1-Attachment A - Technical Specifications.pdf

LIVERMORE AMADOR VALLEY

TRANSIT AUTHORITY (LAVTA)

NEW STREETLIGHTS ON

RAILROAD AVENUE

IFB NO. 2026-01

FEDERAL GRANT NO. CA-2021-011-00

TECHNICAL SPECIFICATIONS

New Streetlights on Railroad Avenue - Technical Specifications

The Technical Specifications consist of the 2025 Caltrans Standard Specifications and as modified by the following special provisions.

The Standard Specifications can be downloaded at:

https://dot.ca.gov/programs/design/2025-ccs-standard-plans-and-standard-specifications

The work embraced herein shall be done in accordance with the Contract Documents: the bid book, these special provisions, the project plans, the California Department of Transportation Standard Specifications dated 2025 (as revised) and Standard Plans dated 2025, and the City of Livermore Standard Specifications and Details (available at https://www.livermoreca.gov/departments/community-development/engineering/standard-specifications-details/-folder-2080).

Each special provision begins with a revision clause that describes or introduces a revision to the Standard Specifications. A reference to a Standard Specification heading is only made when modifying the section and is not a comprehensive listing of the sections which apply to the project. All sections apply to the project. Sections which are not deleted, added, or modified by the special provisions remain as written. Any modification to a section does not change the rest of the section.

Any paragraph added or deleted by a revision clause does not change the paragraph numbering of the Standard Specifications for any other reference to a paragraph of the Standard Specifications.

Any reference to a State Agency or officer shall be interpreted as if the corresponding LAVTA agency officer acting under this contract were so specified.

Any reference to contact information for the State shall be interpreted as if the corresponding LAVTA contact information were so specified. Should there be any question as to what the corresponding information would be, contact LAVTA for determination.

The General Conditions & Instructions to Bidders and Special Provisions take precedent over any conflicting language in the Technical Specifications.

Refer to the Bid Forms section of this Invitation For Bid for the Buy America certification requirements.

DIVISION I GENERAL PROVISIONS

2 BIDDING

Delete section 3 CONTRACT AWARD AND EXECUTION

4 SCOPE OF WORK

Add to section 4-1.01:

The scope of work is for completing construction services to install new streetlights and luminaires along the cul-de-sac at Railroad Avenue. The work shall include, but not be limited to the removal and salvaging of an existing streetlight luminaire; delivery of salvaged luminaire to the City of Livermore;

connection to existing pull boxes; connection and realignment of existing conduit into pull boxes;

furnishing and installing decorative streetlight pole, concrete foundation, LED luminaire, conductors, grounding, fuses, pull boxes, anchor bolts, conduit, concrete sidewalk, asphalt pavement, and grout;

LAVTA and City coordination, pothole investigation; and electrical service connections and inspection.

5 CONTROL OF WORK

Replace section 5-1.02 CONTRACT COMPONENTS with:

A component in one Contract part applies as if appearing in each. The parts are complementary and describe and provide for a complete work.

Add to section 5-1.20B(1):

The work is located within the right-of-way of the City of Livermore.

Contractor must acquire and comply with encroachments permits, and any applicable building permits, from the City of Livermore to perform your work. Pay all fees associated with acquiring these permits. Familiarize yourself with the City's requirements prior to bidding.

Acquire a business license from the City of Livermore’s Engineering Department.

City of Livermore’s encroachment permit information is located at:

https://www.livermoreca.gov/departments/community-development/engineering/encroachment-permits

Coordinate and comply with the City of Dublin’s requirements, including, but not limited to, hours of work and traffic control.

Contractor shall submit traffic control plans with the encroachment permit application to the City of Livermore.

Contractor shall post “no parking” signs 72 hours prior to starting work. Contractor shall notify surrounding businesses within a 300’ radius from the project location at least 2 weeks prior to starting work.

Full compensation for acquiring building permits and business licenses, including payment of all fees, and complying with the requirements of the permits and licenses, shall be considered as included in the price bid for other items of work and no additional compensation will be allowed therefor.

Replace section 5-1.26 with:

LAVTA is not providing construction staking services for this contract. Contractor is responsible for providing all necessary construction surveys. Construction surveys shall be done in accordance with Chapter 12, “Construction Surveys,” of the California Department of Transportation’s Surveys Manual. All work shall be constructed to the lines and grades shown on the contract drawings.

Unless authorized by the Engineer, any work done without construction survey line and grade will be done at the Contractor's risk.

Full compensation for construction staking services shall be considered as included in the price bid for other items of work and no additional compensation will be allowed therefor.

Add to section 5-1.27A General:

Make a record of changes during construction on one set of prints of the plans and specifications provided by the Engineer for this purpose. This set of documents shall be kept at the job site and shall be used only for marking as-built conditions. Upon completion of the project, deliver these documents to the Engineer prior to the processing of the final estimate.

Full compensation for all work associated with as-builts shall be considered as included in the price bid for other items of work and no additional compensation will be allowed therefor.

Add to section 5-1.36:

5-1.36E Survey Monuments Protect survey monuments. Upon discovery of a survey monument within or directly adjacent to the project limits, immediately:

1. Stop work near the monument

2. Notify the Engineer

Do not resume work near the monument until authorized.

6 CONTROL OF MATERIALS

Add to section 6-2.01A:

TESTING AND INSPECTION SERVICES – CONTRACTOR-HIRED TESTING AGENCY

A. The Contractor shall employ and pay for services of an independent testing agency or laboratory acceptable to the Owner to perform all other testing and inspections including inspections and tests which are required as conditions for permits, and as specified on the plans. Special inspections are required for:

· Streetlight foundation concrete mix

· Streetlight foundation anchor bolts

Wherever testing is required, it shall be performed by a Contractor-hired testing agency unless specifically specified as performed by Owner-hired testing agency.

