HomeMy WebLinkAbout1997-08-26; City Council; Resolution 97-565' I1 x * 0
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RESOLUTION NO. 97-565
A RESOLUTION OF CITY COUNCIL OF THE CITY OF
CARLSBAD, CALIFORNIA, FOR APPROVING AN AGREEMENT
PROVIDE A GEOTECHNICAL INVESTIGATION FOR
VISTNCARLSBAD INTERCEPTOR SEWER, CMWD PROJECT
PROJECT, CONTRACT NO. 31821/35281
WITH WOODWARD-CLYDE INTERNATIONAL-AMERICAS TO
NO. 91-403 AND SOUTH CARLSBAD VILLAGE STORM DRAIN
WHEREAS, proposals were requested to provide a geotechnical investigation for
Vista/Carlsbad Interceptor Sewer and South Carlsbad Village Storm Drain and recei
responses from Ninyo and Moore, Kleinfelder, Woodward-Clyde International-Americas, i
after review of proposals, the staff recommended Woodward-Clyde International-Americ
based on an evaluation of their experience and expertise in the field of geotechn
investigations; and
WHEREAS, the City Council of the City of Carlsbad, California, has determinec
necessary and in the public interest for approval and acceptance of a proposal from Woodwa
Clyde International-Americas to provide a geotechnical investigation for VistalCarlsk
Interceptor Sewer, CMWD Project No. 91-403 and South Carlsbad Village Storm Drain Projc
Contract No. 31821/35281; and
WHEREAS, funds appropriated in the amount of $3,000,000 have be
appropriated in the 1997-98 budget for the Vista/Carlsbad Interceptor Sewer and the projc
cost estimated for the interceptor sewer portion of the geotechnical investigation is $73,630 a
$6,259 for contingencies, therefore, there are sufficient funds available for this project; and
WHEREAS, the City of Carlsbad is responsible for $30,415 and will be reimburs
$43,215 by the City of Vista; and
WHEREAS, funds in the amount of $940,000 have been appropriated in the 1997-
budget for the South Carlsbad Village Storm Drain Project, and the project cost estimated
the storm drain project portion of the geotechnical investigation is $51,680 and $6,250 f
contingencies, therefore, there are sufficient funds available for this project;
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WHEREAS, the amount of $79,880 shall be appropriated from the Vista/Carlsbz
Interceptor Sewer fund and the amount of $57,930 shall be appropriated from the Sou
Carlsbad Village Storm Drain fund; and
NOW, THEREFORE, BE IT RESOLVEDl by the City Council of the City
Carlsbad, California, as follows:
1. That the above recitations are true and correct.
2. That the attached agreement between Woodward-Clyde International-Arneric;
and the City of Carlsbad to provide a geotechnical investigation associated with tf
Vista/Carlsbad Interceptor Sewer and the South Carlsbad Village Storm Drain projects I:
approved and accepted.
3. That the Mayor is authorized and directed to execute the proposed agreemel
between Woodward-Clyde International-Americas and the City of Carlsbad.
PASSED, APPROVED, AND ADOPTED at a regular meeting of the City Council of th
City of Carlsbad held on 26th day of August l 1997, by the following vote to wit:
AYES: Council Members Lewis, Finnila, Nygaard, and Hall
NOES: None
ABSENT: Council Member Kulchin
ATTEST:
ALETHA bk- L. RAUTENKRANZ, Q- City Clerk
(SEAL)
~ CMWD 91-403
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AGREEMENT
THIS AGREEMENT is made and entered into as of the /z4' day of
&uq~ 54 , 19"/z by and between the CITY OF CARLSBAD, a municipal
corporation, hereinafter referred to as "City", and Woodward-Clvde International-
Americas, hereinafter referred to as "Contractor."
RECITALS
City requires the services of a Geotechnical Contractor to
provide the necessary geotechnical services for preparation of
a qestechnical investiaation; and Contractor possesses the necessary skills and
qualifications to provide the services required by the City;
NOW, THEREFORE, in consideration of these recitals and the mutual covenants
contained herein, City and Contractor agree as follows:
I. CONTRACTOR'S OBLIGATIONS
The Contractor's obligations are outlined in Exhibit "A" and Exhibit "B".
rev. 8/26/96
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2. CITY OBLIGATIONS
The City shall:
A. Provide Contractor, in writing, all information relating to City's
requirements for the project;
B. Notify Contractor of any potential hazardous substances or health
and safety hazard or condition know to City existing on or near
the project site;
C. Give Contractor prompt written notice of any suspected
deficiency in the Services; and,
D. With reasonable promptness, provide required approvals and
decisions.
3. PROGRESS AND COMPLETION
The work under this contract will begin within ten (IO) days after receipt of
notification to proceed by the City Engineer or designee and be completed within
ninetv (90) days of that date. Extensions of time may be granted if requested by the
Contractor and agreed to in writing by the City Engineer or designee. The City
Engineer or designee will give allowance for documented and substantiated
unforeseeable and unavoidable delays not caused by a lack of foresight on the part of
the Contractor, or delays caused by City inaction or other agencies' lack of timely
action.
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rev. 8/26/9E
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4. FEES TO BE PAID TO CONTRACTOR
The total fee payable for the services to be performed shall be one hundred
twenty-five thousand, three hundred ten dollars ($125.310.) No other
compensation for services will be allowed except those items covered by supplemental
agreements per Paragraph 8, "Changes in Work." The City reserves the right to
withhold a ten percent (10%) retention until the project has been accepted by the City.
Incremental payments, if applicable, should be made as outlined in attached .
Exhibit "A."
5. DURATION OF CONTRACT
This agreement shall extend for a period of ninetv (90) davs from date thereof.
The contract may be extended by the City Manager for not-awlicable additional one
(1) year periods or parts thereof, based upon a review of satisfactory performance and
the City's needs. The parties shall prepare extensions in writing indicating effective date
and length of the extended contract.
6. PAYMENT OF FEES
Payment of approved items on the invoice shall be mailed to the Contractor
within 30 days of receipt of the invoice.
7. FINAL SUBMISSIONS
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Within fourteen (141 days of completion and approval of the Draft Geotechnical
ReDort, the Contractor shall deliver to the City the following items:
Six (6) copies of the Final Geotechnical Investigation and all Attachments.
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8. CHANGES IN WORK
If, in the course of the contract, changes seem merited by the Contractor or the
City, and informal consultations with the other party indicate that a change in the
conditions of the contract is warranted, the Contractor or the City may request a change
in contract. Such changes shall be processed by the City in the following manner: A
letter outlining the required changes shall be forwarded to the City by Contractor to
inform them of the proposed changes along with a statement of estimated changes in
charges or time schedule. A Standard Amendment to Agreement shall be prepared by
the City and approved by the City according to the procedures described in Carlsbad
Municipal Code Section 3.28.172. Such Amendment to Agreement shall not render
ineffective or invalidate unaffected portions of the agreement.
9. COVENANTS AGAINST CONTINGENT FEES
The Contractor warrants that their firm has not employed or retained any
company or person, other than a bona fide employee working for the Contractor, to
solicit or secure this agreement, and that Contractor has not paid or agreed to pay any
company or person, other than a bona fide employee, any fee, commission,
percentage, brokerage fee, gift, or any other consideration contingent upon, or resulting
from, the award or making of this agreement. For breach or violation of this warranty,
the City shall have the right to annul this agreement without liability, or, in its discretion,
to deduct from the agreement price or consideration, or otherwise recover, the full
amount of such fee, commission, percentage, brokerage fees, gift, or contingent fee.
