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HomeMy WebLinkAboutR-373408A 0 H cc J Z C O Z W cr L11 EXISTING 18' OUTLET TO BIOSWALE INVERT = 17.5 NEW 18" TEE STRUCTURE INSTALL PER DETAIL 2 ON THIS SHEET PIPE 4, DISCHARGE TO STRUCTURE 3, E STORMFILTER CARTRIDGE TREATMENT SYSTEM F 111 It J K L in \ \ EXISTING 12" INLET INVERT = 17.7 i NOTE: 1. CONTRACTOR TO CONFIRM SIZE, INVERT AND LOCATION OF INLET AND OUTLET PIPES. 2. MAINTAIN A MINIMUM 24" CLEARANCE BETWEEN EXISTING STEPS/LADDER AND NEW TEE STRUCTURE. EXISTING 18" INLET INVERT = 17.3 INLET INVERT = 17.2 EXISTING CB WITH TEE NON — SHRINK GROUT GALV STEEL STRAPS W /ANCHOR BOLTS COUPLING WITH WATER TIGHT SEAL. PVC TEE (SCH. 40) CATCH BASIN (SAME 6 AS OUTLET PIPE). 1/2 PIPE 0 CONTROL PIPE 4, DISCHARGE TO STRUCTURE 3, STORMALTER CARTRIDGE TREATMENT TRASH RACK caz --PIPE END INVERT 20.35' /-RIP RAP aez / i 1% SEED BIOSWALE PER THE FOLLOWING SEED MIXTURE: GRASS SEED MIX 1 SUITABLE FOR BIOFILTRATION SWALE TREATMENT AREAS (TABLE 6.3.1.0 OF THE 2009 KCSWDM) 75 -80% TALL OR MEADOW FESCUE 10 -15% SEASIDE CREEPING BENTGRASS OR COLONIAL BENTGRASS 5 -10% RED TOP (NOTE ALL PERCENTAGES ARE BY WEIGHT) PLAN VIEW L- B 1' CHECK DAM, SEE NOTES BELOW. VIEW A —A aas TRASH RACK 1' CHECK DAM, PIPE END INVERT 21.50' SEE NOTES BELOW. a RIP RAP 1% aex 20'; CHECK DAM NOTES 1. CHECK DAMS SHALL BE 1' HIGH WITH 2:1 SIDE SLOPES AND 1' KEYED BELOW SWALE BOTTOM. 2. CHECK DAMS SHALL BE CONSTRUCTED OF RIP RAP IN ACCORDANCE WITH SECTION 9 -13.1 OF THE WSDOT STANDARD SPECIFICATIONS AND SHALL BE RESONALLY WELL GRADED AS FOLLOWS: 100% PASSING 8" SIEVE 40 -60% PASSING 6" SIEVE 0 -10% PASSING 2" SIEVE FAIM H:1 "= 5'V:1 " =10' FOUNDATION SUBSURFACE PREP NOTES I NW 1/4 OF S 19, T 23, R 5 E UNLESS SPECIFICALLY INDICATED OTHERWISE IN THE DRAWINGS AND /OR SPECIFICATIONS, THE UMITS OF THIS SUBSURFACE PREPARATION ARE CONSIDERED TO BE THAT PORTION OF THE SITE DIRECTLY BENEATH AND 5 FEET BEYOND THE BUILDING AND APPURTENANCES. APPURTENANCES ARE THOSE ITEMS ATTACHED TO THE BUILDING PROPER (REFER TO DRAWING SHEET SP1) TYPICALLY INCLUDING, BUT NOT LIMITED TO, THE BUILDING SIDEWALKS, GARDEN CENTER, PORCHES, RAMPS, STOOPS, TRUCK WELLS /DOCKS, CONCRETE APRONS AT THE AUTOMOTIVE CENTER, COMPACTOR PAD, ETC. THE BASE AND THE VAPOR BARRIER, WHERE REQUIRED, DO NOT EXTEND BEYOND THE LIMITS OF THE ACTUAL BUILDING AND THE APPURTENANCES. BUILDING EXPANSION ESTABLISH THE FINAL SUBGRADE ELEVATION TO ALLOW