ADDENDUM NUMBER THREE

Transcription

1 RUNWAY 7-25 COMPLEX LIGHTING AND PAVEMENT REHABILITATION Contract No ADDENDUM NUMBER THREE This Addendum Number Three supersedes and/or supplements all portions of the Contract Documents with which it conflicts. Bidders must acknowledge receipt of this addendum on page 27 of the Bid Forms. Johnson, Keith - DIA Keith Johnson Project Manager Development Infrastructure Digitally signed by Johnson, Keith - DIA DN: dc=com, dc=flydenver, dc=ad, ou=domain Users, ou=employees, ou=engineering, cn=johnson, Keith - DIA, =keith.johnson@flydenver.com Date: :48:46-07'00' * * * * * * * * * * * * End of Addendum Number Three

2 Addendum No. 3 December 14, 2017 To: Bid Forms, Project Requirements, Technical Specifications and Plans Runway 7-25 Complex Lighting and Pavement Rehabilitation DEN Contract No Dated: November 20, 2017 ADDENDUM NO. 3 TO PLANS FOR IMPROVEMENTS TO DENVER INTERNATIONAL AIRPORT DENVER, COLORADO RUNWAY 7-25 COMPLEX LIGHTING AND PAVEMENT REHABILITATION DEN CONTRACT NO Bidders are informed that the above referenced Plans are modified as follows as of December 14, BID FORMS Delete Bid Forms and replace with attached Bid Forms. Item L-132d Furnish Passive Pavement Sensors was added Item L-132e Install Passive Pavement Sensor was added 2. PART I GENERAL REQUIREMENTS No changes 3. PART II TECHNICAL SPECIFICATIONS Division 2 Technical Specifications Specification L-132 Runway Surface Condition Sensor System Replace specification L-132 in its entirety with the attached specification L-132. Section was modified Section was modified Section c was added Page 1 of 4

3 Addendum No. 3 December 14, 2017 To: Bid Forms, Project Requirements, Technical Specifications and Plans Runway 7-25 Complex Lighting and Pavement Rehabilitation DEN Contract No Dated: November 20, 2017 Section d was added Section e was added Section f was added Section g was added Section h was modified Section was modified Section was modified Section was modified Section was added Section was added Two additional bid items were added to the Basis of Payment section. 4. PLANS Sheet G-003 Replace sheet G-003 with the attached sheet G-003. Modified index of drawings (table) to show new sheets. Sheet G-004 Replace sheet G-004 with the attached sheet G-004. Modified summary of approximate quantities (table). Sheet EL001 Deleted sheet EL101 and replaced with attached sheet EL101. Summary: Revised Legend Sheet EL102 Deleted sheet EL102 and replaced with attached sheet EL102. Summary: Modified key notes and Runway Surface Sensor symbol. Page 2 of 4

4 Addendum No. 3 December 14, 2017 To: Bid Forms, Project Requirements, Technical Specifications and Plans Runway 7-25 Complex Lighting and Pavement Rehabilitation DEN Contract No Dated: November 20, 2017 Sheet EL104 Deleted sheet EL104 and replaced with attached sheet EL104. Summary: Modified key notes and Runway Surface Sensor symbol. Sheet EL107 Deleted sheet EL107 and replaced with attached sheet EL107. Summary: Modified key notes and Runway Surface Sensor symbol. Sheet EL110 Deleted sheet EL110 and replaced with attached sheet EL110. Summary: Modified key notes and Runway Surface Sensor symbol. Sheet EL112 Deleted sheet EL112 and replaced with attached sheet EL112. Summary: Modified key notes and Runway Surface Sensor symbol. Sheet EL115 Deleted sheet EL115 and replaced with attached sheet EL115. Summary: Modified key notes and Runway Surface Sensor symbol. Sheet EL122 Deleted sheet EL122 and replaced with attached sheet EL122. Summary: Modified key notes and Runway Surface Sensor symbol. Sheet EL136 Deleted sheet EL136 and replaced with attached sheet EL136. Summary: Modified key notes and Runway Surface Sensor symbol. Sheet EL511 New Sheet Page 3 of 4

5 Addendum No. 3 December 14, 2017 To: Bid Forms, Project Requirements, Technical Specifications and Plans Runway 7-25 Complex Lighting and Pavement Rehabilitation DEN Contract No Dated: November 20, 2017 The total number of pages (Including cover sheet) contained in this Addendum Number Three is thirty four (34) pages. ** END OF ADDENDUM NO. 3 ** Page 4 of 4

6 BID PROPOSAL SUMMARY RUNWAY 7-25 COMPLEX LIGHTING AND PAVEMENT REHABILITATION DEN CONTRACT NO Bidder Name: Schedule 1 Total Schedule 2 Total Schedule 3 Total Schedule 4 Total Total Bid $ $ $ $ $ ADDENDUM #3 12/14/2017 1

7 Runway 7-25 Complex Lighting and Pavement Rehabiliation - Schedule 1 Item No. Description Units Est. Qty Unit Price Total a a a b c d L-107a Construction Asbuilt Survey (BIM) Mobilization Flagger Gate Guard Gate Guard Shack Traffic Control New L-806 Windcone on New Foundation cents. HR 2,160 $ $ cents. HR 2,160 $ $ L-108a L-108b 1-1/C #8 L-824 AFL Cable 1-1/C #6 L-824 AFL Cable cents. LF 851,025 $ $ cents. LF 40,000 $ $ L-110a L-110b L-110c L-110d 1W-2"C in Non- Paved Earth - Concrete Encased 2W-2"C in Non- Paved Earth - Concrete Encased 1W-2"C in Existing Concrete - Concrete Encased 1W-2"C in Existing Asphalt Shoulder - Concrete Encased cents. LF 1,250 $ $ cents. LF 50 $ $ cents. LF 175 $ $ cents. LF 225 $ $ L-110e 4W-4"C Ductbank - Concrete Encased cents. LF 300 $ $ ADDENDUM #3 12/14/ Schedule 1

