B08 Amendment 3_Updated Plans and Specifications.pdf

SOLICIATION NO. W91238-B-21-0012

1 of 1 Amendment 03

SACRAMENTO , CALIFORNIA

AMERICAN RIVER COMMON FEATURES

NATOMAS BASIN REACH A

AMENDMENT 03 - SUMMARY:

A) SPECIFICATION 2172

1) Replaced entire Project Table of Contents.

2) Replaced entire Section 00 73 05.

3) Replaced entire Section 01 22 00.

4) Replaced entire Section 31 56 14.

5) Replaced entire Section 31 56 15.

6) Replaced entire Section 32 12 16.

B) DRAWINGS

1). Replaced C-101.

2). Replaced C-116.

3). Replaced CU102.

4). Replaced CU111.

5). Replaced CU130.

6). Replaced B-102.

ARCF Natomas Reach A 2172

PROJECT TABLE OF CONTENTS

DIVISION 00 - PROCUREMENT AND CONTRACTING REQUIREMENTS

00 73 05 SUPPLEMENTARY CONDITION REQUIREMENTS FOR REACH A

DIVISION 01 - GENERAL REQUIREMENTS

01 00 00 GENERAL REQUIREMENTS

01 11 00 SUMMARY OF WORK

01 22 00 PRICE AND PAYMENT PROCEDURES

01 32 01 PROJECT SCHEDULE

01 33 00 SUBMITTAL PROCEDURES

01 35 26 GOVERNMENTAL SAFETY REQUIREMENTS

01 42 00 SOURCES FOR REFERENCE PUBLICATIONS

01 45 00 QUALITY CONTROL

01 45 00.15 RESIDENT MANAGEMENT SYSTEM CONTRACTOR MODE (RMS CM)

01 50 00 TEMPORARY CONSTRUCTION FACILITIES AND CONTROLS

01 57 19 TEMPORARY ENVIRONMENTAL CONTROLS

01 57 23 TEMPORARY STORM WATER POLLUTION CONTROL

01 71 10 MOBILIZATION AND DEMOBILIZATION

01 78 00 CLOSEOUT SUBMITTALS

DIVISION 02 - EXISTING CONDITIONS

02 32 00 SUBSURFACE DRILLING, SAMPLING, AND TESTING

02 41 00 DEMOLITION AND DECONSTRUCTION

DIVISION 03 - CONCRETE

03 30 53 MISCELLANEOUS CAST-IN-PLACE CONCRETE

03 37 20 CONTROLLED LOW STRENGTH MATERIAL (CLSM)

