78 INCIDENTAL CONSTRUCTION
78-1 General
78-1.01 General
Section 78 includes specifications for constructing incidental bid items that are not closely associated with other sections.
78-1.02 Materials
Not Used
78-1.03 Construction
Not Used
78-1.04 Payment
Not Used
78-2 Survey Monuments
78-2.01 General
Section 78 -2 includes specifications for constr ucting survey monuments . Notify the Engineer at least 7 days before you construct a survey monument or adjust a monument cover to grade . Do not disturb a survey monument without authorization.
78-2.02 Materials
Concrete must be mi nor concrete with a maximum 1 -inch aggregate. The Department furnishes the survey marker disks. The frames and covers must be fabricated from cast steel or gray cast iron. The frames, covers, and hardware must comply with section 55. The covers must fit in to the frames without rocking. Granular material must be gravel, crushed gravel, crushed rock, or any combination of these and must not exceed 1 -1/2 inches in greatest dimension.
78-2.03 Construction
You may cast the monuments in place in neat holes witho ut the use of forms unless forms are shown. Thoroughly consolidate the concrete and cure it by the water method. Locate the monument such that the point being referenced falls within 1/2 inch from the center of the disk when the disk is placed in the center of the monument. Place the survey marker disk before the concrete reaches its initial set. Firmly embed the disk in the concrete. If base and surfacing are not shown around a monument, fill any space around it with earth. Water and tamp the earth in to place. Unless the surplus excavated material is hazardous, uniformly spread it along the adjacent roadway where designated by the Engineer.
78-2.04 Payment
Not Used
78-3 Global Navigation Satellite System Station
78-3.01 General
78-3.01A Summary
Section 78 -3 includes specifications for constructing global navigation satellite system station. SECTION 78 INCIDENTAL CONSTRUCTION A global navigation satellite system (GNSS ) station include s:
1.Foundations
2.Pull boxes
3.Conduit
4.Conductors and cables
5.Fence
6.Service equipment encl osure
7.Photovoltaic power system
8.Wireless modem assembly
9.Antenna system
10.Controller cabinet
78-3.01B Definitions
Global Navigation Satellite System: satellite system used to pinpoint the geographic location of a user's receiver anywhere in the world.
78-3.01C Submittals
Submit a schedule of values to the Engineer and to the Office of Electrical Systems , Regional Transportation Management Center before procurement . Submit a list of all materials and equipment to be installed and the manufacturer's descriptive data for authorization. The material and equipment list must contain:
1.Manufacturer's name
2.Catalog number
3.Size
4.Capacity
5.Finish
6.Pertinent ratings
7.Identification symbols used for each unit Submit 5 copies for e ach item in the list that include :
1.Manufacturer's data sheets, descriptive data, design , and installation drawings
2.Component part numbers circled and highlighted on the data sheets
3.Plans and detailed drawings no larger than 22 -by-34-inch
4.Each i tem with a: 4.1. Descriptive title 4.2. Specification number 4.3. Department personnel 4.4. Department contact number Only one device per specification number per submittal. The Department's review areas will include structural, welding, electrical, weath er and insect proofing for each list item . Deliver the submittals to the Engineer before the Yagi antenna is ordered.
78-3.01D Quality Assurance
78-3.01D(1) General
Reserved
78-3.01D(2) Warranty
Provide a minimum one -year manufacturer's warranty for parts and components.
78-3.02 Materials
78-3.02A General
Concrete in CIDH pile and pillar must be minor concrete with a maximum of 1 -inch aggregate. Cast-in-drilled -hole concrete piling must comply with section 49 -3.02. SECTION 78 INCIDENTAL CONSTRUCTION Reinforcement must comply with sec tion 52 . Fiber -reinforced polymer reinforcing bars must comply with ACI 440.5 -08. Chain link fencing must comply with section 80 -3.
