HomeMy WebLinkAboutR-412302DEMOLITION NOTES (NAVIX)
M 1. DEMOLITION NOTES ARE FOR CLARIFICATION ONLY AND ARE SHOWN FOR THE
N CONTRACTOR'S BENEFIT. THESE NOTES ARE NOT INTENDED TO BE COMPREHENSIVE. THE
r CONTRACTOR SHALL REMOVE OR RELOCATE ALL EXISTING ON -SITE IMPROVEMENTS
17 NECESSARY TO ACCOMMODATE THE PROPOSED CONSTRUCTION.
O 2. THE DESIGN SHOWN IS BASED UPON THE ENGINEER'S UNDERSTANDING OF THE EXISTING
Iqi CONDITIONS. THE PLAN DOES NOT REPRESENT A DETAILED FIELD SURVEY. THE
Q EXISTING CONDITIONS SHOWN ON THIS PLAN SHEET ARE BASED UPON LIMITED
LU TOPOGRAPHY SURVEY PREPARED BY AXIS SURVEY & MAPPING, DATED 11 /21 /2019. THE
CONTRACTOR IS RESPONSIBLE FOR VERIFYING FIELD CONDITIONS PRIOR TO BIDDING THE
PROPOSED SITEWORK IMPROVEMENTS. IF CONFLICTS ARE DISCOVERED, THE
CONTRACTOR SHALL NOTIFY THE OWNER PRIOR TO INSTALLATION OF ANY PORTION OF
THE SITEWORK WHICH WOULD BE AFFECTED. IF CONTRACTOR DOES NOT ACCEPT
EXISTING SURVEY, INCLUDING TOPOGRAPHY AS SHOWN ON THE PLANS, WITHOUT
EXCEPTION, HE SHALL HAVE MADE, AT HIS OWN EXPENSE, A TOPOGRAPHIC SURVEY BY
A REGISTERED LAND SURVEYOR AND SUBMIT IT TO THE OWNER FOR REVIEW.
3. CAUTION - NOTICE TO CONTRACTOR
Z THE CONTRACTOR IS SPECIFICALLY CAUTIONED THAT THE LOCATION AND/OR ELEVATION
OF EXISTING UTILITIES AS SHOWN ON THESE PLANS IS BASED ON RECORDS OF THE O
0 VARIOUS UTILITY COMPANIES AND, WHERE POSSIBLE, MEASUREMENTS TAKEN IN THE
FIELD. THE INFORMATION IS NOT TO BE RELIED ON AS BEING EXACT OR COMPLETE. THE
Z CONTRACTOR MUST CALL THE APPROPRIATE UTILITY COMPANY AT LEAST 48 HOURS
U I BEFORE ANY EXCAVATION TO REQUEST EXACT FIELD LOCATION OF UTILITIES. IT SHALL
w BE THE RESPONSIBILITY OF THE CONTRACTOR TO RELOCATE ALL EXISTING UTILITIES
LL WHICH CONFLICT WITH THE PROPOSED IMPROVEMENTS SHOWN ON THESE PLANS.
J 4. CONTRACTOR IS TO REMOVE ALL EXISTING SURFACE IMPROVEMENTS AND DEBRIS WITHIN
O THE LIMITS OF WORK UNLESS OTHERWISE NOTED. ALL DEBRIS FOUND ON SITE SHALL BE
DISPOSED OF IN ACCORDANCE WITH APPLICABLE STATE CODES. ALL COST SHALL BE
INCLUDED IN BASE BID.
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O 5. CONTRACTOR TO PROTECT EXISTING FEATURES WHICH ARE TO REMAIN.
6. CONTRACTOR SHALL ADJUST ALL EXISTING MANHOLE RIMS, DRAINAGE STRUCTURES,
VALVE BOXES, VAULT LIDS AND UTILITY ACCESS STRUCTURES WHICH ARE TO
REMAIN TO FINISH GRADE WITHIN AREAS AFFECTED BY PROPOSED CONSTRUCTION.
SEQUENCE OF CONSTRUCTION (NAVIX)
1. HOLD A PRE -CONSTRUCTION MEETING WITH THE CITY OF RENTON AND OBTAIN REMAINING
REQUIRED PERMITS.
2. POST SIGN WITH NAME AND PHONE NUMBER OF CSWPP/ESC SUPERVISOR (MAY BE
CONSOLIDATED WITH THE REQUIRED NOTICE OF CONSTRUCTION SIGN.) CSWPPP SHALL BE
KEPT ON SITE AT ALL TIMES.
