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HomeMy WebLinkAboutS-05460B4• 4' Ditch Slope Check Dom Spacing I 0 -5% 150' 1. ALL LIMITS OF CLEARING AND AREAS OF VEGETATION 5 -10% 100, Sump Behind Rock Check Dom 1.0 0.5 ``✓ > - 10% 50* Cleaned When Collected Debris Min. Kay Rock Into Swale 0.25' Min. Exceeds 1/2 Ot Its Depth INTERCEPTOR DITCH X-SECTION & ROCK CHECK DAM (FRONT VIEW) I h6! ,n. 1 EROSION CONTROL NOTES lU11 LI vq �XLaYa 10,j Flow - _� �_ -_ Flow _ _ _„�� 1. ALL LIMITS OF CLEARING AND AREAS OF VEGETATION PRESERVATION AS PRESCRIBED ON THE PLAN SHALL BE Key Rack 5` Sump Behind Rock Check Dom Into Swale Shall Be Inspected Daily 8 Min. 0.25' Cleaned When Collected Debris CONSTRUCTION. Exceeds 1/2 Ot Its Depth NOTE: Rock Shall Be 4" Minus Quarry Rock ROCK CHECK DAM X-SECTION (SIDE VIEW) THE EROSION AND SEDIMENTATION CONTROL SYSTEMS TYPICAL INTERCEPTOR DITCH WITH Rnr.k t'_HFrK nAM ?x;:5rl7= IOnW.J fbv- "PLlLfii' 14' 1)6e� COW FOP- -110 DF-Te 'IDh('77":17. Nor AL111WED FM UhE lu eatDwh}t5,pwvcwA,1(a PARI44WA t) A OfZ WHP9.e_ VaUl"WICtt LOACIy WOOL& Oc m �Jff�i)YE E+cLLARD _ J�slR•l�= �A,6�E•EWd l .xF crw ea �MI�RNK6D "OvwN1 v6$ ' iAk ` MOJNTF -=D OyeR 2A' ill" POO= 41 PETE MOW ThN}L FLA0 !/19 Ica Scan: 6TANOARD LtYJt1N64 M-H• F9 MM 4 COVE-9 2 C-5 �-- KeRr�• DNICl.�loex�{+'SO LaNC€•EEiE ?oP �a.AE PIPE EeDDIWI r'�rnl.46AM::1 MATE9 lhL -4 LiR4E AS TANK wELPac- M FuBED Ta TANK M+(• StEPh I2' O.G. WELD Or_ BOLT ST7 �lOhRiD M l i 51EP5 2�u Hex 9ETe1kM eJ 'Cht1V_ %6cz••1 w�V . NO 1• li'� &DZ06f1tA(4 61OLK1.7 Al, p94'D TO BM061 FP.W'L'R 4ZAy-M 2•AtL ►4htEtzsatragD BE a<LOMlmom Opt yp,LVa•l�zeo � AtSGsik6T Lo6.TED Cirtxrme sr f or R ITi=fZ Motrrt'En1htJtT VD>f;:, By 0✓KrrI o �1 MIT-- . I' v, 2� SCi//i� DtPfb 1.5'.S�d'iren>` Siwaaa � 061, CZ4041 fUtGlN9 CROSS SECTION No SCALE �: May be 4041,1V Ilad b f e-pval f Croy kold«rg a berm 1' Dept of ~Z- 4120ck' SEDIMENT TRAP OUTLET NO SCALE EROSION CONTROL NOTES lU11 LI vq �XLaYa 10,j 1. ALL LIMITS OF CLEARING AND AREAS OF VEGETATION PRESERVATION AS PRESCRIBED ON THE PLAN SHALL BE aL+c CLEARLY FLAGGED IN THE FIELD AND OBSERVED DURING POTENTIAL FOR ON -SITE EROSION HAS PASSED. THE CONSTRUCTION. ADDITIONS TO EROSION /SEDIMENTATION CONTROL SYSTEMS SHALL BE THE RESPONSIBILITY OF THE PERMITTEE. 3. THE EROSION AND SEDIMENTATION CONTROL SYSTEMS 2. ALL REQUIRED SEDIMENTATION /EROSION CONTROL REQUIREMENTS TO MEET ANTICIPATED SITE CONDITIONS. FACILITIES MUST BE CONSTRUCTED AND IN OPERATION p_ser,H �kz. PRIOR TO LAND CLEARING AND /OR OTHER CONSTRUCTION ANTICIPATE THAT MORE EROSION AND SEDIMENTATION TO INSURED THAT SEDIMENT LADEN WATER DOES NOT 061, CZ4041 fUtGlN9 CROSS SECTION No SCALE �: May be 4041,1V Ilad b f e-pval f Croy kold«rg a berm 1' Dept of ~Z- 4120ck' SEDIMENT TRAP OUTLET NO SCALE NEEDED TO PROTECT ADJACENT PROPERTIES AND WATER QUALITY OF THE RECEIVING DRAINAGE SYSTEM. 4. APPROVAL OF THIS PLAN IS FOR EROSION /SEDIMENTATION CONTROL ONLY IT DOES NOT CONSTITUTE AN APPROVAL OF STORM DRAINAGE DESIGN, SIZE NOR LOCATION OF PIPES, RESTRICTORS, CHANNELS, OR RETENTION FACILITIES. 5. 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 PERMITTEE, BUT MUST BE AUGMENTED WITH MULCHING, NETTING, OR OTHER TREATMENT APPROVED BY THE CITY OF RENTON, OUTSIDE THE SPECIFIED TIME PERIOD. 