STANDARD CONSTRUCTION DETAILS PAVING REVISED - SEPTEMBER 2019

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1 STANDARD CONSTRUCTION DETAILS REVISED - SEPTEMBER 2019

2 TABLE OF CONTE GENERAL NOTES REINFORCED CONCRETE PAVEMENT PARABOLIC PAVEMENT CROWN M4D PAVEMENT M4D, M6D PAVEMENT CURB AND GUTTER ASPHALT CROSS SECTION GENERAL NOTES FOR ALLEYS AND DRIVEWAYS ALLEY SECTIONS ALLEY TURN 75 OR GREATER ALLEY TURN ALLEY INTERSECTING ALLEY ALLEY TURN ALLEY RETURN DETAILS EXISTING ALLEY RETURN MODIFICATIONS (CONCRETE) EXISTING ALLEY RETURN MODIFICATIONS (ASPHALT) ALLEY ENTRANCE ONTO EXISTING STREET MEDIAN DETAILS MEDIAN STONE DETAIL MEDIAN MAINTENANCE ACCESS (MEDIAN CURB LAY-DOWN) STREET HEADER PAVEMENT REPAIR HEADER RAIL HEADER JOINT DETAILS CONCRETE BUTT JOINT TRANSVERSE EXPANSION JOINT SPACING DIAGRAM FOR TRANSVERSE JOI INTERSECTION CONDUIT LAYOUT TYPICAL CONTOURS FOR MAJOR-MAJOR INTERSECTION CONCRETE SIDEWALK CONCRETE SIDEWALK (CONTINUED) SIDEWALK BRICK PAVERS CURB AND LEAD WALK REPAIR BARRIER FREE RAMPS TYPE "A" & "B" BARRIER FREE RAMPS TYPE "C" & "D" BARRIER FREE RAMPS TYPE "E" BARRIER FREE RAMPS TYPE "F" BARRIER FREE RAMPS TYPE "G" BARRIER FREE GENERAL NOTE & DETECTABLE SURFACE BARRIER FREE RAMPS, DRIVEWAYS & ALLEYS DRIVEWAY RETURN DETAILS, STREET (RESIDENTIAL & COMMERCIAL) SIDEWALKS AND DRIVEWAYS DRIVEWAY RETURN FOR ALLEY STREET CONNECTION SIDEWALK FLUME DETAIL ALTERNATE STREET R.O.W. SECTION FOR MOUNTABLE CURB MAILBOX DETAIL SD-PO1 SD-P02 SD-P03 SD-P04 SD-P05 SD-P06 SD-P07 SD-P08 SD-P09 SD-P10 SD-P11 SD-P12 SD-P13 SD-P14 SD-P15 SD-P16 SD-P17 SD-P18 SD-P19 SD-P20 SD-P21 SD-P22 SD-P23 SD-P24 SD-P25 SD-P26 SD-P27 SD-P28 SD-P29 SD-P30 SD-P31 SD-P32 SD-P33 SD-P34 SD-P35 SD-P36 SD-P37 SD-P38 SD-P39 SD-P40 SD-P41 SD-P42 SD-P43 SD-P44 SD-P45 SD-P46 SD-P47

3 DEPARTMENT OF ENGINEERING GENERAL NOTES MAY 1991 REV SEPT 2019 SD-P01

4 50' ROW 10' 30' 10' 8' 14' 8' 1 CURB HEIGHT CROWN HEIGHT VARIES SEE SPECIAL NOTES ONE MOVING LANE / TWO PARKING LANES (RESIDENTIAL) R2U P R.O.W. W A B B A P 1 2* 1 3" CURB HEIGHT CROWN HEIGHT 7" 1'- 1'- VARIES SEE SPECIAL NOTES * FULL WIDTH PAVEMENT OF 36' WIDTH STREETS IS ALLOWED WHERE APPROVED BY THE CITY OF ALLEN. STREET TYPE STREET WIDTH (W) A B R.O.W. WIDTH P C2U 36' * 8' 10' 60' 12' COLLECTOR 44' 10' 12' 70' 13' COLLECTOR 48' 12' 12' 70' 11' FOUR MOVING LANES OR TWO MOVING LANES / TWO PARKING LANES REINFORCED CONCRETE PAVEMENT MAY 1991 REV MAY 2017 SD-P02

5 FULL CROWN 3/4 POINT MID POINT 1/4 POINT SLIP-FORM PAVEMENT MUST MEET CROWN GRADES AT GUTTERS, AT MID-POI AND CENTERLINE. WIDTHS OF PAVEMENT ARE FACE TO FACE. ROADWAY WIDTH (W) TOTAL CROWN HEIGHT 3/4 POINT MID-POINT 1/4 POINT 30' 3-3/8" 1-1/2" 3/8" 36' 7" 3-7/8" 1-3/4" 3/8" 44' 7" 3-7/8" 1-3/4" 1/2" 48' 7" 3-7/8" 1-3/4" 1/2" 60' 7" 3-7/8" 1-3/4" 1/2" 2-34' 5" 3-3/8" 1-1/2" 3/8" TABLE OF CROWN HEIGHTS AND ORDINATES FOR VARIOUS PARABOLIC SECTIONS PARABOLIC PAVEMENT CROWN MAY 1991 REV AUG SD-P03

6 ROW = 90' ' USUAL 12' 1 24' 12' 8.5' 8.5' 1/2"/FT. 12' 24' 12' ' USUAL 3 1 SEE GENERAL NOTES (SD-P01) SECTION "G" FOR BAR SIZE AND SPACING. M4D PAVEMENT REGULAR SECTION 1 SAWED LONGITUDINAL DUMMY JOINT 2 CONSTRUCTION JOINT (FULL WIDTH PAVEMENT IS ALLOWED WHERE APPROVED BY THE CITY OF ALLEN). DELETE IF IS 25 FT. WIDTH TO BE WIDENED LATER. INSTALL CURB IF IS LESS THAN FULL WIDTH OF 33'-36'. 3 A NUMBER 3 BAR CONTINUOUS SHALL BE PROVIDED FOR CURB REINFORCEMENT ' USUAL ROW = 90' 24' 6' 35 12' 12' 11' 12' 12.5' 2.5' ' USUAL 3 1 SEE GENERAL NOTES (SD-P01) SECTION "G" FOR BAR SIZE AND SPACING. SLOPE TOWARD MEDIAN MAY BE REQUIRED IF LEFT TURN CURB IS HIGHER THAN OPPOSITE MEDIAN CURB. MINIMUM TOP SOIL AND GRASS, GROUND COVER (TYP.) ALL SLOPES, MEDIAN AND PARKWAYS PER NCTCOG SPECIFICATION LATEST EDITION. M4D PAVEMENT LEFT TURN SECTION MD4 PAVEMENT MAY 1991 REV FEB 2017 SD-P04

