12-C06 - Curb and Sidewalk Details 2026 - 3 pages.pdf
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- Solicitation number
- Not on record
- Issued by
- Lancaster County, Pennsylvania
About this file
This is a technical specification document for curb and sidewalk construction details prepared by the Bureau of Engineering, Department of Public Works for the City of Lancaster, Pennsylvania, in support of the 2026 ADA Curb Ramps Project (Public Notice B820-26-03). The document provides comprehensive construction standards and details for concrete and brick sidewalks, curb replacements, depressed curbs at driveways, curb ramps with detectable warning surfaces, and related infrastructure improvements. The specifications detail materials including Class AA concrete, 2A/2A MOD stone base, brick pavers (Glen-Gery 53DD in herringbone pattern), and preformed thermoplastic or brick detectable warning surfaces (DWS). Key construction requirements include control joints every 10 feet, expansion joints every 30 feet, 2.0% maximum slope for finished pavements, 6x6-8 gauge wire mesh reinforcement, and ADA-compliant curb ramp specifications with primary landing areas of 5'-0" x 5'-0" minimum and maximum slopes of 1:10 for ramps and 2% for landing areas. The project bid opening is scheduled for April 22, 2026, at 11:00 AM with a non-mandatory pre-bid conference on April 8, 2026, via Microsoft Teams.
The project is partially funded through a Community Development Block Grant (CDBG) from the U.S. Department of Housing and Urban Development (HUD). Bidders must comply with prevailing wage requirements, the Steel Products Procurement Act, and all applicable federal and state labor laws. The City will evaluate bids based not solely on price but also on quality of services, bidder responsiveness, past performance, compatibility with City services, ability to handle project volume, contractor integrity, compliance with public policy, and financial and technical resources. The specification document emphasizes detailed construction methodologies, including reinforcement placement, joint spacing, material grading standards, drainage provisions, and ADA accessibility requirements for pedestrian circulation around obstructions and at driveway transitions.
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Text version
FINISHED
PAVEMENT
COMPACTED
SUBGRADE
2.0% MAX
4" CONCRETE
SIDEWALK
CLASS AA
BROOM FINISH
1/4" RADIUS
1/2" RADIUS
SEE CONCRETE
CURB REPLACEMENT
DETAIL
4" 2A/2A MOD OR
AASHTO #57
STONE BASE
0'-7"
0'-9"0' -4
1 CONCRETE SIDEWALK AND CURB
SCALE: NONE
3 CONCRETE CURB REPLACEMENT
SCALE: NONE
0'-7"
0'-9"
0' -4
R
EV
EA
L
GROUND
LINE
2A STONE BACKFILL
CLASS AA CONCRETE
SAW CUT LINE
FULL DEPTH OF
EXISTING
PAVEMENT
2'-0" MAX
BITUMINOUS
SEALER TOP/
VERTICALS
1/2"
RADIUS
4 STANDARD ROLLED CURB (REPLACEMENT ONLY)
SCALE: NONE
0'-3"
0' -3
0'-8"
2'-0" 1'
-0
NOTE:
1. CONCRETE SHALL BE CLASS AA
2. ROLLED CURB DETAIL FOR
REPLACEMENT ONLY. NEW
INSTALLATIONS ARE NOT PERMITTED.
4" 2A/2A MOD
STONE
CLASS AA
6 BRICK PAVERS SIDEWALK (PLAN VIEW)
SCALE: NONE
7 BRICK PAVERS VEHICULAR SIDEWALK (SECTION VIEW)
SCALE: NONE
STANDARD BRICK
HERRINGBONE
PATTERN @ 45° CURB
SIDEWALK
" O
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AN
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IN
G
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TH
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BRICK PAVING HAND
TIGHT ± 1/8" JOINT,
SAND SWEPT
3/4"-1"SAND
SETTING BED
MIN. 6" REINFORCED
CLASS AA CONCRETE
SLAB
6X6-8 GAUGE
WIRE MESH
3/4" DIA. WEEP HOLES 36"
ON CENTER, STAGGERED
BEHIND CURB
COMPACTED 4" 2A
CRUSHED STONE
9"
GLEN-GERY 53DD BRICK
PAVERS 116" TO 18" MAX.
