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Home My WebLink AboutD-329602I N 1 0 0 a X GENERAL NOTES: X X1. ALL WORK AND MATERIALS SHALL BE IN ACCORDANCE WITH X THE 2006 EDITION OF THE STATE OF WASHINGTON STANDARD X SPECIFICATIONS FOR ROAD, BRIDGE AND MUNICIPAL X CONSTRUCTION (WSDOT /APWA) AS SUPPLEMENTED BY THE X PROJECT MANUAL FOR CITY OF RENTON DAYTON AVENUE NE AND 22ND STREET DRAINAGE IMPROVEMENTS PROJECT. 2. THE CURRENT EDITION OF THE CITY RENTON STANDARD PLANS IS AVAILABLE AT RENTON CITY HALL. 3. CONTRACTOR SHALL VERIFY ALL DIMENSIONS BEFORE STARTING WORK AND SHALL IMMEDIATELY NOTIFY THE ENGINEER OF ANY DISCREPANCIES. 4. THE CONTRACTOR SHALL EMPLOY THE PROPER STANDARD OF CARE FOR ALL WORK AROUND EXISTING OVERHEAD AND UNDERGROUND UTILITIES. THE CONTRACTOR SHALL BE FULLY RESPONSIBLE FOR THE PROTECTION OF ALL EXISTING UTILITIES IN ACCORDANCE WITH SECTION 1 -07.17 OF THE SPECIFICATIONS. THE CONTRACTOR SHALL VERIFY ALL UTILITY LOCATIONS PRIOR TO CONSTRUCTION BY CALLING THE UNDERGROUND LOCATE LINE 1- 800 - 424 -5555 A MINIMUM OF 3 WORKING DAYS BEFORE ANY EXCAVATION. 5. IN ORDER TO AVOID CONFLICT AND TO ALLOW FOR ADJUSTMENTS TO BE MADE, THE CONTRACTOR SHALL POTHOLE EXISTING UTILITY LINES AS REQUIRED TO DETERMINE LOCATIONS IN ADVANCE OF CONSTRUCTION. THIS WORK SHALL BE INCIDENTAL TO OTHER BID ITEMS. 6. AT SOME LOCATIONS NEW FACILITIES AREA LOCATED IN VERY CLOSE PROXIMITY TO EXISTING FIBER OPTIC LINES, WATER LINES, STORM DRAINS, AND OTHER UTILITIES. THE LOCATION OF THE UTILITIES ARE SHOWN ON THE PLAN AND PROFILE VIEWS FOR THE CONVENIENCE OF THE CONTRACTOR AND ARE BASED ON THE BEST INFORMATION AVAILABLE. THE LOCATION OF EXISTING UTILITIES SHOULD BE VIEWED AS APPROXIMATE. IT IS THE CONTRACTOR'S RESPONSIBILITY TO VERIFY THE HORIZONTAL AND VERTICAL LOCATION OF AND TO PROTECT ALL EXISTING UTILITIES. POT HOLING MAY BE REQUIRED. PRIOR TO COMMENCING INSTALLATION OF NEW FACILITIES THE CONTRACTOR IS REQUIRED TO INFORM THE ENGINEER AT LEAST 48 HOURS IN ADVANCE, IN WRITING, OF ANY DISCREPANCIES FOUND THAT WOULD IN ANY WAY AFFECT THE VERTICAL OR HORIZONTAL ALIGNMENT OF NEW CONVEYANCE FACILITIES AS THEY ARE SHOWN ON THE PLAN. 7. IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO HAVE A COPY OF THESE APPROVED PLANS ON CONSTRUCTION SITE AT ALL TIMES. 8. PROVIDE TRAFFIC CONTROL PLAN(S) IN ACCORDANCE WITH WSDOT /APWA SECTION 1 -10. 