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<br />S C " " 0 P " E U'-"F WORK"o
<br />IN GENERAL, THE PROJECT CONSISTS OF THE FOLLOWING:
<br />1. EXCAVATE AND REMOVE EXISTING MATERIAL AND STORMWATER INFRASTRUCTURE (E.G. FLOW SPLITTER,
<br />FLOW DISTRIBUTION TRENCHES, GRAVITY PIPING, ETC,) AS SHOWN HEREIN AND DESCRIBED IN THE
<br />SPECIFICATIONS FROM THE EXISTING PEAT FILTER. EXCAVATED MATERIAL IS ANTICIPATED TO BE
<br />CONTAMINATED WITH LOW LEVELS OF PCBS, METALS, AND PETROLEUM HYDROCARBONS.
<br />2. REMOVE EXISTING FENCE AND ASSOCIATED GATES SURROUNDING THE EXISTING PEAT FILTER.
<br />3. REMOVE EXISTING POWER POLES BETWEEN BUILDING 45-09 AND SEAWAY BOULEVARD.
<br />4, REMOVE OR ABANDON SEGMENTS OF THE EXISTING STORMWATER CONVEYANCE SYSTEM ASSOCIATED
<br />WITH THE EXISTING PEAT FILTER.
<br />5, REMOVE AND REROUTE A PORTION OF THE EXISTING SANITARY SEWER THAT RUNS THROUGH THE
<br />EXISTING PEAT FILTER.
<br />6. INSTALL GRAVITY —BASED CONVEYANCE SYSTEM CONSISTING OF MANHOLES, PIPING, A CONCRETE
<br />STRUCTURE, HYDRODYNAMIC SEPARATORS, AND FLOW CONTROL VALVES AND DEVICES.
<br />7. AUTOMATE EXISTING VALVES LOCATED IN DETENTION BASIN OUTLET RISER.
<br />8. INSTALL AN ABOVE GROUND PUMP AND ASSOCIATED SITE WORK.
<br />9. CONNECT THE NEW GRAVITY -BASED CONVEYANCE SYSTEM TO THE EXISTING STORM DRAIN
<br />INFRASTRUCTURE.
<br />10. REPLACE THE CRUSHED PORTION OF THE STORM DRAIN PIPING WHICH RUNS FROM THE
<br />SEDIMENTATION BASIN THROUGH THE DETENTION BASIN.
<br />11. REPLACE EXISTING PEAT FILTER WITH ENHANCED MEDIA FILTER INCLUDING FLOW DISTRIBUTION AND
<br />UNDERDRAIN COLLECTION SYSTEMS, HDPE LINER SYSTEM, DRAIN ROCK, ENHANCED STORMWATER
<br />TREATMENT MEDIA, MULCH, AND PLANTS,
<br />12. REGRADE AND RECONFIGURE EXISTING PEAT FILTER AREA TO CONSTRUCT ENHANCED MEDIA FILTER
<br />INCLUDING SOIL NAILS FOR MECHANICALLY STABILIZED SIDE SLOPES.
<br />13. INSTALL GUARDRAIL ALONG STEEP SIDE SLOPES ADJACENT TO GRAVEL ROADWAYS.
<br />14. WHERE NEW STORM DRAIN AND SANITARY PIPES AND STRUCTURES ARE INSTALLED, RESURFACE GRAVEL
<br />ROADWAY SURROUNDING THE EXISTING PEAT FILTER.
<br />15. WHERE NEW ELECTRICAL IMPROVEMENTS ARE INSTALLED IN EXISTING PAVED ROAD WAYS, REPLACE
<br />EXISTING PAVEMENT TO MATCH EXISTING CONDITIONS.
<br />16. ELECTRICAL IMPROVEMENTS AND UPGRADES TO POWER NEW INSTRUMENTATION AND PUMPS.
<br />17. UPDATE EXISTING ENERGY MANAGEMENT CONTROL SYSTEM (EMCS) TO INCLUDE NEW
<br />INSTRUMENTATION.
<br />BOEING CONTACT:
<br />BRINGEDAHL
<br />fROJECT ADMINISTRATOR
<br />HORIZONTAL DATUM: WASHINGTON STATE
<br />COORDINATE SYSTEM, NORTH ZONE
<br />NAD 83 (91)
<br />VERTICAL DATUM: NATIONAL GEODETIC
<br />VERTICAL DATUM 1929 (NGVD 29)
<br />LOC,�fION MA[rJ--'
<br />LOCATION MAP
<br />SCALE: N.T.S.
<br />N SITE MAP N
<br />SCALE: N.T.S.
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