CITY OF SCHERTZ TEXAS ENGINEERING AND PUBLIC WORKS

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1 TEXAS STANDARD CONSTRUCTION NOTES DRWN. BY: DSGN. BY: KJW 1 of 2

2 *Place geotextile fabric as a permeable seperator to prevent mixing of coarse aggregate and underlying soil. (as needed). 1. GEOTEXTILE FABRIC SHALL BE PLACE IN EXCAVATED TRENCH, BACKFILLED, AND COMPACTED TO EXISTING GROUND SURFACE. TRENCH MUST BE A MINIMUM 6" DEEP AND 6" WIDE. {WHERE FENCE CANNOT BE TRENCHED IN (E.G. PAVEMENT OR ROCK OUTCROP), WEIGHT FABRIC FLAP WITH 3" PEA GRAVEL ON UPHILL SIDE TO PREVENT FLOW FROM SEEPING UNDER FENCE.} 4. WOODEN STAKES MAXIMUM 6' APART, STEEL STAKES MAXIMUM 8' APART, BOTH IMBEDDED A MINIMUM 18' INTO GROUND. LENGTH STAKES AS REQUIRED FOR MINIMUM 18" BURY AND FULL HEIGHT FILTER FABRIC. 5. TRENCH TOE FENCE LINES SO DOWNWARD FACE TRENCHES IS FLAT AND PERPENDICULAR TO DIRECTION FLOW. 6. SECURELY FASTEN FILTER FABRIC MATERIAL TO WIRE FENCE WITH TIE WIRES AT SPACING 15" MINIMUM. 7. FILTER FABRIC SHALL HAVE A MINIMUM HEIGHT 18" AND A MAXIMUM 36" HEIGHT ABOVE NATURAL GROUND. 8. TRENCH IN TOE FILTER FABRIC SO THAT DOWNWARD FACE TRENCH IS FLAT AND PERPENDICULAR TO DIRECTION FLOW, 4" MINIMUM AGAINST TRENCH WALL AND 2" MINIMUM AGAINST TRENCH FLOOR. 9. CONNECT SUCCESSIVE REINFORCEMENT SHEETS/ROLLS A MINIMUM 4 TIMES WITH HOG RINGS. 10. REMOVE SEDIMENT DEPOSITS WHEN SILT REACHES ON-THIRD HEIGHT BARRIER OR 6", WHICHEVER IS LESS. 2' MINIMUM Maintain min. roadway widths of 30' feet. Temporary pipe culvert as needed or four times the circumference of the largest construction vehicle tire, whichever is greater TEMPORARY SEDIMENT CONTROL FENCE TECH. SPEC STABILIZED CONSTRUCTION EXIT TECH. SPEC ENTRANCE SHOULD BE MAINTAINED IN A CONDITION, WHICH WILL PREVENT TRACKING OR FLOWING SEDIMENT ONTO PUBLIC RIGHTS--WAY. THIS MAY REQUIRE TOP DRESSING WITH ADDITIONAL STONE AS CONDITIONS DEMAND AND REPAIR AND/OR CLEAN OUT ANY MEASURES USED TO TRAP SEDIMENT. 2. ALL SEDIMENT SPILLED, DROPPED, WASHED OR TRACKED ONTO PUBLIC RIGHTS--WAY SHOULD BE REMOVED IMMEDIATELY BY CONTRACTOR. 3. WHEN NECESSARY, WHEELS SHOULD BE CLEANED TO REMOVE SEDIMENT PRIOR TO ENTRANCE ONTO PUBLIC RIGHT--WAY. 4. WHEN WASHING IS REQUIRED, IT SHOULD BE DONE ON AN AREA STABILIZED WITH CRUSHED STONE THAT DRAINS INTO AN APPROVED SEDIMENT TRAP OR SEDIMENT BASIN. 5. ALL SEDIMENT SHOULD BE PREVENTED FROM ENTERING ANY STORM DRAIN, DITCH OR WATER COURSE BY USING APPROVED METHODS. 1. A TREE PRESERVATION/REMOVAL PERMIT APPLICATION MUST BE SUBMITTED AND APPROVED. 2. A LANDSCAPING PLAN SHALL BE SUBMITTED TO CITY FOR APPROVAL. 3. PROVIDE TIMBER WRAP PROTECTION FOR TREES WHEN WORK IS REQUIRED WITHIN CONSTRUCTION FENCING. 4. INSTALL VERTICAL 5 TO 6 FOOT LONG 2 BY 4's OR 2 BY 5's, SPACED 3 TO 5 INCHES APART, AROUND CIRCUMFERENCE TREE TRUNK. 5. FOR TREES OR SHRUBS IN PAVED AREAS, USE MOVABLE POSTS CONSISTING " MINIMUM DIAMETER CONCRETE FILLED STEEL PIPE MOUNTED IN RUBBER AUTOMOBILE TIRES WITH CONCRETE. TREE AND PLANT PROTECTION TECH. SPEC UDC ARTICLE 9 TEXAS STORM WATER POLLUTION CONTROL DRWN. BY: DSGN. BY: KJW 2 of 2

