Project Details. The Design-Build Project consists of replacing a total of seven (7) bridges located in Halifax and ▇▇▇▇ Counties. Bridge No. 410138 shall be replaced on new alignment to the west side of the existing structure and utilize the existing structure as an on-site detour. The remaining bridges shall be constructed in place with off-site detours. The Design-Build Team shall be responsible for designing and constructing the bridge approaches to tie the new structures into the existing pavement in accordance with the NCDOT Sub Regional Tier Design Guidelines for Bridge Projects dated February 2008, as applicable, current NCDOT design standards, and NCDOT policies. The Design-Build Team shall make every effort to stay within the existing maintenance limits to reduce or eliminate the need for additional right of way or easements. All bridges are considered subregional. The Design-Build Team shall use Design Speed (unless otherwise noted herein), ADT, Travel Lane Width, and the Paved Shoulder Width as shown in the table below for the full length of the construction limits. The Design Build Team shall use the Out to Out Bridge Width as specified in the Structures Scope of Work. The lanes shall be striped to match existing travel lane widths. County Bridge No. Route Design Speed (mph) ADT Travel Lane Width (ft) Paved Shoulder (ft) Halifax 410014 SR 1001 55 490 12 3’-5” Halifax 410015 SR 1001 55 490 12 3’-5” Halifax 410065 SR 1100 55 205 11 4 Halifax 410066 SR 1100 55 205 11 4 Halifax 410134 SR 1310 55 630 10 0 Halifax 410138 SR 1309 35 270 10 0 Excluding Bridge No. 410138, at a minimum, the Design-Build Team shall construct full depth pavement in all areas of pavement removal, widening or re-alignment. In no case shall the existing pavement width be narrowed. At Bridge No. 410138, the Design-Build Team shall provide full depth pavement to the end of the guardrail from each end of the proposed structure. For the remainder of the construction limits, the Design-Build Team shall provide full depth ABC. A 0.025 cross slope shall be used in all normal crown sections. Unless otherwise noted herein, the length of overlay, wedging, and new pavement at each bridge site shall extend a minimum 300 feet total (excludes proposed bridge length). The Design-Build Team shall provide a grade for the project limits which provides the most desirable grade ties to existing within the project limits. • At Bridge Nos. 410014 and 410015; 410065 and 410066, the paved shoulder and overlay shall extend continuously between the bridges and to a minimum of 150 feet from the end (fill face) of the proposed structures. The guardrail shall extend continuously between the bridges. • At Bridge No. 630126, the paved shoulders shall be extended to the end of guardrail and then taper at an 8:1 ratio to the proposed edge of pavement. • Excluding Bridge No. 410138, the Design-Build Team shall pave to the face of guardrail for its full length and taper at an 8:1 ratio to the proposed edge of pavement. • At Bridge No. 410138, the Design-Build Team shall pave to the face of the guardrail for its full length and blunt end the pavement. • At Bridge No. 410138, the Design-Build Team shall leave the existing roadbed as is. • Outside the guardrail limits on the subregional tier, for all approaches with paved shoulders, the Design-Build Team shall provide a minimum of 2’-0” of graded shoulder from the edge of the pavement to the shoulder point. • The vertical alignment may be adjusted as needed by the Design-Build Team to assist in the attainment of FEMA compliance or to assist in minimizing hydraulic spread. (Reference the Hydraulic Scope of Work). • Unless noted otherwise elsewhere in the RFP, all guardrail should be designed and placed in accordance with the January 2012 NCDOT Standard Drawings and/or approved details in lieu of standards. Unless noted otherwise elsewhere in the RFP, for subregional bridges, the length of guardrail installed shall be based on the length provided in the NCDOT Sub Regional Tier Design Guidelines for Bridge Projects dated February 2008. • Excluding Bridge No. 410134, a crest vertical curve high point is permitted on a bridge or approach slab provided the Design-Build Team can demonstrate that (1) the design directs water off the travel lanes in an effective manner and (2) providing a tangent grade on the structure would create significant additional roadway approach work. In no case shall a sag vertical curve low point be located on any bridge or approach slab. • The Design-Build Team will be responsible for furnishing and placing concrete monuments for all proposed right of way acquired as part of this project. • The Department has met on-site with the agencies or obtained their comments at all bridge sites in this RFP. Any variations in the Design-Build Team’s proposed design and/or construction methods that nullify the decisions reached between the Department and the environmental agencies, and/or will require additional coordination with the environmental agencies shall be the sole responsibility of the Design-Build Team. The Department will not allow any contract time extensions or additional compensation associated with any coordination or approval process resulting from design and/or construction modifications. • Unless otherwise noted herein, reductions in design speeds in order to retain existing horizontal and vertical alignments will be allowed per the NCDOT Sub Regional Tier Guidelines dated February 2008; any further reductions will require a design exception. Other design exceptions will only be considered if the proposed criteria meet or exceed existing conditions. • The Design-Build Team shall maintain existing driveway access and/or relocate if necessary to accommodate construction. • Unless noted otherwise elsewhere in the RFP, the Design-Build Team may use asymmetrical widening about the existing bridge and roadway centerline where appropriate to minimize impacts to utilities and/or natural systems. • Bridge approach slabs are required at all bridge ends. The minimum bridge approach slab length shall be 12 feet for the subregional tier sites. • The Design-Build Team shall cooperate with the Resident on bus turnarounds and provide bus turnarounds with ABC as necessary for bridges not constructed during the summer.