3. ESTABLISH/FLAG LIMITS OF CLEARING AND GRADING.
4. INSTALL INLET PROTECTION ON ALL EXISTING STORM DRAINAGE STRUCTURES TO REMAIN.
5. INSTALL TEMPORARY SILT FENCING.
6. INSTALL STABILIZED CONSTRUCTION ENTRANCES, WHEEL WASH AREAS, AND HAUL ROADS.
7. INSTALL INTERCEPTOR SWALES AND TEMPORARY SEDIMENT PONDS.
8. HAVE T.E.S.C. MEASURES INSPECTED BY THE CITY PRIOR TO ANY ADDITIONAL SITE
DISTURBANCE.
9. MAINTAIN EROSION CONTROL MEASURES IN ACCORDANCE WITH APPENDIX D OF THE CITY
OF RENTON SURFACE WATER DESIGN MANUAL AND MANUFACTURER'S RECOMMENDATIONS.
10. CLEAR, GRUB, AND ROUGH GRADE SITE.
11. COVER ALL AREAS THAT WILL BE UNWORKED FOR MORE THAN SEVEN DAYS DURING THE
DRY SEASON (MAY 1 TO SEPT 30) OR TWO DAYS DURING THE WET SEASON (OCT 1 TO
APR 30) WITH STRAW, WOOD FIBER MULCH, COMPOST, PLASTIC SHEETING, OR
EQUIVALENT.
12. STABILIZE ALL AREAS WITHIN SEVEN DAYS OF REACHING FINAL GRADE.
13. SEED. SOD, STABILIZE, OR COVER ANY AREAS TO REMAIN UNWORKED FOR MORE THAN
30 DAYS.
14. INSTALL PERMANENT STORM DRAINAGE SYSTEM NEEDED TO CONNECT TO CITY SYSTEM.
15. INSTALL INLET PROTECTION ON ALL NEW STORM DRAINAGE STRUCTURES.
16. START CONSTRUCTION OF BUILDING PAD AND STRUCTURES.
17. INSTALL CURBING, UTILITIES, AND OTHER SITE IMPROVEMENTS AND CONSTRUCT
E RIGHT-OF-WAY IMPROVEMENTS.
°N° 18. FINISH GRADING SITE FOR PAVING ACTIVITIES.
19. PAVE SITE.
N 20. COMPLETE SITE GRADING AND INSTALL PERMANENT SEEDING AND PLANTING. ESTABLISH
N LANDSCAPING AND PERMANENT VEGETATION.
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N 21. REMOVAL ALL T.E.S.C. MEASURES ONLY AFTER THE SITE IS DEEMED COMPLETELY
c�.l STABILIZED BY THE INSPECTOR.
SOIL AMENDMENT NOTE
ALL AREAS SUBJECT TO CLEARING AND GRADING THAT HAVE NOT BEEN COVERED BY
IMPERVIOUS SURFACE, INCORPORATED INTO A DRAINAGE FACILITY OR ENGINEERED AS
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STRUCTURAL FILL OR SLOPE SHALL, AT PROJECT COMPLETION, DEMONSTRATE THE
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1. A TOPSOIL LAYER WITH A MINIMUM ORGANIC MATTER CONTENT OF 10% DRY WEIGHT IN
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BEDS, AND 5% ORGANIC MATTER CONTENT IN TURF AREAS, AND A PH FROM 6.0 TO
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8.0 OR MATCHING THE PH OF THE UNDISTURBED SOIL. THE TOPSOIL LAYER SHALL
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HAVE A MINIMUM DEPTH OF EIGHT INCHES EXCEPT WHERE TREE ROOTS LIMIT THE
DEPTH OF INCORPORATION OF AMENDMENTS NEEDED TO MEET THE CRITERIA. SUBSOILS
BELOW THE TOPSOIL LAYER SHOULD BE SCARIFIED AT LEAST 4 INCHES WITH SOME
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INCORPORATION OF THE UPPER MATERIAL TO AVOID STRATIFIED LAYERS, WHERE
FEASIBLE.
