40997_SATS_Tank1_Digestate_Removal_SPECIAL_PROVISIONS.pdf

COUNTY OF SACRAMENTO

COMMUNITY SERVICES

Department of Waste Management and Recycling

CONTRACT SPECIFICATIONS

FOR

SOUTH AREA TRANSFER STATION

TANK LIQUIDS REMOVAL

Project Manager: Cristina Lupercio

Sacramento County Department of Waste Management and Recycling

(916) 876-8883 lupercioc@saccounty.gov

Bidding Documents, Contract Requirements, and Technical Specifications

CONTRACT NO. 40997

March 2025

NOTE: The County of Sacramento Standard Construction Specifications dated September 2001, revised March 2004, revised January 2008, revised January 1, 2016, revised January 1, 2017, revised February 1, 2017, and revised November 1, 2024 are hereby made a part of these Special Provisions. The Standard Construction Specifications may be downloaded at http://www.saccountyspecs.net.

KEITH GOODRICH, DIRECTOR

DEPARTMENT OF WASTE MANAGEMENT AND RECYCLING

SOUTH AREA TRANSFER STATION

TANK LIQUIDS REMOVAL

CONTRACT NO. 40997

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

4-1 INTENT OF CONTRACT DOCUMENTS

4-1.02 WORK AND LIMITATIONS

4-2 PLANS AND SPECIFICATIONS FURNISHED

4-6 DOCUMENT PRECEDENCE

5-8.01 SUBMITTALS – GENERAL

5-9.01 AGENCY-FURNISHED SURVEYS

6-1.02 PREVAILING WAGE

6-11 EXISTING UTILITIES

6-11.06 UTILITY SHUTDOWNS and CONNECTIONS

7-1.01 PROJECT PHASING

7-3 PRECONSTRUCTION CONFERENCE AND PROGRESS MEETINGS

7-8.01 ALLOWABLE TIMES AND HOURS OF WORK

7-9 TEMPORARY FACILITIES

7-9.01 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

10-9 SANITARY REGULATIONS

11-2 PRECONSTRUCTION PHOTOGRAPHS

12-4.02 TRAFFIC CONTROL PLANS (TCP)

TECHNICAL SPECIFICATIONS

01025 MEASUREMENT AND PAYMENT

02100 MOBILIZATION

02120 TEMPORARY FACILITIES CONTROLS

DIVISION 1 - GENERAL REQUIREMENTS

All portions of the County of Sacramento Standard Construction Specifications dated November 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 responsive, responsible Bidder and as noted on the proposal bid form.

Upon award of Contract, Contractor must complete certification with the Sacramento Area Sewer District (SacSewer) (disposal recipient agency) to become a SacSewer-permitted liquid waste hauler prior to discharging at a SacSewer facility.

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://secure.procurenow.com.

4-6 DOCUMENT PRECEDENCE

Add the following paragraph to this section:

3. Project Drawings

a) Detail notes shall take precedence over General Notes

b) Larger scale drawings/details shall take precedence over small scale drawings

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.

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.

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.

7-1.01 PROJECT PHASING

As a minimum, the Contractor plan will need to not interfere with active operations by providing the following:

Compressed Natural Gas Facility - Vehicle access to, and within, the Compressed

Natural Gas (CNG) Fueling Facility must be maintained from 6 a.m. to 5 p.m.

Monday through Friday. Temporary alternate arrangements that accomplish the access requirements may be made with approval by the Owner.

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

Work may be performed between the hours of 6 a.m. through 5 p.m., Monday through Friday, excluding Legal Holidays. Contractor shall verify hours of operation with SacSewer for accepting discharge and confirm truck size limitations. When the Contractor wants to work outside of these hours, a written request must be submitted to the Agency at least 3 working days in advance of the intended work. The Agency will evaluate the Contract’s request to determine if there is benefit to the Agency. The Agency can place conditions on approval of off-period work.

7-8.02 OFF-PERIOD WORK

Contractor may select 5 occasions where they will perform work between 5 p.m.

and 6 a.m. When the Contractor wants to work at night, the owner must be notified at least 3 working days in advance of the intended 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.