SPACING SAND SWEPT JOINTS,
TAN COLOR POLYMERIC SAND
7"
CURB
LINE
0' -4
8" 2A/2A MOD
STONE BASE IN
STREET
CONTROL JOINTS EVERY 10'
EXPANSION JOINTS EVERY 30'
CONTROL JOINTS EVERY 10'
EXPANSION JOINTS EVERY 30'
GEOTEXTILE FABRIC; WRAP
BOTTOM & SIDES OF
EXCAVATION TO SETTING BED
2.0% SLOPE MAX
BUILDING
FACADE
PROVIDE 1/2" RUBBER
EXPANSION JOINT, ASPHALT
OR FIBER WITH CAULK FULL
DEPTH OF CONCRETE
8 BRICK PAVERS PEDESTRIAN SIDEWALK (SECTION VIEW)
SCALE: NONE
BRICK PAVING HAND
TIGHT ± 1/8" JOINT,
SAND SWEPT
3/4"-1" SAND OR
WET-SET IN MORTAR
COMPACTED 4" 2A
CRUSHED STONE
WELL-COMPACTED
SUBGRADE
GLEN-GERY 53DD BRICK
PAVERS 116" TO 18" MAX.
SPACING SAND SWEPT JOINTS,
TAN COLOR POLYMERIC SAND
WELL-COMPACTED
SUBGRADE
GEOTEXTILE FABRIC; WRAP
BOTTOM & SIDES OF
EXCAVATION TO SETTING BED
NOTE:
1. MINIMUM CURB REPLACEMENT IS A 4' SECTION
2.0% MAX
10% MAX
2 CONCRETE SIDEWALK AND CURB GRADE
SCALE: NONE
1/2" EXPANSION JOINT
AT SIDEWALK (WHERE
SIDEWALK ABUTS CURB)
BUREAU OF ENGINEERING
DEPARTMENT OF PUBLIC WORKS DESCRIPTION
REVISED BJH
DATE BY
SCALE: NOTED SHEET 1 OF 3
2/18/26
CURB AND SIDEWALK
DETAILS AND
SPECIFICATIONS
1.5" SUPERPAVE 9.5 MM
PG 64-22
5" SUPERPAVE 25 MM PG
64-22
5 SIDEWALK ADDITION DUE TO OBSTRUCTION
SCALE: NONE
ADD ADDITIONAL SIDEWALK
CURB
TAPER SIDEWALK
AT A 2:1 RATE
LIMIT OF WORK (TYP)
4'-0"
MIN.
4'-0"
MIN.
4'-0"
MIN.
ROADWAY
LESS
THAN
4'-0"
NOTE:
1. CONTINUOUS 4'-0" MIN PEDESTRIAN ACCESS ROUTE REQUIRED AROUND OBSTRUCTION.
SLOPE PER
PLAN
1 DEPRESSED CURB AT DRIVEWAY ELEVATION RESIDENTIAL
SCALE: NONE VARIES
5'-0" MIN
2% MAXIMUM SLOPE
0' -4
0' -6
"DRIVEWAY RAMP
SLOPE VARIES
6X6-8 GAUGE
WIRE MESH
STOP REINFORCEMENT AT LEAST
4" FROM ALL EXPANSION JOINTS
PROVIDE EXPANSION JOINT
FOR CONCRETE DRIVEWAY
1/ 2"
-1 -1
/2
DEPRESSED CURB
(SEE DETAIL 5 SHEET 2)
1/2" EXPANSION
JOINT
DRIVEWAY
CONCRETE APRON
CLASS AA CONCRETE
8'-20' RESIDENTIAL
10% SLOPE
MAX.
10% SLOPE
MAX.
1/ 2"
1-
1/ 2"
R
EV
EA
L
1' -6
2 DEPRESSED CURB AT DRIVEWAY RESIDENTIAL
SCALE: NONE
1/2" RUBBER
EXPANSION JOINT
1/2" RUBBER
EXPANSION JOINT
CONCRETE CURB
GUTTER LINE
(PAVEMENT SURFACE)
CONTROL JOINTS EVERY 10'
6" 2A/2A MOD OR
AASHTO #57 STONE BASE
CLASS AA CONCRETE
1/2" MIN
2" - 1 12 "
PAVEMENT
3/4" RAD.
0'-9"
5 TYP. CROSS-SECTION DEPRESSED CURB RESIDENTIAL
SCALE: NONE
SLOPE PER
PLAN
VARIES
5'-0" MIN
2% MAXIMUM SLOPE
0' -4
"0' -8
DRIVEWAY RAMP
SLOPE VARIES
SINGLE MAT #5 BARS @
12" O.C. WITH CHAIRS
STOP REINFORCEMENT AT LEAST
4" FROM ALL EXPANSION JOINTS
PROVIDE EXPANSION JOINT FOR
CONCRETE DRIVEWAY
1/ 2"
-1 -1
/2
M
AX
DEPRESSED CURB
(SEE DETAIL 7 SHEET 2)
1/2" EXPANSION
JOINT
DRIVEWAYCLASS AA
CONCRETE APRON
4 DEPRESSED CURB AT DRIVEWAY NON-RESIDENTIAL
SCALE: NONE
6" 2A/2A MOD OR
AASHTO #57 STONE BASE
3 DEPRESSED CURB AT DRIVEWAY ELEVATION NON-RESIDENTIAL
SCALE: NONE
20'-40' COMMERCIAL
(BASED ON ENGINEERING APPROVAL)
10% SLOPE
MAX.