8 Runway 7-25 Complex Lighting and Pavement Rehabiliation - Schedule 1 Item No. Description Units Est. Qty Unit Price Total L-110f L-115a 1W-4"C Ductbank - Concrete Encased 4' by 4' by 4' Handhole - Aircraft Rated cents. LF 325 $ $ cents. EA 4 $ $ L-122Ca L-122Cb L-125a L-125b L-125c Install 30 KW CCR Install 20 KW CCR L-804 LED Elevated Runway Guard Light L-862S LED Elevated Stop Bar Light L-852G/S Runway Inpavement Guard/Stop Bar cents. EA 4 $ $ cents. EA 6 $ $ cents. EA 16 $ $ cents. EA 16 $ $ cents. EA 99 $ $ L-125d L-850A LED Runway Centerline (Any Color) cents. EA 238 $ $ L-125e L-125f L-125g L-125h L-125i L-125j L-850B LED Touchdown Zone Light L-850C Runway Inpavement Edge light L-850D Runway Inpavement End/Threshold Light L-862 Runway Edge Light Elevated L-852D LED Taxiway Bidirectional Centerline Light L-852C LED Taxiway Bidirectional Centerline Light cents. EA 180 $ $ cents. EA 17 $ $ cents. EA 16 $ $ cents. EA 103 $ $ cents. EA 79 $ $ cents. EA 189 $ $ ADDENDUM #3 12/14/ Schedule 1

9 Runway 7-25 Complex Lighting and Pavement Rehabiliation - Schedule 1 Item No. Description Units Est. Qty Unit Price Total L-125k L-125l L-125m L-852D LED Taxiway Unidirectional Centerline Light L-852C LED Taxiway Unidirectional Centerline Light Remove and Reinstall Taxiway Centerline Light cents. EA 109 $ $ cents. EA 31 $ $ cents. EA 370 $ $ L-125n L-125o L-125p L-125q L-125r L-861T QUARTZ Taxiway Edge Light L-852T QUARTZ Inpavement Taxiway Edge Light L-868B Cover Plate L-852K LED Taxiway Bidirectional Centerline Light (SINGLE CIRCUIT) L-852K LED Taxiway Bidirectional Centerline Light (DOUBLE CIRCUIT) cents. EA 552 $ $ cents. EA 3 $ $ cents. EA 316 $ $ cents. EA 64 $ $ cents. EA 18 $ $ L-125s L-125t L-125u L-852K LED Taxiway Unidirectional Centerline Light New L-868B Base Can LED Module and Lens for Existing LED Light Fixtures cents. EA 55 $ $ cents. EA 72 $ $ cents. EA 185 $ $ L-128a Removal of Electrical Items and Miscellaneous Electrical Work L-132b Installation of RPU Equipment ADDENDUM #3 12/14/ Schedule 1

10 Runway 7-25 Complex Lighting and Pavement Rehabiliation - Schedule 1 Item No. Description Units Est. Qty Unit Price Total L-132c L-132e L-135a Surface Scan Sensor Cable - Type V Install Passive Pavement Sensor 24 Strand Single Mode Fiber cents. LF 11,500 $ $ cents. EA 8 $ $ cents. LS 2,500 $ $ L-137a CCTV Camera Pole and Foundation L-140a L-858a L-858b L-858c L-858d L-858e Photometric Testing L-858 Led Guidance Sign - 1 Mod L-858 Led Guidance Sign - 2 Mod L-858 Led Guidance Sign - 3 Mod L-858 Led Guidance Sign - 4 Mod LED Runway Distance Marker Sign cents. EA 3 $ $ cents. EA 16 $ $ cents. EA 21 $ $ cents. EA 11 $ $ cents. EA 11 $ $ L-858f New Guidance Sign Foundation (any Size) cents. EA 21 $ $ 13410Ca ALCS Modification & Miscellaneous Vault Work Total Schedule 1 $ ADDENDUM #3 12/14/ Schedule 1

11 Runway 7-25 Complex Lighting and Pavement Rehabiliation - Schedule 2 Item No. Description Units Est. Qty Unit Price Total a a P-150a P-150b Mobilization Temporary Erosion Control Remove Portland Cement Concrete Pavement (Non- Reinforced, 17") Remove Portland Cement Concrete Pavement (Reinforced, 17") cents. SY 9,485 $ $ cents. SY 201 $ $ P-150c Full Depth Asphalt Pavement Removal cents. SY 238 $ $ P-150d P-152a P-159a Grind Concrete Treated Base Course (0" to 1") Unclassified Excavation Concrete Crushing cents. SY 500 $ $ cents. CY 940 $ $ cents. CY 4,574 $ $ P-161a Bondbreaker Fabric cents. SY 9,686 $ $ P-161b Geotextile Fabric cents. SY 238 $ $ P-403a Bituminous Surface Course cents. TON 40 $ $ P-403b Bituminous Base Course cents. TON 94 $ $ P-404a P-501a Asphalt Treated Permeable Base 7" Portland Cement Conrete Pavement (Non-Reinforced, 17") cents. SY 238 $ $ cents. SY 9,485 $ $ ADDENDUM #3 12/14/ Schedule 2

12 Runway 7-25 Complex Lighting and Pavement Rehabiliation - Schedule 2 Item No. Description Units Est. Qty Unit Price Total P-501b P-610a Portland Cement Conrete Pavement (Reinforced, 17") Cement Treated Base Repair cents. SY 201 $ $ cents. SY 150 $ $ P-620a P-621a D-705a D-705b D-710a Airfield Pavement Markings - Permanent Saw Cut Grooves Install 4" Underdrain (Non- Perforated PVC) Install 4" Underdrain Headwall Grouted Type "M" Riprap cents. SF 372,443 $ $ cents. SY 6,333 $ $ cents. LF 1,233 $ $ cents. EA 1 $ $ cents. CY 2.0 $ $ D-751a Tie-in to Existing Concrete Structure cents. EA 7 $ $ D-751b D-751c T-901a T-905a Install Sanitary Vent Cover Adjust Electrical Manhole Seeding (Seed Mix Design 2) Topsoiling cents. EA 6 $ $ cents. EA 7 $ $ cents. AC 2 $ $ cents. CY 340 $ $ T-908a Hydraulic Mulching cents. AC 2 $ $ Total Schedule 2 $ ADDENDUM #3 12/14/ Schedule 2

