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Home My WebLink AboutR-365313PORTION OF NE 1/4 OF SEC 16, T 23 N, R 5 E., E.M. GENERAL NOTES Surface Water Drainage Notes and Specifications THESE NOTES SHALL APPEAR ON PROJECTS FOR THE SURFACE WATER UTILITY. 15. A// building downspouts and Footing drains shall be connected to the storm 1. BEFORE ANY CONSTRUCTION OR DEVELOPMENT AcnVTY OCCURS, A PRE - CONSTRUCTION drainage system, unless approved by the City plan reviewer or Surface Water MEEnNG MUST BE HELD WITH THE CITY OF RENTON PLAN REVIEWER. Utility Section. An accurately dimensioned, certified as -built drawing of this DATE drainage system will be submitted to the City upon completion. 2. All construction shall be in accordance with the 1996 Standard Specifications 16. Issuance of the building or construction permits by the City of Renton does for Road, Bridge and Municipal Construction prepared by WSDOT and the American not relieve the owner of the continuing legal obligation and /or liability Public Works Association (APWA), as amended by the City of Renton Public Works connected with storm surface water disposition. Further, the City of Renton Department does not accept any obligation for the proper functioning and maintenance of the J. The surface water drainage system shall be constructed according to the system provided during construction. approved plans, which are on file in the Public Works Department. Any deviation from the approved plans will require written approval hom the City of Renton 17. The Contractor shall be responsible for providing adequate safeguard, safety Public Works Department Surface Woter Utility Section. devices, protective equipment, huggers, and any other needed actions to protect the life, health, and safety of the public, and to protect property in 4. A copy of these approved plans must be on the job site whenevUr construction connection with the performance of work covered by the contract. Any work JOINT o within the traveled right of way that may interrupt normal traffic flow shall is in progress. require a traffic control plan approve by the Public Works Department, 5. Datum shall be NAM 88 unless otherwise approved by the City of Renton Public Transportation Systems Division. All sections of the WSDOT Standard Works Department. Reference benchmark and elevations are noted on the plans. Specifications 1 -07 -23 Traffic Control shall opp/y. 6. All sedimentation /erosion facilities must be in operation prior to clearing 18. Special drainage measures will be required if the project location is within and building construction, and they must be satisfactorily maintained until the aquifer protection area (APA). construction is completed and the potential for on -site erosion has possed.7. All retention /detention facilities must be installed and in operation prior to CURB & GUTTER or in conanction with all construction activity unless otherwise approved by the Public Works Department, Surface Woter Utility Section. CEMENT CONCRETE 8. Gross seed may be applied by hydroseeding. The grass seed mixture, other than City of Renton approved standard mixes, shall be submitted by a Landscape Architect and approved by the Public Works Department Surface Water Utility Section. SLOPE (TYP.) 9. All