10% SLOPE
MAX.
1/ 2"
1-
1/ 2"
R
EV
EA
L
1' -6
1/2" RUBBER
EXPANSION JOINT
1/2" RUBBER
EXPANSION JOINT
CONCRETE CURB
GUTTER LINE
(PAVEMENT SURFACE)
CONTROL JOINTS EVERY 10'HORIZONTALLY (2) #5 REBAR
CONTINUOUS THROUGH DW
CLASS AA CEMENT
0'-1/2"MIN
0'-1/2" TO
0'-1-1/2"
PAVEMENT
3/4" RAD.
0'-9"
7 TYP. CROSS-SECTION DEPRESSED CURB NON-RESIDENTIAL
SCALE: NONE
10 SIDEWALK DOWNSPOUT DRAIN THROUGH CURB
SCALE: NONE
1'-6" LIMIT OF CURB
& SIDEWALK
DISTURBANCE
3" 1'-0" 3"
4" OR AS PERMITTED
P.V.C. DRAIN PIPE
6X6-8 GAUGE WIRE MESH
RECESS LEADER DRAIN
2" FROM FACE OF CURB
EXIST. SIDEWALK
EXIST. CURB SLANTED FACE
OF CURB
BACK OF CURB
CONCRETE
WALK
6X6-8 GAUGE WIRE MESH
2" MAX.
PAVEMENT SURFACE
TOP OF CURB
& SIDEWALK
SAW CUT
CONTROL JOINT
16"
3 4"
VARIES
2-4" DRAIN PIPES
CURB
9 SIDEWALK DOWNSPOUT TRENCH DRAIN
SCALE: NONE
NOTE:
TOP COVER MUST
BE ADA-COMPLIANT
8"
8"
2' -0
1' -6
NEW CONC.
RETAINING
WALL, CLASS AA
4" 2A/2A MOD OR
AASHTO #57
STONE BASE
NEW/EXISTING
CURB
NEW/EXISTING
SIDEWALK
NOTE:
RESTORE SEEDED AREA
6 CHEEKWALL DETAIL
SCALE: NONE
4" DIAMETER OR AS PERMITTED
MAX. SLOPE 3:1
WITH MATTING
HORIZONTALLY (2) #5 REBAR
CONTINUOUS THROUGH DW
8 PLAN VIEW DRIVEWAY NON-RESIDENTIAL
SCALE: NONE
SINGLE MAT #5
BARS @ 12"O.C.
WITH CHAIRS
STOP REINFORCEMENT AT LEAST
4" FROM ALL EXPANSION JOINTS
11 STEEL PLATE CURB
SCALE: NONE
NEW OR
INTACT CURB
EXISTING CURB
1' 4" 8"
1' 4"8"
5" 4"
5" 4"
5" 4"
5" 4"
2"X4" EXPANSION ANCHORS,
PILOT DRILLED, RED HEAD, HILTI
OR THROUGH BOLTED WITH 12"
CARRIAGE BOLT OR EQUAL
NEW OR INTACT
CURB
STEEL PLATE LENGTH
AS DIRECTED BY ARBORIST AND INSPECTOR
(12' MAXIMUM) DEPTH MAX 18". MIN.
4" BELOW ROAD GRADE (MIN. 2 ANCHORS PER SIDE)NEW OR INTACT
CURB
NEW CURB (6' MIN.)
OR INTACT
NOTE:
STEEL TO BE FLUSH WITH CURB
LINE. CURB TO BE GROUND OR
FORMED WITH 12" RECESS
2" STEEL PLATE 18" TALL MAX.
MIN 4" BELOW ROAD GRADE
(VERIFY ROOTS)
PLATE FLUSH PLATE FLUSH
NOTE:
STEEL TO BE GALVANIZED,
COATED, OR PAINTED TO
MATCH CURB
0'-5"
NOTE:
REFER TO PENNDOT RC-67M FOR EXAMPLES OF ACCEPTABLE DRIVEWAY LAYOUTS.
