HomeMy WebLinkAbout031317_ca04Department of Public Works
O Consent Agenda
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Jefferson County
Board of Commissioners
Agenda Request
To: Board of Commissioners
Philip Morley, County Administrator
From: Monte Reinders, P.E.
Public Works Director/County Engineer
Agenda Date: March 13, 2017
Subject: Supplemental Consultant Agreement #1
Legacy2012 LLC dba Nakano Associates
Rick Tollefson Memorial Trail, Phase I, CR1815
Statement of Issue: Execution of Supplemental Consultant Agreement #1 with Legacy2012
LLC dba Nakano Associates, of Seattle, for completion of construction documents, Change
Order Directive No. 1 work (additional design services), and Construction Engineering phase
services, for the Rick Tollefson Memorial Trail Project, Phase I.
Analysis/Strategic Goals/Pro's Et Con's: This project is number 5 on the 2017-2022 Six Year
Transportation Improvement Program and is included in the 2017 Annual Construction
Program, item number 5. The purpose of Phase I of this project is to create a new multi -use
non -motorized trail crossing Chimacum Valley between HJ Carroll Park and Old Hadlock Road.
Fiscal Impact/Cost Benefit Analysis: The supplemental agreement amount is $22,833.44.
Funding is provided by the Federal Highway Administration for the STP -R grant at 86.5% and
by the State of Washington for the State Pedestrian/ Bicycle Safety grant at 100%. The County
Road Fund will be used to meet the 13.5% match requirement for the STP -R grant.
Recommendation: The Board is asked to sign the three Supplemental Agreement #1 originals,
and return two to Public Works.
Department Contact: John Wayand, Project Manager 385-9377
Reviewed By:
PhilipMorl , Co my Administrato
Date
Supplemental Agreement
Organization and Address
Number 1
LEGACY2012 LLC dba NAKANO ASSOCIATES
853 Hiawatha Place S
Seattle WA 98144
206 292 9392
Agreement Number
RTMT-1815-02
Project Number
Execution Date
Completion Date
1801815
December 31 2018
Project Title
New Maximum Amount Payable
Rick Tollefson Memonal Trail, Phase I
$73 593 64
Description of Work
Design Engineering and Construction Engineering Services
The Local Agency of Jefferson County, Washington desires to supplement the agreement entered into with
Leaacy2012 LLC dba Nakano Associates and executed on December 8, 2014 and identified as Agreement
No RTMT-1815-02
All provisions in the basic agreement remain in effect except as expressly modified by this supplement
The changes to the agreement are described as follows
Section II, SCOPE OF WORK is hereby changed to read
in Exhibit "B'
II
Section IV TIME FOR BEGINNING AND COMPLETION is amended to change the number of calendar
days for completion of the work to read
Original Completion Date December 31, 2017
New Completion Date December 31, 2018
III
Section V, PAYMENT, shall be amended as follows
Original Agreement Maximum Amount Payable $50,76020
Supplemental Agreement #1 additional amount $22,83344
New Agreement Maxmium Amount Payable $73,59364
as set forth in the attached Exhibit A A-1 and by this reference made a part of this supplement
Page 1 of 3 Revised 8/9/2013
If you concur with this supplement and agree to the changes as stated above, please sign in the appropriate
spaces below and return to this office for final action.