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IO. NONDISCRIMINATION CLAUSE
The Contractor shall comply with the state and federal laws regarding
nondiscrimination.
11. TERMINATION OF CONTRACT
In the event of the Contractor's failure to prosecute, deliver, or perform the work
as provided for in this contract, the City Manager may terminate this contract for
nonperformance by notifying the Contractor by certified mail of the termination of the
Contractor. The Contractor, thereupon, has five (5) working days to deliver said
documents owned by the City and all work in progress to the District Enaineer. The
District Enaineer shalt make a determination of fact based upon the documents
delivered to City of the percentage of work which the Contractor has performed which is
usable and of worth to the City in having the contract completed. Based upon that
finding as reported to the City Manager, the Manager shall determine the final payment
of the contract.
This agreement may be terminated by either party upon tendering thirty (30)
days written notice to the other party. In the event of such suspension or termination,
upon request of the City, the Contractor shall assemble the work product and put same
in order for proper filing and closing and deliver said product to City. In the event 01
termination, the Contractor shall be paid for work performed to the termination date:
however, the total shall not exceed the lump sum fee payable under paragraph 4. The
City Manager shall make the final determination as to the portions of tasks completec
and the compensation to be made.
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12. DISPUTES
If a dispute should arise regarding the performance of work under this
agreement, the following procedure shall be used to resolve any question of fact or
interpretation not otherwise settled by agreement between parties. Such questions, if
they become identified as a part of a dispute among persons operating under the
provisions of this contract, shall be reduced to writing by the principal of the Contractor
or the City Engineer or designee. A copy of such documented dispute shall be
forwarded to both parties involved along with recommended methods of resolution
which would be of benefit to both parties. The City Engineer or designee or principal
receiving the letter shall reply to the letter along with a recommended method of
resolution within ten (IO) days. If the resolution thus obtained is unsatisfactory to the
aggrieved party, a letter outlining the dispute shall be forwarded to the City Council for
their resolution through the Office of the City Manager. The City Council may then opt
to consider the directed solution to the problem. In such cases, the action of the City
Council shall be binding, upon the parties involved, although nothing in this procedure
shall prohibit the parties seeking remedies available to them at law.
13. CLAIMS AND LAWSUITS
The Contractor agrees that any contract claim submitted to the City must be
asserted as part of the contract process as set forth in this agreement and not in
anticipation of litigation or in conjunction with litigation. The Contractor acknowledges
that if a false claim is submitted to the City, it may be considered fraud and the
Contractor may be subject to criminal prosecution. The Contractor acknowledges that
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California Government Code sections 12650 et sea., the False Claims Act, provides for
civil penalties where a person knowingly submits a false claim to a public entity. These
provisions include false claims made with deliberate ignorance of the false information
or in reckless disregard of the truth or falsity of information. If the City of Carlsbad seeks
to recover penalties pursuant to the False Claims Act, it is entitled to recover its
litigation costs, including attorney's fees. The Contractor acknowledges that the filing of
a false claim may subject the Contractor to an administrative debarment proceeding
wherein the Contractor may be prevented to act as a Contractor on any public work or
improvement for a period of up to five years. The Contractor acknowledges debarment
by another jurisdiction is grounds for the City of Carlsbad to disqualify the Contractor
from the selection process. 'm
The provisions of Carlsbad Municipal Code sections 3.32.025, 3.32.026,
3.32.027 and 3.32.028 pertaining to false claims are incorporated herein by reference.
@ &(Initial)
14. STATUS OF THE CONTRACTOR
The Contractor shall perform the services provided for herein in Contractor's own
way as an independent Contractor and in pursuit of Contractor's independent calling,
and not as an employee of the City. Contractor shall be under control of the City only
as to the result to be accomplished, but shall consult with the City as provided for in the
request for proposal. The persons used by the Contractor to provide services under this
agreement shall not be considered employees of the City for any purposes whatsoever.
The Contractor is an independent Contractor of the City. The payment made to
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the Contractor pursuant to the contract shall be the full and complete compensation to
which the Contractor is entitled. The City shall not make any federal or state tax
withholdings on behalf of the Contractor or hidher employees or subcontractors. The
City shall not be required to pay any workers' compensation insurance or
unemployment contributions on behalf of the Contractor or hidher employees or
subcontractors. The Contractor agrees to indemnify the City and the Carlsbad
Municipal Water District within 30 days for any tax, retirement contribution, social
security, overtime payment, unemployment payment or workers' compensation
payment which the City and the Carlsbad Municipal Water District may be required to
make on behalf of the Contractor or any employee or subcontractor of the Contractor
for work done under this agreement or such indemnification amount may be deducted
by the City and the Carlsbad Municipal Water District from any balance owing to the
Contractor.
The Contractor shall be aware of the requirements of the Immigration Reform
and Control Act of 1986 and shall comply with those requirements, including, but not
limited to, verifying the eligibility for employment of all agents, employees,
subcontractors and Consultants that are included in this agreement.
15. CONFORMITY TO LEGAL REQUIREMENTS
The Contractor shall cause all drawings and specifications to conform to all
applicable requirements of law: federal, state and local. Contractor shall provide all
necessary supporting documents, to be filed with any agencies whose approval is
necessary.
rev. 8126196
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The City will provide copies of the approved plans to any other agencies.
16. OWNERSHIP OF DOCUMENTS
All plans, studies, sketches, drawings, reports, and specifications as herein
required are the property of the City, whether the work for which they are made be
executed or not. In the event this contract is terminated, all documents, plans,
specifications, drawings, reports, and studies shall be delivered forthwith to the City.
Contractor shall have the right to make one (1) copy of the plans for hidher records.
17. REPRODUCTION RIGHTS
The Contractor agrees that all copyrights which arise from creation of the work
pursuant to this contract shall be vested in City and hereby agrees to relinquish all
claims to such copyrights in favor of City.
18. HOLD HARMLESS AGREEMENT
Contractor agrees to indemnify and hold harmless the City of Carlsbad and the
Carlsbad Municipal Water District and its officers, officials, employees and volunteers
from and against all claims, damages, losses and expenses including attorney fees
arising out of the performance of the work described herein caused in whole or in part
by any willful misconduct or negligent act or omission of the Contractor, any
subcontractor, anyone directly or indirectly employed by any of them or anyone for
whose acts any of them may be liable, except where caused by the active negligence,
sole negligence, or willful misconduct of the City of Carlsbad and the Carlsbad
Municipal Water District.
Contractor shall at its own expense, upon written request by the City and the
rev. 8/26/96
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Carlsbad Municipal Water District, defend any such suit or action brought against the
City and the Carlsbad Municipal Water District, its officers, officials, employees and
volunteers. Contractors indemnification of City and the Carlsbad Municipal Water
District shall not be limited by any prior or subsequent declaration by the Contractor.
19. ASSIGNMENT OF CONTRACT
The Contractor shall not assign this contract or any part thereof or any monies
due thereunder without the prior written consent of the City.
