HomeMy WebLinkAboutR-1993-069 CH2M Hill / SprayfieldRESOLUTION NO. R-93- _61.
A RESOLUTION authorizing the execution of Amendment No. 2 to Agreement for
Professional Services Between City of Yakima, Washington and
CH2M Hill Northwest, Inc. for Land Application Monitoring
Professional Services.
WHEREAS, the City of Yakima owns and operates a wastewater treatment
facility and industrial sprayfield on a combined acreage of 130 acres; and
WHEREAS, the City is required under the terms of Chapter 173-200 of the
Washington Administrative Code to evaluate ground water quality at its
wastewater treatment facility; and
WHEREAS, heretofore pursuant to City of Yakima Resolution No. D-6069 the
City of Yakima entered into an agreement between the City of Yakima and CH2M
Hill Northwest, Inc. for professional services to provide a wide range of
professional engineering services in compliance with the aforementioned
requirement; and
WHEREAS, the aforementioned agreement requires amendments to add
additional tasks to provide for overall compliance with the aforementioned
chapter of the Washington Administrative Code; and
WHEREAS, CH2M Hill Northwest, Inc. has been selected from a list of
engineering firms which provides professional engineering services all in
compliance with RCW Chapter 39.80, now, therefore,
BE IT RESOLVED BY THE CITY COUNCIL OF THE CITY OF YAKIMA:
The City Manager and City Clerk are hereby authorized and directed to
execute the attached and incorporated Amendment No. 2 to Agreement for
Professional Services Between City of Yakima, Washington and CH2M Hill
Northwest, Inc., for Land Application Monitoring Professional Services.
ADOPTED BY THE CITY COUNCIL this 6th day of July , 1993.
ATTEST: Mayor
City Clerk
_s res saner CH2M Hill �'�
AMENDMENT NO. 2
TO
AGREEMENT FOR PROFESSIONAL SERVICES
BETWEEN
CITY OF YAKIMA, WASHINGTON AND CH2M HILL NORTHWEST, Inc.
FOR
LAND APPLICATION MONITORING PROFESSIONAL SERVICES
The CITY and CONSULTANT agree that the following provisions, changes and
modifications are made a part of the agreement signed March 12, 1992:
SECTION 2 SCOPE OF WORK, EXHIBIT A
Add the following Phases IV and V:
PHASE IV - SITE SUITABILITY STUDY.
TASK 4.1 PRELIMINARY SITE SUITABILITY STUDY
A preliminary site suitability study of the City's industrial wastewater land application
facility will be performed to evaluate if the sprayfield can continue to operate under
current application rates, wastewater characteristics, and agronomic factors. Where
possible, the study shall be based on existing data and shall also evaluate impacts of
planned industry process changes. It is anticipated that additional site soil data and
wastewater characterization information will be required to complete the suitability study.
Specific services to be provided and items to be addressed are as follows:
4.1.1 Prepare a work plan outlining the approach and methods to be used in the site
suitability study. Submit a draft Site Suitability Work Plan to the City for
review and comment. Meet with City staff to receive and discuss review
comments. Make necessary revisions to the draft work plan and submit 6 copies
to the City.
4.1.2 Conduct soils characterization and mapping at the sprayfield. National
Cooperative Soil Survey (NCSS) Order 3 mapping shall be performed at the
land application site. Test pit excavation, sample handling and shipping for
laboratory analysis shall be performed by City personnel.
4.1.3 Compile and evaluate existing wastewater characterization information available
from the City and the contributing industries. Discuss and evaluate planned
process changes with the contributing industries. Assess the impact of the
planned process changes on sprayfield operations and groundwater quality.
4.1.4 Evaluate hydraulic, nutrient, and organic loading capability of the site. Perform
a site water balance. Identify the design limiting parameters for sprayfield
operation.