Ald<jm.o fEssniAJo
Contractor
�4� okwll—
Contractor's Signature
Date
COUNTY OF JEFFERSON
BOARD OF COMMISSIONERS
Kathleen Kler, Chair
David Sullivan, Member
Kate Dean, Member
Approve s to rm only:
�-- 2 23 Zof�-
Mi hael Haas ate
Prseci#ing Attorney
M to 4einders, P.E. Date
Pu is VVorks Director/County Engineer
Page 2 of 3 Revised 8/9/2013
Direct Salary Cost
Overhead
(including Payroll Additives)
Direct Non -Salary Costs
Fixed Fee
Total
Exhibit "A"
Summary of Payments
Basic Agreement Supplement #1 Total
$47,72700
(incl in D S C )
$3,03320
(N/A)
$50,76020
Page 3 of 3
$21,50844 $69,23544
(incl mDSC)
$1,32500
(N/A)
$22,83344
(Incl in D S Q
$4,35820
(N/A)
$73,59364
Revised 8/9/2013
Rick Tollefson Memorial Trail, CRISIS
I EXHIBIT A 1
JEFFERSON COUNTY PUBLIC WORKS
SUPPLEMENTAL AGREEMENT #1
—
With Nakano Assoclates
--
—
(S ppleme tel ASreement to Co Itant Apmeme t RTMT 1815-02)
TASKS
P I al
P H
1NAKANO ASSOC
S I iAS I t
P H
I ASS.Clal
$85
P H
SITE BE DESIGN
Pn pal Erg
6750 $110
P H I P H
SMITH a HUSTON INC
P pal Eng
$160 $100
P H P H
I
P Clp 1
$22229
P H
OEOENOINEERB INC
IS Erg Adm 2
$15454Il71 OB 1
I P H P H
1
Adm 1
$6187
P H
TOTAL
ESTIMATEDHOURS
T tat
90% TO CONSTRUCTION DOCUMENTS PHASE
TASK 7 BID DOCUMENTS
MANAGEMENT/COORDINATION _
0
0
0
0
0
0
I 0
0
0
0
0
0
TRAIL PLAN SHEETS SECTIONS AND ALL NECESSARY DETAILS
0
0
1 0
0
I 0
0
0
0
0
0
0
0
_
MITIGATION PLAN
0
� 0
0
0
I 0
0
0
0
0
0
0
0
TECHNICAL SPECIAL PROVISIONS TO WSOOT STANDARD SPECS
0
_ 0
0
0
0
0
0
0
0
0
0
0
ENGINEERS COST ESTIMATE WITH QUANTITY TAKEOF BACKUP
0 _ _
0
0
_ 0
I 0 _
0
0
0
0
0
0
0
XSEC710NS Q 20' INTERVAL _
0
0
_ 0
0
i 0
0
1 0
0
0
0
0
0
X SECTION EARTHWORK REPORT AT 20 INTERVAL
0
0
0
0
I 0
0
0
0
0
0
0
0
10CO
0% REVIEW MMENTS RESPONSES ICOMPLETEO] — _
0
— 0
1 0
0
I
457809
0
0
0
0
I _
0
0
457809
BUTOTAL HOURS BID DOCUMENTS
SUB-TOTAL DOLLARS BID DOCUMENTS
0
$000
0
000
0
$0 00
0
$0 00
45 7809
$5 035 90
0
EO 00
0
000
0
--$0—00--7
0
$000
1
0
$000
0
$000
45 7809
$5,03590
REPLOT CIVIL SHEETS C1 C9 STAMPING AND SIGNING PLANS AND SPECIAL PROVISIONS
2
0
0
1
0
0
0
0
0
0 1
0
3
SUB-TOTAL HOURS BID DOCUMENTS
SUB-TOTAL DOLLARS BID DOCUMENTS
2
$27000
0
0 00
0
$O 00
1
$15000
457809
5 035 90
0
0 00
1 0
0 00
0
000
1 0
$000
00
_S000
EDW
48 7809
S5.45590
CHANGE ORDER—DIRECTIVE NO 1
I
NAKANO ASSOC
P pal
$135
I S Assoc I
1 $100
Assn t
Ileo
NOTE THESE RATES ARE FOR CHANGE ORDER DIRECTIVE NO 1 ONLY
TASK 1 INTERPRETIVE SIGN PANEL
CREATE AN ADDITIONAL INTERPRETIVE SIGN PANEL DEPICTING THE NATIVE AMERICAN
_
f
HISTORY IN CHIMACUM VALLEY
039
0
921
0
0
0
0
0
0
1 0
0
960
TASK 2 SAFETY RAIL
DESIGN A SAFETY RAIL TO PROTECT PEDESTRIANS AND BICYCLIST FROM VERTICAL DROP
I
—
OFFS AND OTHER SIDE HAZARDS —_ _
24 27
1 _ 5 23 —_
0
0 _
_ 0 _
0
I 0
0
0
1 0 1
0
2950
SUBTOTAL HOURS CHANGE ORDER DIRECTIVE NO 1
SUBTOTAL DOLLARS CHANGE ORDER DIRECTIVE NO 1
2466
$3 328 10
523
$523 00
921
736 80
0
EO 00
0
000
0
$0 00
0
EO 00
0
000
0
$000
0
$000
0
$000
3910
$4,58890
BID PHASE
1
TASK 8 ASSIST COUNTY WITH BIDDER QUESTIONS I PRE BID SITE VISIT
PREPARATION I ADDENDA PREPARATION
NAKANO ASSOCIATES
1
PROJECT MANAGEMENT COORDINATION OF WORK PROGRESS REPORTING AND
I