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2. MULCH PLANTING BEDS WITH 2 INCHES OF ORGANIC MATERIAL
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3. USE COMPOST AND OTHER MATERIALS THAT MEET THESE ORGANIC CONTENT
REQUIREMENTS:
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a. THE ORGANIC CONTENT FOR 'PRE -APPROVED" AMENDMENT RATES CAN BE MET
ONLY USING COMPOST MEETING THE COMPOST SPECIFICATION FOR BIORETENTION
(REFER TOSECTION C.2.6) WITH THE EXCEPTION THAT THE COMPOST MAY HAVE UP
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TO 35% BIOSOLIDS OR MANURE. THE COMPOST MUST ALSO HAVE AN ORGANIC
MATTER CONTENT OF 40% TO 65%, AND A CARBON TO NITROGEN RATIO BELOW
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25:1. THE CARBON TO NITROGEN RATIO MAY BE AS HIGH AS 35:1 FOR PLANTINGS
COMPOSED ENTIRELY OF PLANTS NATIVE TO THE PUGET SOUND LOWLANDS REGION.
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b. CALCULATED AMENDMENT RATES MAY BE MET THROUGH USE OF COMPOSTED
MATERIAL MEETING "A)" ABOVE; OR OTHER ORGANIC MATERIALS AMENDED TO
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MEET THE CARBON TO NITROGEN RATIO REQUIREMENTS, AND NOT EXCEEDING THE
LIMITS IDENTIFIED IN TABLE 220-13, TESTING PARAMETERS, IN WAC 173-350-220.
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4. THE RESULTING SOIL SHOULD BE CONDUCIVE TO THE TYPE OF VEGETATION TO BE
ESTABLISHED.
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GENERAL EROSION CONTROL NOTES (NAVIX)
1. ALL WORKMANSHIP AND MATERIALS SHALL CONFORM TO THE MOST CURRENT APPLICABLE
LOCAL, STATE, AND FEDERAL STANDARDS.
2. THE CONTRACTOR SHALL BE RESPONSIBLE AT ALL TIMES FOR PREVENTING SILT -LADEN
RUNOFF FROM DISCHARGING FROM THE PROJECT SITE. FAILURE BY THE CONTRACTOR CAN
RESULT IN A FINE. THE DESIGNATED TEMPORARY CONTACT PERSON NOTED ON THIS PLAN
MUST BE AVAILABLE FOR CONTACT BY TELEPHONE ON A 24 HOUR BASIS THROUGHOUT
CONSTRUCTION AND UNTIL THE PROJECT HAS BEEN COMPLETED AND APPROVED BY THE
GOVERNMENTAL AGENCY WITH JURISDICTION.
3. THE IMPLEMENTATION OF THESE ESC PLANS AND THE CONSTRUCTION, MAINTENANCE,
REPLACEMENT AND UPGRADING OF THESE ESC FACILITIES IS THE RESPONSIBILITY OF THE
CONTRACTOR FROM THE BEGINNING OF CONSTRUCTION UNTIL ALL CONSTRUCTION IS
COMPLETED AND APPROVED BY THE GOVERNMENTAL AGENCY WITH JURISDICTION AND THE
SITE IS STABILIZED.
4. THE BOUNDARIES OF THE CLEARING LIMITS SHOWN ON THIS PLAN SHALL BE CLEARLY
FLAGGED AND INSPECTED BY THE LOCAL JURISDICTION PRIOR TO ANY CLEARING OR
CONSTRUCTION TAKING PLACE. DURING CONSTRUCTION, NO DISTURBANCE BEYOND THE
FLAGGED CLEARING LIMITS SHALL BE PERMITTED. THE FLAGGING SHALL BE MAINTAINED BY
THE OWNER AND/OR CONTRACTOR UNTIL ALL CONSTRUCTION IS APPROVED.
5. THE EROSION AND SEDIMENTATION CONTROL FACILITIES SHOWN ON THIS PLAN ARE TO BE
CONSIDERED ADEQUATE BASIC REQUIREMENTS FOR THE ANTICIPATED SITE CONDITIONS.
DURING CONSTRUCTION, DEVIATIONS FROM THIS PLAN MAY BE NECESSARY IN ORDER TO
MAINTAIN WATER QUALITY.
