HomeMy WebLinkAboutRau & Associates, Inc. 2010-08-03; Amendment 4 2019-01-17cou'1Z13-Iso "A'{
CITY OF UKIAH
AMENDMENT NO. 4
TO AGREEMENT FOR PROFESSIONAL CONSULTING SERVICES
DATED AUGUST 3, 2010
TERMS AND CONDITIONS
All terms and conditions of the Agreement for Professional Consulting Services dated
August 3, 2010; the First Amendment dated January 6, 2016; the Second Amendment
dated June 30, 2016; and the Third Amendment dated January 6, 2017 shall remain in
force and effect except as modified by this fourth amendment.
AUTHORIZATION
Upon execution of this amendment, service provider is authorized to provide the service
described under the Scope of Additional Work identified in this Amendment No. 4.
SCOPE OF ADDITIONAL WORK
Work authorized by this amendment shall include that work described in the
letter proposal received from Rau and Associates, Inc. on October 30, 2018. A copy of
said letter is included in this fourth amendment.
COMPENSATION
Compensation for the performance of the additional work shall be made on a time and
expense basis at Consultant's customary fees. Expenses shall not exceed a maximum
total cost of $5,300.
RAU AND ASSOCIATES, INC
BY:
GEORGE'C. RAU
/- / 7— ./7
DATE
Amendment No. 4 to Agreement for
Professional Consulting Services
BY:
CITY OF UKIAH
Z
DATE
AND ASSOCIATES INC.
CIVIL ENGINEERS • LAND SURVEYORS
City of Ukiah, Public Works Department
Attn: Tim Eriksen, Director of Public Works
Rick Seanor, Deputy Director of Public Works
300 Seminary Ave
Ukiah, CA, 95482
November 4, 2016
Jab Number R10064.1
RECEIVED
OCT 3 0 2018
CITY OF UKIAH
DEPT_ OF PUBLIC WOWS
RE: CHANGE TO SCOPE OF WORK: ADDITIONAL CONSTRUCTION REVIEW AND TESTING;
CONSTRUCTION STAKING FOR RECONSTRUCTION OF SMITH STREET IN UKIAH TO
INCLUDE ENTIRE WIDTH OF SMITH STREET BETWEEN BOX CULVERT AND MASON
STREET, TOGETHER WITH SIDEWALK, CURB AND GUTTER ON SOUTH SIDE PLUS TWO
ACCESSIBLE RAMPS AT MASON AND SMITH STREET, FOR A LENGTH OF
APPROXIMATELY 100 LINEAR FEET.
Gentlemen:
This letter is to request an amendment to our Agreement for Professional Consulting Services, dated
August 10, 2010. During the bid period, it was decided to add approximately 100 linear feet of
reconstruction of Smith Street between the box culvert conveying Gibson Creek and the intersection with
Mason Street. At Mason Street, two accessible ramps were added for compliance with accessible
standards. City Staff designed the accessible ramps and curb and gutter replacement on the south side
of Smith Street. Rau and Associates, Inc. was already authorized to provide the construction staking and
construction review for the original length of Smith Street which was to be reconstructed. It is a logical
extension of their work to provide the same services for the extension east to Mason Street.
This request for an amendment identifies two tasks which must be increased in order to have construction
review of the project and have it staked for construction.
Amendment 4 - Task 1 — Construction Review and Testing
During construction it is anticipated that there will be areas of the subgrade exposed which will require
special treatment. These areas will be reviewed by a geotechnical engineer from our firm. It is
anticipated that a geogrid such as TX -5 by Tensar will be recommended to be installed to assist in
bridging over the areas without significant sub -excavation and re -compaction. The structural section
recommended is 1.0 foot of aggregate base to support 0.4 feet of hot mix asphalt applied in two layers.
This structural section overlaid on a geogrid should be able to bridge over the expected soft spots. We
would observe and approve the condition of the subgrade soils prior to the installation of the geogrid, but
no compaction testing of the subgrade will be performed.
