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Retaining Wall Details
GENERAL NOTES i. Governing Code: 1994 Uniform Building Code 2. Allowable Soil Bearing Pressure: 1,000 PSF 3. Lateral Soil Pressure: 30 PCI' 4. Concrete Masonry Units: Normal Weight Hollow Load Bearing Type 1 Grade N 5. Mortar: Type "S", with minimum compressive strength at 28 days. = 2,000 PSI. 6. Concrete: Normal weight with V c = 2,500 PSI at 28 days. 7. Reinforcing Steel: Deformed bars at ASTM Ab15 - Gr. 40 fy = 40,000 PST, or Gr. 60 fy = 60,000 PSI. 8. Special inspection requirement is noted on schedules. 9. Specified compressive strength of masonry, V m, is noted on schedules. 10. Level backfill; no surcharge load. 11. Solid grout all cells of retaining walls and cells containing steel reinforcement of non -retaining walls. 12. Minimum lap splices or as shown on details: Masonry - 40 bar diam. Concrete - 30 bar diam. 13. Provide weep holes by boring 3"0 hole or by omitting mortar from vertical joints of 1st block above lowest ground level at 32" o.c. Provide pea gravel at all inlets of weep holes. 14. Wo wall or footing encroachments into public right of way or adjacent property. 15. All tract perimeter walls that are partially retaining shall have an approved water -proofing material coating on the fill side of the retaining portion of the wall. 16. Foundation investigation shall be required .for organic clay and peat soil. RE.Y.I APPROVED- I DATE CITY OF CYPRESS RETAINING WALLS DEPARTMENT OF BUILDING AF AND STY CASE I I nnwr QCnRnF:R NO -151955 rl LEVEL BACKFILL WITH NO SURCHARGE LOAD 8" CMU WALL BAR B BAR A V12 4 3"DIA. DRAIN PIPE/HOLE WITH I CU. FT. OF GRAVEL H COVER AT IO' 0. C. O 2" X 4" SHEAR KEY ap r211CL 2'-Q' 40 : FINISH GRADE i I \ If MIN. BAR C 3"CL. STD.HOOK B CONC. FOOTING R H B BAR A BAR B BAR C SHEAR PRIP IN InSPPECIT L N f'm I'-0"TO 2'-6" 2' *4 AT 32" 2 -•*4 2- 44 NO NO NO 1,500 3'-4" TO 4'-8" 3' *4 AT 32" 3- *4 3- #4 NO NO NO 1,500 5'-4" TO 6'-8" 4`-6" 44 AT 16" 4- *4 4- *4 YES YES YES 1,500 f77-4'T'OB'-o" 9!-d "5 AT 16" 5-4 6-4 YES YES YES 1,500 NOTE: REQUIRES 12" CMU WALL X 2'-0" HIGH AT BASE OF STEM. REV.I APPROVED I DATE _L_ CITY OF CYPRESS DEPARTMENT OF BUILDING AND SAFETY L RETAINING WALLS CASE I H 4 -*4 HORIZ. CONT. LEVEL BACKFILL WITH NO SURCHARGE LOAD, BAR A— H 2"CL. 1I �^ BAR C 3"C L J STD. HOOK—] f B CONC. FOOTING r bit CMU SCREEN WALL 44 AT 3f ' VERT. AT CL WALL 8" CMU WALL BAR B 3"DIA. DRAIN PIPE/HOLE WITH i CU. FT. of GRAVEL COVER AT 10` D.C. 2" X 4!' SHEAR KEY FINISH GRADE -12" MIN. H B BAR A BAR B BAR C SHEAR K Y DRAIN PIPE SPECIAL IN P 1 N f`m I`-0"TO 2`-B" 3' *4 AT 32" 2 -.*4 3- *4 NO NO NO 1,500 3`-4"TO 4-8" 4' 04 AT 16" 3- *4 4- #4 YES YES NO 1,500 5`-4" TO 6'-8" 1 AT 16" 1 4- *4 1 6- *4 YES YES YES 1,500 7`- 4"TO 8L0" 10` AT 16" 5-' 4 9-#4 YES YES YES E,500 NOTE: Q REQUIRES 12" CMU WALL x 2`-0" HIGH AT BASE OF STEM. REV. I APPROVED- DATE CITY OF CYPRESS DEPARTMENT OF BUILDING AND SAFETY RETAINING WALLS CASE I A LEVEL BACKFILL WITH NO SURCHARGE LOAD. 2 1/4 .H 2 I/4 ' o 2Af(0 vAp Dib P — 8"CMU WALL BAR B BAR A SHEAR LUG o :a 10' 3'CL �1 10', I B CONC. FOOTING 3'DIA. DRAIN PIPE/HOLE WITH I CU. FT. OF GRAVEL COVER AT IO' O.C. - 2''X 4" SHEAR KEY BAR A [—BAR C /—FINISH GRADE r H B BAR A BAR B BAR C SHEAR KEY SHEAR LUG DRAIN PIPE SPECIAL INSPECTION- N PECTIONI`-O" f I m I'- d'TO 2`-0" 2' #4 AT 32" 2-#4 2-44 NO NO NO NO 1,500 3!-4' TO 4-B" 2' #'4 -AT 32" '3-U4 2-#4 NO YES NO NO 1,500 5`-4" TO 6! W6 #4 AT 16" 4-441 3-#4 YES I YESYES YES 15 0 7=4" TO 8=0" 5' 45 AT 16" 5-#4 4-#4 YES YES YES YES 11,500] NOTE* © REQUIRES 12" CMU WALL X 2'-0" HIGH AT BASE OF STEM. APPROVED. I DATE I CITY OF CYPRESS DEPARTMENT OF BUILDING AND SAFETY nICTCRIPW cricr RFARIIFR mn 7sios!c RETAINING WALLS CASE II 4 --*4 HORIZ. CONT. LEVEL BACKFILL WITH NO SURCHARGE LOAD. jr 24" H t(D p bA I SHEAR LUG -6" CMU SCREEN WALL #4 AT 32" VERT AT CL WALL -B" CMU WALL BAR B . •; • BAR A _ - 3"DIA. DRAIN PIPE/HOLE WITH I CU. FT. OF GRAVEL COVER AT IO O.C_ 2" X 4" SHEAR KEY BAR A ~' BAR C FINISH GRADE d' MIN. id I O 3" C L. -�1 10" 1 B CONC. FOOTING R H B BAR A BAR B BAR C SHEAR KEY SHEAR LUG DRAIN PIPE SPECIAL IN PECTION f'm TO 2'-0" 3' 44 AT 32" 2-#4 3-44 NO NO NO NO 1,500 -4" TO 4-8" 4' 44 AT 16" 3- tt4 3-#4 NO YES YES NO 1,500 5=4'' TO 6= 8" 6' #5 AT 16" 4- 44 4 - 44 YES YES YES YES 1 500 7=4" TO d-0" B` #6 AT 16" 5-#4 6 - #4 YES YES YES YES 1,500 NOTE: 0 REQUIRES 12" CMU WALL X 2'-0" HIGH AT BASE OF STEM. 1 APPROVED- I DATE CITY OF CYPRESS DEPARTMENT OF BUILDING AND SAFETY n1FTFR1(:N POST REORDER W 151955 RETAINING WALLS CASE ]IA