03 42 13 PLANT-PRECAST CONCRETE PRODUCTS FOR BELOW GRADE

CONSTRUCTION

03 52 16.23 LIGHTWEIGHT CELLULAR CONCRETE

DIVISION 05 - METALS

05 12 00 STRUCTURAL STEEL

05 50 13 MISCELLANEOUS METAL FABRICATIONS

DIVISION 09 - FINISHES

09 97 02 PAINTING: COAL TAR EPOXY

DIVISION 10 - SPECIALTIES

10 14 53 TRAFFIC SIGNAGE

DIVISION 22 - PLUMBING

22 14 13.13 DISCHARGE PIPING

DIVISION 26 - ELECTRICAL

26 05 00 COMMON WORK RESULTS FOR ELECTRICAL

26 28 01 COORDINATED POWER SYSTEM PROTECTION

DIVISION 31 - EARTHWORK

PROJECT TABLE OF CONTENTS Page 1

AM03

31 00 00 EARTHWORK

31 05 22 GEOTEXTILES USED AS FILTERS

31 09 13 GEOTECHNICAL INSTRUMENTATION AND MONITORING

31 09 14 AUTOMATED DATA ACQUISITION SYSTEM

31 11 10 CLEARING, GRUBBING, AND STRIPPING

31 23 17 BORROW SITE EXCAVATION

31 23 19 DEWATERING, DIVERSION AND CONTROL OF WATER

31 32 23 FOUNDATION DRILLING AND GROUTING

31 56 13 SLAG CEMENT-CEMENT-BENTONITE (SCCB) CUTOFF WALL - OPEN

TRENCH

31 56 14 SOIL-CEMENT-BENTONITE (SCB) CUTOFF WALL - DEEP MIXING

METHOD

31 56 15 SOIL-CEMENT-BENTONITE (SCB) CUTOFF WALL - VERTICAL CHAIN

TRENCH (VCT) METHOD

31 60 10 COMPACTION GROUTING

DIVISION 32 - EXTERIOR IMPROVEMENTS

32 11 23 AGGREGATE BASE COURSES

32 12 13 BITUMINOUS TACK COATS

32 12 16 HOT-MIX ASPHALT (HMA) FOR ROADS

32 15 00 AGGREGATE SURFACING

32 17 23 PAVEMENT MARKINGS

32 31 13 CHAIN LINK FENCES AND GATES

32 31 26 WIRE FENCES AND GATES

32 92 33 GRASS SEEDING AND EROSION CONTROL

DIVISION 33 - UTILITIES

33 11 00 WATER UTILITY DISTRIBUTION PIPING

33 30 00 SANITARY SEWERAGE

33 31 23 SANITARY SEWER FORCE MAIN PIPING

33 40 00 STORM DRAINAGE UTILITIES

DIVISION 35 - WATERWAY AND MARINE CONSTRUCTION

35 20 16.26 SLUICE GATES AND HOISTS

35 20 18 FLAP GATE AND APPURTENANCES

35 42 13 TEMPORARY SHORING

35 45 01 VERTICAL PUMPS, AXIAL-FLOW AND MIXED-FLOW IMPELLER-TYPE

35 45 02 WET WELL PHYSICAL MODEL STUDY

-- End of Project Table of Contents --

PROJECT TABLE OF CONTENTS Page 2

SECTION TABLE OF CONTENTS

DIVISION 00 - PROCUREMENT AND CONTRACTING REQUIREMENTS

SECTION 00 73 05

SUPPLEMENTARY CONDITION REQUIREMENTS FOR REACH A

PART 1 GENERAL

1.1 REFERENCES

1.2 SUBMITTALS

1.3 SUPPLEMENTARY CONDITIONS REQUIREMENTS (SCR)

1.3.1 SCR-1 Location of Work

1.3.2 SCR-2 Base and Optional Tasks

1.3.3 SCR-3 Allowable Time, Schedule Constraints and Time of

Completion

1.3.4 SCR-4 Site Conditions

1.3.5 SCR-5 Lands and Right-of-Way

1.3.6 SCR-6 Access by Government, and Other Jurisdictional Public

Agencies

1.3.7 SCR-7 Contractor's Tools and Equipment

1.3.8 SCR-8 Locking Gates

1.3.9 SCR-9 Water Source for Construction Operations

1.3.10 SCR-10 Cleaning Up

1.3.11 SCR-11 Protection of Existing Improvements

1.3.12 SCR-12 As-Built Drawings

1.3.13 SCR-13 Flood Emergency

1.3.14 SCR-14 Permits and Approvals

1.3.15 SCR-15 Dust Control

1.3.16 SCR-16 Fire Control

1.3.17 SCR-17 Air Pollution Control

1.3.18 SCR-18 Noise Control

1.3.19 SCR-19 Allowable Work Hours

1.3.20 SCR-20 Cultural Resources

1.3.21 SCR-21 Protection of Existing Trees

1.3.22 SCR-22 Biological Resources

1.3.23 SCR-23 Raptor and Migratory Birds

1.3.24 SCR-24 Wetlands and Sensitive Habitats

1.3.25 SCR-25 U.S. Fish and Wildlife Service

1.3.26 SCR-26 Speed Limit

1.3.27 SCR-27 Reclamation District 1000 (RD1000) Coordination

1.3.28 SCR-28 Provision Regarding Maintaining Minimum Flood

Protection During Construction

1.3.29 SCR-29 Coordination with the Contracting Officer and Utilities

Relocation

1.3.30 SCR-30 Haul Routes

1.3.31 SCR-31 Resource Coordination

1.3.32 SCR-32 Flood Contingency Plan

1.3.33 SCR-33 Utility Provider Response Plan

1.3.34 SCR-34 Stop Work Authority

1.3.35 SCR-35 Floodway Construction Schedule

1.3.36 SCR-36 High Visibility Fencing, Habitat Preservation and

Buffers

DOCUMENT 00 73 05 Page 1

1.3.37 SCR-37 General Safety Requirements

1.3.38 SCR-38 Storm Water Pollution Prevention Plan

1.3.39 SCR-39 Encroachment Permits

1.3.40 SCR-40 Cobbles

1.3.41 SCR-41 Staging Areas

1.3.42 SCR-42 Recreation/Community Mitigation - Reach A

1.3.43 SCR-43 City Streets and County Roads - Reach A

1.3.44 SCR-44 Project Signage

1.3.45 SCR-45 Utility Penetration Photographs

1.3.46 SCR-46 RD 1000 Pumping Plant 1B and 1A Outages

1.3.47 SCR-47 City of Sacramento Pump Station No. 160 Temporary

Bypass System

1.3.48 SCR-48 City Sump 160 Modifications

1.3.49 SCR-49 Access to Waterside and Landside Parcels

1.3.50 SCR-50 Design Water Surface Elevation, Reach A

1.3.51 SCR-51 Overhead Clearance Limitations, STA 846+50 to 848+50

1.3.52 SCR-52 Site Restrictions near I-80 and RegionalSan Pipeline

1.3.53 Project Fencing at Landside Levee Toe

PART 2 PRODUCTS

PART 3 EXECUTION

-- End of Section Table of Contents --

DOCUMENT 00 73 05 Page 2

SECTION 00 73 05

SUPPLEMENTARY CONDITION REQUIREMENTS FOR REACH A

PART 1 GENERAL

1.1 REFERENCES

The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only.

ASTM INTERNATIONAL (ASTM)

ASTM D653 (2014) Standard Terminology Relating to Soil, Rock, and Contained Fluids

U.S. ARMY CORPS OF ENGINEERS (USACE)

EM 385-1-1 (2014) Safety and Health Requirements Manual

1.2 SUBMITTALS

Government approval is required for submittals with a "G" designation. The following must be in accordance with Section 01 33 00 SUBMITTAL PROCEDURES:

SD-01 Preconstruction Submittals; G

Permits and Approvals; G

Construction emission/dust control plan; G

Permit, waiver or other documentation from local jurisdictions with the mapped haul routes; G

Slurry Spill Prevention Plan; G

Flood Contingency Plan; G

Utility Provider Response Plan; G

Encroachment Permit; G

Traffic Control Plan; G

City Sump 160 Temporary Bypass Plan; G

Restricted Overhead Clearance Work Plan; G

1.3 SUPPLEMENTARY CONDITIONS REQUIREMENTS (SCR)

1.3.1 SCR-1 Location of Work

The Natomas Basin is approximately 53,000 acres (82 square miles) and is situated northwest of downtown Sacramento. Reach A is situated along the

DOCUMENT 00 73 05 Page 3

Sacramento River East Levee (SREL) from the intersection of Garden Hwy and Farm Rd to the intersection of Garden Hwy and Gateway Oaks Dr. Reach A is approximately 3.5 miles in length (STA 769+00 to STA 956+84).

1.3.2 SCR-2 Base and Optional Tasks

The contract consists of the base contract work and three Optional Tasks.