20. SUBCONTRACTING
If the Contractor shall subcontract any of the work to be performed under this
contract by the Contractor, Contractor shall be fully responsible to the City for the acts
and omissions of Contractor's subcontractor and of the persons either directly or
indirectly employed by the subcontractor, as Contractor is for the acts and omissions of
persons directly employed by Contractor. Nothing contained in this contract shall
create any contractual relationship between any subcontractor of Contractor and the
City. The Contractor shall bind every subcontractor and every subcontractor of a
subcontractor by the terms of this contract applicable to Contractor's work unless
specifically noted to the contrary in the subcontract in question approved in writing by
the City.
21. PROHIBITED INTEREST
No official of the City who is authorized in such capacity on behalf of the City to
negotiate, make, accept, or approve, or take part in negotiating, making, accepting, 01
approving of this agreement, shall become directly or indirectly interested personally ir
rev. 8/26/96
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this contract or in any part thereof. No officer or employee of the City who is authorized
in such capacity and on behalf of the City to exercise any executive, supervisory, or
similar functions in connection with the performance of this contract shall become
directly or indirectly interested personally in this contract or any part thereof.
22. VERBAL AGREEMENT OR CONVERSATION
No verbal agreement or conversation with any officer, agent, or employee of the
City, either before, during or after the execution of this contract, shall affect or modify
any of the terms or obligations herein contained nor entitle the Contractor to any
additional payment whatsoever under the terms of this contract.
23. SUCCESSORS OR ASSIGNS
Subject to the provisions of Paragraph 18, "Hold Harmless Agreement," all
terms, conditions, and provisions hereof shall inure to and shall bind each of the parties
hereto, and each of their respective heirs, executors, administrators, successors, and
assigns.
24. EFFECTIVE DATE
This agreement shall be effective on and from the day and year first written
above.
25. CONFLICT OF INTEREST
The City has determined, using the guidelines of the Political Reform Act and the
City's conflict of interest code, that the Contractor will not be required to file a conflict of
interest statement as a requirement of this agreement. However, Contractor hereby
acknowledges that Contractor has the legal responsibility for complying with the
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Political Reform Act and nothing. in this agreement releases Contractor from this
responsibility.
26. INSURANCE
The Contractor shall obtain and maintain for the duration of the contract and any
and all amendments insurance against claims for injuries to persons or damage to
property which may arise out of or in connection with performance of the work
hereunder by the Contractor, his agents, representatives, employees or subcontractors.
Said insurance shall be obtained from an insurance carrier admitted and authorized to
do business in the State of California. The insurance carrier is required to have a
current Best's Key Rating of not less than "A-:V" and shall meet the City's policy for
insurance as stated in Resolution No. 91-403.
A. Coveraaes and Limits.
Contractor shall maintain the types of coverages and minimum limits
indicated herein, unless a lower amount is approved by the City Attorney or City
Manager:
1. Comprehensive General Liability Insurance. $1,000,000 combined
single-limit per occurrence for bodily injury, personal injury and property damage. If the
submitted policies contain aggregate limits, general aggregate limits shall apply
separately to the work under this contract or the general aggregate shall be twice the
required per occurrence limit.
2. Automobile Liability (if the use of an automobile is involved for
Contractor's work for the City). $1,000,000 combined single-limit per accident for bodily
rev. 8/26/96
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injury and property damage.
3. Workers' Compensation and Employer's Liability. Workers'
Compensation limits as required by the Labor Code of the State of California and
Employer's Liability limits of $1,000,000 per accident for bodily injury.
4. Professional Liability. Errors and omissions liability appropriate to
the contractor's profession with limits of not less than $1,000,000 per claim. Coverage
shail be maintained for a period of five years following the date of completion of the
work.
B. Additional Provisions.
Contractor shall ensure that the policies of insurance required under this
agreement contain, or are endorsed to contain, the following provisions.
1. The City and the Carlsbad Municipal Water District shall be named
as an additional insured on all policies excluding Workers' Compensation and
Professional Liability.
2. The Contractor shall furnish certificates of insurance to the City
before commencement of work.
3. The Contractor shall obtain occurrence coverage, excluding
Professional Liability which shall be written as claims-made coverage.
4. This insurance shall be in force during the life of the agreement and
any extension thereof and shall not be canceled without 30 days prior written notice to
the City sent by certified mail.
5. If the Contractor fails to maintain any of the insurance coverages
rev. 8126/96
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required herein, then the City will have the option to declare the Contractor in breach, or
may purchase replacement insurance or pay the premiums that are due on existing
policies in order that the required coverages may be maintained. The Contractor is
responsible for any payments made by the City to obtain or maintain such insurance
and the City may collect the same from the Contractor or deduct the amount paid from
any sums due the Contractor under this agreement.
27. RESPONSIBLE PARTIES
The name of the persons who are authorized to give written notices or to receive
written notice on behalf of the City and on behalf of the Contractor in connection with
the foregoing are as follows:
For City:
For Contractor:
Title William E. Plummer. District Enaineer
Name Carlsbad Municipal Water District
Address 5950 El Camino Real
Carlsbad, California 92008
Title Le ,@ #!M///< ,I& /%5fdmT
Name Woodward-Clvde Consultants
Address 1615 Murrav Canvon Road
San Dieqo. California 92108
Architecvlicense Number: CE 18577
ArchitectlLicense Number: e 31 ?x
rev. 8/26/96
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28. BUSINESS LICENSE
Contractor shall obtain and maintain a City of Carlsbad Business License for the
duration of the contract.
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Ill
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rev. 8/26/96
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29. ENTIRE AGREEMENT
This agreement, together with any other written document referred to or
contemplated herein, embody the entire agreement and understanding between the
parties relating to the subject matter hereof. Neither this agreement nor any provision
hereof may be amended, modified, waived or discharged except by an instrument in
writing executed by the party against which enforcement of such amendment, waiver or
discharge is sought.
Executed by Contractor this /z* day of
CONTRACTOR:
AMERICAS
WOODWARD-CLYDE INTERNATIONAL
By:
(sign here)
~ )i hikj z I /?[fly c.ic A</ ,L* 7
(prinfname/title)
n
2? c $4-
ALETHA L. RAUTENKRANZ City Clerk
(Proper notariai acknowledgment of execution by Contractor must be attached.)
(President or vice-president and secretary or assistant secretary must sign for corporations. If only one
officer signs, the corporation must attach a resolution certified by the secretary or assistant secretary under corporate seal empowering that officer to bind the corporation.)
APPROVED AS TO FORM:
RONALD R. BALL
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STATE OF L OWLADD 1
COUNTY OFhddM i ss.
On Qkq. 13, \q9~ beforeme, [LSLIE S. d~~d, NQfaXy Rb/li " DATE NAMC AND TITLE dF OFFICER
personally appeared 3av-i d T- Bl*nq; t L
NAME(S) OF SIGNER(S) H personally known to me - OR - proved to me on the basis of satisfactory evidence to be the person(s)
name(s) is/are subscribed to the within instrument and acknowledged to me that he/she/they executed the Si
his/her/their authorized capacity(ies), and that by his/her/their signature(s) on the instrument the person(s), or tht
upon behalf of which the person(s) acted, executed the instrument.