3 NOTE: 1. CURB SEDIMENT INLET PROTECTION TO BE INSTALLED AND MAINTAINED UNTIL ACCEPTED BY CITY. 2. INLETS SHOULD BE MAINTAINED IN A CONDITION, WHICH WILL PREVENT SEDIMENT, TRASH OR DEBRI FROM FLOWING INTO STORM DRAIN. THIS MAY REQUIRE ADDITIONAL SEDIMENT CONTROL MEASURES. 3. APPROVED CURB INLET MARKERS MUST BE INSTALLED AT ALL INLETS 4. ALL SEDIMENT SHOULD BE PREVENTED FROM ENTERING ANY STORM DRAIN, DITCH OR WATER COURSE BY USING APPROVED METHODS. UPPER UNIT INLET BOLTING DETAILS SHOWING CURB INLET TO EXTENSION LOWER UNIT UPPER UNIT LOWER UNIT INLET BOLTING DETAILS SHOWING EXTENSION TO EXTENSION SECTION A-A CURB INLET EXTENSION TYPE E TEXAS TYPE "CI" INLET WITH INLET EXTENSION BOXES PLATES NOTES DRAINAGE INLET SECTION DETAILS DRWN. BY: DSGN. BY:

4 CLASS "B" CONCRETE 1 1/4" BOLD LETTER, RASIED 1/8" LETTERS ARE 1/4" WIDE " " CITY (2) TYPE 4 STEEL PICK BARS "SANITARY SEWER" OR "STORM DRAIN" 8 1/2" MANHOLE SURFACE COATED WITH TROWEL MASTIC NO APSHALT ASBESTOS FIBER FLINTKOTE, OR EQUAL, AS APPROVED AND AS DIRECTED BY ENGINEER (1/8" THICKNESS, MIN.) SEWER SANITARY 17" 1" 1 1/4" COVER FACE COVER BACK 1 7/8" 1 1/2" 3 1" TRAFFIC DIRECTION 1 7/8" R. 2 3/8" R. 1" DIA. STEEL ROD 5/16" BUNA-O-RING GASKET ASTM C " O-RING SEAT (4) 5/8" DIA. x 1 STAINLESS STEEL BOLTS 24 1/2" DIA. BOLT CIRCLE 31 7/8 1 1/4" 1 1/2" 3 5/8" 6 1/2" 1/8" WATERTIGHT AND PICK BAR DETAIL COVER SECTION MACHINED BEARING SURFACE NOTE: MANHOLE RING ENCASEMENT IS REQUIRED ON ALL MANHOLES. PAYMENT FOR MANHOLE RING ENCASEMENT SHALL BE INCLUDED IN COST MANHOLE (4) 5/8" DIA. BOLT HOLES (DRILLED AND TAPPED) 2 9/16" 33 1/4" DIA 32 3/16" DIA 1 1/2" MANHOLE RING ENCASEMENT DETAIL CONTINUOUS O-RING GROOVE 30" DIA 33 15/16" DIA 40 DIA FRAME TOP VIEW FRAME SECTION MANHOLE RING AND COVER DETAIL TEXAS DRAINAGE INLET SECTION DETAILS DRWN. BY: DSGN. BY:

5 Rear Rear LOT GRADING TYPE A Drainage Directed Toward Front of Building LOT GRADING TYPE B Drainage Directed Toward Front and Rear of Building LOT GRADING TYPE C Drainage Directed Toward Rear of Building Note: 1. Engineer shall identify subdivision lot numbers associated with each Lot Grading Type. 2. All graded lot surfaces and swales shall have minimum 0.5% slope. 3. Rough grading of lots shall match ultimate lot grading type: A,B, or C, at the time of Public Infrastructure acceptance. SEAL TEXAS STANDARD RESIDENTIAL LOT GRADING I N COR P ORA T E D DRAWN BY: CHECKED BY: DESIGNED BY: KJW 1 NOTES: 1. ALL CHANNELS AND DETENTION BASINS WITH A BOTTOM WIDTH TWELVE (8') FEET OR GREATER MUST HAVE A TRICKLE CHANNEL WITH A MINIMUM WIDTH 5 FEET. 2. CLASS "A" CONCRETE TO BE USED. 3. JOINTS: (SPEC 02752) a. PROVIDE TOOLED OR SAWCUT CONTRACTION JOINTS AT A MAXIMUM 20 FEET. b. PLACE EXPANSION JOINTS WITH A 1 2" EXPANSION MATERIAL IN CONCRETE LOW-FLOW AND TRAPEZOIDAL BOTTOM SECTIONS AT 40 FEET (O.C.) MAXIMUM SPACING CONTINUOUSLY THROUGH CHANNEL LINING. 4. CONTRACTOR SHALL BACKFILL ADJACENT TO CONCRETE EDGES TO A MINIMUM 90% STANDARD PROCTOR (ASTM D-698) IN 6" LIFTS. *CULVERTS MAX (6:1) SLOPE SLOPE TO NATURL 4:1 MAXIMUM SLOPE PROVIDE 4" TOPSOIL AND REVEGATATE WITH GRASS SOD OR HYDRAULIC SEEDING STABILIZED WITH EROSION CONTROL MATTING. BOTTOM EARN CHANNEL (3:1) SLOPE 6" X 6" - W2.9 x W2.9 WELDED WIRE FLAT SHEETS OR #3 18" O.C.E.W. CONCRETE TRICKLE CHANNEL TEXAS SEAL TEXAS STANDARD RESIDENTIAL LOT GRADING DRAINAGE DETAILS I N COR P ORA T E D DRAWN BY: CHECKED BY: DESIGNED BY: KJW 1 DRWN. BY: DSGN. BY: LBJ