COUNTY OF SACRAMENTO

Department of Waste Management and Recycling

KIEFER LANDFILL

CONTRACT NO. 4688

MPA AND PAVEMENT REPAIRS

CONTRACT SPECIFICATIONS

Project Manager: Jeremy Zuber Sacramento County - Department of Waste Management and Recycling

(916) 875-6808 zuberj@saccounty.gov

July 2026

NOTE: The County of Sacramento Standard Construction Specifications dated November 1, 2024 are hereby made a part of these Special Provisions. The Standard Construction Specifications may be downloaded at http://www.saccountyspecs.net.

JENNIFER CLAIBORNE, DIRECTOR

DEPARTMENT OF WASTE MANAGEMENT AND RECYCLING

Contract 4688 – KLF MPA & Pavement Repairs July 2026

4688 section 010000 division 1.docx Special Provisions Page 010000-1

KIEFER LANDFILL

MPA AND PAVEMENT REPAIRS

CONTRACT NO. 4688

TABLE OF CONTENTS FOR CONTRACT DOCUMENTS

DIVISION 1 – GENERAL REQUIREMENTS

MODIFICATIONS TO STANDARD CONSTRUCTION SPECIFICATIONS

3-2 CONSIDERATION OF BIDS

3-3 AWARD OF CONTRACT

3-7 EXECUTION OF CONTRACT

4-1 INTENT OF CONTRACT DOCUMENTS

4-1.02 WORK AND LIMITATIONS

4-2 PLANS AND SPECIFICATIONS FURNISHED

4-6 DOCUMENT PRECEDENCE

5-1 AUTHORITY OF AGENCY

5-8.01 SUBMITTALS – GENERAL

5-9.01 AGENCY-FURNISHED SURVEYS

5-16 TESTING

6-1.02 PREVAILING WAGE

6-11 EXISTING UTILITIES

6-11.06 UTILITY SHUTDOWNS AND CONNECTIONS

7-3 PRECONSTRUCTION CONFERENCE AND PROGRESS MEETINGS

7-8.01 ALLOWABLE TIMES AND HOURS OF WORK

7-9 TEMPORARY FACILITIES

7-9.01 FIELD OFFICES

7-9.02 CONSTRUCTION SITE UTILITIES

7-10 PROTECTION OF WORK, PERSONS AND PROPERTY

7-15 TIME OF COMPLETION

8-10 LIQUIDATED DAMAGES

10-4.06 AGENCY REQUIREMENTS

10-7 CONTAMINATED OR HAZARDOUS MATERIALS

10-7.01 CONCRETE CRYSTALLINE SILICA

10-9 SANITARY REGULATIONS

12-4.02 TRAFFIC CONTROL PLANS (TCP)

Contract 4688 – KLF MPA & Pavement Repairs July 2026

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DIVISION 1 – GENERAL REQUIREMENTS

CONSTRUCTION REQUIREMENTS

011100 SUMMARY OF WORK

012000 MEASUREMENT AND PAYMENT

013223 LAYOUT OF WORK AND SURVEYS

013300 SUBMITTALS

013523 HEALTH AND SAFETY

014000 QUALITY CONTROL

015000 CONSTRUCTION FACILITIES

015700 TEMPORARY CONTROLS

016000 MATERIALS AND EQUIPMENT

017000 PROJECT RECORD DOCUMENTS

017400 CONSTRUCTION CLEANING

TECHNICAL SPECIFICATIONS

DIVISION 2 – EXISTING CONDITIONS

020100 MAINTENANCE OF EXISTING CONDITIONS

DIVISION 3 – CONCRETE

031000 CONCRETE FORMWORK

032000 CONCRETE REINFORCEMENT

DIVISION 31 – EARTHWORK

310505 SELECTIVE DEMOLITION

311000 CLEARING, GRUBBING AND, STRIPPING

312000 SITE EARTHWORK

312300 EXCAVATION AND FILL

312316 EXCAVATION

DIVISION 32 – EXTERIOR IMPROVEMENTS

321100 AGGREGATE BASE COURSE

321200 FLEXIBLE PAVING

321300 RIGID PAVING

321723 PAVEMENT MARKINGS

Contract 4688 MPA and Paving Repairs July 2026

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DIVISION 1 - GENERAL REQUIREMENTS

All portions of the County of Sacramento Standard Construction Specifications dated November 1, 2024, are hereby made part of these specifications.

Modifications to the Standard Construction Specifications are noted below. The Standard Construction Specifications along with these project specifications shall be considered as one body of specifications.

MODIFICATIONS TO STANDARD CONSTRUCTION SPECIFICATIONS

3-2 CONSIDERATION OF BIDS

Sentence three of paragraph two shall be deleted and replaced with the following:

If the bid is missing a lump sum price or a unit price, in either the base bid or any alternate, then the bid will be deemed incomplete and the bid will be rejected as non-responsive.

3-3 AWARD OF CONTRACT

Delete the entire section and replace with the following:

If the Contract is awarded, the award will be to the lowest qualified, responsive, responsible Bidder and as noted on the proposal bid form. Bidders will be prequalified using the DIR questionnaire as described in Public Contract Code section 20101.

3-7 EXECUTION OF CONTRACT

Add the following paragraph to this section:

Agreement forms shall be those shown in Sample Forms of the Standard Construction Specifications.