The Optional Tasks are organized as follows:

Optional Task 1:

1. Pumping Plant 1B Improvements

Optional Task 2:

1. STA 794+20 to 796+50 (APN 225-0210-022): Construction of adjacent levee and cutoff wall

2. STA 831+65 to 837+00 (APNs 274-0260-045 and -046): Construction of adjacent levee and cutoff wall and landside residential access ramp

3. STA 846+50 to 849+00 (APN 274-0260-009, PG&E Tower): Construction of adjacent levee and cutoff wall

4. STA 849+00 to 851+73 (APN 274-0260-032): Construction of adjacent levee and cutoff wall and infill of existing drainage ditch along Bryte Bend Road

5. STA 878+10 to 895+50 (Marina Glen Way through Shorebird Park):

Construction of adjacent levee and cutoff wall

6. STA 895+00 to 898+00 (City Sump 160 Improvements): Surcharge loading of site, adjacent levee, cutoff wall, CSD160 vault and pipe replacement

7. STA 913+80 to 923+00 (Orchard Lane to RD1000 facility)

8. STA 924+50 to 925+50 (Pumping Plant 1A Improvements): Waterside outfall structure ground improvement via compaction grouting, replacement of outfall structure and gates, crack repair of existing conduits, tremie grouting around/beneath existing conduits. (NOTE: Landside berm feature just east of PP1A facility is included in base contract)

9. Various tie-in areas to residential driveways as shown in the C-200 sheets.

10. Haul route from El Centro Road to project area parallel to I-80 (APNs 274-0010-069, 274-0010-071, 274-0010-079 & 225-1020-009).

Optional Task 3:

1. STA 868+00 to 878+10 (APN 274-0220-073): Construction of adjacent levee, cutoff wall, and landside maintenance vehicle access

2. STA 898+20 to 913+20 (Swallows Nest Neighborhood): Construction of adjacent levee and utility relocations

3. STA 929+00 to 956+00 (Downstream of RD1000 facility): Construction of landside drained berm and utility relocations

In the event that option(s) are not exercised, construct the termination of the base contract work adjoining the unexercised option as follows:

1. Construction limit and Clear & Grub limit of base contract lies on the line separating the Base and Optional Task work.

2. Slope the key trench excavation up at a 1:H:1V slope, daylighting no closer than 5-ft and no further than 10-ft from the line separating the Base and Optional Task work.

3. Construct the adjacent levee such that the toe of the adjacent levee is 5-ft from the line separating the Base and Optional Task work, and slope this face of the adjacent levee at a 2H:1V slope.

4. Construct the cutoff wall to within at least 10-ft of the 2H:1V slope referenced above.

DOCUMENT 00 73 05 Page 4

1.3.3 SCR-3 Allowable Time, Schedule Constraints and Time of Completion

The following constraints apply and must be incorporated into the Contractor's schedule. Complete the Natomas Reach A project within a maximum of three construction seasons (a construction season is defined as the time from 15 April to 1 November). No construction activities are allowed between November 1 and April 14, except as described below. The entirety of Reach A will be available for mobilization and site preparation on 1 April. From 15 April through 1 November construct pumping plant improvements, levee improvements, and cutoff wall including degrading of the levee embankment, reconstruction of the levee embankment, construction of utility crossings, and re-paving of the levee crown. From 1 November through 30 November perform erosion control seeding, site cleanup and demobilization.

Perform all in-water construction from 15 June to 30 September, including the Pumping Plant 1A outfall structure and Pumping Plant 1B intake structure modifications.

From the time of NTP through 1 April 2022, a separate tree removal contractor will be utilizing the site to perform tree cutting activities.

The Reach A construction contractor must coordinate with the tree removal contractor to share the site until the tree removal activities are complete. The tree removal contractor has full use of the project area within APNs 274-0220-047 and 274-0660-059 during this time. Prior to Reach A contractor mobilization, the contractor must coordinate with the Regional Water Quality Control Board to ensure any existing SWPPP obtained by the tree removal contractor is transferred to the Reach A contractor.

CONSTRAINTS FOR REACH A

DESCRIPTION OF WORK DESCRIPTION OF CONSTRAINTS

Construction cutoff wall from Sta 769+0050 to Sta 897+00

15 April to 30 1 November (two construction seasons)

Pumping Plant 1A Improvements

Perform PP1A outfall compaction grouting in the first construction season during which the option is exercised. Perform PP1A outfall replacement, conduit crack repair, and tremie grouting around/below conduit work in the second construction season during which the option is exercised.

Adjacent Levee and Cutoff Wall Near Farm Road, from Sta 769+00 to 773+00

Work in this location cannot start until Reach B construction is complete and accepted by the Government.

City Sump 160 Improvements

Construct surcharge embankment in the first construction season. Construct the pumping plant improvements in the second construction season. At least 12 months must elapse between surcharge embankment construction and degrade of the surcharge embankment.

DOCUMENT 00 73 05 Page 5

CONSTRAINTS FOR REACH A

DESCRIPTION OF WORK DESCRIPTION OF CONSTRAINTS

Traffic Impacts and Traffic Control

Lane closures and detours are provided for in the contract documents, and must be coordinated with City of Sacramento and County of Sacramento before and during such closures and detours. Details are provided in CP-8xx00 series of drawings and specification section 01 50 00. Such closures include but are not limited to the following features of work:

1) Sta ~928+00 to 956+84: Lane shifting and temporary elimination of center lane and left-turn pocket onto Orchard Lane

2) PP1A/PP1B Area: Single-lane closure during construction activities. One-way traffic on Garden Hwy must be maintained during all related construction activities.

At no time shall both lanes of Garden Hwy be closed to traffic in this area.

3) I-80 Area to City Sump 160 (Sta ~852+50 to 898+00: Detour of upstream traffic as shown on CP-800 drawings. One-way traffic on Garden Hwy must be maintained during all related construction activities. At no time shall both lanes of Garden Hwy be closed to traffic in this area.

Final Erosion Control Seeding, Site Cleanup, and Demobilization

1 November through 30 November (final construction season)

Bike Paths & Bike Routes

Provide bike route signage on Garden Hwy and provide suitable detour routes as needed.