7 3:1 3:1 3:1 3:1 R.O.W 3:1 12.5' OR 15.5' 12.5' OR 15.5' 24' OR 36' 17' 24' OR 36' 10' OR 11' 3:1 3:1 SEE GENERAL NOTES (SD-P01) SECTION "G" FOR BAR SIZE AND SPACING. TYPE M4D,M6D PAVEMENT RIGHT TURN OR DECELERATION LANE SECTION CONSTRUCT KEYWAY OR LONGITUDINAL BUTT JOINT IF NOT POURED MONOLITHIC. 3:1 15.5' 120' 36' 17' 36' 15.5' 12' 12' 12' 8.5' 8.5' 12' 12' 12' SEE GENERAL NOTES (SD-P01) SECTION "G" FOR BAR SIZE AND SPACING. TYPE M6D PAVEMENT REGULAR SECTION 1 SAWED LONGITUDINAL DUMMY JOINT. 2 CONSTRUCTION JOINT (FULL WIDTH PAVEMENT IS ALLOWED WHERE APPROVED BY THE CITY OF ALLEN). DELETE IF IS 25 FT. WIDTH TO BE WIDENED LATER. INSTALL CURB IF IS LESS THAN FULL WIDTH OF 33'-36'. 3:1 15.5' 3 A NUMBER 3 BAR CONTINUOUS SHALL BE PROVIDED FOR CURB REINFORCEMENT. 120' 36' 6' 11' 36' 15.5' 12' 12' 12' 2.5' 8' 12' 12' 12' SEE GENERAL NOTES (SD-P01) SECTION "G" FOR BAR SIZE AND SPACING. TYPE M6D PAVEMENT 120' R.O.W. SLOPE TOWARD MEDIAN MAY BE REQUIRED IF LEFT TURN CURB IS HIGHER THAN OPPOSITE MEDIAN CURB. 3:1 140' 9' 47' 6' 11' 58' 9' 11' 12' 12' 12' 8' 3' 11' 12' 12' 12' 11' SEE GENERAL NOTES (SD-P01) SECTION "G" FOR BAR SIZE AND SPACING. TYPE M6D PAVEMENT 140' R.O.W. SLOPE TOWARD MEDIAN MAY BE REQUIRED IF LEFT TURN CURB IS HIGHER THAN OPPOSITE MEDIAN CURB. MD4, MD6 PAVEMENT MAY 1991 REV FEB 2017 SD-P05

8 SEPARATE CURB-AND-GUTTER (ASPHALT) SEPARATE CURB-AND-GUTTER (CONCRETE) CURB-AND-GUTTER MAY 1991 REV MAY 2017 SD-P06

9 2" H.M.A.C. (TYPE D) SURFACE COURSE 4" HMAC (TYPE C) BASE COURSE 4" 2" LIME STABILIZED SUBGRADE ASPHALT CROSS SECTION NOTE : CUT OF INTO EXISTING PAVEMENT IS REQUIRED FOR CONSTRUCTION JOINT WITH NEW POURS TO GET A SMOOTH FINISH ASPHALT CROSSECTION MAY 1991 REV MAY 2017 SD-P07

10 GENERAL NOTES FOR ALLEYS AND DRIVEWAYS 1. CONCRETE FOR ALLEY RETURNS AND DRIVEWAYS SHALL HAVE A MINIMUM COMPRESSIVE STRENGTH AT 28 DAYS IDENTICAL TO THAT SPECIFIED FOR THE STREET PAVEMENT OR BASE WHEN BUILT AS COMPONE OF A CONCRETE PROJECT. WHEN BUILT SEPARATELY, THE STRENGTH SHALL BE AS SPECIFIED ON THE CONSTRUCTION PLAN. 2. SPACING AND CONSTRUCTION OF JOI SHALL CONFORM TO PARABOLIC STREET PAVEMENT. GENERAL NOTES ALLEY AND DRIVEWAYS SEPT REV MAY 2017 SD-P08

11 PL 2' ALLEY WIDTH (A) 12' 16' 20' L HALF SECTION WIDTH (L) 6' 8' 10' A INVERT DEPTH (d) SEE GENERAL NOTES (SD-P01) SECTION "G" FOR BAR CL SIZE AND SPACING. 1" / FT. 1" / FT. L GENERAL NOTE: ALL ALLEYS TO BE LIMED IN ACCORDANCE WITH ITEM C, SD PO1 PL STANDARD 12', 16' & 20' ALLEY SECTION 2' 12' 2' 6' FOR 12' ALLEY 6' 1" / FT. 1" / FT. PL STANDARD ALLEY SECTION WITH CURB 2' 12' 6' OR 12' ALLEY 6' CL 1" / FT. 3" 8" 4" 8" 4" d 8" 3" SEE GENERAL NOTES (SD-P01) SECTION "G" FOR BAR SIZE AND SPACING. 4" PSI COMP 3" 3600 PSI COMP. PL PL SEE GENERAL NOTES (SD-P01) SECTION "G" FOR BAR SIZE AND SPACING. CL SEE GENERAL NOTES (SD-P01) SECTION "G" FOR BAR SIZE AND SPACING. 3" 3600 PSI COMP. NOTE : CURBS NOT ALLOWED IN RESIDENTIAL AREAS EXCEPT AS APPROVED BY THE CITY. # 3 BAR CONTINUOUS IN CURB. SEE GENERAL NOTES (SD-P01) SECTION "G" FOR BAR SIZE AND SPACING. 3" 3" 3600 PSI COMP. 12" 12" 18" 18" 18" 18" 12" 18" SEE GENERAL NOTES (SD-P01) SECTION "G" FOR BAR SIZE AND SPACING. ALTERNATE 12' ALLEY SECTION / CURB NOTE : CURBS NOT ALLOWED IN RESIDENTIAL AREAS EXCEPT AS APPROVED BY THE CITY. # 3 BAR CONTINUOUS IN CURB.