1. Prior to start of Work, submit testing laboratory name, address, and telephone number, and names agency contacts.

2. Submit evidence that testing agency complies with the recommended requirements of ASTM E329. Testing agency shall be acceptable to the Owner and permitting agency.

B. The independent firm shall perform tests, inspections and other services specified in individual specification sections and as required by the Engineer and jurisdictional authority.

C. Testing, inspections and source quality control may occur on or off the project site.

Perform off-site testing as required by the Engineer or the Owner.

D. Four copies of reports shall be submitted by the independent firm to the Engineer, indicating observations and results of tests and indicating compliance or non-compliance with the Contract Documents. Copies of reports shall be wet stamped by authorized representative of testing agency.

E. Testing and employment of testing agency or laboratory shall not relieve Contractor of the obligation to perform Work in accordance with requirements of Contract Documents.

F. Notify the Engineer or notify the Engineer and permitting agency, if applicable, prior to each scheduled test.

G. Re-testing or re-inspection required because of non-conformance to specified requirements shall be performed by the same independent firm on instructions by the Engineer.

H. Testing Agency Responsibilities:

· Test samples of mixes submitted by Contractor.

· Provide qualified personnel at site. Cooperate with Engineer and Contractor in performance of services.

· Perform specified sampling and testing of products in accordance with specified standards.

· Ascertain compliance of materials and mixes with requirements of Contract

Documents.

· Promptly notify Engineer and Contractor of observed irregularities or non-conformance of Work or products.

· Perform additional tests required by Engineer.

· Attend pre-construction meetings and progress meetings.

I. Testing Agency Reports: After each test, promptly submit copies of the report to the Engineer, as specified herein. When requested by Engineer, provide interpretation of test results. At minimum, include the following in reports:

· Date Issued.

· Project title and number.

· Name of inspector.

· Date and time of sampling or inspection.

· Identification of product and specifications section.

· Location in the Project.

· Type of inspection or test.

· Date of test.

· Results of tests.

· Conformance with Contract Documents.

J. Limits On Testing Agency’s Authority:

· Agency or laboratory may not release, revoke, alter, or enlarge on requirements of Contract Documents.

· Agency or laboratory may not approve or accept any portion of the Work.

· Agency or laboratory may not assume any duties of Contractor.

· Agency or laboratory has no authority to stop the Work.

Full compensation for testing and inspection services shall be considered as included in the price bid for other items of work and no additional compensation will be allowed therefor.

7 LEGAL RELATIONS AND RESPONSIBILITY TO THE PUBLIC

Add to section 7-1.02K(5):

Work shall be restricted to between the hours of 8:00 am to 3:00 pm, Monday through Friday. Work shall not be allowed outside this work window, including on Saturday or Sunday, unless approved in advance and in writing by LAVTA and the City. Contractor shall submit requests for extending or modifying the working hours to the Engineer in writing.

8 PROSECUTION AND PROGRESS

Add to section 8-1.10A:

Liquidated damages in the amount of $3,600 per calendar day shall be assessed for each and every calendar day’s delay in finishing the Work in excess of the Contract Time set forth in the amendment.

9 PAYMENT

Add to section 9-1.03:

The bid items are intended to completely cover all work within the plans and specifications. Any work that is not clearly embraced in the various contract bid items is considered as included in the various contract items of work, and no additional compensation will be made.

Add to section 9-1.16D:

Payment for all work associated with all mobilizations, including remobilizations and demobilizations, is considered as included in the price paid as a lump sum for “MOBILIZATION” and there will be no separate payment.

DIVISION II GENERAL CONSTRUCTION

10 GENERAL

Replace section 10-7 with:

10.7 New Streetlights on Railroad Avenue

Add section 10.7.01 New Streetlights on Railroad Avenue Streetlight and luminaire components will be ordered by the contractor. Contractor is responsible for the proper transport, construction, and installation of all parts. Details streetlight and luminaire components are included in the project plans and these specifications.

12 TEMPORARY TRAFFIC CONTROL

Add to section 12-4.02A:

Comply with the traffic control requirements from the City of Livermore for work within the City.

Lane closures are not permitted. Maintain the existing lane configurations, with a minimum lane width of 11 feet.

Contractor shall post “no parking” signs 72 hours prior to starting work. Contractor shall notify surrounding businesses within a 300’ radius from the project location at least 2 weeks prior to starting work.

The full width of the traveled way must be open for use by public traffic on Saturdays, Sundays and designated legal holidays; after 3:00 p.m. on Fridays and the day preceding designated legal holidays; and when construction operations are not actively in progress.

Personal vehicles of your employees must not be parked on the traveled way, including sections closed to traffic.

Emergency Response vehicles are permitted to pass through the work area without delay at all times.

When entering or leaving roadways which bear public traffic, the construction vehicles and equipment, whether empty or loaded, must in all cases yield to public traffic.

Payment for work associated with developing traffic control plans shall be at the contract bid item price paid as a lump sum under the “TRAFFIC CONTROL” bid item including full compensation for all labor, material, equipment and incidentals, including payment of all fees, complying with the requirements of the permits and licenses, and any other equipment necessary for traffic control, and no additional compensation will be allowed therefor.

87 ELECTRICAL SYSTEMS

Replace section 87-21.04:

Payment for all work to remove and salvage the existing streetlight standard shall be paid for as Each under the “REMOVE AND SALVAGE EXISTING ROADWAY STREETLIGHT ASSEMBLY” bid item including full compensation for all labor, material, equipment and incidentals, including removing and salvaging poles, luminaires, and mast arms, disconnecting existing luminaires, removing existing conductors, and any other equipment necessary for removing and salvaging the existing streetlight standard, and no additional compensation will be allowed therefor.