6. ALL EROSION AND SEDIMENTATION CONTROL MEASURES SHALL BE INSPECTED BY THE
CONTRACTOR ON A FREQUENT BASIS AND IMMEDIATELY AFTER EACH RAINFALL, AND
MAINTAINED AS NECESSARY TO INSURE THEIR CONTINUED FUNCTIONING. ALL SEDIMENT MUST
BE REMOVED FROM SILT FENCES, STRAW BALES, SEDIMENT PONDS, ETC. PRIOR TO THE
SEDIMENT REACHING 1 /2 ITS MAXIMUM POTENTIAL DEPTH.
7. AT NO TIME SHALL CONCRETE, CONCRETE BYPRODUCTS, VEHICLE FLUIDS, PAINT, CHEMICALS,
OR OTHER POLLUTING MATTER BE PERMITTED TO DISCHARGE TO THE TEMPORARY OR
PERMANENT DRAINAGE SYSTEM, OR TO DISCHARGE FROM THE PROJECT SITE.
8. THE CONTRACTOR PERFORMING THE WORK SHALL MAINTAIN A SET OF THE APPROVED
CONSTRUCTION DRAWINGS ON SITE AT ALL TIMES WHILE CONSTRUCTION IS IN PROGRESS.
9. IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR PERFORMING THE WORK TO OBTAIN
ALL NECESSARY PERMITS FROM THE LOCAL JURISDICTION PRIOR TO COMMENCING ANY WORK
WITHIN THE PUBLIC RIGHT-OF-WAY.
10. THE CONTRACTOR PERFORMING THE WORK SHALL BE RESPONSIBLE FOR PROVIDING ADEQUATE
TRAFFIC CONTROL AT ALL TIMES DURING CONSTRUCTION ALONGSIDE OR WITHIN ALL PUBLIC
ROADWAYS.
11. THIS APPROVED "TEMPORARY EROSION AND SEDIMENTATION CONTROL PLAN" MUST BE
IMPLEMENTED PRIOR TO ANY SITE WORK. SEE THE PLANS AND DETAILS FOR FURTHER
INFORMATION.
12. THE CONTRACTOR SHALL NOTIFY THE OWNER AND THE ENGINEER IN THE EVENT OR
DISCOVERY OF POOR SOILS, GROUNDWATER OR DISCREPANCIES IN THE EXISTING CONDITIONS
AS NOTED ON THE PLANS.
13. MAXIMUM SLOPES SHALL BE 3: 1 HORIZ: VERT FOR FILL SLOPES, AND 3: 1 HORIZ: VERT FOR
CUT SLOPES, WITH THE EXCEPTION OF RIGHT-OF-WAY. 2:1 IS THE MAXIMUM ALLOWED SLOPE
FOR WORK WITHIN THE RIGHT-OF-WAY.
14. ALL AREAS DISTURBED DURING CONSTRUCTION WHERE PERMANENT LANDSCAPING WILL NOT
BE PROVIDED WITHIN 60 DAYS SHALL BE HYDROSEEDED, OR OTHERWISE STABILIZED, AS
REQUIRED. STRAW MULCHING OR PLASTIC SHEETING ARE ACCEPTABLE ALTERNATIVES TO
TEMPORARY HYDROSEEDING DURING PERIODS OF LOW GROWTH.
15. CUT AND FILL SLOPES SHALL BE CONSTRUCTED IN A MANNER THAT WILL MINIMIZE EROSION.
ROUGHENED SOIL SURFACES ARE PREFERRED TO SMOOTH SURFACES. INTERCEPTORS SHOULD
BE CONSTRUCTED AT THE TOP OF LONG, STEEP SLOPES WHICH HAVE SIGNIFICANT AREAS
ABOVE THAT CONTRIBUTE RUNOFF. CONCENTRATED RUNOFF SHOULD NOT BE ALLOWED TO
FLOW DOWN THE FACE OF A CUT OR FILL SLOPE UNLESS CONTAINED WITHIN AN ADEQUATE
CHANNEL OR PIPE SLOPE DRAIN. WHEREVER A SLOPE FACE CROSSES A WATER SEEPAGE
PLANE, ADEQUATE DRAINAGE OR OTHER PROTECTION SHOULD BE PROVIDED. IN ADDITION,
SLOPES SHOULD BE STABILIZED IN ACCORDANCE WITH ITEM (17) ABOVE.
16. ALL STORM DRAIN INLETS MADE OPERABLE DURING CONSTRUCTION SHALL BE PROTECTED SO
THAT STORMWATER RUNOFF SHALL NOT ENTER THE CONVEYANCE SYSTEM WITHOUT FIRST
BEING FILTERED OR OTHERWISE TREATED TO REMOVE SEDIMENT.