78-3.02B Electrical Equipment
78-3.02B(1) General
The electrical equipment and materials must comply with section 86. The Department will furnish :
1.Charge -load controller assembly
2.GNSS receiver and antenna
3.Cellular a ntenna assembly
78-3.02B(2) Photovoltaic Power System
78-3.02B(2)(a) General
The photovoltaic power system includes:
1.Panel support structure
2.Photovoltaic panels
3.Batteries
4.Charge -load controller assembly The photovoltaic power system must :
1.Comply with ASTM E891 and E892
2.Comply with MIL -STD-810 for salt tests
3.Provide 12 V(dc) output
4.Operate at ambient temperature from -34 to 158 degrees F
5.Operat e for 5 consecutive days without additional charge from the photovoltaic panels
6.Have UL approved components
78-3.02B(2)(b) Panel Support Structure
The panel support structure must withstand 100 m ph, 50-year return period , 3-second wind gust load per AASHTO 's Standard Specifications for Structural Supports for Highway Signs, Luminaires, and Traffic Signals, 6th Edition.
78-3.02B(2)(c) Photovoltaic Panels
The photovoltaic panel must meet the minimu m requirements as shown in the following table: Quality characteristi ca Requirement Minimum rated power output (W) 265 Voltage at maximum power (V(dc)) 17.6 Current at maximum power (A) 15 Weight (lb) 18 aMinimum requirements are based on a 265 W photovoltaic panel. The photovoltaic panels must contain single -crystal or multi -crystal technology and provide high efficiency and long life. The cells must have texture and coating of an anti -reflective film. The cells must have multiple redundant contacts and must be electrically matched. A rugged aluminum vented backing must be riveted to an aluminum panel equipped with welded aluminum brackets for attachment to the bracket arm. The photovoltaic panel must resist impact from a 1-inch-diameter hailstone at 50 mph. Hardware must be stainless steel. SECTION 78 INCIDENTAL CONSTRUCTION
78-3.02B(2)(d) Batteries
Battery must :
1.Be 1.1. Maintenance free 1.2. Sealed 1.3. Deep -cycle 1.4. Heavy duty 1.5. 100 percent recyclable 1.6. Capable of a minimum of 1,000 cycles
2.Use a bsorb ed glass mat technology
3.Meet the minimum requirements as shown in the following table: Quality characteristic Requirement Voltage (V(dc)) 12 Storage capacity at a 100 -hour discharge rate (A ·h) 85 Maximum discharge current for 5 s (A) 500
78-3.02B(3) Wireless Modem Assembly
78-3.02B(3)(a) General
The wireless modem assembly includes:
1.Wireless m odem
2.Power supply
3.Mounting bracket and hardware
78-3.02B(3)(b) Wireless Modem
Wireless m odem must:
1.Be compatible with a Department approved cellular provider
2.Have full duplex transceiver
3.Include one ethernet port, one RS -232 serial port, one USB 2.0 Micro -B Connector port, and three SMA -female antenna connectors: 3.1. Cellular main 3.2. Cellular d iversity 3.3. GPS
4.Have two subscriber identity module card slots
5.Have the following status indicators: 5.1. Power on 5.2. Activity 5.3. Signal 5.4. Network link
6.Have an input voltage range from 7 to 36 V(dc)
7.Have operating temperature range from -22 to 158 degrees F, with 95 percent relative humidity at 140 degrees F
8.Weigh less than 0.75 lb
9.Have a 5-by-3 1/2 -by-2-inch aluminum housing IP-64 rated
10.Be configurable remotely either through Wi -Fi, ethernet port , USB po rt, or serial port
11.Have user configurable password protected access Wireless m odem must support :
1.Full duplex communication
2.Wi-Fi standards : 18.1. 802.11n 18.2. 802.11ac
3.4G long-term evolution frequency (LTE) bands: SECTION 78 INCIDENTAL CONSTRUCTION Band Duplex mode Frequency (MHz) 1 FDD (Frequency -Division Duplexing) 2,100 2 FDD 1,900 3 FDD 1,800 4 FDD AWS -1 (Advanced wireless services ) 1,700 5 FDD 850 7 FDD 2,600 8 FDD 900 9 FDD 1,800 12 FDD 700 13 FDD 700 14 FDD 700 18 FDD 850 19 FDD 850 20 FDD 800 26 FDD 850 29 SDL ( Supplementary downlink ) 700 30 FDD 2,300 32 SDL 1,500 41 TDD (Time -division duplexing) 2,500 42 TDD 3,500 43 TDD 3,700 46 TDD 5,000 48 FDD CBRS ( Citizens broadband radio service ) 3,600 66 FDD 1,700
