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22-102679-Drainage Plan Set-6-1-22 CHA RESIDENCE CHA RESIDENCEJASON AND CINDY CHA JASON AND CINDY CHA REVISIONSNO.JOB NO.DRAWING NO.5515 STEILACOOM BLVD. S.W.LAKEWOOD, WA 98499(253)460-1817 * FAX:(253)588-7340JOSHUA KALEBU, P.E.Email: jkalebu@yahoo.comDESIGNED: DRAWN BY: CHECKED BY: APPROVED BY: SCALE: DATE: J. KALEBU P.E. KSK J.KALEBU 1:10 Permit Number:Parcel Number:Applicant Name:Sheet ________ of ___________2 5 05/15/2022 Site Address: Engineering Scale: 1" =107205310080JASON AND CINDY CHA SITE DEVELOPMENT CONSTRUCTION PLANS CHA RESIDENCE CONSTRUCION EROSION AND SEDIMENTATION CONTROL PLAN RECOMMENDED CONSTRUCTION SEQUENCE 1. Hold the pre-construction meeting, if required 2. Post sign with name and phone number of TESC supervisor (may be consolidated with the required notice of construction sign). 3. Flag or fence clearing limits. 4. Install catch basin protection, if required. 5. Grade and install construction entrance(s) 6. Install perimeter protection (silt fence, brush barrier, etc.). 7. Construct sediment pond and traps, if required. 8. Grade and stabilize construction roads. 9. Construct surface water controls (interceptor dikes, pipe slope drains, etc.) simultaneously with clearing and grading for project development. 10. Mainatain erosion control measures in accordance with CITY OF FEDERAL WAY standards and manufacture's recommendations. 11. Relocate erosion control measure, or install new measures so that as site conditions change, the erosion and sediment control is always in accordance with the CITY OF FEDERAL WAY Erosion and Sedimentation Control Standards. 12. Cover all areas that will be unworked for more than seven days during the dry season or two days during the wet season with straw, wood fiber mulch, compost, plastic sheeting, or equivalent. 13. Stabilize all areas within seven days of reaching final grade. 14. Seed, sod, stabilize, or cover any areas to remain unworked for more than 30 days. 15. Upon completion of the projct, stabilize all disturbed areas and remove BMP's if apprpriate. TIRES, SANDBAGS, OR EQUIVALENT MAY BE USED TO WEIGHT PLASTIC SEAMS BETWEEN SHEETS MUST OVERLAP A MINIMUM OF 12" AND BE WEIGHTED OR TAPED TOE IN SHEETING IN MINIMUM 4"X4" TRENCH PROVIDE ENERGY DISSIPATION AT TOE WHEN NEEDED 10' MAX. 10' MAX. N.T.S FILTER FABRIC FENCE DETAIL PLASTIC COVERING DETAIL REVISIONSNO.JOB NO.DRAWING NO.5515 STEILACOOM BLVD. S.W.LAKEWOOD, WA 98499(253)460-1817 * FAX:(253)588-7340JOSHUA KALEBU, P.E.Email: jkalebu@yahoo.comDESIGNED: DRAWN BY: CHECKED BY: APPROVED BY: SCALE: DATE: J. KALEBU P.E. J. NAKKAZI J.KALEBU 1:10 05/15/2022 2"X2" BY 14 Ga. WIRE OR EQUIVALENT, IF STANDARD STRENGTH FABRIC USED NOTE: FILTER FABRIC FENCES SHALL BE INSTALLED ALONG CONTOURS WHENEVER POSSIBLE JOINTS IN FILTER FABRIC