Amendment_4_Revised_Specifications.pdf

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12/2015 FACILITY GROUND-MOUNTED, POTABLE -WATER STORAGE TANKS

SECTION 22 12 19 - FACILITY GROUND-MOUNTED, POTABLE-WATER STORAGE TANKS

PART 1 - GENERAL

1.1 SUMMARY

A. This Section includes bolted-steel reservoirs for storage of domestic and fire-suppression water.

1.2 DEFINITIONS

A. Reservoir: Flat-bottomed, cylindrical, surface water-storage tank with shell height equal to or less than its diameter.

B. Standpipe: Flat-bottomed, cylindrical, surface water-storage tank with shell height greater than its diameter.

1.3 ACTION SUBMITTALS

A. Product Data: Include rated capacities, accessories, appurtenances, and furnished specialties for each surface water-storage tank indicated.

B. Shop Drawings: Signed and sealed by a qualified professional engineer. Show fabrication and installation details for each surface water-storage tank, including the following:

1. Tank, roof, and shell openings.

2. Safety railings and ladders.

3. Plans, elevations, sections, details, and attachments to other work.

4. Structural analysis data for tank and foundation signed and sealed by a Professional

Structural Engineer licensed in California.

5. Power, signal, and control wiring.

6. Foundation design

C. Disinfection Plan: Submit disinfection plan to the Utility Brank of Facility Management for approval fourteen (14) days prior to scheduled start of disinfection.

1.4 INFORMATIONAL SUBMITTALS

A. Qualification Data: For fabricator.

B. Welding certificates.

C. Bacteriological test results.

D. Field quality-control test reports.

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1.5 CLOSEOUT SUBMITTALS

A. Operation and Maintenance Data: For the following to include in emergency, operation, and maintenance manuals:

1. Obstruction lighting.

2. Lightning protection.

3. Cathodic protection.

4. Tank heaters.

1.6 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.7 PERFORMANCE REQUIREMENTS

A. Structural Performance: Surface water-storage tank, including structural reinforcement and foundation, shall be capable of withstanding the effects of dead and live gravity loads and winds of 85 mph. Design snow load is 160 pounds per square foot. Design deck load is 15 pounds per square foot.

B. Seismic Performance: Surface water-storage tank, including structural reinforcement and foundation, shall be capable of withstanding the effects of earthquake motions determined according to authorities having jurisdiction. See geotechnical report for seismic design criteria.

C. Thermal Movements: Surface water-storage tank, including structural reinforcement and foundation, shall allow for thermal movements resulting from the following maximum change (range) in ambient and surface temperatures by preventing buckling, opening of joints, overstressing of components, failure of connections, and other detrimental effects. Base engineering calculations on surface temperatures of materials due to both solar heat gain and nighttime-sky heat loss.

1. Temperature Change (Range): 120 deg F , ambient; 180 deg F material surfaces.

1.8 QUALITY ASSURANCE

A. Fabricator Qualifications: Employ a qualified structural engineer to prepare calculations, Shop Drawings, and other structural data for fabrication and erection of surface water-storage tanks.

1. Engineering Responsibility: Preparation of data for surface water-storage tanks, accessories, specified appurtenances, and concrete supports and foundations, including Shop Drawings, based on testing and engineering analysis of manufacturer's standard units in assemblies similar to those indicated for this Project.

B. Welding: Qualify procedures and personnel according to the following:

1. AWS D1.1/D1.1M, "Structural Welding Code--Steel."

2. AWS D1.3, "Structural Welding Code--Sheet Steel."

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3. AWS D1.4, "Structural Welding Code--Reinforcing Steel."

C. Pipe Welding: Qualify procedures and personnel according to ASME Boiler and Pressure Vessel Code: Section IX, "Welding and Brazing Qualifications."

D. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, Article 100, by a testing agency acceptable to authorities having jurisdiction, and marked for intended use.

E. Comply with AWWA D100, "Welded Steel Tanks for Water Storage," and with AWWA M42, "Steel Water-Storage Tanks," for welded-steel, surface water-storage tanks and AWWA D103 “Factory Coated Bolted Carbon Steel Tanks for Water-Storage”.

F. Comply with NFPA 22, "Water Tanks for Private Fire Protection," for surface water-storage tanks for fire-suppression water supply.

PART 2 - PRODUCTS

2.1 BOLTED-STEEL

A. Available Manufacturers: Subject to compliance with requirements, manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following:

B. Manufacturers: Subject to compliance with requirements.

C. Description: Bolted-steel plates, bolts, rods, and reinforcing steel; designed and fabricated according to AWWA D103, AWWA M42, and NFPA 22.

1. Capacity: 45,000 gal.

2. Low profile roof.

3. Reservoir Shell Diameter: 21.5 feet.

4. Pipe Connection: Match size of water-distribution pipe.

5. Overflow Piping: ASTM A 53/A 53M, Grade B, Schedule 40, welded-steel pipe with

ASTM A 234/A 234M, Grade WPB, Schedule 40, carbon-steel butt-weld fittings.

6. Roof Hatch: Steel, hinged cover, 24 by 15 inches minimum with 4-inch neck and 2-inch downward overlap with hasp and lock, located over interior ladder and adjacent to exterior ladder.

7. Roof Manhole: Steel, removable, 20-inch-minimum-diameter cover with 4-inch neck and 2-inch-downward overlap with hasp and lock. Construct opening with capability of supporting ventilation fan.

8. Shell Sidewall Manholes: Two, steel, circular, 24 inches in diameter minimum.

9. Painter's Accessories: Include lugs inside and outside tank for painting.

10. Tank Vent: Steel pipe with stainless-steel screen, constructed to prevent entrance of rain, insects, birds, and animals. Include pressure-vacuum screened vent or separate pressure-vacuum relief mechanism to maintain clear screen.