WITNESS my hand and official seal.
My Commission Expbw DECEMBER 221-
Title or Type of Document WRt
Date of Document u- la! 1993 NO. of Pages I 4
Signer(s) other than named above b 3. kl-d & I k
I
CMWD
0611 41
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STATE OF CALIFORNIA 1
COUNTY OF
>ss.
On 0 - \a-Q? DATE before me, / cYu+9&
NAME AND TITLE OF OFFICER
personally appeared
hAME(S) OF SIGNER(S)
personally known to me - OR - '* proved to me on the basis of satisfactory evidence to be the person(s) whose n
is/are subscribed to the within instrument and acknowledged to me that he/she/they executed the same in his/h
authorized capacity(ies), and that by his/her/their signature(s) on the instrument the person(s), or the entity upon b
which the person(s) acted, executed the instrument.
WITNESS my hand and official seal.
m \ m \
I""- i pnB >;-
(This area for official notary seal.)
Title or Type of Document /?e*&- * "Heepc flh3'-
Date of Document B -12 - 7 7 NO. of Pages /T
Signer(s) other than named above
I
CMWD 91 -403
06/14
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'SECTIONTWO
2.1 TECHNICAL
APPROACH
It will be necessary to
give consideration to
pipeline construction
using trenchless
technology wherever the
conditions appear
favorable.
Trenchless technology
for piperine installatwn
includes microtunneling,
pipejacking, and
conventional tunneling.
2.2 SCOPE OF WORK
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Project ADuteach
The basic approach for the proposed geotechnical investigation
will consist of several tiers of inter-related study which will bring
together the tasks described in the scope of work. Initially, it will
be important to expand our understanding of the entire project as it
reiates to physical requirements and limitations in layout design,
construction methods, and other project constraints.
For OUT work, we will implement a strategy for the subsurface
explorations along the pipeline alignments utilizing existing geo-
logic infomation, cone penetrometer test (CPT) soundings. and
conventional borings. Geotechnical and analytical laboratory
testing will be performed to characterize both soil and ground-
water. Groundwater sampling will be performed using a Hydro-
PunchfM. Groundwater dewatering pump tests will be performed
to evaluate hydraulic characteristics for construction dewatering.
We understand that conventional cut and cover construction may
be planned for much of the pipeiine alignments. However, due to
the presence of existing buried utilities, street and property
improvements, vehicular and railroad MIC, potential safety haz-
ards, groundwater conditions, public perceptions, and other vital
factors. It will be necessary to give consideration to pipeline con-
struction using trenchless technology wherever the conditions
appear favorable.
Trenchless technology for pipeline installation includes micro-
tunneling, pipejacking, and conventional tunneling. Each method
of trenchless construction has its own advantages and disadvan-
tages. In general, these methods are considered quite favorable
when dealing with shallow groundwater conditions; limiting expo-
sure to potential sources of subsurface contamination; reducing or
eliminating groundwater dewatering, trench excavation, soil
stockpiling, shoring, and trench backfill; and eliminating surface
settlements. Use of trenchless technology also reduces the safety
risk to the public by not having open trenches and by not having
heavy equipment interfere with traffic flow.
Woodward-Clyde will provide the necessary personnel. equipment.
and materials to review available information. prepare a work plan.
perfom subsurface eypiorations. laboratory testing. and geotech-
nical engineering mai>.ses for the projzct as detailed in [he RFP.
To fulfill the objectives stated above. our scope of v.cJrk ..$ill
include the following tasks lvhich are discussed in detail belo\\
W \97S!C2W'PRCP.B-P OOC'€-jun8TSDG 2- 1
.SECTIONTWO 0 0 Project Approach
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Task 1 - Data Review. Field Reconnaissance and Work Plan
Data Review
0 Field Recomiaissance
Work Plan
Task 2 - Subsurface Exploration
CPT Soundings
0 Hydro-Punch Groundwater Sampling
0 Hollow Stem Auger Borings
Tasks 3 and 4 - Geotechnical and Analytical Laboratory Testing
0 Geotechnical Laboratory Testing
0 Analytical Soil and Groundwater Testing
Task 5 - Groundwater Dewatering Pump Testing
0 Design Wells and Pump Tests
0 Obtain Permits
0 Install and Develop Wells
0 Geophysical Logging of Wells
0 Perform Pump Tests
0 Abandon Wells
Task 6 - Engineering Analyses
0 Subsurface Soil Profiles
Geologic Hazards
0 Groundwater Conditions
0 Construction Dewatering
0 Preliminary Contamination Screening
0 Soil Conosivity
0 Remedial Earthwork Measures (not including contamination)
0 Earthwork Specifications
Trench Excavations and Shoring
0 Pipe on Slope Stabilization Measures
Trenchless Technology Considerations
0 Pipe Forces and Settlements
0 Pavements
Tasks 7 through 10 - Report, Design Consultation, Plans and
Draft Report
Finai Report
0 Design Consultation
0 Plans and Specifications Review
0 Pre-Bid Conference
"
Specification Review and Pre-Bid Conference
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' SECTIONTWO 0 e Project llpproach
Woodward-Clyde has
performed geotechnical
engineering services for
over 62projects within a
1-mile radius of the
proposed pipeiine
alignments including
both Carlsbad Boulevard
seawalls and streetfwater
system improvements in
downtown Carlsbad
Woodward-Clyde will
provide a fieid work plan
for the CMWD's, City's,
and railroad owner'
review and approval,
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2.2.1 Task 1 - Data Review, Field Reconnaissance and Work
Woodwrd-Clyde has performed geotechnical engineering services
for over 12 projects within a 1 -mile radius of the proposed pipeline
alignments including both Carlsbad Boulevard seawalls and
streedwater system improvements in downtown Carlsbad. We will
review our project files for information pertinent to the project
area. In addition, Woodward-Clyde will review other information
provided by the CMWD and City including background data,
geologic and topographic maps, aerial photographs, plans,
geotechnical reports for adjacent properties, and records of derail-
ments and accidents in the railroad right-of-way which may have
resulted in surface and subsurface contamination. Woodward-
Clyde will also perform a field reconnaissance to identify surface
conditions and site access for subsurface exploration equipment.
Woodward-Clyde will provide a field work plan for the CMWD's,
City's, and railroad owner's review and approval. The field work
plan Nil1 include: utility clearance requirements; subsurface explo-
ration locations. types and depths; proposed groundwater observa-
tion, sampling. and pump testing methods; geophysical testing
methods; and other vital planning information.
For our work, we will prepare traftic control plans, obtain neces-
sary exploration permits, street encroachment permits, and NPDES
permits for discharge of water from groundwater dewatering pump
tests. We plan to perform all exploration within public streets and
the railroad right-of-way. Hence, the only right-of-entry permis-
sion required for our work will be from the railroad owner. We
have assumed that the CMWD will provide direct payment to the
North County Transit District for any inspection services required
for work ~ith in the railroad right-of-way. We have also assumed -
that fees for the traffic control plan and street encroachment per-
mits will be waived bv the CMWD and City. In addition, we have
assumed that no contamination will be present in areas of ground-
water dewatering pump testing. Upon acquisition of necessary
permits. Woodward-Clyde will notify Underground Service Alert
to coordinate clearance of boring locations with respect to under-
ground utilities and subsurface structures. If necessary, boring
locations \vi11 be adjustcd to avoid utility conflicts.