13 Runway 7-25 Complex Lighting and Pavement Rehabiliation - Schedule 3 Item No. Description Units Est. Qty Unit Price Total a L-122Aa L-122Ab L-132a Mobilization Furnish 30 KW CCR w/internal ACE Furnish 20 KW CCR w/internal ACE Furnishing and Commissioning of RPU Equipment cents. EA 4 $ $ cents. EA 6 $ $ L-132d Furnish Passive Pavement Sensors 13410Aa 13410Ab 13410Ac Airfield Lighting Control System (ALCS) Modifications Furnish BRITEMASTER Furnish BRITE Remotes for L- 852G/S cents. EA 99 $ $ 13410Ad Furnish BRITE Remotes for L- 862S cents. EA 16 $ $ Total Schedule 3 $ ADDENDUM #3 12/14/ Schedule 3

14 Runway 7-25 Complex Lighting and Pavement Rehabiliation - Schedule 4 Item No. Description Units Est. Qty Unit Price Total a P-501c Mobilization Pavement Spall Repair cents. SY 200 $ $ P-605a Joint Seal Repair cents. LF 110,000 $ $ Total Schedule 4 $ ADDENDUM #3 12/14/ Schedule 4

15 TECHNICAL SPECIFICATIONS DENVER INTERNATIONAL AIRPORT DIVISION 2 AIRFIELD STANDARDS RUNWAY 7/25 COMPLEX LIGHTING AND PAVEMENT REHABILITATION ITEM L-132 RUNWAY SURFACE CONDITION SENSOR SYSTEM CONTRACT NO ITEM L-132 RUNWAY SURFACE CONDITION SENSOR SYSTEM DESCRIPTION GENERAL. This item shall consist of furnishing and installing new material and components for two of the airport surface condition sensor as supplied by Vaisala Inc. and in accordance with these Specifications and in accordance with the dimensions, design and details shown in the Drawings as well as the recommendations of the equipment manufacturer. This item shall include the furnishing of all equipment, materials, services and incidentals necessary to place the system in operation as completed units to the satisfaction of the DEN Project Manager. Conduits, duct banks, trenching, and cabling to complete the system operation will be included as part of this specification. Contact for furnishing the equipment is Vaisala, Inc., 194 South Taylor Ave, Louisvillle, CO Tel (303) Mobile (314) SUBMITTALS. Shop drawings of each pavement sensor system component shall be submitted to the DEN Project Manager for review and approval and be approved prior to ordering any materials for this item. This submittal shall include the proposed method of installation for all components. The submittal shall include data on all component parts of the item or system. The data submitted shall be sufficient, in the opinion of the DEN Project Manager, to determine compliance with the Contract Documents. The Contractor's submittals shall be in accordance with Item L QUALIFICATIONS. The DEN Project Manager reserves the right to reject any and all equipment, materials or procedures which, in the DEN Project Manager s opinion, does not meet the system design and the standards and codes specified herein GENERAL. EQUIPMENT AND MATERIALS a. All equipment and materials covered by other referenced specifications shall be subject to acceptance through manufacturer s certification of compliance with the applicable specification when requested by the DEN Project Manager. b. All items not specified in these specifications or shown on the construction plans, but recognized to be required and involved in carrying out the system installation shall ADDENDUM #3 ENGINEERING REVISION NO. 0 12/14/2017 L-132-1

16 TECHNICAL SPECIFICATIONS DENVER INTERNATIONAL AIRPORT DIVISION 2 AIRFIELD STANDARDS RUNWAY 7/25 COMPLEX LIGHTING AND PAVEMENT REHABILITATION ITEM L-132 RUNWAY SURFACE CONDITION SENSOR SYSTEM CONTRACT NO be included and performed as though they were specifically delineated, described and mentioned GUARANTEES. All equipment and materials furnished and installed under this section shall be guaranteed against defects in materials and workmanship for a period of 24 months or the manufacturer's standard guarantee period whichever is greater, from final acceptance by DEN. The defective materials and/or equipment shall be replaced with no additional cost to DEN CONDUIT. Conduit shall conform to Item L-110 Airport Underground Electrical Duct CONCRETE. Concrete and steel reinforcement shall conform to Item P-610 Structural Portland Cement Concrete WIRE. Power wire and cable shall be in accordance with Item L-108 Installation of Underground Cable for Airports unless otherwise required by the manufacturer for proper operation of the system MULTI-PAIR CONTROL CABLE. Multi-pair control cable shall conform to DIN VDE 0812, Equipment Wires and Stranded Equipment Wires for Telecommunications Systems and Data Processing Systems, and DIN VDE 0814, Cords for Telecommunication Systems and Information Processing Systems, color coded to DIN 47100, International Electrotechnical Commission (IEC) Class 5, Conductors of Insulated Cables. The cable shall be 3-twisted pairs, No. 16 (30/30) AWG bare copper with tinned copper wire shield, PVC core insulation and PVC outer jacket, 250V minimum working voltage. Also referenced as LiYCY TP. Type V surface sensor control cable shall conform to USDA, Rural Electrification Administration (REA) Bulleting , PE-39, Specification for Fully Color-Coded, Polyethylene Insulated, Double Polyethylene- Jacketed Filled Telephone Cables for Direct Burial. The cable shall be multiple conductor #19 AWG solid copper with either inch copper or inch thick aluminum shield CONTROL CABLE SPLICES. Control cable splices shall consist of a pressure cast splice, employing a plastic mold and using epoxy resin equal to that manufactured by Minnesota Mining and Manufacturing (3M) Company, Scotchcast electrical insulating resin No. 4 for potting the splice is approved. Connections of cable and connectors shall be made using crimp connectors utilizing a crimping tool designed to make a complete crimp before the tool can be removed. No. 16 AWG telecommunications control wires may be connected by means of wrapped and soldered splice, 3M Company Moisture Proof UR type connector, or equal, or by a method approved by the DEN Project Manager. This means of splicing is the only type approved for telecommunications control cable BASE CAN. Base cans shall be in accordance with Item L-125 Airport Lighting Systems. ADDENDUM #3 ENGINEERING REVISION NO. 0 12/14/2017 L-132-2

