UW18030 MORMON SLOUGH SANITARY SEWER REHABILITATION Replace approximately 2,560 LF of 24” diameter sewer line with 30” diameter sewer line along Mormon Slough.

SPECIAL PROVISIONS
FOR
MORMON SLOUGH
SANITARY SEWER LINE REHABILITATION
City of Stockton Project No.: UW18030
Prepared for
City of Stockton

CITY PROJECT NO. UW18030
The special provisions contained herein have been prepared by or under the direction of
the following Registered Person.
ERIK E. ALMAAS
REGISTERED CIVIL ENGINEER 61020
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TABLE OF CONTENTS
SECTION 1 - SPECIFICATIONS AND PLANS 6
1-1.01 Specifications ............................................................................................. 6
1-1.02 Plans .......................................................................................................... 6
1-1.03 Terms and Definitions ................................................................................ 6
SECTION 2 - BIDDING AND BID PROTESTS 7
2-1.01 General ...................................................................................................... 7
2-1.02 Bid Protests ................................................................................................ 7
2-1.03 Contract Bonds .......................................................................................... 7
SECTION 3 - CONTRACT AWARD AND EXECUTION 7
3-1.01 Contract Bonds .......................................................................................... 7
3-1.02 Contract Execution ..................................................................................... 8
SECTION 4 - SCOPE OF WORK 8
SECTION 5 - CONTROL OF WORK 9
5-1.01 Contract Components ................................................................................ 9
5-1.02 Coordination with Other Entities ............................................................... 10
5-1.02a Permits ................................................................................................... 10
5-1.03 Submittals ................................................................................................ 11
5-1.04 Job Site Appearance ................................................................................ 13
5-1.05 Staging Area ............................................................................................ 14
5-1.06 Construction Staking ................................................................................ 14
5-1.07 Increased or Decreased Quantities .......................................................... 15
5-1.08 As-Built/Record Drawings ........................................................................ 15
5-1.09 Notice of Potential Claim .......................................................................... 16
5-1.10 Records .................................................................................................... 16
5-1.11 Property and Facility Preservation .......................................................... 17
5-1.12 Pre-Construction Survey .......................................................................... 17
5-1.13 Cooperation ............................................................................................. 19
5-1.14 Surface Restoration ................................................................................. 21
SECTION 6 - CONTROL OF MATERIALS 21
6-1.01 Testing ..................................................................................................... 21
SECTION 7 - LEGAL RELATIONS AND RESPONSIBILITY TO THE PUBLIC 21
7-1.01 General .................................................................................................... 21
7-1.02 Maintaining Public Convenience and Safety ............................................ 22
7-1.03 Excavation Safety .................................................................................... 22
7-1.04 Public Convenience ................................................................................. 22
7-1.05 Public Safety ............................................................................................ 23
7-1.06 Indemnification and Insurance ................................................................. 24
7-1.07 Lead Compliance Plan ............................................................................. 24
SECTION 8 - PROSECUTION AND PROGRESS 24
8-1.01 Time of Completion .................................................................................. 24
8-1.02 Liquidated Damages ................................................................................ 25
8-1.03 Pre-Construction Meeting ........................................................................ 26
8-1.04 Post-Construction Meeting ....................................................................... 26
SECTION 9 - PAYMENT 26
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9-1.01 Schedule of Values .................................................................................. 26
9-1.02 Description of Work and Payment ............................................................ 27
9-1.03 Unsatisfactory Progress ........................................................................... 31
9-1.04 Mobilization .............................................................................................. 32
SECTION 10 - GENERAL CONSTRUCTION 32
10-1.01 Order of Work ........................................................................................ 32
10-1.02 Alternative Equipment ............................................................................ 34
10-1.03 Inspections ............................................................................................. 34
10-1.04 Obstructions ........................................................................................... 34
10-1.05 System Outage Request, City of Stockton Facilities .............................. 35
10-1.06 Sheeting and Shoring ............................................................................. 36
10-1.07 Surface Restoration ............................................................................... 37
SECTION 12 - TEMPORARY TRAFFIC CONTROL 37