4.Integrated transmission control protocol (TCP)/ internet protocol (IP) stack with user datagram protocol (UDP)
5.Packet buffering and forwarding feature s with time interval s configurable from 0 , undisciplined , to 400 ms in increments of 100 ms or less
6.AT command se rial character stream using TCP/IP
7.Windows 10 or later and dial-up networking using point to point protocol
8.Gigabit ethernet
9.Cellular data transfer rates: 9.1. Peak download -up to 600 Mbps 9.2. Peak upload -up to 150 Mbps
78-3.02B(3)(c) Power Supply
The power supply must have :
1.Provisions to attach power cable to the modem
2.Input voltage range from 100 to 240 V( ac)
3.Output voltage of 12 V(dc)
4.Output current of at least 1.5 A
5.Output p ower cable at least 3 feet long
78-3.02B(3)(d) Mounting Bracket and Hardware
The mounting bracket must be:
1.Metal
2.DIN rail mountable
78-3.02B(4) Antenna S ystem
78-3.02B(4)(a) General
The antenna system includes:
1.Coaxial cable
2.Cellular a ntenna assembly SECTION 78 INCIDENTAL CONSTRUCTION
3.GNSS receiver and antenna
4.Transient and lightning protector
5.Coaxial cable connectors
78-3.02B(4)(b) Coaxial Cables
The coaxial cable must:
1.Be an LMR -240
2.Be jacketed with high density polyethylene
3.Be rated for direct burial
4.Be resistant to ni cks and cuts
5.Have impedance of 50 Ω
6.Have radio frequency shield rating of greater than 90 dB and a crosstalk shield rating of greater than 180 dB
7.Have minimum bend radius of 1 inch
8.Have attenuation of 3.9 dB at 0.58 kW average power per 100 fee t
78-3.02B(4)( c) Transient and Lightning Protector
The transient and lightning protect or must comply with the requirements as shown in the following table: Minimum Protection Requirements Characteristic Requirement Clamping voltage (V) ±10% 90 Radio frequency power (min, W) 35 Frequency range (MHz) 0.5–2 Voltage standing wave ratio (max) 1.2–1 Insertion loss (max, dB) 0.2 Surge current (A) min IEEE 8/20 waveform 17,000 Response time (max, ns) 5
78-3.02B(4)( d) Coaxial Cable Connectors
Coaxial cable connectors must comply with the requirements as shown in the following tables: Coaxial Cable Connectors Requirements Characteristic Requirement Impedance (Ω) nominal 50 Frequency range (MHz) 0–300 Voltage rating (V) peak 500 Mechanical Requirements Characteristic Requirement Mating Threaded mates with any standard size threaded receptacle Method of attachment Clamp and crimp Composition Bodies -brass or die cast zinc Contacts -brass, silver plated Insulators -tetrafluoroethylene, copolymer of styrene, polystyrene, mica - filled phenolic or, polybutylene terephthalate polyester or equal Plating -silver Other metal parts -brass Environmental Requirements Characteristic Requirement Temperature range (°F) −55–185 Moisture Weather resistant design SECTION 78 INCIDENTAL CONSTRUCTION
78-3.02B(5) Controller Cabinets
The controller cabinet must be a Model 334LS complying with TEES and include anchor bolts. The cabinet must have 2 drawer shelves.
78-3.03 Construction
78-3.03A General
Remove soil, trees, brush, and other obstructions that interfere with fencing and the GNSS Station.
78-3.03B Electrical Equipment
78-3.03B(1) General
Install e lectrical equipment under section 87.
78-3.03B(2) Coaxial Cables
Terminate coaxial cables with the compression type termination and weather seal connections.
78-3.03B(3) Photovoltaic Power System
Ground the photovoltaic system. Place conductors installed on the face of galvanized steel poles or metal bracket assemblies in either Type 1, Type 2, or Type 3 conduit. Mount photovoltaic panels per manufacturer's instructions and o rient panels southerly. Connect the batteries in parallel and connect a glass type fuse holder specified for the given model system.
78-3.03B(4) Antenna Assembly
Install the Yagi antenna per manufacturer 's instructions .
78-3.03B(5) Modem
Thirty days prior to requiring the packet data protocol context , provide the following :
1.Modem serial number
2.Subscriber identity module
3.International mobile equipment identification The Engineer will provide the packet data protocol context comprising the assigned IP and access point name obtained from service provider.
