104.16 Modification of Existing Signs
CATEGORY 100 PRELIMINARY SECTION 104.16 — MODIFICATION OF EXISTING SIGNS
104.16.01 Description
Relocate, remove, cover, modify copy, reinstall, or change existing highway signs relating to the construction activity. This work is in addition to the temporary traffic signs specified in 104.08.
104.16.02 Material
Sign Panel Supports and Hardware 909.07, 921.05, 921.06, 950.04, A123, A153, and A709 Reflective and Non-reflective Sheeting 950.03 Sign Materials 950.08 Use an approved opaque sign covering material.
104.16.03 Construction
Modify existing signs as specified.
104.16.04 Measurement and Payment
Modification of existing signs will be measured and paid for using one or more of the items listed below and specified in the contract documents. The payment will be full compensation for all excavation, backfill, and for all material, labor, equipment, tools, and incidentals necessary to complete the work.
a.Relocate Wood Sign Supports per each support.
b.Sign Modifications to Overhead Sign Structures per square foot. (c) Relocate Sign per square foot. (d) Remove Sign per square foot. (e) Modify Copy per each character. (f) Install or Remove Shield per each. 2025 STANDARD SPECIFICATIONS FOR CONSTRUCTION AND MATERIALS
104.16 Modification of Existing Signs
g.Cover Sign per square foot.
h.Relocate Sign Luminaire per each. 2025 STANDARD SPECIFICATIONS FOR CONSTRUCTION AND MATERIALS
104.17 Temporary Movable Type Concrete Traffic Barrier (Mctb)
CATEGORY 100 PRELIMINARY SECTION 104.17 — TEMPORARY MOVABLE TYPE CONCRETE TRAFFIC BARRIER (MCTB)
104.17.01 Description
Furnish, place, assemble, maintain, move, and remove and dispose of movable interlocking type concrete traffic barrier. Movable barrier systems shall consist of individual units that remain connected for the total length when being moved in one continuous operation.
104.17.02 Material
Precast Movable Concrete Barrier and Transfer Device QPL Reflective Barrier Markers QPL MCTB shall conform to NCHRP Report 350 and/or MASH 2016 criteria for Test Level 3.
104.17.03 Construction
Perform all transfer shifts using the transfer device. The transfer device shall be capable of moving and transferring the barrier as required, and of operating on the curve and grades specified. Ensure that the device does not extend into traffic. The Engineer will inspect the movable barrier upon delivery and throughout the life of the project. Replace any damaged or defective units as directed. Install reflective barrier markers as specified. Maintain the barrier and reflective barrier markers in a like new condition. Perform all maintenance operations for the transfer device. Have sufficient spare parts and personnel available to ensure that the required lane configurations are in place at the required times. Failure to move the MCTB at the proper time will be cause for penalty under TC-4.02.
104.17.04 Measurement and Payment
The payment will be full compensation for all material, labor, equipment, tools, and incidentals necessary to complete the work.
a.The initial installation of the Temporary Movable Type Concrete Traffic Barrier will be measured and paid for at the Contract unit price per linear foot measured in place from end to end. 2025 STANDARD SPECIFICATIONS FOR CONSTRUCTION AND MATERIALS
Source: Maryland Standard Specifications for Construction and Materials, 2025 Edition. Pages 185–186 of 1,113.