12 OUTSIDE EDGE OF ALLEY C D INVERT OUTSIDE EDGE OF ALLEY NOTE : ALLEY TO BE PLACED IN SHADED AREA WHEN SCREENING WALL IS ALONG PROPERTY LINE. SEE COA SCREENING WALL DETAIL. VARIES PROPERTY LINE SCREENING WALL W A C B INVERT D TYPICAL ALLEY WIDTH (W) 12' A 2.0' B 6.0' C 6.0' ' R38' 16' 2.0' 8.0' 8.0' 31.0' = PROPERY LINE 20' 2.0' 10.0' 10.0' 35.0' ALLEY TURN 75 OR GREATER A C B A 12' MIN. ALLEY TURN 75 OR GREATER SEPT 1991 REV AUG SD-P10

13 OUTSIDE EDGE OF ALLEY 7' OR 8' VARIES INVERT OUTSIDE EDGE OF ALLEY =30-75 R70' A C B A ALLEY WIDTH (W) A TYPICAL B C = ' 2.0' 6.0' 6.0' 16' 2.0' 8.0' 8.0' 20' 2.0' 10.0' 10.0' ALLEY TURN ALLEY TURN SEPT 1991 REV AUG SD-P11

14 2' WIDTH R.O.W. 2' PROPERTY LINE PROPOSED CONCRETE ALLEY WHEN CONNECTING TO EXISTING ALLEY NEW ALLEY CONNECTING TO NEW ALLEY "NEW - EXISTING" "NEW - NEW" SAWED JOINT PROPOSED R.O.W. PROPOSED R.O.W. #3 BAR DRILLED 18" MIN. INTO EXISTING PAVEMENT. EXISTING ALLEY R38' 2' WIDTH R.O.W. 2' ALLEY INTERSECTING ALLEY ALLEY INTERSECTING ALLEY SEPT REV AUG SD-P12

15 ALLEY WIDTH (W) 12' 16' 20' A 2.0' 2.0' 2.0' INVERT A W R.O.W. A ALLEY TURN OUTSIDE EDGE OF ALLEY VARIES VARIES OUTSIDE EDGE OF ALLEY R38' PROPERTY LINE INVERT LINE INVERT LINE 120 R38' 2' W 2' R.O.W. ALLEY TURN SEPT 1991 REV AUG SD-P13

16 C B A DRIVEWAY/ ALLEY WIDTH 16' 20' 24' 2'-0" 2'-0" 2'-0" 12' 12' 16' 16' 20' 20' C B A B 22.5' R.O.W. LINE EXPANSION JOINT 5X 5 CORNER CLIP AT ALL ALLEY & STREET INTERSECTION LOTS R=24' REINF CONCRETE PAVEMENT R.O.W. LINE 14.5' 22.5' R.O.W LINE R.O.W LINE 14.5' 5% MAX. 2% MAX. ADA ACCESSIBLE PATH* CONCRETE WALK 38' NO. 3 BAR BENT TO RADIUS 4" GREATER THAN CURB RADIUS 12" * ACCESSIBLE PATH MUST NOT BE OBSTRUCTED BY CURB AND MUST NOT EXCEED 2% CROSS-SLOPE OR 5% LONGITUDINAL SLOPE WHEN CONSTRUCTED. SEE GENERAL NOTES (SD-P01) SECTION "G" FOR BAR SIZE AND SPACING. BLOCK-OUT IF NOT MONOLITHIC WITH STREET PVMT FACE OF CURB PAVEMENT REINFORCEMENT LAPPED 30 DIA. (WITH KEYWAY OR LONGITUDINAL BUTT JOINT IF NOT MONOLITHIC WITH STREET) STREET CONSTRUCTED MAX. 2% 5% WHEN ADJACENT STREET 5% CROSS SLOPE RUNNING SLOPE NOTE: THIS APPLICATION APPLIES TO RAMPS AT NON-SIGNALIZED COMMERCIAL DRIVEWAYS & ALLEYS RAMPS WITHOUT TRUNCATED DOMES SEPT REV FEB 2017 SD-P14

17 EXISTING ALLEY RETURN MODIFICATIONS (CONCRETE) SEPT REV MAY 2017 SD-P15

18 EXISTING ALLEY RETURN MODIFICATIONS (ASPHALT) SEPT REV MAY 2017 SD-P16

19 INVERT SECTION A-A ALLEY ENTRANCE INVERT TRANSITION FOR ACCESSIBILITY ALLEY ENTRANCE ONTO EXISTING STREET SEPT REV MAY SD-P17

20 " X " 10' MIN. DIMENSIONS OF MEDIAN NOSE 3' 1' X = 13.90' Y = 7.0' X = 26.36' Y = 14.0' PC BORDER CURB X = 16.44' X = 18.08' X = 20.42' Y = 8.0' Y = 9.0' Y = 10.0' X = 29.89' X = 32.93' X = 36.47' Y = 17.0' Y = 20.0' Y = 24.0' R= 68' " Y " PC LIMIT OF MEDIAN STAMPED CONCRETE BRICK PAVERS SEE SD-P19 FOR DETAILS SCALE : R=2.5' BRICK PAVERS SEE SD-P19 FOR DETAILS 18' 10' 1' A B 7.5' PAY LINE & KEYED CONSTRUCTION JOINT EXPANSION MATERIAL SHALL BE PLACED AROUND BRICK PAVERS 1. CONTRACTOR MAY USE STAMPED COLORED CONCRETE. IF APPROVED BY ENGINEER. 2. COLOR & PATTERN SHALL MATCH EXISTING. 3. COLOR MIX SHALL BE UNIFORMLY COLORED THROUGHOUT AND NOT SPRAYED, OVERLAYED OR OTHERWISE APPLIED TO TOP LAYERS. 4. CONTRACTOR SHALL FURNISH ONE 4'X4'X4" SAMPLE FOR CITY APPROVAL& HAUL OFF AFTER APPROVAL. CONSTRUCT STAMPED CONCRETE OVER 4" COMPACTED SAND. 1' PAY LINE & KEYED CONSTRUCTION JOINT *IF NO EXISTING TO MATCH, PATTERN SHALL BE KEYSTONE & COLOR BLACK-FLASHED RED. VARIES 4' TO 6' 1' R = 1'-3" B STAMP CONCRETE FORM LITHOTEX #3560, LIGONIER STONE & LIME OCTAGON SLATE OR APPROVED EQUAL CONCRETE SHALL BE VICTORIAN RED WITH DARK GRAY OVERLAY TO MATCH BRICK PAVERS. A SCALE : EXPANSION MATERIAL SEE COA DETAIL FOR MEDIAN 10' (IF Y 6') 3' (IF Y > 6') PAY LINE & KEYED CONSTRUCTION JOINT 3" SEE GENERAL NOTES (SD-P01) SECTION "G" FOR BAR SIZE AND SPACING. 1 3 R=1" PAY LINE & KEYED CONSTRUCTION JOINT NOTE : MONOLITHIC MEDIAN NOSE & PAVEMENT SHALL BE PAID FOR PER EACH COMPLETE IN PLACE. VARIABLE 3" TO 3" MEDIAN DETAILS SEPT REV MAY 2017 SD-P18

