HomeMy WebLinkAboutR-432402m
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DEMOLITION NOTES
1. CONTRACTOR IS TO REMOVE ALL EXISTING SURFACE IMPROVEMENTS AS NOTED. ALL
DEBRIS FOUND ON SITE SHALL BE DISPOSED OF IN ACCORDANCE WITH APPLICABLE
STATE CODES.
2. CONTRACTOR TO PROTECT EXISTING FEATURES WHICH ARE TO REMAIN.
3. ABANDONED PIPES LOCATED OUTSIDE BUILDING PAD DEMOLITION LIMITS WITH AN
EXCESS OF 3' COVER MAY BE DECOMMISSIONED AND ABANDONED IN PLACE,
PROVIDED THAT THESE ABANDONED UTILITIES ARE GROUTED AND CAPPED. EXISTING
SUBSURFACE IMPROVEMENTS AND DEBRIS WITHIN THE BUILDING PAD DEMOLITION
AREA, INCLUDING 10' BEYOND FOUNDATIONS, SHALL BE REMOVED.
4. CONTRACTOR SHALL ADJUST ALL EXISTING MANHOLE RIMS, DRAINAGE STRUCTURES,
VALVE BOXES, VAULT LIDS AND UTILITY ACCESS STRUCTURES TO FINISH GRADE
WITHIN AREAS AFFECTED BY PROPOSED CONSTRUCTION.
EROSION CONTROL NOTES
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 2:1 HORIZ: VERT FOR FILL SLOPES, AND 2:1 HORIZ: VERT
FOR CUT SLOPES.
14. ROCKERIES OR OTHER RETAINING FACILITIES EXCEEDING 4' IN HEIGHT REQUIRE A
SEPARATE PERMIT.
15. 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.
16. ALL AREAS DISTURBED DURING CONSTRUCTION WHERE PERMANENT LANDSCAPING WILL
NOT BE PROVIDED WITHIN THE NUMBER OF DAYS SPECIFIED BELOW SHALL BE
HYDROSEEDED, OR OTHERWISE STABILIZED, AS REQUIRED. STRAW MULCHING OR
PLASTIC SHEETING ARE ACCEPTABLE ALTERNATIVES TO TEMPORARY HYDROSEEDING
DURING PERIODS OF LOW GROWTH:
WEST OF THE CASCADE MOUNTAIN CREST
DURING THE DRY SEASON (MAY 1 - SEPT. 30): 7 DAYS
DURING THE WET SEASON (OCTOBER 1 - APRIL 30): 2 DAYS
EAST OF THE CASCADE MOUNTAIN CREST, EXCEPT FOR CENTRAL
BASIN
DURING THE DRY SEASON (MAY 1 - SEPT. 30): 10 DAYS
DURING THE WET SEASON (OCTOBER 1 - APRIL 30): 5 DAYS
CENTRAL BASIN (WHERE MEAN ANNUAL PRECIP. IS LESS THAN 12")
EAST OF THE CASCADE CREST
DURING THE DRY SEASON (MAY 1 - SEPT. 30): 30 DAYS
DURING THE WET SEASON (OCTOBER 1 - APRIL 30): 15 DAYS
17. SLOPE STABILIZATION. 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.
18. STORM DRAIN INLET PROTECTION. ALL STORM DRAIN INLETS MADE OPERABLE DURING
CONSTRUCTION SHALL BE PROTECTED SO THAT STORM WATER RUNOFF SHALL NOT
ENTER THE CONVEYANCE SYSTEM WITHOUT FIRST BEING FILTERED OR OTHERWISE
TREATED TO REMOVE SEDIMENT.
19. DUST ON THE SITE SHALL BE CONTROLLED PER LOCAL JURISDICTIONAL AIR QUALITY
REQUIREMENTS. THE USE OF MOTOR OILS AND OTHER PETROLEUM BASED OR TOXIC
LIQUIDS FOR DUST SUPPRESSION OPERATIONS IS PROHIBITED.