17 TECHNICAL SPECIFICATIONS DENVER INTERNATIONAL AIRPORT DIVISION 2 AIRFIELD STANDARDS RUNWAY 7/25 COMPLEX LIGHTING AND PAVEMENT REHABILITATION ITEM L-132 RUNWAY SURFACE CONDITION SENSOR SYSTEM CONTRACT NO SURGE ARRESTER. At each Remote Processing Unit (RPU) site a surge arrester designed for 120/240 volts, 60Hz, 1 phase, 3 wire plus ground, all mode protection shall be supplied. All components shall be installed in a NEMA 4 with a hinged cover. Indicator lights shall be installed in the front cover to show when power is normal and when a device has failed. The surge suppressor shall be U.L. Listed under Standard No or be approved by the Federal Aviation Administration. Written verification of approval shall be submitted. Breakdown Voltage: (Turn On Threshold): 120V + 10% maximum operating (clamping) voltage. Operating Time: Less than 1 nanosecond. a. Maximum Surge Current (8 x 20 microsecond): 80 KA per mode, minimum. Fuses: Each surge suppression device shall be fused and there shall be no series devices in the power line. Field Replacement: Terminals: All fuses and surge suppression devices shall be field replaceable. Terminals shall securely hold #8 AWG copper wire OBSTRUCTION LIGHT. The obstruction lights shall conform to the requirements of AC 150/ , Specification for Obstruction Lighting Equipment. The steady-burning obstruction light shall be type L-810, steady burning, LED, single unit, operating from a 120V circuit. The obstruction lights shall be controlled by a photoelectric cell, with turn-on at 35fc and turn-off at 58fc RECEPTACLE. The Contractor shall provide a specification grade, 15A duplex GFCI receptacle. The receptacle shall meet the requirements of Federal Specification WC596. The receptacle shall include red LED trip indicator light and 10kA short circuit rating. Mount the receptacle in a cast box with an in-use metal cover RUNWAY PAVEMENT SURFACE CONDITION SYSTEM EQUIPMENT TO BE FURNISHED BY MANUFACTURER a. Remote Processing Unit (RPU). The contractor shall supply and install a rack mounted RPU electronics package with enclosure on a concrete foundation as noted on the Plans. The electronic cabinet shall be The RPU shall be enclosed inside a NEMA 4 lockable enclosure that is resistant to damage by weather. It shall be mounted on a freestanding, non-climbable, corrosion resistant, rack. The RPU hardware and software supplied for the project shall meet the following technical specifications. Each RPU shall collect data from sensor arrays that are shown on the drawings. There will be a total of eight sensor arrays for the complex. ADDENDUM #3 ENGINEERING REVISION NO. 0 12/14/2017 L-132-3

18 TECHNICAL SPECIFICATIONS DENVER INTERNATIONAL AIRPORT DIVISION 2 AIRFIELD STANDARDS RUNWAY 7/25 COMPLEX LIGHTING AND PAVEMENT REHABILITATION ITEM L-132 RUNWAY SURFACE CONDITION SENSOR SYSTEM CONTRACT NO RPU communication will be via wireless cell modem service to the supplier s Online Web site and shall utilize the most current published Federal Standard NTCIP-ESS protocol, with some manufacturer specific objects. The web site will poll the RPU via the IP addressable modem. The RPU shall incorporate watch-dog circuitry and monitor its own operation and reset itself if the RPU software enters an indeterminate state. The RPU shall also have the capability to be reset by a user administrator from the server. b. User Interface. The Contractor shall provide an Internet Hosted Web Site, RSCSS Online Navigator and provide access to RSCSS data using a widely available Internet browser (Internet Explorer). Access and display of current and historical RSCSS sensor data, and forecast data resident on hosted Web site shall be available. c. Passive Pavement Sensor-DRS511. The Contractor shall supply and install passive pavement sensor(s) as shown on the Drawings. The sensor shall be constructed of materials that have thermal characteristics similar to common pavement materials. The top of the sensor shall approximate the runway pavement color and texture. It shall be installed using manufacturer supplied epoxy sealer so the top is 1mm to 3mm (0.04 to 0.12 ) below the surrounding pavement surface. The sensor shall be thermally passive, providing stable operation over a temperature range from - 40⁰C to 60⁰C (-40 F to 140 F). Weather conditions, aircraft wheel loading, or deicing chemicals shall not degrade its performance. Sensor observation range is from 0.0mm to 7.0mm (0 to 0.3 ) with an accuracy of 0.1mm± (0.004 ) in a range of 0mm to 1.0mm (0 to 0.04 ). The reported surface states shall be dry, moist, wet, snow, icy, frosty, moist and chemical, and wet and chemical. d. Present Weather Detector and Visibility Sensor-PWD22. The Contractor shall supply and install a present weather/visibility sensor approximately 8 feet above ground on the RPU tower structure. This sensor shall function as a precipitation classifier, a precipitation rate meter, and a close range visibility sensor. The sensor shall be able to differentiate between rain, snow, mixed rain/snow, and drizzle as well as to measure actual precipitation rates as water equivalent. Sensor visibility range shall extend from 10 to 20,000m (32 to 65,600 feet). Sensor housing shall be all weather and ice-proof with optional heated optics to prevent ice, dew or frost buildup. Normal operating temperature range shall be from -40 C to 60 C (-40 F to 140 F). e. Air Temperature/Relative Humidity Sensor-HMP155. The Air Temperature/Relative Humidity Sensor shall have an air temperature-sensing element that operates over a temperature range of -80 C to 60 C (-112 F to 140 F). The relative humidity sensing element shall be the HUMICAP 180R(C) type and have a measuring range of 0 to 100% RH. ADDENDUM #3 ENGINEERING REVISION NO. 0 12/14/2017 L-132-4