I
I
INVOICING _ _ _
DOCUMENTATION 70 ASSIST COUNTY WITH BIDDER QUESTIONS AS REQUIRED
5
2
_ 0
I 0
_ 0
0
00
0
__
0
0
I 0
0
I 0
0 I
0
2
DOCUMENTATION TO ASSIST COUNTY WITH PRE BID SITE VISIT PREPARATION AS REQUIRED
1
0
_ 0
0 _
0
0
0
0
0
0
0
1
DOCUMENTATION TO ASSIST COUNTY WITH ADDENDA PREPARATION AS REQUIRED1
—
0
_ 0
0 _
0
_ 0 _
_0 _
0
0 _
p 1
_
p
1
SUBTOTAL HOURS BIDDER QUESTIONS/PRE BID SITE VISIT/ADDENDA
SUBTOTAL DOLLARS BIDDER OUESTIONS/PRE BID SITE VISIT/ADDENDA
4
54 000
1 0
6000
0
$000
0
5000
0
5000
0
5000
0
SO tHI
0
$000
0
E000
0
E000
0
E000
4
1 E54000
Rick TolleTson Memorial Trail, CRI 815
JEFFERSON COUNTY PUBLIC WORKS
SUPPLEMENTAL AGREEMENT f1
WI Nakano Associates
IS pplem tel AgreemenitoC nsullant Agreement RTNT7875-02)
TASKS
CONSTRUCTION PHASE
P I ipal
$135
Pe H
I
NAKANO ASSOC
Be Assoc I
$100
Pe H
I
Aa wt
$85
P H
EXHIBIT A 1
SITEWISE DESIGN SMITH B HUSTON INC
P pal E gl P opal Eng ea
5150 $110 $160 $100
P H P H P H P H
P ipal
$22229
P H
GEOENGINEERS INC
S Eng ee Adm 2
$15454 $7108
P H P H
Admi 1
$6187
Pe H
TOTAL
ESTIMATED HOURS
T I I
TASK 9 ASSIST COUNTY WITH PRE-CONSTRUCTION MEETING I
CONTRACTOR SUBMITTALS I CONSTRUCTION INSPECTIONS I PLANT
INSPECTIONS
I
NAKANO ASSOCIATES
—
I
PROJECT MANAGEMENT COORDINATION OF WORK PROGRESS REPORTING AND
INVOICING
5
0
0
0
0
0
0
0
0
0
0
5
SHOP DRAWING (BRIDGE) I CONTRACTOR SUBMITTAL REVIEW 8 APPROVAL
DOCUMENTATION
2
0
0
0
0
0
0
0
0
0
0
2
(1) PRE CONSTRUCTION MEETING ATTENDANCE
6
0
0
0
0
0
0
0
0
0
0
6
REQUEST FOR INFORMATION (RFI) SUPPORT DOCUMENTATION
3
0
4
0
1 0
0
0
0
0
0
0
7
(4) SITE VISITS WITH ASSOCIATED REPORTS INCLUDING PLANT INSPECTION ADJACENT TO
I
I
TRAIL 8 AT MITIGATION SITE DURING PLANTING
8
0_
6
_
0
' 0
0
0
0
0
0
0
16
CONSTRUCTION COMPLETION PUNCH LIST DOCUMENTATION AS NEEDED
0I
0
4
0
1 0
0
0
0
0
0
0
4
(2) PLANT INSPECTIONS DURING THE PLANT SELECTION INCLUDING PLANT
ESTABLISHMENT (PSIPE) PERIOD (1 YEAR) WITH ASSOCIATED REPORTS
0
1 0
12
0
0
0
0
0
1 0
0 I
0
12
SITEWISE DESIGN PLLC
1
DOCUMENTATION FOR CONSTRUCTION CONSULTATION AS REQUIRED
0
0
0
1
_
_ F
_
4
4
0 _
0
0
0
0
0
8
SMITH & HUSTON INC
—
SHOP DRAWING, (BRIDGE) I CONTRACTOR SUBMITTAL REVIEW B APPROVAL
I
DOCUMENTATION _
0
0_
0
0
4
_
–0
I
_
_
4
0
0
0
0
B
DOCUMENTATION OF THE REVIEW OF THE BRIDGE ABUTMENT BEARING CAPACITY IN SITU
INVESTIGATION PREPARED BY GEOENGINEERS INC___
0
p
p
_
_
_
_p _
_–p _
2
4
0
I 0 _
_ 0
REQUEST FOR INFORMATION (RFI) SUPPORT DOCUMENTATION
0
0
_1
0
8
GEOENGINEERS INC
1
_
(1) BRIDGE ABUTMENT BEARING CAPACITY FIELD INVESTIGATION DURING EXCAVATION OF
I
–
THE BRIDGE ABUTMENTS
0
I 0
p
_ – _
_
0
0
0
0
0
6
0
0
g
SUPPLEMENTAL GEOTECHNICAL REPORT
0
0
1 0
_
I
0
0
0
0
1
4
0
1
B
SUBTOTAL HOURS PRECONSTRUCTION MEETING/CONTRACTOR
SUBMITTALSICONSTRUCTION INSPECTIONSIPLANT INSPECTIONS
19
0
28
q
4
SUB TOTAL DOLLARS PRECONSTRUCTION MEETINGICONTRACTOR
10
12
1
12 1
0
1
gt
SUBMITTALSICONSTRUCTION INSPECTIONSIPLANT INSPECTIONS
$256500
$000
$238000
580000
544000
5760000
$120000
$22229
$185448
$000
$6187
$10923M
Rick Tollefeon Memorial Trail, CR1S15
JEFFERSON COUNTY PUBLIC WORKS
SUPPLEMENTAL AGREEMENT 01 _
with Nakano Associates
