Lamar County Revised Guardrail Packet Revised.pdf

Guardrail Repair and Replacement Plan For Zebulon and Old GA 41

Revised July 30, 2024

GUARDRAIL REPAIR PLANS

FOR

LAMAR COUNTY GEORGIA

GUARDRAIL REPAIR AND REPLACEMENT PLAN

For select locations on Zebulon Road and Old GA 41

June 28, 2024

(Revised July 30, 2024 per Addendum #1)

PREPARED FOR

LAMAR COUNTY

by

EXP US Services, Inc.

512 Riverside Parkway, Rome, GA 30161

SCOPE OF WORK:

Replace old and damaged guardrail assemblies at the specified locations with a new complete installations as shown in the attached site location details and GDOT Standards. The existing shoulder widths and shoulder grades appear to be relatively consistent with the requirements of the specified GDOT Standards used for this project. Shoulder grading and additional fill material for TP 12 anchors, if it should be necessary, as specified in the GDOT Standards for the would be provided by the contractor.

The Project Site 1 is located on Zebulon Road along the bridge approaches approximately 2.91 miles South of

SR-41 and 1.89 miles North of Highway 18. The Existing Guardrail was structurally compromised and identified for complete replacement. All existing guardrail at the site is in place with no apparent anchorages.

The Project Site 2 is located on Old GA-41 along the bridge approaches over the Railroad tracks near Yancy

Road approximately 2.62 miles North of SR 41 and 6.08 miles South of Highway 16. The Existing Guardrail was structurally compromised and identified for complete replacement. All existing guardrail at the site is in place with no apparent anchorages.

PROJECT NOTES:

All work shall conform to the Georgia Department of Transportation’s (GDOT) Standard Specifications

Construction of Transportation Systems, Current Edition; GDOT’s Supplemental Specifications Construction of

Transportation Systems, Current Edition; and all applicable GDOT Standards and Details; and other contract requirements, specifications and general conditions.

Zebulon Road has a local roadway classification with a traffic volume ADT of 590 V.P.D.. The speed of the actual site of guardrail is 45mph. The Existing shoulder is 8’ from edge of pavement. On the bridge the existing rail/barrier curb height is 15” and the existing width is 27”.

Old GA 41 has a local roadway classification with a traffic volume ADT of 2,420 V.P.D. first on a northbound rout to 2,520 V.P.D. second on a northbound route. The speed of the actual site of guardrail is 45mph. The existing shoulder is 12’. The existing bridge rail/barrier curb height is 15” with a 27” width.

The Guardrail shall be constructed with a minimum offset of 8’ from the edge of the travel lane for Old GA-41 and constructed with a minimum offset of 6’ from the edge of the travel lane for Zebulon Rd. All guardrail segments will be transitioned to an approximate 4 ft offset at the bridge connections utilizing GA Standard

4013 Turned Down W-Beam Type 5 Anchorages.

This Guardrail Replacement Plan does not specify repairs or modifications to existing concrete bridge railings.

Any repairs to concrete bridge rails will be performed separately by Lamar County.

The Contractor is responsible for the removal and disposal of old/damaged guardrail hardware being replaced.

The Contractor is responsible for all traffic control and lane closures that may be necessary.

SUMMARY OF QUANTITIES FOR ZEBULON RD:

ITEM DESCRIPTION UNIT QUAN

150-1000 Traffic Control-Guardrail LS LS

151-1000 Mobilization for Guardrail Install LS LS

641-1100 Guardrail, TP T LF 250 LF

641-1200 Guardrail, TP W LF 150 LF

641-5005 Guardrail Anchorage, TP 5, Complete EA 4

641-5001 Guardrail Anchorage, TP 1, Complete EA 2 EA

641-5015 Guardrail Terminal, TP 12A, 31 IN, Tangent, Energy-Absorbing EA 2 EA

610-1055 REM Guardrail LF 350 LF

610-1075 REM Guardrail Anch, All Types EA N/A

SUMMARY OF QUANTITIES FOR OLD GA-41:

ITEM DESCRIPTION UNIT QUAN

150-1000 Traffic Control-Guardrail LS LS

151-1000 Mobilization for Guardrail Install LS LS

641-1100 Guardrail, TP T LF 250 LF

641-1200 Guardrail, TP W LF 1,631 LF

641-5005 Guardrail Anchorage, TP 5, Complete EA 4

641-5001 Guardrail Anchorage, TP 1, Complete EA 2 EA

641-5015 Guardrail Terminal, TP 12A, 31 IN, Tangent, Energy-Absorbing EA 2 EA

610-1055 REM Guardrail LF 2,050 LF

COMBINED SUMMARY OF QUANTITIES AND DETAILED ESTIMATE:

ITEM DESCRIPTION UNIT QUAN UNIT COST ITEM TOTAL

150-1000 Traffic Control-Guardrail LS LS

151-1000 Mobilization for Guardrail Install LS LS

641-1100 Guardrail, TP T LF 500

641-1200 Guardrail, TP W LF 1,781

641-5005 Guardrail Anchorage, TP 5, Complete EA 8

641-5001 Guardrail Anchorage, TP 1, Complete EA 4

641-5015 Guardrail Terminal, TP 12A, 31 IN, Tangent, Energy-Absorbing EA 4

610-1055 REM Guardrail LF 2400

Totals hopkinse Text Box 7/30/2024 Revision: Insert 62.5 LF of T Beam GR as shown in GA STD 4391 at all bridge TP 5 anchorage connections. W Beam GR qty for each section is reduced by the amount of T Beam being used.

hopkinse Text Box 7/30/2024 Revision: Insert 62.5 LF of T Beam GR as shown in GA STD 4391 at all bridge TP 5 anchorage connections. W Beam GR qty for each section is reduced by the amount of T Beam being used.