12-1.01 Maintaining Traffic .................................................................................. 37
12-1.02 Traffic Control System for Lane Closure ................................................ 40
12-1.03 Type K Temporary Railing ..................................................................... 42
12-1.04 Temporary Pavement Delineation .......................................................... 43
12-1.05 Maintaining Existing and Temporary Electrical Systems ........................ 43
12-1.06 Barricades and Channelizers ................................................................. 44
12-1.07 Payment ................................................................................................. 44
SECTION 13 - WATER POLLUTION CONTROL 44
13-1.01 General .................................................................................................. 44
SECTION 14 - ENVIRONMENTAL STEWARDSHIP 45
14-1.01 Construction Site Waste Materials Management ................................... 45
14-1.02 Air Pollution Control ............................................................................... 45
14-1.03 Dust Control, Apply Water, Site Maintenance, and Cleanup .................. 45
14-1.04 Sound Control Requirements ................................................................. 46
14-1.05 Project Specific Equipment Noise Control .............................................. 46
14-1.05 Cultural Resources................................................................................. 47
SECTION 15 - EXISTING FACILITIES 47
15-1.01 Existing Facilities.................................................................................... 48
SECTION 17 - GENERAL 50
17-1.01 Clearing And Grubbing ........................................................................... 50
SECTION 19 - EARTHWORK 50
19-1.01 Roadway Excavation .............................................................................. 50
19-1.02 Trench Excavation And Backfill .............................................................. 51
19-1.03 Dewatering ............................................................................................. 53
DIVISION IV SUBBASES AND BASES 54
SECTION 26 - AGGREGATE BASE 54
26-1.01 Aggregate Base ..................................................................................... 54
DIVISION V SUBSURFACE AND PAYMENT 54
SECTION 39 - ASPHALT CONCRETE 54
39-1.01 Asphalt Concrete.................................................................................... 54
DIVISIONS VI STRUCTURES 55
SECTION 52 - REINFORCEMENT 55
52-1.01 Reinforcement ........................................................................................ 55
DIVISION VII DRAINAGE FACILIIES 56
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SECTION 70 - MISCELLANEOUS DRAINAGE FACILITIES 56
70-8 - Maintenance Hole Construction ................................................................ 56
70-8.01 Materials ................................................................................................ 56
70-8.02 Design Loads ......................................................................................... 56
70-8.03 Workmanship ......................................................................................... 56
70-8.04 Payment ................................................................................................. 58
70-9 - Maintenance Hole Modification and Rehabilitation ................................... 58
70-9-1.01 General ............................................................................................... 58
70-9-1.02 Quality Assurance ............................................................................... 58
70-9-1.03 Submittals ........................................................................................... 59
70-9-1.04 Delivery, Storage, and Handling ......................................................... 59
70-9-1.05 Safety .................................................................................................. 59
70-9-1.06 Products .............................................................................................. 60
70-9-1.07 Construction ........................................................................................ 60
SECTION 71 - SANITARY SEWERS AND STORM SEWERS 63
71-1.02J Welded Steel Casing Pipe .................................................................... 63
71-1.02K Pipe Accessories ................................................................................. 63
71-1.05A Welded Steel Casing Pipe Installation ................................................. 64
71-1.05A(1) Casing Spacer ................................................................................. 64
71-1.05A(2) Casing End Seal .............................................................................. 64
71-1.05A(3) Sand Backfill for Annular Space in Steel Casing ............................. 64
71-1.06G Welded Steel Pipe Joint ...................................................................... 66
DIVISION VIII MISCELLANEOUS CONSTRUCTION 66
SECTION 73 - CONCRETE CURBS AND SIDEWALKS 66
73-1.01 Concrete Curbs, Sidewalks, and Wheelchair Ramps ............................. 66
SECTION 74 - BYPASS PUMPING 68
74-1.01 Summary ................................................................................................ 68
74-1.02 Submittals .............................................................................................. 69
74-1.03 Sewage Flow Volume ............................................................................ 70
74-1.04 Primary Flow Control Pumps and Generators ........................................ 70
74-1.05 Sewage Flow Control Piping .................................................................. 70
74-1.06 Temporary Bulkheads and Plugs ........................................................... 71
74-1.07 Standby Equipment ................................................................................ 71
74-1.08 Environmental Protection ....................................................................... 72
74-1.09 Pipe Protection Equipment ..................................................................... 72