11. Foundation: Reinforced concrete. Refer to Section 033000 "Cast-in-Place Concrete."

a. Foundation design by manufacturer.

http://www.specagent.com/LookUp/?Section=221219&SectionReleaseDate=3/01/2010&DocType=FL&ToolID=1&ulid=2092&src=altarix

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2.2 PAINT MATERIALS

A. Paint: Comply with AWWA D102.

B. Primer: Tank fabricator's standard epoxy-polyamide paint.

C. Tank Shell Interior Finish Paint: Tank fabricator's standard epoxy-polyamide paint complying with NSF 61 and compatible with prime coat.

D. Tank Shell Exterior Intermediate Paint: Tank fabricator's standard, two-component epoxy paint compatible with prime and finish paint. Intermediate coat shall have a slight color contrast with finish coat.

E. Tank Shell Exterior Finish Paint: Tank fabricator's standard urethane paint.

1. Color: As selected by Owner from tank manufacturer's paint chart.

2.3 SURFACE WATER-STORAGE TANK APPURTENANCES

A. Target-type water level indicator shall be either custom-fabricated or of standard manufacture meeting the functional requirements stated herein, consisting of a target sliding vertically in a channel over a graduated scale. The target shall be actuated by stainless steel cable attached to a float through a pulley system mounted on top of the tank and shall be equipped with a guide, or guides. All components shall be fabricated of materials that will not corrode in service. The target board shall be marked in feet with figures and markings of such a size to be legible to the naked eye at a distance of 500 feet. Direct read tank level indicator shall be Versa-Steel, Inc., or approved equivalent.

B. Lightning Protection: Comply with state requirements Cathodic Protection: Comply with

AWWA D104.

PART 3 - EXECUTION

3.1 STEEL, SURFACE WATER-STORAGE TANK INSTALLATION

A. Erect tank shell, accessories, and appurtenances according to AWWA D103 and AWWA M42.

B. Fabricate steel plate sections in the shop. Erect tank shell by bolting plate sections in the field.

C. Set top of reinforced-concrete foundation at least 6 inches above finish grade.

D. Install roof hatch near exterior ladder.

E. Install roof manhole near center of roof.

F. Install tank vent at center of roof.

G. Install two manholes in tank wall near grade.

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3.2 CONNECTIONS

A. Connect tanks to water-distribution piping.

B. Connect drains to storm-drainage piping.

C. Ground equipment according to Section 260526 "Grounding and Bonding for Electrical Systems."

3.3 SURFACE PREPARATION OF STEEL TANKS

A. Surface preparation is specified in Section 09 90 00 "Painting and Coating.”

B. Field Cleaning: After erecting tank shell, remove burrs, dirt, and construction debris and repair damaged finishes. Remove weld splatter, sharp edges on weld seams, and scabs and slivers by grinding. Remove weld flux, slag, fins, and laminations.

C. Field Surface Preparation: After field cleaning, prepare steel surfaces where shop prime coat has been damaged, according to Specifications listed above for shop cleaning, and remove dust or residue from cleaned surfaces.

D. If surface develops rust before prime coat is applied, repeat field surface preparation.

3.4 FIELD PAINTING

A. Surface preparation is specified in Section 09 90 00 "Painting and Coating.”

B. Apply paint according to AWWA D102.

C. Prime-Coat Touchup: Apply primer to cleaned areas and where shop finish has been damaged during shipping, handling, and erection. Apply prime coat to a dry film thickness of 3.0 to 5.0 mils for tank interior and to a dry film thickness of 2.0 to 3.0 mils for exterior tank and support surfaces.

D. Tank Shell Interior Finish Coats: Apply 2 coats of interior finish paint above bottom ring to a dry film thickness of 4.0 to 5.0 mils . Apply interior finish paint to surfaces below bottom ring to a dry film thickness of 8.0 to 10.0 mils .

E. Tank Shell and Steel Support Exterior Coats: Apply intermediate paint to a dry film thickness of

2.0 to 3.0 mils . Apply finish paint to a dry film thickness of 2.0 to 3.0 mils .

F. Tank Exterior Lettering and Logo: Apply two coats of urethane paint to a dry film thickness of

2.0 to 3.0 mils for each application.

G. Overflow Pipe: Paint pipe exterior that is outside tank and structure as indicated for tank exterior.

H. Exterior Ladders: Paint as indicated for tank shell exterior.

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I. Do not paint if ambient temperature is less than 50 deg F or is expected to drop below 40 deg F in the next 18 hours. Do not paint if temperature of steel surface is higher than 125 deg F . Do not apply paint if surfaces are wet or damp, if precipitation is expected, or if relative humidity will exceed 85 percent. Do not spray paint when wind velocity exceeds 15 mph . Maintain at least a 24-hour waiting period between coats. Provide adequate ventilation in tank during painting to maintain clear atmosphere and provide explosion-proof flood lighting and spot lighting.

J. Complete daily painting to allow time for paint to dry before condensation is expected.

3.5 SURFACE WATER-STORAGE TANK APPURTENANCE INSTALLATION

A. Install and adjust water-level indicator.

B. Install lightning protection.

C. Install cathodic protection according to AWWA D104.

3.6 FIELD QUALITY CONTROL

A. Testing: Owner will engage a qualified testing agency to perform the following field quality-control testing:

1. Tank Weld Test: Use radiographic method according to AWWA D103, AWWA D100.

Repair failures and retest.

2. Leak Test: Comply with AWWA D103, AWWA D100 and NFPA 22. Fill tanks with potable water and test for leaks after installation. Repair leaks and retest until no leaks exist.

a. Water will be furnished by Owner.