TYPE 2 AND 2A ARE PROHIBITED FOR USE WITHIN THE CITY. DESCRIPTION
REVISED BJH
DATE BY
SCALE: NOTED SHEET 2 OF 3
2/18/26
CURB AND SIDEWALK
DETAILS AND
SPECIFICATIONS
4" SIDEWALK
4" STONE BASE
CURB REVEAL
VARIES
BUREAU OF ENGINEERING
DEPARTMENT OF PUBLIC WORKS
DESCRIPTION
REVISED BJH
DATE BY
SCALE: NOTED
1 CURB RAMP WITH PREFORMED THERMOPLASTIC DWS
SCALE: NONE
5'-0" MIN.
1:10 MAX
CLASS AA CONCRETE
LANDING AREA
5'-0" X 5'-0" MINIMUM
SLOPE 2% MAX
2'-0"
SLOPE
1:12 MAX
TRANSITION AREA
(TYP)
2 CURB RAMP WITH PREFORMED THERMOPLASTIC DWS
SCALE: NONE
4" MINIMUM
1' -6
9"
STOP REINFORCEMENT AT LEAST
4" FROM ALL EXPANSION JOINTS
LANDING AREA
RAMP AREA BASE SHALL BE SIX (6)
INCHES CLASS AA CONCRETE WITH
6X6-8 GAUGE WIRE MESH
RAMP
PREFORMED THERMOPLASTIC
DETECTABLE WARNING SURFACE (DWS)
ADA SOLUTIONS 2460 (BRICK RED)
OR APPROVED EQUAL
PREFORMED THERMOPLASTIC
DETECTABLE WARNING SURFACE (DWS)
ADA SOLUTIONS 2460 (BRICK RED)
OR APPROVED EQUAL
2A STONE
BACKFILL
4" 2A/2A MOD
OR AASHTO #57
STONE BASE
SEE 'CONCRETE CURB
REPLACEMENT DETAIL'
FOR ROADWAY SECTION
3 CURB RAMP WITH PREFORMED BRICK DWS
SCALE: NONE
5'-0" MIN.
1:10 MAX
CLASS AA CONCRETE
LANDING AREA
5'-0" X 5'-0" MINIMUM
SLOPE 2% MAX
2'-0"
SLOPE
1:12 MAX
TRANSITION AREA
(TYP)
PREFORMED BRICK
DETECTABLE WARNING SURFACE (DWS)
BRICK RED: CONTRASTING TO CONCRETE
WHITACRE GREER 32/33 SHADE MIX
OR APPROVED EQUAL
4 CURB RAMP WITH PREFORMED BRICK DWS
SCALE: NONE
4" MINIMUM
STOP REINFORCEMENT AT LEAST
4" FROM ALL EXPANSION JOINTS
LANDING AREA
RAMP AREA BASE SHALL BE SIX (6)
INCHES CLASS AA CONCRETE WITH
6X6-8 GAUGE WIRE MESH
RAMP
PREFORMED BRICK
DETECTABLE WARNING SURFACE (DWS),
BRICK RED: CONTRASTING TO CONCRETE
WHITACRE GREER 32/33 SHADE MIX
OR APPROVED EQUAL
2A STONE
BACKFILL
4" 2A/2A MOD
OR AASHTO #57
STONE BASE
SEE 'CONCRETE CURB
REPLACEMENT DETAIL'
FOR ROADWAY SECTION
3/4"-1" CONCRETE SAND
SETTING BED
4" 2A/2A MOD
OR AASHTO #57
STONE BASE
1' -6
9"
6 CURB RAMP SPECIFICATION SKETCH
SCALE: NONE
TRANSITION
TO EXISTING
(SEE NOTE 2)
SL
O
PE
:1
M
AX
SLOPE 1:12 MAX
PRIMARY
LANDING
SLOPE 2% MAX
5'x5' MIN
PRIMARY
RAMP
SLOPE 1:10 SLOPE 1:10
SL
O
PE
:1
SL
O
PE
:1
SLOPE 2% MAX
5'-0" MIN
2" MIN REVEAL
SL
O
PE
M
AX
5'
-0 " M
IN
CURB RAMP NOTES:
1. PROVIDE SLIP RESISTANT TEXTURE ON CURB RAMP BY COARSE BROOMING TRANSVERSE TO THE SLOPE OF THE
RAMP. EXTEND TEXTURE THE FULL WIDTH AND LENGTH OF THE CURB RAMP INCLUDING FLARED SIDE RAMPS.
2. TO AVOID CHASING GRADE INDEFINITELY WHEN TRAVERSING THE HEIGHT OF THE CURB, RAMP LENGTH NOT TO
EXCEED 15'-0". ADJUST RAMP SLOPE AS NEEDED TO PROVIDE ACCESS TO THE MAXIMUM EXTENT FEASIBLE.