pipe and appurtenances shall be laid on a property prepared foundation in accordance with Section 7- 02.3(1) of the current State of Washington Standard Specification 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. All pipe bedding shall be APWA Class C ", with the exception of PVC pipe. All trench backfill shall be compacted to minimum 95Z for pavement and structural fill and 90% otherwise per ASTM D- 1557 -70. Pea gravel bedding shall be 6 inches over and under PVC pipe. 10. Galvanized steel pipe and aluminized steel pipe for all drainage facilities shall have asphalt treatment jet or better inside and outside. 11. Structures shall not be permitted within 10 feet of the spring Ane of any storm drainage pipe, or 15 feet from the top of any channel bank. 12. All catch basin grates shall be depressed 0.10 feet below pavement level. 13 Open cut road crossings through existing public right of way will not be allowed unless specifically approved by City of Renton Planning/Building/Public BASIC SHEET FLOW DISPERSION Works Administrator 2' WIDE CRUSHED ROCK 14. Rock for erosion protection of roadside ditches, where required, shall be of 10' VEGETATED FLOW PATH sound quarry rock laced to a depth of one 1 foot and must meet the following ER TABLE C.2.1.7 3/6 q p () 9 CONTINUE TO MATCH DRIVEWAY (T'p') (B specifications: 4 - 8 inch rock / 40 - 70% passing,' CROSS SLOPE OVER 10 -FT VEGETATED 2 - 4 inch rock / 30 - 40% passing; and SLOPE PATH ALONG THE NORTH SIDE OF DRIVEWAY less than 2 inch rode / 10 - 20% passing. L 10' 5'. 4" COMPACTED DEPTH CLASS "B" ASPHAL IN 2 - 2" LIFTS 6" COMPACTED DEPTH - CRUSHED_ SURFACING TOP COURSE 12" GRAVEL BASE AS NEEDED- 20' PAVED SECTION 2.0% ROAD SECTION PRIVATE DRIVEWAY ROADWAY CENTERLINE TRENCHES FOR ROAD CROSSINGS. 1. ANY AFFECTED LANE WALL BE GROUND DOWN 2 INCHES AND PAVED FOR THE ENTIRE WIDTH OF THE LANE. 2. IF THE OUTSIDE OF THE TRENCHING IS WITHIN THREE FEET OF ANY ADJACENT LANE LINE, THE ENTIRE ADJACENT TRAVELED LANE AFFECTED WILL BE PAVED. 1 - #3 BAR lip> 5 S�� 2 2 - #3 BAR HOOP #3 BAR EACH CO' #3 BAR EACH #3 BAR EACH 5 S.. 2 4" MIN EE SM PLAN F -3) (SEE Slq. PLAN CO 5 I RAMP WITH 12H: TV � Sl< NOTE T CEMENT CONLHE IE� SLOPE (TYP') PLAN NEW B CURB & GUTTER (SEE NOTE 3) CEMENT CONCRETE DRIVEWAY ENTRANCE TYPE 1 6 - a' VARIES - 14' MIN. I-- RAMP SEE CONTRACT RAMP CEMEN CT PYCRETE PEDESTRIAN�� a < CURB (TYP.) CEMENT CONCRETE 3/8' EXPANSION JOINT (TYP.) SIDEWAIX SECTION O (SEE SD. PLAN F -3) RE B (TYP.) IN CONTRACT) F -1) TENT CONCRETE SIDEWALK u FRAME AND GRATE 5" RISER SECTION 12" RISER SECTION PRECAST BASE SECTION (MEASUREMENT AT THE TOP OF THE BASE) CATCH BASIN - TYPE 1 NTS NOTES 1. Men the driveway width exceeds 15 feel, construct a full depth expansion joint (see Standard Plan F -3) with 3/8" joint filler along the driveway centerline. Construct expansion joints parallel with the centerline as required at 15' maximum spacing when driveway widths exceed 30'. 2. See Std. Plan F -3 far sidewalk details. 3. Curb and gutter shown, see the Contract Plans for the Curb design specified. Sea Std. Plan F -1 for curb details. 4. Avoid placing drainage structures, junction boxes or other obstructions in front of driveway entrances. 