Appears in 1 contract
Sources: Construction Contract
Project Details. The Design-Build Project consists of replacing a total of seven three (73) bridges and one (1) culvert with bridges, located in Halifax and ▇▇▇▇ CountiesColumbus County. Bridge Nos. 230026, 230032 and Culvert No. 410138 shall be replaced on new alignment to the west side of the existing structure and utilize the existing structure as an onBP-024-site detour. The remaining bridges 2270 shall be constructed in place with offutilizing on-site detours. Bridge No. 230033 shall be constructed in-place utilizing an off-site detour. • The Design-Build Team shall be responsible for designing and constructing the bridge approaches to tie the new structures structure into the existing pavement in accordance with the NCDOT Sub Regional Tier Design Guidelines for Bridge Projects dated February 2008, as applicable, current NCDOT design standards, standards and NCDOT policies. The Design-Build Team shall make every effort to stay within the existing maintenance limits right of way to reduce or eliminate the need for additional right of way or easements. • All bridges are considered subregionalsubregional tier. • A 0.025 normal crown shall be used on all bridge sites. • The Design-Build Team shall use Design Speed (unless otherwise noted herein), ADT, Travel Lane Width, and the Paved Shoulder Width as shown in the table below (unless otherwise noted herein) for the full length of the construction limits. The Design Build Team shall use the Out to Out-to-Out Bridge Width as specified in the Structures Scope of Work. The lanes shall be striped to match existing travel lane widths. County Bridge Structure No. Route Design Speed (mph) ADT Travel Lane Width (ft) Paved Shoulder (ft) Halifax 410014 Columbus 230026 SR 1001 1928 55 490 12 3’-5” Halifax 410015 SR 1001 55 490 12 3’-5” Halifax 410065 SR 1100 55 205 11 4 Halifax 410066 SR 1100 55 205 11 4 Halifax 410134 SR 1310 55 630 880 10 0 Halifax 410138 Columbus 230032 SR 1309 35 270 1928 55 880 10 0 Excluding Bridge No. 410138, at Columbus 230033 SR 1928 55 880 10 0 Columbus BP-024-2270 SR 1928 55 880 10 0 • At a minimum, the Design-Build Team shall construct full depth pavement in all areas of pavement removal, widening or re-alignment. In no case shall the existing pavement width be narrowed. • At Bridge Nos. 230026, 230032, 230033 and Culvert No. 410138, the DesignBP-024-Build Team shall provide full depth pavement to the end of the guardrail from each end of the proposed structure. For the remainder of the construction limits, the Design-Build Team shall provide full depth ABC. A 0.025 cross slope shall be used in all normal crown sections. Unless otherwise noted herein2270, the length of overlay, wedging, and new pavement at each bridge site shall extend a minimum 300 feet total (excludes proposed bridge length). The Design-Build Team shall provide a grade for the project limits which provides the most desirable grade ties to existing within the project limits. • At Bridge Nos. 410014 and 410015; 410065 and 410066, the paved shoulder and overlay shall extend continuously between the bridges and to a minimum of 150 feet from the end ends of the proposed structure (fill face) of the proposed structures. The guardrail shall extend continuously between the bridges). • At Bridge No. 630126, the paved shoulders Fabric and rock-plating shall be extended used for slopes steeper than 3:1 to the end of guardrail and then taper at an 8:1 ratio to the proposed edge of pavementreduce stream impacts. • Excluding Bridge No. 410138, the The Design-Build Team shall pave to the face of guardrail for its full length and taper at an 8:1 ratio to the proposed edge