IS pplemental Agreem t to Consultant Agreement RTNT 7616-02)
TASKS
SUBTOTALS
TASK 7 BID DOCUMENTS HOURS
DOLLARS
CHANGE ORDER DIRECTIVE NO 1 TASK 1 AND TASK 2 HOURS
DOLLARS
TASKS BIDDERS OUESTIONSIPRE aID SITE VISIT/ADDENDA HOURS
DOLLARS
TASK 9 PRECONSTRUCTION MEETINGICONTRACTOR SUBMITTALS/CONSTRUCTION
INSPECTIONIPLANT INSPECTIONS HOURS
DOLLARS
TOTAL LABOR HOURS
I
I �
..............1–
EXHIBIT A 1
1
I
I
flFA1r1Y I — — r I
P pal
5135
Pe H
S n Also t
$100
I P Ho
Ae$85 le
565
P H
P p l
5150
P H
E 91
$110
P H
P pal
5160
P H
E 9
5100
P H
P I pal
$22228
P H
S E g n e
1 $15454$
I P H j
Adm 2
7108 1
PH
Adm 1
56187
P H
– 2 00
S27000
1 000
$000
000 _
$000–
100
$150 00
457809
S5.035 90
000
000
I 000
$0 00
000
S-0-00
000–
SO DO
000
SO 00
000
$000
—24-66
_
$3.32910
I 5 23
I $52300
_ 9 21 _
$73680
000
0 00 I
000
SO 00
0 00
SO 00
000
I SO 00
000
000
F 000
I Sow
000 I
SO 00
000
SO 00
400
$54000
000
EO DO
_ r 000 _
5000
000
50 63
000
060
–000— _
f0 00
_ 0 DO
$000
000
5000
I 000 _
000 1
_ 000
$0 00
000
50 00
1900
$2,56500
00_0
$O DO
28 00
E2 360 W
400 I
$600 00 I
400
$44000
1000
$1,60000
1200
$1,20000
1 00
$22229
1200
$1,85448
000
$000
100
S61 87
I
4966
$670410
_ 5 23 _
1 $52300
_ - 3721 21
$311680
_ 6 00
$75000
1 49 78 _
f $5,47590
_ 10 00 _
$1 60000
I 1200
$1.20000
100
$22229
1200
$1,85448
000 _
$000 I
_ 100
$61 87
SMITH 8
I
NAKANOI
$10 34390
SITEWISE
$622590
HUSTON
$2 800 00
GEOENGINEERS $213864
DIRECT NON SALARY COSTS-
_
REIMBURSABLE TRAVEL EXPENSES _ $70000
Nakano Assoc 7 trips x $75 $52500
Sltexnse Design 0 trips x $75 - $0 00 - - - -
Smlth 8 Huston Inc 0 tripsx $75_ $0 00 — _ I I - I I -
GeoEnglneers Inc
Vehicle Mlleaga 1 trip x 114 miles RR 114 miles x $0 58/mile $6384 --
-- -- - -
Ferry Expenses_I trips x $36 40 R/T $3640-
_ _
Total GeoEnglneers $100 24 -
TOTAL $625 24 ROUND UP TO 570000 l j
SUBCON ItULTANT ADMINISTRATION by Nakano As oc (10%1 _ $62500
Sltewlse Design $1 190 00 X 10% - $119 00 -
($6 225 90 Sitewisa total $5 035 90 portion of Sltewlse total previously billed Invoice
#6647 $1 19000)
Smith 8 Huston $2 800 00 X 10% $280 00 r
GeoEn Ineers$2 13864X`10% $21386 --- -- - — - �- - - - - - --- - - - - - -
TOTAL $612 86 ROUNDUP TO 862500 �_ I
- - - - - - - -- - - --- — -
I
_ __ Sub -Tafel Direct Non -salary Costsl - _ $1.325 I
Sub -Total Labor Costs 1 _ 121150844 1 -
Sub -Total Dlract Non salary Cos; $1,325 00 -
- — - - - - - - Total I _ 522,833 44-
-- - - -- - - _ r
SEE NOTES SHEET 4 - - - -
I I �-
T lel
_ 3_910
$4,686-90
400
91 DD
0,92364
18288
LIM 44
Rick Tollefson Memorial Trail, CR11116
EXHIBIT A 1
JEFFERSON COUNTY PUBLIC WORKS
SUPPLEMENTAL AGREEMENT #1
Wat Nakano Associates
4
(S ppl m mal Agreementto Cons Rent Agreement RTMT 1815-02) K WOASSOC
--I ___ 7 - T -
91TEMSE DESIGN SMITH a NUSTON INCGEOENOINEER9 ING TOTAL
P Pal Se Ass Ua1 Aero t
5135 $100 I $85
P IPaI E a _ P I Upal E p S E a Adm 2 Adml 1 ESTIMATED HOURS
r$2-22
$150 $110 E160 I $100 $15454 E710fi Efitfi7TASKS
P H P HP Ho
P Ho P H P H P H P Ho P H P H T I I
Notes
-
Task numbering derives from original Consultant Agreement RTMT 1815-02 and
Change Order Directive No 1
I
All hourly rates Include overhead and profit
—
1