6. FOR ALL EROSION /SEDIMENTATION CONTROL PONDS WHERE THE DEAD STORAGE DEPTH EXCEEDS 6 INCHES, A FENCE, A MINIMUM OF 3 FEET HIGH IS REQUIRED, WITH 3:1 SIDE SLOPES_ 7. A TEMPORARY GRAVEL CONSTRUCTION ENTRANCE, 30' X 50' X 8" OF 4 TO 6 INCH QUARRY SPALLS SHALL BE LOCATED AT ALL POINTS OF VEHICULAR INGRESS AND EGRESS TO THE CONSTRUCTION SITE. SANITARY SEWER NOTES AND SPECIFICATIONS 1. All work materials shall be in conformance with the standards and specifications of the City of Renton. Utility Department and the latest edition of the WSDOT /APWA Standards and specifications. A set of approved plans shall be kept on -site at all times during construction. 2. The hours of work in the street right -of -way shall be limited to 8:30 am to 3:30 pm on weekdays unless otherwise approved in writing by the Department of Public Works at 235 -2620. All street closures, partial or full, shall be approved by the Department of Public Works 24 hours in advance. The police department, fire department and 911 shall be notified 24 hours in advance. 3. All construction shall be in accordance with "Standard Specifications for Municipal Public Works Construction" prepared by Washington State Chapter American Public Works Association, 1988 edition. (APWA) and City of Renton Standard Specifications. 4. All locations of existing utilities shown are approximate and it shall be the contractor's responsibility to verify the true and correct location so as to avoid damage or disturbance. 5. A preconstruction conference and a 24 hour notice shall be required prior to starting new construction. It shal3 be the contractor's responsibility to secure all necessary permits prior to starting Construction. (Inspection will be accomplis Led. by a representative of the City of Renton.) It shall be tho, contractor's responsibility to notify the utility dep ztment 24 hours in advance of backfilling all construction. 6. Contractor is solely responsible for the means, methods and sequences of construction and for the safety of workers and others on the construction site. 7. It shall be the responsibility of the contractor to obtain street use and any other related permits prior to any construction. 8. Plans approved by the City of Renton, Public Works Department shall take precedence over all other plans. 9. A copy of these approved plans must be on the job site whenever construction is in progress. 10. The contractor shall provide the City of Renton with an as- built drawing of the sanitary sewer system which has been stamped and signed by a licensed professional engineer or licensed professional surveyor. 11. Backfill shall be placed equally on both sides of the pipe in layers with a loose average depth of 6 inches, maximum depth of 8 inches, thoroughly tamping each layer to 95 percent on maximum density. These compacted layers must extend for one pipe diameter on each side of the pipe or to the side of the trench. Materials to complete the fill over pipe shall be the same as described. 12. Open cut road crossings for utility trenches on existing traveled roadway shall be backfilled with crushed rock and mechanically compacted per City of Renton standards. Cuts into the existing asphalt shall be neatline cut with saw in a continuous line. A temporary mix patch must be placed immediately after backfill and compaction. A permanent hot mix patch shall be placed with 10 days and shall be per City of Renton current standards. 13. Datum shall be City of Renton, U.S.C. and G.S. 14. All disturbed areas shall be seeded and mulched or otherwise stabilized to the satisfaction of the Department for the Prevention of no -site erosion after the completion of construction. 