CFD_Sidewalk_Scope.pdf

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2. Project Details

2.1. Important Instructions for Electronic Submittal

The City of West Sacramento is only accepting electronic bid submissions and only through its online bidding platform, OpenGov. Bidders shall create a FREE account by signing up at OpenGov.com. Once you have completed account registration, browse back to this page, click on "Submit Response", and follow the instructions to submit the electronic bid.

The bid specifications, including instructions on how to bid, standards for a responsive bid, and project specifications, are attached hereto in Attachments and incorporated herein by reference as if set forth in full

2.2. Project Overview

The City of West Sacramento is soliciting bids from qualified contractors to remove and replace damaged 4-inch

PCC sidewalk panels within various Community Facilities Districts (CFDs). Work shall be performed at locations identified by the City and paid on a per-square-foot unit price basis.

Work includes sawcutting, removal, subgrade preparation, aggregate base, and PCC sidewalk replacement per

Standard Detail 202. Root barrier installation per Standard Detail 701 and driveway crossing reconstruction per

Standard Detail 205 apply where applicable. All work shall conform to City of West Sacramento Standard

Specifications and Standard Details.

This project includes 137 locations. All locations and corresponding square footages are listed in the Cost Table.

Site photographs for each location are provided in the Attachments section. Contractors are responsible for independently verifying all field conditions, dimensions, and site constraints prior to bidding. Contractors shall not solely rely on the provided photographs — field verification is required. Discrepancies between photographs and actual field conditions shall be reported to the City prior to bid submittal and shall not serve as basis for additional compensation after award.

Full scope, technical requirements, and performance standards are provided in the Technical Specifications attached to the Bid Documents.

2.3. SCOPE OF WORK

Summary

The City of West Sacramento is soliciting bids from qualified contractors to remove and replace damaged 4-inch PCC sidewalk panels within various Community Facilities Districts (CFDs). Work shall be performed at locations identified by the City and paid on a per SF basis.

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All work shall comply with the City of West Sacramento Community Development Engineering Division

Standard Specifications, including Standard Details 202, 205, and 701.

Site photographs for each location are provided at the following link: CFD Locations Photos .

Photographs are provided for reference only and do not relieve the Contractor of the field verification requirements stated herein. Bidders are responsible for confirming access prior to bid submittal;

inability to access the photographs shall not be grounds for additional compensation or a claim after award. In the event of any discrepancy between the site photographs and actual field conditions, actual field conditions shall govern and no additional compensation will be provided for differences.

Sidewalk Removal and Replacement — Standard Detail 202

The Contractor shall furnish all labor, materials, tools, equipment, supervision, and incidentals necessary to complete sidewalk removal and replacement at the identified locations. Work shall include, but not be limited to, the following:

Sawcut at existing transverse joints to ensure clean removal. Removal shall extend to the nearest deep joint or score mark.

Remove and legally dispose of existing PCC sidewalk panels.

Excavate to required depth per Standard Detail 202.

Compact finished subgrade to a minimum of 95% relative compaction to a depth of six (6) inches prior to placement of aggregate base.

Perform root pruning where roots interfere with sidewalk alignment, as required.

Install root barrier per Standard Detail 701 where roots are encountered or as directed by the City

Project Manager.

Furnish and compact 4 inches of Class II aggregate base beneath sidewalk and 6 inches beneath curb and gutter, where applicable. Minimum compaction shall be 95 percent relative compaction.

Install 4-inch thick, 4000 PSI Portland Cement Concrete sidewalk per Standard Detail 202. Calcium

Chloride shall not be added to concrete. Concrete shall be delivered in transit mixers with agitating drums. Concrete mix design shall be submitted for approval.

Concrete mix designs shall be submitted at least 10 working days prior to any concrete placement.

Each mix design shall include manufacturer data sheets, admixture data, cementitious material quantities, water-cement ratio, allowable slump, aggregate gradation, and 7-day and 28-day strength test data in accordance with Section 90 of the State Standard Specifications. No concrete shall be placed until the mix design is reviewed and approved by the City. Approval of the mix design does not relieve the Contractor of responsibility for producing concrete meeting all specified requirements.