TASK 7 BID DOCUMENTS The 45 7809 hours and the associated $5 035 90 1
amount shown for Sflawlse Design In Task 7 is for a portion of the total amount
($9 824 80) that exceeded the maximum amount payable In the Nakano Assoc
nvoice #6647 A portion ($3 714 80) of the $5 035 90 amount has not been paid yet
and will be paid upon execution of Supplemental Agreement #1
CHANGE ORDER DIRECTIVE NO 1 TASK 1 AND TASK 2 The $4 688 90
amount shown for Nakano Assoc In Change Order Directive No 1 Is for the actual
amount paid that was allocated by Change Order Directive No 1 but not added to
e Consultant Agreement maximum amount payable The $4 588 90 amount has
I
been paid In Invoices #6413 #6424 and #6437 1
I
I
SUMMARY OF SUPPLEMENTAL AGREEMENT #1
I I
035 90 Task 7 Bid Documents actual amount billed to complete the P S &E
$4 5B8 90 Change Order Directive No 1 actual amount billed (invoices #6413 #6424 and #6437)
1I
$11883 64 Additional amount needed for Task 7 Task 8 and Task 9 for Bidding and Construction phases
—Salary
I 1
$1.325 00 Additional amount needed for Direct Non Casts 7
1 1 1
-22 833 44 Total Increase In Agreement maximum amount payable per Suupplemental Agreement #1
I
$50 760 20 Existing Agreement maximum amount payable
_
$22,833 44 Total increase in A regiment maximum amount oavable Per Supplemental Agreement #1
$73 593 64 New Agreement maximum amount payable
I
EXHIBIT B
SCOPE OF WORK
Note Task numbering derives from original Consultant Agreement RTMT-1815-02 and from Change
Order Directive No 1
90% TO CONSTRUCTION DOCUMENTS PHASE
Note The Task 7 Bid documents work has been completed per the Nakano Assoc invoice #6647, through
Dec 27, 2016 However, invoice #6647 exceeded the maximum amount payable ($50,760 20) by $9,624 80
The total amount of invoice #6647 has not been paid to Nakano Assoc due to the maximum amount payable
limit Task 7 in this supplemental agreement provides for payment of a portion of the remainder of invoice #6647
by increasing the Agreement maximum amount payable
Task 7 Bid documents (completed)
Consultant team will produce Final Bid Documents
Deliverables
Nakano Associates
Bid Documents including
• Trail plan sheets sections and all necessary details (PDF and CAD)
• Mitigation Plan
• Technical Special Provisions to WSDOT Standard Specs( PDF and Word)
• Engineers Cost estimate with quantity takeoff backup ( PDF and Excel)
• X -sections @ 20 interval (PDF and CAD)
• X -section earthwork report at 20 interval (PDF and Excel)
• 100% review comments responses
• Replot Civil sheets stamping & signing plans and special provisions
CHANGE ORDER DIRECTIVE NO 1 (completed)
Note The Change Order Directive No 1 work has been completed and paid per Nakano Assoc invoices
#6413. #6424, and #6437 Change Order Directive No 1 allocated $5.910 00 from other tasks in the Consultant
Agreement, but did not officially increase the amount of the Agreement maximum amount payable The total
amount billed and paid for the work in the Change Order Directive No 1 was $4,588 90 This supplemental
agreement provides for payment of the $4,588 90 by increasing the Agreement maximum amount payable