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4.1.5 Identify and provide cost estimates of methods to reduce negative aesthetic
impacts of the continued operation of the sprayfield as it relates to the proposed
expansion of the Yakima River Greenway path, expansion of the City's sludge
storage pad, State Highway 24 modifications, and improvements such as
additional clarifier to the wastewater treatment facility. Operations effects
considered will be wind borne spray, ponding, sprinkler head plugging, reduced
pipeline flow and resulting increased detention time, and sprinkler head
operation. These aesthetic issues shall include impacts from odor, wastewater
over spray, aerosols, and visual observations.
4.1.6 Consider the potential for regulatory liability in the event the City is in violation
of groundwater regulations. Regulatory liability shall include citizen as well as
environmental agency suits. Address the issue of future changes in the future
regulations with the understanding that regulations are contirumlly being revised
and complete compliance may not be possible.
4.1.7 Address, with the City's assistance, the political implications of assuming the
risk of adopting treatment technology which may not be fully accepted by the
regulators and all of its attendant monitoring and operational responsibilities.
4.1.8 Prepare a technical memorandum documenting the preliminary site suitability
study activities, conclusions, and recommendations. Submit a draft of the
memorandum to the City for review and comment. Meet with the City staff to
receive and discuss review comments. Make necessary revisions to the draft
memorandum and provide 24 copies of the final technical memorandum to the
City.
4.1.9 Attend one meeting in Yakima to discuss the results of the preliminary
suitability study with The City and participating industry representatives.
4.1.10 Attend one meeting in Yakima to discuss the results of the preliminary
suitability study with the Washington State Department of Ecology (Ecology).
4.1.11 The suitability study shall be drafted prior to the 1993 sprayfield operating
season (June 30, 1993) in order to provide the City with an assessment of the
viability of continuing sprayfield operations as well as recommendations on
operational adjustments for the 1993 season to minimize impacts to the
groundwater quality beneath the site. This task completion date assumes CH2M
HILL will receive a notice to proceed by April 15, 1993.
TASK 4.2 MID 1993 SEASON SPRAYFIELD ASSESSMENT
During the 1993 sprayfield operating season, CH2M HILL shall analyze the wastewater
characterization, soil, and groundwater data collected by the City and the industries. The
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purpose of this task is to provide a mid-season assessment of the sprayfield operations
and the effectiveness of the wastewater treatment provided by the site. Specific services
to be provided and items to be addressed are as follows:
4.2.1 Contact the contributing industries to obtain details of completed and planned
process changes at the beginning of the 1993 sprayfield operating season.
4.2.2 Obtain and evaluate the results of ongoing monitoring programs at the sprayfield
during the 1993 operating season. These programs involve soil, groundwater,
pond, and wastewater characterization. Data will be collected from two
industries and the City's pump station.
4.2.3 Compare industry wastewater discharge characteristics to influent pump station
wastewater characteristics. Assess the presence of infiltration or illegal hook
ups that could significantly affect the industrial waste system.
4.2.4 Obtain and compile 1993 sprayfield operational information and available
wastewater, soil, groundwater, and pond monitoring data from the City and/or
contributing industries. Calculate hydraulic, nutrient, and organic loading rates.
4.2.5 Prepare a letter report documenting the mid-season performance of the
sprayfield operation based on the monitoring results available at the end of
September 1993. The letter report will be submitted to the City in October
1993 and contain recommendations (if necessary) on operational adjustments for
the remainder of the 1993 operating season. The letter report shall address the
impacts of completed process changes made by the contributing industries.
4.2.6 Attend one meeting in Yakima to discuss the results of the mid-season
assessment of sprayfield operations with The City and participating industry
representatives.
TASK 4.3 1994 SPRAYFIELD OPERATION PLANNING
Continue communication with the contributing industries and evaluating wastewater
monitoring results in order to assess the impacts of planned industry process changes on
1994 sprayfield operations. Specific services to be provided and items to be addressed
are as follows:
4.3.1 Contact the contributing industries to obtain details on planned process changes
to be completed prior to beginning the 1994 sprayfield operating season.
4.3.2 Prepare a letter report describing planned process changes and an evaluation of
the impacts of these changes on the 1994 sprayfield operations.