Any executed documents not handled through DocuSign shall be delivered to the following address:

Department of General Services, Contract and Purchasing Services Division 9660 Ecology Lane, Sacramento, CA 95827

Where electronic submittals of documents are identified as acceptable within these special provisions, the Contractor may contact Jesse Sanchez of the Contract and Purchasing Services Division at sanchezj@saccounty.gov to coordinate an electronic submittal of the required documents via SacDrive in lieu of delivering hard copies or CD/DVD/Flash Drives.

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4-1 INTENT OF CONTRACT DOCUMENTS

Add the following paragraphs to this section:

The project specifications use the Construction Specifications Institute (CSI) format. The CSI format divisions shall not operate to make the County an arbiter to establish subcontract limits between Contractor and/or subcontractors. The General Contractor is responsible to the County for all phases of construction and a complete job.

The existing conditions depicted on the drawings and specifications are developed from record information. Exact locations, distances, dimensions, elevations, etc., shall be governed by actual field conditions and verified by the Contractor.

4-1.02 WORK AND LIMITATIONS

1. During the progress of work, the existing facilities shall be maintained without interruption, except by specific arrangement with the Project Inspector and then only at such times as approved in writing by the Project Inspector.

2. The Contractor shall coordinate the work of this contract through the Project Inspector assigned by the Engineer.

4-2 PLANS AND SPECIFICATIONS FURNISHED

The first paragraph shall be deleted and replaced with the following:

The Agency will provide the fully executed Contract for the Contractor’s use in prosecuting the Work. The Agency will not provide copies of Project Plans, Standard Drawings or State Plans, Project Specifications, Standard Construction Specifications or the State Specifications, and Special Provisions.

Project Plans and Project Specifications can be downloaded from https://procurement.opengov.com.

4-6 DOCUMENT PRECEDENCE

3. Project Plans

a) Detail notes shall take precedence over General Notes

b) Larger scale drawings/details shall take precedence over small scale drawings https://procurement.opengov.com/

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5-1 AUTHORITY OF AGENCY

5-8.01 SUBMITTALS – GENERAL

Sentence one of paragraph three shall be replaced by the following:

Copies of all submittals shall be furnished electronically, an electronic copy will be returned after review.

5-9.01 AGENCY-FURNISHED SURVEYS

The entire section shall be deleted and replaced with the following:

The contractor shall be responsible for and shall perform all surveys and measurements necessary for layout and control of work in accordance with Section 5-9.03 of the Standard Construction Specifications.

5-16 TESTING

Testing of soils, concrete and aggregate shall be performed by the County in accordance with Section 5-16 of the Standard Construction Specifications. All other tests shall be performed and paid for by the Contractor as required in these contract documents.

6-1.02 PREVAILING WAGE

Add the following sentence to the first paragraph:

All questions regarding labor compliance regulations, including job classifications and pay scales should be directed to the Agency Labor Compliance Program, telephone (916) 875-2700.

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6-11 EXISTING UTILITIES

6-11.06 UTILITY SHUTDOWNS and CONNECTIONS

The Project Inspector shall be notified two (2) working days in advance of any contemplated shutdown of electricity or other utility. The Project Inspector’s approval shall be obtained prior to any shutdown activity.

The Contractor shall schedule and coordinate all connections and other work to be performed by public and private utility organizations necessary for the completion of the project.

7-3 PRECONSTRUCTION CONFERENCE AND PROGRESS MEETINGS

Add the following sentence:

Construction meetings will be held weekly.

7-8.01 ALLOWABLE TIMES AND HOURS OF WORK

The entire section shall be deleted and replaced with the following:

Work may be performed between the hours of 5 a.m. through 8 p.m. 7 days per week, excluding Legal Holidays. No lane closures at the entrance to Kiefer Landfill may occur between 5 a.m. and 6 p.m., 7 days per week, including Legal Holidays. When the Contractor wants to work outside of these hours, a written request must be submitted to the Agency at least 7 calendar days in advance of the intended work. The Agency will evaluate the Contractor’s request to determine if there is benefit to the Agency. The Agency can place conditions on approval of off-period work.

7-9 TEMPORARY FACILITIES

The Contractor shall obtain the prior approval of the Project Inspector for acceptable site access or before using any area or space for Contractor’s storage during construction operations. Materials, equipment, etc., shall not be piled or stored in any location which shall interfere with the conduct of normal functions of the building and/or facilities, and shall not constitute a hazard to persons or property. Any required safety precautions such as signs, danger signals, lanterns, barricades, etc., shall be provided by and installed by the Contractor during construction operations.

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No advertising signs of any kind will be permitted except by written permission of the Engineer.

7-9.01 FIELD OFFICES

Space for a contractor’s field office shall be made available.

7-9.02 CONSTRUCTION SITE UTILITIES

1. WATER: Contractor may connect a temporary line to the existing water service lines at the site for construction water supply. The contractor may not interfere with Kiefer Landfill operations when accessing water. The Contractor shall be responsible to verify all existing conditions associated with a water connection. Water used in construction must comply with Section 16 of the Standard Construction Specifications.

Contractor shall provide potable drinking water for their own use.

2. ELECTRICAL POWER: Contractor shall be responsible for providing electrical power at the work location. Generator(s) may be used onsite, but must be serviced by the Contractor.

Contractor may arrange for and install power service from SMUD service lines, as necessary.

3. TELEPHONE: Contractor shall not have access to phones on site and therefore, shall arrange for their mobile phone if needed for on-site communication.