74-1.10 Monitoring and Supervision of Sewage Flow Control System ................ 72
74-1.11 Noise Control ......................................................................................... 72
74-1.12 Odor Control .......................................................................................... 72
74-1.13 Pedestrian and Vehicular Access........................................................... 73
74-1.14 Sewage Flow Control and Diversion ...................................................... 73
74-1.15 Payment ................................................................................................. 75
SECTION 75 - MISCELLANEOUS METALS 75
75-1 Miscellaneous Iron And Steel ...................................................................... 75
SECTION 79 - SANITARY SEWER INSTALLATION BY BORE AND JACK 75
79-1.01 Quality Assurance .................................................................................. 75
79-1.02 Design Requirements ............................................................................. 75
79-1.03 Submittals .............................................................................................. 76
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79-1.04 Safety Requirements .............................................................................. 78
79-1.05 Jacking System ...................................................................................... 78
79-1.06 Guidance System and Alignment Control .............................................. 79
79-1.07 Annular Space Lubrication ..................................................................... 79
79-1.08 Pressure or Contact Grouting ................................................................ 79
79-1.09 Preparation ............................................................................................ 79
79-1.10 Excavating Jacking and Receiving Pits .................................................. 79
79-1.11 Installation .............................................................................................. 80
79-1.12 Grade Tolerance .................................................................................... 82
79-1.13 Debris Disposal ...................................................................................... 82
SECTION 90 - CONCRETE 82
90-1.01 Minor Concrete ...................................................................................... 82
APPENDIX A - PERMITS
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DIVISION I GENERAL PROVISIONS
SECTION 1 - SPECIFICATIONS AND PLANS
1-1.01 Specifications
The work described herein shall be done in accordance with the current City of Stockton,
Department of Public Works Standard Specifications and Plans, and the latest Editions
of the State of California, Department of Transportation Standard Specifications and
Standard Plans, California MUTCD, as referenced therein, and in accordance with the
following Special Provisions. To the extent the California Department of Transportation
Standard Specifications implement the STATE CONTRACT ACT, (or certain provisions
of the Public Contracts code which are inapplicable to charter cities) they shall not be
applicable.
Should it appear that the work to be done or any of the matters relative thereto are not
sufficiently detailed or explained in these specifications, the special provisions, or the
plans, the contractor shall apply to the Engineer in writing for such further explanations
as may be necessary and shall conform to them as part of the contract. In the event of
any doubt or question arising respecting the true meaning of these specifications, the
special provisions or the plans, reference shall be made to the Engineer, whose decision
thereon shall be final.
1-1.02 Plans
The bidder's attention is directed to the provisions in Section 1-1.03 "Definitions", of the
Standard Specifications and Section 1-1.07 "Definitions", of the Caltrans Specifications.
1-1.03 Terms and Definitions
Wherever in the Standard Specifications, Special Provisions, Notice to Contractors,
Proposal, Contract, or other contract documents the following terms are used, the intent
and meaning shall be interpreted as follows:
City or Owner - City of Stockton
Director - Director of Public Works, City of Stockton
Standard Specifications - Current City of Stockton, Standard Plans and
Specifications, inclusive of all current revisions, and
amendments, unless otherwise stated.
Caltrans Specifications - State of California, Department of Transportation,
Current Standard Plans and Specifications, inclusive of
all current revisions, and amendments, unless
otherwise stated.
Laboratory - City of Stockton Department of Public Works
Laboratory or consultant's laboratory
Department - Department of Public Works, City of Stockton
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Engineer - City Engineer, City of Stockton, acting either directly or
through properly authorized Engineer agents and
consultants
California MUTCD Latest edition of California Manual on Uniform Traffic
Control Devices (MUTCD), and any amendments and
revisions thereto.
SECTION 2 - BIDDING AND BID PROTESTS
2-1.01 General
The bidder's attention is directed to the "Notice to Bidder's" for the date, time and location
of the mandatory pre-bid meeting, if applicable. Refer to the City of Stockton's Bid Flash
webpage: http://www.stocktongov.com/services/business/bidflash/default.html
The bidder's attention is directed to the provisions in Section 2, "Bidding," of the Standard
Specifications and these special provisions for the requirements and conditions which the
bidder must observe in the preparation of the proposal form and the submission of the
bid.
In conformance with Public Contract Code Section 7106, a Non-Collusion Affidavit is
included in the Proposal. Signing the Proposal shall also constitute signature of the Non-
Collusion Affidavit.
2-1.02 Bid Protests
In case of Bid protests, attention is directed to the provisions in Section 2-1.51, "Bid
Protests" of the Standard Specifications. The party filing the protest must have submitted
a bid for the work. A subcontractor of a bidder may not submit a bid protest.