3. Test and adjust controls and safeties. Replace damaged and malfunctioning controls and equipment.

4. After disinfection and leakage testing have been completed and before the tank is placed into service, water from the tank shall be sampled following 5 days of soaking and tested by the Owner for Volatile Organic Compounds (VOCs) in accordance with EPA Method 502.2.

5. If VOCs exceed drinking water standards established by the California Department of Public Health, the Contractor shall take whatever measures are necessary to reduce VOCs to acceptable limits, providing however, that the influent water source does not exceed the drinking water standard.

B. Remove and replace malfunctioning units and retest as specified above.

3.7 CLEANING

A. Clean interior and exterior of surface water-storage tanks.

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B. Disinfect surface water-storage tanks according to AWWA C652.

3.8 DEMONSTRATION

A. Engage a factory-authorized service representative to train Owner's maintenance personnel to adjust, operate, and maintain the following. Refer to Section 017900 "Demonstration and Training."

1. Obstruction lighting.

2. Water-level controls.

3. Tank heaters.

3.9 WARRANTY

A. The Contractor shall warrant the tank against any defects in workmanship and materials for a period of ten years from the date of installation.

END OF SECTION 22 12 19

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2/2016 DOMESTIC WATER FILTRATION EQUIPMENT

SECTION 22 32 00 – DOMESTIC WATER FILTRATION EQUIPMENT

PART 1 - GENERAL

1.1 SUMMARY

A. Section includes design and construction of two chlorination systems, one at Lower Grove and one at South Entrance.:

1. Chlorination system shall meet requirements of County Environmental Health

Department and the State Water Resources Control Board for a transient non-community water system.

1.2 ACTION SUBMITTALS

A. Product Data: For each type of product indicated.

B. Disinfection Plan: Submit to Utility Branch of Facility Management for approval fourteen

(14) days prior to start of work.

1.3 INFORMATION SUBMITTALS

A. Detailed plan of the equipment and layout at each location that provides the desired level of treatment for the peak flows. The equipment shall be equal or better than the products listed below.

B. Description and specification of all products to be utilized at each location.

C. Qualifications and experience of personnel under whose supervision chlorination or dechlorination is to be performed when using pressurized liquid chlorine described in AWWA B301 or other pressurized chemicals..

D. Field quality control reports.

E. Maintenance and operations manuals.

1.4 RELATED SECTIONS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division Specification Sections, apply to this Section.

B. Section Includes:

1. Domestic Water Filtration.

C. Related Requirements:

1. Section 134440 “Pre-Manufactured Buildings”

2. Section 22 11 00 “Domestic Water Systems.”

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3. Section 33 10 00 “Water Distribution.”

4. Section 33 13 00 “Disinfection of Water Lines.”

5. Section 40 63 50 “PLC & OI Hardware”

PART 2 - PRODUCTS

2.1 MATERIALS

A. CHLORINE shall be sodium hypochlorite in a 12.5% solution.

B. Chemical Metering Pump

1. South Entrance – 0.72 to 6 gallons per day 125 psi pump

2. Lower Grove - 0.72 to 6 gallons per day 125 psi pump

3. Pumps shall be connected to the 120V wall outlets.

4. Injection Pumps shall be Blue-White Flex Flow – Insertion Pump or equal accepting 4-20 mA from "paddle wheel" flow sensor with interface, AI/AO, manual adjustable speed, and pacing signal.

C. Solution Tank

1. South Entrance – 5 gallon polyethylene clear scaled solution tank

2. Lower Grove – 5 gallon polyethylene clear scaled solution tank

D. Pipe Saddle

1. South Entrance - Steel tee pipe saddle with paddlewheel insertion meter for proportional injection

2. Lower Grove - Steel tee pipe saddle with paddlewheel insertion meter for proportional injection

E. Contact Tanks

1. South Entrance – two or three composite pressure vessels with a minimum capacity of 1020 gallons.

2. Lower Grove – one or two composite pressure vessels with a minimum capacity of

462 gallons.

3. All vessels shall be 100% composite fiberglass and have a polyethylene liner on the inner shell. Minimum burst pressure shall be 600 psi. Tanks shall be tested to 100,000 cycles without leaking.

4. Manufacture: Pentair, or approved equal.

F. Other Components

1. Digital weight scale on solution tank (4-20 mA).

2. Hach CL17 Monitor/Analyzer (chlorine monitoring) or approved equal.

3. Chart Recorder (Honeywell DR 4 pin or approved equal) with pin 1 for indicating tank pressure/level, pin 2 chlorine level ppm, pin 3 for water meter readings, 1 spare.

4. Electronic Pressure Sensors Raw and Treated with AOs.

5. Analog pressure gauge raw and treated.

6. Gallons Per Minute/Totalizer display (L2000 display and Badger Turbine 6 dial

Water Meter equipped ADE for connection to "Itron" ERW endpoint or approved equal.

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7. Digital Pressure Gauge for Tank Level (4 – 20 mA).

8. Programmable Logic Controller for Analog/Digital Inputs & Outputs for SCADA displays, alarming and telemetry as specified in section 40 63 50 “PLC & OI Hardware”.

9. S.E. AMR meter location treatment room.

10. Sink, hose bibs on raw and treated water, safety shower and eyewash.

11. SCADA components per above instrumentation.

12. Standard design for valving and isolation of removable components.

13. Sampling tubes and stations for checking raw and treated water.

14. Plumbing tree easily accessible for maintenance/repair Stainless steel metal storage rack for 4 boxes of chlorine with 4 – 1 gallon containers per box.