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

7-9.01 CONSTRUCTION SITE UTILITIES

1. WATER: Contractor may connect a temporary line to the existing water service lines onsite for construction water supply. The Contractor shall be responsible to verify all existing conditions associated with a water connection. The Contractor shall be responsible to obtain a water meter from the City of Sacramento to use the site’s fire hydrants. Connections to existing water service lines shall be coordinated with and accepted by the Project Inspector. 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.

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.

7-15 TIME OF COMPLETION

Add the following paragraph to this section:

The time for completion of this contract shall be 30 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 $1,000.00 for each calendar day(s) delay beyond the established contract completion date that all work is not completed.

10-4.06 AGENCY REQUIREMENTS

Add the following sentence to this section:

A Water Pollution Control Program is required. The plan must include spill prevention and control methods.

11-2 PRECONSTRUCTION PHOTOGRAPHS

Preconstruction photographs shall be required and shall conform to Section 11-2 of the Standard Construction Specifications.

Full compensation for preconstruction photographs is included in the prices paid for the various items of work and no separate payment will be made.

12-4.02 TRAFFIC CONTROL PLANS (TCP)

Delete all references to “public right-of-way” and replace with “public right-of-way and/or County owned facilities”.

END OF SECTION

Section 1025 – Measurement And Payment

SECTION 1025

MEASUREMENT AND PAYMENT

PART 1 GENERAL

SECTION INCLUDES

A. Measurement and payment methods for contract bid items.

MEASUREMENT OF QUANTITIES

A. Based on actual units installed or neat line dimensions of work completed.

CALCULATION OF QUANTITIES

A. Progress Payment Quantities:

1. Contractor will compute all quantities of Work performed, or of materials and equipment delivered to the site for progress payment purposes.

2. County/Engineer may at any time verify quantities calculated by Contractor.

B. Final Payment Quantities: Contractor will compute all quantities of Work performed, or of materials and equipment delivered and installed for final payment purposes. County/Engineer may perform an independent computation of all quantities of work performed, and of materials and equipment installed.

PAYMENT

A. In accordance with lump sum, unit prices, or force account rates shown on the Contractor’s final negotiated Bid Schedule.

B. Includes all costs for overhead and profit and for supplying materials, labor, equipment, tools and incidentals, necessary to complete the Work in accordance with the Specifications, Drawings, and Contract Documents.

VALUES OF UNIT PRICES

A. 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 incorporated in the Work or made necessary to complete the project.

B. 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 Contract Documents, such work and materials or equipment shall be furnished in greater or lesser quantities.

CHANGES AND EXTRA WORK

A. Changes and extra work will be measured and paid for in accordance with the requirements of the Contract Documents.

REJECTED MATERIALS

A. Quantities of material wasted or disposed in a manner not called for in the Specifications; rejected loads of material, including material rejected after it has been placed by reasons of the failure of Contractor to conform to the provisions of the Specifications; material not unloaded from the transporting vehicle;

material placed outside the limits indicated by the Construction Drawings or established by County; or material remaining on hand after completion of the Work, will not be paid for, and such quantities will not be included in the final total quantities. No compensation will be made for loading, hauling, and disposing of rejected material.

DESCRIPTION OF BID ITEMS

A. The Bid Schedule bid items are presented to indicate major categories of the work for purposes of comparative bid analysis, payment, breakdown for monthly progress payments, and final payment to the Contractor under the Contract. The Bid Schedule is not intended to be exclusive descriptions of work categories and the Contractor shall determine and include in its pricing all materials, labor, equipment, and operations necessary to complete each bid item of work, as shown and specified, and all costs of compliance with all applicable regulations of public agencies having jurisdiction, including, but not limited to, the health and safety requirements of the California Division of Industrial safety and the Occupational Safety and Health Administration of the U.S. Department of labor (OSHA).