7-10 PROTECTION OF WORK, PERSONS AND PROPERTY

Provide temporary fencing, lock boxes etc., as required to protect material storage, equipment and building under construction from theft, vandalism and unauthorized entry.

The Contractor shall be responsible for all damage in the area of Work, or any other area in the building or on the site, caused by Contractor, his employees or subcontractors.

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7-15 TIME OF COMPLETION

The time for completion of this contract shall be 70 calendar days commencing as specified in these Special Provisions and Section 7-1 of the Standard Construction Specifications.

8-10 LIQUIDATED DAMAGES

Liquidated damages shall be $5,000.00 for each calendar day(s) delay beyond the established contract completion date that all work, is not completed.

Liquidated damages of $50 per minute may be assessed to Contractors who fail to comply with the prescribed lane closure hours noted above in the Special Provisions, or as otherwise directed by the Agency. These liquidated damages are based on the estimated Agency costs to enforce the Contract restrictions for allowable times and hours of work.

10-4.06 AGENCY REQUIREMENTS

Add the following sentence to this section:

Water Pollution Control Program is required.

10-7 CONTAMINATED OR HAZARDOUS MATERIALS

1. It is the intent of these Contract Documents to exclude from the work all materials containing asbestos.

2. If asbestos materials are encountered during any work, the Contractor shall immediately notify the Project Inspector in writing.

3. Unless specifically specified, the Contractor shall not install any asbestos-containing building materials. Materials such as mastics, joint compounds and flashing tars shall have a manufacturer’s statement or label verifying that the material is asbestos free.

Add the following paragraphs and tables to this section:

10-7.01 CONCRETE CRYSTALLINE SILICA

On September 23, 2017, the deadline for workplaces in the construction industry to comply with OSHA Final Rule to protect Workers from Exposure to Respirable

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Crystalline Silica has been in effect. The new rule impacts the following construction related industries; concrete products, ready-mix concrete, asphalt products manufacturing, and aggregates gravel. Crystalline silica is found in products commonly used in road and infrastructure construction – sand, concrete, stone, mortar, asphalt, cement, grout, brick and tile. In addition, OSHA reports that silica dust can be generated in many construction activities, including cutting, sawing, grinding, crushing, sanding and drilling.

1.1 Means and Methods – Contractor is responsible for protecting their employees from respirable Crystalline Silica over permissible exposure limit (PEL) when disturbed during construction activities. The following is the minimal, but not limited to requirements:

a) Workers disturbing concrete should: wear protective gear (i.e.) masks, face shield, goggles or safety glasses, and when indicated, use a respirator device.

b) When working in the field, continually wet the area to keep materials wet and minimize dust blowing in the air.

c) When cutting or sawing, use wet-cutting tools that distribute water during cutting and/or HEPA equipped vacuum equipment.

d) Optimize ventilation to maximize dust controls and minimize dust migration.

e) Understand the characteristics and composition of the items to be sampled.

If there is a powdery dust emitted during the sampling process, understand that there could be health implications – and then use Safety Data Sheets or other published materials to explore what these implications are and how to prevent them in accordance with the new OSHA rule.

f) The PEL for airborne respirable crystalline silica is 25 micrograms per cubic meter, calculated as an 8-hour Time Weighted Average TWA.

g) The contractor is responsible for performing exposure air monitoring for all employees engaged with concrete disturbance work.

(a) Scope and application. This section applies to all occupational exposures to respirable crystalline silica in construction work, except where employee exposure will remain below 25 micrograms per cubic meter of air (25 μg/m3) as an 8-hour time-weighted average (TWA) under any foreseeable conditions.

(b) Definitions. For the purposes of this section the following definitions apply:

Action Level means a concentration of airborne respirable crystalline silica of 25 μg/m3, calculated as an 8-hour TWA.

Chief means the Chief of the Division of Occupational Safety and Health, or designee.

https://www.globalgilson.com/masonry-saws

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Director means the Director of the National Institute for Occupational Safety and Health (NIOSH), U.S. Department of Health and Human Services, or designee.

Competent Person means an individual who is capable of identifying existing and foreseeable respirable crystalline silica hazards in the workplace and who has authorization to take prompt corrective measures to eliminate or minimize them.

The competent person must have the knowledge and ability necessary to fulfill the responsibilities set forth in subsection (g).

Employee Exposure means the exposure to airborne respirable crystalline silica that would occur if the employee were not using a respirator.

High-efficiency Particulate Air (HEPA) Filter means a filter that is at least 99.97 percent efficient in removing mono-dispersed particles of 0.3 micrometers in diameter.

Objective Data means information, such as air monitoring data from industry-wide surveys or calculations based on the composition of a substance, demonstrating employee exposure to respirable crystalline silica associated with a particular product or material or a specific process, task, or activity. The data must reflect workplace conditions closely resembling or with a higher exposure potential than the processes, types of material, control methods, work practices, and environmental conditions in the employer's current operations.

Physician or Other Licensed Health Care Professional (PLHCP) means an individual whose legally permitted scope of practice (i.e., license, registration, or certification) allows him or her to independently provide or be delegated the responsibility to provide some or all of the particular health care services required by subsection (h).

Respirable Crystalline Silica means quartz, cristobalite, and/or tridymite contained in airborne particles that are determined to be respirable by a sampling device designed to meet the characteristics for respirable-particle-size-selective samplers specified in the International Organization for Standardization (ISO) 7708:1995:

Air Quality -Particle Size Fraction Definitions for Health-Related Sampling.