15. All components NSF-61 approved.

16. Containment pallet under solution tank equal or greater than solution tank size.

17. Badger water meter with wireless reader (4 to 20 mA) at South Entrance or approved equal.

PART 3 - EXECUTION

3.1 DESIGN

A. Coordinate utility connection and equipment attachment with pre-manufactured building supplier at South Entrance.

B. Coordinate utility connection and equipment attachment with other trades at Lower Grove.

C. Prepare a completed equipment layout diagram and profile with all valves and equipment required to provide chlorination of incoming water supply in accordance with state and federal standards. Provide equipment to monitor chlorination system using SCADA, new system shall be integrated with NPS exiting SCADA system Equipment layout diagram shall be approved by COR prior to construction.

D. Provide maintenance and operations manual for each location.

3.2 INSTALLATION

A. Purchase and install all equipment according to manufacturer’s recommendation.

3.3 CHLORINATION

A. Chlorine shall be injected at a rate of 1 part per million to treat coliform bacteria.

B. The chlorination system at South Entrance shall provide a peak daily use of 19,920 gallons at a flow rate up to 34 gallons per minute. Retention time will occur in the contact tanks to be located in the same room. The design peak water pressure at this location is 70 psi.

C. The chlorination system at Lower Grove shall provide a peak daily use of 7,360 gallons at a flow rate up to 15.4 gallons per minute. Retention time will occur in the contact tanks to be located in the same room. The design peak water pressure prior to the pressure reducing

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valve at this location is 115 psi. The design water pressure after this reducing valve is 80 psi.

D. Chlorination systems for both locations will utilize low power. The Lower Grove chlorination system shall be able to operate from a generator power with backup battery system.

END OF SECTION 22 32 00

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12/2015 COMMUNICATION EQUIPMENT

SECTION 27 20 00 – COMMUNICATION EQUIPMENT

PART 1 - GENERAL

1.1 SUMMARY

A. Furnish, install, test and integrate communications equipment including Ethernet Switches and Serial Device Servers at locations as shown in the Drawings.

B. Related Requirements:

1. Section 28 20 00 “Vehicle Detection”

2. Section 27 42 17 “Changeable Message Signs”

3. Section 27 15 23 “Fiber Optic Cable System”

1.2 SUBMITTALS

A. A minimum of 30 calendar days prior to ordering materials, the Contractor shall submit a list of all electrical, mechanical and Communication Equipment material and equipment including switch, conductors, cables, patch cords, and mounting hardware, and other accessories as required to be used on the project, accompanied by manufacturer’s literature and drawings for each item, including the manufacturer’s recommended methods of installation.

B. A test plan for testing the full functionality of the Communication Equipment for COR review and approval. This shall be submitted a minimum of 14 days before the proposed commencement of testing.

C. Documented test results for COR review and approval.

1.3 QUALIFICATIONS

A. Contractor shall have a minimum of 5 years of experience working the Intelligent Transportation Systems field and show history of completing projects of comparable size and complexity as well as necessary qualifications to complete the work.

1.4 WARRANTY OF WORK

A. Warranty period shall commence at Project Acceptance.

B. Warranty work shall include materials, installation and construction products.

C. Contractor shall provide a contact name and phone number for warranty work.

D. Response time for warranty work shall be within 48 hours.

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E. Contractor shall remove and replace any equipment components that fail during the warranty period.

PART 2 - PRODUCTS

2.1 MATERIALS

A. All new communication equipment, software and programming shall be compatible with the existing communications system. The manner in which new hardware and software is programmed and operated, shall be the same as the COR’s existing equipment.

B. Ethernet Switch

1. Switch shall be Siemens RuggedCom RS900-HI-D-C2-C2-XX-XX or approved equal.

2. Shall include a minimum of 6 10/100TX ports + 2 100FX ports, and support singlemode fiber.

3. Optical Ports shall utilize duplex SC connectors

4. Operating temperature: -40ºC to 85ºC (-40ºF to 185ºF).

5. Dimensions (H x W x D): 7” H x 4”W x 6”D (maximum).

6. Power: 120VAC, 10W max power consumption.

7. Shall be DIN Rail mountable.

C. Serial Device Server

1. The Serial Device Server shall be a Siemens Ruggedcom RMC30-HI-XX or approved equivalent.

2. The Device Server shall provide

a. One RS232 port

b. One RS422/485 port

c. One 10BaseTx port

3. The Serial Device server shall convert the serial data to Ethernet packets and Ethernet packets to serial data.

4. Shall support baud rates up to 115.2Kbps

5. Shall provide web-based, Telnet and CLI management interface

6. Operating temperature: -40ºC to 85ºC (-40ºF to 185ºF).

7. Dimensions (H x W x D): 4.5” H x 3”W x 4”D (maximum).

8. Power: 120VAC, 2W max power consumption.

9. Shall be DIN Rail mountable.

2.2 SPARE PARTS

A. The Contractor shall provide the following spare parts:

1. One (1) spare Ethernet Switch shall be provided as a spare part. The Ethernet Switch shall be the same model as the device installed in the field.

2. One (1) spare Serial Device Server shall be provided as a spare part. The Serial Device

Server shall be the same model as the device installed in the field.

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PART 3 - EXECUTION

3.1 EXAMINATION

A. All new equipment shall be inspected to ensure that it is free of defects, and that all components meet the requirements of this specification.

3.2 INSTALLATION

A. Communications Equipment shall be installed at locations as shown in the Drawings.

B. Communications Equipment shall be mounted on DIN Rail using manufacturer supplied or recommended hardware. All communications equipment shall be installed within a cabinet and other related specification sections.