21 6cm. (2-3/8") STONE FINISHED GRADE TO MATCH EXISTING TOP OF CURB. 1/2" EXPANSION JOINT MATERIAL BETWEEN CURB AND PAVESTONE/DROP SLAB. SAND FILLED JOI; MECHANICALLY VIBRATED UNTIL LEVEL, TRUE TO GRADE & FREE OF MOVEMENT. 1 2" EXPANSION MATERIAL 1/8" ± TYP. BORDER END 1" SAND BEDDING COURSE TOP OF BRIDGE SLAB (IF APPLICABLE) 1/2" EXPANSION JOINT MATERIAL BETWEEN CURB AND PAVESTONE/DROP SLAB BORDER END 4" 1" 7 3/8" 2 3 8" MINIMUM 4" 3000 PSI REINFORCED CONCRETE SUBGRADE WITH No. 3 BARS 24" O.C. MAY BE THICKER ON BRIDGE. SEE SD P18 FOR MONOLITHIC NOSE 1/2" EXPANSION JOINT MATERIAL BETWEEN CURB AND PAVESTONE/DROP SLAB. SAND FILLED JOI; MECHANICALLY VIBRATED UNTIL LEVEL, TRUE TO GRADE & FREE OF MOVEMENT. 1/8" ± TYP. CURB MINIMUM 4" 3000 PSI REINFORCED CONCRETE SUBGRADE WITH No. 3 BARS 24" O.C. MAY BE THICKER ON BRIDGE. 1" SAND BEDDING COURSE EDGE STONES ARE MOLDED OR FIELD CUT SEE SD P18 FOR MONOLITHIC NOSE MEDIAN STONE SHALL EXTEND TO A POINT WHERE MEDIAN IS AT LEAST 6' WIDE. IF MEDIAN IS 6' WIDE, SHALL EXTEND 15' FROM NOSE. FOR MEDIANS WIDER THAN 6', SHALL EXTEND 10' FROM NOSE. ALL DISTANCES ARE MINIMUM. STONE SHALL BE INTERLOCKING CONCRETE (BELGARD BRAND KEYLOC OR APPROVED EQUAL) PER ITEMS AND OF THE CITY OF ALLEN SPECIAL PROVISIONS AND SHALL BE RED/BLACK FLASHED IN COLOR. 1 2" EXPANSION MATERIAL ANTIQUE RED MEDIAN STONE PROPOSED OR EXISTING CONCRETE CURB MEDIAN STONE DETAIL SEPT REV MAY 2017 SD-P19

22 18" (TYP) SOD CURB (TYP) 6' LOCATION OF RAMP AT P.R.C. OF CURBLINE FOR TURN LANE. 18" 2' 2' LEFT TURN BAY SOD 2' TRANS 6' RAMP 2' TRANS CURB (TYP) STREET GENERAL NOTES : 1. MAXIMUM ONE RAMP PER MEDIAN. 2. EXCEPTION - MEDIAN LAY DOWN SHALL NOT BE REQUIRED AT END OF MEDIAN WITH BRICK OR PAVERS. (WIDTH < 6') BUT SHALL BE REQUIRED AT OTHER END. 3. POUR SHALL BE INTEGRAL. MEDIAN MAINTENANCE ACCESS (MEDIAN CURB LAY-DOWN) SEPT REV MAY 2013 SD-P20

23 EXPANSION JOINT FILLER 8" 8" EXISTING/FUTURE PAVEMENT CONC. PAVEMENT T 9" SEE GENERAL NOTES (SD-P01) SECTION "G" FOR BAR SIZE AND SPACING. 4.5" 2" 1 PAVEMENT BARS TO BE BENT DOWN INTO HEADER. HEADER AND PAVEMENT TO BE MONOLITHIC. STREET HEADER MAY 1991 REV FEB 2017 SD-P21

24 24" DEFORMED No.5 DOWEL BAR HOT POURED RUBBER JOINT SEALING COMPOUND SAWCUT WIDTH 3/8" MIN. TOP 1/4" NO JOINT SEALING COMPOUND ET/2 PROPOSED EXISTING 1" 3" T + 2" T 3" DOWEL SPACED 12" o.c. OFF TIE BARS NOTE: DOWEL BARS SHALL BE DRILLED INTO PAVEMENT HORIZONTALLY BY USE OF A MECHANICAL RIG. DRILLING BY HAND IS NOT ACCEPTABLE. PUSHING DOWEL BARS INTO GREEN CONCRETE IS NOT ACCEPTABLE. PAVEMENT REPAIR HEADER JULY 1991 REV AUG SD-P22

25 2' END 6' CURB SEE GENERAL NOTES (SD-P01) SECTION "G" FOR BAR SIZE AND SPACING. PAVEMENT LINE 20' NOTE : 1. PAVEMENT BARS TO BE BENT DOWN INTO HEADER. 2. HEADER AND PAVEMENT TO BE MONOLITHIC. 6' 9" 2" ALL WORK BETWEEN HEADERS TO BE DONE BY OTHERS UNLESS OTHERSWISE SPECIFIED. 2" CURB 1/4" R. SYMMETRICAL ABOUT 5' (USUAL) RAIL HEADER SEPT REV FEB 2017 SD-P23