Bike routes shall remain open throughout the duration of work or use temporary detours as shown on the Plans and/or coordinated separately.

TIME OF COMPLETION FOR REACH A

DESCRIPTION OF WORK REQUIRED TIME/DATE OF COMPLETION

Contracting Officer and Resident Engineer's Office Facility

Installed and ready for occupancy not later than fifteen (15) days from the start of mobilization.

DOCUMENT 00 73 05 Page 6

DESCRIPTION OF WORK REQUIRED TIME/DATE OF COMPLETION

Traffic Control Plan Traffic Control Plan must be approved by the Contracting Office and implemented prior to the start of any construction-related work.

Full Garden Highway lane closures must be limited to the least amount of time practicable. The Traffic Control Plan must clearly specify any lane closures, durations, and extents of closures to avoid adverse effects to residences and businesses immediately adjacent to the work area.

The portion of cutoff wall construction on Garden Highway from Farm Road to STA. 892+00 shall remain open to public traffic unless otherwise approved by the Contracting Officer.

Lane closures planned from STA 932+00 and STA 956+00 must be scheduled to preclude full closures of Garden Highway

Copies of Permits Contractor to forward to Contracting Officer within 10 days of receipt

Slurry Spill Prevention Plan

Submit to Contracting Officer 30 days prior to commencement of construction activities

Flood contingency plan including Flood Evacuation Plan for the waterside work.

Submit to Contracting Officer 30 days prior to commencement of construction activities.

Complete cutoff wall (including cutoff wall settlement period;

cutoff wall work must end at least 7 days prior to the end of the

31 October 1 November (each construction year), final completion by 31 October 1 November 2024

Complete temporary and permanent erosion control and site cleanup for all disturbed areas

30 November (each construction year, final completion by 30 November 2024)

Complete demobilization and site cleanup of all areas

30 November 2024

Record Drawings Submit within 10 days after Government approval of working drawings

1.3.4 SCR-4 Site Conditions

Confirm the nature and location of the work; the general and local

DOCUMENT 00 73 05 Page 7 conditions, particularly those affecting transportation, disposal, handling and storage facilities; availability of labor, water, power, communications, roads, climatic conditions and seasons; physical conditions at the job sites and Project areas as a whole; job-site topography and ground conditions; permits, equipment, and facilities needed preliminary to, and during, work prosecution; and all other matters which can in any way affect the work, including cost thereof. Failure to become acquainted with all available information regarding any applicable conditions will not relieve the Contractor from the responsibility for properly estimating either the difficulties or the costs of successfully performing the work.

The 2010 Environmental Impact Study and Environmental Impact Report (EIS/EIR) is available upon request by contacting the Contracting Officer.

The Contractor may utilize the portion of the project area between the Clear & Grub limit and the Construction Limit on the landside of the work area for limited purposes, including limited staging and haul route. Trees within this zone are not to be removed unless necessary for the construction of the final levee improvements. Coordinate any potential use of this portion of the project area with the Contracting Officer and submit use plans for approval prior to start of work. Coordinate with Contracting Officer prior to removing any trees from this area.

The area of the project between the levee crown matchline and the waterside construction limit on the levee crown (as shown in C-100 series drawings) may not be used for Contractor staging or storage, and must remain clear of obstructions during construction, except for when pre-planned road closures are in-place.

1.3.5 SCR-5 Lands and Right-of-Way

The right-of-way for the construction work, as shown on the Plans, will be provided by the Government. The Contractor is responsible for obtaining land rights and easements for areas to be used for the Contractor's own convenience outside the right of way shown and footprint limits on the Plans and must absorb complete liability for the use, and/or associated activities related to the use of such land. The Contractor is responsible for all work and costs associated with obtaining land rights and easements.

If the contractor receives land rights and easements outside of the construction limits, these rights shall be received in writing and shall be forwarded to the Government for their records. Contractor shall also receive release of liability of the Government for any damage to these additional areas in writing. Compliance with environmental and cultural laws must be followed by the contractor if using lands other than those identified by the Government.

1.3.6 SCR-6 Access by Government, and Other Jurisdictional Public Agencies

The Contractor shall allow the following Agencies and Jurisdictional public agencies unrestricted access to the project site at all times:

United States Army Corps of Engineers

California Department of Water Resources

Reclamation District 1000

Sacramento Area Flood Control Agency

DOCUMENT 00 73 05 Page 8

County of Sacramento

City of Sacramento

Sacramento Area Sewer District (SASD)

Regional San

Sacramento Municipal Utility District (SMUD)

AT&T, Inc.

Comcast, Inc. and their telecom contractors

Verizon, Inc. and their telecom contractors

CCI, Inc. and their telecom contractors

Wave Broadband and their telecom contractors

Pacific Gas & Electric, Inc.

Central Valley Flood Protection Board

California Department of Fish and Wildlife (CDFW)

United States Fish and Wildlife Service (USFWS)

National Marine Fisheries Service (NMFS)

Sacramento Metropolitan Air Quality District (SMAQMD)

All Visitors shall comply with the safety requirement in the EM 385-1-1 and contractor safety plans. All Visitors shall coordinate with the onsite Government representative prior to visiting the job site.

1.3.7 SCR-7 Contractor's Tools and Equipment

Furnish all equipment, materials, tools, supplies, and manufactured articles required for the completion of the work in accordance with the Contract. Take the necessary precautions to secure tools and equipment from theft while on-site. The Government assumes no responsibility for lost, vandalized, or stolen equipment belonging to the Contractor, its subcontractors, or its employees.

1.3.8 SCR-8 Locking Gates

Take care to protect and operate any existing gates that control access to the Project right-of-way, in conformance with the Government, RD1000, and the City and County of Sacramento requirements. These requirements include preventing passage through the gates of unauthorized persons and equipment during periods of Contractor use of the gates and locking the gates during non-construction periods, if so directed by the Contracting Officer.