19 TECHNICAL SPECIFICATIONS DENVER INTERNATIONAL AIRPORT DIVISION 2 AIRFIELD STANDARDS RUNWAY 7/25 COMPLEX LIGHTING AND PAVEMENT REHABILITATION ITEM L-132 RUNWAY SURFACE CONDITION SENSOR SYSTEM CONTRACT NO System dew point temperature shall be calculated by the RPU from the air temperature and relative humidity. Both atmospheric sensing elements shall be mounted on the RPU tower at the standard meteorological height of approximately 2m (6 ft) above ground level in a solar/wind-radiation shield. The radiation shield shall be a model DTR503A. The shield shall be supplied so that it can be mounted to the RPU mounting pole. f. Ultrasonic Wind Speed/Direction Sensor-WMT700. The contractor shall supply and install an ultrasonic wind sensor at the standard meteorological height of approximately 8 ft above ground level at the top of the RPU rack. The sensor has no moving parts and is available with analog or digital outputs. The sensor shall have an operating range of 0 to 65 m/s (0 to 145 mph). Wind speed accuracy shall be ±0.1 m/sec or 2%, with a resolution of 0.01 m/sec. The operating azimuth shall be 0 to 360 degrees with a wind direction accuracy of ±2 degrees, and resolution of 0.01 degrees. The temperature operating range shall be -40 C to 60 C (- 40 F to 140 F) with external heater option installed. g. Barometric Pressure Sensor-PTB110. The Contractor shall supply and install a solid-state barometric pressure sensor inside the RPU enclosure. The sensor shall have no moving parts, and have NIST-traceable calibration. The sensor shall have an operating range of hPa up to hPa depending upon installation elevation above sea level and supplier recommendations. Sensor accuracy shall be ±01.5hPa at a temperature operating range of -40 C to 60 C (-40⁰F to 140⁰F). h. The manufacturer of the surface scan sensor shall furnish the following materials: i. RPU #1 RPU ) PWD22 - Precipitation/Visibility Sensor 2) WMT700 Ultrasonic WS/WD Sensor 3) HMP155 Air Temperature / Relative Humidity Sensor 4) Mounting frame for installation into an aluminum RPU Cabinet 5) NEMA 4 RPU 6) Dual Obstruction LED Lights 7) Existing one can be reused if it s in good condition 8) PTB110 Barometric Pressure Sensor ii. RWS200 RPU RPU ) HMP155 Air Temperature / Relative Humidity Sensor 2) DRD11A Y/N Precipitation Sensor 3) Mounting frame for installation into an aluminum RPU Cabinet 4) NEMA 4 RPU 5) Airport Mounting Structure ADDENDUM #3 ENGINEERING REVISION NO. 0 12/14/2017 L-132-5

20 TECHNICAL SPECIFICATIONS DENVER INTERNATIONAL AIRPORT DIVISION 2 AIRFIELD STANDARDS RUNWAY 7/25 COMPLEX LIGHTING AND PAVEMENT REHABILITATION ITEM L-132 RUNWAY SURFACE CONDITION SENSOR SYSTEM CONTRACT NO iii. 6) Dual Obstruction LED Lights DRS511 Passive Pavement Sensor 1) 8 sensors total installed by contractor at locations indicated on drawings All other equipment including, foundation, mounting poles, unistruts, and all other materials and appurtenances shall be furnished and installed by the contractor RUNWAY PAVEMENT SURFACE CONDITION SYSTEM EQUIPMENT TO BE FURNISHED BY CONTRACTOR a. Contractor shall supply foundation, unitstrut, mounting pole, transformers, disconnect switches, and all other appurtenances required to complete the work but not provided for by the manufacturer. Refer to specification L-135 for details associated with the electrical equipment for the equipment rack. Note; the contractor shall also be responsible for hiring the manufacturer of the surface scan sensor to commission and calibrate the equipment as well as escorting the manufacturer on/off jobsite. Contractor shall contact the manufacturer prior to the bid to obtain, in writing, escort and management requirements as well as shop drawings of equipment. CONSTRUCTION METHODS GENERAL. Prior to start of any construction, a coordination meeting between the Airport, DEN Project Manager, Contractor, and Manufacturer should be scheduled. The meeting should as a minimum discuss phasing of work, responsibilities of each party, sensor and cable installation requirements, and scheduling of work. The Contractor shall furnish and install surface condition sensors as shown on the Plans. Installation of the sensors, cabling between sensors and RPU, and installation of the RPU itself shall be in accordance with the Plans, recommendations of the manufacturer and all federal, state and local codes. Each sensor shall have its own individual cable. The sensor cables shall be continuous between the RPU and each sensor and shall have no cable connector kits installed except for the passive pavement sensors COMMISSIONING. After completion of the surface scan sensor system equipment installation, the system vendor shall provide an on-site field engineer to start-up and test the entire system. The vendor s field engineer will make all final sensor connections to the RPU, perform all final system checks, sensor alignments, software setup, and software configuration to provide a fully operational system. A four-hour on-site training course of the system shall take place after the system is operational and tested GROUND CONNECTION AND GROUND ROD. The Contractor shall furnish and install ground rods, grounding cable, and exothermic welds for grounding the ADDENDUM #3 ENGINEERING REVISION NO. 0 12/14/2017 L-132-6

