,and background must fall within the International Commission on Illumination(CIE)color coordinates and reflectance values listed in Table 1. Table 1 CIE Chromaticity Coordinates and Reflectance Values White Green x y Reflectance x y Reflectance 0.300 0.290 0.255 0.330 280 0.310 40 Min 0.255 0.520 3.5-10 0.360 0.360 0.020 0.540 2.7. Workmanship.The panels must exhibit good workmanship and be free from objectionable marks or defects that would adversely affect appearance or serviceability. 2.8. Warranty.The manufacturer must replace failed ILNs,when non-operable due to defect in material or workmanship,within five years of installation with a new ILSN that passes all testing,is delivered,and installed at the project location. 3. CONSTRUCTION Fabricate and install internally lighted street name signs in conformance with the details and dimensions shown on the plans. Install in conformance with the latest electrical detail standards. Install signs,level and plumb,with brackets or clamps.Attach ILSN to traffic signal pole according to manufacturer's instructions, and as shown on the plans. Use established industry and utility safety practices when installing ILSNs located near overhead or underground utilities.Consult with the appropriate utility company before beginning work. Prevent scarring or marring of the poles,mast arms,and ILSNs. Replace damaged components. Repair damaged galvanizing in accordance with Section 445.3.5,"Repairs."Repair damaged painted areas of a roadway illumination assembly in accordance with Item 446. 4. MEASUREMENT This Item will be measured as each LED ILSN sign installed. 5. PAYMENT The work performed and materials furnished in accordance with this Item and measured as provided under "Measurement"will be paid for at the unit bid price for"LED Internally Lighted Street Name Signs"of the 2-3 08-23 OTU Resolution No. 585-23, Page 3 of 4 DocuSign Envelope ID: 1C2D2B33-4D33-412F-B0F6-574FBEE7FF3A 6505 sizes and types specified.This price is full compensation for furnishing,fabricating,and installing the signs; support arm clamp assembly;liquid tight flexible metal conduit;and equipment,labor,tools,and incidentals. New conduit will be paid for under Item 618,"Conduit."New conductors,except the conductors internal to the pole,will be paid for under Item 620.New tray cable,except the tray cable internal to the pole,will be paid for under Item 621. 3-3 08-23 OTU Resolution No. 585-23, Page 4 of 4