CITY OF LIVERMORE STANDARD SPECIFICATIONS

SECTION 311300 – SELECTIVE TREE AND VEGETATION TRIMMING AND REMOVAL

Add section 3.4:

Payment for tree trimming shall be at the contract bid item price paid as a lump sum under the “TREE TRIMMING” bid item including full compensation for all labor, material, equipment and incidentals, including engaging the services of an arborist, removing and disposing tree cuttings and other vegetation, tree sealant, clean-up of the site, and any other equipment necessary for tree trimming, and no additional compensation will be allowed therefor.

SECTION 344100 – TRAFFIC SIGNALS AND LIGHTINGS SYSTEMS

Replace section 2.3D:

The decorative streetlight standard shall be a Hadco P2540-14-A-N-N-N, or approved equal. The standard shall be aluminum. All hardware shall be tamper resistant stainless steel. Anchor bolts shall be hot dripped galvanized.

Description of Components:

Pole Shaft: Shall be made from a straight 4”, 12 fluted round extruded 6000 series aluminum alloy, having a 0.188-0.313” wall thickness, welded to the base.

Pole Base: Shall be made from extruded 6000 series aluminum alloy.

Maintenance Opening: The pole shall have a 4.375” x 5.75” maintenance opening centered 16.08” from the bottom of the anchor plate.

Hardware: All exposed screws shall be stainless steel with Ceramic primer-seal basecoat to reduce seizing of the parts. All seals and sealing devices should be made and/or lined with EPDM and/or silicone.

Finish: Color to be Black.

Replace section 2.18C:

Decorative luminaires shall be Hadco “VL72-42-G2-A-3-E-740-A-5,” or approved equal.

Description of Components:

Housing: Tall round fluted fitter constructed of die-cast 360 aluminum alloy with removable door for access to electrical components. Button-eye photocell accessible through pod door. Heavy cast aluminum post fitter mounts to 3 in O.D. post tenon (slip fitter 3 in I.D. × 3 in deep). Globe holder contains internal water trap to prevent water entering the driver compartment. Stainless steel captive hardware.

Fasteners: 5/16-18 black cadmium stainless steel Allen head set screws used to secure the post fitter (3) and globe (4).

Globe: Shall be a U.V. stabilized clear acrylic textured globe.

Lamp: (Included), Composed of 42 high-performance white LEDS. Color temperature of Neutral White, 4000 Kelvin nominal (3045K +/- .275K or 3710K to 4260K). CRI 70 Min. 75 Typical. Metal core board ensures greater heat transfer and longer lifespan.

Optical System: Type 3. Composed of high-performance acrylic lenses to achieve optimized distribution and get maximum spacing. Target lumens will create a perfect lighting uniformity.

Performance shall be tested per LM-63, LM-79 and TM-15 (IESNA) certifying its photometric performance.

Heat Sink: Made of extruded aluminum optimizing the LEDs efficiency and life. Product does not use any cooling device with moving parts (only passive cooling device).

Driver: High power factor of 90%. Electronic driver, operating range 50/60 Hz. Auto-adjusting to a voltage between 120 and 277 volt AC rated for both application line to line or line to neutral, Class II, THD of 20% max. Maximum ambient operating temperature from -40°F (-40°C) to 130°F (55°C) degrees. Assembled on a unitized removable tray with Tyco quick disconnect plug resisting to 221°F (105°C) degrees. Driver comes standard with 0-10V dimming capability. High power factor of 95%.

Electronic driver, operating range 50/60 Hz. Auto adjusting universal voltage input from 120 to 277 VAC rated for both application line to line or line to neutral, Class I, THD of 20% max. Driver operating ambient temperature range is -40°F (-40°C) to +130°F (+55°C). Certified in compliance to UL1310 cULus requirement (dry and damp location). Assembled on a unitized removable tray with Tyco quick disconnect plug resisting to 221°F (105°C). The current supplying the LEDs will be reduced by the driver if the driver experiences internal overheating as a protection to the LEDs and the electrical components. Output is protected from short circuits, voltage overload and current overload. Automatic recovery after correction. Standard built in driver surge protection of 2.5kV (min).

Surge Protector: Surge protector tested in accordance with ANSI/IEEE C62.45 per ANSI/IEEE C62.41.2 Scenario I Category C High Exposure 10kV/10kA waveforms for Line Ground, Line Neutral and Neutral Ground, and in accordance with U.S. DOE (Department of Energy) MSSLC (Municipal Solid State Street Lighting Consortium) model specification for LED roadway luminaires electrical immunity requirements for High Test Level 10kV / 10kA.

Fitter: Tall Round fluted fitter is constructed of die-cast 360 aluminum alloy, low copper for high resistance to corrosion, with removable door providing entry into the fitter assembly for easy access to the electrical components.

Wiring: 18 AWG wire, 6" (152mm) minimum exceeding from luminaire. Due to the inrush current that occurs with electronic drivers, recommend using a time-delay or slow blow fuse to avoid unwanted fuse blowing (false tripping) that can occur with normal or fast acting fuses.

Hardware: All non-ferrous fasteners prevent corrosion and ensure longer life.

Color: Color to be Black. Color in accordance with the AAMA 2603 standard. Application of polyester powder coat paint (4 mils/100 microns) with ± 1 mils / 24 microns of tolerance. The Thermosetting resins provides a discoloration resistant finish in accordance with the ASTM D2244 standard, as well as luster retention in keeping with the ASTM D523 standard and humidity proof in accordance with the ASTM D2247 standard. The surface treatment achieves a minimum of 2000 hours for salt spray resistant finish in accordance with testing performed and per ASTM B117 standard.