20. REFER TO THE SURFACE STORMWATER POLLUTION PREVENTION PLAN (SWPPP).
21. REFER TO THE CONSTRUCTION STORMWATER GENERAL PERMIT (CSWGP) FOR PROJECTS
OVER 1 ACRE IN DISTURBED AREA.
19 A MAIN111,06 LAND
6814 Greenwood Ave N
Seattle, WA 98103
T (206) 522-9510
WWW.PAcLAND.COM
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�SSIONAL _1
SITE NOTES
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 VESTIBULE, SLOPED PAVING, EXIT PORCHES, SIDEWALKS, PRECISE
BUILDING DIMENSIONS AND EXACT BUILDING UTILITY ENTRANCE LOCATIONS.
3. DIMENSIONS SHOWN REFER TO FACE OF CURB, 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 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. FIRE LANE STRIPING AROUND BUILDING PERIMETER AND ALONG FIRE TRUCK ACCESS
WAYS SHALL BE INSTALLED AS PART OF THIS CONTRACT, IN ACCORDANCE WITH
THE LOCAL CODE AND FIRE MARSHALL REQUIREMENTS.
7. REFER TO PROJECT SURVEY FOR LEGAL DESCRIPTION, DIMENSIONS OF PROPERTY
LINES, BASIS OF BEARINGS & BENCHMARK INFORMATION.
8. ALL ON -SITE PAINTED STRIPING SHALL BE DOUBLE COATED. SEPARATE COATS
SHALL BE APPLIED NO SOONER THAN 4 HOURS APART.
9. PARKING LOT STRIPING SHALL BE WHITE, 4" WIDTH, & DOUBLE COATED, UNLESS
OTHERWISE NOTED. LIGHT POLE BASES TO BE PAINTED TRAFFIC WHITE (DOUBLE
COAT)
10. ALL DISTURBED AREAS ARE TO RECEIVE FOUR INCHES OF TOPSOIL, SEED, MULCH
AND WATER UNTIL A HEALTHY STAND OF GRASS IS ESTABLISHED.
11. ALL ISLANDS WITH CURB AND GUTTER SHALL BE LANDSCAPED. THOSE ISLANDS ARE
TO HAVE 18" CURB AND GUTTER. ALL REMAINING ISLANDS ARE TO BE STRIPED AS
SHOWN.
12. CONTRACTOR SHALL BE RESPONSIBLE FOR ALL RELOCATIONS, INCLUDING BUT NOT
LIMITED TO, ALL UTILITIES, STORM DRAINAGE, SIGNS, TRAFFIC SIGNALS & POLES,
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.
13. ALL VERTICAL CONSTRUCTION SHALL MAINTAIN 10' MINIMUM SEPARATION FROM
OVERHEAD POWER LINES. CONTRACTOR TO NOTIFY ENGINEER IMMEDIATELY IF
CONFLICT EXISTS AND PRIOR TO CONSTRUCTION OF THE VERTICAL ELEMENT
INCLUDING, BUT NOT LIMITED TO, LIGHT POLE BASES AND TRAFFIC SIGNAL
STANDARDS.
STORM DRAINAGE NOTES
1. EXISTING DRAINAGE STRUCTURES TO BE INSPECTED AND REPAIRED AS NEEDED, AND
EXISTING PIPES TO BE CLEANED OUT TO REMOVE ALL SILT AND DEBRIS.
2. 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.
3. STORM DRAINAGE PIPE WITH LESS THAN 2'-0" COVER SHALL BE DUCTILE IRON PIPE
(AWWA C151) TO SUSTAIN H-20 LOADING.
4. ALL ON -SITE STORM DRAINAGE PIPE SHALL BE SMOOTH WALLED INTERIOR,
MANUFACTURER'S VERIFICATION OF MANNING'S ROUGHNESS COEFFICIENT N=0.012 OR
LESS.
5. PRECAST STRUCTURES MAY BE USED AT CONTRACTOR'S OPTION.
6. ALL CATCH BASINS AND AREA DRAINS ARE TO BE SITUATED SUCH THAT THE
OUTSIDE EDGE OF GRATE FRAME IS AT TOE OF CURB OR FLOWLINE OF GUTTER
(WHERE APPLICABLE).