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PHASE V - DETAILED ENGINEERING REPORT
TASK 5.1 DATA COLLECTION AND INTERPRETATION
Should the site suitability study indicate that the sprayfield operation is viable at this
location, and the City plans to continue operating the sprayfield, this data collection task
shall focus on obtaining the remaining information necessary to prepare a detailed
engineering report (Task 5.2). The components of the detailed engineering report shall
consist of the pertinent sections in Ecology's Draft Guidelines For Preparation of
Engineering Reports For Industrial Wastewater Land Application Systems, dated
November 1992 (Draft Guidelines). Phase V shall not be initiated until the City has
reviewed the suitability study results and authorized CH2M HILL to proceed. Specific
services to be provided and items to be addressed are as follows:
5.1.1 Obtain authorization from the City to proceed with Phase V.
5.1.2 Update the project summary. This shall include documenting the sprayfield
system operations and all operating changes implemented for the 1993 operating
season by the City and industries.
5.1.3 Obtain site consideration information as described in the Guidelines on Page 11.
In addition, conduct a wetlands survey of the land application site. The wetland
designation shall be performed using the Federal Manual For Identifying and
Delineating of Jurisdictional Wetlands, 1989, U.S. Corps of Engineers, U.S.
Environmental Protection Agency, U.S. fish and Wildlife Service, and
U.S.D.A. Soil Conservation Service. The wetland rating shall be performed as
outlined in the Washington State Wetlands Rating System: Eastern Washington,
October 1991, Ecology Publications #91-58.
5.1.4 Confirm land uses adjacent to the land application site, current zoning, and
identify planning restrictions.
5.1.5 Meteorological data shall be obtained from Yakima Airport records and other
published sources. Monthly mean values with a 10 -year recurrence interval for
air temperature, solar insolation, pan evaporation, wind speed, and precipitation
shall be calculated from available data.
5.1.6 The City shall prepare and provide topographical maps of the entire Industrial
Waste Sprayfield on their geographic mapping system.
5.1.7 Update of the site geology and hydrogeology discussions in the Preliminary
Engineering Report and Water Quality Monitoring Work Plan by incorporating
the onsite drilling results presented in the 1992 Groundwater Monitoring
Summary Report, and additional soil data obtained in Phase IV.
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5.1.8 Review the identification of design limiting parameters and water balance
calculations conducted in Phase IV. Update the Phase IV results if new
information is available (e.g. wastewater characterization data from the 1993
operating season).
5.1.9 Obtain details of the site cross fencing and livestock rotation management from
the City. Prepare irrigation and crop management plans as outlined in
Ecology's Draft Guidelines.
5.1.10 Review existing sprayfield emergency response options. Provide the City with
an overview of a wastewater storage option and conceptual design order -of -
magnitude costs.
TASK 5.2 PREPARE DETAILED ENGINEERING REPORT
This task involves compiling the information obtained in Phase IV and Task 5.1 of this
Phase, and information contained in the Preliminary Engineering Report and Water
Ouality Monitoring Work Plan and the 1992 Groundwater Monitoring Summary Report.
The information will be presented and discussed in a detailed engineering report as
suggested in Ecology's Draft Guidelines. Specific services to be provided and items to
be addressed are as follows:
5.2.1 Prepare a detailed engineering report that addresses the pertinent components of
Ecology's Draft Guidelines (November 1992). Submit three copies of the draft
report to the City for review and comment. Meet with City staff to receive and
discuss review comments. Make necessary revisions to the draft report and
submit three copies of the final draft to Ecology for review and comment. Meet
with Ecology staff to receive and discuss review comments. Make necessary
revisions and submit 24 copies of the final report to the City.
SECTION 5 COMPENSATION
Add the following Section 5.2.1.
5.2.1 Unless specifically authorized by the City, the total cost to the City for Phase IV
shall not exceed Forty One Thousand, eight hundred dollars ($41,800) and
Phase V shall not exceed Fifty Thousand, two hundred dollars ($50,200).