1.3.9 SCR-9 Water Source for Construction Operations

Contractor is responsible for identifying, securing, and obtaining all water needed for the project for both potable uses and for construction purposes. Water must not be pumped from the Sacramento River or any

DOCUMENT 00 73 05 Page 9 adjacent waterways. Construction water should be reused onsite to the extent practical and disposed of in a manner consistent with the quality of the water after use, or as directed by the Contracting Officer. Excess water must not be disposed of into any wetland, stream, river, or storm drainage without all applicable local and regulatory permitting.

Contractor must be responsible for disposal of all construction water.

1.3.10 SCR-10 Cleaning Up

Dispose of all trash items in closed containers, which must be removed at least once per day. Vegetative wastes must be chipped and delivered to waste energy facilities, mulched, composted, or used for firewood.

Vegetative wastes must be removed at least once a day during clearing and grubbing operations, or as required to maintain a clean project site during other operations.

1.3.11 SCR-11 Protection of Existing Improvements

Except as specified herein or as shown on the Plans, existing structures and utility lines must not be disturbed, damaged, or undermined by the Contractor, except where in the opinion of the Contracting Officer it is essential to relocate such improvements. If relocation of any facility is required, relocate the improvements to be at least equal in condition to the original. Take all necessary precautions to prevent any damage to existing facilities. Should damage or injury occur as a result of the Contractor's operations, repair or replace such damaged facilities to the Contracting Officer's satisfaction at the Contractor's expense.

Repair any damage to public and private streets resulting from the Contractor's operations, as directed by the Contracting Officer. Repair must be made per industry standards and conform to local jurisdictional requirements. Repairs must be made at no additional cost to the Government.

1.3.12 SCR-12 As-Built Drawings

Maintain a neat and accurate marked set of working as-built drawings in accordance with the Specifications. The as-built drawings must be subject to the inspection of the Contracting Officer at all times and must be kept current weekly with all work instructions, change orders, and construction adjustments shown thereon and initialed by the inspector. The Contracting Officer reserves the right to withhold progress payments, or portions thereof, if as-built drawings are not maintained as stated above.

Specification section 01 78 00 governs preparation of as-built drawings.

1.3.13 SCR-13 Flood Emergency

In the event of a flood emergency requiring action by the jurisdictional flood control agencies prior to completion of the work, the Contracting Officer must have the right to suspend the work in accordance with the General Specifications. Such suspension includes the right of the Contracting Officer to take over the Project to conduct flood protection activities in accordance with the flood contingency plan.

The Contracting Officer will commence with the flood emergency plan when the I Street gauge reads 26 feet NGVD 29 and rising.

DOCUMENT 00 73 05 Page 10

1.3.14 SCR-14 Permits and Approvals

The Contracting Officer has obtained various permits, agreements, and rights for performance of the work. These permits may be described more fully in other SCRs and these specifications. The Contractor will be required to obtain additional permits or be a signatory on the Contracting Officer obtained permits as noted throughout the specifications, and be responsible for complying with all conditions of the permits and agreements. Any delays to the Project resulting from the Contractor's failure to follow permit requirements will not be the responsibility of the Contracting Officer and the Contractor will not be granted any extension of time for such delays.

Obtain all environmental permits or use permits (including CALTRANS Encroachment Permit, City/County Encroachment Permits, SMAQMD permits) required for access to land being used for the Contractor's own convenience and for work within the State Right of Way. Any delays to the Project resulting from the lack of these additional permits or the Contractor's failure to follow permit requirements will not be the responsibility of the Contracting Officer and the Contractor will not be granted any extension of time or additional compensation for such delays. Provide a copy of each permit obtained to the Contracting Officer within 10 days of receipt of permit. The contractor is responsible for paying all permit fees.

1.3.15 SCR-15 Dust Control

Comply with the provisions of Section 01 57 19 TEMPORARY ENVIRONMENTAL CONTROLS of the Specifications. Prepare and submit a construction emission/dust control plan to the Contracting Officer and Sacramento Metropolitan Air Quality Management District (SMAQMD). Contractor must receive approval of the plan before groundbreaking. During the performance of the work, Contractor assumes all responsibility for dust control and must furnish all labor, equipment, and means required, and must carry out proper and efficient measures wherever and as often as necessary to prevent the construction operations from producing dust in amounts harmful to persons, damaging to property, or causing a nuisance to persons living nearby or occupying buildings in the vicinity of the work, or as directed by the Contracting Officer. Dust control will be strictly enforced with particular emphasis on work areas adjacent to residential and agricultural properties. The curtailment of the construction activities as a result of inadequate dust control measures will not be considered an unavoidable delay. Suspend all grading operations when fugitive dust levels exceed levels specified by SMAQMD regulations or deemed unacceptable by the Contracting Officer. The Contractor is responsible for paying any fees assessed by SMAQMD.

1.3.16 SCR-16 Fire Control

No burning is allowed for any activities associated with this project.

Delivering removed vegetative material to compost or waste-to-energy facilities, or repurposing, is encouraged. Landfilling of material is to be avoided.

Smoking is not permitted in areas near flammable materials such as dry grass. Smoking is only permitted in specific areas as identified by the Contracting Officer. Smoking is prohibited within 200 feet of any residential or commercial structure. Cigarette butts must be placed in appropriate receptacles.

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1.3.17 SCR-17 Air Pollution Control

Comply with the air pollution control protocols specified in Section 01 57 19 TEMPORARY ENVIRONMENTAL CONTROLS of the Specifications. To the extent available, use existing power sources for the Contractor-provided trailers rather than temporary power generators. If existing power sources are unavailable, clean fuel, low-emission on-site stationary generator equipment must be used. Low-sulfur fuel must be used for stationary construction equipment. Contractor is responsible for arranging appropriate consultation with the Air Resources Board and the SMAQMD, to determine registration and permitting requirements before operating portable engines or portable engine-driven equipment at the project site.