A copy of bid protests shall be sent to the following address:
Attention: Ray Deyto
City of Stockton
Public Works Department
22 E. Weber Avenue, Room 301
Stockton, CA 95202
2-1.03 Contract Bonds
The bidder's attention is directed to the provisions in Section 1-1.03, "Definitions" of the
Standard Specifications and Plans.
SECTION 3 - CONTRACT AWARD AND EXECUTION
3-1.01 Contract Bonds
Contract Bonds shall conform to the requirements set forth in Section 3-1.05, "Contract
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Bonds", of the Standard Specifications, except for the second paragraph which shall be
replaced with the following:
"The Faithful Performance bond will be retained by the City of Stockton for twelve (12)
months following recordation of the Notice of Completion (or partial completion) to
guarantee correction of failure attributed to workmanship and materials. Upon recordation
of the Notice of Completion (or partial completion), the amount of the Faithful
Performance bond may be reduced to ten percent (10%) of the actual cost of the
constructed improvements".
3-1.02 Contract Execution
The contract shall be executed by the successful bidder and shall be returned, together
with the contract bonds, to the Agency so that it is received within 10 days, not including
Saturdays, Sundays and legal holidays, after the bidder has received the contract for
execution. Failure to do so shall be just cause for forfeiture of the proposal guaranty. The
executed contract documents shall be delivered to:
City of Stockton
Public Works Department
Attn: Ray Deyto
22 E. Weber Avenue, Room 301
Stockton, CA 95202
The bidder's attention is directed to the provisions in Section 3, "Contract Award and
Execution," of the Standard Specifications and these Special Provisions.
Bidders and subcontractors are required to be available the day of bid opening to answer
questions.
The award of the contract, if it be awarded, will be to the lowest responsible bidder whose
proposal complies with all the requirements prescribed.
If the City awards the Contract, the award is made to the lowest responsible bidder within
90 days after the day of the bid opening.
SECTION 4 - SCOPE OF WORK
Attention is directed to the provisions in Section 4, "Scope of Work" of the Caltrans
Specifications, Standard Specification, and these Special Provisions.
At no time shall construction begin without receiving notice that the contract has been
approved by the City Attorney or an authorized representative. The Contractor shall
follow the sequence of construction and progress of work as specified in Section 10-1.01,
"Order of Work", of these Special Provisions.
The Contractor shall diligently prosecute all work items to completion.
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Full compensation for any additional costs occasioned by compliance with the provisions
in this section shall be considered as included in the prices paid for the various contract
items of work, and no additional work compensation will be allowed therefore.
Bidders will be required to carefully examine these special provisions and attachments to
judge for themselves as to the nature of the work to be done and the general conditions
relative thereto and the submission of a proposal hereunder shall be considered prima-
facie evidence that the bidder has made the necessary investigation and is satisfied with
respect to the conditions to be encountered, the character, quantity and quality of the
work performed. For work to be completed, contractors are advised to visit and review
the job site prior to the submission of their bid. Bids not presented on the City forms shall
be cause for considering the bid as non-responsive.
Bidders must be thoroughly competent and capable of satisfactorily performing the work
covered by the proposal, and when requested shall furnish such statements relative to
previous experience on similar work, the plan or procedure proposed, and the
organization and the equipment available for the contemplated work, and any other as
may be deemed necessary by the City Engineer in determining such competence and
capability.
It shall be understood that the Contractor shall be required to perform and complete the
proposed work in a thorough and diligent manner, and to furnish and provide in
connection therewith all necessary labor, tools, implements, equipment, materials and
supplies. The Contractor is responsible to take all necessary precautions and use best
practices in the industry to perform all work require completing the project.
SECTION 5 - CONTROL OF WORK
Attention is directed to the Instruction to Bidders, provisions in Section 5 "Control Work"
of the Caltrans Specifications, Standard Specification and these special provisions.
5-1.01 Contract Components
Attention is directed to the provisions in Section 5-1.02, "Contract Components" of the
Standard Specifications. If a discrepancy found or confusion arises, submit a Request
for Information (RFI).
In case of conflict or discrepancy between any of the Contract Documents, the order of
documents listed below shall be the order of precedence, with the first item listed having
the highest precedence.
1. Contract Change Order (changes last in time are first in precedence)
2. Addenda to Contract Agreement
3. Contract Agreement
4. Permits
5. Notice Inviting Bids and Instructions to Bidders
6. Addenda and Letters of Clarification
7. Special Provisions
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