Plan
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Planned subsurface
explorations will include
23 CPT soundings and
I I small diameter hollow
stem auger borings.
The CPT soundings will
provide a continuous
record of material
classification and
strength.
112 will sample
groundwater in 6
locations using a CPT
rig-mounted Hydro-
PunchTM.
2.2.2 Task 2 - Subsurface Exploration
Available geologic information indicates that the project area is
generally underlain by 15 to 20 feet of poorly consolidated Pleisto-
cene age sandy terrace deposits which in turn is underlain by very
dense indurated Eocene age sandstone and siltstone of the Santiago
Formation. The pipeline alignment ground surface and contact
between these geologic units have a relatively uniform dipping
inclination of about 1 to 2 percent to the west as seen in borings
performed for the Carlsbad Seawall, Carlsbad Bakery Company,
Shell Carlsbad service station, and other Woodward-Clyde proj-
ects. However, the presence of westerly descending ancient
wavecut terraces in the Santiago Formation may be present within
the proposed pipeline alignment. In addition, a perched water
bearing basal gravel zone may be present along the terrace contact
which is consistent with the regional groundwater table.
We plan to perform explorations at 400 foot intervals along the
pipeline alignments to characterize subsurface soils and obtain
representative samples for laboratory testing (Figure 1). Planned
subsurface explorations will include 23 CPT soundings and
11 small diameter hollow stem auger borings. CPT soundings and
borings will be advanced to depths of approximately 35 feet below
the surface along the proposed pipeline alignments or to practical-
refusal depths. Since there may be a possibility using trenchless
technology (i.e., pipejacking, microtunneling, and directional
drilling), the planned exploration depths are generally 20 feet
below the sewer pipeline invert elevations and will meet or exceed
the requirements listed in Item 3 of the UP. We plan to use the
services of Gregg In-Situ, Inc. and West Hazmat Drilling, Inc. for
the CPT soundings and borings, respectively-.
The CPT soundings will provide a continuous record of material
classification and strength. Subsurface materials encountered in
the borings will be obtained at 5-foot depth intervals using a
modified California sampler. Bulk samples of representative
materials will be collected from the borings. An organic vapor
analyzer (OVA) will be used to screen for the presence of hydro-
carbon contamination in soils above the groundwater table. All
explorations will be logged by a geologist/engineer in accordance
with applicable ASTM standards.
It is anticipated that groundwater will be encountered at depths of
10 to 20 fxt throughout the proposed pipeline alignments.
Groundwater e1eLations shall be measured at the time of the
explorations (if encountered). We will sample groundwater in
6 locations using a CPT rig-mounted Hydro-Punch'". Upon
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' SECTIONTWO e a Project Approach
completion of the drilling and sampling, the CPTs and borings will
be backfiiled with grout. The upper 6 inches of bore holes will be
cold patched with asphalt concrete if performed in streets.
2.2.3 Task 3 - Geotechnical Laboratory Testing
We wilt conduct
geotechnical laboratory
testing of soil samples to
determine their physical
and mechanical engi-
neering properties. Soil
will be evaluated with
respect to suitability as
beach nourishmentflll in
accordance with the
City 3 Opportunistic
Beach Fill Program
Samples of subsurface materials obtained during the field expiora-
tions will be returned to Woodward-Clyde's laboratory for further
examination and testing. We will conduct geotechnical laboratory
testing of soil samples to determine their physical and mechanical
engineering properties. Soil testing will include moisture content,
density, grain size distribution, plasticity, compaction, shear
strength, compressibility, permeability, R-vdue, and corrosion
potential (pH, resistivity, soluble sulfates and soluble chlorides).
Soil will be evaluated with respect to suitability as beach nourish-
ment fill in accordance with the City's Opportunistic Beach Fill
Program. All testing will be done in accordance with applicable
ASTM or other approved testing methods and procedures.
2.2.4 Task 4 - Analytical Soil and Groundwater Testing
I Analytical testing of Analytical testing of soil and groundwater will be performed at six
groundwater will be locations for preliminary screening of potential contamination only
performedfor and will include total recoverable petroleum hydrocarbons
preliminary screening of (EPA 41 8.1/9071), volatile (EPA 624/8240/8260) and semivolatile
potential contaminafion. (EPA 625/8270) organic compounds, PCBs (EPA 608/8080), and
EPA Priority Pollutants (EPA 6010/7000) including arsenic, bar-
ium, cobalt, chromium, copper, molybdenum, nickel, lead, anti-
mony, vanadium, and zinc. The soils samples will be obtained
within the upper 5 feet of the 6 borings. Investigation for remedia-
tion of contaminated soil and groundwater are not included in this
proposal. We plan to use the services Pacific Treatment Analytical
Services, Inc. for analytical soil and groundwater testing. A
quantitative summary table of test results will be provided.
At this time, we do not anticipate that encountered soil and
groundwater will be considered hazardous. Woodward-Clyde will
advise the CMWD in the event that storage of hazardous materials
is required. Upon completion of analytical groundwater testing,
soil and groundwater samples will be disposed of in accordance
with Regional Water Quality Control Board (RWQCB) guidelines.
We understand that no onsite storage of soil or groundwater con-
tainer drums will be permitted and that transportation of the drums
will be required to a secure offsite storage area provided by the
CXIWD or City. The storage time will be less than 90 days. Li-r: -
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have assyned that disposal of the drums will be the rewsibility
of the CMWD. w
2.2.5 Task 5 - Groundwater Dewatering Pump Tests
Groundwater dewatering pump tests are specifically suited to the
determination of transmissivity and storativity in confined and
unconfined aquifers. Whereas laboratory tests provide specific
values of the hydrogeological parameters for discrete soil samples
and piezometers provide localized in situ groundwater measure-
ments in the immediate vicinity of a piezometer tip, pumping tests
provide in situ measurements that are averaged over a large aquifer
volume.
Following our field exploration and laboratory testing program,
groundwater dewatering pump tests will be performed at four
selected locations along the pipeline alignments to provide data for
our dewatering analysis. In order to characterize the hydraulic
properties of the three anticipated geologic units within the poten-
tial dewatering zone (sandy portion of the terrace deposits, basal
gravel layer of the terrace deposits, and Santiago Formation silt-
stone/sandstone), we plan to install a dewatering and observation
well cluster at each testing location. The well cluster will consist
of four small-diameter wells. Three of the wells will be con-
structed as sealed observation wells to isolate and test each of the
geologic strata.
Following drilling, construction and development of the wells, the
dewatering well will be pumped and the three sealed observation
wells will monitor drawdown and recovery at a distance of about
10-feet fiom the extraction well. Tests will be monitored by a data
logger to continually record the piezometric level in each well.
Testing at each cluster will include a step-drawdown test, a
constant-rate pumping test, and a recovery test. We will utilize
either the Theis or Jacob methods to determine aquifer coefficients.
whichever is deemed more appropriate.
We have assumed that the well clusters will be located in areas
with no groundwater contamination and that an NPDES waive;
will be granted to allow discharge of the pumped groundwater into
the municipal sewer system. We have not prepared an estimate of
&e anticipa volumes of groundwater to be pumped at this time.