78-3.04 Payment
Not Used
78-4 Miscellaneous Coatings
78-4.01 General
78-4.01A General
Section 78 -4.01 includes general specifications for applying miscellaneous coatings to new and existing installations. Apply miscellaneous coatings under the specifications for coating structural steel in section 59 -1.
78-4.01B Materials
Water for rinsing must comply with the specifications for water for pressure rinsing in section 59 -1.02A.
78-4.01C Construction
Not Used
78-4.01D Payment
Not Used SECTION 78 INCIDENTAL CONSTRUCTION
78-4.02 Painting Timber
78-4.02A General
Section 78 -4.02 includes specifica tions for preparing and painting timber installations.
78-4.02B Materials
Not Used
78-4.02C Construction
78-4.02C(1) General
Reserved
78-4.02C(2) Surface Preparation
Remove cracked or peeled paint, loose chalky paint, dirt, and other foreign material immediately before painting. The moisture content of the timber must be not more than 20 percent at the time of initial paint application.
78-4.02C(3) Application
Paint new timber with 1 coat of wood pr imer followed by 2 coats of exterior paint. You may apply the 1st coat before erection if authorized. Paint previously painted timber with 2 coats of exterior paint. Prime bare wood with 1 coat of wood primer. After the timber is in place, putty the cracks , checks, nail holes, and other depressions flush with the surface. Let dry before applying the 1st coat of exterior paint.
78-4.02D Payment
Not Used
78-4.03 Painting Concrete
78-4.03A General
78-4.03A(1) Summary
Section 78 -4.03 includes specifications for preparing and painting concrete surfaces.
78-4.03A(2) Definitions
Reserved
78-4.03A(3) Submittals
Submit the coating manufacturer's application instructions at least 7 days before use.
78-4.03A(4) Quality Assurance
Reserved
78-4.03B Materials
Coat ings for concrete must comply with the specifications for acrylic emulsion paint for exterior masonry in section 91 -4.02B. Coatings must be white.
78-4.03C Construction
78-4.03C(1) General
Reserved
78-4.03C(2) Surface Preparation
Before painting, surfaces must be:
1.At least 28 days old.
2.Prepared under SSPC -SP 13/NACE no. 6. Pressure rinse the prepared surfaces before applying the paint.
3.Thoroughly dry. You may use artificial drying methods if authorized. SECTION 78 INCIDENTAL CONSTRUCTION
78-4.03C(3) Application
Apply at least 2 coats under the manufacturer's instructions and SSPC -PA 7. Protect adjacent surfaces during painting using an authorized method. Paint text on structures and barriers in 2 -1/2-inch-high black letters. Black text must contrast with the back ground. If ordered, adjust text size and paint color to accommodate for paint location.
78-4.03D Payment
Not Used
78-4.04 Staining Concrete and Shotcrete
78-4.04A General
78-4.04A(1) Summary
Section 78 -4.04 includes specifications for preparing and sta ining concrete and shotcrete surfaces.
78-4.04A(2) Definitions
acid stain: non-tintable, transparent stain that contains dilute acid. water-based stain: semi -transparent or solid water -based coating in an acrylic emulsion vehicle, that can be tinted to match an AMS -STD-595 color.
78-4.04A(3) Submittals
78-4.04A(3)(a) General
Submit the stain and sealer manufacturer's product data and application instruc tions at least 7 days before starting staining activities.
78-4.04A(3)(b) Contractor Qualifications
Submit the following documentation at least 10 days before the prestaining meeting:
1.Summary of the staining contractor's experience that demonstrates compliance with section 78 - 4.04A(4)(c).
2.List of at least 3 projects completed in the last 5 years that demonstrate the staining contractor's ability to stain surfaces similar to the surfaces for this project. For each project include: 2.1. Project description 2.2. Name and phone number of the owner 2.3. Staining completion date 2.4. Color photos of the completed stained surface
78-4.04A(3)(c) Staining Quality Work Plan
Submit a staining quality work plan at least 10 days before the prestai ning meeting. The work plan must include details for preparing and staining the surfaces to achieve the required color, and for sealing the surfaces, including:
1.Number of applications that will be used to apply the stain
2.For each application of the s tain, a description of: 2.1. Manufacturer, color, finish, and percentage strength mixture of the stain that will be applied 2.2. Proposed methods and tools for applying the stain
3.Proposed methods for protecting adjacent surfaces during staining
4.Propo sed methods and tools for applying the sealer For acid stains, the work plan must also include a rinse water collection plan for containing all liquid, effluent, and residue resulting from preparing and staining the surfaces.