C. All cables within the communication cabinets shall be neatly managed and labeled.

3.3 INTEGRATION

This shall include integrating the two new changeable message signs (CMS) and the two vehicle detectors with the existing Yosemite Traffic Management System (TMS). Specifically, the new South Entrance CMS software system shall be integrated with the existing Yosemite traffic management software system.

3.4 TRAINING & TESTING

A. The Contractor shall be responsible for all training, equipment orientation and testing that may be required to establish approval and acceptance of the all Switches, Serial Device Servers, Signs, etc.

B. The Contractor shall configure the Ethernet Switches and Serial Device Servers according to manufacturer’s instructions and shall demonstrate complete operability and with connected equipment and system.

C. All tests shall be witnessed and subjected to approval by COR. Notify COR at least 48 hours prior to testing.

END OF SECTION 27 20 00

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2/2016 CHANGEABLE MESSAGE SIGNS

SECTION 27 42 17 – CHANGEABLE MESSAGE SIGNS

PART 1 - GENERAL

1.1 SUMMARY

A. Furnish, install, test and integrate Changeable Message Signs (CMS) as shown on the Drawings and specified in this Section.

B. Furnish, and install CMS supports and foundations at locations as shown in the Drawings.

C. Related Requirements:

1. Section 27 20 00 “Communication Equipment”

2. Section 27 42 17 “Fiber Optic Cable”.

1.2 SUBMITTALS

A. Contractor Qualifications: ITS contractor qualifications shall be submitted for approval by COR at least 90 days before performing the work for approval by COR. The qualifications shall meet the requirements defined in this section.

B. A minimum of 30 days prior to ordering materials, the Contractor shall submit a list of all electrical and Changeable Message Signs material and equipment including signs, conductors, cables, patch cords, and mounting hardware, and other accessories as required to be used on the project, accompanied by manufacturer’s literature and drawings for each item, including the manufacturer’s recommended methods of installation. The COR’s approval is required prior to the committing of any materials or the commencement of any work.

C. Shop Drawings: Indicate structural requirements and materials requirements. Provide engineered, stamped drawings for CMS supports and foundation. Show plan and elevation views, foundation requirements, and details. The COR’s approval is required prior to the committing of any materials or the commencement of any work.

D. The physical design of the mounting system shall be submitted to COR for approval, before being finalized for installation. All mounting systems and bracket material shall be consistent with the structural steel requirements including all relevant ASTM, ANSI, and AASHTO standards.

E. Contractor shall develop and submit a test plan for demonstrating the full functionality of the Changeable Message Signs upon completion of installation for COR review and approval. This shall be submitted a minimum of 30 days before the proposed commencement of testing.

F. Documented Test Results for COR review and approval.

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1.3 QUALIFICATIONS

A. Contractor shall have a C-7 specialty license to perform low voltage installation work and adhere to all applicable codes and safety requirements.

B. Contractor shall have a minimum of 5 years of experience working the Intelligent Transportation Systems field and show history of completing projects of comparable size and complexity as well as necessary qualifications to complete the work. Resumes and ITS project history shall be provided for those performing the work. Resumes must show relevant experience in the ITS work as outlined below. Relevant expertise of the following shall be required:

1. Installation, testing and integration of vehicle detection components

2. Installation, testing and integration of traveler information devices such as dynamic or changeable message signs

3. Installation, testing and integration of communications infrastructure, including coaxial and fiber optic cable. The contractor must show experience in power and communications including power distribution, supply, lightning protection, interconnect, and configuration.

1.4 WARRANTY OF WORK

A. The Changeable Message Signs shall have a manufacturer-provided equipment warranty for a period of at least two (2) years. Warranty period shall commence at Project Acceptance.

B. Warranty work shall include materials, installation and construction products.

C. Contractor shall provide a contact name and phone number for warranty work.

D. Response time for warranty work shall be within 48 hours.

E. Contractor shall remove and replace any equipment components that fail during the warranty period at no additional cost to COR.

PART 2 - PRODUCTS

2.1 MATERIALS

A. General

1. CMS housing shall provide front service access for all LED display modules, electronics, environmental control equipment, air filters, wiring and other components.

2. CMS housing shall meet the standards of a NEMA enclosure Type 3R.

B. CMS Site #1 – Hybrid Sign

1. The Hybrid Sign shall consist of two elements: the static display and the CMS inserts.

2. The CMS will display the current parking area and road conditions.

3. One (1) CMS inserts are required as shown on the Drawings.

4. The CMS shall be a Daktronics brand sign Model Number VL-35X0-16x192-20-RGB-

SF, or approved equal.

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5. CMS housing shall have a maximum size of 13' wide x 1'9" tall.

6. Each CMS insert shall have a maximum weight of 200 lbs.

7. The CMS shall have a full matrix display that supports all of the following requirements concurrently

8. Supports minimum of 2 lines of text, with a minimum of 38 characters per line

9. Supports minimum 6” characters

10. Characters shall be made up of a minimum pixel configuration of 7-pixel-high by 5-pixel-wide.

C. CMS Site #2 – Full Matrix Sign

1. The CMS shall be a Daktronics brand sign Model Number VL-35X0-80x64-20-RGB-SF, or approved equal.

2. CMS housing shall have a maximum size of 6’ high by 5’ wide.

3. CMS shall have a maximum weight of 250 lbs

4. The CMS shall have a full matrix display that supports all of the following requirements concurrently

a. Supports 10 lines of text, with a minimum of 12 characters per line

b. Supports 6” characters

c. Characters shall be made up of a minimum pixel configuration of 7-pixel-high by

5-pixel-wide.

D. LED Display

1. The CMS shall contain LED display modules that include an LED pixel array, and LED driver circuitry. These modules shall be mounted adjacently in a two-dimensional array to form a continuous LED pixel matrix.