of pavement. • At Bridge No. 410138Unless noted otherwise elsewhere in the RFP, the Design-Build Team shall pave to the face of the guardrail for its full length and blunt end the pavement. • At Bridge No. 410138, the Design-Build Team shall leave may use asymmetrical widening about the existing roadbed as is. • Outside the guardrail limits on the subregional tier, for all approaches with paved shoulders, the Design-Build Team shall provide a minimum of 2’-0” of graded shoulder from the edge of the pavement bridge and roadway centerline where appropriate to the shoulder point. • The vertical alignment may be adjusted as needed by the Design-Build Team minimize impacts to assist in the attainment of FEMA compliance or to assist in minimizing hydraulic spread. (Reference the Hydraulic Scope of Work)utilities and/or natural systems. • Unless noted otherwise elsewhere in the RFP, all guardrail should be designed and placed in accordance with the January 2012 2018 NCDOT Standard Drawings and/or approved details in lieu of standards. Unless noted otherwise elsewhere in the RFP, for subregional bridges, the length of guardrail installed shall be based on the length provided in the NCDOT Sub Regional Tier Design Guidelines for Bridge Projects dated February 2008. • Excluding Bridge No. 410134, a A crest vertical curve high point is permitted on a bridge or approach slab provided the Design-Build Team can demonstrate that (1) the design directs water off the travel lanes in an effective manner and (2) providing a tangent grade on the structure would create significant additional roadway approach work. In no case shall a sag vertical curve low point be located on any bridge or approach slab. • The Design-Build Team will be responsible for furnishing and placing concrete monuments pin and caps for all proposed right of way acquired as part of this project. • The Department has met on-site with the agencies or obtained their comments at all bridge sites in this RFP. Any variations in the Design-Build Team’s proposed design and/or construction methods that nullify the decisions reached between the Department and the environmental agencies, and/or will require additional coordination with the environmental agencies shall be the sole responsibility of the Design-Build Team. The Department will not allow any contract time extensions or additional compensation associated with any coordination or approval process resulting from design and/or construction modifications. • Unless otherwise noted herein, reductions Reductions in design speeds in order to retain existing horizontal and vertical alignments will be allowed per the NCDOT Sub Regional Tier Guidelines dated February 2008; any further reductions will require a design exception. Other design exceptions will only be considered if the proposed criteria meet or exceed existing conditions. • The Design-Build Team shall maintain existing driveway access and/or relocate if necessary to accommodate construction. • Unless noted otherwise elsewhere in the RFP, vertical alignment may be adjusted as needed by the Design-Build Team may use asymmetrical widening about to assist in the existing bridge and roadway centerline where appropriate attainment of FEMA compliance or to minimize impacts to utilities and/or natural systemsassist in minimizing hydraulic spread (Reference the Hydraulic Scope of Work). • Bridge approach slabs are required at all bridge ends. The minimum bridge approach slab length shall be 12 feet for the subregional tier sites. • The Design-Build Team shall cooperate with the Resident on bus turnarounds and provide bus turnarounds with ABC as necessary for bridges not constructed during the summer.