9. CONTRACTOR SHALL DEVELOP A TEMPORARY UTILITY BYPASS PLAN, AS REQUIRED TO SUPPORT THE CONTRACTOR'S WORK FOR WATER, SANITARY SEWER, STORMWATER, GAS, ELECTRICITY, TELEPHONE AND /OR ALL OTHER UTILITIES (MAINS AND SERVICES) AFFECTED BY PROJECT CONSTRUCTION. PLAN SHALL ADDRESS CITY AND PROPERTY OWNER COORDINATION. SUBMIT PLAN TO THE CONSTRUCTION REPRESENTATIVE FOR APPROVAL PRIOR TO CONSTRUCTION. 10. PRIOR TO BACKFILL, ALL PIPES AND APPURTENANCES SHALL BE INSPECTED BY THE CITY'S CONSTRUCTION REPRESENTATIVE. INSPECTION SHALL NOT RELIEVE THE CONTRACTOR FOR CORRECTION OF ANY DEFICIENCIES AND /OR FAILURES AS DETERMINED BY SUBSEQUENT TESTING AND INSPECTIONS. 11. UNDERGROUND FACILITIES SHALL BE CLEANED, TESTED, AND APPROVED PRIOR TO PAVING IN CONFORMANCE WITH THE SPECIFICATIONS. 12. CONTRACTOR SHALL COORDINATE WITH CITY REGARDING TEMPORARY CONSTRUCTION EASEMENTS PRIOR TO CONSTRUCTION IN THE AREA. 13. CONTRACTOR SHALL COORDINATE WITH THE CITY OF RENTON POST MASTER FOR MAIL DELIVERY PROCEDURES DURING CONSTRUCTION. 14. IF ANY NATIVE AMERICAN OR EUROPEAN GRAVE(S) OR ARCHAEOLOGICAL /CULTURAL RESOURCES (INDIAN ARTIFACTS) ARE FOUND, ALL CONSTRUCTION ACTIVITIES SHALL STOP AND THE CONTRACTOR SHALL IMMEDIATELY NOTIFY THE CITY. BHC Consultants, LLC 720 Third Avenue, Suite 1200 Seattle, Washington 98104 -1820 206.505.3400 206.505.3406 (fax) www.bhcconsultants.com L. t.KUbIUN (;UN I KUL MEASURES SHALL BE TAKEN BY THE CONTRACTOR DURING CONSTRUCTION TO PREVENT SILT AND DEBRIS FROM ENTERING THE EXISTING STORM DRAINAGE FACILITIES AND WATERWAYS, IN COMPLIANCE WITH THE PLANS, THE SPECIFICATIONS AND THE WASHINGTON DEPARTMENT OF ECOLOGY STORM WATER MANAGEMENT MANUAL. 3. CONTRACTOR SHALL DEVELOP AND SUBMIT A CONSTRUCTION STORM WATER POLLUTION PREVENTION PLAN (SWPPP) TO THE ENGINEER FOR APPROVAL PRIOR TO CONSTRUCTION. SWPPP SHALL CONFORM WITH THE 2005 STORMWATER MANAGEMENT MANUAL FOR WESTERN WASHINGTON, FEBRUARY 2005, WASHINGTON STATE DEPARTMENT OF ECOLOGY. 4. THE EROSION AND SEDIMENTATION CONTROL MEASURES PROVIDED FOR CONSTRUCTION OF THE PROJECT ARE NOT SHOWN ON THE PLANS BUT SHALL BE DETERMINED AND FIELD LOCATED BY THE CONTRACTOR TO SUIT CONDITIONS AND TO BE IN COMPLIANCE WITH THE CURRENT EDITION OF THE WASHINGTON STATE DEPARTMENT OF ECOLOGY STORMWATER MANAGEMENT MANUAL FOR WESTERN WASHINGTON. 5. ALL REQUIRED EROSION /SEDIMENTATION CONTROL FACILITIES MUST BE CONSTRUCTED AND IN OPERATION PRIOR TO LAND CLEARING AND /OR OTHER CONSTRUCTION TO INSURE THAT SEDIMENT LADEN WATER DOES NOT LEAVE THE SITE, ENTER THE DRAINAGE SYSTEM OR VIOLATE APPLICABLE WATER STANDARDS. ALL EROSION AND SEDIMENT FACILITIES SHALL BE MAINTAINED IN A SATISFACTORY CONDITION UNTIL SUCH TIME THAT CLEARING AND /OR CONSTRUCTION IS COMPLETED AND POTENTIAL FOR ONSITE EROSION HAS PASSED. THE IMPLEMENTATION, MAINTENANCE, REPLACEMENT AND ADDITIONS TO EROSION /SEDIMENTATION CONTROL SYSTEMS SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR. 6. THE CONTRACTOR WILL BE RESPONSIBLE FOR FIELD LOCATING THE CLEARING LIMITS AND ESTABLISHING THOSE BOUNDARIES WITH BRIGHT COLORED FLAGGING. THE CONTRACTOR SHALL CLEAR TO ONLY THOSE LIMITS AS ESTABLISHED, APPROVED BY THE CITY'S CONSTRUCTION REPRESENTATIVE AND FLAGGED IN THE FIELD. THE FLAGGING SHALL BE MAINTAINED BY THE CONTRACTOR FOR THE DURATION OF THE CONSTRUCTION. THE ENGINEER MAY DESIGNATE SPECIFIC TREES OR PLANTING WITHIN THE CLEARING LIMITS TO BE SAVED. THOSE DESIGNATED WILL BE FLAGGED WITH BRIGHT COLORED FLAGGING OF A COLOR CONTRASTING FROM THE CLEARING LIMITS FLAGGING. 7. IN ANY AREA WHICH HAS BEEN STRIPPED OF VEGETATION AND WHERE NO FURTHER WORK IS ANTICIPATED FOR A PERIOD OF 30 DAYS OR MORE, ALL DISTURBED AREAS MUST BE IMMEDIATELY STABILIZED WITH MULCHING, GRASS PLANTING OR OTHER APPROVED EROSION CONTROL TREATMENT APPLICABLE TO THE TIME OF YEAR IN QUESTION. GRASS SEEDING ALONE WILL BE ACCEPTABLE ONLY DURING THE MONTHS OF APRIL THROUGH SEPTEMBER, INCLUSIVE. SEEDING MAY PROCEED, HOWEVER WHENEVER IT IS IN THE INTEREST OF THE CONTRACTOR, BUT MUST BE AUGMENTED WITH MULCHING, NETTING, EROSION BLANKETS OR OTHER APPROVED TREATMENT OUTSIDE THE SPECIFIED TIME PERIOD. 8. DEWATERING WATER SHALL BE HANDLED TO ENSURE DISCHARGE MEETS REGULATING WATER QUALITY STANDARDS. DEWATERING DISCHARGE AND OTHER EROSION AND STORMWATER CONTROL ACTIVITIES SHALL CONFORM TO AN APPROVED CONSTRUCTION STORM WATER POLLUTION CONTROL PLAN. 9. THE CONTRACTOR SHALL INSTALL A STABILIZED CONSTRUCTION ENTRANCE IN ACCORDANCE WITH WSDOT STANDARD PLAN 1 -14, AT ALL PROPOSED PROJECT ACCESS SITES. 10. THE CONTRACTOR SHALL BE RESPONSIBLE FOR STREET CLEANING, STREET SWEEPING (ONSITE AND OFFSITE) UPON THE DIRECTION OF THE ENGINEER TO UNDERTAKE THE MEASURES DEEMED NECESSARY TO EFFECT SUCH CONTROL. 11. STORM DRAIN RUNOFF FROM THE CONSTRUCTION SITE SHALL NOT AFFECT ADJACENT PROPERTIES. WHERE POSSIBLE, MAINTAIN NATURAL VEGETATION FOR SILT CONTROL. m REVISION 13. SHOULD THE TEMPORARY EROSION AND SEDIMENTATION CONTROL MEASURES TAKEN AND /OR UPGRADED OR EXPANDED FACILITIES /MEASURES PROVE INADEQUATE TO CONTROL EROSION AND SEDIMENTATION, THE CONTRACTOR SHALL INSTALL ADDITIONAL FEATURES AS NECESSARY TO PROTECT ADJACENT PROPERTIES, SENSITIVE AREAS, NATURAL WATER COURSES AND /OR STORM DRAINAGE SYSTEMS. 