PAY ITEMS

SOUTH AREA TRANSFER STATION TANK LIQUID CONTENT REMOVAL

1. Mobilization/Demobilization (Bid Item 1)

a. Measurement by lump sum (LS), based on mobilizing equipment and labor to perform Work and demobilizing from and cleaning the Site after all Work and testing has been performed and accepted by the County/Engineer. This task includes any and all temporary facilities and utilities, health and safety plans, water pollution control plans, and construction equipment required for this project. Includes all materials and work necessary to perform the work described in the Construction Drawings and Specifications.

b. Payment shall be lump sum (LS). Payment shall be in accordance with Section 8-1.03.B of the Standard Specifications.

2. Tank 1 – Liquid Material Removal, Hauling & Disposal (Bid Item 2)

a. Measurement shall be by gallon (GAL). For calculation purposes, one (1) ton of digestate as measured at the facility scales is equivalent to 240 gallons of digestate. The Contractor’s per gallon compensation shall be paid based on the South Area Transfer Station (SATS) facility scales. The contractor shall weigh their hauling vehicle on the SATS facility scale prior to and after filling the truck with liquid digestate for every haul trip. Scale weight tickets with a time stamp are required to be submitted to the engineer’s representative by 9am the day following performance of hauling and disposal work. The Contractor shall complete and provide a Sacramento Area Sewer District (SacSewer) Liquid Waste Discharge Manifest to SacSewer at discharge. A Liquid Waste Discharge Manifest shall be completed every time liquid is disposed at a SacSewer facility.

b. The contract per gallon price for tank 1 liquid removal, hauling and disposal shall include full compensation for furnishing all labor, materials, equipment, tools, and accessories for doing all the work as shown on the Plans, conforming with manufacturer’s recommendations and included in the specifications.

c. Digestate shall be hauled from the South Area Transfer Station (SATS) to one of two locations for disposal: (1) the SacSewer EchoWater Resource Recovery Facility (ERRF), located at 8521 Laguna Station Road, Elk Grove, CA 95758 or (2) SacSewer Roseville/Watt Liquid Waste Disposal Site located at 4949 Roseville Road, North Highlands, CA 95660. The County will pay the SacSewer fee for each gallon of digestate disposed of by Contractors at the ERRF or Roseville/Watt Liquid Waste Disposal Site.

3. Odor Control Plan (Bid Item 3)

a. Measurement by lump sum (LS), for an Odor Control Plan to control the release of odors at the South Area Transfer Station (SATS) during the project.

The County Environmental Management Department (EMD) may be on site to evaluate the effectiveness of the measures implemented to prevent nuisance conditions.

b. Payment shall be lump sum (LS).

4. Odor Control Response Implementation (Bid Item 4)

a. Measurement by lump sum (LS), at substantial completion of the project, for an Odor Control response and implementation.

b. Payment shall be lump sum (LS). Includes full compensation for furnishing all labor, materials, equipment, tools, and accessories for application of odor control measures, conforming with applicable manufacturer’s recommendations and specifications.

PART 2 PRODUCTS

Not Used.

PART 3 EXECUTION

Not Used.

END OF SECTION

Section 2100 - Mobilization

SECTION 2100

MOBILIZATION

PART 1 - GENERAL

1.01 DESCRIPTION

A. Mobilization shall consist of the following work:

1. Bonds and Insurance.

2. Mobilization of materials and equipment to the site.

3. Providing construction fencing, temporary sheds, temporary utilities, temporary facilities, and all preparatory work prior to the commencement of productive work at the site required under this contract and as outlined in Section 2120, “Temporary Facilities and Controls.”

4. Preparation of all necessary permits, submittals, notifications, record drawings, and other documentations.

5. Coordination and any other items required to complete the construction not otherwise measured and paid for.

6. Demobilization of all materials and equipment from the site.

7. Final site cleaning.

PART 2 – PRODUCTS - NOT USED

PART 3 – EXECUTION

3.01 MOBILIZATION AND DEMOBILIZATION

A. Mobilization shall also include finish work and operations (demobilization) including, but not limited to, removal of personnel, equipment, supplies, and incidentals from the project site and clean-up of the project site. The Contractor shall not demobilize equipment from the site until the project is accepted as complete, unless directed otherwise in writing by the Engineer.

B. Mobilization shall also include preparation of all necessary permits, submittals, notifications, and other documentation necessary for the performance of the work.