78-4.04A(4) Quality Assuranc e
78-4.04A(4)(a) General
Reserved SECTION 78 INCIDENTAL CONSTRUCTION
78-4.04A(4)(b) Test Panels
Stain the authorized test panel complying with section 51 -1.01D(2)(c) or 53 -3.01D(3). The test panel must be:
1.Stained using the same personnel, materials, equipment, and methods to be used i n the work
2.Accessible for viewing
3.Displayed in an upright position near the work
4.Authorized for staining before starting the staining work If ordered, construct additional test panels until a satisfactory color is attained. The preparing and staining of additional test panels is change order work. The Engineer uses the authorized stained test panel to determine the acceptability of the stained surface. Dispose of the test panels after the staining work is complete and authorized. Notify the En gineer before disposing of the test panels.
78-4.04A(4)(c) Contractor Qualifications
The staining contractor must have experience staining surfaces to simulate the appearance of natural rock formations or stone masonry, and must have completed at least 3 projects in the past 5 years involving staining of surfaces similar to the surfaces for this project.
78-4.04A(4)(d) Prestaining Meeting
Before starting staining activities, conduct a meeting to discuss the staining quality work plan. Meeting attendees mu st include the Engineer and all staining contractors.
78-4.04B Materials
78-4.04B(1) General
Reserved
78-4.04B(2) Stain
78-4.04B(2)(a) General
The stain must be:
1.Commercially available product designed specifically for exterior applications
2.Speci fically manufactured for staining concrete surfaces
78-4.04B(2)(b) Acid Stain
Acid stain must:
1.Contain dilute acid that penetrates and etches the surfaces
2.Be a water -based solution of inorganic metallic salts
3.Produce abrasion -resistant color dep osits
78-4.04B(2)(c) Water -based Stain
Water -based stain must be:
1.Acrylic emulsion
2.Non-fading and UV resistant
3.Capable of producing irregular, mottled tones
78-4.04B(3) Sealer
The sealer must be as recommended by the stain manufacturer, clear and colorless, and have a matte finish when dry.
78-4.04B(4) Joint Sealing Compound
Reserved SECTION 78 INCIDENTAL CONSTRUCTION
78-4.04C Construction
78-4.04C(1) General
At locations where there is exposed metal adjacent to the surfaces to be stained, seal the joint b etween the surfaces to be stained and the exposed metal with a joint sealing compound before applying the stain.
78-4.04C(2) Surface Preparation
Test surfaces for acceptance of the stain before applying the stain. Clean surfaces that resist accepting the stain and retest until passing. Before staining, the surfaces must be:
1.At least 28 days old
2.Prepared under SSPC -SP 13/NACE no. 6
3.Thoroughly dry
78-4.04C(3) Application
78-4.04C(3)(a) General
Apply the stain under the manufacturer's instructions . Protect adjacent surfaces during staining. Drips, puddles, or other irregularities must be worked into the surface. Apply the sealer under the manufacturer's instructions.
78-4.04C(3)(b) Acid Stain
Work the acid stain into the concrete using a nylon bri stle brush in a circular motion. After the last coat of stain has dried, rinse the stained surfaces with water and wet scrub them with a stiff - bristle nylon brush until the rinse water runs clear. Collect all rinse water.
78-4.04D Payment
Not Used
78-4.05 Rock Staining
78-4.05A General
78-4.05A(1) Summary
Section 78 -4.05 includes specifications for preparing and staining rock . Preparing and staining rock includes preparing and staining the exterior surface of landscape bould ers, damaged or scarred native rock, rock energy dissipaters, rock slope protection, and gabion surfaces.
78-4.05A(2) Definitions
Reserved
78-4.05A(3) Submittals
Submit a work plan describing the methods to (1) control overspray and spillage and (2) prot ect adjacent surfaces. Submit the stain manufacturer's product data, including the product sheet and the application instructions.