26 SEE GENERAL NOTES (SD-P01) SECTION "G" FOR BAR SIZE AND SPACING. MINIMUM WIDTH = 24' 1' 3600 PSI CONCRETE LIME STABILIZED SUBGRADE VERTICAL SAW CUT 3 8" MIN. WITH HOT POURED RUBBER JOINT SEALING COMPOUND SEE GENERAL NOTES (SD-P01) SECTION "G" FOR BAR SIZE AND SPACING. NOTES: 1. DOWELS & REBARS SHALL BE SUPPORTED BY AN APPROVED DEVICE. 2. EXPANSION JOI TO BE THE SAME AS USED FOR CONCRETE STREET. 3. SAWED TRANSVERSE DUMMY JOINT SHALL BE SPACED 20'-0" 4. EXPANSION JOINT DISTANCE AT 100' INTERVAL & SAWED JOINT AT 20'-0" FIRE LANE SCALE 3/8" TOP 1 4" NO SEALING COMPOUND 1/4" 1/4 T T = PAVEMENT THICKNESS SAWED DUMMY JOINT 1" 3/8" T T/2 1/2" 1/4" 1/4 T T T/2 VERTICAL SAW CUT 3 8" MIN. WITH HOT POURED RUBBER JOINT SEALING COMPOUND SEE GENERAL NOTES (SD-P01) SECTION "G" FOR BAR SIZE AND SPACING. SCALE TOP 1 4" NO SEALING COMPOUND FIRST POUR T/3 2" SECOND POUR T = PAVEMENT THICKNESS CONSTRUCTION JOINT FOR PAVEMENT SCALE TRANSVERSE AND LONGITUDINAL JOI FIRE LANE & JOINT DETAILS SEPT REV MAY 2017 SD-P24

27 DOWEL SPACED ON 18" CENTER TO CENTER, OFF TIE BARS. 9" - 15" SAWCUT FULL DEPTH & CURB & GUTTER 3/8" TOP 1 4" NO SEALING COMPOUND T/2 PROPOSED 1/4" 1/4 T EXISTING T T = PAVEMENT THICKNESS 24" DEFORMED No. 6 DOWEL BAR VERTICAL SAW CUT 3 8" MIN. WITH HOT POURED RUBBER JOINT SEALING COMPOUND CONCRETE BUTT JOINT CONCRETE BUTT JOINT MAY 1991 REV JAN 2018 SD-P25

28 TOP 1 4" NO SEALING COMPOUND 24" No. 6 SMOOTH DOWEL 16' DOWEL COATING 2" MIN. 3/4"± 11' 2' MIN. 1 1/4" MIN. CLEARANCE WITHIN CAP. T T/2 1/4" REDWOOD EXPANSION JOINT FILLER HOT POURED RUBBER JOINT SEALING COMPOUND DOWEL SLEEVE (CLOSED) TO FIT DOWEL AND BE SECURED. TO BE INSTALLED ON 18" CENTER TO CENTER. TRANSVERSE EXPANSION JOINT (SPACED 600 FT. MAXIMUM, LOCATE AT INTERSECTIONS) T = PAVEMENT THICKNESS CURB NOTES: 1. DOWELS AND REINFORCING BARS SHALL BE SUPPORTED BY AN APPROVED DEVICE & MUST BE TIED OR CHAIRED ON EACH SIDE. 2. EXPANSION JOI SHALL BE PLACED TRANSVERSELY IN PROPOSED PAVEMENT WHERE THICKNESS CHANGES, SUCH AS BETWEEN 5" EXPANSION JOI SHALL BE PLACED AT ALL END POI OF RADII. 4. HOT POURED RUBBER SEALING COMPOUND SHALL BE PLACED THROUGH RAISED CURB. EJ GRASS EJ PAVEMENT EJ 5" PAVEMENT PARKING LOT EXAMPLE TRANSVERSE EXPANSION JOINT JAN 2001 REV MARCH 2016 SD-P26

29 STRAIGHT CROWN PROVIDE JOINT SAWED DUMMY JOINT SAWED TRANSVERSE DUMMY JOI SPACED 15' PARABOLIC CROWN MATCH EXISTING EXPANSION JOI IF WIDENING. SAWED TRANSVERSE DUMMY JOI SPACED 20' OR MATCH EXISTING IF WIDENING. BACK OF CURB BACK OF CURB NOTE: ALLEYS TO BE SAWED TRANSVERSE AT 12'0" LONGITUDINAL JOINT ONLY-31' BB AND 1 4 PTS >31' SPACING DIAGRAM FOR TRANSVERSE JOI SPACING DIAGRAM FOR TRANSVERSE JOI SEPT 2001 REV AUG SD-P27

30 SINGLE CONDUIT (SEE NOTES ) LEGEND: 1. SAWED LONGITUDINAL DUMMY JOINT. 2. CONSTRUCTION JOINT (FULL WIDTH PAVEMENT IS ALLOWED WHERE APPROVED BY THE CITY OF ALLEN) DELETE IF IS 25 FT WIDTH TO BE WIDENED LATER. INSTALL CURB IF LESS THAN FULL WIDTH OF 33' - 36'. ROW 3" MEDIAN 2" 3" 43'-46' 33'-36' 3" 2" 3" PULL BOXES/JUNTION BOXES TYPE A (TYP.) 2" PVC SCHEDULE 40 DOVE GRAY ELECTRICAL STREET LIGHT CONDUIT SHALL BE PLACED IN ALL MEDIANS, 3' OFF UNLESS OTHERWISE SHOWN ON THE PLANS. BURIAL DEPTH SHALL BE 3'-0" BELOW FINISH GRADE. 30 INCH RADIUS SWEEP BENDS TO BE USED AT ALL HANDHOLE BOXES. TRAFFIC SIGNAL PULL BOXES SHALL BE #36 FROM TRAFFIC SIGNAL EQUIPMENT COMPANY, FT. WORTH, TEXAS OR APPROVED EQUAL. BOXES ARE APPROXIMATELY 10 1/2" X 17" X 12" AND SHALL BE PROVIDED WITH A CONCRETE COVER. BURIAL DEPTH OF 3" CONDUIT SHALL BE 18 INCHES BELOW CURB GRADES. INTERSECTION WIDENING DETAIL SCALE NOTES: 1. 3" PVC SCHEDULE 40 DOVE GRAY ELECTRICAL TRAFFIC SIGNAL CONDUIT TO BE INSTALLED CONTINUOUS ACROSS INTERSECTION, EXTENDED TO 2' BEHIND CURBS. SWEEP BENDS TO BE USED AT ALL PULL BOXES. 2. RED MARKER TAPE IS TO BE INSTALLED ON THE ENDS OF THE CONDUIT. 3. THE EXACT LOCATIONS WHERE THE CONDUIT CROSSES UNDER THE ARE TO BE CHISELED WITH AN "X" AND PAINTED WITH THE RED PAINT, ON THE CURB OR. 4. A # 9 GALVANIZED WIRE SHALL BE PLACED IN ALL CONDUIT. THIS WIRE SHALL EXTEND A MINIMUM OF 1' FROM THE END OF THE CONDUIT. ITEM INTERSECTION CONDUIT LAYOUT SEPT 2001 REV AUG SD-P28