Specialist means an American Board Certified Specialist in Pulmonary Disease or an American Board Certified Specialist in Occupational Medicine.

This Section means this respirable crystalline silica standard, Section 1532.3.

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(c) Specified exposure control methods. (1) For each employee engaged in a task identified on Table 1, the employer shall fully and properly implement the engineering controls, work practices, and respiratory protection specified for the task on Table 1, unless the employer assesses and limits the exposure of the employee to respirable crystalline silica in accordance with subsection (d).

Table 1 - Specified Exposure Control Methods When Working With Materials Containing Crystalline Silica

Equipment/task Engineering and work practice control methods

Required respiratory protection and minimum assigned protection factor (APF)

≤ 4 hours/shift

> 4 hours/shift

(i) Stationary masonry saws

Use saw equipped with integrated water delivery system that continuously feeds water to the blade. Operate and maintain tool in accordance with manufacturer's instructions to minimize dust emissions.

None None

(ii) Handheld power saws (any blade diameter)

Use saw equipped with integrated water delivery system that continuously feeds water to the blade. Operate and maintain tool in accordance with manufacturer's instructions to minimize dust emissions:

• When used outdoors None APF 10

• When used indoors or in an enclosed area

APF 10 APF 10

(iii) Handheld power saws for cutting fiber-cement board (with blade diameter of 8 inches or less)

For tasks performed outdoors only: Use saw equipped with commercially available dust collection system. Operate and maintain tool in accordance with manufacturer's instructions to minimize dust emissions. Dust collector must provide the air flow recommended by the tool manufacturer, or greater, and have a filter with 99% or greater efficiency.

None None

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(iv) Walk-behind saws

Use saw equipped with integrated water delivery system that continuously feeds water to the blade. Operate and maintain tool in accordance with manufacturer's instructions to minimize dust emissions:

• When used outdoors None None enclosed area

APF 10 APF 10

(v) Drivable saws For tasks performed outdoors only: Use saw equipped with integrated water delivery system that continuously feeds water to the blade. Operate and maintain tool in accordance with manufacturer's instructions to minimize dust emissions.

None None

(vi) Rig-mounted core saws or drills

Use tool equipped with integrated water delivery system that supplies water to cutting surface.

Operate and maintain tool in accordance with manufacturer's instructions to minimize dust emissions.

None None

(vii) Handheld and stand-mounted drills (including impact and rotary hammer drills)

Use drill equipped with commercially available shroud or cowling with dust collection system. Operate and maintain tool in accordance with manufacturer's instructions to minimize dust emissions. Dust collector must provide the air flow recommended by the tool manufacturer, or greater, and have a filter with 99% or greater efficiency and a filter-cleaning mechanism. Use a HEPA-filtered vacuum when cleaning holes.

None None

(viii) Dowel drilling rigs for concrete

For tasks performed outdoors only: Use shroud around drill bit with a dust collection system. Dust collector must have a filter with 99% or greater efficiency and a filter-cleaning mechanism. Use a

APF 10 APF 10

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HEPA-filtered vacuum when cleaning holes.

(ix) Vehicle-mounted drilling rigs for rock and concrete

Use dust collection system with close capture hood or shroud around drill bit with a low-flow water spray to wet the dust at the discharge point from the dust collector.

None None

Operate from within an enclosed cab and use water for dust suppression on drill bit.

None None

(x) Jackhammers and handheld powered chipping tools

Use tool with water delivery system that supplies a continuous stream or spray of water at the point of impact:

• When used outdoors None APF 10.

enclosed area

APF 10 APF 10.

Use tool equipped with commercially available shroud and dust collection system Operate and maintain tool in accordance with manufacturer's instructions to minimize dust emissions. Dust collector must provide the air flow recommended by the tool manufacturer, or greater, and have a filter with 99% or greater efficiency and a filter-cleaning mechanism:

• When used outdoors None APF 10.

enclosed area

APF 10 APF 10.

(xi) Handheld grinders for mortar removal (i.e., tuckpointing)

Use grinder equipped with commercially available shroud and dust collection system. Operate and maintain tool in accordance with manufacturer's instructions to minimize dust emissions. Dust collector must provide 25 cubic feet per minute (cfm) or greater of airflow per inch of wheel diameter and have a filter with 99% or greater efficiency and a cyclonic

APF 10 APF 25.

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(xii) Handheld grinders for uses other than mortar removal

For tasks performed outdoors only: Use grinder equipped with integrated water delivery system that continuously feeds water to the grinding surface Operate and maintain tool in accordance with manufacturer's instructions to minimize dust emissions

None None

Use grinder equipped with commercially available shroud and dust collection system. Operate and maintain tool in accordance with manufacturer's instructions to minimize dust emissions. Dust collector must provide 25 cubic feet per minute (cfm) or greater of airflow per inch of wheel diameter and have a filter with 99% or greater efficiency and a cyclonic pre-separator or filter-cleaning mechanism:

• When used outdoors None None.

enclosed area None APF 10.

(xiii) Walk-behind milling machines and floor grinders

Use machine equipped with integrated water delivery system that continuously feeds water to the cutting surface. Operate and maintain tool in accordance with manufacturer's instructions to minimize dust emissions.

None None.

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Use machine equipped with dust collection system recommended by the manufacturer. Operate and maintain tool in accordance with manufacturer's instructions to minimize dust emissions. Dust collector must provide the air flow recommended by the manu-facturer, or greater, and have a filter with 99% or greater efficiency and a filter-cleaning mechanism. When used indoors or in an enclosed area, use a HEPA-filtered vacuum to remove loose dust in between passes.