78-4.05A(4) Quality Assurance
78-4.05A(4)(a) General
Reserved
78-4.05A(4)(b) Test Plot
Apply the stain to a rock test plot of at least 3 by 3 feet at a location designated by the Engineer. Notify the Engineer at least 7 days before staining the test plot. Prepare and stain the test plot with the same personnel, materials, tools, equipment, and methods to be used in staining t he final surfaces. Separate test plots are required for staining rock slope protection and native rock. If ordered, prepare and stain additional test plots. The preparing and staining of additional test plots is change order work. SECTION 78 INCIDENTAL CONSTRUCTION Obtain authorization of t he test plot before starting the staining work. The Engineer uses the authorized test plot to determine the acceptability of the staining work. If the test plot is not incorporated into the work, dispose of it after the staining work is complete and author ized. Notify the Engineer before disposing of the test plot.
78-4.05B Materials
78-4.05B(1) General
Reserved
78-4.05B(2) Stain
Reserved
78-4.05C Construction
78-4.05C(1) General
Reserved
78-4.05C(2) Preparation
Before applying the stain:
1.Identify and obtain authorization for the areas to be stained
2.Remove oils, dirt, and other contaminants from the surfaces to be stained
3.Dry all surfaces to be stained
78-4.05C(3) Application
Stain the exposed surfaces under the manufacturer's instr uctions to achieve a color consistent with the color of the authorized test plot. Control overspray and protect adjacent surfaces. Keep stained surfaces dry for at least 20 days after the application of the stain.
78-4.05D Payment
The payment quantity for rock stain is the area measured along the slope face.
78-4.06 Anti -Graffiti Coating
78-4.06A General
78-4.06A(1) Summary
Section 78 -4.06 includes specifications for applying a sacrificial anti -graffiti coating to surfaces.
78-4.06A(2) Definitions
Reserved
78-4.06A(3) Submittals
Submit the manufacturer's application and removal instructions at least 7 days before starting work.
78-4.06A(4) Quality Assurance
Reserved
78-4.06B Materials
Anti-graffiti coating must:
1.Be a nontoxic, sacrificial, nonflammable, water -based coating designed for protecting concrete from graffiti
2.Be compatible with the concrete surface treatment
3.Have a clear matte finish when dry
4.Be removable with a hot pressure washer SECTION 78 INCIDENTAL CONSTRUCTION
78-4.06C Construction
Test surfaces for acceptance of the coating before applying. Clean surfaces that resist accepting the coating and retest until passing. Apply the anti -graffiti coating under the manufacturer's instructions in at least 2 even coats.
78-4.06D Payment
Not Used
78-4.07 Staining Galvanized Surfaces
Reserved
78-4.08 Painting Electrical Material
78-4.08A General
Section 78 -4.08 includes specifications for preparing and painting electrical material.
78-4.08B Materials
Polymeric coating for steel service equipment enclosures must comply with the requirements shown in the following table: Quality characteristic Test method Requirement Coating hardness (min) ASTM D3363 HB Salt spray resistance (336 hours) ASTM B117 9 Adhesion, Method B (min) ASTM D3359 5 The steel service equipment enclosure finish coat color must match color no. 14672 of AMS -STD-595.
78-4.08C Construction
78-4.08C(1) General
Clean and paint electrical material. The coating must be free from flow lines, streaks, blisters, and other defects that would impair serviceability or detract from the general appearance. Prepare and finish conduit and conduit fittings above ground as specified for the adjacent standard or post. Stencil the equipment number neatly on the standard or adjacent structure. Obtain the number from the Engineer.
78-4.08C(2) Traffic Signal Faces and Fittings
Finish the interiors of the metal signal visor, louver, and the front face of backplates with 2 applications of lusterless black, exterior -grade, latex paint formulated for application to properly prepared metal surfaces. Painting is not required if the equipment has a good factory finish. Apply 2 coats of lusterless dark olive gree n, exterior -grade, latex paint formulated for application to properly prepared metal surfaces to the following electrical equipment:
1.Signal section
2.Signal head mounting, brackets and fittings
3.Outside of visor
4.Pedestrian push button housing
5.Pedestrian signal section and visor
6.Back face of backplate The color must match color chip no. 68 filed at METS.
