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The Contractor will not be permitted to move over or operate on any road (except on the road under construction) any power shovels, rollers, concrete mixers, cranes, tractors, or any other heavy equipment of weight or dimensions in excess of Maryland Motor Vehicle Law or Administration's regulations without first obtaining the usual permit. In case of permits for oversize and overweight vehicle movements, attention is directed to Maryland Motor Vehicle Laws requiring the Administration to collect a fee on every such vehicle movement using highways of the State. The payment of and securing of such permit is required irrespective of whether the movement is in connection with a subject Contract or for other purposes


The Bidder's attention is directed to the Annotated Code of Maryland, Transportation Article, Section 24-206, authorizing the appropriate County authorities of the counties listed below, to establish such load limits and appropriate speed limits on County roads as may be necessary to preserve the roads and provide adequately for public safety. The Bidder is advised to consult with the County Engineer in order to ascertain the extent of any restrictions applicable to County roads that the County authorities may propose to establish in connection with the construction of a Contract.


Allegany (AL)
Anne Arundel (AA)
Baltimore (BA)
Carroll (CL)
Frederick (FR)
Harford (HA)
Howard (HO)
Montgomery (MO)
Prince George’s (PG)
St. Mary’s (SM)
Washington (WA)


The Maryland Vehicle Law requires each motor vehicle, trailer, semitrailer, and pole trailer driven on a highway to be registered.
There are some exceptions to this general requirement concerning nonresidents. If a nonresident is operating a vehicle in Maryland as described below the nonresident exemption is not applicable, and the vehicle being operated shall be titled and registered in conformance with the applicable Motor Vehicle Laws when the vehicle is:
(a) Used for transporting persons for hire, compensation, or profit;
(b) Regularly operated in carrying on business in this State;
(c) Designed, used, or maintained primarily for the transportation of property; or
(d) In the custody of any resident for more than 30 days during any registration year.
In addition to the titling and registration requirements for vehicles being operated in Maryland, all equipment being used shall be properly identified. Maryland classifies this equipment as “Special Mobile Equipment”, which is defined as a vehicle that:
(a) Is not used primarily for highway transportation or property, and
(b) Is operated or moved on highway only as an incident to its nonhighway use.
Special mobile equipment includes a road construction or maintenance machine, mobile crane, ditch digger, well driller, concrete mixer, job site office vehicle, or portable power generator.
An interchangeable license plate is issued to special mobile equipment; however, titling is not required.
For additional information concerning the requirements for titling and registering vehicles in Maryland, contact the Motor Vehicle Administration, Chief, Division of Vehicle Registration.
The Contractor shall adhere to all State Motor Vehicle Laws and safety regulations.


The right to construct or reconstruct any utility in the highway or to grant permits for same at any time is reserved by the Administration.
Upon the presentation of a duly authorized and satisfactory permit, which provides that all necessary repair work shall be paid for by the party to whom the permit is issued, the Contractor shall allow parties bearing such permits to make openings in the highway.
The Contractor shall, when directed by the Engineer, make all necessary repairs due to such openings. This work will be paid for as additional work, as provided in these Specifications, and will be subject to the same conditions as original work performed.