None None

(xiv) Small drivable milling machines (less than half-lane)

Use a machine equipped with supplemental water sprays designed to suppress dust. Water must be combined with a surfactant. Operate and maintain machine to minimize dust emissions

None None

(xv) Large drivable milling machines (half-lane and larger)

For cuts of any depth on asphalt only: Use machine equipped with exhaust ventilation on drum enclosure and supplemental water sprays designed to suppress dust.

Operate and maintain machine to minimize dust emissions. For cuts of four inches in depth or less on any substrate:

None None

Use machine equipped with exhaust ventilation on drum enclosure and supplemental water sprays designed to suppress dust.

Operate and maintain machine to minimize dust emissions

None None.

Use a machine equipped with supplemental water spray designed to suppress dust. Water

4688 (Special Provisions).docx Special Provisions Page - 15 must be combined with a surfactant. Operate and maintain machine to minimize dust emissions

(xvi) Crushing machines

Use equipment designed to deliver water spray or mist for dust suppression at crusher and other points where dust is generated (e.g., hoppers, conveyers, sieves/sizing or vibrating components, and discharge points). Operate and maintain machine in accordance with manufacturer's instructions to minimize dust emissions. Use a ventilated booth that provides fresh, climate-controlled air to the operator, or a remote control station

None None

(xvii) Heavy equipment and utility vehicles used to abrade or fracture silica-containing materials (e.g., hoe-ramming, rock ripping) or used during demolition activities involving silica-containing materials

Operate equipment from within an enclosed cab When employees outside of the cab are engaged in the task, apply water and/or dust suppressants as necessary to minimize dust emissions

None None

(xviii) Heavy equipment and utility vehicles for tasks such as grading and excavating but not including:

Demolishing, abrading, or fracturing silica-containing materials.

Apply water and/or dust suppressants as necessary to minimize dust emissions.

None None.

When the equipment operator is the only employee engaged in the task, operate equipment from within an enclosed cab.

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10-9 SANITARY REGULATIONS

The Contractor shall furnish, install, and remove at completion of the job, all sanitary (portable toilet) facilities required during project construction. Facilities shall be provided in sufficient quantities to comply with CAL-OSHA regulations.

All such sanitary facilities shall be made available for use by all workers, subcontractors, consultants, and County personnel associated with the project.

The type and location of the facilities shall be subject to acceptance by the Project Inspector. The Contractor shall maintain sanitary facilities in a proper, safe, operating, and sanitary condition for the duration of the work.

Contractor’s employees shall not use existing facilities at the site.

12-4.02 TRAFFIC CONTROL PLANS (TCP)

A traffic control plan is required for this Project. The Contractor shall not impede customer or operator traffic at the site.

END OF SECTION

Contract 4688 KLF MPA and Pavement Repairs July 2026

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SECTION 011100

SUMMARY OF WORK

PART 1 - GENERAL

1.01 SUMMARY

A. Section Includes:

1. Project site location and access

2. General scope of work of the contract

3. Construction Drawings

4. Manufacturer's Specifications and Instructions

5. Work quality

6. Access to work

1.02 PROJECT LOCATION AND ACCESS

A. Project Location: The Kiefer Landfill (also referred to in the Contract Documents as Project Site or

Site) is located in eastern Sacramento County, California, on the northeast side of Kiefer Boulevard, east of the intersection with Grant Line Road.

B. Access: Access to the work area is via Kiefer Landfill's main entrance and gatehouse located on the northeast side of Kiefer Boulevard. The entrance to the active landfill is subject to heavy truck traffic and traffic control to allow for efficient operation of the refuse disposal operations. The Contractor, his subcontractors, vendors, and suppliers shall not interfere with these operations and shall obey traffic control personnel and signs at all times. Trucks importing materials may use the employee's entrance if approved in advance by the County/Engineer.

C. Landfill disposal and diversion operations will be continuing during construction.

D. If the Contractor will need to close site access roads for short time periods during the project, these closures shall be scheduled after 4:30 PM and before 6:30 AM.

E. The Contractor shall schedule project activities so as not to interfere with the County landfilling operations.

1.03 SCOPE OF WORK

A. General: The work includes but is not limited to paving and repair of portions of the Upper and Lower

Multi Purpose Areas (MPAs), applying microsurfacing to the landfill entrance area, striping removal and application of striping to designated roadways and other paved surfaces throughout the landfill, and other minor repairs. The work is further detailed in the Specifications and Construction Drawings referenced herein.

B. Principal Features:

1. Prepare submittals for review and approval.

2. Mobilization of construction equipment and labor, and constructing temporary facilities for the Contractor, including proper storage of materials

3. Comply with site environmental mitigation measures, including preparing and implementing the Water Pollution Control Plan (WPCP)

C. The above description of the work is for general information only, and in no way limits the responsibility of the Contractor for accomplishing the work in strict accordance with the Construction Drawings and Specifications listed in the table of contents and contained herein, as well as other Specifications referenced herein.

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1.04 EXISTING SITE CONDITIONS

A. The Contractor is advised that there are landfill gas collection system components, landfill liner and leachate collection system components, paved roads, and landfill gas and groundwater monitoring wells on the Project Site. The Contractor shall be responsible for the repair or replacement of any existing facilities and equipment damaged by the Contractor's personnel, equipment, subcontractors, or material suppliers.