2. Each LED module shall contain a printed circuit board to which LED pixels are soldered.

3. The failure of an LED string or pixel shall not cause the failure of any other LED string or pixel in the CMS.

E. Sign Housing

1. CMS housing structural form shall be constructed of 5052-H32 aluminum alloy members.

2. All sides of the housing besides the front of the LED modules shall be covered with

5052-H32 aluminum alloy sheets with a minimum thickness of 0.090-inches.

3. CMS structural assembly hardware shall be galvanized A325 high-strength steel and shall be appropriately sized for the application.

4. The LED display modules shall be mounted parallel to the front of the sign so that the legible LED viewing area is optimized.

5. CMS housing shall painted Seal-Skin Brown, as approved by COR.

F. Power / Electrical

1. CMS shall operate on 120/240 VAC single phase power.

G. Environmental

1. Operate within temperature ranges from -40ºC to 50ºC (-40ºF and 120ºF).

2. CMS shall include an environmentally controlled ventilation system with air intake ports.

Fans and filters shall be removable and replaceable inside the CMS housing.

H. Sign Controller

1. The sign controller shall be mounted within the sign housing.

2. Shall communicate using embedded NTCIP protocol.

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3. Shall contain memory for storing changeable and permanent messages, schedules, and other necessary files for controller operation.

4. Include a front panel user interface with graphical LCD and keypad for direct operation and diagnostics.

5. Shall contain a minimum of three (3) NTCIP-compliant RS232 communication ports.

6. Shall contain a minimum of one (1) NTCIP-compliant Ethernet port with RJ45 connector.

7. Shall contain a minimum of one (1) NTCIP-compliant RS422 communications port with

RJ45 connector.

8. Shall contain firmware that shall monitor all sign sensors and communication inputs.

I. Communications Cabinet

1. A cabinet shall be provided to allow for the installation of communication equipment.

2. The cabinet shall include a rear internal plate to allow for the mounting of equipment, DIN rail and securing of cabling within the cabinet.

3. The cabinet shall include all necessary hardware for mounting on the backside of the sign on a support leg post as shown in the Drawings.

4. The minimum interior size of the cabinet shall be 20” H x 20” W x 8” D.

5. The cabinet shall meet NEMA 3R standards and be constructed using 014 Gauge steel.

6. The communications cabinet shall be Wiegmann-Hubbell model RHC202008 or approved equal.

7. The cabinet door shall be equipped with a hasp and staple for a pad lock. Pad locks will be provided by COR.

8. The cabinet shall include one (1) 15A NEMA 15-R, 120 VAC duplex outlets, with a minimum of one ground-fault circuit interrupter.

9. The cabinet shall include one (1) 15A NEMA 15-R, 120 VAC quad outlet box, with a minimum of one ground-fault circuit interrupter. The outlet shall be wired through a 2A, 120VAC breaker located within the cabinet. The breaker shall be DIN rail mounted.

10. The cabinet shall include a circuit breaker which shall be used for providing service to the CMS sign and controller. The circuit breaker shall be 10A, 120VAC and shall be DIN rail mounted. All required electrical wiring within the Communications cabinet and to the CMS and CMS controller shall be provided. DIN rail mounted terminal block shall be provided for the connection of power wiring.

11. The cabinet shall include a ground lug that shall be connected to mains ground.

12. Cabinet shall be painted Seal-Skin Brown, as approved by COR.

J. CMS Sign Posts and Foundations

1. Sign posts must meet Park requirements for aesthetics and be approved by the COR.

2. All post and foundation materials must be approved by the COR

2.2 FUNCTIONAL REQUIREMENTS

A. At CMS Site #1, Hybrid Sign shall display full color capabilities and be able to display messages of any combination of alphanumeric text, punctuation symbols, and graphic images.

B. At CMS Site #2, Full Matrix Sign shall display full color capabilities and be able to display messages of any combination of alphanumeric text, punctuation symbols, and graphic images.

C. The CMS display shall be able to display a message using multiple alternating phases.

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D. CMS shall include ambient light sensors to measure the outdoor ambient light on both the front and backside of the sign. The sign controller shall adjust the display intensity to maintain a legible message.

E. The CMS display shall provide for a minimum of a 30 degree viewing angle.

F. The CMS shall allow for messaging to be posted to the sign or stored in the controller via either local or remote operations.

G. Time of day messages shall be supported by the CMS.

PART 3 - EXECUTION

3.1 EXAMINATION

A. All new equipment shall be inspected to ensure that it is free of defects, and that all components meet the requirements of this specification.

3.2 INSTALLATION

A. Signs shall be mounted at locations as shown on the Drawings.

B. CMS shall be mounted using a two post method.

C. Finalization of sign posts and foundations shall be designed and stamped by the Contractor.

D. Installation shall meet clear zone requirements.

E. Mounting hardware shall be as shown in the Drawings, and in concurrence with manufacturer recommendations.

F. The Contractor shall be responsible for the conduits and installation of cabling to the CMS. The Contractor shall be responsible for providing power and communications to the CMS. All exposed wiring shall be installed in conduit. Leave wire slack in each junction box.

G. The Contractor shall configure an IP address for each CMS. The Contractor shall contact COR for IP address assignments.

3.3 SYSTEM INTEGRATION

A. The Park has an existing central Traffic Management System (TMS) that include traffic detectors and changeable message signs (CMS). The new Mariposa Grove equipment includes two CMS and two vehicle detectors. The CMS signs will display programmed messages regarding parking lot status to the new signs and to an existing sign at the South Entrance, as well as provide information on restrictions and access to the Grove, as depicted on the drawings. The detection sites will provide data to the TMS in order to determine parking availability at the Grove lot.