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Install 12-inch long #4 rebar dowels at 18 inches on center at cold joints where abutting existing concrete. Where pouring against existing concrete, dowels shall be drilled and epoxied into existing concrete.

Tool joints shall be a minimum of 1.5 inches deep and finished with a 3/8-inch joint tool. Provide tool joints and score marks per Standard Detail 202. Expansion joint material shall not be used.

Provide light transverse broom finish. Heavy broom finish will not be permitted.

Cure concrete using pigmented curing compound in accordance with State Standard Specifications

Section 90.

Concrete quality control testing shall include slump, temperature, and air content (if applicable) testing for each load, and one set of strength cylinders per pour day or per 50 cubic yards, whichever is greater. All testing shall be performed in accordance with Section 90 of the State Standard

Specifications and witnessed by the City or its testing agent.

No concrete shall be placed or finished during rain or freezing conditions.

The Contractor shall provide protection for fresh concrete during adverse weather, including tarping or other measures necessary to ensure proper curing.

Reconstruct sidewalk to match existing alignment, including curved sections where applicable.

Adjust and reconstruct sidewalks to meet ADA requirements, including cross-slope and running slope limits (maximum 1.75% cross slope and 4.75% path of travel).

Backfill behind sidewalk edges at 4:1 slope to grade.

Restore adjacent landscaping, landscape edges, and park strip areas to pre-construction condition.

Restore landscaping to existing conditions and repair irrigation systems damaged during construction.

Perform final cleanup and remove all debris from the site.

All work shall comply with the most current ADA, PROWAG, and California Building Code accessibility requirements applicable to public sidewalks.

Root Barrier Installation (Where Applicable — Standard Detail 701)

The Contractor shall:

Furnish and install root barrier 24 inches deep and 14 feet in length in accordance with Standard Detail

701.

Install root barrier where root pruning is performed, where root intrusion is encountered within the limits of removal, or where shown in the bid documents.

Install root barrier along sidewalk edges adjacent to tree wells or planter areas where applicable.

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Root barrier installation shall be considered incidental to the sidewalk replacement bid item unless a separate bid item is provided in the Bid Schedule.

Driveway Crossing Reconstruction (Where Applicable — Standard Detail 205)

The Contractor shall reconstruct sidewalk segments that pass through existing driveway areas in accordance with Standard Detail 205.

Work shall include, but not be limited to:

Sawcut and remove existing concrete within the limits of removal necessary to reconstruct the sidewalk crossing.

Excavate, prepare subgrade, and place aggregate base per Standard Detail 205.

Install Portland Cement Concrete at driveway crossings per Standard Detail 205, including required thickness and reinforcement where applicable.

Reconstruction shall be limited to the sidewalk crossing width only and shall not include full driveway replacement.

Install dowels into existing City concrete improvements only. Doweling into private driveway sections shall not be permitted.

Match existing grades, slopes, and transitions, and comply with applicable slope requirements.

Reconstruct adjacent asphalt where impacted and perform final cleanup.

2.4. SERVICE AND PERFORMANCE REQUIREMENTS

2.4. SERVICE AND PERFORMANCE REQUIREMENTS

General Requirements

The Contractor shall:

Furnish all supervision, labor, materials, equipment, and incidentals necessary to complete the Work.

Coordinate all work with the City’s Project Manager or his designated representative.

Protect adjacent property, utilities, and improvements.

Maintain site safety at all times.

Complete the Work within the contract time.

Quantities in the Cost Table are approximate. Contractor shall verify field conditions. No separate payment will be made for incidental work necessary to complete the installation. Incidental work includes, but is not limited to, sawcutting, demolition, disposal, excavation, compaction, grading, forming, striping, site cleanup, and protection of work unless otherwise specifically listed as a separate bid item.

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Site Protection and Responsibility

The Contractor shall be solely responsible for site security and protection of all work in place until final acceptance by the City. Contractor shall maintain access to residences as feasible and coordinate any temporary closures.

