5-EXHIBIT D - CONSTRUCTION DETAILS.pdf
PDF 549 KB Posted
- Attached to
- City-Wide Sidewalk Removal & Replacement
- Solicitation number
- IFB# 2026-040-RC-06
- Issued by
- Williamson County, Texas
About this file
This file contains construction standards and details issued by the City of Hutto, Texas, establishing specifications for sidewalk removal and replacement work related to a city-wide infrastructure project. The document provides technical requirements for typical replacement sidewalk details (CH-ST-01R), alternative sidewalk replacement details (CH-ST-02R), and curb ramp texture details (CH-ST-08) that contractors must follow when executing the approximately 792 square yards of sidewalk replacement and four ADA-compliant curb ramp installation work throughout the city. All sidewalk construction must utilize Class "A" 3000 PSI concrete with a minimum 4-inch depth, comply with Americans with Disabilities Act standards, and conform to specifications referenced from the City of Austin and Texas Department of Transportation. The project requires a pre-bid meeting scheduled for May 13, 2026, at 2:00 PM CST via Microsoft Teams, with sealed bid opening on June 3, 2026, at 2:00 PM CST.
The construction standards specify that standard sidewalk location shall be positioned off the back of curb with a minimum 4-foot width and maximum slope of 1.5 percent, supported by either 8 inches of cement-stabilized subgrade per City of Austin specifications or 6 inches of TXDOT Type A or D material compacted to 95 percent maximum dry density. The typical replacement sidewalk detail includes rebar mats of #3 bars placed 18 inches on-center at mid-depth, supported by concrete bricks and separated from forms by at least 3 inches, with 16-inch smooth dowels at expansion joints spaced 25 feet on-center maximum. The alternative sidewalk detail specifies 5-inch minimum concrete depth with fibrous concrete reinforcement per City of Austin Standard Specification 407S. Curb ramps must feature truncated dome detectable warning surfaces using cast-in-place cast iron panels manufactured by East Jordan Iron Works or Neenah Foundry, with minimum 4-foot width and maximum 4-inch side flares, and must incorporate 12-inch spaced dowels from curb to ramp. All work requires approval from the Texas Department of Licensing and Regulation regarding texture, grade, and alignment variations.
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Text version
STANDARD NO.
THE ARCHITECT/ENGINEER ASSUMES
RESPONSIBILITY FOR APPROPRIATE USE
OF THIS STANDARD.
CH-ST-01R
TYPICAL REPLACEMENT SIDEWALK DETAILThe City of Hutto Construction Standards and Details
CURRENT AS OF
10/01/2023
AutoCAD SHX Text 5'-0"
AutoCAD SHX Text 5'-0"
AutoCAD SHX Text
4-0" MINIMUM
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4" DEPTH (MIN.)
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PLAN
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VARIES
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4'-0" MINIMUM
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VARIES
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SLOPE: 1.5%%% (MAXIMUM)
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PROPERTY LINE.
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4" (MIN.)
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CLASS "A" 3000 PSI CONCRETE.
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SECTION
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1/4"/FOOT
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1%%% (MINIMUM)
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2' (MIN.)
AutoCAD SHX Text 1/4"
AutoCAD SHX Text 3/4"
AutoCAD SHX Text 3/8"
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CONTROL JOINT
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CONTROL JOINT DETAIL
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ASPHALTIC CONCRETE
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SURFACE COURSE.
AutoCAD SHX Text 8" CEMENT STABILIZED SUBGRADE PER CITY OF AUSTIN STANDARD SPECIFICATION ITEM NO. 204S OR 6" TXDOT TYPE A OR TYPE D COMPACTED TO 95% MAX DRY DENSITY
AutoCAD SHX Text 4"
AutoCAD SHX Text 4"
AutoCAD SHX Text 1 MAT OF #3 BARS MID DEPTH PLACED 18" O.C.E.W MAX. REBAR MAT MUST BE SUPPORTED WITH SOLID CONCRETE BRICKS, MIN 3"x3", MAX. 4"x4", OR OTHER APPROVED METHODS. IN NO INSTANCE SHALL THE STEEL BE PLACED DIRECTLY ON SAND CUSHION OR SUBGRADE. REBAR MUST BE SEPARATED FROM FORMS BY AT LEAST 3".