FOR THE CONCRETE SLAB AND BASE. REFERENCE ARCHITECTURAL AND STRUCTURAL DRAWINGS FOR REQUIRED SLAB THICKNESS. THE MINIMUM 6 —INCH THICK 'BUILDING SLAB BASE MATERIAL" SHALL CONFORM SPECIFICATION SECTION 02300. IF THE 1UILDING SLAB BASE MATERIAL" BECOMES SEGREGATED DURING SPREADING, THE AFFECTED AREAS OF GRAVEL SHALL BE KEYED WITH 'CHOKER MATERIAL' CONFORMING TO THE GRADATION AND THICKNESS REQUIREMENTS PRESENTED IN SPECIFICATION SECTION 02300. INSTALL A 10 —MIL THICK VAPOR RETARDER, MEETING ASTM E1745, CLASS A REQUIREMENTS, PLACED ABOVE THE BASE AND DIRECTLY BELOW THE SLAB. THE CONTRACTOR SHALL BE RESPONSIBLE FOR OBTAINING ACCURATE MEASUREMENTS FOR ALL CUT AND FILL DEPTHS REQUIRED. ANY PROPOSED EQUIVALENT ALTERNATIVE BASE MATERIAL MUST BE SUBMITTED FOR APPROVAL WITHIN 30 DAYS AFTER AWARD OF CONTRACT. ANY EQUIVALENT ALTERNATIVE SHALL ONLY BE USED IF APPROVED IN WRITING BY THE CEC AND AOR. EXISTING FOUNDATIONS, SLABS, PAVEMENTS, AND BELOW GRADE STRUCTURES SHALL BE REMOVED FROM THE BUILDING AREA. UNDERGROUND UTILITIES WITHIN THE PROPOSED BUILDING PAD SHALL BE COMPLETELY REMOVED AND THE RESULTING EXCAVA11ONS BACKFILLED PITH SATISFACTORY MATERIALS' PER SPECIFICATION SECTION 02300. REMOVE SURFACE VEGETATION, TOPSOIL, ROOT SYSTEMS, ORGANIC MATERIAL, EXISTING FILL, AND SOFT OR OTHERWISE 'UNSATISFACTORY MATERIAL' FROM THE BUILDING AREA. PROOFROLL EXPOSED SUBGRADE IN THE PRESENCE OF THE OWNER'S CTL. WHERE PROOFROWNG CANNOT BE SUCCESSFULLY COMPLETED DUE TO ACCESS UMITATIONS, EFFORTS TO DETECT 'UNSATISFACTORY MATERIALS" SHALL BE ATTEMPTED IN ACCORDANCE WITH SPECIFICATION SECTION 02300. REMOVE AND REPLACE UNSATISFACTORY MATERIALS" PITH SATISFACTORY MATERIALS" PER SPECIFICATION SECTION 02300 AND /OR STABILIZATION MATERIALS PER SECTION 02340. SATISFACTORY MATERIAL SHALL BE PLACED PER SPECIFICATION SECTION 02300. THE FOUNDATION SYSTEM SHALL BE AUGERCAST PILES AND GRADE BEAMS EXISTING BUILDING REMOVE THE EXISTING SLAB AS SHOWN ON THE PLANS. TRENCHES SHALL BE EXCAVATED IN ACCORDANCE WITH SPECIFICATION SECTION 02300 AND BE BACKALLED WITH SATISFACTORY MATERIALS" PER SPECIFICATION SECTION 2300. WHERE EXCAVATIONS PENETRATE EXISTING FLOOR SLABS, THE CAPILLARY BREAK AND BASE MATERIAL (IF PRESENT) THE TRENCH SIDEWALLS SHALL BE RETAINED SO AS TO NOT UNDERMINE THE SURROUNDING SLAB. PRESERVE AND PROTECT THE EXISTING SLAB THAT REMAINS, AS WELL AS OTHER STRUCTURAL ELEMENTS, FROM DAMAGE DURING CONSTRUCTION. WHERE EXISTING