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B. As part of this contract, the Contractor shall retain a System Integrator to bring the new devices (CMS and vehicles detectors) onto the existing TMS. Integration services shall include remote software integration of the ITS system, including database configuration of the signs and detector calibration; and participation in on-site, local and system testing by the Contractor, upon successful completion of sign and detection unit installation.

C. System integration will begin upon completion of the following activities:

1. Submittal and approval of a Testing Plan for all components and devices to test complete functionality of each device

2. Installation of all devices

3. Connectivity of power and communication to all new devices

4. Configuration of all devices including connectivity to the existing TMS

5. Successful completion of local testing of the new devices

D. The System Integrator shall perform the following:

1. Software integration with the existing TMS including database configuration, updating the system map, setting alert thresholds for the parking capacity, and communication pathways for the new devices

2. Participate in an on-site demonstration by the Contractor for witness by the COR of all functionality of the devices based on the approved test plan

E. The existing Yosemite TMS was provided and is supported by IBI Group. System Integration shall be provided by a company with sufficient knowledge, skills, abilities, and security clearance to complete the work.

3.4 TESTING

A. The Contractor shall be responsible for performing all testing that may be required to establish approval and acceptance of the CMS. Contractor shall develop a test plan, for approval by COR, to test all components and functionality of the signs.

B. The Contractor shall employ industry-standard methods and tools to measure and monitor CMS performance and compliance with functional requirements and remote control of the system.

C. All tests shall be witnessed and subjected to approval by COR. Notify COR at least 14 days prior to testing. The System Integrator shall be on-site for local and system testing performance.

D. Testing for the CMS shall include:

1. Local Testing: Using a laptop with manufacturer’s software installed, demonstrate the capabilities of the sign at either the sign controller or the network switch in the Historical Kiosk. Testing at a minimum shall include the following:

a. Verification that CMS installation meets all clearance and aesthetic requirements

b. Verification that all power, grounding, and communication equipment installation meets standard requirements and manufacturer recommendations

c. Verify that new messages can be created, stored in memory, and recalled for display.

d. Demonstrate that different colors and graphics can be displayed.

e. Demonstration of all matrix display pixels activated/deactivated in alternating mode using a test pattern for minimum 15 minutes.

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f. Demonstration of uniformity of light intensity and color, using a calibrated photometer or similar device. Confirmation of compliance with the luminance and contrast ratio specifications shall be performed.

g. Demonstration of continuous operation over 336 hours (14 days) using a checker board pattern changed every 15 minutes.

h. If failures occur during this test, repairs shall be made and testing shall restart.

2. System Testing: Using a laptop with manufacturer’s software installed, demonstrate the capabilities of the sign from the network switch in the in the Dispatch Center. Testing at a minimum shall include all tests conducted in the Local Test.

a. Any communication issues should immediately be reported to the COR.

b. If failures occur during this test, repairs shall be made and testing shall restart.

E. Any pixels which fail during testing shall be replaced and the complete test repeated.

F. Visibility tests shall be conducted during the full range of ambient illumination conditions to verify the legibility distance, including dawn or sunset depending on site location.

G. System testing shall include an Operability Test Period (OPT). The OPT is a 14 day performance test initiated once the local and system testing has been completed and operation has commenced. Through the OPT, the system is tested under full operations to ensure that the performance requirements are met, and to measure the system reliability and availability.

System failures will result in the restart of the OPT.

H. The OPT will be used to verify complete functionality of all systems, interfaces and data transfers related to the CMS system including the Park’s existing central Traffic Management System (TMS) user interface, system maps and databases.

3.5 TRAINING

A. The Contractor shall provide a proposed training plan to the COR for review and approval that demonstrates full functionality of the system.

B. Training shall include equipment orientation for maintenance, system configuration, systems operations and trouble-shooting.

C. Training shall include a minimum of 2-four hour sessions (include training over 2 trips including expenses).

3.6 SYSTEM ACCEPTANCE

A. System Acceptance will be granted upon acceptance by the COR of completion of all testing stages, documentation, system integration and training.

END OF SECTION 27 42 17

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2/2016 VEHICLE DETECTION

SECTION 28 20 00 – VEHICLE DETECTION

PART 1 - GENERAL

1.1 SUMMARY

A. Furnish, install, test and integrate vehicle detection equipment as shown on the Drawings and specified in this Section.

B. Related Requirements:

1. Section 27 20 00 “Communication Equipment”

2. Section 28 23 23 “Detector Poles and Foundations”

1.2 SUBMITTALS

A. Contractor Qualifications: ITS contractor qualifications shall be submitted for approval by COR at least 90 days before performing the work for approval by COR. The qualifications shall meet the requirements defined in this section.

B. A minimum of 30 days prior to ordering materials, the Contractor shall submit a list of all electrical and Vehicle Detection material and equipment including detector, conductors, cables, patch cords, and mounting hardware, and other accessories as required to be used on the project, accompanied by manufacturer’s literature and drawings for each item, including the manufacturer’s recommended methods of installation. The COR’s approval is required prior to the committing of any materials or the commencement of any work.

C. The physical design of the mounting system shall be submitted to COR for approval, before being finalized for installation. All mounting systems and bracket material shall be consistent with the structural steel requirements including all relevant ASTM, ANSI, and AASHTO standards.

D. Contractor shall develop and submit a test plan for demonstrating the full functionality of the Vehicle Detection upon completion of installation for COR review and approval. This shall be submitted a minimum of 30 days before the proposed commencement of testing.

