240041 SOW.pdf

Scope of Work Replace Holcomb Blvd Culvert Pipe

Project # 24-0041

GENERAL DESCRIPTION:

This project will demolish and replace existing reinforced concrete pipe (RCP), drop inlets, and concrete headwall that runs under Holcomb Blvd near the intersection of Holcomb Blvd and Brewster Blvd. The pipe will be replaced with Class V 18” RCP. The headwall will be cast in place concrete. The drop inlets will be precast concrete. The outfall has a buildup of stone and sediment that will need to be cleaned out to restore flow to the swale.

DETAILED REQUIREMENTS:

Demo Notes:

1. Contractor shall measure and record all inverts and elevations prior to demolition.

2. All demolition debris must be disposed of off base.

3. All demolition shall be performed in a manner that protects adjacent roadway, utilities, and features that are to remain.

4. Existing roadway surface and base material shall be sawcut and removed as required for removal of the pipe and structures.

5. Contractor shall provide all necessary sheeting, shoring, dewatering, and safety measures required for demolition activities.

6. Asbestos-containing material (ACM) utilities may be present in the limits of disturbance. Any ACM encountered must be properly tested, abated, and disposed of.

New Work Notes:

1. Install approximately 230’ of new Class V 18” RCP in the locations shown on the plans.

2. Install 1 new cast in place or headwall and 2 new precast drop inlets in the locations shown on the plans.

3. Install the rip rap at the discharge point of the new RCP

4. Any existing pavement markings in the vicinity of the project limits that are damaged during demolition or construction must be repaired or replaced to match the original to the contracting officer’s satisfaction.

5. Ensure pipe bedding is stabilized prior to placement of pipe.

GENERAL NOTES:

1. Contractor shall locate all underground utilities, including telecommunications and commercial cabling, prior to ground disturbing activities.

2. Contractor shall field verify all measurements.

3. Preserve and protect all existing utilities, including telecommunications and commercial cabling.

4. Contractor is responsible for any damage to utilities, including telecommunications and commercial cabling.

5. Contractor is responsible to coordinate commercial cabling with commercial cabling providers

6. All utility work shall be in accordance with applicable state and local codes.

7. Contractor shall coordinate all construction activities with ROICC, I&E, and base utilities.

8. Sod any disturbed areas upon completion of construction.

9. Jobsite shall be kept clear of all debris and trash.

10. Contractor shall be responsible for all aspects of environmental, health and safety (EHS). Contractor shall be responsible for complying with its policies and procedures related to EHS matters.

TRAFFIC CONTROL NOTES:

1. The contractor is responsible for all pedestrian and vehicular traffic detours and must provide appropriate signage and barricades in accordance with all base, state, and federal requirements. Traffic control plan should be submitted to contracting officer and engineer for approval a minimum of 21 days before starting work.

2. Two way traffic must be maintained on Holcomb Blvd as well as access to Brewster Blvd and the water plant to the east of the site. All road and lane closures must be requested and approved by the contracting officer prior to closing of any roadways.

3. All road closures must be submitted to the contracting office a minimum of 21 days prior to the required date of closure and must include a traffic control plan in accordance with MUTCD and EM 385-1-1.

4. Follow all NC DOT traffic control requirements for lane closures and temporary crossovers as noted on sheets C506 and C507.