Appears in 1 contract
Sources: Contract
Project Details. The Design-Build Project consists of replacing a total of seven eight (7) 8) bridges located in Halifax ▇▇▇▇▇▇▇▇ and ▇▇▇▇▇ Counties. Bridge No. 410138 500145 shall be replaced on new alignment to the west east side of the existing structure and utilize the existing structure as an on-site detour. Bridge No. 500432 shall be replaced by either (1) constructing the bridge in stages to maintain traffic on-site or (2) constructing a temporary one-lane two way on-site detour. The remaining bridges shall be constructed in place with off-site detours. The Design-Build Team shall be responsible for designing and constructing the bridge approaches to tie the new structures into the existing pavement in accordance with the NCDOT Sub Regional Tier Design Guidelines for Bridge Projects dated February 2008, as applicable, current NCDOT design standards, and NCDOT policies. The Design-Build Team shall make every effort to stay within the existing maintenance limits to reduce or eliminate the need for additional right of way or easements. All bridges are considered subregional. The Design-Build Team shall use Design Speed (unless otherwise noted herein), ADT, Travel Lane Width, and the Paved Shoulder Width as shown in the table below for the full length of the construction limits. The Design Build Team shall use the Out to Out Bridge Width as specified in the Structures Scope of Work. The lanes shall be striped to match existing travel lane widths. County Bridge No. Route Design Speed (mph) ADT Travel Lane Width (ft) Paved Shoulder (ft) Halifax 410014 ▇▇▇▇▇▇▇▇ 500046 SR 1001 1124 55 490 345 11 0 ▇▇▇▇▇▇▇▇ 500141 SR 1550 45 10,600 12 3’-5” Halifax 410015 4 ▇▇▇▇▇▇▇▇ 500145 SR 1001 1555 50 15,300 12 4 ▇▇▇▇▇▇▇▇ 500216 SR 2143 55 490 12 3’-5” Halifax 410065 SR 1100 55 205 11 4 Halifax 410066 SR 1100 55 205 11 4 Halifax 410134 SR 1310 55 630 900 10 0 Halifax 410138 ▇▇▇▇▇▇▇▇ 500231 SR 1309 35 270 2159 40 150 11 0 ▇▇▇▇▇▇▇▇ 500243 SR 2123 50 1000 10 2 ▇▇▇▇▇▇▇▇ 500432 SR 1738 30 130 10 0 ▇▇▇▇▇ 950133 SR 1127 55 1400 10 2 Excluding Bridge No. 410138, at At a minimum, the Design-Build Team shall construct full depth pavement in all areas of pavement removal, widening or re-alignment. In no case shall the existing pavement width be narrowed. At Bridge No. 410138500145, the Design-Build Team shall wedge/overlay a minimum of 100 feet beyond the alignment ties. At Bridge No. 500145, the Design-Build Team shall use a maximum superelevation of 4%. C203949 Roadway Scope of Work ▇▇▇▇▇▇▇▇ and ▇▇▇▇▇ Counties At Bridge No. 500145, the Design-Build Team shall provide a full depth pavement to 12-foot center turn lane across the end of bridge and approach slabs. On the guardrail from each end of the proposed structure. For the remainder of the construction limitssouthern approach, the Design-Build Team shall provide full depth ABCtaper out the center turn lane symmetrically to a point 300 feet from the end of the bridge approach slab back to the two lane roadway section. On the northern side, the Design-Build shall continue the turn lane to the intersection and then taper out symmetrically to a point 150 feet north of the intersection back to the two lane roadway section. At Bridge No. 500145, the Design-Build Team shall tie SR 1556 (Government Road) to SR 1555 (▇▇▇▇▇▇ Mill Road) to the north side of the bridge using 12 foot travel lane widths with 4 foot paved shoulders, including 8:1 tapers, to the end of the construction limits. At Bridge No. 500145, the existing approaches shall be obliterated in accordance with Section 808 of the Standard Specifications, including removal of pavement, grading to restore drainage, match surrounding conditions and establishment of permanent vegetation. The Design-Build Team shall remove the embankment on the south side of Swift Creek a distance of 50 feet back from the existing bridge abutment, providing a proposed 3:1 slope to an elevation to match natural ground on the east side of the existing embankment. The existing concrete slope protection on the south side shall be removed to match the natural ground elevation on the east side of the embankment. A 0.025 cross slope shall be used in all normal crown sections. Unless otherwise noted herein, the length of overlay, wedging, and new pavement at each bridge site shall extend a minimum 300 feet total (excludes proposed bridge length). The Design-Build Team shall provide a grade for the project limits which provides the most desirable grade ties to existing within the project limits. • At Bridge Nos. 410014 5000243 and 410015; 410065 and 410066, the paved shoulder and overlay shall extend continuously between the bridges and to a minimum of 150 feet from the end (fill face) of the proposed structures. The guardrail shall extend continuously between the bridges. • At Bridge No. 630126950133, the paved shoulders shall be extended extend to the end of guardrail and then taper at an 8:1 ratio to the proposed edge of pavement. • Excluding At Bridge NoNos. 