This includes, but is not limited to:

Protection of concrete forms

Protection of freshly placed concrete

Protection against vandalism, theft, weather damage, or tampering

Barricading and securing open excavations

Maintaining safe pedestrian access

Replacement of damaged or disturbed work

Any damage, loss, or disturbance of Work prior to acceptance, including but not limited to vandalism, theft, weather damage, or unauthorized access, shall be repaired or replaced by the Contractor at no additional cost to the City. All excavations shall comply with applicable Cal/OSHA Title 8 excavation and trench safety requirements.

Traffic and Pedestrian Control

The Contractor shall provide all traffic and pedestrian control necessary to safely perform the Work in accordance with the California MUTCD, Caltrans standards, and City requirements. Contractor shall maintain access to residences as feasible and coordinate any temporary closures.

A. Pedestrian Control (Where Applicable)

Where sidewalk segments are removed or under construction, the Contractor shall:

o Close affected sidewalk segments with approved barricades o Post clear “Sidewalk Closed” signage o Provide safe and clearly marked pedestrian detours o Maintain ADA-compliant temporary pedestrian access routes where required by applicable regulations and site conditions.

o Protect open excavations and freshly placed concrete from public access

B. Street Traffic Control (Where Applicable)

Where work activities require lane encroachment, staging within the roadway, concrete delivery access, or any impact to vehicular travel, the Contractor shall:

6 | P a g e o Implement approved traffic control measures.

o Submit traffic control plans (TCPs) for City approval when required.

o Provide cones, signage, flaggers, and delineation as required o Maintain safe vehicular travel lanes unless otherwise approved o Minimize disruption to local traffic o Obtain any required encroachment permits o Restore roadway conditions at the end of each workday

All traffic control shall be included in the unit prices bid and no separate payment will be made.

Permits and Inspections (If Applicable per Location)

The Contractor shall obtain all permits and coordinate inspections required for performance of the Work, where applicable to the specific location. Work shall not proceed without required inspection approvals.

Tree Work Coordination

Tree removal, if required, will be completed by others prior to sidewalk replacement. Root grinding within planter areas will be completed by others, where applicable. The City Arborist will determine appropriate tree treatment prior to construction.

Documentation and Communication

A. General Communication Requirements

The Contractor shall:

o Maintain regular communication with the City Project Manager or designated representative.

o Provide schedule updates upon request o Notify the City immediately of any conditions that may impact scope, safety, or schedule o Contact Underground Service Alert (811) and obtain utility location for each project location prior to performing any excavation or saw cutting activities.

o Provide proof of 811 notification (ticket number and confirmation) and forward confirmation of completed utility marking to the City Project Manager prior to starting any excavation or saw cutting activities

B. Construction Activity Notifications

The Contractor shall provide a minimum 48-hour advance notification to the City Project Manager and Capital

Projects Inspection for each individual location prior to:

7 | P a g e o Start of excavation o Start of forming o Completion of forming o Concrete placement o Completion of work at each location

No concrete shall be placed without prior notification to the City. Capital Projects Inspection Line: (916) 617-

Professional Conduct and Neighborhood Protection

Because work will occur within residential neighborhoods and in close proximity to occupied homes, the

Contractor shall conduct all operations in a professional, respectful, and community-conscious manner.

The Contractor shall:

Ensure all employees, subcontractors, and suppliers behave in a professional and courteous manner at all times.

Prohibit loud music, offensive language, shouting, or disruptive behavior at the job site

Maintain orderly and clean work areas at all times

Remove debris daily and not leave loose materials unsecured overnight

Avoid blocking driveways unless coordinated in advance with affected residents

Maintain safe pedestrian access at all times

Protect children, pets, and residents from construction hazards

Secure open excavations and freshly poured concrete from public access

Prohibit smoking in residential front yard areas unless within designated areas inside work vehicles

Ensure no harassment, inappropriate conduct, or confrontational behavior toward residents

The Contractor shall be responsible for the conduct of all personnel and subcontractors. The City reserves the right to require removal of any worker from the project who fails to comply with these standards.

Irrigation and Landscape Restoration

The Contractor shall repair and restore all areas disturbed by the Work.

This includes, but is not limited to:

Repairing irrigation systems damaged during construction.

