03-065.00 Spokane County South Greenacres Sewer ProjectMemorandum of Understanding
Between the City of Spokane Valley and Spokane County Regarding Pavement
Replacement Cost Sharing in the South Green Acres Sewer Project
WHEREAS the City of Spokane Valley (the CITY) has incorporated and is planning to
enter into an interlocal agreement with Spokane County (the COUNTY) to facilitate the
continued design and construction of the COUNTY's Sewer Program within the CITY's
corporate limits.
WHEREAS the CITY desires that the roads impacted by the construction of sewers in
the South Green Acre Sewer Project be newly paved, or widened, for an improved
roadway surface.
WHEREAS the CITY also desires that pavement replacement work be extended in
some areas beyond the limits of sewer construction.
WHEREAS the cost of such additional width, and additional length of road
reconstruction is not funded by the COUNTY's Sewer Program, and said cost will need
to be paid by the CITY.
THEREFORE, the CITY and the COUNTY do hereby agree as follows:
1. The percentages shown below shall provide the basis for cost sharing on the
crushed surfacing and pavement bid items included in the South Green Acres Sewer
Project, based upon the road reconstruction limits reflected in the table attached hereto
as Exhibit A.
COUNTY SHARE CITY SHARE
Crushed Surfacing 94.2% 5.8%
Asphalt Concrete Paving 66.8% 33.2%
2. The CITY's cost and the COUNTY's cost shall be calculated using the contract
prices for the South Green Acres Sewer Project. The amount of the CITY's total share
based upon preliminary estimates is $15,366.63 as indicated on Exhibit A. The CITY
and the COUNTY recognize that this estimate is for planning purposes, and that the
actual amount will be based upon final quantities.
3. In the event that the CITY decides to make additions to the scope of the work
indicated on Exhibit A, a corresponding adjustment shall be made to the CITY's share of
the cost based upon the resulting increase in pay quantities and the associated contract
bid prices.
4. During the construction of the South Green Acres Sewer Project, the COUNTY will
provide monthly invoices to the CITY for the CITY'S share of the completed roadway
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replacement. Upon receipt of the invoices, the CITY shall provide payment to the
COUNTY within 30 calendar days.
SPOKANE COUNTY:
County Utilities Director
CITY OF SPOKANE VALLEY:
By: 0'', � ztQ— -
Dave Mercier, City Manager
Date: II Lu
Date: xe/s/'-/��
South Green Acres Sewer Project
Project #103A
Paveback Analysis
Bid Prices:
2" ACP = $4.50
Rock/cy= $24.50
Road Name: Location:
Mission Avenue Flora Road to East End of Project
Road Length
1611 ft
Existing Pavement Width
22 ft
Proposed Pavement Width
24 ft
Additional Pavement Required
358 sy
Road Length x (Prop_ Pavement Width - Exist. Pavement Width)/9
Additional Rock Required
60 cy
(Road Length x (Prop. Pavement Width - Exist. Pavement Width) x 0.5')127
Cost for Additional Pavement
$1,611.00
Additional Pavement Required x 2" ACP Bid Price
Cost for Additional Rock
$1,461.83
Additional Rock Required x Rock/cy Bid Price
Total Additional Cost
$3,072.83
Road Name: Location:
Mission Avenue Flora Road to West End of Project
Road Length:
770 ft
Existing Pavement Width
0 ft
\
Existing Gravel Road Width
22 ft
Proposed Pavement Width
24 ft
Additional Pavement Required
2053 sy
Road Length x (Prop. Pavement Width - Exist_ Pavement Width)/9
Additional Rock Required
29 cy
(Road Length x (Prop. Pavement Width - Exist. Gravel Road Width) x 0.5')/27
Cost for Additional Pavement
$9,240.00
Additional Pavement Required x 2" ACP Bid Price
Cost for Additional Rock
$698.70
Additional Rock Required x Rock/cy Bid Price
Total Additional Cost
$9,938.70
�-► Subtotal Paveback Costs $13,011.54
Tax @ 8.1% $1,053.93
r Contingency @ 10% $1,301.15
Total Paveback Costs $15,366.63