21 TECHNICAL SPECIFICATIONS DENVER INTERNATIONAL AIRPORT DIVISION 2 AIRFIELD STANDARDS RUNWAY 7/25 COMPLEX LIGHTING AND PAVEMENT REHABILITATION ITEM L-132 RUNWAY SURFACE CONDITION SENSOR SYSTEM CONTRACT NO frame of the assembly near the base. The ground rods shall be 3/4-inch diameter by 10 feet long and shall be copper or copper-clad steel MAINTENANCE MANUALS. The Contractor shall provide data for all equipment, material and components supplied or furnished under this section in the Operation and Maintenance Manuals. This data shall include cut sheets from the manufacturer and the manufacturer's installation, operation and maintenance manuals, recommended spare parts lists, any required test results, and other data. Final payment for any contract amounts shall not be processed without proper submittal of these manuals and review and approval by the DEN Project Manager. METHOD OF MEASUREMENT Furnishing and Commissioning of RPU Equipment (By Manufacturer). This bid item shall be measured by a lump sum cost furnished and shipped to the contractor s site at the airport. The equipment shall be furnished by the manufacturer (Vaisala) and shall include all equipment detailed in paragraph , paragraph h, parts i and ii. This bid item shall also include the cost of commissioning to be furnished by the manufacturer. Bid item includes all taxes, overhead, and cost from the manufacturer Installation of RPU Equipment (Work by Contractor). The RPU surface sensor installation and testing shall be measured by a lump sum cost, complete in place, ready for operation, and accepted as satisfactory by the Engineer. The RPU surface sensor installation and testing work shall include, but is not limited to: testing, securing, and coordination of manufacturer for their services to commission the system, coordination with DEN, furnishing and installing all hardware, foundation, conduit and cable to within 5 of foundation, grounding, enclosure, transformer(s), disconnect switch, strut, solar panels, batteries, and all the material, equipment, labor and coordination necessary to complete the work shown in the construction drawings and described herein, complete in place and to the full satisfaction to the Engineer. This bid item does not include furnishing the equipment detailed in paragraph but does include installation of the material per manufacturer recommendations. Note; this bid item does not include surface scan Type V cable which shall be bid in paragraph Contractor shall contact manufacturer prior to the bid to obtain all requirements, details, installation notes, and scheduling requirements. This bid item includes the cost of both sets of RPU as shown on the construction drawings. This bid item covers both RPU foundation rack and equipment for both RPUS to be installed: RPU and This bid item covers the removal and demolition of the existing RPUs Surface Scan Sensor Cable Type II V. The surface scan cable shall be measured by linear foot, complete in place, ready for operation, and accepted as satisfactory by the Engineer. The cost of the cable shall include removal of existing cable, mandrel of conduit, furnishing and installation of new cable and any splice connections required. Contractor shall contact the manufacturer of the surface scan sensory equipment to ascertain pulling tensions prior to the bid. ADDENDUM #3 ENGINEERING REVISION NO. 0 12/14/2017 L-132-7

22 TECHNICAL SPECIFICATIONS DENVER INTERNATIONAL AIRPORT DIVISION 2 AIRFIELD STANDARDS RUNWAY 7/25 COMPLEX LIGHTING AND PAVEMENT REHABILITATION ITEM L-132 RUNWAY SURFACE CONDITION SENSOR SYSTEM CONTRACT NO Furnish Passive Pavement Sensors. This bid item shall be measured by a lump sum cost furnished and shipped to the contractor s site at the airport. The equipment shall be furnished by the manufacturer (Vaisala) and shall include all equipment detailed in paragraph , paragraph h, part iii. This bid item shall also include the cost of commissioning to be furnished by the manufacturer. Bid item includes all taxes, overhead, and cost from the manufacturer Install Passive Pavement Sensor. The quantity of equipment installed as completed units in place, accepted by the DEN Project Manager and ready for operation will be measured per each. This item shall include all work required to install new passive pavement sensors as described in this specification and detailed in the plans. Also included shall be the installation of sensor cable from the sensor to the nearest junction box, removal of existing sensor, pavement cutting, epoxy, and all tools, supplies, and incidentals. BASIS OF PAYMENT Payment shall be made in accordance with the following items: L-132a Furnishing and Commissioning of RPU Equipment LS L-132b Installation of RPU Equipment LS L-132c Surface Scan Sensor Cable - Type V. LF L-132d Furnish Passive Pavement Sensors LS L-132e Install Passive Pavement Sensor EA END OF ITEM L-132 ADDENDUM #3 ENGINEERING REVISION NO. 0 12/14/2017 L-132-8

23 CITY & COUNTY of DENVER DENVER INTERNATIONAL AIRPORT CITY AND U CO N SE TY AL OF DENVER RUNWAY 7/25 COMPLEX LIGHTING AND PAVEMENT REHABILITATION 5 ISSUE RECORD NO. BY PURPOSE DATE CKD 1 BRG IFR 60% 31AU17 2 BRG IFR 90% 29SE17 3 BRG IFR 100% 03NO17 4 BRG IFB 20NO17 5 BRG ADD#3 14DE17 5 SCALE NO SCALE DATE AUGUST 31, 2017 DRAWN BY: A.P.A. CHECKED BY: C.L.G. FAA AIP NO: WORK BREAKDOWN NO. DESIGN CONTRACT NO TASK 8 CONST. CONTRACT NO. VOLUME NO. SHEET TITLE INDEX TO DRAWINGS (2 OF 2) SHEET NO. CADD FILE NO. G OF 295 _ T8-B1GIND-002-R725 1