15. All pipe and appurtenances shall be laid on a properly prepared foundation in accordance with Section 7- 02.3'(2) of the current state of Washington standard specifications for road and bridge construction. This shall include necessary leveling of the trench bottom or the top of the foundation material as well as placement and compaction of required bedding material to uniform grade so that the entire length of the pipe will be supported on a uniformly dense unyielding base. Pipe bedding shall be pea gravel 6" above and below the pipe. 16. Sanitary sewer pipe shall be polyvinyl chloride (PVC) rubber gasketed ASTM 3034, SDR 35, or ductile iron Class 50. 17. In unimproved areas, manhole to extend minimum 6 inch and maximum 18 inch above finished grade. in paved area, cover must slope in all directions to match paving: .o- u,. y\N Coe pr `L<Cr •Oi Ytsy.�PfN V. 1 k 1 • C'hAl ts saw ENTER THE NATURAL DRAINAGE SYSTEM. ALL EROSION AND SEDIMENT FACILITIES HALL BE MAINTAINED IN A SATISFACTORY CONDITION UNTIL SUCH TIME THAT CLEARING AND /OR CONSTRUCTION IS COMPLETED AND POTENTIAL FOR ON -SITE EROSION HAS PASSED. THE IMPLEMENTATION, MAINTENANCE, REPLACEMENT AND ADDITIONS TO EROSION /SEDIMENTATION CONTROL SYSTEMS SHALL BE THE RESPONSIBILITY OF THE PERMITTEE. 3. THE EROSION AND SEDIMENTATION CONTROL SYSTEMS DEPICTED ON THIS DRAWING ARE INTENDED TO BE MINIMUM REQUIREMENTS TO MEET ANTICIPATED SITE CONDITIONS. AS CONSTRUCTION PROGRESSES AND UNEXPECTED OR SEASONAL CONDITIONS DICTATE, THE PERMITTEE SHALL ANTICIPATE THAT MORE EROSION AND SEDIMENTATION CONTROL FACILITIES WILL BE NECESSARY TO INSURED COMPLETE SILTATION CONTROL ON THE PROPOSED SITE. DURING THE COURSE OF CONSTRUCTION, IT SHALL BE THE OBLIGATION AND RESPONSIBILITY OF THE PERMITTEE TO ADDRESS ANY NEW CONDITIONS THAT MAY BE CREATED BY HIS ACTIVITIES AND TO PROVIDE ADDITIONAL FACILITIES, OVER AND ABOVE MINIMUM REQUIREMENTS, AS MAY BE NEEDED TO PROTECT ADJACENT PROPERTIES AND WATER QUALITY OF THE RECEIVING DRAINAGE SYSTEM. 4. APPROVAL OF THIS PLAN IS FOR EROSION /SEDIMENTATION CONTROL ONLY IT DOES NOT CONSTITUTE AN APPROVAL OF STORM DRAINAGE DESIGN, SIZE NOR LOCATION OF PIPES, RESTRICTORS, CHANNELS, OR RETENTION FACILITIES. 5. 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 PERMITTEE, BUT MUST BE AUGMENTED WITH MULCHING, NETTING, OR OTHER TREATMENT APPROVED BY THE CITY OF RENTON, OUTSIDE THE SPECIFIED TIME PERIOD. 6. FOR ALL EROSION /SEDIMENTATION CONTROL PONDS WHERE THE DEAD STORAGE DEPTH EXCEEDS 6 INCHES, A FENCE, A MINIMUM OF 3 FEET HIGH IS REQUIRED, WITH 3:1 SIDE SLOPES_ 7. A TEMPORARY GRAVEL CONSTRUCTION ENTRANCE, 30' X 50' X 8" OF 4 TO 6 INCH QUARRY SPALLS SHALL BE LOCATED AT ALL POINTS OF VEHICULAR INGRESS AND EGRESS TO THE CONSTRUCTION SITE. SANITARY SEWER NOTES AND SPECIFICATIONS 1. All work materials shall be in conformance with the standards and specifications of the City of Renton. Utility Department and the latest edition of the WSDOT /APWA Standards and specifications. A set of approved plans shall be kept on -site at all times during construction. 2. The hours of work in the street right -of -way shall be limited to 8:30 am to 3:30 pm on weekdays unless otherwise approved in writing by the Department of Public Works at 235 -2620. All street closures, partial or full, shall be approved by the Department of Public Works 24 hours in advance. The police department, fire department and 911 shall be notified 24 hours in advance. 