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CITY OF EVERETT GENERAL NOTES AND REQUIREMENTS verizonl PROJECT: 1801AVAO.15 ROW EVT 2395 GENERAL NOTES CONSTRUCTION NOTES pjTY"aF'EVERETT 220 OLYMPIC BLVD, 1. THE WREXYLAPWA STANDARD SPECIFICATIONS SHALL APPLY UNLESS OTHERWISE STATED BELOW. 1. FRENCH EXCAVATION EVERETT,WA 2. WHEN TRENCHING THROUGH EXISTING PAVEMENT,THE OPEN CUT SHALL BE A NEAT LINE MADE BY EITHER SAW CUTTING OR THE LENGTH OF TRENCH EXCAVATION IN ADVANCE OF PIPE LAYING SHALL BE KEPT TO A MINIMUM AND IN NO CASE SHALL EXCEED IACKHAMMERIN0 A CONTINUOUS LINE.SAW CUTTING WILL BE MODIFIED UNLESS THE CUT IS MADE PRIOR TO RECONSTRUCTION OR AN 150 FEET UNLESS SPECIFICALLY AUTHORIZED BY THE CITY ENGINEER. OVERLAY. G THE MAXIMUM PERMISSIBLE TRENCH WDTH BETWEEN THE FOUNDATION LEVEL THE TOP OF THE0 PIPE SHALL HE 4INCHES FOR 0 Z W 3. TEMPORARY PAVEMENT PATCH SHALL BE ACCOMPLISHED BY USING COLD MIX(MC 250),ATB OR STEEL FLARES. PIPE IS INCHES OR SMALLER INSIDE DIAMETER;OR 1-12 I.D.PLUS IS INCHES FOR PIPE IS INCHES OR LARGER. V , + � (n v H Q 4. PERMANENT PAVEMENT PATCH SHALL BE AS SPECIFIED ON STANDARD DRAWING NO.316. IF THE MAXIMUM TRENCH WIDTH IS EXCEEDED WITHOUT WRITTEN AUTHORIZATION OF THE CITY ENGINEER, THE DEVELOI EWCONTRACTOR WILL BE REQUIRED TO PROVIDE PIPE OF HIGHER STRENGTH CLASSIFICATION OR TO PROVIDE A HIGHER 5. WHERE TRENCH EXCAVATION EQUALS OR EXCEEDS A DEPTH OF 4 FEET,THE DEVELOPEWCONTRACTOR SHALL PROVIDE,CONSTRUCT, CLASS OF BEDDING,AS REQUIRED BY THE CITY ENGINEER. 0 W (J MAINTAIN AND REMOVE,AS REQUIRED,SAFETY SYSTEMS THAT MEET THE REQUIREMENTS OF THE WASHINGTON INDUSTRLIL SAFETY fn AND HEALTH ACT,RCW 49.1],INCLUDING WAC 29fi-I55.THE TRENCH SAFETY SYSTEMS SHALL BE DESIGNED BY A QUALIFIED PERSON,AND 2. TRENCH BACKFILL Z _ MEET ACCEPTED ENGINEERING REQUIREMENTS(SEE WAC 296-155-660). LE BE 0 ■I/w, H 0 Ir SUITAB NATIVE MATERIAL EXCAVATED DURING TRENCHING SHALL USED FOR TRENCH BACKFILL UNLESS NOTIFIED BY THE Vl _/ W ZO 8. THE DEVEL H,OPEWCONTRACTOR SHALL FURNIS INSTALL,AND OPERATE ALL NECESSARY EQUIPMENT TO KEEP EXCAVATIONS ABOVE CITY ENGINEER THAT THE NATIVE MATERIAL IS UNSUITABLE.THE CITY ENGINEER OR MS REPRESENTATIVE WILL EXAMINE v ul Z O THE FOUNDATION LEVEL FREE FROM WATER DURING CONSTRUCTION,AND SHALL DEWATER AND DISPOSE OF THE WATER SO AS NOTED EXCAVATED NATIVE MATERIAL AT THE TIME OF EXCAVATION TO DETERMINE ITS SUITABILITY FOR USE AS BACKFILL.NATIVE C N ■�) n W o CAUSE INJURY TO PUBLIC OR PRIVATE PROPERTY OR NUISANCE TO THE PUBLIC.SUFFICIENT PUMPING EQUIPMENT IN GOOD WORKING MATERIAL WILL BE CONSIDERED SUITABLE FOR TRENCH BACKFILL IF IT IS: C Z rI 0- > I CONDITION SHALL BE AVAILABLE AT ALL TIMES FOR ALL EMERGENCIES,INCLUDING POWER OUTAGE,AND SHALL HAVE AVAILABLE AT p) CAPABLE OF ATTAINING THE DEGREE OF COMPACTION SPECIFIED IN SECTION 3-9.4 COMPACTION. Q W W K ALL TIMES COMPETENT WORKMEN FOR THE OPERATION OF THE PUMPING EQUIPMENT.WATER PUMPED FROM THE TRENCH SHALL BE