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Home My WebLink AboutTED4001801.2SEC. 8, TWP. 23 N., RGE. 5 E., F ' / or•in irno1-cn c A oru WA i i NO T E: CONTRACTOR SHALL EXEI?CISE GREA T CARE IN PROTECTING EXIS T/h TREES DURING CONSTR SEE NO tE 6 81,17, THIS SHEET, CONT% ACTOR PROVtE 6' HIGH CHAIN FENCt AROUND DRIPL Ili EXISTING TREES TO BE 0 20 40 1" = 20' DATUM: CITY OF RENTON (U.S.C. & G.S) T. B. M .. INVERT OF SANITARY SEWER MANHOLE NEAR S.W. CORNER OF PROPERTY. I.E. = 147.40 T8M 4 BENCHMARK OCONCRETE . MONUMENTAT THE INTERSECTION OF N.E. 12TH ST. AND ABERDEEN AVE. N.E. ELEV. = 280.88 CND :;KF U H _,k . )VIF' tAr4cl. JdIP. RECC AMENDED FOR APPROW PLAN RLr1(IE.W i t , ,_ MMFNDED V* APPROVAL 2- -rRP9tVSP0Rr4T-10N W.M. 1. All work and materials shall be in accordance with the latest edition of the Standard Specifications for Road, Bridge, and Municipal Construction prepared by W.S.D.O.T. and A.P.W.A. as adopted by the City of Renton Department of Public Works. 2. Prior to any construction activity, the contractor shall schedule and attend a pre -construc- tion conference with the City of Renton Construction Inspection personnel by phoning 277-5570 3. A copy of these approved plans must be on the job site whenever construction is in progress. 4. All site work improvements shall be constructed in accordance with these approved plans. Any deviation from these plans will require prior approval from the owner, engineer and appropri- ate public agencies. 5. It shall be the sole responsibility of the contractor to obtain street use and any other relat- ed permits prior to any construction activity. 6. All locations of existing utilities shown hereon have been established by field survey or ob- tained from available records and should therefore be considered approximate only and not nec- essarily complete. It is the sole responsibility of the contractor to independently verify the accuracy of all utility locations shown and to further discover and avoid any other utili- ties not shown hereon which may be affected by the implementation of this plan. The contrac- tor shall contact the Underground Utilities Location Service (1-800-424-5555) at least 48 hours prior to construction. The owner or his representative and the engineer shall be con- tacted immediately if conflicts exist. 7. Locations of roadways, buildings and parking areas shown hereon are approximate. For dimen- sioned locations of these improvements, refer to the architectural site plan. Improvement and structure locations shall be field set by the engineer as required. 8. The facilities shown on the approved Erosion/Sedimentation Control Plans shall be constructed/ implemented prior to any extensive grading or land clearing in accordance with that plan. These facilities must be satisfactorily maintained until construction and landscaping is completed and the potential for onsite erosion has passed. 9. Grading into areas outside of this property is subject to the written consent of adjoining NDA RD ROCKERY property owners. Failure to obtain such consent may require additional rockery or other suit- SHEE T Cl able soil stabilization such that all grading occurs within the project's boundaries. The con- tractor shall verify the status of the adjoining property owner's consent by contacting the de- veloper prior to performing work outside of project boundaries. 10. No structures, fill, or obstructions shall be placed within the 25-year flood plain or stream bank protection easement (as delineated in these plans) without prior written consent of the City of Renton. 11. Grades shown on this plan represent the engineer's estimate of approximate minimum earthwork and other grading/soil considerations. The contractor may alter the grades shown to better achieve these results provided that any alteration is subject to the prior approval in writ- ing by the engineer, owner, and the appropriate City of Renton departments. 12. The recommendations provided in the soils report (# 888-//G ) prepared by Cascade Geotechnical, dated AUG. 25, /988 , shall be incorporated herein by reference. Where conflicts between the soils report recommendations and this design appear, the engineer shall be contacted for resolution. 13. No final grade cut or embankment slope shall exceed 2:1 (horiz:vert) without stabilization by rockery (not to exceed 81) or by retaining wall, unless specifically authorized by a licensed soils engineer and approved by City of Renton. All rockeries over 4 feet high and all re- taining walls outside of City of Renton right-of-way will require a separate building permit. 