3. ALIGN DETECTABLE WARNING SURFACE TRUNCATED DOMES ON A SQUARE GRID IN THE PREDOMINANT
DIRECTION OF TRAVEL.
4. PROVIDE DETECTABLE WARNING SURFACES 24" MINIMUM (IN THE DIRECTION OF PEDESTRIAN TRAVEL) ACROSS
FULL WIDTH OF RAMP AT THE GRADE BREAK NEAR STREET EDGE.
5. FOR NEW CONSTRUCTION, DO NOT EXCEED 2.00% CROSS SLOPE ON THE CURB RAMP OR ACCESSIBLE ROUTE.
6. ALL SLOPES ARE MEASURED WITH RESPECT TO A LEVEL PLANE. THEREFORE, THE LENGTH OF RAMP IS NOT
SOLELY DEPENDANT ON THE HEIGHT OF THE CURB. FOR EXAMPLE, A 6" CURB DOES NOT NECESSARILY MEAN A
RAMP LENGTH OF 6'-0' FOR A 1:12 SLOPE.
7. SIDE FLARES 10.00% MAX SLOPE.
8. CURB RAMPS REQUIRE A 5'-0" MINIMUM LANDING WITH A MAXIMUM CROSS SLOPE AND LONGITUDINAL SLOPE OF
2.00% WHERE PEDESTRIANS PERFORMING TURNING MANEUVERS.
9. CONSTRUCT DEPRESSED CURB SLOPE TO MATCH ROADWAY PROFILE AND HAVE A FLUSH CONNECTION.
10. IF TRANSITION BLOCK IS LESS THAN 5% SLOPE, CONTRACTOR TO TRANSITION LANDING TO EXISTING SIDEWALK
CONDITIONS ONLY.
11. SECONDARY LANDING SHALL BE 5'-0"X5'-0" MINIMUM WITH 2.0% MAXIMUM CROSS-SLOPE IN ALL DIRECTIONS.
SECONDARY LANDING SHALL TIE INTO EXISTING SIDEWALK CONDITIONS WITHOUT RESTRICTION. IF LANDING CANNOT BE TIED IN TO EXISTING SIDEWALK DUE TO SLOPE, THEN CONTRACTOR SHALL CONSTRUCT A "WARPED"
SECTION TO CONNECT EXISTING SIDEWALK CONDITIONS TO SECONDARY LANDING.
PERCENT
SLOPE
EQUIVALENT
SLOPE
10.00% 8.33% 7.14% 2.00%
1:10 1:12 1:14 1:50
1.00% 1:100
CLASS AA
CONCRETE
TRANSITION
TO EXISTING
(SEE NOTE 2)
SHEET 3 OF 3
2/18/26
WEEP HOLES TO DRAIN
INTO SUBGRADE
CURB AND SIDEWALK
DETAILS AND
SPECIFICATIONS
4" 2A/2A MOD
OR AASHTO #57
STONE BASE
MONUMENT BOX NOTES:
1. LIDS MUST FIT FLUSH TO FRAME ALL AROUND TO
PREVENT A TRIPPING HAZARD.
2. LIDS MUST BE FULLY SUPPORTED BY RIM ALL AROUND.
5 MONUMENT BOX
SCALE: NONE
10 7 8"
9 5 8" 9 18"
4"
1 4"5 8"
4"
WELD INSIDE AND
OUTSIDE CORNERS
WELD AT
BUTT JOINT
3 16
6"
4"
1" -1
1 2"
ATTACH CHAIN HERE
(INSIDE BOX)
ATTACH (WELD) 5"-7"
OF 3/16" (OR EQUIV.)
CHAIN (UNDERSIDE)
PLAN VIEW BOX
SECTION VIEW BOX
PLAN VIEW LID
SECTION VIEW LID
9 16 "10 7 8"
9 5 8" 9 18"
9 18"
1 8"
ATTACH (WELD) 5"-7"
OF 3/16" (OR EQUIV.)
CHAIN (UNDERSIDE)
9 18"
BUREAU OF ENGINEERING
DEPARTMENT OF PUBLIC WORKS
PR
IM
AR
Y
R
AM
P
| All Details 021326-CURB AND SIDEWALK 1 |
| All Details 021326-CURB AND SIDEWALK 1 |
| All Details 021326-CURB AND SIDEWALK 2 |
| All Details 021326-CURB AND SIDEWALK 2 |
| All Details 021326-CURB AND SIDEWALK 3 |
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