Compaction testing will be done on the surface of the aggregate base before the street is paved to assure
that the base has been adequately compacted. One maximum dry density test will be performed on the
aggregate base material to provide a proctor test for the compaction of the aggregate base. A proof -roll
test will also be conducted to assure a firm and stable surface has been established for the pavement
layers to be applied.
A brief letter report of conditions encountered and the results of the compaction testing will complete the
construction phase work.
100 NORTH PINE STREET • UKIAH, CALIFORNIA 95482 • 707-462-6536 • FAX 707-463-2729
www.rauandassoc.com
RECEIVED
City of Ukiah, Public Works Department October 29, 2018
OCT 3 0 2018
CITY Of UKIAtf
Amendment 4 - Task 2 -- Construction Staking DEPT. OF PUBLIC WOQKS
The estimated cost of this task is $2,400.
Construction staking is anticipated to be done in two steps. The first step will be to stake the curb, gutter
and sidewalk to conform to accessible standards. It is assumed that the contractor will cut the street two
or three feet from the current lip on gutter on the south side, then construct the curb and gutter, then
construct the accessible sidewalk. Initial stakes will include an offset from the face of curb. The two
accessible ramps will be staked for construction in conformance with the plans prepared by the City staff.
The second phase is anticipated to be after the sidewalk curb and gutter is completed. Then the
contractor will remove the street pavement section and reconstruct it. There are several locations along
the street centerline to stake for proper grading.
The estimated cost of this task is $2,900.
Our current "Schedule of Fees — Table 33" is attached to Amendment #2 which has already been
approved.
The cost of this additional work is estimated to be a maximum of $5,300 at our current hourly fee
schedule.
Very truly yours,
Ae-0(-26 /de&
George C. Rau, P.E.
President
Attachment: Task -Hour Breakdown
2 L
Budget Worksheet Continued
Job No. R10064
Job Name: Smith Street Rehab
PHASES
Rate/Cost
Registered Civil Engineer Principal 175
Associate Civil Engineer 140
Survey Manager 135
Chief of Party (PW) 135
GPS Specialist 135
Construction Inspector (PW) 128
Instrument Operator (PW) 118
Materials Tester (PW) (w/o
Nuclear Gauge Charge) 116
Sr. Staff Engineer 115
Rodman (PW) 115
QSO/QSP Specialist (non PW) 110
Technician II 72
Project Coordinator 70
Administrative 60
Technician I 38
Vehicle Use (miles) 0.575
RTS 200
Lab Unit Prices 0
Computer Hours 10
Permit Fees 0
Backhoe and Operator 100
Outside Service cost + 15%
Reimbursables cost
BUDGET FOR PHASE
T-4 1
Const Stakin
hrsl
cost
total
2
$ 350
6
$ 840
6
$ 810
$
$
$
$ -
$ -
4
$ 460
$ -
$
$ -
$
$ -
$
$
2
$ 400
$
8
$ 80
$
$ -
$
$ -
28
$ 2,940.00
Fee Schedule 33
T-4.2
Const Review
hrs/
cost
total
3
$ 525
1
$ 140
2
$ 270
$
$
$
$ -
$ -
$
$
$
$ -
$ -
$
$ -
$
$ -
$
$
$
5
$
$
6
$ 935.00
RECEIVED
OCT 302018
GwY OF MAR
DER_ OF PUBLIC WORKS
Worksheet Page 2
T4 3
Com action Testin
hrs/
cost
total
700
$
$
4 $ 464
2 $ 230
$
$
$
$
10 $ 1,394.00
Date: 10-29-2018
hrs/
cost
total
0
$
$
$
$
$
$
hrsl
cost
total
$ -
$ -
$
$
$
$
$
$
$
$ -
$
$ -
5
$
$
$ -
$ -
$ -
$ -
$
$ -
$
0
$
Total This Sheet $ 5.269.00