BUILDING SLAB BASE MATERIAL IS REMOVED IN TRENCH AREAS AND OTHER AREAS WHERE THE SLAB IS REMOVED, ESTABLISH THE FINAL SUBGRADE ELEVATION TO ALLOW FOR THE CONCRETE SLAB AND BUILDING SLAB BASE MATERIAL. INSTALL A 10 -MIL THICK VAPOR RETARDER, MEETING ASTM E1745, CLASS A REQUIREMENTS, PLACED AT THE SAME ELEVATION AS THE EXISTING VAPOR BARRIER, IF ONE IS PRESENT. THE EXISTING VAPOR BARRIER SHALL BE PRESERVED AND THE REPLACEMENT BARRIER OVERLAPPED WITH THE EXISTING BARRIER TO PROVIDE A CONTINUOUS VAPOR BARRIER. REFERENCE ARCHITECTURAL AND STRUCTURAL DRAWINGS FOR REQUIRED SLAB THICKNESS. IN UNDISTURBED SLAB BASE AREAS, THE CONTRACTOR SHALL COMPACT THE EXISTING BUILDING SLAB BASE MATERIAL IN THE PRESENCE OF THE OWNER'S CTL IN ORDER FOR THE CTL TO OBSERVE THE STABILITY OF THE SUBGRADE AND BUILDING SLAB BASE MATERIAL, THE CTL SHALL THEN DENSITY TEST THE BUILDING SLAB BASE MATERIAL TO CONFIRM THAT IT MEETS THE COMPACTION SPECIFICATIONS IN SECTION 02300. NEW 'BUILDING SLAB BASE MATERIAL" SHALL BE A MINIMUM OF 6 INCHES THICK AND SHALL CONFORM TO THE PRODUCT REQUIREMENTS PRESENTED IN SPECIFICATION SECTION 02300. IF THE 'BUILDING SLAB BASE MATERIAL' BECOMES SEGREGATED DURING SPREADING, THE AFFECTED AREAS OF GRAVEL SHALL BE KEYED PITH 'CHOKER MATERIAL" CONFORMING TO THE GRADATION AND THICKNESS REQUIREMENTS PRESENTED IN SPECIFICATION SECTION 02300. THE CONTRACTOR SHALL BE RESPONSIBLE FOR OBTAINING ACCURATE MEASUREMENTS FOR ALL CUT AND FILL DEPTHS REQUIRED. ANY PROPOSED EQUIVALENT ALTERNATIVE 'BUILDING SLAB BASE MATERIAL" MUST BE SUBMITTED FOR APPROVAL WITHIN 30 DAYS AFTER AWARD OF CONTRACT. ANY EQUIVALENT ALTERNATIVE SHALL ONLY BE USED IF APPROVED IN WRITING BY THE CEC AND AOR. EXCAVATIONS SHALL NOT ENCROACH UPON THE BEARING SOIL OF EXISTING FOUNDATIONS. THE BEARING SOIL IS DEFINED AS THE PRISM OF SOIL BENEATH A LINE THAT EXTENDS DOWN AND AWAY FROM THE BOTTOM EDGES OF A FOOTING AT 1'% HORIZONTAL TO i VERTICAL WHEN ENCROACHMENT CANNOT BE AVOIDED, THE CONTRACTOR SHALL NOTIFY THE CONSTRUCTION MANAGER AND SHALL NOT PROCEED UNTIL FURTHER INSTRUCTION FROM THE CONSTRUCTION MANAGER. SATISFACTORY MATERIAL SHALL BE PLACED PER SPECIFICATION SECTION 02300. PROOFROLL EXPOSED SUBGRADE IN THE PRESENCE OF THE OWNER'S CTL WHERE PROOFROWNG CANNOT BE SUCCESSFULLY COMPLETED DUE TO ACCESS LIMITATIONS, EFFORTS TO DETECT UNSATISFACTORY MATERIALS' SHALL BE ATTEMPTED IN ACCORDANCE WITH SPECIFICATION SECTION 02300. THIS FOUNDATION SUBSURFACE