410138500141 and 500145, the paved shoulders, including 8:1 taper, shall extend to the end of the construction limits. The Design-Build Team shall pave to the face of guardrail for its full length and taper at an 8:1 ratio to the proposed edge of pavement. • At Bridge No. 410138, the Design-Build Team shall pave to the face of the guardrail for its full length and blunt end the pavement. • At Bridge No. 410138, the Design-Build Team shall leave the existing roadbed as is. • Outside the guardrail limits on the subregional tier, for all approaches with paved shoulders, the Design-Build Team shall provide a minimum of 2’-0” of graded shoulder from the edge of the pavement to the shoulder point. • The vertical alignment may be adjusted as needed by the Design-Build Team to assist in the attainment of FEMA compliance or to assist in minimizing hydraulic spread. (Reference the Hydraulic Scope of Work). • Unless noted otherwise elsewhere in the RFP, all guardrail should be designed and placed in accordance with the January 2012 NCDOT Standard Drawings and/or approved details in lieu of standards. Unless noted otherwise elsewhere in the RFP, for subregional bridges, the length of guardrail installed shall be based on the length provided in the NCDOT Sub Regional Tier Design Guidelines for Bridge Projects dated February 2008. • Excluding At Bridge Nos. 500141 and 500243, the Design-Build Team shall provide guardrail that matches the length of the existing guardrail. At Bridge No. 410134500243, the Design-Build Team shall maintain a pull out area behind guardrail in the southeast quadrant by providing 12 feet from back of guardrail to shoulder point. At Bridge No. 500216, the Design-Build Team shall maintain the existing alignment to avoid the jurisdictional features in both western quadrants. The Design-Build Team shall maintain normal crown on the bridge. At Bridge No. 500141, the Design-Build Team shall not impact the NCDOT Mitigation Site in the Southwest Quadrant. At Bridge No. 500231, the Design-Build Team shall relocate the driveway in the Southeast Quadrant and provide full length of guardrail. At Bridge No. 950133, the Design-Build Team shall relocate the concrete driveway in the Southeast Quadrant and provide full length of guardrail. At Bridge No. 950133, the Design-Build Team shall maintain the existing alignment and relocate the jurisdictional feature in the Southeast Quadrant. A crest vertical curve high point is permitted on a bridge or approach slab provided the Design-Build Team can demonstrate that (1) the design directs water off the travel lanes in an effective manner and (2) providing a tangent grade on the structure would create significant additional roadway approach work. In no case shall a sag vertical curve low point be located on any bridge or approach slab. • The Design-Build Team will be responsible for furnishing and placing concrete monuments for all proposed right of way acquired as part of this project. • The Department has met on-site with the agencies or obtained their comments at all bridge sites in this RFP. Any variations in the Design-Build Team’s proposed design and/or construction methods that nullify the decisions reached between the Department and the environmental agencies, and/or will require additional coordination with the environmental agencies shall be the sole responsibility of the Design-Build Team. The Department will not allow any contract time extensions or additional compensation associated with any coordination or approval process resulting from design and/or construction modifications. • Unless otherwise noted hereinotherwise, reductions in design speeds in order to retain existing horizontal and vertical alignments will be allowed per the NCDOT Sub Regional Tier Guidelines dated February 2008; any further reductions will require a design exception. Other design exceptions will only be considered if the proposed criteria meet or exceed existing conditions. • The Design-Build Team shall maintain existing driveway access and/or relocate if necessary to accommodate construction. • Unless noted otherwise elsewhere in the RFP, the Design-Build Team may use asymmetrical widening about the existing bridge and roadway centerline where appropriate to minimize impacts to utilities and/or natural systems. • Bridge approach slabs are required at all bridge ends. The minimum bridge approach slab length shall be 12 feet for the subregional tier all sites. • The Design-Build Team shall cooperate with the Resident on bus turnarounds and provide bus turnarounds with ABC as necessary for bridges not constructed during the summer.
Appears in 1 contract
Sources: Roadway & Structure Contract