3.02 PROTECTION OF EXISTING PROPERTY AND CONDITIONS

A. Protection of Work and Property:

1. Confine the storage of materials and workmen's operations to the limits established on the Contract Documents and by law, permits, and/or directions of the Engineer. Do not unreasonably encumber the premises with materials.

2. Contractor is responsible for the protection and preservation of all materials and equipment located on the construction site.

Section 2100 - Mobilization

3. Provide watchman services as may be deemed necessary to safeguard properly all materials, tools, appliances, and work. The Agency will not assume any responsibility for the loss of or damage to materials, tools, appliances, or work arising from acts of theft, vandalism, malicious mischief, or other causes which may occur during or after working hours.

4. Contractor shall promptly comply with all reasonable requests of the Engineer or Inspector to protect the site.

5. Repair or replace all work performed or materials, supplies, or equipment furnished which may be damaged or lost by any cause, to the satisfaction of the Engineer or Inspector.

B. Contractor shall be responsible for all damage to all roads, existing vegetation, existing buildings, utilities, and other property and improvements resulting from the Contractor’s use and shall repair all damage resulting from such use to the satisfaction of the Engineer and at no cost to the Agency.

C. Contractor's Staging Area: Store construction materials and equipment within boundaries of designated staging and storage areas approved by the Agency.

*** END OF SECTION 2100***

Section 2120 - Temporary Facilities and Controls

SECTION 2120

TEMPORARY FACILITIES AND CONTROLS

PART 1 - GENERAL

1.01 DESCRIPTION

A. Section Includes: Requirements for installation, maintenance, and removal of temporary utilities, facilities, controls, construction signs, traffic control, and construction aids during construction.

1.02 TEMPORARY UTILITIES

A. General: The Contractor shall provide all necessary temporary utilities required during construction, including all necessary temporary meters, equipment, wiring, piping, fixtures, and connections. Contractor shall remove the same upon completion of the Project.

1.03 CONSTRUCTION FACILITIES

A. Temporary Storage for Tools, Materials, and Equipment: It is the Contractor’s responsibility to provide temporary storage sheds or other enclosed temporary structures as required or as deemed necessary by the Contractor to protect material and equipment stored on site.

Contractor shall remove the same upon completion of the Project.

1.04 TRAFFIC CONTROL, TEMPORARY BARRIERS, AND ENCLOSURES

A. General Protection: Provide all temporary barricades, fences, caution signs, and warning lights as required for the safety of persons. Operate warning lights during hours from dusk to dawn each day. Take whatever care is necessary to avoid damage to adjacent buildings and property, public right-of-ways, and facilities, or utilities to remain, whether on the Project or adjacent to it, and be liable for any damage thereto or interruption of service due to Contractor's operations.

B. Temporary Fences and Barricades: Provide and maintain all temporary site fences, and barricades as required for the Project, and remove the same upon the completion of the Project.

Section 2120 - Temporary Facilities and Controls

1.05 SITE MAINTENANCE

A. Cleaning During Construction:

B. Control accumulation of waste materials and rubbish; periodically dispose of legally onsite per Agency direction.

C. Clean interior areas prior to start of finish work; maintain areas free of dust and other contaminants during finishing operations.

1.06 REMOVAL

A. Remove temporary facilities, fencing, materials, equipment, services, and construction aids prior to Substantial Completion inspection.

B. Clean and repair damage caused by installation or use of temporary facilities. Restore existing facilities used during construction to specified or to original condition.

PART 2 - PRODUCTS

2.01 MATERIALS

A. Temporary materials and equipment may be new or used, but shall be adequate in capacity for the required usage, shall not create unsafe conditions, and shall not violate requirements of applicable codes and standards.

B. Hazardous or Flammable Chemicals or Digestate: Use, handle and store hazardous or flammable chemical liquids or gases on the Project site in acceptable containers conforming to requirements of OSHA. Use and handle such materials in a manner that will prevent their accidental release into other areas. Do not discard such materials on the jobsite.

Remove empty containers from premises immediately and dispose of in the proper manner.

*** END OF SECTION 2120***