1.3.18 SCR-18 Noise Control

Comply with Section 01 57 19 TEMPORARY ENVIRONMENTAL CONTROLS of the Specifications to avoid and minimize noise impacts from the construction activities.

Before construction activity begins within 500 feet of one or more residences, provide written notification at least three days before to the potentially affected residents, identifying the type, duration, and frequency of activities. Additional advance notice of construction activity is encouraged. Notification materials must also identify a mechanism for residents to register complaints with the appropriate jurisdiction if demolition noise levels are overly intrusive.

Before haul truck trips are initiated on roads within 600 feet of one or more residences, provide written notification at least three days before to the potentially affected residents, identifying the hours and frequency of haul truck trips. Notification materials must also identify a mechanism for residents to register complaints with the appropriate jurisdiction if haul truck noise levels are overly intrusive or outside exempt daytime hours.

1.3.19 SCR-19 Allowable Work Hours

Limit all construction activities to between the following hours on the following days for Reach A:

Within City Limits of City of Sacramento:

Monday through Saturday: 7 AM - 6 PM Sunday: 9 AM - 6 PM

Outside City Limits of City of Sacramento:

Monday through Friday: 6 AM - 8 PM Saturday and Sunday: 7 AM - 8 PM

Passive (no operation of heavy machinery) activity is allowed at the staging areas starting at 6 AM and ending one hour after sunset (as posted in the newspaper or online) or 10:00 PM, whichever occurs sooner. No other construction work will be allowed outside the above mentioned hours unless otherwise approved by the Contracting Officer.

1.3.20 SCR-20 Cultural Resources

Comply with protocols in Section 01 57 19, TEMPORARY ENVIRONMENTAL CONTROLS, of the Specifications.

DOCUMENT 00 73 05 Page 12

Conduct Construction Personnel Training for all on-site employees. If cultural resources are discovered during construction activities, Contractor must cease work within 100 feet of the vicinity of the find and immediately contact the archaeologist, through the Contracting Officer, and cooperate with all pertinent mitigation procedures. Construction personnel must participate in a cultural awareness program, which will be provided by the USACE Archaeologist at the start of construction. As needed, provide a translator to allow the training to be conducted in Spanish for Spanish language speakers and other languages as needed or necessary.

1.3.21 SCR-21 Protection of Existing Trees

All trees of any kind inside the work limits and designated in the drawings as protect in place are to be protected. Contractor must place protective barrier fencing at the drip line around trees designated as protect in place in the drawings. All trees outside the work limits, of any kind, are to be protected. All trees within the limits of the Ray and Judy Tretheway Oak Preserve staging area are to be protected. Contractor must place protective barrier fencing around trees adjacent to construction areas that may be subject to inadvertent damage, as directed by the Contracting Officer. If damaged by the Contractor, damaged trees and landscaping must be replaced by Contractor or otherwise mitigated as directed by Contracting Officer at the Contractor's expense.

1.3.22 SCR-22 Biological Resources

Comply with the Section 01 57 19, TEMPORARY ENVIRONMENTAL CONTROLS, of the Specifications to avoid and minimize effect upon endangered or sensitive species in the Project area. Schedule activities to comply with the provisions and provide required notice for surveys to be conducted by the Government's Environmental Representative. Construction personnel must participate in an environmental awareness program, which will be provided by the USACE Biologist at the start of construction. As needed, provide a translator to allow the training to be conducted in Spanish for Spanish language speakers and other languages as needed or necessary.

1.3.23 SCR-23 Raptor and Migratory Birds

Comply with the provisions of the construction contractor protocols for avoiding and minimizing impacts to raptors, special status, and other nesting birds, which are included in Section 01 57 19 TEMPORARY ENVIRONMENTAL CONTROLS. If an injured bird is found on the Project site, notify the Contracting Officer immediately so the animal can be relocated to either a wildlife care facility or a raptor recovery facility.

1.3.24 SCR-24 Wetlands and Sensitive Habitats

Do not impact Wetlands and Sensitive Habitats.

1.3.25 SCR-25 U.S. Fish and Wildlife Service

A Biological Opinion has been issued by the U.S. Fish and Wildlife Service. The Contract Documents contain all of the terms and conditions from the Biological Opinion, and the Contractor is responsible for implementing all requirements and obligations sited in the Contract Documents.

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1.3.26 SCR-26 Speed Limit

The speed limit in all Project work areas and along levees must be 15 m.p.h., except on county roads, city streets and highways. The Contracting Officer may also require that speed limits on project site be reduced further to ensure vibration limits, dust protocols or other criteria are not violated. Post, at a minimum, two speed limit signs at each end of the haul route.

1.3.27 SCR-27 Reclamation District 1000 (RD1000) Coordination

RD1000 manages the existing levees throughout the project area. Coordinate their work with RD1000 through the Contracting Officer, allowing RD1000 access to its facilities at all times. Maintain access for the RD1000 through the Contracting Officer at all times.

1.3.28 SCR-28 Provision Regarding Maintaining Minimum Flood Protection During Construction

Do not begin activities that reduce the level of flood protection, as determined by the Contracting Officer, pior to April 15 of any year.

Contractor must have all levee and pumping plant improvements completed by October 31 of any year unless otherwise approved by the Contracting Officer. Do not disturb the existing levee system after October 31.

Disturbances include but are not limited to impacts to the crown access roads, ramps, pipes and/or utilities crossings, stability berms, or excavations within the limits of construction. Stockpiling suitable construction materials, tree removal, clearing, grubbing, and stripping operations along the landside toe of the levee (if grubbed areas are promptly backfilled to original grade immediately following grubbing activities), removal and installation of services and utilities along the landside toe are acceptable outside of this window, provided no materials are stored on the levee crown or slopes, anywhere on the waterside of the levee, or within 100 feet of the existing landside levee toe.

