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EXHIBIT A <br />CONTACTS <br />VALLEY VIEW SEWER DISTRICT GENERAL MANAGER <br />VALLEY VIEW SEWER DISTRICT SUPERVISOR <br />RH2 ENGINEERING PROJECT MANAGER <br />RH2 ENGINEERING PROJECT ENGINEER <br />DANA DICK <br />ANDREW LARUE <br />JOHN HENDRON, P.E. <br />ZACH SCHREMPP <br />206 - 242 -3236 <br />206-242-3236 <br />425-951-5326 <br />425 - 951 -5319 <br />SHEET NO. <br />DRAWING INDEX <br />SHEET TITLE <br />DWG NO. <br />BYPASS PIPING PLAN <br />SEWER WORK AREA NO. 1 <br />SEWER WORK AREA NO. 2 <br />CO1 <br />CO2 <br />CO3 <br />CO4 <br />DETAILS II <br />D02 <br />u <br />24 -INCH DIAMETER <br />SANITARY SEWER <br />GENERAL NOTES <br />1. ALL WORK SHALL CONFORM TO THE RULES AND REGULATIONS OF VALLEY VIEW SEWER DISTRICT. <br />2, ALL WORK SHALL CONFORM TO THE REQUIREMENTS OF VALLEY VIEW SEWER DISTRICT AND OTHER PROJECT PERMIT REQUIREMENTS AS <br />APPLICABLE. PERMITS INCLUDE CITY OF SEATAC RIGHT -OF -WAY PERMIT. <br />3, ALL APPLICABLE CITY OF TUKWILA DEPARTMENTS SHALL BE NOTIFIED PRIOR TO COMMENCEMENT OF CONSTRUCTION. ALL TESTING AND <br />CONSTRUCTION SHALL BE INSPECTED BY VALLEY VIEW SEWER DISTRICT. <br />4. LOCATIONS SHOWN ON EXISTING UTILITIES ARE APPROXIMATE. IDENTIFICATION, LOCATION MARKING AND RESPONSIBILITY FOR UNDERGROUND <br />FACILITIES OR UTILITIES IS GOVERNED BY PROVISIONS OF CHAPTER 19.122 REVISED CODE OF WASHINGTON. <br />5, UTILITY LOCATIONS, RIM ELEVATIONS, INVERTS, DEPTHS, AND OTHER INFORMATION ARE DERIVED FROM A VARIETY OF SOURCES, INCLUDING <br />CH2MHILL'S SURVEY, VALLEY VIEW SEWER DISTRICT GIS, VALLEY VIEW SEWER DISTRICT RECORD DRAWINGS, APS POTHOLING, AND FIELD <br />RECONNAISSANCE BY VALLEY VIEW SEWER DISTRICT AND RH2 ENGINEERING. THE CONTRACTOR MAY ENCOUNTER VARIATIONS BETWEEN ACTUAL <br />CONDITIONS AND THOSE SHOWN ON THE PLANS. THESE VARIATIONS WILL NOT BE THE BASIS FOR A CLAIM FOR ADDITIONAL COMPENSATION. <br />6. PIPE MATERIAL OF SEWER MAIN AND SIDE SERVICES LOCATED IN PERMANENT EASEMENTS SHALL BE AS NOTED ON PLANS. SIDE SERVICES <br />LOCATED ON PRIVATE PROPERTY SHALL BE PVC. SEWER MANHOLES SHALL BE 48" DIAMETER UNLESS OTHERWISE NOTED. <br />7, MINIMUM SEPARATION OF POTABLE WATER MAINS AND SANITARY SEWER LINES SHALL BE TEN (10) FEET HORIZONTALLY FOR PARALLEL PIPE, AND <br />EIGHTEEN (18) INCHES VERTICALLY FOR PERPENDICULAR OR OBLIQUE CROSSINGS, MEASURED FROM OUTSIDE EDGE TO OUTSIDE EDGE. <br />SITUATIONS OCCURRING WITH LESS THAN MINIMUM SEPARATION WILL REQUIRE CONSTRUCTION IN ACCORDANCE WITH SECTION C1-9 OF THE <br />'CRITERIA FOR SEWAGE WORKS DESIGN" PUBLISHED BY THE WASHINGTON STATE DEPARTMENT OF ECOLOGY AS REVISED OCTOBER 2006, <br />8. CAUTION - EXTREME HAZARD - OVERHEAD ELECTRICAL SERVICE LINES ARE GENERALLY NOT SHOWN ON THE DRAWINGS. ELECTRICAL LINES SHOWN <br />ON THE DRAWINGS ARE LOCATED BY POINT -TO- POINT, POWER POLE -TO POWER POLE CONNECTION. THE CONTRACTOR IS RESPONSIBLE FOR <br />DETERMINING THE EXTENT OF ANY HAZARD CREATED BY OVERHEAD ELECTRICAL POWER IN ALL AREAS AND SHALL FOLLOW PROCEDURES DURING <br />CONSTRUCTION AS REQUIRED BY LAW AND