14. THE TESC FACILITIES SHALL BE INSPECTED AFTER EACH STORM AND DAILY DURING PROLONGED RAINFALL BY THE CONTRACTOR AND MAINTAINED AS NECESSARY OR AS DIRECTED BY THE ENGINEER TO ENSURE THEIR CONTINUED FUNCTIONING. NECESSARY REPAIRS OR REPLACEMENT OR FACILITIES SHALL BE ACCOMPLISHED PROMPTLY. SEDIMENT DEPOSITS SHALL BE REMOVED AFTER EACH STORM EVENT AND /OR WHEN THE LEVEL OF DEPOSITION REACHES APPROXIMATELY ONE -HALF THE MAXIMUM POTENTIAL DEPTH. R I 1. THE LOCATION OF EXISTING UNDERGROUND UTILITY SYSTEMS, AS SHOWN HEREON, ARE TAKEN FROM UTILITY LOCATE PAINT MARKS OR AS -BUILT PLANS AND ARE SHOWN IN AN APPROXIMATE WAY ONLY. 2. THE CONTRACTOR SHALL DETERMINE THE EXACT LOCATION OF ALL EXISTING UTILITIES BEFORE COMMENCING WORK, AND AGREES TO BE FULLY RESPONSIBLE FOR ANY AND ALL DAMAGES WHICH MIGHT BE OCCASIONED BY THE CONTRACTOR'S FAILURE TO EXACTLY LOCATE AND PRESERVE ANY AND ALL UNDERGROUND UTILITIES. ONE CALL LOCATOR SERVICES SHALL BE CONTACTED PRIOR TO ANY CONSTRUCTION OR SUBSURFACE EXPLORATION. CALL 1- 800 - 424 -5555 3 WORKING DAYS BEFORE ANY EXCAVATION. 3. CONTOUR INTERVAL = 1 FOOT. 4. FIELD SURVEY: KPG, JULY 2007. 5. 12" CORRUGATED PLASTIC PIPE RUNS BOTH UNDERGROUND (INDICATED BY THE DASHED LINETYPE), AND AT GRADE (INDICATED BY THE -SD- LINETYPE). THE WEST TERMINUS OF THE PIPE EMPTIES INTO A MAKESHIFT DITCH CREATED BY STACKED SANDBAGS ON BOTH SIDES OF THE CULVERT. 6. 2.5' x 0.5' YARD DRAIN WITH GRATED TOP. 3" PVC DRAINS TO CB1190. LID ELEVATION OF STRUCTURE= 301.6'. 7. A GRAPEVINE IS SUPPORTED ON A 6' -HIGH CABLE BETWEEN TWO WOODEN POSTS. 8. THIS SURVEY IS LOCATED IN THE NE QUARTER, SEC. 5, T. 23 N. R. 5 E., IN THE CITY OF RENTON, KING COUNTY, WASHINGTON. HORIZONTAL AND VERTICAL DATUM ALL SURVEY WORK SHALL FOLLOW THE CITY OF RENTON SURVEYING STANDARDS AND SHALL BE REFERENCED TO AT LEAST TWO CITY OF RENTON SURVEY CONTROL NETWORK MONUMENTS CITY MONUMENT. INFORMATION WILL BE AVALABLE AT THE CITY HORIZONTAL DATUM = NAD 83/91 WITH THE FOLLOWING MONUMENT POSITIONS HELD: MIC1 N 189693.91 E 1305567.58 ELEV 294.23 MIC2 N 189690.31 E 1305298.65 ELEV 286.49 MIC5 MIC7 N 190149.64 N 189719.52 E 1305801.73 E 1305797.72 MIC4 ELEV 321.14 ELEV 306.11 N 190146.01 E 1305571.81 ELEV 312.85 VERTICAL DATUM = NAVD 88 WITH ELEVATIONS HELD FOR ABOVE MONUMENTS. SEEM* 11E ME NONE HOFAWWAL, W I a, CITY OF CITY OF RENTON RENTON DAYTON AVE NE /NE 22ND ST am mm ..I DATUM DRAINAGE IMPROVEMENT PROJECT a R" Planning /Building /Public works Dept. SM A�RIOt.Y GENERAL, TESC AND SURVEY NOTES % - P_q6 0 - V1 07 -25 -08 G -2 2 8