6-Type D Drive Approach 8-2017.pdf
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- Attached to
- 2026 Storm Drain Projects State and local contract opportunity
- Solicitation number
- Not on record
- Issued by
- Utah
About this file
This is a technical specification document for Type D Drive Approach construction standards issued by Bountiful City, Utah for street improvement projects. The specification details the design and construction requirements for driveway approaches, including concrete walk specifications, curb and gutter installation, and structural reinforcement standards. The document establishes minimum and maximum dimensions for drive approach construction, with concrete walk lengths ranging from 12 feet minimum to 30 feet maximum, and specifies a minimum 6-inch thickness concrete walk throughout the driveway. The project involves removal of existing curb and gutter to construct wing walls, with authorization from the Bountiful City Engineer required prior to construction. All concrete must meet Class 4000 specifications per APWA standards, with specific requirements for placement, curing, and compaction of subgrade materials to 95 percent minimum density using modified Proctor testing methods.
The specification mandates epoxy-coated rebar for reinforcement, with 6 inches of road base minimum under all new concrete, and requires straight metal forms for all tangent sections and curb radii of 150 feet or greater. Concrete removal and asphalt cutting must be sawcut to full depth with straight lines, with a minimum 3-foot width of asphalt removal in front of each drive approach. Curing shall be achieved through application of curing compound per current APWA specifications. The specification was revised in August 2017 and serves as the standard for Type D drive approach construction within Bountiful City's street improvement program, applicable to the 2026 replacement and new construction of sidewalk, curb and gutter, and storm drain facilities at random locations throughout the city.
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Text version
2 #4 BARS
CONTINUOUS
4' WALK
C & G
3'-0"
LENGTH TO BE MEASURED FOR
DRIVE APPROACH PAYMENT
12' MINIMUM / 30' MAXIMUM
MINIMUM 6" THICK CONCRETE WALK
THROUGH DRIVEWAY
BOUNTIFUL STANDARD
TYPE D DRIVE APPROACH
OVER-PASS TYPE DRIVE APPROACH
SECTION A-A
PLAN VIEW
NOTES
A
A
1/2" EXPANSION
JOINT MATERIAL
(TYP. 4')
PARK
STRIP
VARIES
2 #4 BAR CONTINUOUS
3'-0"
6"
18' MINIMUM3'-0" 3'-0"
INCLUDE AS PART OF DRIVE APPROACH PAYMENT
ARMCO 14 GAUGE TYPE D
CURB & GUTTER
PAN SECTION
4' WALKVARIES
7"
18"
6"
3.5" MINIMUM
COVER
6" MINIMUM
CLEARANCE
6" MINIMUM
THROUGHOUT
6" MAXIMUM
FALL
FIRST POUR
SECOND POUR
6" ROAD
BASE
ARMCO 14" GAUGE TYPE D
CURB & GUTTER PAN SECTION
6" MIN. CLEARANCE
AUTHORIZATION OF BOUNTIFUL CITY ENGINEER REQUIRED FOR USE
REMOVE EXISTING
CURB & GUTTER TO
CONSTRUCT WING WALLS
1. CONCRETE: CLASS 4000 PER APWA SECTION 03304. PLACE PER APWA SECTION 02770. CURE PER APWA SECTION 03390
2. COMPACT EXISTING SUBGRADE 95% MINIMUM (MODIFIED PROCTOR).
3. CURING BY APPLICATION OF CURING COMPOUND PER CURRENT APWA SPECIFICATIONS.
4. WHERE CONCRETE, OR ASPHALT IS TO BE REMOVED, THE MATERIAL MUST BE SAWCUT TO FULL DEPTH WITH STRAIGHT LINES.
MINIMUM WIDTH OF ASPHALT REMOVAL IN FRONT OF A DRIVE APPROACH IS 3 FT- 0 INCHES.
5. 6" ROAD BASE MINIMUM UNDER ALL NEW CONCRETE.
6. EPOXY COATED REBAR REQUIRED.
7. STRAIGHT METAL FORMS REQUIRED FOR ALL TANGENT SECTIONS OR WHERE THE CURB RADIUS IS NOT LESS THAN 150 FT.
REVISED 8/2017
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