At the signing of this Amendment No.2, it is anticipated that there could be numerous
alternatives or options to be evaluated in the Phase IV, Task 4.1, site suitability technical
memorandum. The alternatives range from minor sprayfield operational adjustments to
complete relocation of the sprayfield facility. The options to be evaluated shall include
but not be limited to:
Page 5 of 6
• Continuing the present land application method with some modifications
such as pretreatment at industrial sites or at the land application site.
• Treatment of industrial waste in the city's domestic waste treatment
facilities after pretreatment at industrial sites or at the domestic treatment
plant site.
• Complete relocation of the Industrial Waste Sprayfield.
The study shall evaluate all relevant data and identify all reasonable treatment
alternatives. The budget herein is adequate for evaluating five alternatives requiring four
man -days of labor.
The evaluation will discuss each alternative in terms of capital, operations, maintenance
and replacement costs and non -economic considerations. Non -economic considerations
shall include aesthetic impacts and opinions of regulatory consequences. Conclusions
from the evaluation will be clearly presented for comparison of alternatives and
requirements for implementation.
City of Yakima CH2M HILL Northwest, Inc.
By L \ By —. C-e.---e_.�1
Title City Manager Title 4/,___----,, k-z\:e
Date '7/J 4 r 3 Date '1slz- - cb3
Attest:
City Clerk
C TY CONTRACT NO.g3 ✓410 `7
Page 6 of 6
AMENDMENT NO. 1
TO
AGREEMENT FOR PROFESSIONAL SERVICES
BETWEEN
CITY OF YAKIMA, WASHINGTON AND CH2M HILL NORTHWEST, Inc.
FOR
LAND APPLICATION MONITORING PROFESSIONAL SERVICES
The OWNER and ENGINEER agree that the following provisions, changes and modifications
are made a part of the agreement signed March 12, 1992:
SECTION 5 COMPENSATION
Replace Table A, 1992 HOURLY RATES with the following:
Table A
1993 HOURLY RATES
Personnel Grade
Hourly Rate
$/hour
E7 119.80
E6 112.86
E5 96.65
E4 84.35
E3 71.65
E2 65.52
El 58.97
E0 50.78
T5 79.45
T4 67.16
T3 58.15
T2 49.14
T1 43.41
TA 32.76
AE57 39.31
0 39.31
CITY(.19 YAKIMA
By=`���6\
Printed Name R, P. Z t s 1
CH2M HILL NORTHWES Inc.
By 10simg.sz-- t i \ -G.- ,-
Printed Name D. Collins Martin
Title CI h) ytx- Title �s
Date '3 - / - 9 Date 2'1 • c")3
CITY CO T{'iaCT WO: C/13---7-0
AMENDMENT NO. 1
TO
AGREEMENT FOR PROFESSIONAL SERVICES
BETWEEN
CITY OF YAKIMA, WASHINGTON AND CH2M HILL NORTHWEST, Inc.
FOR
LAND APPLICATION MONITORING PROFESSIONAL SERVICES
The OWNER and ENGINEER agree that the following provisions, changes and modifications
are made a part of the agreement signed March 12, 1992:
SECTION 5 COMPENSATION
Replace Table A, 1992 HOURLY RATES with the following:
Table A
1993 HOURLY RA1 hS
Personnel Grade
E7
E6
E5
E4
E3
E2
El
E0
T5
T4
T3
T2
Ti
TA
AE57
O
CITY OF YAKIMA
By d
Printed Name -Ze oc e R . ice S
Title )
S S;.St o -v1- C , S7; e<< A f •e i,td e rt- t
Date �<� / 73
Hourly Rate
$/hour
119.80
112.86
96.65
84.35
71.65
65.52
58.97
50.78
79.45
67.16
58.15
49.14
43.41
32.76
39.31
39.31
CH2M HILL NORTHWEST, Inc.
B;7 -7: -.(OO ,-
Printed Name. (..oA i `r\S
Title b
Date t • Z� -`)3