17. REFER TO PROJECT SPECIFICATIONS FOR STORMWATER POLLUTION PREVENTION PLAN (SWPPP)
NARRATIVE.
18. PH SAMPLING MAY BE REQUIRED IF PROJECT INCLUDES MORE THAN 40 CUBIC YARDS OF
POURED OR RECYCLED CONCRETE.
19. IF SAMPLING REVEALS HIGH PH LEVELS, CONTRACTOR SHALL IMPLEMENT BMP C252 TO
NEUTRALIZE THE PH LEVELS.
SITE NOTES (NAVIX)
1. ALL WORK AND MATERIALS SHALL COMPLY WITH ALL CITY/COUNTY REGULATIONS AND CODES
AND O.S.H.A. STANDARDS.
2. CONTRACTOR SHALL REFER TO ARCHITECTURAL PLANS FOR EXACT LOCATION AND DIMENSIONS
OF EXIT PORCHES, SIDEWALKS, RAMPS & TRUCK DOCKS, PRECISE BUILDING DIMENSIONS AND
EXACT BUILDING UTILITY ENTRANCE LOCATIONS.
3. DIMENSIONS SHOWN REFER TO FACE OF CURB, EDGE OF PAVEMENT, FACE OF BUILDING OR TO
THE CENTERLINE OF PAVEMENT STRIPING, UNLESS OTHERWISE NOTED.
4. ALL PAVED PARKING LOT AREAS WITHIN THE LIMITS OF IMPROVEMENTS SHALL BE STANDARD
OR LIGHT DUTY PAVEMENT UNLESS OTHERWISE NOTED.
5. CONTRACTOR SHALL PROVIDE A TEMPORARY TRAFFIC CONTROL PLAN FOR THE CITY ENGINEER'S
APPROVAL PRIOR TO ANY WORK WITHIN THE CITY RIGHT-OF-WAY.
6. REFER TO BOUNDARY SURVEY FOR LEGAL DESCRIPTION, DIMENSIONS OF PROPERTY LINES,
BASIS OF BEARINGS & BENCHMARK INFORMATION.
7. ALL ON -SITE PAINTED STRIPING SHALL BE DOUBLE COAT. (CONTRACTOR TO REFER TO
PROJECT SPECIFICATIONS FOR ADDITIONAL PAVING MARKING REQUIREMENTS.)
8. PARKING LOT STRIPING SHALL BE WHITE, 4" WIDE, UNLESS OTHERWISE NOTED.
9. CONTRACTOR SHALL BE RESPONSIBLE FOR ALL RELOCATIONS, INCLUDING BUT NOT LIMITED TO,
ALL UTILITIES, STORM DRAINAGE, SIGNS, ETC. AS REQUIRED. ALL WORK SHALL BE IN
ACCORDANCE WITH GOVERNING AUTHORITIES SPECIFICATIONS AND SHALL BE APPROVED BY
SUCH. ALL COST SHALL BE INCLUDED IN BASE BID.
10. CURB RADII ADJACENT TO PARKING STALLS SHALL BE 4.5'. ALL OTHER CURB RADII SHALL BE
10', UNLESS OTHERWISE NOTED.
GRADING NOTES (NAVIX)
1. THE SPOT ELEVATIONS INDICATED ON THIS PLAN REPRESENT THE DESIGN TOP OF
PAVEMENT, UNLESS OTHERWISE NOTED.
2. CONTRACTOR IS RESPONSIBLE FOR DEMOLITION OF EXISTING STRUCTURES INCLUDING
REMOVAL OF ANY EXISTING UTILITIES SERVING THE STRUCTURE. UTILITIES ARE TO BE
REMOVED TO THE RIGHT-OF-WAY.
3. CONTRACTOR SHALL APPLY STABILIZATION FABRIC TO ALL SLOPES 3H: 1 V OR STEEPER.
CONTRACTOR SHALL STABILIZE DISTURBED AREAS WITH GRASS IN ACCORDANCE WITH
LOCAL SPECIFICATION UNTIL A HEALTHY STAND OF GRASS IS OBTAINED.
4. ALL CUT AND FILL SLOPES SHALL BE CONSTRUCTED PER THE UBC CODE AND
APPLICABLE LOCAL REGULATION. ALL CUT AND FILL SLOPES SHALL BE 3:1 OR
FLATTER UNLESS OTHERWISE NOTED.