31 130' 1/8"/FT 1/8"/FT 1/8"/FT 1/8"/FT 130' 0" 2" 0" 1/8"/FT 1/8"/FT 0" 2" 0" 1/8"/FT 1/8"/FT 1/8"/FT 4" 8" 4" 1/8"/FT 8" 10" 10" 10" 1/8"/FT 10" 8" 8" 1/8"/FT 4" 0" 2" 1/8"/FT 1/8"/FT 0" 4" 0" 2" 1/8"/FT 1/8"/FT 0" 130' 1/8"/FT 1/8"/FT 130' TYPICAL CONTOURS FOR MAJOR-MAJOR INTERSECTION TRANSITION TO 1/4" / FT 200' TYPICAL SCALE NOTE: INLETS REQUIRED WHEN DRAINAGE IS TOWARD INTERSECTION. 1/8"/FT 1/8"/FT TYPICAL CONTOURS FOR MAJOR-MAJOR INTERSECTION SEPT 2001 REV AUG SD-P29

32 1/2" THICKNESS PRE-MOULDED EXPASION JOINT FILLER SPACED 40'O.C. 4' 4' 4'.5" 4' 4' 4" EXPANSION JOINT SIDEWALK CONTROL JOI SHALL BE GROOVED 3/8" DEEP ON 4' CENTERS #3 SMOOTH DOWELS 24" LONG, LUBRICATED SPACING 12" O.C. 4' OR 5' USUAL SEE GENERAL NOTES (SD-P01) SECTION "G" FOR BAR SIZE AND SPACING. EDGE 1/2" R 1/2" JOI SHALL BE SPACED AT 40' INTERVALS OR AS OTHERWISE SPECIFIED AND SHALL BE FILLED WITH PREMOLDED BITUMINOUS EXPANSION JOINT FILLER. AS SPECIFIED (5' USUAL) SLOPE 1% - 2% TOWARD STREET 2" NOTE: WHEN CONCRETE WALK IS ADJACENT TO CURB, DEPTH OF EXPANSION JOINT MATERIAL SHALL BE SUFFICIENT TO PREVENT CONCRETE TO CONCRETE CONTACT BETWEEN WALK AND CURB. WALK SHALL BE 5' WHEN NEXT TO CURB. REBARS SHALL BE PLACED NO CLOSER THAN FROM EDGE OF SIDEWALK. 12" MAX. 12" MAX. 12" MAX. 4" 2" 2" CUSHION SAND OR COMPACTED SUDGRADE 4' 2" 12" MAX. 12" MAX. 12" MAX. 12" MAX. CONSTRUCTED MAX. CROSS SLOPE 2% 5' RUNNING SLOPE 5% MAX WHEN ADJACENT STREET 5% CONCRETE SIDEWALK SEPT 2001 REV MAY 2017 SD-P30

33 1' 5' VARIES VARIES THOROUGHFARE 70'+ R.O.W. 5' SIDEWALK SHALL BE LOCATED 1' INSIDE R.O.W. OF THOROUGHFARES. RESIDENTIAL 50' R.O.W. 4' SIDEWALK SHALL BE LOCATED 1' INSIDE R.O.W. OF RESIDENTIAL STREETS. R.O.W. R.O.W. SIDEWALK GRASS B/C 1' 4' 4.5' 15.5' GRASS STREET STREET C L SIDEWALK B/C LC 1' 4' 6.5' 18.5' COLLECTOR 60' R.O.W. 4' SIDEWALK SHALL BE LOCATED 1' INSIDE R.O.W. OF COLLECTOR STREETS. R.O.W. GRASS STREET ROW SIDEWALK B/C LC 1' 4' or 5' VARIES SEE COA SIDEWALK DETAIL SD-P30 CONCRETE SIDEWALK (CONTINUED) JUNE 1998 REV OCT 2016 SD-P31

34 BRICK SHALL BE ASTM C902 COLOR & PATTERN DETERMINED BY CITY OF ALLEN 4'-4" HAND SWEPT SAND INTO JOINT, NO GAP (1 PART COLORED PORTLAND CEMENT & 3 PARTS SAND) NOTE: PLANTING BED BEYOND R.O.W. IS UNDER SEPARATE CONTRACT. PEDESTRIAN BRICK 2 1/4" 2 1 2" 1 1 4" VARIES R.O.W. & PAY LINE PLANTING BED 2" 2" 1/2" BITUMINOUS EXPANSION JOINT MATERIAL. DEPTH OF JOINT MATERIAL SHALL BE SUFFICIENT TO PREVENT CONTACT BETWEEN WALK AND CURB STOP EXPANSION JOINT AT TOP OF CURB AND SEAL WITH CONCRETE GRAY SEALANT 1" 4" 12" O.C. 2" SAND SAND SETTING BED 4" CONCRETE SUBBASE ( CONCRETE SUBBASE REQUIRED IN SOME AREAS, SEE PLAN) 2" CONC. STREET SUBGRADE COMPACTED TO 95% OF STANDARD PROCTOR DENSITY AT 0% TO +3% OF OPTIMUM MOISTURE TYPICAL BRICK SIDEWALK AND SUPPORT SLAB 4'-4" FACE OF CONCRETE CURB PEDESTRIAN BRICK 2 1/4" 4" 1 1 4" 1" HAND SWEPT SAND INTO JOINT, NO GAP (1 PART COLORED PORTLAND CEMENT & 3 PARTS SAND) 1/2" BITUMINOUS EXPANSION JOINT MATERIAL. DEPTH OF JOINT MATERIAL SHALL BE SUFFICIENT TO PREVENT CONTACT BETWEEN WALK AND CURB CONC. STREET STOP EXPANSION JOINT AT TOP OF CURB AND SEAL WITH CONCRETE GRAY SEALANT 4'-4" SOLDIER COURSE PLANTING BED BRICK PAVERS ON CONCRETE BASE 4" 3" 4" TYPICAL TREE PIT (IF REQ'D) EDGE OF BUILDING/ R.O.W. LINE SIDEWALK BRICK PAVERS MARCH 2001 REV MAY 2017 SD-P32