B. The Contractor is advised that the construction of this project may entail working adjacent to or in the vicinity of buried wastes and refuse. As buried organic materials decompose anaerobically, they generate landfill gas (LFG). This LFG (or biogas) normally consists of about 45 percent carbon dioxide (CO2), 55 percent methane (CH4), and minor quantities of other gases dependent on the composition of the buried materials. Occasionally, hydrogen sulfide (H2S) or other toxic gases may also be encountered.

C. The landfill is permitted by the State of California and operated as a Class III landfill, which allows for the disposal of "nonhazardous solid waste" as defined in Title 22 of the California Code of Regulations. Notwithstanding the above, the County/Engineer cannot guarantee that toxic or hazardous materials or vapors will not be encountered by the Contractor during the performance of this project.

1.05 CONSTRUCTION SEQUENCE

A. Unless otherwise specified, directed, or modified, the Contractor shall follow the sequence of operations as set forth below in Article 1.05.D. The Contractor may propose changes in the sequence of construction for approval by the County/Engineer. Full compensation for conforming to such requirements will be considered as included in the related Bid Schedule items of work and no additional compensation will be allowed, therefore.

B. Meetings will be conducted between the County/Engineer and Contractor prior to starting each sequence of construction listed below. The intent of these meetings is to review and discuss Specification requirements for that particular sequence of construction. During these meetings, the Contractor shall present a construction plan for each construction sequence as applicable, outlining and detailing the equipment, personnel, schedule, and materials required, including source, transportation, storage, excavation, placement, and compaction of materials proposed.

C. Periodically, as determined by the County/Engineer, the Contractor will be required to attend and participate in construction coordination meetings. The purpose of these meetings is to bring to the attention of the Contractor, the Specification requirements, including quality control, as well as safety considerations of a particular phase of the work prior to initiation of the activities. The Contractor will be notified of the item(s) to be discussed and shall attend the meetings and be prepared to outline the approach to the work, the time-frame involved, both calendar time and shifts, the type and number of personnel and equipment to be used, and any special materials required. The County/Engineer will review with the Contractor the Specifications, quality control requirements, and safety concerns involved.

D. Sequence of Operations:

1. Mobilize

2. Provide project submittals, including Water Pollution Control Plan (WPCP)

3. Procure materials

4. Implement best management practices (BMP’s) in accordance with the WPCP

5. Upper MPA: Clear, grub and strip as necessary

6. Upper and Lower MPA: Cut and remove asphalt as detailed in the Construction Drawings

7. Upper and Lower MPA: Proof roll and compact exposed subgrade per the Construction Drawings

8. Upper and Lower MPA: Construct forms as needed for placement of HMA and PCC per the Construction Drawings

9. Upper and Lower MPA: Place and compact aggregate base layers

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10. Upper MPA: Install reinforcement layer, place base and wear courses of HMA

11. Lower MPA: Place rebar reinforced PCC as detailed in the Construction Drawings

12. Landfill entrance area: Apply microsurface seal to as specified in the Construction Drawings

13. Conduct striping removal and add striping as indicated in Construction Drawings

14. Complete minor repairs to vaults and manhole covers as directed by the Engineer

15. Demobilize

1.06 CONSTRUCTION DRAWINGS

A. Where "as shown," "as detailed," "as noted," or words of like meaning are used in the Contract

Documents, it shall be understood that reference is being made to the Construction Drawings unless otherwise specified.

1.07 MANUFACTURER'S SPECIFICATIONS AND INSTRUCTIONS

A. Any deviation from the Manufacturer's printed recommendations shall be explained and acknowledged as correct for the circumstances, in writing, by the particular Manufacturer. The Contractor will be held responsible for all installations not conforming to the Manufacturer's recommendations. If any item of material or equipment is found to be installed not consistent with the Manufacturer's recommendations, the Contractor shall make all changes necessary to achieve such compliance.

B. Contractor shall secure all field measurements required for proper and accurate fabrication and installation of the work included in this Contract. Exact measurements are the Contractor's responsibility. The Contractor shall also furnish or obtain all templates, patterns, and setting instructions required for the installation of all work. All dimensions shall be verified by the Contractor in the field.

1.08 WORK QUALITY

A. Shop and field work shall be performed by mechanics and workers skilled and experienced in the fabrication and installation of the work feature involved. All work under this Contract shall be performed consistent with the best practices of the various trades involved and consistent with the Construction Drawings, reviewed shop drawings, and these Specifications.

B. All work shall be erected and installed plumb, level, square and true, or true to indicated angle, and in proper alignment and relationship to the work of other trades. All finished work shall be free from defects and damage.

C. The County/Engineer reserves the right to reject any and all materials and work quality which are not considered to be up to the general standards of the various trades involved. Such inferior material or work quality shall be repaired or replaced, as directed, at no additional cost to the County/Engineer.

D. Work will be inspected by the County Construction Management and Inspection Division (CMID) personnel. CMID inspections will include, but not be limited to, labor compliance documentation, compaction testing, soil and aggregate material properties testing, and concrete testing.

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1.09 ACCESS TO WORK

A. The authorized representatives of the following agencies will also have the right of access to inspect the work covered by these Contract Documents during the performance of this Contract:

1. County of Sacramento, Office of Development and Code Services, Construction Inspection and Management Division (CMID).