B) REASONABLY FREE OF ORGANIC MATERIAL,CLAY,FROZEN LUMPS,ROCKS OR OTHER DELETERIOUS WITHIN REASONABLE TOLERANCE OF OPTIMUM MOISTURE CONTENT. F DISPOSED OF USING BEST MANAGEMENT PRACTICES AND SHALL IN NOT BE PUMPED INTO STREAMS NOR TO STORM DRAINS NEAR STREAM C)S. W MATTER 7 In T. COKPACTION TESTS WILL BE REQUIRED TO ENSURE ADEQUATE COMPACTION ON ALL LIFTS.ALL COMPACTION TESTS SHALL BE UNSUITABLE BACKFILL MATERIAL SHALL BE REMOVED FROM THE SITE AND HAULED TO AN APPROVED DISPOSAL SITE.THE CITY U • 0 C• CONSIDERED BY A LICENSED TESTING LABORATORY AT THE EXPENSE OF THE DEVELOPER/CONTRACTOR.SEE SECTION 3-04 OF THESE ENGINEER SHALL BE PROVIDED WITH THE LOCATION OF ALL DISPOSAL SITES TO BE USED AND ALSO COPIES OF THE PERMITS AND Q SPECIFICATIONS. APPROVALS FOR SUCH DISPOSAL SITES. 8. WATER SETTING OF BACKFILL IN TRENCHES IS NOT PERMITTED. IMPORTED MATERIAL SHALL MEET THE REQUIREMENTS OF GRAVEL BORROW AS SPECIFIED IN SECTION 3-202 OF THESE STANDARDS OR CRUSHED SURFACING TOP COURSE AS SPECIFIED IN SECTION 9-033(3)OF THE WSDOT/APWA STANDARD SPECIFICATIONS AND SECTION 3-5 OF THESE STANDARDS, FORESITE 3. COMPACTION group TRENCH BACKFILL SHALL BE SPREAD A S LAYERS AND COMPACTED MECHANICAL TAMPERS OF THE IMPACT TYPE APPROVED BY TH E CITY ENGINEER.THE BACKFILL MATBRL4L SHALL B8 PLACID IN UCCB39IVE LAYERS WITH THE FIRST LAYER NOT TO EXCEED 2 FEET ABOVE THE FIFE,AND ME FOLLOWING LAYERS NOT EXCEEDING 12 INCHES IN LOOSE THICKNESS WITH EACH LAYER BEING COMPACTED TO THE DENSITY RPECIFIED BELOW: A) IMPROVED AREAS SUCH AS STREET AND SIDEWALKS SHALL BE COMPACTED TO W%OF MAXIMUM DRY DENSITY TO WITHIN 3 FEET OF SUBGRADE.THE LAST 3 FEET SHALL BE COMPACTED TO 95%OF MAXIMUM DRY DENSITY. B) UNIMPROVED AREA OR LANDSCAPE AREAS SHALL BE COMPACTED TO 90%OF MAXIMUM DRY DENSITY. 4. TRENCHINGLONGITUDINALTOROADWAY SEWER,WATER AND STORM LINES THAT ARE WITHIN THE ROADWAY SECTION AND LONGITUDINAL TO THE ROADWAY SHALL BE BACKFILLED WITH NATIVE MATERIAL OR GRAVEL BORROW AS APPROVED BY THE CITY ENGINEER TO THE PAVEMENT PATCH LEVEL OR SUBGRADE,WHICHEVER APPLIES.ALL OTHER UTILITY CUTS SUCH AS GAS,TELEPHONE,POWER,AND CABLE TV SHALL BE BACKFILLED WITH CONTROLLED DENSITY FILL. 5. TRENCHWGTRAN—.ETOROADWAY UTILITY TRENCHING THAT CROSSES TRANSVERSELY TO THE ROADWAY ALIGNMENT WILL GENERALLY NOT BE PERMITTED UNLESS IT CAN BE SHOWN THAT ALTERNATIVES SUCH AS JACKING,ADHERING OR TUNNELING ARE NOT FEASIBLE OR UNLESS THE UTILITY ENGINEER: AB CAN BE INSTALLED JUST PRIOR TO RECONSTRUCTION OR AN OVERLAY OF THE ROAD, DRAWN BY: AS SHOULD AN OPEN CUT BE APPROVED,THE TRENCH SHALL BE BACKFILLED WITH CONTROLLED DENSITY FILL, REVISIONS DATE DESCRIPTION NITIAI. WHEN HIGH GROUND WATER LEVELS ARE ENCOUNTERED,RELIEF DRAINS SHALL BE INSTALLED AT 15 FEET INTERVALS TO PREVENT DAMMING.THE RELIEF DRAMS SHALL BE 3INCH PVC AND PLACED AT A MINIMUM 3 FEET FROM FINISHED GRADE OR AS OTHERWISE APPROVED BY THE CITY ENGINEER. SCALE HORIZONTAL: N/A VERTICAL: N/A SHEET:E-01