5. CONTRACTOR SHALL ASSURE POSITIVE DRAINAGE AWAY FROM BUILDINGS FOR ALL
NATURAL AND PAVED AREAS AND SHALL GRADE ALL AREAS TO PRECLUDE PONDING
OF WATER.
6. ALL POLLUTANTS OTHER THAN SEDIMENT ON -SITE DURING CONSTRUCTION SHALL BE
HANDLED AND DISPOSED OF IN A MANNER THAT DOES NOT CAUSE CONTAMINATION OF
STORMWATER. THE CONTRACTOR SHALL ADHERE TO ALL TERMS AND CONDITIONS AS
OUTLINED IN THE GENERAL N.P.D.E.S. PERMIT FOR STORMWATER DISCHARGE
ASSOCIATED WITH CONSTRUCTION ACTIVITIES.
7. PROPERTIES AND WATERWAYS DOWNSTREAM OF THE SITE SHALL BE PROTECTED FROM
EROSION DUE TO INCREASES IN THE VOLUME, VELOCITY AND PEAK FLOW RATE OF
STORMWATER RUNOFF FROM PROJECT SITE.
8. CONSTRUCTION SHALL COMPLY WITH ALL APPLICABLE GOVERNING CODES AND BE
CONSTRUCTED TO SAME.
9. CONTRACTOR TO REMOVE UNSUITABLE SOILS LOCATED WITHIN THE BUILDINGS SPLAY
LINE OF THE FOOTINGS.
10. FOR BOUNDARY AND TOPOGRAPHIC INFORMATION REFER TO PROJECT SURVEY.
11. FOR LAYOUT INFORMATION REFER TO THE HORIZONTAL CONTROL PLAN.
WATER NOTES (NAVIX)
1. ALL CONSTRUCTION/INSTALLATION OF WATER MAINS SHALL BE DONE IN A SAFE, NEAT
AND WORKMANLIKE MANNER, AND UNDER SUPERVISION BY UTILITY PROVIDER AT ALL
TIMES. ALL SAFETY REQUIREMENTS FROM OSHA AND OTHER STATE REGULATING
AGENCIES MUST BE MET.
2. WATER MAIN PIPE MATERIAL SHALL BE CLASS 52 DUCTILE IRON MEETING LOCAL
REQUIREMENTS. POLYETHYLENE WRAP IS REQUIRED ON ALL METALS.
3. AN 18-INCH MINIMUM SEPARATION IS REQUIRED ON SERVICE TAPS ON A MAIN LINE.
4. CLASS 52 DUCTILE IRON MAY BE DIRECT TAPPED FOR 3/4 INCH AND 1-INCH SIZE
SERVICES. SADDLES SHALL BE USED ON ALL TAPS 1-1/4" - 2" DIAMETER IN ANY
PUBLIC MAIN OR AS REQUIRED PER CITY STANDARD DETAILS.
5. ALL ELBOWS/BENDS ON WATER MAINS SHALL HAVE THRUST BLOCKS.
6. A DEPTH OF 36" FROM FINISHED GRADE TO THE TOP OF THE WATER MAIN IS
REQUIRED FOR PIPES 10" IN DIAMETER AND LESS. 6. A DEPTH OF 48" FROM FINISHED
GRADE TO THE TOP OF THE WATER MAIN IS REQUIRED FOR PIPES 12" IN DIAMETER
AND GREATER. MAXIMUM COVER FOR ALL WATER LINES SHALL BE 60".
7. ALL NEW PIPES MUST BE PROPERLY FLUSHED, PRESSURE TESTED, AND CHLORINATED
BY THE CONTRACTOR, AND INSPECTED BY UTILITY PROVIDER AND GOVERNMENTAL
AGENCIES WITH JURISDICTION.
8. ALL BACKFLOW PREVENTION DEVICES (DOUBLE CHECK BACKFLOW PREVENTORS,
REDUCED PRESSURE BACKFLOW PREVENTORS, PRESSURE AND ATMOSPHERIC VACUUM
BREAKERS, ETC.) MUST BE APPROVED BY THE UTILITY PROVIDER AND GOVERNMENTAL
AGENCIES WITH JURISDICTION.