2. California Regional Water Quality Control Board, Central Valley Region.

3. Sacramento Metropolitan Air Quality Management District.

4. California Department of Resources Recycling and Recovery (CalRecycle).

5. Sacramento County Environmental Health Division.

6. Other local, state, and federal agencies.

B. These inspections will be performed in the presence of the County/Engineer. Reasonable facilities for the proper handling and inspection of the materials and the work shall be furnished by the Contractor.

1.10 SUMMARY

A. Section includes general requirements for measurement and payment as they apply to this Contract.

B. The Contractor will compute all quantities. Where necessary, such computations will be based upon surveys performed by the Contractor. Quantities for final payment will be reviewed and approved by the County.

1.11 RELATED SECTIONS

A. Measurement and Payment - Section 8 of the Standard Construction Specifications.

PART 2 - PRODUCTS (NOT USED)

PART 3 - EXECUTION (NOT USED)

END OF SECTION 011100

Contract 4688– KLF MPA and Pavement Repair July 2026

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SECTION 012000

MEASUREMENT AND PAYMENT

PART 1 - GENERAL

1.01 SUMMARY

1. Section includes general requirements for measurement and payment as they apply to this Contract.

2. The Contractor will compute all quantities. Where necessary, such computations will be based upon surveys performed by the Contractor. Quantities for final payment will be reviewed and approved by the County.

1.02 RELATED SECTIONS

1. Section 8-Measurement and Payment, County of Sacramento, Standard Construction Specifications

(November 1, 2024).

1.03 MEASUREMENT OF QUANTITIES

1. Measurement Standards: All work to be paid for at a Contract price per unit of measurement will be verified by the County consistent with United States Standard Measures.

2. Measurement by Volume:

1. Measurement by volume will be by the cubic dimension listed or indicated in the Bid Schedule.

Method of volume measurement will be as determined or directed by the County.

2. Confirmation of volume may be required by utilizing weighing methods. In this event, such volumes will be converted to weight measurement for payment purposes. Factors for conversion from weight measurement to volume measurement will be determined by the County and shall be agreed by the Contractor before such method of measurement of pay quantities will be accepted.

3. Measurement by Area: Measurement by area will be by the square dimension listed or indicated in the Bid Schedule. Method of square measurement will be as determined or directed by the County.

4. Linear Measurement: Linear measurement will be by the linear dimension listed or indicated in the Bid Schedule. Method of linear measurement will be as determined or directed by the County. Generally, items, components, or work to be measured will be measured at the centerline of the item in place.

5. Lump-Sum Measurement: Lump-sum measurement will be for the entire item, unit of work, structure, or combination thereof, as listed or indicated in the Bid Schedule.

6. Allowance: Payment under an allowance item will only be made upon acceptance and approval of quantities of work, invoices or other appropriate documentation as determined by the Agency.

1.04 FIELD MEASUREMENT FOR PAYMENT

1. The Contractor shall compute all quantities of work performed or of materials and equipment delivered to the site for payment purposes.

2. The County may at any time verify quantities calculated by the Contractor.

1.05 PAYMENT

1. Payment will be full compensation for furnishing all labor, materials, tools, equipment, transportation, permit fees, services, and incidentals, as specified, and for performing all work necessary for completing the erection or installation of the item or work classification, including all adjusting and balancing, testing, cleaning, and all other incidental work.

2. Full compensation for all expenses involved in conforming to the requirements for measuring materials or work shall be considered as included in the unit or lump-sum prices paid for the materials or work being measured, and no additional compensation will be permitted.

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3. Full compensation for an item of work for which no measurement or payment is specified will be considered to be included in the applicable related item of work in the Bid Schedule or incidental of the Contract.

1.06 VALUES OF UNIT PRICES

1. The number of units and quantities contained in the Bid Schedule are approximate only, and final payment will be made for the actual number of units and quantities, which are incorporated in or made necessary by the work included in this Contract.

2. In the event that work and materials or equipment are required to be furnished to a greater or lesser extent than is indicated by the Construction Drawings and Specifications, such work and materials or equipment shall be furnished in greater or lesser quantities.

1.07 CHANGES AND EXTRA WORK

1. Changes and extra work ordered by the County will be measured and paid for consistent with the requirements of Changes and Claims - Section 9 of the Standard Construction Specifications.

1.08 REJECTED MATERIALS

1. Quantities of material wasted or disposed of in a manner not called for under the Contract. Rejected loads of material, including material rejected after it has been placed by reasons of the failure of the Contractor to conform to the provisions of the Contract; material not unloaded from the transporting vehicle; material placed outside the limits indicated on the Drawings or established by the County; or material remaining on hand after completion of the work, will not be paid for, and such quantities shall not be included in the final total quantities. No compensation will be permitted for loading, hauling, and disposing of rejected material. Contractor is responsible for removing rejected and unused materials from site.

1.09 CONTRACT BID ITEMS

1. This section includes the items of work and the basis of payment for these tasks. The Contractor shall bid Items listed below separately and provide a total sum for all work items. The Contractor is responsible for supplying all materials, equipment and labor necessary for the complete construction and installation of all work as described in these specifications and as shown on the Construction Drawings. Payment for each work item will be made on either a unit price (EA), lump sum (LS), linear foot (LF), vertical foot (VF), cubic yard (CY), acre (AC), weight tons(TN) or square foot (SF) basis, and only after that portion of the project has been completed.

1. Bid Item 1 - Mobilization and Demobilization: This task includes any and all temporary facilities and utilities, health and safety plans, and construction equipment required for this project.

Measurement will be based on a lump sum. Payment for this work will be made on a lump sum (LS) basis. Payment shall be made in accordance with Section 8-1 of the Standard Specifications.