To supplement the data obtained from the groundwater dewatering
pump tests, we also plan to perform down-hole geophysical log-
ging for the purpose of characterizing the physical properties
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' ' 'SECTIONTWO W 0 Project Approach
within the dewatering zone and verifying the construction of the
wells. Testing will be performed on the extraction well and one
observation well within each cluster (8 total wells). A relatively
standard suite of geophysical logging in each well will include
spontaneous potential resistivity, natural gamma, and density. In
addition downhole seismic velocity measurements will be obtained
in each of the tested wells at 5-foot intervals.
2.2.6 Task 6 - Engineering Analyses-
Engineering analyses will be performed to substantiate discussions,
conclusions, and recommendations to be presented in the geotech-
nical investigation report and will include:
0 Subsurface soil profiles along the proposed sewer and storm
drain alignments including logs of explorations with geologic
formations, soil classifications, and laboratory test results. The
soil profiles will be presented on reduced-size ~lan and profile
sheets (to be provided by the CMWD). -
Information pertaining to geologic hazards including faulting,
seismicity, ground motions, ground rupture, and liquefaction
-_I potential (if any).
Determination of groundwater levels at the time of exploration
and recommendations for special construction methods (if
required).
Estimation of groundwater dewatering drawdown and steady
state pumping rates at five feet below pipe invert elevations
from field pump tests in areas where groundwater may be
encountered during construction. Groundwater recovery data
from five feet below invert elevations will also be provided.
Determination of the presence of soil and groundwater con-
tamination based on preliminary screening at sampled ground-
water locations along the alignment. Particular attention will
be given to areas adjacent to industriaUwarehouse storage
facilities along Oak Street and areas of recorded train derail-
ments.
Recommendations for remedial earthwork measures for poten-
tial adverse subsurface conditions which may be encountered
which could affect the performance of the pipelines (excluding
soil and groundwater contamination).
Preparation of earthwork specifications including relative com-
paction requirements for various bedding and backfill materials
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around the sewer and storm drain pipes. Relative compaction
recommendations will include the three distinct pipe zones X,
B, and C as indicated on Exhibit 2 of the RFP. Recommenda-
tions regarding concurrent trenchmg for both pipelines, includ-
ing the situation where one pipeline is deeper than the other
will be provided.
0 Recommendations for trench excavation maximum side slope
inclinations and shoring design including computed safety
factors. In addition, recommendations regarding open-cut
construction as compared to pulling a shoring shield to reduce
horizontal excavation width. Train loading will be included in
the lateral shoring pressures for areas within the railroad right-
of-way.
Recommendations for backfill benching, concrete slope
anchors, or other stabilization measures for steep pipe and
backfill conditions. This will be of particular importance
where the proposed storm drain descends down toward Agua
Hedionda Lagoon.
Recommendations and design considerations regarding
trenchless technology including microtunneling, pipejacking,
and conventional tunneling as compared to open cut and cover
construction for all pipeline alignments. Trenchless technology
is currently being considered at the intersection of Jefferson
Street and Carlsbad Village Drive and the railroad right-of-
way. Recommendations and discussions generally include:
shaft construction, excavation methods, anticipated ground
behavior, support systems, anticipated settlement, groutings
requirements, muck handling, and instrumentation and moni-
toring.
Recommendations for pipe, thrust block, and access hole
design loads including soil reaction modulus, estimated total
and differential settlements. Evaluation of the potential effects
of construction on adjacent structures including vibration and
settlement.
0 Replacement pavement, base, and subgrade sections. where
necessary. A summary table of cored existing pavement sec-
tions where subsurface explorations were performed in traffic
areas will be provided.
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A general assessment of soil corrosivity along the pipeline
alignments including resistivity. soluble sulfate and soluble
chloride.
2.2.7 Task 7 - Draft and Final Reports
Woodward-Clyde will prepare a draft and final geotechnical report
presenting discussions, conclusions, recommendations, and con-
struction considerations for the combined projects. The results of
field explorations, laboratory testing, and engineering analyses will
also be presented.
2.2.8 Task 8 - Design Consultation
Following 'submittal of our report, we propose to provide geotech-
nical consultation services during the design phase of the project.
These services will be provided at the request of the CMWD or
City to assist the designer6)wit.h technical issues and the selection 4
economical alternatives.
2.2.9 Task 9 - Plans and Specifications Review
Woodward-Clyde will perform reviews of the geotechnical por-
tions of the project plans and specifications for both pipeline proj-
ects when they become available. The reviews are to verify
whether the intent of our design recommendations have been
properly incorporated into the project design. The results of our
reviews will be presented two separate letters.
2.2.10 Task 10 - Pre-Bid Conference -
Woodward-Clyde will attend the one pre-bid conference for the
storm drain and rfireie pre-bid conferences for the sewer phases of
the project to answer geotechnical related questions from prospec-
tive bidding contractors. Responses to contractor questions \\ill
either be addressed at the pre-bid meetings or in one wriqen letters.
Construction phase services including review of contractor qualifi-
cations and submittals, laboratory testing, excavation and backfill
observation, and compaction testing are not included in this pro-
posal. A cost estimate for these services can be provided upon
request.
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We recognize the importance of this project and have assembled a
project team especially well qualified to perform the work. A brief
description of the relevant experience and qualifications for three
of our principal team members is presented below; their complete
resumes are included in Appendix A.
3.1 PROJECT
MANAGER
Mr. Arzamendi has been
the geotechnical project
manager for the South
Bay International
Wastewater Treatment
Plant.
3.2 SENIOR
TECHNICAL
REVIEWER
Mr. Raines specializes in
pipeline and tunnel proj-
ects and is a recognized
authority in trenchless
technology. He is one of
Woodward-Clyde five
national practice
managers for tunnels
and underground
structures.
Moi Arzamendi, P.E., will be assigned as Woodward-Clyde's
Project Manager for the project. Mr. Arzamendi, is a registered
civil engineer and geotechnical engineer in the state of California.
Mr. Arzamendi has worked in the San Diego office' of Woodward-
Clyde since 1985 and has a well rounded background and signifi-
cant experience in water resources projects including water and
wastewater treatment plants, conveyance pipelines, and construc-
tion phase services. Mr. Arzamendi has been the geotechnical
project manager for the South Bay International Wastewater
Treatment Plant; the associated 5 border 'raw sewage diversion,
collection, and pump station systems; the future South Bay Recla-
mation Plant and pipeline conveyance systems; and the potable
water main which services all the South Bay facilities.
Mr. Arzamendi has become very familiar with the Carlsbad area
through his work on both Carlsbad Boulevard seawalls, the
Batiquitos Lagoon Enhancement Project, the SDG&E Encina
Power Plant, dredging and shoreline improvements at Agua Hedi-
onda Lagoon, and numerous smaller projects in the area.
Mr. Gregory Raines, P.E., will be the senior technical reviewer
for the project. Mr. Raines is a registered civil engineer in the state
of California and has over 15 years of experience in geotechnical
engineering and underground construction. Mr. Raines specializes
in pipeline and tunnel projects and is a recognized authority in
trenchless technology. He is one of Woodward-Clyde five national
practice managers for tunnels and underground structures. He has
been an instructor of several engineering training courses at the
Colorado School of Mines. Mr. Raines has overseen design and
construction of pipelines and tunnels for the SDG&E Pipeline
2000 Project. North Metro Interceptor Sewer Project, Encinitas
Highway 101 Storm Drain Project, and several major trenchless
technology projects in Hawaii.