78-4.08D Payment
Not Used SECTION 78 INCIDENTAL CONSTRUCTION
78-4.09 78-4.15 Reserved
78-5 Parking Bumpers
78-5.01 General
78-5.01A Summary
Section 78 -5 includes specific ations for constructing parking bumpers . Section 90 does not apply to concrete for parking bumpers.
78-5.01B Definitions
Reserved
78-5.01C Submittals
Submit product data for parking bumpers.
78-5.01D Quality Assurance
Reserved
78-5.02 Materials
Parking bumpers must be steel -reinforced PC units. The concrete must be air entrained and have a minimum compressive strength of 4,000 psi. Each unit must be from 4 to 6 inches high, from 6 to 9 inches wide, and from 6 to 8 feet long. All units for a project must be the same size. Each unit must have chamfered corners, transverse drainage slots on the underside, and at least 2 factory -formed or drilled vertical holes through the parking bumper for anchoring it to the substrate. The unit s must be free of pockets, sand streaks, honeycombs, and other obvious defects. Corners must be uniform, straight, and sharp. The mounting hardware must be galvanized steel.
78-5.03 Construction
Verify that pavement is in suitable condition to start insta llation under the manufacturer 's instructions. Start installation only after unsatisfactory conditions have been corrected. Install parking bumpers under the manufacturer 's instructions.
78-5.04 Payment
Not Used
78-6 78-20 Reserved
78-21 Resetting and R Elocating Mailboxes
78-21.01 General
Section 78 -21 includes specifications for resetting and relocating mailboxes . Reset and relocate newspaper boxes as specified for mailboxes.
78-21.02 Materials
Each new post must be redwood complying with the specifications for roadway sign posts in section 82.
78-21.03 Construction
During construction:
1.Move each mailbox to clear the way for your activities. Each mailbox must be accessible for deliv ery at all times.
2.Install each mailbox on a post set in the ground or on an authorized temporary support. When construction is complete, install each mailbox on a new post. SECTION 78 INCIDENTAL CONSTRUCTION Place each post in a hole. Backfill the space around the post with earth placed in layers about 4 inches thick. Moisten and thoroughly compact each layer.
78-21.04 Payment
Resetting or relocating 1 mailbox on 1 post is 1 measurement unit. Resetting or relocating 1 mailbox and 1 or more newspaper boxes on 1 post is1 measurement unit. Resetting or relocating 1 newspaper box on 1 post is 1 measurement unit. The measurement units for resetting or relocating multiple mailboxes on 1 post are the number of mailboxes on the post. The number of measurement units equals the number of units shown to be reset or relocated regardless of the number of moves required.
78-22 Obliterating Roads and Detours
78-22.01 General
Section 78 -22 includes specifications for obliterating roads and detours .
78-22.02 Materials
Not Used
78-22.03 Construction
If a part of the surfacing is to remain in place, make a full -depth saw cut to a true line along the edge of the surfacing before obliteration. Obliterate a road or detour by doing one of the f ollowing:
1.Placing an earth cover at least 6 inches thick
2.Plowing, pulverizing, or scarifying to a minimum depth of 6 inches or to the bottom of the impermeable underlying base, whichever is the greater depth If you obliterate by placing an earth cov er, scarify the existing base and surfacing for its full depth and break up the base and surfacing such that the material contains no lumps larger than 1 foot in greatest dimension before the earth cover is placed. If you obliterate by plowing, pulverizing , or scarifying, break the bituminous material into parts at most 4 inches in greatest dimension and mix with an equal quantity of underlying material. After obliteration, grade the area such that it blends with the surrounding terrain and is well drained.
78-22.04 Payment
Not Used
78-23 Adjust Utility Frames, Covers, and Manholes
78-23.01 General
Section 78 -23 includes specifications for adjusting utility access box frames, covers, and manholes.
78-23.02 Materials
Not Used
78-23.03 Construction
Lower and raise utility frames, covers, grates and manholes by lowering before cold planing and raising after paving or surfacing. Before opening the lane to traffic, either (1) complete permanent paving or surfacing or (2) temporarily fill any depressions with HMA. Do not adjust to final grade until the adjacent pavement or surfacing is complete. For a structure that is to be raised, remove the cover or frame and trim the top of the structure to provide a suitable foundation for the new material.
Source: California Standard Specifications, 2024 Edition. Pages 1095–1109 of 1,372.