2. Bid Item 2 – Water Pollution Control Plan (WPCP) Preparation: Supply all equipment, labor and materials necessary for the preparation of a Water Pollution Control Plan. Measurement of this item will be based on a lump sum. Payment for this item will be on a lump sum (LS) basis.

3. Bid Item 3 – Surveys: Supply all equipment, labor and materials necessary for the layout of work and surveying as required. Measurement of this item will be based on a lump sum. Payment for this item will be on a lump sum (LS) basis.

4. Bid Item 4 – Clearing, Grubbing and Stripping: Supply all materials, equipment and labor for the clearing and grubbing for edge work (approx. 3’ width) along the North and West sides of the Upper MPA area as shown on the Construction Drawings. Measurement of this item will be based on a per acre (AC) basis. Payment for this item will be on a per acre (AC) basis.

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5. Bid Item 5 – Asphalt Cutting and Removal. Supply all materials, equipment and labor for the cutting and removal of asphalt. For both Upper and Lower MPA, the total cut length is approximately 595 linear feet and total asphalt removal area is estimated at 5,460 square feet; however, for this item, cost will be based on a lump sum (LS) estimate. Payment for this item will be made on a lump sum (LS) basis.

6. Bid Item 6 – Pavement Subgrade: Supply all materials, equipment, and labor for proof-rolling/compacting 8,000 square feet (SF) of exposed subgrade surface in the Lower MPA and approximately 810 SF excavated edge-area in the Upper MPA as depicted in the Construction Drawings. Measurement will be based on a square foot (SF) basis. Payment for this item will be made on a square foot (SF) basis.

7. Bid Item 7 –Subgrade Install: Supply all materials, equipment, and labor for proof-rolling/compacting subgrade surface of approximately 810 SF excavated edge-area in the Upper MPA as depicted in the Construction Drawings. Payment for this item will be made on an allowance (AL) basis of itemized costs incurred to the contractor.

8. Bid Item 8 – Aggregate Base: Supply all materials, equipment, and labor for placement and compaction of aggregate base layers in the Upper and as needed in the Lower MPA as shown on the Construction Drawings. The upper MPA will require approximately 23 CYs of AB to fill approximately 810 SF of area to a depth of 9 inches along the North and West edge areas as depicted on the Construction Drawings. The lower MPA will require approximately 17 CY of AB. A estimated total of 100 tons (TN) of Aggregate Base will be required. Measurement will be made on a per ton (TN) basis. Payment for this item will be made on a per ton (TN) basis.

9. Bid Item 9 – 1” HMA Asphalt Concrete Pavement: At the Upper MPA, overlying the GlasGridTF reinforcement layer, using PG 70-10 Asphalt Binder, place a 6” base course of 1” HMA. Measurement will be based on tons (TN) of 1” HMA placed i.e. approximately 860 tons. Payment for this item will be made on a per ton (TN) basis.

10. Bid Item 10 – 3/8” HMA Asphalt Concrete Pavement: At the Upper MPA, overlying the base course, place a 1 1/2 “ wear course of 3/8” HMA with PG 70-10 Asphalt Binder and Liquid Antistrip Additive. Measurement will be based on tons (TN) of 3/8” HMA placed. Payment for this item will be made on a per ton(TN) basis.

11. Bid Item 11 – GlasGridTF: At the Upper MPA, removal area, supply all materials, equipment, and labor for the procurement and installation of the approximately 18,130 square feet (SF) of GlasGridTF reinforcement layer as shown on the Construction Drawings. Measurement will be based on square footage (SF) of GlasGridTF installed. Payment for this item will be made on a square foot (SF) basis.

12. Bid Item 12 – Asphalt Microsurface Seal: Supply all materials, equipment, and labor for the application of 15,000 square feet (SF) of Asphalt Microsurface Seal at the entrance to Kiefer Landfill as depicted on the Construction Drawings. The Asphalt Microsurface Seal shall be applied at a rate of

0.03 inches of this product per SF. Measurement of this item will be based on total square feet (SF) applied. Payment for this item will be on a square foot (SF) basis.

13. Bid Item 13 – Striping Removal: Supply all materials, equipment, and labor for striping removal at all locations indicated in the Construction Drawings, in all, approximately 16,000 linear feet.

Payment for this item will be made on a lump sum (LS) basis.

14. Bid Item 14 – Pavement Striping (Thermoplastic): Supply all materials, equipment, and labor for the application of thermoplastic striping and lettering to paved areas as indicated in the Construction Drawings. Payment for this item will be made on a lump sum (LS) basis.

15. Bid Item 15 – Pavement Striping (Paint): Supply all materials, equipment, and labor for the application of striping and lettering to paved areas as indicated in the Construction Drawings.

Payment for this item will be made on a lump sum (LS) basis.

16. Bid Item 16 – Adjust Vault and Manhole Covers: Supply all materials, equipment, and labor to repair and adjust to grade 2 manholes and 3 utility boxes as indicated in the Construction Drawings.

Payment will be based on a unit price (EA) for 5 locations.

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17. Bid Item 17 – Flexible Pavement Repairs (minor): Supply all materials, equipment, and labor for minor pavement repair at 5 locations, 2 manholes and 3 utility boxes, as indicated in the Construction Drawings. Payment for this item will be made on an allowance (AL) basis of itemized costs incurred to the contractor.

18. Bid Item 18 – Concrete Pavement: At the…