35 SEE GENERAL NOTES (SD-P01) SECTION "G" FOR BAR SIZE AND SPACING. #3 BAR GRASS R= 3 8" 3" R=3" 1:3 BATTER R=1 1 2" #4 12" O.C. SEE SD-P06 FOR DETAIL STREET OR 7" 2.5' (USUAL) #4 BAR #4 BAR SEPARATE CURB-AND-GUTTER SECTION #3 SMOOTH DOWELS (24" LONG) 12" O.C. REQUIRED EXP. JOINT AT TWO LEGS OF INTERSECTIONS OF LEAD WALK AND PUBLIC WALK AS SHOWN GRASS SIDEWALK LEADWALK PROPERTY LINE NOTES: 1. 2-INCH CUSHION SAND REQUIRED ON SUBGRADE COMPACTED WITHIN 95% STANDARD PROCTOR DENSITY. 2. POURS SHALL REQUIRE A PRE-POUR INSPECTION FOR FORMWORK, REINFORCEMENT AND GEOPMETRY. VISUAL INSPECTIONS MAY BE MADE AFTER THE POUR TO ADDRESS TOOLED JOI, FINISH, SUBGRADE INTEGRITY, ETC. 3. ENSURE THAT FLATWORK DOES NOT OBSCURE ABOVE-GROUND APPURTENANCES (I.E. VALVES, MH LIDS) 4. EXPOSED AGGREGATE CONCRETE IS NOT ACCEPTABLE FOR SIDEWALK WITHIN PUBLIC RIGHT-OF-WAY. 5. SIDEWALKS SHALL BE 48" WIDE (MIN.) WITH 42" (MIN.) UNOBSTRUCTED. SIDEWALKS ALONG ARTERIAL (THOROUGHFARE) ROADWAYS SHALL BE 5' MIN. 6. FOR CURB DETAIL SEE SHEET SD-P11 CURB CUT A MIN. OF 1' LEADWALK CURB CUT A MIN. OF 1' 1" FELT EXP. JOINT REQUIRED BETWEEN BACK OF CURB AND LEADWALK CURB STREET CURB AND LEAD WALK REPAIR AUG 2005 REV MAY 2017 SD-P33

36 BARRIER FREE RAMPS TYPE 'A' & 'B' MAR 2004 REV JAN 2018 SD-P34

37 BARRIER FREE RAMPS TYPE 'C' & 'D' MAR 2004 REV JAN 2018 SD-P35

38 BRICKS LAYOUT BARRIER FREE RAMPS TYPE 'E' DEC REV JAN 2018 SD-P36

39 BRICKS LAYOUT BARRIER FREE RAMPS TYPE 'F' DEC REV JAN 2018 SD-P37

40 BARRIER FREE RAMPS TYPE 'G' (NEW DEVELOPMENT RESIDENTIAL & COMMERCIAL) JAN 2018 REV SD-P38

41 BARRIER FREE GENERAL NOTE & DETECTABLE SURFACE MAR 2004 REV JAN 2018 SD-P39

42 FUTURE SIDEWALK 1' TYP. DRIVEWAYS OR ALLEYS EXPANSION JOINT ROW/PROPERTY LINE 4' OR 5' 2% SLOPE MAX. 2% MAX. 5 % MAX. 2% MAX. TRANSITION NEW CURB/GUTTER FROM TO Ø EXPANSION JOINT 6.25% MAX. SAWCUT AND REMOVE PAVEMENT & CURB. SEE SD-42 FOR SLOPES 1' TYP. 4' OR 5' SW TRANSITION NEW CURB/GUTTER FROM TO Ø 2% MAX. ROW/PROPERTY LINE EXISTING STREET BARRIER FREE RAMPS AT DRIVEWAYS & ALLEYS SEPT 1991 REV JAN 2018 SD-P40

43 10' MINIMUM (RES.) 30' MINIMUM (COMM.) REDWOOD EXP. JOINT R.O.W. LINE ACCESSIBLE PATH SLOPE : 2% MAX. 5% MAX. 5% MAX. WALK WAY 4'-5' 1' USUAL 30' FOR COMM DRIVE. R= 10' FOR RES. DRIVE FACE OF CURB 12" SAWCUT OF BLOCK-OUT LIMIT IF NOT MONOLITHIC WITH STREET PAVEMENT PAVEMENT REINFORCEMENT LAPPED 30 DIA. OR No. 6 BAR DOWEL 2' LONG TO BE DRILLED IF NOT TIED TO EXISTING REBAR 1' USUAL 4'-5' WALKWAY 12" REDWOOD EXP. JOINT CURB SAWCUT OF BLOCK-OUT LIMIT IF NOT MONOLITHIC WITH STREET PAVEMENT SLOPE : 2% MAX. SLOPE : 8% - 10% MAX. R.O.W. LINE REINF. CONCRETE PAVEMENT SEE ENLARGE DETAIL FOR ASPHALT CONNECTION CURB 2.5' ASPHALT PAVEMENT 3" 3" CONCRETE PAVEMENT CROSS SLOPE RUNNING SLOPE CONSTRUCTED MAX. 2% 5% MAX WHEN ADJACENT STREET 5% DRIVEWAY RETURN DETAILS (RESIDENTIAL AND COMMERCIAL) SEPT 1991 REV MAY 2017 SD-P41

44 12' TYPICAL ALLEY PAVEMENT FOR DRIVEWAY APPROACH DETAILS, SEE DETAIL 3/4" EXPANSION JOINT W/ #4 SMOOTH DOWELS ON 12" (MAX.) O.C. 2' TYP. PROPERTY LINE REDWOOD EXP. JOINT W/ #3 SMOOTH (24" LONG) DOWELS (12" O.C.) 20' MAX. ALLEY DRIVEWAY REDWOOD EXP. JOINT 4" 8" 4" 9' MIN. 12' (TYP.) SECTION A-A 2' TYPICAL REAR-ENTRY FOOT PRINT TYP. TRANSITION FROM 8" TO 4" THICKNESS #3 SMOOTH DOWELS (24" LONG)12" O.C. REQUIRED EXPANSION JOI AT TWO LEGS OF INTERSECTIOS OF LEAD WALK AND PUBLIC WALK AS SHOWN. PROPERTY LINE REDWOOD EXP. JOINT LEADWALK 4' TYP. TOLLED JOINT SPACING 4' MAX. O.C. EXIST. SIDEWALK GRASS BACK OF CURB DOWEL INTO EXIST. SIDEWALK MIN. PENETRATION 3/4" FELT EXPANSION JOINT REQUIRED BETWEEN BACK OF CURB AND SIDEWALK (DON'T DOWEL INTO CURB) STREET PAVEMENT 40' MAX. EXP. JOINT SPACING SIDEWALKS AND DRIVEWAYS AUG REV MAY 2017 SD-P42