SHALL BE SPLICED AT POSTS. USE STAPLES, WIRE RINGS OR EQUIVALENT TO ATTACH FABRIC TO POSTS. FILTER FABRIC BACKFILL TRENCH WITH NATIVE SOIL OR 3/4" TO 1-1/2" WASHED GRAVEL MINIMUM 4"x4" TRENCH 2"x4" WOOD POSTS, STEEL FENCE POSTS, REBAR, OR EQUIVALENT POST SPACING MAY BE INCREASED TO 8' IF WIRE BACKING IS USED 6' MAX.2' MIN.12" MIN.CONSTRUCTION ENTRANCE DETAIL3010' - 0"1' - 0"MIN.3" MIN.4" MAX.LENG T H V A RI E S DISTURBED AREA FLOWCHA RESIDENCE Permit Number:Parcel Number:Applicant Name:Sheet ________ of ___________3 5Site Address: Engineering Scale: 1" =107205310080JASON AND CINDY CHA REVISIONSNO.JOB NO.DRAWING NO.5515 STEILACOOM BLVD. S.W.LAKEWOOD, WA 98499(253)460-1817 * FAX:(253)588-7340JOSHUA KALEBU, P.E.Email: jkalebu@yahoo.comDESIGNED: DRAWN BY: CHECKED BY: APPROVED BY: SCALE: DATE: J. KALEBU P.E. KSK J.KALEBU 1:10 Permit Number:Parcel Number:Applicant Name:Sheet ________ of ___________4 5 01/15/2022 Site Address: Engineering Scale: 1" =10 “” “” CHA RESIDENCE 7205310080 JASON AND CINDY CHA REVISIONSNO.JOB NO.DRAWING NO.5515 STEILACOOM BLVD. S.W.LAKEWOOD, WA 98499(253)460-1817 * FAX:(253)588-7340JOSHUA KALEBU, P.E.Email: jkalebu@yahoo.comDESIGNED: DRAWN BY: CHECKED BY: APPROVED BY: SCALE: DATE: J. KALEBU P.E. KSK J.KALEBU 1:10 Permit Number:Parcel Number:Applicant Name:Sheet ________ of ___________5 5 01/15/2022 Site Address: Engineering Scale: 1" =10 CHA RESIDENCE 7205310080 JASON AND CINDY CHA 6" 24" 12" 36" WASHED ROCK 1 1 2"- 3 4" LEVEL INFILTRATION TRENCH SECTION A NTS PLAN VIEW NTS SECTION VIEW NTS 54.0 FT A A 6" 6" 4" RIGID OR 6" FLEXIBLE PERFORATED PIPE CB SUMP w/SOLID LIDROOF DRAIN 4" RIGID OR 6" FLEXIBLE PERFORATED PIPE OVERFLOW SPLASH BLOCK ROOF DRAIN CB SUMP w/SOLID LID 12" FINE MESH SCREEN SETBACK FROM BUILDING 5' MIN. 1' MIN. 1' MIN. FILTER FABRIC COMPACTED BACKFILL 4" RIGID OR 6" FLEXIBLE PERFORATED PIPE 11 2" - 3 4" WASHED ROCK MIN. 1' ABOVE SEASONAL HIGH GROUNDWATER TABLE, SEE SECTION C.2.2.2 TRENCH SETBACK FROM BUILDING AS REQUIRED, 15' MIN. 1.USE BLOCK AND GRAVEL TYPE SEDIMENT BARRIER WHEN CURB INLET IS LOCATED IN GENTLY SLOPING SEGMENT, WHERE WATER CAN POND AND ALLOW SEDIMENT TO SEPARATE FROM RUNOFF. 2.BARRIER SHALL ALLOW FOR OVERFLOW FROM SEVERE STORM EVENT. 3.INSPECT BARRIERS AND REMOVE SEDIMENT AFTER EACH STORM EVENT. SEDIMENT AND GRAVEL MUST BE REMOVED FROM THE TRAVELED WAY IMMEDIATELY. 2x4 WOOD STUD OVERFLOW WATER A A PLAN VIEW NTS SECTION A-A NTS BLOCK AND GRAVEL CURB INLET PROTECTION NTS CATCH BASIN COVER CURB INLET CONCRETE BLOCKS CATCH BASIN COVER CURB INLET CATCH BASIN BACK OF SIDEWALK CURB FACE 3/4" DRAIN GRAVEL (20 mm) WIRE SCREEN OR FILTER FABRIC POND HEIGHT WIRE SCREEN OR FILTER FABRIC 2x4 WOOD STUD (100x50 TIMBER STUD) 3/4" DRAIN GRAVEL (20 mm) NOTES: PLASTIC COVERING DETAIL N.T.S 10' MAX. 3' MIN INFILTRATION TRENCH DETAILS ROOF DRAIN