AutoCAD SHX Text NOTES: 1. FOR ROLLER STAMPED SIDEWALK: MATCH TO SPECIFICATIONS. FOR ROLLER STAMPED SIDEWALK: MATCH TO SPECIFICATIONS. 2. STANDARD LOCATION OF SIDEWALK IS OFF BACK OF CURB. SPECIAL DESIGNS MAY BE APPROVED BY STANDARD LOCATION OF SIDEWALK IS OFF BACK OF CURB. SPECIAL DESIGNS MAY BE APPROVED BY THE CITY ENGINEER, PRIOR TO FINAL DESIGN. 3. SIDEWALK SHALL CONFORM TO CURRENT AMERICANS WITH DISABILITIES ACT STANDARDS. SIDEWALK SHALL CONFORM TO CURRENT AMERICANS WITH DISABILITIES ACT STANDARDS. 4. IF REQUIRED ALL SIDEWALKS SHALL BE SUBMITTED AND APPROVED BY THE TEXAS DEPARTMENT OF IF REQUIRED ALL SIDEWALKS SHALL BE SUBMITTED AND APPROVED BY THE TEXAS DEPARTMENT OF LICENSING AND REGULATION BY THE ENGINEER OF RECORD. 5. ANY VARIANCE IN TEXTURE, GRADE OR ALIGNMENT MUST BE APPROVED BY THE TEXAS DEPARTMENT OF ANY VARIANCE IN TEXTURE, GRADE OR ALIGNMENT MUST BE APPROVED BY THE TEXAS DEPARTMENT OF LICENSING AND REGULATION.
AutoCAD SHX Text 16" SMOOTH DOWELS WITH DOWEL COATING/SLEEVE PER EXPANSION JOINT ON DETAIL ST03: RESIDENTIAL DWY.
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1/2" PREMOLDED AND CAULKED EXPANSION JOINT AT 25'-0" CENTER TO CENTER MAX.
AutoCAD SHX Text
16" SMOOTH DOWELS AT SIDEWALK-DRIVEWAY/CURB RAMP OR OTHER SIMILAR JOINT.
RESPONSIBILITY FOR APPROPRIATE USE
OF THIS STANDARD.
CH-ST-02R
ALTERNATIVE SIDEWALK REPLACEMENT DETAILThe City of Hutto Construction Standards and Details
CURRENT AS OF
10/01/2023
AutoCAD SHX Text 5'-0"
AutoCAD SHX Text 5'-0"
AutoCAD SHX Text
4'-0" MINIMUM
AutoCAD SHX Text
4" DEPTH (MIN.)
AutoCAD SHX Text
PLAN
AutoCAD SHX Text
VARIES
AutoCAD SHX Text
4'-0" MINIMUM
AutoCAD SHX Text
VARIES
AutoCAD SHX Text
SLOPE: 1.5%%% (MAXIMUM)
AutoCAD SHX Text
PROPERTY LINE.
AutoCAD SHX Text
5" (MIN.)
AutoCAD SHX Text
CLASS "A" 3000 PSI CONCRETE.
AutoCAD SHX Text
SECTION
AutoCAD SHX Text
1/4"/FOOT
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1%%% (MINIMUM)
AutoCAD SHX Text
2' (MIN.)
AutoCAD SHX Text 1/4"
AutoCAD SHX Text 3/4"
AutoCAD SHX Text 3/8"
AutoCAD SHX Text
CONTROL JOINT
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CONTROL JOINT DETAIL
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ASPHALTIC CONCRETE
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SURFACE COURSE.
AutoCAD SHX Text 8" CEMENT STABILIZED SUBGRADE PER CITY OF AUSTIN STANDARD SPECIFICATION ITEM NO. 204S OR 6" TXDOT TYPE A OR TYPE D COMPACTED TO 95% MAX DRY DENSITY
AutoCAD SHX Text 6"
AutoCAD SHX Text 6"
AutoCAD SHX Text 5" MINIMUM CLASS "A" CONCRETE. REINFORCEMENT SHOULD BE IN ACCORDANCE WITH CITY OF AUSTIN STANDARD SPECIFICATION 407S "FIBROUS CONCRETE"
AutoCAD SHX Text NOTES: 1. FOR ROLLER STAMPED SIDEWALK: MATCH TO SPECIFICATIONS. FOR ROLLER STAMPED SIDEWALK: MATCH TO SPECIFICATIONS. 2. STANDARD LOCATION OF SIDEWALK IS OFF BACK OF CURB. SPECIAL DESIGNS MAY BE APPROVED BY STANDARD LOCATION OF SIDEWALK IS OFF BACK OF CURB. SPECIAL DESIGNS MAY BE APPROVED BY THE CITY ENGINEER, PRIOR TO FINAL DESIGN. 3. SIDEWALK SHALL CONFORM TO CURRENT AMERICANS WITH DISABILITIES ACT STANDARDS. SIDEWALK SHALL CONFORM TO CURRENT AMERICANS WITH DISABILITIES ACT STANDARDS. 4. IF REQUIRED ALL SIDEWALKS SHALL BE SUBMITTED AND APPROVED BY THE TEXAS DEPARTMENT OF IF REQUIRED ALL SIDEWALKS SHALL BE SUBMITTED AND APPROVED BY THE TEXAS DEPARTMENT OF LICENSING AND REGULATION BY THE ENGINEER OF RECORD. 5. ANY VARIANCE IN TEXTURE, GRADE OR ALIGNMENT MUST BE APPROVED BY THE TEXAS DEPARTMENT OF ANY VARIANCE IN TEXTURE, GRADE OR ALIGNMENT MUST BE APPROVED BY THE TEXAS DEPARTMENT OF LICENSING AND REGULATION. 6. CURING COMPOUND PER SPECIFICATION.CURING COMPOUND PER SPECIFICATION.