REGULATION. PRIOR TO CONSTRUCTION THE CONTRACTOR SHALL MEET WITH UTILITY OWNERS AND <br />DETERMINE THE EXTENT OF HAZARD AND REMEDIAL MEASURES AND SHALL TAKE WHATEVER PRECAUTIONS MAY BE REQUIRED. <br />9. WHERE IT IS NECESSARY TO REMOVE AND OTHERWISE DISTURB EXISTING MAILBOXES AND /OR NEWSPAPER BOXES WITHIN THE LIMITS OF THIS <br />PROJECT, THE CONTRACTOR SHALL INSTALL THE BOXES TEMPORARILY IN SUCH POSITION THAT THEIR USEFULNESS WILL NOT BE IMPAIRED. AFTER <br />CONSTRUCTION WORK HAS BEEN COMPLETED, RELOCATED MAIL AND NEWSPAPER BOXES SHALL BE REINSTALLED AT THEIR ORIGINAL LOCATION OR <br />RELOCATED BEHIND WALKWAY SO THAT THE FRONT OF THE MAILBOX IS 1? TO 16. FROM EDGE OF WALKWAY AND 36" TO 4? ABOVE GRADE AT EDGE <br />OF WALKWAY. <br />10. THE CONTRACTOR SHALL PROVIDE EROSION AND SEDIMENTATION CONTROL FACILITIES AS REQUIRED IN ACCORDANCE WITH THE REQUIREMENTS <br />OF PROJECT PERMITS. SUCH FACILITIES SHALL INCLUDE SILT FENCING, FILTER FABRIC PROTECTION OF CATCH BASIN, PROTECTION OF DRAINAGE <br />DITCHES, AND OTHER MEASURES AS MAY BE REQUIRED. <br />11. UNLESS SHOWN OTHERWISE, ASSUME ALL NON- HATCHED (WHITE) AREAS IN THE PLAN VIEW ARE LAWN AREAS TO BE RESTORED, <br />12. CONTRACTOR TO PROVIDE SUITABLE TEMPORARY BYPASS SOLUTION AS REQUIRED PER THE PLANS AND SPECIFICATIONS. FROM 8/1/2015 0:00 TO <br />8/20/2015 15:00, THE PEAK SANITARY SEWER FLOWRATE OBSERVED IN THE 42ND AVE S SEWER MAIN WAS 343 GPM, DURING THIS TIME PERIOD, THE <br />FLOWRATE EXCEEDED 100 GPM 100% OF THE TIME, 200 GPM 70% OF THE TIME, 250 GPM 27% OF THE TIME, AND 300 GPM 1% OF THE TIME. <br />4145■, SSMH E170 CAR <br />PORT <br />LEGEND <br />EXISTING <br />SS <br />ST — <br />RIGHT -OF -WAY CENTER LINES <br />PROPERTY LINES <br />RIGHT -OF -WAY LIMITS <br />PERMANENT SANITARY <br />SEWER EASEMENT <br />EASEMENT LINES <br />CONTOUR 5' <br />CONTOUR 1' <br />DITCH LINE <br />FLOW LINE <br />WATER MAIN <br />SANITARY SEWER MAIN <br />STORM DRAIN MAIN <br />GAS LINE <br />TELEPHONE LINE <br />OVERHEAD POWER LINE <br />FENCE AS NOTED <br />ROAD EDGE MARKER LINE <br />CURB <br />WATER VALVE <br />FIRE HYDRANT <br />WATER METER <br />MANHOLE (SS) <br />CB <br />POWERAJTILITY POLE <br />GUY ANCHOR <br />STREET LAMP <br />TELEPHONE/TV RISER <br />TREE <br />SIGN <br />SURVEY CONTROL POINT <br />SURVEY BENCHMARK <br />MAILBOX <br />PROPOSED <br />STATION LINE <br />PROPOSED GRAVITY SEWER <br />PROPOSED SIDE SEWER STUB <br />PROPOSED STORM DRAIN <br />PROPOSED SEWER MANHOLE <br />HMATRENCH PATCH <br />#15421 <br />SSMH E18-24 <br />SEWER WORK <br />AREA NO. 1 <br />SSMH E17 -70 <br />#15451 <br />SEWER WORK <br />AREA NO.2 <br />SSMH E17 -51 <br />SSMH E17-49 <br />SSMH E17-53 <br />SSMH E17-52 <br />SEWER WORK <br />AREA NO. 3 <br />12" PSE HIGH PRESSURE <br />STEEL GAS MAIN <br />EXISTING SITE PLAN <br />= 30' <br />W <br />1— <br />O <br />z <br />J <br />CZ <br />CC <br />w <br />w <br />z <br />z <br />5 <br />a <br />w <br />1- <br />N <br />0 <br />N <br />R <br />REVISIONS <br />a <br />SCALE: SHOWN <br />o r <br />DRAWING 6HRLSCALEWHEN <br />EIARMEASLOIES <br />DWG NO: SHal Kt: <br />col <br />