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3.3 PROJECT
GEOLOGIST
3.4 CLIENT
REFERENCES
Moi Arzamendi,
P.E., G.E.
Project Manager
Gregory Raines, P.E.
Senior Technical
Reviewer
Michael Hatch
C.E.G., R.G.
Engineering Geologist
Mr. Michael Hatch, C.E.G., RG., will be the project geologist.
Mr. Hatch has over 13 years experience in engineering geology
and geologic hazards studies relative to siting major municipal
pipelines and water conveyance and storage projects. Mr. Hatch
specializes in field mapping, aerial reconnaissance, photographic
analyses, subsurface investigations, hydrogeologic characteriza-
tion, and geologic hazard assessments. He has been project
geologist for the South Bay Ocean Outfall, SDG&E Pipeline 2000
and Mexicali gas distribution pipelines.
The following is a single client reference for each of our key team
members:
Mr. Dion McMicheaux, P.E.
International Boundary and Water Commission
2225 Dairy Mart Road
San Diego, CA 92143-4232
6 1 9-662-7600
Mr. Mike Farmarzi, P.E.
Metropolitan Wastewater Department
City of San Diego
6000 B Street
San Diego, CA 92101
619-533-4267
Mr. Craig Riker, P.E.
San Diego Gas & Electric Company
P.O. Box 183 1
San Diego, CA 921 12
6 19-696-4862
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4.1 CORPORATE
PROFILE
Woodward-Clyde b an
international consulting
firm that has achieved
prominence as u leader
in geotechnical
engineering.
In our opinion, no other
company in southern
California has as much
qualifLing experience in
geotechnical engineering
for pipelines.
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Woodward-Clyde is an international consulting firm that has
achieved prominence as a leader in geotechnical engineering.
Founded in California in 1950 as a geotechnical and materials
testing firm, the company has grown to more than 80 ofices
throughout the United States and abroad Engineering News-Rec-
urd has listed Woodward-Clyde among the top 50 U.S. design
firms since it began that listing in 1965.
As demonstrated by the discussions presented above in the execu-
tive summary, scope of work, and project personnel list, Wood-
ward-Clyde is technically qualified to perform 'the proposed
geotechnical investigation for the project. In our opinion, no other
company in southern California has as much qualifying experience
in geotechnical engineering for pipelines. Our ability to under-
stand project needs and requirements in combination with main-
taining current in developing construction technologies sets us
apart from our competition.
Woodward-Clyde has
1 performed services for
i some of the most
r. sign@cant water resource projects
involving water, sewage,
and storm drain facilities
in the County.
Woodward-Clyde has performed services for some of the most
significant water resource projects involving water, sewage, and
storm drain facilities in the County. These projects have included
significant geotechnical engineering design and construction con-
siderations such as earthquake fault crossings, liquefiable and
compressible soils, ground improvement, contaminated soil and
groundwater, and hard rock excavation. An abbreviated list of
recent projects include:
a
e
a
a
a
a
a
e
a
e
e
e
a
a
e
a
..
Point Loma WTP and Outfall Extension, San Diego -
(1995 California Geotechnical Engineers Association Outstanding Project)
South Bay International WTP and Outfail, San Diego
South Bay Reclamation Plant and Pipeline, San Diego
North Metro Sewer Interceptor, San Diego
Mission Valley Pipeline, San'Diego
East Mission Bay Pipeline, San Diego
Pipeline 2A, North San Diego County
Pipeline 4 Extension, San Diego
Pipeline 6 Extension, S. Riverside and N. San Diego County
Ranch Santa Fe Pipeline, Rancho Santa Fe
Cowles Mountain Tunnel, San Diego
La Posas Tunnel, North San Diego County
San Marcos Tunnel, San Marcos
Otay Valley Trunk Sewer, San Diego
Cannel Valley Trunk Sewer, San Diego
Highway 101 Storm Drains, Encinitas
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. m " SECTIONFIVE local Emerfence and Knowledge of District Facilities w 0
5.1 LOCAL Woodward-Clyde has been operating in the local area for nearly
EXPERIENCE 40 years. Woodward-Clyde has performed geotechnical and envi-
ronmental engineering services for over 15,000 projects in San
geofuk!ic data base is 12 projects within a one mile radius of the proposed pipeline
unparaff@fed in the alignments. We believe our local experience and geologic data
r Our focnf exgerience and Diego County, over 100 projects in the City of Carlsbad, and over 1
regiono base is unparalleled in the region.
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Woodward-Clyde has Woodward-Clyde has performed numerous engineering services
performed numerous for local projects owned by the City and clients in Carlsbad. These
engineering services for projects include the existing (3,100-foot) and under construction
local projects. (2,500-foot) Carlsbad Boulevard seawalls; the Batiquitos Lagoon
Enhancement Project; Cannon Road bridge; the 1996 Harmony
Grove Firestorm emergency mitigation; many residential, com-
mercial, and industrial developments; the SDG&E Encina Power
Plant; Shell Carlsbad service station; Carisbad Bakery Company,
Avaira Elementary and Middle Schools; and, many street
improvement projects to name a few.
The Encinitas project is In Encinitas, Woodward-Clyde is currently working on the High-
similar to the subject way 10 1 storm drain project. The Encinitas project is similar to the
project. subject project in that geologic conditions are comparable, pipeline
alignment configurations are mainly north-south trending adjacent
to the railroad, and trenchless technology for construction is being
designed.
5.2 KNOWLEDGE OF Woodward-Clyde has experience working in Carlsbad with respect DISTRICT FACILITIES to providing geotechnical engineering and construction phase
services for water system improvements constructed in 1971.
Information contained in our project files indicate that construction
inspection and testing services were performed for water pipeline
installed beneath 27 streets in downtown Carlsbad at that time
including Oak Avenue, Jefferson Street, and Chestnut Avenue.
We do have a Although it has been a few years since Woodward-Clyde has per-
verystrong formed geotechnical engineering services for the CMWD, we do
relationship wirh the have a very strong relationship with the City Engineering Depart-
Cig Engineering ment based on other previous and current work performed by our
Department. firm. Key City personnel that we have worked directly with
include Messrs. Lloyd Hubbs, John Cahill, Pat Entezari, and Steve
Jantz and Dick Cook.. We encourage the CMWD to contact these
individuals at the City as additional references.
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6.1 SCHEDULE We plan to submit a draft geotechnical report (6 copies) within
3 months of the CMWD’s written notice to proceed. The final
geotechnical report (10 copies and one reproducible copy) will be
submitted within 2 weeks after receiving review comments from
the CMWD and the City. A tentative schedule for the project is
shown in Figure 2.
6.2 BUDGET We understand that the fees for the proposed geotechnical investi-
gation are to be separated into two parts for the storm drain and
sewer projects, respectively.