7. CATCH BASIN INLET PROTECTION / EROSION CONTROL TO BE USED FOR ALL NEW
INLETS.
8. ALL STORM PIPE ENTERING STRUCTURES SHALL BE GROUTED TO ASSURE CONNECTION
AT STRUCTURE IS WATERTIGHT.
9. 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 "STORM
SEWER".
10. CONTRACTOR SHALL CONNECT ROOF DRAIN LEADERS AND FOOTING DRAINS TO
PROPOSED STORM DRAINS AS SHOWN.
11, CONTRACTOR SHALL CONFIRM STRUCTURE CONSTRUCTABILITY WITH MANUFACTURER
PRIOR TO DELIVERY AND INSTALLATION.
E
NO.
PERMIT REVISIONS #1
GENERAL UTILITY NOTES
1. ALL IMPROVEMENTS SHALL MEET LOCAL, STATE DOT AND A.P.W.A. STANDARD SPECIFICATIONS.
2. CONTRACTOR SHALL REFER TO ARCHITECTURAL PLANS FOR EXACT LOCATION AND DIMENSIONS OF
VESTIBULE, SLOPED PAVING, SIDEWALKS, RAMPS, PRECISE BUILDING DIMENSIONS AND EXACT
BUILDING UTILITY ENTRANCE LOCATIONS.
3. REFER TO INTERIOR PLUMBING DRAWINGS FOR TIE-IN OF ALL UTILITIES.
4. ALL FILL MATERIAL SHALL BE IN PLACE, AND COMPACTED BEFORE INSTALLATION OF PROPOSED
UTILITIES.
5. CONTRACTOR SHALL NOTIFY THE UTILITY AUTHORITIES INSPECTORS 72 HOURS BEFORE CONNECTING
TO ANY EXISTING LINE.
6. ALL UTILITIES SHOULD BE KEPT TEN (10') APART (PARALLEL) OR WHEN CROSSING 18" VERTICAL
CLEARANCE (OUTSIDE EDGE OF PIPE TO OUTSIDE EDGE OF PIPE).
7. IN THE EVENT OF A VERTICAL CONFLICT BETWEEN WATERLINES, SANITARY LINES, STORM LINES AND
GAS LINE (EXISTING AND PROPOSED), THE SANITARY LINE SHALL BE DUCTILE IRON PIPE WITH
MECHANICAL JOINTS AT LEAST 10 FEET ON BOTH SIDES OF CROSSING, THE WATERLINE SHALL BE
MECHANICAL JOINTS WITH APPROPRIATE THRUST BLOCKING AS REQUIRED TO PROVIDE A MINIMUM
OF 18" CLEARANCE, MEETING REQUIREMENTS OF ANSI A21.10 AND ANSI 21.11 (AWWA C-151)
(CLASS 50).
8. LINES UNDERGROUND SHALL BE INSTALLED, INSPECTED AND APPROVED BEFORE BACKFILLING.
9. CONTRACTOR IS RESPONSIBLE FOR COMPLYING WITH THE SPECIFICATIONS OF THE LOCAL
AUTHORITIES WITH REGARD TO MATERIALS AND INSTALLATION OF THE WATER AND SEWER LINES.
10. ALL NECESSARY INSPECTIONS AND/OR CERTIFICATIONS REQUIRED BY CODES AND/OR UTILITY
SERVICE COMPANIES SHALL BE PERFORMED PRIOR TO ANNOUNCED BUILDING POSSESSION AND THE
FINAL CONNECTION OF SERVICE.
11. CONTRACTOR SHALL COORDINATE WITH ALL UTILITY COMPANIES FOR INSTALLATION REQUIREMENTS
AND SPECIFICATIONS.
12. CONTRACTOR IS TO PROVIDE TRENCHING, CONDUIT, AND BACKFILL FOR ALL UNDERGROUND POWER
LINE AND VAULTS AS REQUIRED BY UTILITY PROVIDER.
13. GAS PIPING SHOWN FOR COORDINATION ONLY. INSTALLATION OF THE GAS MAIN AND METER TO BE
ACCOMPLISHED BY UTILITY PROVIDER.