When the Contractor is required to haul materials across the tracks of any railroad, or elects to do so, the Contractor shall make arrangements with that railroad for any new private crossings or for the use of any existing private crossing.
All work to be performed by the Contractor in the construction of railroad/highway separation structures on the railroad right-of-way shall be done in a manner satisfactory to the engineer of the railroad company and shall be performed at times and in a manner that does not interfere with the movement of trains or traffic upon the tracks. The Contractor shall take precaution to avoid accidents, damage, or unnecessary delay or interference with trains or other property. In addition to the insurance specified in TC-5.01 and when work covered under the Contract is to be performed within 50 ft of the rails of the railroad’s tracks, the Contractor shall carry Contractor and Railroad Public Liability and Property Damage Insurance as specified in the Contract Documents.
Prospective Bidders on Contracts crossing railroad right-of-way are advised that the railroad company will require the Contractor to obtain, pay for, and have approved by the railroad, certain broad forms of public liability and property damage insurance policies before entering upon the railroad property. As a general rule, details of these policies are set forth in the Contract Provisions; but in case of omission from the Contract Provisions, the Contractor is required to communicate with the railroad to ascertain the type of insurance required, if any, and make provisions for the insurance in the Bid.
Unless otherwise specified, cost for the insurance policies whether described in the Contract Provisions or ascertained by the Contractor will not be paid for, but will be incidental to the other items specified in the Contract Documents.
All work on portions of structures over railroad right-of-way shall conform to all rules and regulations of the owners of the right-of-way. The Contractor shall acquire full knowledge of these rules and regulations and comply therewith to the satisfaction of the owners of the railroad right-of-way.


All work in, on, or over waters under control of the Department of the Army or the Environmental Protection Agency of the United States shall conform to all applicable Federal permits, rules, and regulations. All of these rules and regulations are hereby part of the Contract. The Contractor is cautioned and charged with the responsibility of obtaining complete knowledge thereof and compliance therewith. The Contractor shall also comply with the provisions of other applicable Federal, State, and local laws and is cautioned to become knowledgeable with any pertinent regulations of the Maryland Department of Natural Resources and Maryland Department of Environment.


All blasting operations, including the storage and handling of explosives and blasting agents, shall be performed in conformance with the applicable provisions of the Contract Documents and all other pertinent Federal, State, and local regulations. All explosives shall be stored in a secure manner, and all of these storage places shall be marked clearly “DANGEROUS EXPLOSIVES” and shall be in the care of competent watchpersons at all times. Whenever explosives are used, they shall be of such character and in such amount as is permitted by the State and local laws and ordinances and all respective agencies having jurisdiction over them. The use or storage of explosives will not be permitted under, adjacent to, or on any existing structures unless authorized in writing by the Engineer.
At least 14 days prior to commencing drilling and blasting operations, or any time the Contractor proposes to change the drilling and blasting methods, the Contractor shall submit a Blasting Plan to the Engineer for review. The Blasting Plan shall contain the full details of the drilling and blasting patterns and controls the Contractor proposes to use. The Blasting Plan submittal is for quality control and record keeping purposes. Review of the Blasting Plan by the Engineer shall not relieve the Contractor of the responsibility for the accuracy and adequacy of the plan when implemented in the field. If at any time during the progress of the work the method of drilling and blasting does not produce the desired result, the Contractor shall submit a revised Blasting Plan until a technique is arrived at that shall produce the desired results.
Before firing any blast in areas where flying rock may result in personal injury or damage to property or the work, the rock to be blasted shall be covered with approved blasting mats, soil, or other equally serviceable material, to prevent flying rock. The Contractor shall notify each public utility company having structures in proximity to the site of the work of the intention to use explosives. This notice shall be given sufficiently in advance to enable the companies to take any steps they may deem necessary to protect their property from damage. This notice shall not relieve the Contractor of responsibility for any damage resulting from the Contractor’s blasting operations.
The Engineer will have the authority to prohibit or halt the Contractor’s blasting operations when: the methods being employed are not obtaining the required results; an unstable condition exists; or the safety and convenience of the traveling public is jeopardized.


The Contractor shall be aware that State law requires that a 10 ft radial clearance shall be maintained for all construction equipment and materials in relation to electric lines carrying 750 volts or more. Because the State law is more stringent than the Federal laws, the State law shall be considered the minimal distance.
The Contractor shall also be aware of, and comply with, all other Federal, State, and local laws; and utility company requirements and regulations as specified in GP-7.01 (Compliance With Laws).