14. All rockeries constructed on this project shall conform to City of Renton Standard Plans. A 4" minimum diameter perforated, rigid PVC pipe (or equal --to be approved by the engineer) shall be installed behind the rockery at or below the bottom of the lowest rock in the rockery backfill (see detail). This pipe shall be directly connected to the underground storm drain- age system with non -perforated, rigid PVC pipe or as otherwise shown on the plans. A suffi- cient number of cleanouts shall be installed in this drain to insure adequate access for main- tenance. . V Z AQJ z Z Z _ _J a w W1) n ccZ } W Z . Q LY W Q Q W> ZD ? 1 3 W m �U) T 0_J Lo W Z Z V m Q� lU WQ W W 0Z 0W J 0 > 0 U 15. Where berming, filling, or other grading occurs within the dripline of any tree denoted on these plans to be saved, the grading contractor shall exercise special care to assure that this work does not result in the demise of the tree. Techniques such as rockeries, tree pro- tection fences, or other methods recommended by the landscape architect shall be employed. 16. O Denotes trees which are to be saved. CL � �o 17. Denotes trees which are to be removed. Other trees may be saved by the contractor if rr^� 0 grading allows and the owners approve. v, `� W 18. All earthwork under paving to be used by vehicular traffic shall be compacted to at least 95% of the maximum dry density per A.S.T.M. D-1557-78 (Modified Proctor). Q Q �p 19. Unless otherwise noted, all spot elevations shown in paved areas are top of paving. o'er 20. All parking, driveway and landscaped areas shall have at least a 1.5% slope toward the nearest ( R� ` O N Q storm drainage interception/conveyance system. Plan details or field modifications shall not y .4 � �E supercede this requirement. 0) W k Qj jp 21. Extruded cement concrete curbing, where specified, shall be constructed in accordance with � Q ap O W City of Renton standards and details or details shown on these plans. Q 22. Any area which has been stripped of vegetation and where no further work is anticipated for a v� (�'� n period of 14 days or more shall be immediately stabilized with mulching, grass seeding or O 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. (� L Seeding may proceed whenever it is in the interest of the permittee, but must be augmented Z with mulching, netting, or other City of Renton -approved treatment. Straw mulch shall consist j of a minimum thickness of two inches spread evenly over the surface to be protected. Netting V) may be required to hold -mulch in place on steep slopes. Grass seeding shall be accomplished through the use of a City of Renton -approved hydroseeder and seed Mixture or through placement of an acceptable sod. 23. Major exposed, graded slopes shall be protected by clear plastic sheeting or similar approved method until such time as the vegetative cover has been established sufficiently to inhibit erosion. O � O 24. The Contractor shall be responsible for providing adequate safeguards, safety devices, protec- tive equipment, flaggers, and any other needed actions to protect the life, health, and safety J Q of the public, and to protect property in connection with the performance of work covered by the contract. Any work within the traveled right-of-way that may interrupt normal traffic Oj flow shall require at least one flagger for each lane of traffic affected. All sections of nl the W.S.D.O.T. Standard Specifications 1-07.23 - Traffic Control shall apply. Z W W Z 25. The contractor shall keep off -site streets clean at all times by sweeping. Washing of these J V Vj Q streets will not be allowed without prior City of Renton approval. > O 26. It shall be the sole responsibility of the contractor to arrange relocation or removal of ex- W isting utility poles, street lights, traffic signals, etc. by contacting the appropriate utili- 0 Q ty companies. Refer to the plans for specifics. W W 27. Issuance of this Building Permit by City of Renton does not relieve the owner of this con- >Z 0 W tinuing legal obligation and/or liability connected with storm and surface water disposition W > 41 and further, City of Renton does not accept any obligation for the proper functioning and Q maintenance of the system provided. Q Q Q SHEET OF o2 R P1801 , C4 /7 s�-2 ". P� PROJECT N A JN,1BER SCANNED MAR Z 6 89140 _ , ar +1., ,4 " P4,1110