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BOEING COMMERCIAL AIRPLANE GROUP
RENTON WASHINGTON
Replace sewer lift station near 4-42, Fuel spill containment at Apron D,
Modify D-50 gate entrance
737 Logan avenue north Renton WA 98055
Adjacent to the shoreline of the Cedar River
Adjacent to Boeing Renton plant site and Renton municipal Airport
Master use permit, Environmental Checklist, Substantial Shoreline development
permit is the land use permits for the proposed projects.
Zoning designation is Urban Center north 2
Boeing Commercial Airplane plant in Renton to the Renton Airport
The Cedar River & Lake Washington are the Special site features
Sandy silt loam is the soil type. The work is within 200 ft. of the ordinary high
water mark of the Cedar River
The North area of the Cedar River has abundant variety of fish and wildlife
No trees will be removed. No vegetation to be disturbed along the bank
.
No views will be obstructed by the proposed project
The project is 100% impervious surface
Cost of three tasks is 1, 570, 000
The project consists of three separate tasks at the Boeing main Renton
plant and at the Renton Municipal airport Boeing Fuel spill containment at
Apron D, Modify D-50 gate entrance
Task one Replace sewer lift station near 4-42,
Replace sewer lift station task is just west of the 4-42 bldg underneath the
Boeing internal roadway on the east side of the Cedar River
Task two Fuel spill containment at Apron D, Modify D-50 gate entrance
Fuel spill containment at Apron D is near the Boeing south bridge adjacent to the
bank on the east side of the river
Task three Modify D-50 gate entrance
Modify D-50 gate entrance is adjacent to East. Perimeter road and west of the
Cedar River on Boeing leased airport property.
Task one
Replace sewer lift station near 4-42
Scope of Work
The scope of work for this task involves replacement of Building 4-42
sewage lift station. This lift station serves Building 4 -42, 4-41 and west side
of Building 4-20.
The new lift station shall be constructed and readied to place on line. During
an outage, the sewer pipes shall be switched from the old lift station to the
new lift station without impacting the building operations. Design of the new
lift station shall take into effect the need to keep the buildings operational
except for the switchover. Reroute existing fire line for new lift station
The scope of work includes installation of a new vault for collection of
sewage, two new submersible sewage pumps, controls and piping. The
existing 8” sewer line from Building 4-42 and 4-41 will be rerouted to the
new 8 ft. sewage lift station vault.
A 48” diameter manhole will be installed to collect the sewage upstream of
the new vault The 4” discharge line from the new sewage pumps will be
connected to the existing 4” sewage discharge line just south of the new lift
station.
The old sewage lift station will be demolished and filled in after the new lift
station is put into service. Impervious surface disturbance is approx.
1900 sq. ft.
Task Two
Modify existing Boeing Gate D-50 entrance to add a pedestrian
walkway path
Scope of Work
This scope of work for this task involves of removal of a 24ft automatic
gate and 60 ft. of existing fencing to create new opening, Remove asphalt
and curbing.
The Installation of 136 LF of new 7 ft. high fencing, and new 36 ft. wide
double swing gate. Add 1each traffic control swing arm
Replace Approx. 3280 sq. ft. of existing Asphalt
Add 2 new concrete bollards
Add new 3 x 7 exterior door, 4x 4 concrete landing, metal stairs and 3x5
awning at existing guard house
Relocate 2 each light fixtures 7’ high on existing guard shack. Point light
fixtures downwards and away from Cedar River
Task 3
Fuel spill containment Apron D
Scope of Work
The project will add a new fuel containment to the Boeing Apron D which
is used for 737 Aircraft stalls.
Replacement of 72” storm drainage manhole with an 84” storm drainage
manhole, and install 2 each new 5000 gallon fuel spill containment tanks
Replace both 7 LF of existing 24 & 12 diameter pipes.
The project will then replace 840 sq. ft. of existing Asphalt pavement. and
750 sq. ft. of concrete pavement for a total of 1,590 total replaced
pavement