3. All construction shall be in accordance with "Standard Specifications for Municipal Public Works Construction" prepared by Washington State Chapter American Public Works Association, 1988 edition. (APWA) and City of Renton Standard Specifications. 4. All locations of existing utilities shown are approximate and it shall be the contractor's responsibility to verify the true and correct location so as to avoid damage or disturbance. 5. A preconstruction conference and a 24 hour notice shall be required prior to starting new construction. It shal3 be the contractor's responsibility to secure all necessary permits prior to starting Construction. (Inspection will be accomplis Led. by a representative of the City of Renton.) It shall be tho, contractor's responsibility to notify the utility dep ztment 24 hours in advance of backfilling all construction. 6. Contractor is solely responsible for the means, methods and sequences of construction and for the safety of workers and others on the construction site. 7. It shall be the responsibility of the contractor to obtain street use and any other related permits prior to any construction. 8. Plans approved by the City of Renton, Public Works Department shall take precedence over all other plans. 9. A copy of these approved plans must be on the job site whenever construction is in progress. 10. The contractor shall provide the City of Renton with an as- built drawing of the sanitary sewer system which has been stamped and signed by a licensed professional engineer or licensed professional surveyor. 11. Backfill shall be placed equally on both sides of the pipe in layers with a loose average depth of 6 inches, maximum depth of 8 inches, thoroughly tamping each layer to 95 percent on maximum density. These compacted layers must extend for one pipe diameter on each side of the pipe or to the side of the trench. Materials to complete the fill over pipe shall be the same as described. 12. Open cut road crossings for utility trenches on existing traveled roadway shall be backfilled with crushed rock and mechanically compacted per City of Renton standards. Cuts into the existing asphalt shall be neatline cut with saw in a continuous line. A temporary mix patch must be placed immediately after backfill and compaction. A permanent hot mix patch shall be placed with 10 days and shall be per City of Renton current standards. 13. Datum shall be City of Renton, U.S.C. and G.S. 14. All disturbed areas shall be seeded and mulched or otherwise stabilized to the satisfaction of the Department for the Prevention of no -site erosion after the completion of construction. 15. All pipe and appurtenances shall be laid on a properly prepared foundation in accordance with Section 7- 02.3'(2) of the current state of Washington standard specifications for road and bridge construction. This shall include necessary leveling of the trench bottom or the top of the foundation material as well as placement and compaction of required bedding material to uniform grade so that the entire length of the pipe will be supported on a uniformly dense unyielding base. Pipe bedding shall be pea gravel 6" above and below the pipe. 16. Sanitary sewer pipe shall be polyvinyl chloride (PVC) rubber gasketed ASTM 3034, SDR 35, or ductile iron Class 50. 17. In unimproved areas, manhole to extend minimum 6 inch and maximum 18 inch above finished grade. in paved area, cover must slope in all directions to match paving: .o- u,. y\N Coe pr `L<Cr •Oi Ytsy.�PfN V. 1 k 1 • C'hAl ts saw