Add section 2.3E:

Payment for furnishing and installing the decorative streetlight standard shall be at the contract bid item price paid per each under the “FURNISH AND INSTALL DECORATIVE STREETLIGHT ASSEMBLY ON NEW FOUNDATION” bid item including full compensation for all labor, material, equipment and incidentals, including foundations, anchor bolts, nuts, luminaires/lamps, surge protection, LED drivers, and any other equipment necessary for a complete-in-place decorative streetlight standard, and no additional compensation will be allowed therefor.

Payment for furnishing and installing the decorative streetlight standard shall be at the contract bid item price paid per each under the “FURNISH AND INSTALL DECORATIVE STREETLIGHT ASSEMBLY ON EXISTING FOUNDATION” bid item including full compensation for all labor, material, equipment and incidentals, including nuts, luminaires/lamps, surge protection, LED drivers, and any other equipment necessary for a complete-in-place decorative streetlight standard, and no additional compensation will be allowed therefor.

Add section 2.4H:

Payment for furnishing and installing the 2” conduit by directional drilling shall be at the contract bid item price paid per linear foot under the “FURNISH AND INSTALL 2" CONDUIT VIA DIRECTIONAL DRILLING” bid item including full compensation for all labor, material, equipment and incidentals, including fittings, couplings, connecting to new and existing pull boxes, restoring any asphalt, curb, gutter, sidewalk damaged in the process, and any other equipment necessary for installing conduit by directional drilling, and no additional compensation will be allowed therefor.

Add section 2.5E:

Payment for furnishing and installing the No. 3.5 pull boxes shall be at the contract bid item price paid per linear foot under the “FURNISH AND INSTALL NO. 3.5 PULL BOX” bid item including full compensation for all labor, material, equipment and incidentals, including excavating and hauling concrete and soil, making all necessary conduit connections, and any other equipment necessary for installing No 3.5 pull boxes, and no additional compensation will be allowed therefor.

Add section 2.6F:

Payment for furnishing and installing the conductors shall be at the contract bid item price paid per linear foot under the “FURNISH AND INSTALL STREETLIGHT CONDUCTORS IN NEW CONDUIT” bid item including full compensation for all labor, material, equipment and incidentals, including all conductor splicing and terminations, installing in existing and new conduit, testing, and any other equipment necessary for installing the conductors, and no additional compensation will be allowed therefor.

CITY OF LIVERMORE

Public Works

Contract Documents

New Streetlights on Railroad Avenue

SPECIFICATIONS

Table of Contents

DIVISION 2 – EXISTING CONDITION

Section 024100 – Demolition

DIVISION 31 – EARTHWORK

Section 310000 – Earthwork Section 311300 – Selective Tree and Vegetation Trimming and Removal Section 312300 – Utility Earthwork

DIVISION 32 – EXTERIOR IMPROVEMENTS

Section 321000 – Asphalt Pavement, Base and Surface Treatments Section 321300 – Concrete Surface Improvements

DIVISION 34 – TRANSPORTATION

Section 344100 – Traffic Signals and Lightings Systems

City of Livermore DEMOLITION 024100.doc – 03/12 SECTION 024100 - PAGE 1

SECTION 024100 - DEMOLITION

PART 1 -- GENERAL

1.1 THE REQUIREMENT

A. The CONTRACTOR shall provide all materials, equipment and labor necessary to perform and complete all demolition work shown on the Drawings and as specified herein. This includes, but is not necessarily limited to, such items as demolition, removal, recycling and disposal of asphalt concrete, miscellaneous concrete, vegetation and all other structures, or features as required.

B. Manufactured articles, materials, equipment, and accessories shall be demolished in accordance with the manufacturer's printed specifications and recommendations, and industry standards, unless otherwise shown or specified.

C. Hazardous materials shall be handled, removed and disposed of in accordance with all regulatory agency requirements.

D. Building utilities shall be disconnected, removed, capped and identified in accordance with the appropriate agency requirements.

E. The CONTRACTOR shall coordinate with the CITY for demolition permits required by the CITY and with all other regulatory agencies and utility companies.

1.2 RELATED WORK SPECIFIED ELSEWHERE

A. Section 312300 Utility Earthwork.

B. Division 1 General Requirements.

1.3 REFERENCE SPECIFICATIONS, CODES, AND STANDARDS

A. The demolition and sealing of wells, septic tanks and underground tanks shall be in accordance with regulatory agency requirements. The CONTRACTOR shall obtain all required permits and file all required reports.

CONTRACTOER shall meet all requirements of the City’s LMC Section 15.28 Construction Demolition Debris Ordinance which requires that 50% of all demolition debris be diverted.

B. Commercial Standards:

1. USA Underground Service Alert.

1.4 CONTRACTOR SUBMITTALS

A. Demolition Schedule: The CONTRACTOR shall submit a complete coordination schedule for demolition work including shut-off and continuation of utility services prior to start of the work. The schedule shall indicate proposed methods and operations of facility demolition, and provide a detailed sequence of demolition and removal work to ensure uninterrupted operation of occupied areas.

B. CONTRACTOR submit a Waste Management Plan identifying how that diversion will be met.

C. The CONTRACTOR shall provide copies of written agreements from private land owner's, landfill operators, or other agencies accepting disposal of any demolished material prior to any work.

1.5 JOB CONDITIONS

024100.doc – 03/12 SECTION 024100 - PAGE 2

A. Condition of Facilities: The CITY assumes no responsibility for actual condition of facilities to be demolished. The CONTRACTOR shall visit the site and inspect the existing facilities.