PREPARATION DOES NOT CONSTITUTE A COMPLETE SITE WORK SPECIFICATION. IN CASE OF CONFLICT, INFORMATION COVERED IN THIS PREPARATION SHALL TAKE PRECEDENCE OVER THE WAL -MART SPECIFICATIONS. REFER TO THE SPECIFICATIONS FOR SPECIFIC INFORMATION NOT COVERED IN THIS PREPARATION. THIS INFORMATION WAS TAKEN FROM A GEOTECHNICAL REPORT PREPARED BY ZIPPER GEO ASSOCIATES, LLC, DATED 10/8/12. ( GEOTECHNICAL REPORT IS FOR INFORMATION ONLY AND IS NOT A CONSTRUCTION SPECIFICATION). to =1 R- 313408 PIPE 7, FROM STRUCTURE 7 CHAINUNK FENCE Fen CHAINUNK FENCE o-au GUIDE RAIL @ WAL —MART PARKING 1L 2 30 MIL IMPERMEABLE UNER y INSTALL FILTER FABRIC PER WSDOT� 6" MIN. AMENDED SOIL STD. SPEC 9- 33.2(1), 2" COMPOST TILLED INTO TABLE 2 8' MIN. 6" NATIVE SOIL 110 LF 6" DIA. PERFORATED 5/8" MINUS CLEAN DRAIN PIPE, 1% SLOPE ROCK. VIEW B —B MIN 6" COVER OVER PIPE I MI � LY 16 N 1505 Westlake Ave. N. T (206) 522-9510 8 54875 o �IST81 Suite 305 F (206) 522 -8344 ONAL �� Seattle, WA 98109 WWW.PAdMMON CITY OF RENTON Approved by. Dote Approved by. Date Approved by. Date Approved by. Date r a wo V AS NOTED �.wlam° wH martw DATUM N O � y m > O c � o ' x a' o m SBB z (� z o Sm. MEB RECORD DRAVANG PACLAND 5_/9/14 orcaatt JAC F~ NO. REVISION BY DATE APPR .InC SPECIAL INSPECTIONS AND TESTING FOR SITE EXCAVATION AND GRADING SPECIAL INSPECTIONS FOR BUILDING PAD PREPARATION AS REQUIRED BY SECTION 1704 OF THE INTERNATIONAL BUILDING CODE AS AMENDED BY THE STATE OF WASHINGTON AND THE CITY OF RENTON. 1. VERIFY MATERIALS BELOW SHALLOW FOUNDATIONS ARE ADEQUATE TO ACHIEVE THE DESIGN BEARING CAPACITY 2. VERIFY EXCAVATIONS ARE EXTENDED TO PROPER DEPTH AND HAVE REACHED PROPER MATERIAL 3. PERFORM CLASSIFICATION AND TESTING OF COMPACTED FILL MATERIALS. 4. VERIFY USE OF PROPER MATERIALS, DENSITIES AND LIFT THICKNESSES DURING PLACEMENT AND COMPACTION OF COMPACTED FILL. 5. PRIOR TO PLACEMENT OF COMPACTED FILL, OBSERVE SUBGRADE AND VERIFY THAT SITE HAS BEEN PREPARED PROPERLY. VERIFICATION, OBSERVATION AND TESTING ACTIVITIES SHALL BE PER THE PRO ECT SPECIFICATIONS. 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 INFORMATION PROVIDED BY CRABTREE SURVEYING. 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 AND SURVEYOR PROVIDED RECORD INFORMATION. 3 AMCITY OF 11i�li�� RENTON STORRE#25516-05EXPANSION GpMDM AD DpAMGE SECTIOM Planning /Building /Public Works Dept. AND DETALS AS BUILT 4 C -2.1 ' 21 `4 >y r a wo V N O � y m > O c � o ' x a' z (� z