A breakdown of our proposed fees are as follows:
i
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Task
1
2
3
4
5
6
7
8
9
10
Description
Data Review, Field Reconnais-
sance and Work Plan
Subsurface Exploration
Geotechnical Laboratory Testing
Analytical Soil and Groundwater
Testing
Groundwater Dewatering Pump
Testing
Engineering Analyses
Draft and Final Reports
Design Consultation
Plans and Specifications Review
Pre-Bid Conference
Subtotals
Proposed Budget
Part I Part II
(Storm Drain) (Sewer)
$1,400 $1,400
9,630 11,780
2,560 3,130
4,380 8,760
14.850 29,700
6.430 7,860
4,900 6,070
3,850 3,850
1,280 1,280
550 1.650
$49,830 $75,480
- TOTAL $125,310
Although the project has been broken down in to two parts, we
would plan to only mobilize once for the field work and issue a
single report covering the joint sewer and storm drain projects. We
propose to perform the scope of work presented herein for a total
lump sum of $125,310.
6.3 AGREEMENT Woodward-Clyde’s Risk Manager is currently reviewing the City
of Carlsbad’s Standard Agreement for Professional Services. We
will forward our comments and concerns regarding the Agreement
after our review is completed.
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Englneerlng h sctences applied 10 the eaRh 8 11s environment
EXHIBIT "B"
July 2, 1997
Ms. Kelly J. Weaver, P.E.
Carlsbad Municipal Water District
5950 El Camino Real
Carlsbad, CA 92008
Subject: Amendment No. 1
Proposal for a Geotechnical Investigation
Vista/Carlsbad interceptor Sewer Replacement Project and
South Carlsbad Village Storm Drain Project
CMWD Project No. 91-403 and Project No. 3538
Carlsbad, California
Woodward-Clyde Reference No. 975 1028A-PROP
Dear Ms. Weaver:
Woodwad-Clyde International-Americas (Woodward-Clyde) is pleased to present Amend-
ment No. 1 to our proposal for a geotechnical investigation for the subject project. This
Amendment has been prepared in response to your letter dated June 23, 1997 requesting
Mer clarification to our proposal dated June 6,1997. Our responses follow the order of the
comments contained therein (not reprinted herein).
1. Depending on the results of analytical testing, which could indicate various levels of
contamination, soil and groundwater may be disposed of at a local landfill, treated or
incinerated by a licensed waste transport/disposal service, or discharged into the local
sewer system with permission from the Carlsbad Municipal Water District (CMWD).
A company such as Soil-Wash Technologies, Inc. (located in Mission Valley) could be
utilized for transport/disposaJ services. Although principally suited for treating
contaminated soil, Soil-Wash, Technologies, Inc. can also haul, receive, treat. and
dispose Contaminated groundwater as well. Clean soil and groundwater will be
disposed of in conventional means not requiring a permit as described in Response So.
3.
2. Contaminated soil and groundwater which may be encountered in Task 2 (Subsurface
Exploration) will likely be of small volume and not present a significant disposal
problem. Cost for disposal of these materials may be assumed to be included in our
cost estimate. However, larger volumes of groundwater which will be encocr.rs:td
during Task 5 (Groundwater Dewatering Pump Testing) may require addi::L\?nzl
handling and expense for disposal. We plan to temporary store the p:i::?;.-!
Woodward-Cfyde Consultants * A subsidiary of Woodward-Clyde Group. Inc.
Sunroad Plaza 3. Suite 1000 * 161 5 Murray Canyon Road - San Diego. California 92108 61 9-294-9400 Fa 61 9-293-7920 W\9751028APROP-C.L OOC'.' ... .j- <I 3
w :I a 0 woodward=Clyde
Ms. Kelly J. Weaver, P.E.
Carlsbad Municipal Water District
July 2, 1997
Page 2
groundwater in a large Baker tank(s) during the pump testing and avoid the need for
numerous drums. The stored water will be screened for contamination by testing for
Total Recoverable Petroleum Hydrocarbons (TRPH). If permissible by the CMWD, we
will discharge the stored water into the sewer system. A proposed contingency plan to
cover additional expenses is described at the end of this letter.
3. Groundwater extracted during dewatering pump tests and stored in a Baker tank(s) was
planned to be discharged into the sewer system at a regulated inflow rate on the order of
100 gpm or less. However, if this method of disposal is not permitted, we would
discharge onto an approved receiving area (i-e., City park or cultivated land). If
possible, dewatering pump tests performed in the railroad right of way should be
considered for direct surface discharge. However, we understand that due to time
constraints involved in obtaining a WPDES permit that such a discharge may not be
possible. Reinjection of pumped groundwater back into the ground after the tests have
been performed is not be considered a cost effective alternative due to the time
required. Discussions regarding options for disposal of construction dewatering
effluent will be presented in our geotechnical investigation report.
4. Preliminary calculations suggest that each pump test may be expected to produce up to
10,000 gallons of water over a period of 1 to 2 days in order to stress the aquifer.
Percolation or reinjection of extracted groundwater back into the subsurface may be
considered inappropriate or costly due to the effort required to construct an injection
well and the time required. Reinjection may take an order of magnitude longer to
completely dispose of stored groundwater and could impact our planned investigation
efforts.
5. Steep slope considerations (eg., slope anchors) pertain only to the segment of the
proposed storm drain descending down toward Agua Hedionda Lagoon. The costs for
analyses of these conditions have been separated in our proposai.
6. The distributed cost for Task 5 (Groundwater Dewatering Pump Tests) in Section 6.2
have been incorrectly presented. The breakdown should be $16,706 (37.5% share) and
$27,844 (62.5% share) for Part I and Part 11, respectively. Thus, the total cost for Part I
is $5 1,686 and Part I1 is $73,623.
7. Costs for additional pumping tests may be assumed to be $1 1,137 each if performed
concurrently with the first 4 tests plus $1,434 for dewatering analyses (Task 6). The
cost for remobilization of equipment and personnel may be taken as $500 per test if not
performed concurrently with the first 4 tests. Therefore, the cost for additional tests
WP751028AiPROPC-L GQCll-Jul-9nSDG
* .:' Y w woodward-Clyde
Ms. Kelly J. Weaver, P.E.
Carlsbad Municipal Water District
July 2, 1997
Page 3
would be either $12,571 or $1 3,071 depending on whether or not the work was done
concurrently with the originally planned Task 5 field program.
CONTINGENCY PLAN
We suggest that an additional 10 percent contingency reserve on our fees be secured by the
CMWD in the event that expenditures not anticipated, as described above, may be covered.
Under this plan, Woodward-Clyde would be required to submit a detailed explanation and
itemized cost breakdown in order to be authorized any payments fiom the contingency
reserve. At this time, we expect that the majority of the contingency reserve'would be used
for hauling, treating, and disposal pumped groundwater by Soil-Wash Technologies, Inc. at a
rate of 30 cents per gallon. Assuming a roughly 40,000 gallons of water to be disposed the
added cost would be about $12,000.
We appreciate the opportunity to submit this Amendment to our proposal to the CMWD and
the City of Carisbad. If you have any questions, please call.
Very truly yours,
WOODWARD-CLYDE INT ATIONAL-AMERICAS A/&# Leo Vice D. President Han elt, P.
LDH\MA:rad
CLIENT:
Signature Date
Typed or Printed Name Title
W\9751028A\PROPC-L DOC\~-JUI-BASDG