PART 2 -- PRODUCTS (Not Used)

PART 3 -- EXECUTION

3.1 OCCUPANCY AND POLLUTION CONTROL

A. Water sprinkling, temporary enclosures, chutes and other suitable methods shall be used to limit dust and dirt rising and scattering in the air. The CONTRACTOR shall comply with all government regulations pertaining to environmental protection.

B. Water shall not be used in a manner that creates hazardous or objectionable conditions such as ice, flooding, or pollution.

3.2 PROTECTION

A. Safe passage of persons around area of demolition shall be provided in accordance with all safety and regulatory requirements. Operations shall be conducted to prevent damage to adjacent buildings, structures, other facilities, people and property.

B. Interior and exterior shoring, bracing, or supports shall be provided to prevent movement, settlement or collapse of structures to be demolished and to adjacent facilities to remain.

C. Existing landscaping materials, structures, and appurtenances which are not to be demolished shall be protected and maintained.and replaced if damaged.

D. The CONTRACTOR shall protect and maintain conduits, drains, sewers, pipes and wires that are not to be demolished.

3.3 SMALL STRUCTURE DEMOLITION

A. Small structures may be removed intact when acceptable to the ENGINEER and approved by the City

Building Official.

B. Demolition shall proceed in a systematic manner, typically from top of structure to ground.

C. Concrete and masonry shall be demolished in small sections.

3.4 BELOW-GRADE DEMOLITION

A. Footings, foundation walls, below-grade construction and concrete slabs on grade including utility lines shall be demolished and removed to a depth which will not interfere with new construction but shall not be less than 12 inches below existing ground surface or future ground surface, whichever is lower.

B. Below-grade areas and voids resulting from demolition of structures shall be completely filled.

C. All fill and compaction shall be in accordance with Section 312300, "Utility Earthwork."

D. All fill and compaction surfaces shall be graded to meet adjacent contours and to provide flow to surface drainage structures, or as shown on the Drawings.

E. Where installation of new utilities requires partial removal or demolition of an existing utility, the existing utility shall be removed to sound material. Pipes to be demolished that require no future connection shall be removed to the extent required and sealed and capped. Sanitary sewer laterals shall be removed as required and a new sewer clean out shall be installed in accordance with the

024100.doc – 03/12 SECTION 024100 - PAGE 3

Standard Specifications and Details. Pipes to be demolished that require a connection shall be removed to the extent required to install the new connection. Pipe sections shall be removed either by sawcutting, removing a complete pipe section to an existing joint, or other adequate means which results in a clean joint acceptable to the ENGINEER..

F. The CONTRACTOR shall demolish and seal all wells, septic tanks and underground tanks in accordance with applicable regulatory agency requirements and permits.

G. Joint domestic/fire service laterals shall be abandoned as follows:

1. The Blow Off Assembly shall be removed and capped underground.

2. At the connection to the main the existing lateral valve shall be removed and a blind flange shall be installed on the tee at the main. The lateral pipe shall be abandoned in place by capping both ends of the lateral pipe.

3. The existing structural section of the roadway shall be replaced in kind in accordance with the City Standard specifications.

3.5 AT GRADE DEMOLITION

A. All asphalt concrete and all portland cement concrete curbs, gutters, sidewalks, access ramps and driveways shall be saw-cut at the nearest scoreline or deep joint and removed entirely to the saw-cut limits. Where adjacent pavement or concrete is broken or deteriorated sufficiently to prohibit a sound replacement the entire deteriorated section shall be removed to the limits determined by the

ENGINEER.

3.6 DISPOSAL OF DEMOLISHED MATERIALS

A. Demolition and removal of debris shall be conducted to ensure minimum interference with roads, streets, walks and other adjacent occupied or used facilities which shall not be closed or obstructed without permission from the CITY. Alternate routes shall be provided around closed or obstructed traffic ways.

B. Site debris, rubbish and other materials resulting from demolition operations shall become the property of the CONTRACTOR and shall be removed by the CONTRACTOR at the CONTRACTOR's expense to a suitable site. The proper and legal disposal of demolished materials shall be the responsibility of the CONTRACTOR.

3.7 PATCHING AND REPAIRING

A. The CONTRACTOR shall provide patching, replacing, repairing and refinishing of damaged areas or damaged adjacent facilities involved in the demolition. New concrete shall match the existing adjacent surfaces, in kind or of better quality, to the satisfaction of the ENGINEER, at no cost to the CITY or to the owners of the facilities.

3.8 CLEANUP

A. During and upon completion of work the CONTRACTOR shall promptly remove unused tools and equipment, surplus materials, rubbish, debris and dust and shall leave areas affected by work in a clean, approved condition.

B. The CONTRACTOR shall clean adjacent structures and facilities of dust, dirt and debris caused by demolition, as directed by the ENGINEER or governing authorities, and return adjacent areas to condition existing prior to start of work.

C. The CONTRACTOR shall clean and sweep daily all street and roads affected by its operation.

024100.doc – 03/12 SECTION 024100 - PAGE 4

- END OF SECTION -

City of Livermore EARTHWORK 310000.doc – 01/2013 SECTION 310000 - PAGE 1

SECTION 310000 - EARTHWORK

PART 1 -- GENERAL

1.1 THE REQUIREMENT

A. The CONTRACTOR shall provide all materials, equipment and labor necessary to furnish and construct the roadway subgrade and all appurtenant work, complete in place, as shown on the Drawings and as specified herein.

B. Work Covered in this Section:

1 Site Clearing, Grubbing and Stripping.

2. Preparation for Fill Material.

3. Roadway Excavation.

4. Roadway Grading and Compaction.

1.2 RELATED WORK SPECIFIED ELSEWHERE

A. Section 024100 Demolition.

B. Section 015700 Site Preparation.

C. Section 312300 Utility Earthwork.

D. Section 321000 Asphalt Pavement, Base and Surface Treatments.

E. Division 1 General Requirements.

1.3 REFERENCE SPECIFICATIONS, CODES AND STANDARDS

A. State of California (Caltrans) Standards:

1. Standard Specifications:

Section 16 Clearing and Grubbing.