24 CITY & COUNTY of DENVER DENVER INTERNATIONAL AIRPORT 6 CITY AND U CO N SE TY AL OF DENVER RUNWAY 7/25 COMPLEX LIGHTING AND PAVEMENT REHABILITATION ISSUE RECORD NO. BY PURPOSE DATE CKD 1 BRG IFR 60% 31AU17 2 BRG IFR 90% 29SE17 3 BRG IFR 100% 03NO17 4 BRG IFB 20NO17 5 BRG ADD#2 13DE17 6 BRG ADD#3 14DE SCALE NO SCALE DATE AUGUST 31, 2017 DRAWN BY: A.P.A. CHECKED BY: C.L.G. FAA AIP NO: WORK BREAKDOWN NO. 6 DESIGN CONTRACT NO TASK 8 CONST. CONTRACT NO VOLUME NO. SHEET TITLE SUMMARY OF APPROXIMATE QUANTITIES SHEET NO. CADD FILE NO. G OF 295 _ T8-B1GQTY-004-R725 1

25 UNION CITY & COUNTY of DENVER DENVER INTERNATIONAL AIRPORT CITY AND CO UN SE TY AL OF DENVER RUNWAY 7/25 COMPLEX LIGHTING AND PAVEMENT REHABILITATION AND STATE OF COLORADO CONSTITUTION NIL 1 SINE NUMINE ISSUE RECORD NO. BY PURPOSE DATE CKD 1 BRG IFR 60% 31AUG17 2 BRG IFR 90% 29SE17 3 BRG IFR 100% 03NO17 4 BRG IFB 20NO17 SCALE NTS DATE AUGUST 31, 2017 DRAWN BY: CHECKED BY: FAA AIP NO: WORK BREAKDOWN NO. DESIGN CONTRACT NO TASK 8 CONST. CONTRACT NO. VOLUME NO. SHEET TITLE NEW ELECTRICAL SYMBOLS SHEET NO. CADD FILE NO. EL OF 295 _ T8-B1EELP-EL001-R725 1

26 UNION RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA KEY PLAN TW B RW 7/25 B4 TW 40 TW G CITY & COUNTY of DENVER DENVER INTERNATIONAL AIRPORT CITY AND CO UN SE TY AL OF DENVER RUNWAY 7/25 COMPLEX LIGHTING AND PAVEMENT REHABILITATION AND STATE OF COLORADO CONSTITUTION NIL SINE NUMINE ISSUE RECORD NO. BY PURPOSE DATE CKD 1 BRG IFR 60% 31AUG17 2 BRG IFR 90% 29SE17 3 BRG IFR 100% 03NO17 4 BRG IFB 20NO17 SCALE 1"=60' DATE AUGUST 31, 2017 DRAWN BY: CHECKED BY: FAA AIP NO: WORK BREAKDOWN NO. RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA DESIGN CONTRACT NO TASK 8 CONST. CONTRACT NO. VOLUME NO. SHEET TITLE NEW ELECTRICAL PLAN 2 SHEET NO. CADD FILE NO. EL OF 295 _ T8-B1EELP-EL102-R725 1

27 UNION A RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA KEY PLAN TW B RW 7/25 B4 TW 40 TW G CITY & COUNTY of DENVER DENVER INTERNATIONAL AIRPORT CITY AND CO UN SE TY AL OF DENVER RUNWAY 7/25 COMPLEX LIGHTING AND PAVEMENT REHABILITATION AND STATE OF COLORADO CONSTITUTION NIL SINE NUMINE ISSUE RECORD NO. BY PURPOSE DATE CKD 1 BRG IFR 60% 31AUG17 2 BRG IFR 90% 29SE17 3 BRG IFR 100% 03NO17 4 BRG IFB 20NO17 SCALE 1"=60' DATE AUGUST 31, 2017 DRAWN BY: CHECKED BY: FAA AIP NO: WORK BREAKDOWN NO. A RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA DESIGN CONTRACT NO TASK 8 CONST. CONTRACT NO. VOLUME NO. SHEET TITLE NEW ELECTRICAL PLAN 4 SHEET NO. CADD FILE NO. EL OF 295 _ T8-B1EELP-EL102-R725 1

28 UNION RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA KEY PLAN TW B RW 7/25 B4 TW 40 TW G CITY & COUNTY of DENVER DENVER INTERNATIONAL AIRPORT CITY AND CO UN SE TY AL OF DENVER STATE OF COLORADO CONSTITUTION NIL SINE NUMINE RUNWAY 7/25 COMPLEX LIGHTING AND PAVEMENT REHABILITATION AND ISSUE RECORD NO. BY PURPOSE DATE CKD 1 BRG IFR 60% 31AUG17 2 BRG IFR 90% 29SE17 3 BRG IFR 100% 03NO17 4 BRG IFB 20NO17 SCALE 1"=60' DATE AUGUST 31, 2017 DRAWN BY: CHECKED BY: FAA AIP NO: WORK BREAKDOWN NO. RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA DESIGN CONTRACT NO TASK 8 CONST. CONTRACT NO. VOLUME NO. SHEET TITLE NEW ELECTRICAL PLAN 7 SHEET NO. CADD FILE NO. EL OF 295 _ T8-B1EELP-EL102-R725 1

29 UNION RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA KEY PLAN TW B RW 7/25 B4 TW 40 TW G CITY & COUNTY of DENVER DENVER INTERNATIONAL AIRPORT CITY AND CO UN SE TY AL OF DENVER RUNWAY 7/25 COMPLEX LIGHTING AND PAVEMENT REHABILITATION AND STATE OF COLORADO CONSTITUTION NIL SINE NUMINE ISSUE RECORD NO. BY PURPOSE DATE CKD 1 BRG IFR 60% 31AUG17 2 BRG IFR 90% 29SE17 3 BRG IFR 100% 03NO17 4 BRG IFB 20NO17 SCALE 1"=60' DATE AUGUST 31, 2017 DRAWN BY: CHECKED BY: FAA AIP NO: WORK BREAKDOWN NO. RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA DESIGN CONTRACT NO TASK 8 CONST. CONTRACT NO. VOLUME NO. SHEET TITLE NEW ELECTRICAL PLAN 10 SHEET NO. CADD FILE NO. EL OF 295 _ T8-B1EELP-EL102-R725 1