(a) If the Contractor encounters or exposes during construction any abnormal conditions that indicate the presence of a hazardous material or toxic waste, work in the area shall immediately be suspended and the Engineer notified. The Contractor’s operations in this area shall not resume until permitted by the Engineer; however, the Contractor may continue working in other areas of the project, unless directed otherwise.
Abnormal conditions shall include, but not be limited to, the presence of barrels, obnoxious or unusual odors, excessively hot earth, smoke, or any other condition that could be a possible indicator of hazardous material or toxic waste. Where the Contractor performs necessary work required to dispose of these materials and no items have been identified in the Contract Documents, the work shall be performed under a change order.
(b) For any material furnished on the project by the Contractor suspected to be hazardous or toxic, the Engineer may require the Contractor to have it tested and certified to be in conformance with all applicable requirements and regulations. Material found to be hazardous or toxic shall not be incorporated into the work. The required testing will be determined by the Engineer and may include, but not be limited to, the EPA Toxicity Characteristic Leaching Procedure (TCLP) or its successor. The evaluation and interpretation of the test data will be made by the Engineer. Testing and certification shall be at no additional cost to the Administration.
(c) Disposition of the hazardous material or toxic waste shall be made in conformance with all applicable requirements and regulations.


Refer to 900.03 in the Contract Documents.


All wood, trash, debris, and other foreign matter shall be removed from within the right-of-way limits and disposed of by the Contractor. The Contractor shall make all necessary arrangements to obtain suitable disposal locations and shall furnish the Engineer with a copy of resulting agreements. Disposal shall be in conformance with all Federal, State, and local ordinances.


General. The requirements for underclearances at structures shall apply to the entire usable roadway areas including shoulders. Unless otherwise specified in the Contract Documents or directed by the Engineer, the Contractor shall ensure that the following underclearances are maintained.
(a) All bridges (except pedestrian bridges) over Interstate, United States, or State highways shall have a 16.0 ft minimum vertical underclearance.
(b) All bridges (except pedestrian bridges) over secondary/county roads and local roads shall have a 14.5 ft minimum underclearance.
(c) All Pedestrian bridges shall have a minimum vertical underclearance 1 ft higher than those specified above. However, if there are bridges in the general vicinity of the proposed pedestrian bridge that have an underclearance greater than the minimum required underclearance of the pedestrian bridge, then the pedestrian bridge will have its underclearance increased to equal the highest overpass bridge. Removal of existing pavement under an existing pedestrian bridge to conform to the 1 ft higher requirement will not be required unless specified in the Contract Documents. Refer to the requirements included under the Resurfacing portion of this Specification.
(d) All bridges with overhead structural elements (e.g. through truss bridges, movable bridges with overhead bracing for counterweights, etc.) shall have a 17.5 ft minimum overhead vertical clearance.
When the above requirements are not met, the Engineer will contact the District Engineer and the Office of Structures to determine the need for remedial actions. When remedial actions are required, and there are no pay items for the work in the Contract Documents, the provisions of GP-4.06 (Changes) and GP-4.07 (Negotiated Payment Provisions) shall apply. The cost of measurements to determine clearance heights will be incidental to other pertinent items in the Contract Documents.
Throughout construction, a minimum of 14.5 ft underclearance shall be maintained at all bridges, over each lane or shoulder open to traffic. No portion of formwork, temporary protective shields, etc. including connection devices shall encroach on this underclearance. If, during the construction, less than 16.0 ft of vertical underclearance is provided on bridges specified in (a), (c) or (d) above, the Engineer will inform the District Engineer, the Office of Structures, and the Chief of the Administration’s Motor Carrier Division of the exact reduced minimum clearance and the effective dates of the reduction. The Contractor shall furnish and erect signs indicating the exact minimum underclearance. The signs and their locations shall be approved by the Engineer. Signs shall be removed and become the property of the Contractor when the intended underclearance is restored.
Resurfacing. The minimum underclearances shall be maintained whenever resurfacing a roadway. This may require grinding the existing pavement prior to placing the resurfacing material. Immediately after completing the resurfacing operation and when the lane closures are still in the effect, the Contractor, in the presence of the Engineer, shall measure the minimum vertical underclearance. The Engineer will submit results to the Office of Structures. The cost of these measurements will be incidental to other pertinent items specified in the Contract Documents. Whenever highway overpass bridges are in the general vicinity of a pedestrian bridge and the grinding is not required to maintain the specified clearances, the roadway under the pedestrian bridge shall be ground to provide a higher underclearance than the adjacent bridges. This requirement will be waived whenever the Engineer contacts the District Engineer and the Office of Structures and determines that the grinding would have an adverse effect on drainage, utilities, etc.