Replacing damaged irrigation components, including lines, fittings, valves, and sprinkler heads.

Backfilling sidewalk edges to match existing grade.

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Replacing and restoring turf areas with sod where turf is disturbed.

Restoring mulch within planter areas.

Regrading disturbed soil to match adjacent conditions.

All irrigation repair and landscape restoration shall be considered incidental to the sidewalk replacement unit price unless otherwise noted.

Property Protection and Access Restrictions

The Contractor shall take all necessary precautions to protect adjacent private property during the performance of the Work.

The Contractor shall:

Not walk, stage, or place materials on resident lawns.

Not drive or park vehicles on lawns, landscaped areas, or private driveways without prior written approval from the City.

Not block or restrict driveway access without prior coordination with the affected resident and the City.

Protect adjacent landscaping, irrigation systems, fencing, hardscape, and private improvements from damage.

Prevent concrete washout on driveways, streets, or landscaped areas.

Restore any disturbed private property to equal or better condition at no additional cost to the City.

Any damage to adjacent private property resulting from construction activities shall be repaired or replaced by the Contractor at their sole expense and to the satisfaction of the City.

Responsibility for Damage to Private Property and Vehicles

The Contractor shall be fully responsible for any damage to private property, vehicles, or personal property resulting from construction activities associated with the Work.

This includes, but is not limited to:

Damage to parked vehicles.

Concrete splatter or staining.

Debris impact.

Equipment contact.

Tire marks or surface damage.

Damage to mailboxes, fences, landscaping, or other improvements.

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The Contractor shall promptly repair or replace damaged property at their sole expense and to the satisfaction of the property owner and the City.

The City shall not be responsible for claims arising from damage caused by the Contractor’s operations.

Concrete Placement Protection

The Contractor shall:

Prevent concrete splatter, staining, or debris from impacting adjacent private property, vehicles, landscaping, or improvements.

Install protective measures (e.g., plastic sheeting or plywood) where work is performed near driveways, parked vehicles, or other private property.

Protect freshly placed concrete from adverse weather conditions and ensure proper curing in accordance with industry standards.

Repair or replace any damage resulting from inadequate protection at the Contractor’s sole expense.

Communication and Field Coordination

Due to the number of work locations, the Contractor shall coordinate closely with the City Project Manager.

The Contractor shall:

Submit a weekly look-ahead schedule identifying planned work locations for the upcoming week.

Provide at least 48-hour advance notice prior to beginning work at any new location.

Not begin work at a location without confirmation from the City.

Immediately notify the City of unforeseen conditions, including excessive root conflict, utility conflicts, or additional damaged panels.

Not expand limits of removal without prior written authorization from the City.

Provide daily updates when actively working in the field.

Coordinate driveway closures with residents in advance.

All direction regarding scope adjustments shall come from the City Project Manager or Inspector. Verbal direction from residents shall not constitute authorization to modify the scope.

The City reserves the right to reprioritize, add, remove, or defer locations based on funding availability, inspection findings, operational needs, or emergency conditions.

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Communication Documentation Requirements

All project-related communication shall occur through the City Project Manager or designated Inspector.

The Contractor shall:

Communicate project matters via email and phone, as appropriate.

Follow up all verbal discussions with written email confirmation.

Confirm in writing any direction affecting scope, quantities, schedule, or cost.

Maintain records of correspondence related to the Work.

Verbal instructions that are not documented in writing shall not constitute authorization to modify the scope of the Work.

Formwork and Concrete Placement Timeline

Concrete shall be placed in a timely manner following demolition and form installation.

The Contractor shall:

Sequence work to minimize the duration between demolition, form installation, and concrete placement.

Pour concrete within five (5) calendar days of form installation, unless otherwise approved by the City.

Not leave open excavations or formed sidewalk sections unattended or unsecured.

Maintain safe pedestrian controls and site protection until concrete placement is completed.

Delays beyond five (5) calendar days shall require written approval from the City.

Field Verification and Site Inspection Conduct

The Contractor shall verify all field conditions, dimensions, grades, utility locations, and site constraints prior to bidding and construction. Failure to identify and report discrepancies shall not relieve the Contractor of responsibility to complete the Work in accordance with the Contract Documents without additional compensation.