30 UNION RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA KEY PLAN TW B RW 7/25 B4 TW 40 TW G CITY & COUNTY of DENVER DENVER INTERNATIONAL AIRPORT CITY AND CO UN SE TY AL OF DENVER RUNWAY 7/25 COMPLEX LIGHTING AND PAVEMENT REHABILITATION AND STATE OF COLORADO CONSTITUTION NIL SINE NUMINE ISSUE RECORD NO. BY PURPOSE DATE CKD 1 BRG IFR 60% 31AUG17 2 BRG IFR 90% 29SE17 3 BRG IFR 100% 03NO17 4 BRG IFB 20NO17 SCALE 1"=60' DATE AUGUST 31, 2017 DRAWN BY: CHECKED BY: FAA AIP NO: WORK BREAKDOWN NO. RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA DESIGN CONTRACT NO TASK 8 CONST. CONTRACT NO. VOLUME NO. SHEET TITLE NEW ELECTRICAL PLAN 12 SHEET NO. CADD FILE NO. EL OF 295 _ T8-B1EELP-EL102-R725 1

31 UNION RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA KEY PLAN TW B RW 7/25 B4 TW 40 TW G CITY & COUNTY of DENVER DENVER INTERNATIONAL AIRPORT CITY AND CO UN SE TY AL OF DENVER RUNWAY 7/25 COMPLEX LIGHTING AND PAVEMENT REHABILITATION AND STATE OF COLORADO CONSTITUTION NIL SINE NUMINE ISSUE RECORD NO. BY PURPOSE DATE CKD 1 BRG IFR 60% 31AUG17 2 BRG IFR 90% 29SE17 3 BRG IFR 100% 03NO17 4 BRG IFB 20NO17 SCALE 1"=60' DATE AUGUST 31, 2017 DRAWN BY: CHECKED BY: FAA AIP NO: WORK BREAKDOWN NO. RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA DESIGN CONTRACT NO TASK 8 CONST. CONTRACT NO. VOLUME NO. SHEET TITLE NEW ELECTRICAL PLAN 15 SHEET NO. CADD FILE NO. EL OF 295 _ T8-B1EELP-EL102-R725 1

32 TOFA UNION TOFA TOFA TOFA TOFA TOFA TOFA TOFA TOFA TOFA TOFA TOFA TOFA KEY PLAN TW B RW 7/25 B4 TW 40 TW G CITY & COUNTY of DENVER DENVER INTERNATIONAL AIRPORT CITY AND CO UN SE TY AL OF DENVER RUNWAY 7/25 COMPLEX LIGHTING AND PAVEMENT REHABILITATION AND STATE OF COLORADO CONSTITUTION NIL SINE NUMINE TOFA TOFA TOFA TOFA TOFA TOFA ISSUE RECORD NO. BY PURPOSE DATE CKD 1 BRG IFR 60% 31AUG17 2 BRG IFR 90% 29SE17 3 BRG IFR 100% 03NO17 4 BRG IFB 20NO17 FA ROFA ROFA ROFA ROFA ROFA ROFA ROFA ROFA ROFA ROFA ROFA SCALE 1"=60' DATE AUGUST 31, 2017 DRAWN BY: CHECKED BY: FAA AIP NO: WORK BREAKDOWN NO. DESIGN CONTRACT NO TASK 8 CONST. CONTRACT NO. VOLUME NO. SHEET TITLE NEW ELECTRICAL PLAN 22 SHEET NO. CADD FILE NO. EL OF 295 _ T8-B1EELP-EL102-R725 1

33 UNION CITY & COUNTY of DENVER DENVER INTERNATIONAL AIRPORT CITY AND CO UN SE TY AL OF DENVER OFA TOFA TOFA TOFA TOFA TOFA TOFA TOFA TOFA TOFA TOFA TOFA RUNWAY 7/25 COMPLEX LIGHTING AND PAVEMENT REHABILITATION AND KEY PLAN TW B RW 7/25 TW B4 40 TW G STATE OF COLORADO CONSTITUTION NIL SINE NUMINE ISSUE RECORD NO. BY PURPOSE DATE CKD 1 BRG IFR 60% 31AUG17 2 BRG IFR 90% 29SE17 3 BRG IFR 100% 03NO17 4 BRG IFB 20NO17 TOFA TOFA TOFA TOFA TOFA TOFA TOFA TOFA TOFA TOFA TOFA TOFA SCALE 1"=60' DATE AUGUST 31, 2017 DRAWN BY: CHECKED BY: FAA AIP NO: WORK BREAKDOWN NO. DESIGN CONTRACT NO TASK 8 CONST. CONTRACT NO. VOLUME NO. SHEET TITLE NEW ELECTRICAL PLAN 36 SHEET NO. CADD FILE NO. EL OF 295 _ T8-B1EELP-EL102-R725 1

34 UNION CITY & COUNTY of DENVER DENVER INTERNATIONAL AIRPORT CITY AND CO UN SE TY AL OF DENVER RUNWAY 7/25 COMPLEX LIGHTING AND PAVEMENT REHABILITATION AND STATE OF COLORADO CONSTITUTION NIL SINE NUMINE ISSUE RECORD NO. BY PURPOSE DATE CKD 1 BRG IFR 60% 31AUG17 2 BRG IFR 90% 29SE17 3 BRG IFR 100% 03NO17 4 BRG IFB 20NO17 SCALE NTS DATE AUGUST 31, 2017 DRAWN BY: CHECKED BY: FAA AIP NO: WORK BREAKDOWN NO. DESIGN CONTRACT NO TASK 8 CONST. CONTRACT NO. VOLUME NO. SHEET TITLE PAVEMENT SENSOR DETAILS 1 SHEET NO. EL A OF 295 CADD FILE NO. _ T8-B1EELP-510-R725