1.3.29 SCR-29 Coordination with the Contracting Officer and Utilities Relocation

Contractor must coordinate and cooperate with the Contracting Officer and all utility providers on relocation of any overhead and underground electrical, sewer, water and storm utilities within the limits of construction that may hinder the performance of Contractor's construction activities. Contractor must assist in coordination and work with the Contracting Officer such that the utilities are relocated in time not to delay and to allow for completion of improvements in accordance with the Time of Completion schedule. Unless the relocation is called for on the drawings, the cost of any relocations is the responsibility of the Contractor.

Extensive temporary overhead utility relocations will be required during cutoff wall construction, given the number of overhead electrical and telecommunications line crossings of the deep cutoff wall alignment.

Coordination of these temporary relocations is the responsiblity of the Contractor in coordination with USACE and each affected utility stakeholder. Detailed attention to these relocations is critical to ensure the cutoff wall construction work is not delayed by poor utility relocation coordination during construction.

The maximum allowable outage time for each type of utility during a given

DOCUMENT 00 73 05 Page 14 planned outage is as follows:

Electrical (Commerical and Residential): 1 hour

Telecommunications (Commercial and Residential): 1 hour

Gas (Commercial and Residential): 1 hour

Water (Commercial and Residential): 1 hour

Sewer (Commerical and Residential SASD services, as well as private sewer crossings to landside septic systems): 1 hour

1.3.30 SCR-30 Haul Routes

Haul and access routes are existing public roads and maintenance roads, except for restrictions noted in this section and on the drawings. Use of Garden Highway for haul traffic is prohibited upstream of Sta 876+00, and is to be minimized downstream of Sta 879+00. Contracting officer approval is required prior to use of Garden Highway as a haul route. Contractor is to request specific uses separate from the Haul Route Plan.

Stockpiling of construction materials, including portable equipment, vehicles, and supplies, is restricted to designated construction staging areas and work sites. Movement of heavy equipment to and from the Project site must be restricted to load limit approved roadways in this section and shown on the drawings. The Contractor's construction access points must be limited to those shown on the Plans, defined in the Specifications, or as directed in the field by the Contracting Officer. Paved areas at construction access points must be swept each day, or more frequently, as required by the Contracting Officer to control dust and clean up material tracked or spilled on said paved areas or roadways. Conform to all governing codes, laws, and ordinances.

Contractor must obtain a permit, waiver or other documentation with the mapped haul routes from local jurisdictions to repair or compensate for damage to local roads used in hauling to or from the project site. The permit, waiver or other documentation provided by the local jurisdiction may specify the conditions for repairs to be performed or appropriate compensation to account for the road damage. Submit to the Contracting Officer and resident engineer prior to commencement of haul operations a copy of the permit, waiver or other documentation from local jurisdictions with the mapped haul routes. All cost associated with permits, haul road repairs, and/or fees are the responsibility of the Contractor and will not be paid separately from unit prices or job prices contained in the Bid Schedule.

Requirements for specific haul routes are as follows:

1. I-80 Frontage Road from El Centro Road to Seepage Berm Area

a. Contractor to maintain or improve existing road surfacing

b. If Contractor adds gravel to existing gravel road for haul, gravel is to be removed following use for haul, with final surface to be left in pre-construction condition or better

c. This haul route may only be used for one-way haul route traffic

d. This haul route will also be accessed by farm equipment and RegionalSan operation & maintenance vehicles, and Contractor is responsible for coordinating haul traffic with owner(s) of adjacent farmland and RegionalSan. Haul route must be properly signed to

DOCUMENT 00 73 05 Page 15 indicate to operators the use of the route for construction haul traffic.

e. Ensure use of road as haul route does not interfere in any way with the existing irrigation and drainage facilities.

1.3.31 SCR-31 Resource Coordination

All contact and coordination with the resource agencies must occur through the Contracting Officer in coordination with the Government's environmental representative.

1.3.32 SCR-32 Flood Contingency Plan

In the event the water surface elevation of the adjacent river is forecasted by the State-Federal Flood Forecast Center to increase significantly for any reason, the Contracting Officer reserves the right to require the Contractor to stop excavation and to begin continuous operations to complete all partially completed section(s) of the levee embankment and the cutoff wall. Submit a contingency plan outlining the contingency operations in the event that river elevations rise above the flood stage (as defined by the USACE) are forecasted. The plan must be approved at least fifteen (15) days prior to any levee excavation. The contingency plan must include the proposed measure to protect the landside areas which have a reduced level of protection due to construction activities. The plan must include river stage monitoring, river stage at which the plan will be activated, material and equipment to be used in performance of the contingency plan, and location, type and quantity of the stockpiled emergency material. The plan must also include the length of levee, where stockpiled material will be stored, and the method for monitoring river elevations. Keep any levee degrade material on the project site for the duration of the construction period, protected from inclement weather, for use as emergency backfill as necessary. The Flood Contingency Plan must be submitted to the Contracting Officer for review.

1.3.33 SCR-33 Utility Provider Response Plan

Contractor must prepare and submit a Utility Provider Response Plan to the Contracting Officer, Sacramento Area Sewer District (SASD), Sacramento Municipal Utility District (SMUD), Regional San, AT&T, Comcast, Verizon, CCI, Wave Broadband, County of Sacramento, and the City of Sacramento.

Plan must detail how utility locations are verified, provide protocol for coordination with Utility Providers, detail process on conducting required worker training for all on-site employees with respect to accidental utility damage, and provide utility provider emergency contact information. Contractor is responsible for coordinating any temporary utility services needs during construction, and must assume all temporary utility services cost.

1.3.34 SCR-34 Stop Work Authority

The Contracting Officer and Administrative Contracting Officer has the authority to immediately stop any activity that is not in compliance with the permits, and/or order any reasonable measure to avoid the unauthorized take of an individual of the Covered Species (e.g., giant garter snake, Swainson's hawk, valley elderberry longhorn beetle, Federally- and State-listed fish).