9. ALL NEW CONNECTIONS TO EXISTING WATER MAINS REQUIRE ISSUANCE OF A PUBLIC
WORKS PERMIT AND INSPECTION BY THE CITY OR GOVERNMENTAL AGENCIES WITH
JURISDICTION PRIOR TO BACKFILLING.
10. BACKFLOW PREVENTION DEVICES SHALL BE CONSTRUCTED OF CORROSION RESISTANT
MATERIALS.
STORM DRAINAGE NOTES (NAVIX)
1.
2
3
4
5
6.
7.
8.
9.
10.
11.
12.
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NO. REVISION BY DATE APPR
ALL WORKMANSHIP AND MATERIALS SHALL CONFORM TO THE MOST CURRENT APPLICABLE
LOCAL, STATE, AND FEDERAL STANDARDS.
EXISTING DRAINAGE STRUCTURES TO BE INSPECTED AND REPAIRED AS NEEDED, AND
EXISTING PIPES TO BE CLEANED OUT TO REMOVE ALL SILT AND DEBRIS.
IF ANY EXISTING STRUCTURES TO REMAIN ARE DAMAGED DURING CONSTRUCTION IT
SHALL BE THE CONTRACTORS RESPONSIBILITY TO REPAIR AND/OR REPLACE THE
EXISTING STRUCTURE AS NECESSARY TO RETURN IT TO EXISTING CONDITIONS OR BETTER.
STORM DRAINAGE PIPE WITH LESS THAN 2'-0" COVER SHALL BE DUCTILE IRON PIPING,
OR APPROVED EQUAL TO SUSTAIN H-20 LOADING.
ALL ONSITE STORM DRAINAGE PIPE SHALL BE CORRUGATED POLYETHYLENE PIPE (CPE) -
TRIPLE WALL, OR OTHER CITY -APPROVED MATERIAL PER 2017 CITY OF RENTON SURFACE
WATER DESIGN MANUAL TABLE 4.2.1.A2. PIPES SHALL BE SMOOTH WALLED INTERIOR,
MANUFACTURER'S VERIFICATION OF MANNING'S ROUGHNESS COEFFICIENT N=0.012 OR
LESS.
PRECAST STRUCTURES MAY BE USED AT CONTRACTOR'S OPTION.
ALL CATCH BASINS AND AREA DRAINS ARE TO BE SITUATED SUCH THAT THE OUTSIDE
EDGE OF GRATE FRAME IS AT TOE OF CURB OR FLOW LINE OF GUTTER (WHERE
APPLICABLE).
CATCH BASIN INLET PROTECTION / EROSION CONTROL TO BE USED FOR ALL NEW
INLETS.
ALL STORM PIPE ENTERING STRUCTURES SHALL BE GROUTED TO ASSURE CONNECTION
AT STRUCTURE IS WATERTIGHT.
ALL STORM SEWER MANHOLES IN PAVED AREAS SHALL BE FLUSH WITH PAVEMENT, AND
SHALL HAVE TRAFFIC BEARING RING AND COVERS. MANHOLES IN UNPAVED AREAS
SHALL BE 6" ABOVE FINISH GRADE. LIDS SHALL BE LABELED ACCORDING TO CITY OF
RENTON STANDARDS.
ALL STORM STRUCTURES SHALL HAVE A SMOOTH UNIFORM POURED MORTAR INVERT
FROM INVERT IN TO INVERT OUT, UNLESS OTHERWISE SHOWN IN THE CATCH BASIN
DETAIL.
CONTRACTOR SHALL CONNECT ROOF DRAIN LEADERS TO PROPOSED STORM DRAINS AS
SHOWN.
SURVEYED: SCALE: _
Z.NALL HORIZ88
ONTAL- N AVD 19/1991
DESIGNED: CITY O F
J.GREEN RENTON
DRAWN:
J.GREEN ONE INCH DATUM
CHECKED: AT FULL SCALE
J.TAFLIN IF NOT ONE INCH Planning/Building/Public Works Dept.
APPROVED: SCALE ACCORDINGLY
J.TAFLIN
SANITARY SEWER NOTES (NAVIX)
1. ALL CONSTRUCTION/INSTALLATION OF SANITARY SEWER MAINS SHALL BE DONE IN A
SAFE, NEAT AND PROFESSIONAL MANNER, AND UNDER SUPERVISION OF CITY AT ALL
TIMES. ALL SAFETY REQUIREMENTS FROM OSHA AND OTHER STATE REGULATORY
AGENCIES MUST BE MET.