6 - 0' "VARIES - 6 - 0' BY 6' - 0' " 1/2' R (TYP.) DATE BY r C CURB GUTTER y�l =S BY DATE CEMENT O ONCRE % 2S 3/8' EXPANSION JOINT PEDESTRIAN C CUF ' EXPANSION J JOINT o o ( (WHEN ST I IBEt (BY OTHERS) CEMENT CONCRETE CURB & GUTTER (SEE NOTE 3) CEMENT CONCRETE PEDESTRIAN CURB (TYP.)� RAMP W. 12H:1V SLOPE (TYP.) RAMP WITH 12H: TV � Sl< NOTE T CEMENT CONLHE IE� SLOPE (TYP') PLAN NEW B CURB & GUTTER (SEE NOTE 3) CEMENT CONCRETE DRIVEWAY ENTRANCE TYPE 1 6 - a' VARIES - 14' MIN. I-- RAMP SEE CONTRACT RAMP CEMEN CT PYCRETE PEDESTRIAN�� a < CURB (TYP.) CEMENT CONCRETE 3/8' EXPANSION JOINT (TYP.) SIDEWAIX SECTION O (SEE SD. PLAN F -3) RE B (TYP.) IN CONTRACT) F -1) TENT CONCRETE SIDEWALK u FRAME AND GRATE 5" RISER SECTION 12" RISER SECTION PRECAST BASE SECTION (MEASUREMENT AT THE TOP OF THE BASE) CATCH BASIN - TYPE 1 NTS NOTES 1. Men the driveway width exceeds 15 feel, construct a full depth expansion joint (see Standard Plan F -3) with 3/8" joint filler along the driveway centerline. Construct expansion joints parallel with the centerline as required at 15' maximum spacing when driveway widths exceed 30'. 2. See Std. Plan F -3 far sidewalk details. 3. Curb and gutter shown, see the Contract Plans for the Curb design specified. Sea Std. Plan F -1 for curb details. 4. Avoid placing drainage structures, junction boxes or other obstructions in front of driveway entrances. 6 - 0' 6 - 0' BY DEPRESSED 1/2' R (TYP.) DATE BY DATE CURB GUTTER y�l =S BY DATE (SEE NOTE 3) O % 2S 3/8' EXPANSION JOINT (TYP.) (SEE STD. PLAN F -3) DRIVEWAY SECTION O (BY OTHERS) DRIVEWAY (BY OTHERS) CEMENT CONCRETE CURB & GUTTER (SEE NOTE 3) CEMENT CONCRETE PEDESTRIAN CURB (TYP.)� RAMP W. 12H:1V SLOPE (TYP.) (SEE NOTE TYPE 1 - ISOMETRIC VIEW 1. AS ACCEPTABLE ALTERNATIVES TO THE REBAR SHOWN IN THE PRECAST BASE SECTION, FIBERS (PLACED ACCORDING TO THE STANDARD SPECIFICATIONS), OR WIRE MESH HAVING A MINIMUM AREA OF 0.12 SQUARE INCHES PER FOOT SHALL BE USED WITH THE MINIMUM REQUIRED REBAR SHOWN IN THE ALTERNATIVE PRECAST BASE SECTION. WIRE MESH SHALL NOT BE PLACED IN THE KNOCKOUTS. 2. THE KNOCKOUT DIAMETER SHALL NOT BE GREATER THAN 26 ". KNOCKOUTS SHALL HAVE A WALL THICKNESS OF 2" MINIMUM TO 2.5" MAXIMUM. PROVIDE A 1.5" MINIMUM GAP BETWEEN THE KNOCKOUT WALL AND THE OUTSIDE OF THE PIPE. AFTER THE PIPE IS INSTALLED, FILL THE GAP WITH JOINT MORTAR IN ACCORDANCE WITH STANDARD SPECIFICATION 9 -04.3. 3. THE MAXIMUM DEPTH FROM FINISHED GRADE TO THE LOWEST PIPE INVERT SHALL BE 5'. 4. THE FRAME AND GRATE MUST BE INSTALLED WITH THE FLANGE DOWN. 5. THE PRECAST BASE SECTION MAY HAVE A ROUNDED FLOOR, AND THE WALLS MAY BE SLOPED AT A RATE OF 1:24 OR STEEPER. 6. THE OPENING SHALL BE MEASURED AT THE TOP OF THE PRECAST BASE SECTION. 7. ALL PICKUP HOLES SHALL BE GROUTED FULL AFTER THE BASIN HAS BEEN PLACED. 8. ALL GRADE RINGS AND CASTINGS SHALL BE SET IN MORTAR IN ACCORDANCE WITH STANDARD SPECIFICATION 9 -04.3. R- 365313 "AS- BUILT" NOTE: "AS- BUILT" IS BASED ON A ACTUAL FIELD SURVEY BY TOLIMA ENGINEERS AND INFORMATION SUPPLIED BY CONTRACTOR. RECOMMENDED FOR APPROVAL BY DATE BY DATE BY DATE BY DATE BY DATE A V26-k-3 to t `313 W 3 h j aM 2 _< W s AAA � Q R a $ a O y N 2 II 7� �V) W Q ~ W WQ W Q Cr CC vl Of J O0 M m y O �m 'aN ma G r zx w o O� z, U1 '�W O y N 2 II 7� �V) W Q ~ W WQ W Q Cr CC vl Of J O0 M m y O �m 'aN ma G r zx w o O� z, U1 '�W