E. Documented Test Results for COR review and approval.

1.3 QUALIFICATIONS

A. Contractor shall have a minimum of 5 years of experience working the Intelligent Transportation Systems field and show history of completing projects of comparable size and complexity as well as necessary qualifications to complete the work. Resumes and ITS project history shall be provided for those performing the work. Resumes must show relevant experience in the ITS work as outlined below. Relevant expertise of the following shall be required:

1. Installation, testing and integration of vehicle detection components

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2. Installation, testing and integration of traveler information devices such as dynamic or changeable message signs

3. Installation, testing and integration of communications infrastructure, including coaxial and fiber optic cable. The contractor must show experience in power and communications including power distribution, supply, lightning protection, interconnect, and configuration.

1.4 WARRANTY OF WORK

A. The Vehicle Detection equipment shall have a manufacturer-provided equipment warranty for a period of at least two (2) years. Warranty period shall commence at Project Acceptance.

B. Warranty work shall include materials, installation and construction products.

C. Contractor shall provide a contact name and phone number for warranty work.

D. Response time for warranty work shall be within 48 hours.

E. Contractor shall remove and replace any equipment components that fail during the warranty period at no additional cost to COR.

PART 2 - PRODUCTS

2.1 MATERIALS

A. General

1. Detectors shall be Image Sensing Systems brand RTMS G4 Microwave Vehicle

Detectors, or approved equal.

2. Detectors shall be pole mounted, and operate in a cross-fire method across multiple lanes of traffic.

3. Detectors shall be encased in a rugged, water-tight NEMA 4X IP-67 polycarbonate enclosure.

4. Detectors shall be mounted using a universal bracket allowing tilting in three axes.

B. Power / Electrical

1. Detectors shall operate on 12 – 24 VAC or VDC.

2. Maximum power shall be 3 Watts.

3. A 24VDC power supply shall be provided within the Communications Cabinet to supply power to the Detector from the 120VAC outlet.

C. Surge Protection

1. Detectors shall have a built in surge protection on all external connections.

2. The Communications Cabinet shall include a DIN rail mounted protection device for the

DC power wiring and RS232 communications wiring leaving the cabinet. The protection device shall meet the requirements of the following product or approved equal:

a. Wavetronix, Product Number: Click 200

D. Communications

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1. The detector shall include an optically isolated RS232/RS485 port for communications.

E. Environmental

1. Operate within temperature ranges from -40ºC to 74ºC (-40ºF to 165ºF).

2. Operate in up to 95% humidity.

3. Operate in wind up to 100 mph.

F. Communications Cabinet

1. A cabinet shall be provided to allow for the installation of communication equipment.

2. The cabinet shall include a rear internal plate to allow for the mounting of equipment, DIN rail and securing of cabling within the cabinet.

3. The cabinet shall include all necessary hardware for mounting on the detector pole as shown in the Drawings.

4. The minimum interior size of the cabinet shall be 20” H x 20” W x 8” D.

5. The cabinet shall meet NEMA 3R standards and be constructed using 14 Gauge steel.

6. The communications cabinet shall be Wiegmann-Hubbell model RHC202008 or approved equal.

7. The cabinet door shall be equipped with a hasp and staple for a pad lock. Pad locks will be provided by COR.

8. The cabinet shall include one (1) 15A NEMA 15-R, 120 VAC quad outlet box, with a minimum of one ground-fault circuit interrupter. The outlet shall be wired through a 2A, 120VAC breaker located within the cabinet. The breaker shall be DIN rail mounted.

DIN rail mounted terminal block shall be provided for the connection of power wiring.

9. The cabinet shall include a ground lug that shall be connected to mains ground.

10. Cabinet shall be painted Seal-Skin Brown, as approved by COR.

G. Communication and Power Cables

1. A multi-conductor cable shall be included between the Detector and the Communications

Cabinet to provide power and data communications between the equipment in the Communications Cabinet and the detector. The minimum conductor size shall be

20AWG.

2.2 FUNCTIONAL REQUIREMENTS

A. The Vehicle Detection equipment shall measure the following data:

1. Volume

2. Occupancy

3. Speed

4. Gap or headway

5. Vehicle Classification

B. Detector shall be able to read a minimum of 12 distinct zones.

C. Detector shall have a read range of a minimum of 250 feet.

D. Detectors shall be configurable to specified classification lengths as proposed by COR.

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PART 3 - EXECUTION

3.1 EXAMINATION

A. All new equipment shall be inspected to ensure that it is free of defects, and that all components meet the requirements of this specification.

3.2 INSTALLATION

A. Detector units shall be installed on poles at a height and offset as indicated on the drawings and in accordance with manufacturer recommendations.

B. Detector units shall be installed on pole using a universal bracket mount.

C. All power and data wiring shall be installed on the inside of the pole.

D. Cabinet installation on pole shall be as shown in the Drawings.

3.3 SYSTEM INTEGRATION

A. The Park has an existing central Traffic Management System (TMS) that includes traffic detectors and changeable message signs (CMS). The new Mariposa Grove equipment includes two CMS and two vehicle detectors. The CMS signs will display programmed messages regarding parking lot status to the new signs and to an existing sign at the South Entrance, as well as provide information on restrictions and access to the Grove, as depicted on the drawings. The detection sites will provide data to the TMS in order to determine parking availability at the Grove lot.

B. As part of this contract, the Contractor shall retain a System Integrator to bring the new devices (CMS and vehicle detectors) onto the existing TMS. Integration services shall include remote software integration of the ITS system, including database configuration of the signs and detector calibration; and participation in on-site, local and system testing by the Contractor, upon successful completion of sign and detection unit installation.

C. System integration will begin upon completion of the following activities:

1. Submittal and approval of a Testing Plan for all components and devices to test complete functionality of each device

2. Installation of all devices

3. Connectivity of power and communication to all new devices

4. Configuration of all devices…