2. THE MINIMUM SIZE FOR PUBLIC SEWER MAINS SHALL BE 8" DIAMETER. ALL SANITARY
SEWER PIPING SHALL BE SCHEDULE D3034 PVC OR EQUAL. MINIMUM PIPE DIAMETER
FOR PRIVATE LATERALS IS 6" AND OF SCHEDULE D3034 PVC OR EQUAL. ALL
SANITARY SEWER LATERALS MUST BE PROPERLY MARKED AT ENDS.
3. CONNECTIONS INTO THE EXISTING SANITARY SEWER MAINS REQUIRE ISSUANCE OF
PUBLIC WORKS PERMIT AND INSPECTION BY THE LOCAL JURISDICTION PRIOR TO
BACKFILLING.
4. ALL NEW SANITARY SEWER PIPES AND MANHOLES MUST BE THOROUGHLY CLEANED,
INSPECTED AND PRESSURE/VACUUM TESTED AS REQUIRED BY UTILITY PROVIDER AND
GOVERNMENTAL AGENCIES WITH JURISDICTION. ALL TESTS MUST BE WITNESSED AND
PASSED BY THE UTILITY PROVIDER AND GOVERNMENTAL AGENCIES WITH JURISDICTION
PRIOR TO PLACING INTO OPERATION.
5. THE CONTRACTOR SHALL PROVIDE TO THE UTILITY PROVIDER ANY GUARANTEE OR
WARRANTY NORMALLY FURNISHED WITH THE PURCHASE OF ANY MATERIALS USED IN
CONNECTION WITH THE PROJECT AT HAND.
GENERAL NOTES (CITY OF RENTON)
PROJECT CONSTRUCTION SHALL BE REQUIRED TO COMPLY WITH THE
RECOMMENDATIONS FOUND IN THE GEOTECHNICAL ENGINEERING SERVICES DRAFT
REPORT, PREPARED BY GEOENGINEERS ON SEPT 11, 2019, OR AN UPDATED
GEOTECHNICAL REPORT APPROVED BY THE PLAN REVIEWER AT A LATER DATE.
2. THE APPLICANT SHALL PERMANENTLY ABANDON ALL ONSITE MONITORING WELLS AND
SHALL BE CONSISTENT WITH THE RECOMMENDATIONS OF THE PHASE II: LIMITED SITE
INVESTIGATION REPORT, PREPARED BY PROFESSIONAL SERVICES INDUSTRIES, INC.,
DATED JUNE 11, 2018, OR AN UPDATED REPORT SUBMITTED AT A LATER DATE.
3. THE APPLICANT SHALL REPAIR ANY DAMAGED STREET FRONTAGE INCLUDED, BUT NOT
LIMITED TO, EXISTING CEMENT CONCRETE SIDEWALK AND ROADWAY PAVEMENT ALONG
LOGAN AVENUE N, N 8TH STREET, AND PARK AVENUE.
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bellevue, wa 98004
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ENGINEERS CONSTRUCTION RECORD CERTIFICATION
THIS PLAN HAS BEEN REVIEWED FOR CONFORMANCE WITH THE DESIGN
INTENT. THIS PLAN, AS MODIFIED HEREIN, REPRESENTS THE RECORD
CONDITIONS OF THE NEW CONSTRUCTION SHOWN, BASED UPON OUR
VISUAL OBSERVATION, CONTRACTOR INSTALLATION NOTES AND FIELD
MEASUREMENTS BY THE CONTRACTOR. THIS DOCUMENT DOES NOT
REPRESENT A DETAILED FIELD SURVEY. THE ENGINEER HEREBY
CERTIFIES THAT, BASED UPON THE METHODOLOGY DESCRIBED ABOVE,
CONSTRUCTION SHOWN IS CONSISTENT WITH THE DESIGN INTENT
EXCEPT AS NOTED, AND ACCURATELY REPRESENTS THE EXISTING
CONDITIONS, PER CONTRACTOR PROVIDED RECORD INFORMATION.
NAVIX CERTIFICATION
R-412302 I BY
IN COMPLIANCE WITH CITY OF RENTON STANDARDS
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ARCO/M U RRAY DATE:09.26.2022 ILL
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TOPGOLFRENTON FIELDBOOK: PAGE: O
780 LOGAN AVENUE NORTH
DRAWING
RENTON WA 98057 C-0.0 a
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