45 PROPERTY LINE STANDARD LAYOUT OPTIONAL LAYOUT 5' No. 4 DOWEL BARS, 2' IN LENGTH WITH CAPS 2' EXPANSION JOINT MADE OF PREMOLDED ASPHALTIC TYPE OR REDWOOD BOARDS 5' PROPERTY LINE SEE SD-P01 FOR DETAILS. 2' 2' ALLEY ALLEY ALLEY 3/4" EXPANSION JOINT MADE OF PREMOLDED ASPHALTIC TYPE OR REDWOOD BOARDS HOME No. 4 DOWEL 12" O.C. 2' IN LENGTH WITH CAPS 2' 5' PROPERTY LINE 3/4" EXPANSION JOINT MADE OF PREMOLDED ASPHALTIC TYPE OR REDWOOD BOARDS HOME No. 4 DOWEL 12" O.C 2' IN LENGTH WITH CAPS 8" 3 4 " 4" 8" 4" 3 4 " 3 4 " 3 4 " DRIVEWAY RETURN FOR ALLEY SEPT 1991 REV MAY 2017 SD-P43

46 10' EXISTING ASPHALT STREET 6' THICK ASPHALT TRANSITION PSI REINF. CONCRETE FOR DRIVES END CURBS TYPICAL DRIVE OR STREET CONNECTION TO EXISTING ASPHALT STREET OR AS SPICIFIED R=10' 4.5" 1.5" 1.5" 1.5" STREET CONNECTION SEPT 1991 REV AUG SD-P44

47 12" 12" 12" SIDEWALK 4' MIN. 18" SIDEWALK SEE ENLARGE DETAIL STEEL PLATE FLUME COVER SPAN FEET PLATE THICKNESS INCHES 1/2" 5/8" 3/4" 7/8" BASED ON 100 P.S.I. LIVE LOAD AND MAX. DEAD & LIVE LOAD DEFLECTION OF L/240 BOLT PLATE DOWN WITH BRASS BOLTS. BOLTS SHALL BE 1/2" DIA. RECESSED TO FLUSH WITH TOP OF PLATE AND SPACED A MAXIMUM OF 12" ON CENTERS. 1/2" DIA. SELF-DRILLING ANCHORS SHALL BE USED AND SPACED THE SAME. SURFACE OF PLATE SHALL BE A NON-SKID MATERIAL. 12" 12" 3" 3" 18" DIAMOND GRID GALVANIZED STEEL PLATE INSTALLED AT SIDEWALK CROSSING FLUME FLUSH WITH SIDEWALK. DIAMOND GRID GALVANIZED STEEL PLATE INSTALLED AT SIDEWALK CROSSING FLUME FLUSH WITH SIDEWALK. VOID USUAL MAX = 4' STREET LEVEL FACE OF CURB DIAMOND GRID GALVANIZED STEEL PLATE INSTALLED AT SIDEWALK CROSSING FLUME FLUSH WITH SIDEWALK. BLOCK-OUT LIMIT IF NOT MONOLITHIC WITH STREET PAVEMENT No. 3 BARS ON 18" CTRS BOTH WAYS BLOCK-OUT LIMIT IF NOT MONOLITHIC WITH STREET PAVEMENT FACE OF CURB DIAMOND GRID GALVANIZED STEEL PLATE INSTALLED AT SIDEWALK CROSSING FLUME FLUSH WITH SIDEWALK. 18" CURB R=3/8" No. 3 BARS ON 18" CTRS BOTH WAYS 18" SIDE WALK 4' MIN. 12" 12" 5.5".5" MIN. COUNTERSUNK METAL ANCHOR SHALL NOT PROTRUDE ABOVE SURFACE SIDEWALK DOWEL COUNTERSUNK METAL ANCHOR SHALL NOT PROTRUDE ABOVE SURFACE COUNTERSUNK METAL ANCHOR SHALL NOT PROTRUDE ABOVE SURFACE COUNTERSUNK METAL ANCHOR SHALL NOT PROTRUDE ABOVE SURFACE No. 3 BARS ON 18" CTRS BOTH WAYS SIDEWALK FLUME DETAIL SEPT 1991 REV FEB 2017 SD-P45

48 18" 12" MOUNTABLE CURB SECTION (MCB) 14' 2.5' MCB 33' B-B STREET 53' R.O.W. C L R1" 8" 2" 4" 10" 10' R.O.W PSI REINF CONCRETE #4 BARS ON 12" CENTERS FLOW LINE #3 BAR 4" 21" 5" #4 BAR 30" #4 BAR CROWN 2.5' MCB 14' 10' R.O.W. ALTERNATE STREET R.O.W. SECTION FOR MOUNTABLE CURB APR REV NOV SD-P46

49 MAILBOX SHALL BE MADE OF LIGHTWEIGHT SHEET METAL OR LIGHTWEIGHT PLASTIC. HEAVY STEEL, CAST IRON OR DECORATIVE MAILBOXES SHALL NOT BE USED. U.S. POSTAL MAILBOX REQUIREME ARE IN POSTAL BULLETIN No TYPICAL MAILBOX SIZE IN INCHES WIDTH HEIGHT * MAXIMUM ALLOWED DIMENSIONS FOR MAILBOX MAILBOX SIZES NOTE: SIDEWALK PAVEMENT REFER TO CITY OF ALLEN STANDARD SD-P33 FOR SECTION & DETAIL ENLARGE TYPE 5 SUPPORT/FOUNDATION MAIL BOX SEE SIZES TYPICAL MOLDED PLASTIC MAILBOX MAILBOX SHALL BE MARKED WITH HOUSE NUMBER ONE PIECE MOLDED PLASTIC MAILBOXES MOLDED PLASTIC MAILBOXES SHALL BE INSTALLED ON 4" X 4' TREATED TIMBER POSTS ONLY. POST MAY BE SET IN LOW STRENGTH GROUT. THE USE OF STEEL PIPE OR STRUCTURAL TUBING IN PLACE OF TIMBER POST IS PROHIBITED. MAILBOX SHALL BE STEP 2 MODEL # OR APPROVED EQUAL. NOTE: FRONT OF MAILBOX LINES UP WITH BACK OF CURB. FOR TWO MAILBOXES, MAINTAIN 1' SPACING BETWEEN MAILBOXES AND 1.5' FROM JOINT TO EACH MAILBOX. MAILBOX DETAIL DEC 2008 REV SD-P47