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1.3.35 SCR-35 Floodway Construction Schedule

Contractor must not perform any work within the existing floodway including all staging area activities (i.e., waterside or within the Sacramento River floodplain) per the date restrictions in Time of Completion requirement herein and must not begin any construction until evaluation of upstream conditions indicate that inundation of these areas is unlikely to occur.

1.3.36 SCR-36 High Visibility Fencing, Habitat Preservation and Buffers

Contractor must provide high-visibility fencing that must be placed to prevent encroachment of construction personnel and equipment into areas outside of or adjacent to the project footprint that contain sensitive habitats, including at least 20 feet from the dripline of elderberry shrubs and up to 200 feet from the edge of aquatic features that are suitable giant garter snake habitat. The fencing must be inspected by the Contractor before the start of each work day and must be maintained until completion of the Project. Do not remove the fencing until construction of the Project is completed. No insecticides, herbicides, or other chemicals that might harm the valley elderberry longhorn beetle or its host plant may be used within 20 feet of the elderberry shrubs.

1.3.37 SCR-37 General Safety Requirements

Conform to all applicable occupational safety and health standards, rules, regulations, and orders established by the State of California or Federal Government. The Contractor must, upon request, submit to the Contracting Officer a copy of their Injury Illness Prevention Program (IIPP) (including Site Safety Plan and Code of Safe Work Practices) for review. The Contractor is required to fulfill the requirements of these programs during the prosecution of the Work, and comply with conditions set forth in the Specifications. Comply with all regulations set forth in Consolidated

EM 385-1-1.

1.3.38 SCR-38 Storm Water Pollution Prevention Plan

Contractor shall develop a Storm Water Pollution Prevent Plan (SWPPP) and submit in accordance with Section 01 57 23.

Coverage under the State Water Resources Control Board (SWRCB) General Permit to Discharge Water Associated with Construction Activity must be obtained by the Contractor for this Project prior to initiation of any construction activities. The Notice of Intent (NOI) must comply with the Terms of the General Permit to Discharge Storm Water Associated with Construction Activity (WQ Order No. 2009-0009-DWQ); contingent upon SWRCB direction at the time of filing. Develop and submit to the Contracting Officer a Storm Water Pollution Prevention Plan (SWPPP) and BMP's as part of SWPPP or as separate item to be implemented and maintained throughout construction per Contract requirements for the work in accordance with the state's guidelines and the Specification 01 57 23 TEMPORARY STORM WATER POLLUTION CONTROL that address the all pertinent SWPPP regulations.

Implement the SWPPP prior to the start of soil-disturbing activity, and be responsible for all monitoring and maintenance until permanent erosion control has been established in accordance with Specification 32 92 33 GRASS SEEDING AND EROSION CONTROL, as determined by the Contracting Officer. The SWPPP must include Best Management Practices to prevent sediment, runoff from dust control, and oil and other chemicals used in construction from entering areas of wildlife habitat. Use fiber netting and other environmentally sound materials and methods as defined in

DOCUMENT 00 73 05 Page 17

Specification 01 57 23 TEMPORARY STORM WATER POLLUTION CONTROL. The Contractor is responsible for paying all SWPPP fees.

1.3.39 SCR-39 Encroachment Permits

Contractor must obtain an Encroachment Permit from City of Sacramento, County of Sacramento, and Caltrans prior to initializing work. Copy of work permits must be submitted to the Contracting Officer prior to disturbing ground.

1.3.40 SCR-40 Cobbles

Contractor should be aware that cobbles, as defined by ASTM D653, may exist within the cutoff wall profile. No additional time or cost allowances will be allowed for working within and around cobbles.

1.3.41 SCR-41 Staging Areas

Staging areas available to the Contractor for the project have been identified in the Drawings and permits have been obtained for them by the Government. If additional areas are available for use, they will be the responsibility of the Contractor to obtain.

Contractor must erect chain link fencing a minimum of eight (8) feet tall around the perimeter of each staging area. The fencing must include signage no smaller than 3' x 3' in size providing the Contractor's company name as well as a name and telephone number for Contractor who may be contacted by the public in general in the event that any issues arise out of the use of the Project site.

All material remnants need to be removed from each staging area when use of the staging area ceases. If this is difficult to achieve with the manner in which the staging area is used and the types of materials to be stockpiled, a protective barrier between the ground surface and stockpiled materials must be used. Upon conclusion of the work, or prior to the time period that the use of the staging area must cease, whichever occurs first, Contractor must return the site to a condition equal to or better than the condition it was in at the time of the Contractor's entry into the site.

No stripping of existing ground is to be conducted at staging areas unless approved in advance by the Contracting Officer. In order to minimize adverse effects from temporary impacts at all staging areas, the Contractor must prepare and submit for approval by the Contracting Officer a proposed plan for restoration of temporarily impacted areas to pre-project conditions (e.g. a plan for re-vegetation for areas where vegetation would be removed or destroyed).

Contractor is responsible for either removing and replacing irrigation systems or protecting irrigation systems in place. All decorative plants and trees must be protected in-place. No staging, storage, or equipment traffic within the dripline of any existing trees.

DART Staging Area: Perform 100% monitoring of the entrance to the staging area anytime the gate used for contractor access is not closed and securely locked. Perform 24/7 video surveillance of all ingress/egress points to the staging area and save video recordings for at least seven (7) calendar days. Provide real-time access to the surveillance feeds to the Contracting Officer and DART via secure internet connection. Provide video recordings to law enforcement and the Contracting Officer upon request.

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Ray and Judy Tretheway Oak Preserve Staging Area: Place plywood/steel plate over all irrigation pipes and emitters. Re-sod the staging area after work is completed.

1.3.42 SCR-42 Recreation/Community Mitigation - Reach A

A minimum of two weeks prior to start of work Contractor must provide written notification to various agencies (e.g. City of Sacramento DPW Representative) specified by the Contracting Officer as well as outreach to the immediate project neighbors advising of the work, duration, the days of the week work is to take place, and the hours to be worked for each day.

Contractor…