Section 19 Earthwork.

Section 68 Subsurface Drains.

Section 88 Engineering Fabrics.

B. Uniform Building Code.

C. Commercial Standards:

ASTM C 117 Test Method for Materials Finer than 75-µm (No. 200) Sieve in

Mineral Aggregates by Washing.

ASTM C 136 Method for Sieve Analysis of Fine and Course Aggregates.

ASTM D 1556 Test Method for Density of Soil in Place by the Sand-Cone Method.

ASTM D 1557 Test Methods for Moisture-Density Relations of Soils and Soil-

Aggregate Mixtures Using 10-lb (4.54-kg) Rammer and 18-in.

(457-mm) Drop.

City of Livermore EARTHWORK 310000.doc – 01/2013 SECTION 310000 - PAGE 2

ASTM D 2844 Test Method for Resistance R-Value and Expansion Pressure of Compacted Soils.

ASTM D 2922 Test Methods for Density of Soil and Soil-Aggregate in Place by

Nuclear Methods (Shallow Depth).

ASTM D 3017 Test Method for Water Content of Soil and Rock in Place By

Nuclear Methods (Shallow Depth).

ASTM D 4318 Test Method for Liquid Limit, Plastic Limit, and Plasticity Index of

Soils.

1.4 CONTRACTOR SUBMITTALS

A. Certificates of Compliance: Certificates of Compliance shall be provided for all products and martials proposed to be used under this Section.

1.5 QUALITY ASSURANCE

A. All soils testing will be done by a testing laboratory of the CITY'S choice and at the CITY'S expense, except as otherwise specified in this Section.

B. Where soil material is required to be compacted to a percentage of relative compaction, the maximum density at optimum moisture content will be determined in conformance with ASTM D 1557. Field density in-place and moisture content tests will be performed in conformance with ASTM D 2922 and ASTM D 3017, respectively, or by such other means acceptable to the ENGINEER.

C. If the tested materials show non-compliance with the required relative compaction, the CONTRACTOR shall accomplish such remedy as may be required to insure compliance.

D. The CITY will pay the cost of the first test and one re-test. Subsequent re-testing after the first re-test to show compliance shall be at the CONTRACTOR'S expense.

E. The CONTRACTOR shall notify the ENGINEER at least 48 hours prior to performing any site clearing, grubbing, or stripping.

F. Finish subgrade at any point shall not vary more than 0.1-foot above or below the subgrade shown on the Drawings.

1.6 PROJECT CONDITIONS

A. Material for embankments, where required, shall consist of suitable excavated material if available, or such imported fill material as may be required conforming to the requirements of this Section and the appurtenant soils report.

B. The CONTRACTOR shall be solely responsible for the maintenance of the graded surface at all times including implementing all erosion control measures as shown on the drawings during the winter months.

C. The CONTRACTOR shall be solely responsible for provision of adequate site drainage at all times as shown on the grading and erosion control plans during the course of the WORK.

PART 2 -- PRODUCTS

2.1 SUITABLE FILL MATERIAL

A. Import fill material shall consist of inert granular soil and rock fragments and shall conform to the requirements of the appurtenant soils report.

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B. All fill material, import or native, shall be free of organic materials, trash and debris, moderately to highly expansive clays, or any other deleterious materials, and shall be subject to the approval of the

C. In addition to the soils report requirements, the top 2 feet of import fill material below the subgrade for the roadway shall conform to the following requirements:

1. Fill material shall conform to the following as determined by ASTM C 117 and ASTM C 136:

a. Maximum particle size 3 inches

b. Percent passing 1-inch sieve 90-100 percent

c. Percent passing No. 200 sieve less than 20 percent

2. Plasticity Index for acceptable import fill materials shall be a maximum of 15 when determined by the procedure set forth in ASTM D 4318.

3. The liquid limit shall not exceed 40 percent as determined by the procedures set forth in ASTM D

4318.

4. Import fill material shall have an R-value of 25 or greater as determined by ASTM D 2844.

D. The CONTRACTOR shall submit to the ENGINEER at least 10 working days prior to use on the site its proposed source of import fill material along with a soils report and Certification from the designated source that the proposed source materials conform to this Section.

E. All suitable native fill material containing clods or hard lumps of earth over 6 inches in the greatest dimension shall be broken up before compaction. All suitable native fill material consisting of large rocky material or hard lumps, such as hardpan or cemented gravel which cannot be broken readily, shall be well distributed in the lower portions throughout the earthwork.

3.1 SITE CLEARING, GRUBBING AND STRIPPING

A. Clearing and grubbing shall conform to Section 16, "Clearing and Grubbing," of the Caltrans Standard

Specifications and this Section.

B. Unless otherwise shown on the Drawings, clearing and grubbing shall be performed within the entire street right-of-way area. No burning of material will be allowed.

C. The site shall be stripped and cleared of all vegetation, debris and organic-laden top soil as required by the appurtenant soils report. The stripped material shall be removed from the site or stockpiled for landscaping purposes if allowed by the appurtenant soils report. This material shall not be used as import fill.

D. No clearing or grubbing of the site can take place until any environmental review associated with the project, if any, has been completed and approved by the appropriate agencies.

3.2 PREPARATION FOR FILL MATERIAL

A. Prior to placing import fill material, all areas to receive fill shall be scarified and compacted. Unless otherwise stated in the appurtenant soils report, the area shall be scarified to a minimum of 8 inches, material shall be moisture conditioned by wetting or drying to a range of 2 percent to 5 percent over optimum moisture content, and compacted to a density of not less than 90 percent relative compaction in conformance with ASTM D 1557.