14. PRIVATE SEWER CONSTRUCTION: ON -SITE BUILDING SEWERS OUTSIDE OF THE PUBLIC SEWER
EASEMENT ARE PRIVATE. CONSTRUCT ACCORDING TO BUILDING DEPARTMENT PLUMBING CODE.
15. MINIMUM PIPE DIAMETER FOR PRIVATE LATERALS IS 6" AND SHALL BE SDR 35 PVC OR EQUAL. ALL
SANITARY SEWER LATERALS MUST BE PROPERLY MARKED AT ENDS.
GRADING NOTES
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. ALL UNSURFACED AREAS DISTURBED BY GRADING OPERATION SHALL RECEIVE 4 INCHES OF TOPSOIL
OR AS OTHERWISE NOTED TO MEET LOW IMPACT DESIGN REQUIREMENTS. 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 IBC 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 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. PROPOSED GRADES SHALL BE LIMITED TO:
10.1. ACCESSIBLE PARKING STALLS AND LANDINGS
10.1.1. 2.0% IN ANY DIRECTION
10.2. ACCESSIBLE PEDESTRIAN PATHS
10.2.1. 2.0% CROSS -SLOPE
10.2.2. 5.0% RUNNING SLOPE
REVISION
PACLAND
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WATER NOTES
1. ALL CONSTRUCTION/INSTALLATION OF WATER MAINS SHALL BE DONE IN A SAFE, NEAT AND
WORKMANLIKE MANNER, AND UNDER SUPERVISION BY UTILITY PROVIDER FORCES 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 PIPE OR AS OTHERWISE
ALLOWED BY THE AGENCY HAVING JURISDICTION.
3. ALL ELBOWS/BENDS ON WATER MAINS SHALL BE MECHANICALLY RESTRAINED WITH CONCRETE
THRUST BLOCKING OR AS OTHERWISE ALLOWED BY THE AGENCY HAVING JURISDICTION.
4. A DEPTH OF 36" FROM FINISHED GRADE TO THE TOP OF THE WATER MAIN IS REQUIRED.
PLACING WATER LINES SHALLOWER THAN 36" IS PROHIBITED.
5. ALL NEW PIPES MUST BE PROPERLY FLUSHED, PRESSURE TESTED, AND CHLORINATED BY THE
CONTRACTOR, AND INSPECTED BY UTILITY PROVIDER AND GOVERNMENTAL AGENCIES WITH
JURISDICTION.
6. 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 LISTED ON THE STATE APPROVED
BACKFLOW PREVENTION DEVICES.
7. 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.
8. BACKFLOW PREVENTION DEVICES SHALL BE CONSTRUCTED OF CORROSION RESISTANT MATERIALS.
9. EXTERNAL WATER METER AND BACKFLOW PREVENTION VAULTS SHALL BE GASKETED IN AREAS
OF HIGH GROUNDWATER OR NEAR STORMWATER MANAGEMENT FACILITIES AS REQUIRED BY THE
UTILITY PROVIDER, CONTRACTOR TO CONFIRM.
10. BACKFLOW DEVICES SHALL INCLUDE DRAINS OR HEATED BOXES IF DIRECTED BY THE AGENCY
HAVING JURISDICTION. CONTRACTOR TO NOTIFY THE PROJECT ENGINEER IF THE PLANS DO NOT
SHOW THESE ITEMS.
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1. ALL CONSTRUCTION/INSTALLATION OF SANITARY SEWER MAINS SHALL BE DONE IN A SAFE, NEAT
AND PROFESSIONAL MANNER, AND UNDER SUPERVISION OF CITY FORCES 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 (SDR 35) PVC OR AS OTHERWISE REQUIRED BY THE AGENCY
HAVING JURISDICTION. 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.
m
DATUM
CITY OF
RENTON
Planning/Building/Public Works Dept.
SW1/4OFS237T23N, R 5 E
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R-432402
IN COMPLIANCE WITH CITY OF RENTON STANDARDS
DEVELOPMENT ENGINEERING �'
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