If the Contractor desires to haul across the proposed structures, they shall first apply for and obtain written permission from the Administration’s District Engineer for each type of hauling equipment to be used. The approval will include the following provisions, which shall be complied with:
(a) Maximum total gross load (vehicle plus load), 45 tons.
(b) Maximum actual load of any axle, 15 tons.
(c) Minimum axle spacing, 14 ft (does not apply to tandem axles).
(d) Only rubber tired vehicles will be permitted.
(e) Maximum speed of loaded vehicle, 5 miles/hour.
(f) Maximum speed of unloaded vehicle, 15 miles/hour
(g) Minimum distance between traveling vehicles, 300 ft.
(h) Travel path across structures shall be midway between curbs/ parapets.
(i) Bridge deck shall be kept clean at all times
(j) At the conclusion of hauling, the Contractor shall thoroughly clean the entire roadway surface of the bridges and other parts of the bridges requiring cleaning as a result of the hauling operations.
The Contractor shall submit bonafide evidence to the Administration’s District Engineer as to total weight of the loaded vehicle as well as the maximum weight of any axle thereon.
The Engineer’s representative will be in frequent observation to enforce speeds, position of vehicles on the bridge and limitations as to vehicle spacing.
Any violation will result in the immediate cancelation of the approval for hauling operations predicted thereby.
The Contractor is responsible for damages to the bridges caused by their operations.


Materials, and waste shall not be stored on or against any structure or structure element and equipment shall not be placed or used on any structure during the construction phase or finished or final configuration unless the written permission is obtained from the Administration’s District Office and the Office of Structures for each type of material or equipment to be stored.
Loads, vehicle or other weight (materials etc.) that exceeds the bridge posted weight limit, if posted, or exceeds Maryland’s legal vehicle loads on bridges, (with no posted bridge weight limits), are prohibited on the structure at any time, except as modified by the following. If the Contractor’s intended operations will impose loads on the structure that exceed the weights listed above, the Contractor shall submit to the Engineer the type of material, its weight, the area that will be affected by the load, and its location on the structure. No stock pile of material regardless of unit weight shall be more than 4 ft high. If equipment is to be used, submit the maximum gross weight, axle spacing, load per axle, and proposed location on the structure. The maximum gross weight must include the vehicle weights in the most critical load position, i.e. front axle on crane with boom extended and element hanging. A special Hauling Permit is a requirement anytime equipment is moved over a structure that is over legal weight limit.
If any load requires evaluation, then a professional engineer registered in the State of Maryland and experienced in bridge design shall perform a load analysis to ensure that the load on the structure will not create an overstress condition on any bridge element. This analysis also includes effects of legal loads crossing the structure, if applicable. Analyses shall be submitted for review and loading cannot be imposed until written approval is received. Such submission does not guarantee acceptance by the Office of Structures, which reserves the sole right to accept or reject the proposed loading.
For structures under construction or rehabilitation, the Contractor shall also submit information pertaining to the phase of construction, such as which members have been modified or separated from the remainder of the structure, or have been newly constructed.
Any materials or equipment that would have a detrimental affect to the structure such as aluminum products placed against concrete surfaces shall be adequately protected to prohibit them from coming in contact with each other. Any discoloration or damage to the structure as a result of material or equipment being stored on/against the structure shall be removed or repaired.