3.3 ROADWAY GRADING AND COMPACTION

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A. Roadway grading shall consist of grading the site to the lines and grades called for on the Drawings.

Roadway grading, placing and compacting shall conform to Section 19-5, "Compaction" and Section 19-6, "Embankment Construction," of the Caltrans Standard Specifications and as modified by this Section.

B. Damage to underlying native soils caused by the CONTRACTOR'S operations shall be repaired and re-compacted under the supervision of and to the satisfaction of the ENGINEER at no additional cost to the CITY.

C. Material for roadway fill shall be placed in lifts or horizontal layers not exceeding 8 inches in un-compacted thickness. Unless otherwise specified in the appurtenant soils report, material shall be moisture conditioned by wetting or drying as specified in Section 3.2 above, and compacted to a density of not less than 90 percent relative compaction in conformance with ASTM D 1557. In addition, in fill areas the upper 2 feet below street subgrade for the width of the traveled way shall be compacted to a density of not less than 95 percent relative compaction in conformance with ASTM D 1557.

D. Final preparation of subgrade shall be in conformance with PART 3 - EXECUTION of Section 321000, "Asphalt Pavement, Base and Surface Treatments."

3.4 ROADWAY EXCAVATION

A. Roadway excavation shall conform to Section 19-1, "General" and Section 19-2, "Roadway

Excavation" of the Caltrans Standard Specifications, except the reference to Section 19-5, "Compaction," is deleted, and except that Section 19-2.02, "Unsuitable Material," is modified as follows:

1. When directed by the ENGINEER, the CONTRACTOR shall excavate the unstable or unsuitable underlying material to the depth determined by the appurtenant soils report.

2. Subgrade shall be prepared in conformance with PART 3 - EXECUTION, of Section 321000, "Asphalt Pavement, Base and Surface Treatments."

3.5 UNDERGROUND STRUCTURES

A. Where abandoned underground structures and pipelines are encountered in the street areas, remove to sufficient depth to allow underground lines to cross, backfill and compact during rough grading. The ENGINEER may require further work to be done if visual inspection indicates during construction.

3.6 DISPOSAL OF EXCESS EXCAVATED MATERIAL

A. The CONTRACTOR shall remove and dispose of all excess excavated material to a suitable site. All testing required for legal disposal of excess materials shall be conducted by the Contractor at the Contractor’s expense. The proper and legal disposal shall be the responsibility of the CONTRACTOR.

If the material is tested and found to be hazardous and requires disposal in a Class 1 or Class 2 landfill then the Contractor’s price and contract time shall be adjusted as per the General Conditions.

City of Livermore SELECTIVE TREE AND VEGETATION TRIMMING AND REMOVAL 311300.doc – 01/2013 SECTION 311300 - PAGE 1

SECTION 311300

SELECTIVE TREE AND VEGETATION TRIMMING AND REMOVAL

PART 1 -- GENERAL

1.1 THE REQUIREMENT

A. The CONTRACTOR shall provide all materials, equipment and labor necessary to perform the selective tree and vegetation trimming and all appurtenant work, complete in place, as shown on the Drawings and as specified herein.

B. Work Specified in this Section:

1. Verification of trees and vegetation to be trimmed with ENGINEER.

2. Trimming of trees and other vegetation in the street right of way.

3. Removal of trees and other vegetation as approved by the ENGINEER.

4. Removal of cuttings and clean-up of the jobsite.

1.2 RELATED WORK SPECIFIED ELSEWHERE

A. Section 321000 Asphalt Pavement, Base, and Surface Treatments.

B. Section 321200 Flexible Pavement Coatings.

C. Division 1 General Requirements.

1.3 REFERENCE SPECIFICATIONS, CODES, AND STANDARDS

A. State of California (Caltrans) Standards:

1. Standard Specifications:

Section 12 Construction Area Traffic Control Devices.

B. Commercial Standards:

1. CAL-OSHA Standards.

2. ANSI Regulations.

1.4 CONTRACTOR SUBMITTALS

A. The CONTRACTOR shall submit copies of the supervising arborist's certification from the Western

Chapter of the International Society of Arboriculture to the ENGINEER prior to performing the

WORK.

B. The CONTRACTOR shall submit copies of required resident notifications to the ENGINEER for review prior to distribution. The CONTRACTOR shall follow up each notification and parking restriction posting with submittal to the ENGINEER of a signed affidavit confirming time and date of each notification or posting.

1.5 QUALITY ASSURANCE

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A. All trimming work shall be performed under the direct supervision of and in conformance with the recommendations of an arborist certified by the Western Chapter of the International Society of Arboriculture and the City of Livermore Municipal Code Section 12.20.

1.6 QUALITY CONTROL

A. The CONTRACTOR shall be held responsible for any damage to trees, vegetation, or private property caused by its construction operations or trees that die after improper pruning or trimming.

At the CITY’S option, the CONTRACTOR shall be assessed for the value of the damage to the trees, vegetation or private property based upon the International Society of Arboriculture’s Standard method of valuation.

B. The CONTRACTOR shall furnish all tools and equipment and employ trained tree trimmer personnel under the direction of the arborist to operate all equipment and perform all handwork efficiently and skillfully.

C. The trimming work shall be performed in a safe and proper manner adhering to CAL-OSHA standards and ANSI regulations.

PART 2 -- PRODUCTS

2.1 TREE SEALER

A. Tree sealer shall be as manufactured by Ready to Use "Tre-hold," or equal, tree sealer conforming to the following specifications:

1. A commercial grade, quick drying, tree sealer which shall have suitable qualities to coat and seal damaged bark and cuts, and inhibit secondary growth. Application shall be made in accordance with the manufacturer's printed recommendations.