Field investigations and inspections shall be conducted in a professional and non-disruptive manner. The

Contractor shall not enter private property or disturb residents while inspecting project locations.

Utility Location (811 / USA North). Prior to any excavation or sawcutting at each location, the Contractor shall obtain a valid USA North 811 ticket, confirm positive response from all notified utility operators, and forward the ticket number and positive-response confirmation to the City Project Manager. No subsurface work shall begin at any location until both are confirmed in writing. The Contractor shall maintain a per-location 811

11 | P a g e log in the City-provided format and submit it with each weekly look-ahead. Tickets shall be renewed before expiration (28 calendar days). Should a ticket lapse while work is in progress, the Contractor shall stop work at that location, obtain a new ticket, and observe the full two-working-day waiting period before resuming, at no additional cost or time to the City. Damage to underground facilities resulting from failure to obtain, maintain, or renew a valid ticket shall be repaired at the Contractor's sole expense.

Measurement Reference

For each location included in the bid documents, the tape measure shown in the site photographs identifies the length and location of sidewalk removal and replacement.

The square footage for each location is listed in the bid quantity spreadsheet and shall be used for pricing. In the event of a discrepancy, the square footage shown in the bid schedule shall govern unless otherwise directed in writing by the City.

The Contractor shall not extend removal limits without prior written authorization from the City. Unauthorized removal beyond the approved limits shall be restored or replaced at the Contractor’s expense and will not be eligible for payment.

Stormwater / Water Pollution Control - SWPPP/WPCP

Where it is required, the Contractor shall comply with applicable stormwater pollution prevention requirements and shall prevent sediment, sawcut slurry, concrete washout, debris, or other pollutants from entering the storm drain system.

The Contractor shall provide and maintain appropriate BMPs, including inlet protection, slurry control, concrete washout control, spill prevention, street sweeping, and daily cleanup.

Phased Work Authorization

The Work is divided into phases by Community Facilities District (CFD). Each CFD, or group of CFDs, shall be authorized only by separate written Notice to Proceed (NTP) issued by the City. The Contractor shall not perform

Work, order materials, mobilize, or incur costs for any CFD unless that CFD has been specifically authorized in writing by the City.

The initial NTP may be limited to a single CFD at the City’s discretion. Issuance of any subsequent NTP is at the sole discretion of the City and is not guaranteed. The City does not guarantee any minimum quantity, number of locations, or dollar value of Work beyond the CFD(s) authorized by NTP.

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No claim for anticipated profit, overhead, lost opportunity, or other compensation shall arise from CFDs or locations not authorized by NTP.

Performance Evaluation and City’s Right to Discontinue

Continuation to additional CFDs is contingent upon satisfactory performance and is not a matter of right. Prior to authorizing additional CFD work, the City may evaluate the Contractor’s performance, including but not limited to quality of workmanship; conformance with Standard Details 202, 205, and 701; ADA compliance; cross-slope, finish, and jointing; production rate and adherence to the approved schedule; rework or rejection rate; timely correction of deficiencies; public safety; traffic and pedestrian control; site cleanup; communication and responsiveness to City direction; and closure of punch-list items.

If the City determines, in its reasonable discretion, that the Contractor’s performance does not meet the requirements of the Contract Documents, the City may withhold authorization for additional CFD work, reduce the remaining scope, or terminate the Contract in accordance with the applicable termination provisions. Payment shall be limited to Work actually performed, accepted, and approved by the City.

Termination for Convenience

The City may terminate this Contract, in whole or in part, at any time and for any reason, upon seven (7) calendar days’ written notice to the Contractor.

Upon termination for convenience, the Contractor shall be paid for Work satisfactorily completed and accepted through the effective date of termination at the applicable unit prices bid, plus documented, actual, and reasonable demobilization costs approved by the City. The Contractor shall not be entitled to anticipated profit, overhead, lost opportunity, or any other compensation for Work not performed.

This right is in addition to, and does not limit, the City’s right to terminate for cause or exercise any other remedy available under the Contract Documents.