Task 1 Interpretive Sign Panel
• Create an additional interpretive sign panel depicting the native American history in Chimacum Valley
Task 2 Safety Rail
• Design a safety rad to protect pedestrians and bicyclist from vertical drop-offs and other side -slope hazards
BID PHASE
Task 8 Assist County with bidder questions / pre-bid site visit preparation / addenda preparation
• Project Management Preparation of monthly progress report and invoices Communication and coordination
between the County project manager Nakano Assoc and the consultant team members
Deliverables
Nakano Associates
• Monthly progress report (submitted with monthly invoice)
• Documentation to assist County with bidder questions as required
• Documentation to assist County with pre-bid site visit preparation as required
• Documentation to assist County with addenda preparation as required
CONSTRUCTION PHASE
Task 9 Assist County with pre -construction meeting / contractor submittals / construction inspections /
plant inspections
• Project Management Preparation of monthly progress report and invoices Communication and coordination
between the County project manager Nakano Assoc and the consultant team members
Deliverables
Nakano Associates
• Monthly progress report (submitted with monthly invoice)
• Shop drawing (bridge) / contractor submittal review & approval documentation
• (1) Pre -construction meeting attendance
• Request for Information (RFI) support documentation
• (4) Site visits with associated reports including plant inspection adjacent to trail & at mitigation site during
planting
• Construction Completion punch list documentation as needed
• (2) Plant Inspections during the Plant Selection Including Plant Establishment (PSIPE) period (1 year) with
associated reports
Sitemse Design PLLC
Documentation for construction consultation as required
Smith & Huston Inc
• Shop drawing (bridge) / contractor submittal review & approval documentation The required submittals
include (Project Special Provisions 6-03 3)
1 Working drawings
2 Supporting Design Calculations
3 Weld procedures and welder s certificate of compliance for weld procedures
4 Fabrication submittals
5 Written instructions for lifting procedures and splicing procedures (if required)
• Documentation of the review of the bridge abutment bearing capacity in-situ investigation prepared by
GeoEngineers Inc
• Request for Information (RFI) support documentation
GeoEngineers Inc
• (1) Bridge abutment bearing capacity field investigation Observation of native materials at the bridge
abutment locations during bridge abutment excavation by the contractor Determination of the required
depth of excavation to competent subgrade to support the necessary bridge foundation bearing pressure
The necessary bearing capacity will be determined from the bridge manufacture(s) in advance of field
investigation
• Supplemental geotechnical report to include description of field investigation native subgrade materials final
recommended depth of excavation for abutments
Note ( ) denotes estimated number of trips as shown in Exhibit A-1 Direct Non Salary Costs