3.1 ORDER OF WORK

A. Trimming and/or removal shall be performed only on trees or vegetation requiring work in order to conform to the parameters set forth in this Section, unless otherwise directed by the ENGINEER.

B. The CONTRACTOR shall identify all trees and vegetation determined to require trimming or removal with temporary chalk paint markings on the adjacent street travel way for review by the ENGINEER prior to beginning any cutting operations.

C. A list verifying the address and/or location of all trees or vegetation to be trimmed or removed shall be prepared by the CONTRACTOR and submitted to the ENGINEER for review by the City’s designated landscape specialist.

D. The CONTRACTOR shall notify all property occupants when trees or vegetation is to be trimmed or removed in accordance with this Section. All written notifications to be distributed to affected property occupants shall be submitted to the ENGINEER for review prior to distribution. The CONTRACTOR shall distribute notifications and post temporary no parking restrictions per this Section a minimum of 72 hours in advance of any cutting operations.

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3.2 PUBLIC NOTIFICATION

A. All residents, businesses, and public facilities affected by the WORK shall be provided with prior notification in accordance with Division 1, General Requirements. All notifications shall be in a form of written posting, setting the time and date that the cutting operations will take place. The CONTRACTOR shall follow up each notification with submittal to the Engineer of a signed affidavit confirming time and date of each notification or posting.

B. "No Parking" zones shall also be established where necessary to accomplish trimming operations in conformance with the Division 1, General Technical Requirements.

3.3 TREE AND VEGETATION TRIMMING

A. Tree limbs or other vegetation obstructions shall be trimmed to a minimum height of 11 feet above the roadway, as measured from the lip of gutter, and to 8 feet-9 inches above the sidewalk, as measured from the back of sidewalk. The crown of the tree shall be balanced as necessary.

Balancing of the crown of the tree shall be accomplished by thinning, reducing end weights, shortening long heavy limbs, removing deadwood, weak limbs, and sucker growth. Limbs shall be pruned back to an appropriate lateral branch.

B. Tree limbs shall not be torn or ripped. All final pruning cuts shall be clean cuts.

C. Trees and vegetation shall be trimmed in such a manner as not to injure adjacent trees, plants, and/or improvements which are to be preserved.

D. Cuts or damage to areas of tree bark caused by the CONTRACTOR'S trimming operations shall be treated with a sealer such as "Tre-hold," or equivalent, as approved by the ENGINEER. Application of the tree sealer shall be made according to the manufacturer's printed recommendations.

E. All trimmings and debris generated from these operations shall be removed completely from both the public right of way and adjacent private property and properly disposed of in a legal manner in conformance with the Division 1, General Requirements.

City of Livermore UTILITY EARTHWORK 312300.doc – 05/14 SECTION 312300 - PAGE 1

SECTION 312300 - UTILITY EARTHWORK

PART 1 -- GENERAL

1.1 THE REQUIREMENT

A. The CONTRACTOR shall provide all materials, equipment, and labor necessary to perform and complete all utility earthwork as shown on the Drawings and as specified herein.

B. The work of this Section includes all earthwork required for construction of the project. Such earthwork shall include, but may not necessarily be limited to, the loosening, removing, loading, transporting, depositing, and compacting in its final location of all materials wet and dry, as required for the purposes of completing the work, which shall include, but not necessarily be limited to, the furnishing, placing, and removing of sheeting, shoring and bracing necessary to safely support the sides of all excavations; all pumping, ditching, draining and other required measures for the removal or exclusion of water from the excavation; the supporting of structures above and below the ground;

all backfilling around structures and all backfilling of trenches and pits; the disposal of excess excavated materials; borrow of materials to make up deficiencies for fills; and all other incidental earthwork.

C. Hazardous materials shall be handled in accordance with all regulatory agency requirements.

1.2 RELATED WORK SPECIFIED ELSEWHERE

A. Section 024100 Demolition.

B. Section 015700 Site Preparation.

C. Section 310000 Earthwork.

D. Section 312323 Controlled Low Strength Materials (CLSM).

E. Division 2 and 5 Pipe Sections as applicable.

F. Section 328000 Irrigation Systems.

G. Section 329113 Landscape Soil Preparation.

H. Section 329300 Landscape Planting.

I. Section 331100 Piping, General.

J. Division 1 General Requirements.

1.3 REFERENCE SPECIFICATIONS, CODES, AND STANDARDS

A. State Codes:

California Labor Code.

Construction Safety Orders of the State of California.

B. State of California (Caltrans) Standards:

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1. Standard Specifications:

Section 25 Aggregate Subbases.

Section 26 Aggregate Bases.

Section 68 Subsurface Drains.

Section 88 Engineering Fabrics

C. Commercial Standards:

ASTM D 422 Test Method for Particle-Size Analysis of Soils.

ASTM D 1556 Test Method for Density of Soil in Place by the Sand-Cone

Method.

ASTM D 1557 Test Methods for Moisture-Density Relations of Soils and

Soil-Aggregate Mixtures Using 10-lb (4.54-kg) Rammer and 18-in. (457-mm) Drop.

ASTM D 1633 Test Method for Compressive Strength of Molded Soil-

Cement Cylinders.

ASTM D 2419 Method for Sand Equivalent Value of Soils and Fine

Aggregate.

ASTM D 2487 Test Method for Classification of Soils for Engineering

Purposes.

ASTM D 2922 Test Methods for Density of Soil and Soil-Aggregate in

Place by Nuclear Methods (Shallow Depth).

ASTM D 3017 Test Method for Water Content of Soil…