AutoCAD SHX Text 16" SMOOTH DOWELS WITH DOWEL COATING/SLEEVE PER EXPANSION JOINT ON DETAIL ST03: RESIDENTIAL DWY.
AutoCAD SHX Text
1/2" PREMOLDED AND CAULKED EXPANSION JOINT AT 25'-0" CENTER TO CENTER MAX.
16" SMOOTH DOWELS AT SIDEWALK-DRIVEWAY/CURB RAMP OR OTHER SIMILAR JOINT.
RESPONSIBILITY FOR APPROPRIATE USE
OF THIS STANDARD.
CH-ST-08
CURB RAMP TEXTURE DETAILThe City of Hutto Construction Standards and Details
CURRENT AS OF
10/01/2023
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%%UTRUNCATED DOME PATTERN CURB RAMP
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EXPANSION JOINT AS REQUIRED
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CONTROL JOINT PERMISSIBLE
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PER DETAIL ST01
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PER DETAIL ST01
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%%USECTION A-A
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%%UTRUNCATED DOME SURFACE
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CLASS "A" 3,000 PSI CONCRETE - SHALL CONFORM TO APPLICABLE SPECIFICATION
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TRUNCATED DOME SURFACE
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SIDE FLARE (TYPICAL)
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SIDE FLARE (TYPICAL)
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MAX. 4"
AutoCAD SHX Text A
AutoCAD SHX Text A
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MAX. 4"
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MAX. 4"
AutoCAD SHX Text 24"
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OF DOMES
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4' MIN WIDTH
AutoCAD SHX Text NOTES 1. CURB RAMP AND DETECTABLE WARNING MATERIALS MUST BE CURB RAMP AND DETECTABLE WARNING MATERIALS MUST BE COMPLIANT WITH CURRENT ADA STANDARDS FOR ACCESSIBILITY DESIGN AND TEXAS ACCESSIBILITY STANDARDS (TAS). 2. DETECTABLE WARNING PANELS SHALL BE CAST-IN-PLACE CAST IRON DETECTABLE WARNING PANELS SHALL BE CAST-IN-PLACE CAST IRON DETECTABLE WARNING PLATES MANUFACTURED BY EAST JORDAN IRON WORKS OR NEENAH FOUNDRY. 3. DETECTABLE WARNING PANEL TO BE CONTRASTING COLOR TO THE DETECTABLE WARNING PANEL TO BE CONTRASTING COLOR TO THE ADJACENT SURFACES AND NOTED ON PLANS. (ADJACENT SURFACES INCLUDE THE FLARES) 4. REINFORCEMENT AND JOINTS TO BE INSTALLED PER CITY OF HUTTO REINFORCEMENT AND JOINTS TO BE INSTALLED PER CITY OF HUTTO DETAIL ST01.
AutoCAD SHX Text
TRUNCATED DOME SURFACE
AutoCAD SHX Text
12" SPACED DOWELS FROM CURB TO RAMP
AutoCAD SHX Text 2.4"
AutoCAD SHX Text 0.90"
0.45"
| SPECS - ALTERNATIVE SW.pdf |
| Sheets and Views |
| Model |
| SPECS - STANDARD SW.pdf |
| Sheets and Views |
| Model |
| SPECS - CURB RAMP TEXTURE DETAIL.pdf |
| Sheets and Views |
| Model |
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