7−16 706.02 MATERIALS. Plugs and caps for cast iron pipe shall be of the type approved by the utility company for a particular application.
707.01 DESCRIPTION. This work consists of adjusting drainage structures, telephone, electrical,
and sanitary manholes to those new grades and details indicated on the Plans or as directed by the Engineer, all in accordance with these Specifications.
707.02 MATERIALS. Materials shall conform to the applicable paragraphs of Subsection 702.02.1;
Masonry Unit Construction , of these Specifications. 7−17707.03 CONSTRUCTION METHODS.
707.03.1 General. In addition to the applicable paragraphs of Subsection 702.03.1 of these
Specifications, the following special requirements shall also apply. When structures are to be adjusted in paved areas, cutting and matching pavement will be required. Cutting and matching pavement shall be performed in accordance with SECTION 932 of these Specifications. When paved areas are open to traffic, the exposed vertical faces of adjusted structures shall be painted with iridescent orange reflective paint if less than or equal to 1-3/4 inches. An asphalt ramp shall be provided in case s where the exposed vertical face exceeds 1-3/4 inches. Castings shall be carefully removed and stored and the walls of the structure adjusted to the proper line and grade by the removal or addition of bricks and mortar. Walls shall be plastered with ½-inch cement mortar where required. Castings shall be reset to the proper line and grade in a bed of mortar. Prior to the placement of the final bituminous concrete cour se and following the secondary bituminous concrete course binder, an area of 1 foot outside the top of the frame shall be removed to a depth of 9 inches below the surface course. This area shall then be compacted and replaced with a Class A(AE) concrete collar to the level of the secondary bituminous course. The Contractor shall maintain access to all catch basins and utility manholes at all times.
707.03.2 Narragansett Bay Commission Structures. In addition to the requirements of
Subsection 707.03.1 , the Contractor must obtain a Sewer Facility Permit from the Narragansett Bay Commission prior to removing any frame, cover or grate from any manhole or catch basin and prior to modifying and/or exposing any manhole, catch basin or service connection within the boundaries of the Narragansett Bay Water Quality Management District. The Contractor must strictly adhere to all conditions set forth in the Bay Commission's permit.
707.04 METHOD OF MEASUREMENT. "Adjust Catch Basins,” "Adjust Manholes,” "Adjust
Telephone Manholes,” "Adjust Electrical Manholes,” "Adjust Sanitary Manholes,” and "Adjust Narragansett Bay Commission Sanitary Manholes" will be measured by the number of each type structure actually installed in accordance with the Plans and/or as directed by the Engineer.
707.05 BASIS OF PAYMENT. The accepted quantities of "Adjust Catch Basins,” "Adjust
Manholes,” "Adjust Telephone Manholes,” "Adjust Electrical Manholes,” "Adjust Sanitary Manholes,” and "Adjust Narragansett Bay Commission Sanitary Manholes" will be paid for at the respective contract unit prices per each such structure as listed in the Proposal. The prices so-stated constitute full and complete compensation for all labor, materials, equipment and all incidentals required to finish the work, complete and accepted by both the Engineer and the representative of the particular utility company involved. In the case of "Adjust Narragansett Bay Commission Sanitary Manholes,” the contract unit price shall also include the application fee for the Sewer Facility Permit. 7−18 SECTION 708 CLEANING AND FLUSHING PIPES AND DRAINAGE STRUCTURES
708.01 DESCRIPTION. This work consists of cleaning storm drains and drainage structures of all
types and sizes as designated on the Plans or as directed by the Engineer, all in accordance with these Specifications. 708.02 MATERIALS. 708.02.1 Equipment. Equipment for cleaning pipe lines includes hoses, rodding machines, balls, hydraulic cleaners, root cutters, small clam shell buckets, steel porcupines, pumps, or other suitable and approved means. 708.02.2 Water. Water used for cleaning and flushing drai nage pipes shall be fresh and free of oil, acid, salt, alkali, organic matter, or any other deleterious substances. The Contractor shall provide all water required for the cleaning operation. 708.03 CONSTRUCTION METHODS. 708.03.1 Operation of Drainage System During Cleaning. The Contractor shall be responsible for the proper operation of the storm drainage system during the cleaning operations. The safe control of storm flows shall be accomplished by the Contractor such as to preclude any injury to persons or property due to flooding. 708.03.2 Cleaning Methods. The Contractor shall clean and flush all storm drain lines as designated on the Plans by use of pressure hoses, suction pumps, and/or any other methods required to perform this work. A suitable weir or dam shall be constructed in the nearest downstream manhole or catch basin in such a manner that debris material will be trapped. Under no circumstances shall such material be passed on from one section to the next. Each manhole or catch basin shall be cleaned independently of other portions of the storm drainage system. All cleaning work shall be performed to the complete satisfaction of the Engineer.
708.03.3 Disposal of Debris Collected. Disposal of all material collected shall be done in
accordance with all requirements of applicable State agencies as described below.
709.01 DESCRIPTION. This work consists of providing Portland cement concrete for thrust and
7−20 bearing blocks, headwalls, and other miscellaneous purposes at locations designated on the Plans or as directed by the Engineer, all in accordance with these Specifications. 709.02 MATERIALS. The classifications of concrete for thrust blocks, headwalls, and other miscellaneous purposes shall be as set forth in Table I of Subsection 601.01.1 of these Specifications. Such concrete shall also conform to other applicable requirements of SECTION 601; PORTLAND CEMENT CONCRETE , of these Specifications.
709.03 CONSTRUCTION METHODS. 709.03.1 Thrust or Bearing Blocks. Concrete thrust or bearing blocks for backing up tees, bends
and hydrants shall be installed at designated locations or as directed by the Engineer. Installation of thrust blocks shall include the placing of concrete and any additional excavation as required. Straps associated with thrust blocks shall likewise be provided. 709.03.2 Headwalls . Concrete construction shall conform to the applicable requirements of SECTIONS 808 and 702; CAST-IN-PLACE STRUCTURE CONCRETE MASONRY and MANHOLES, INLETS AND CATCH BASINS , respectively, of these Specifications.
709.04 METHOD OF MEASUREMENT. "Concrete" for the purposes specified in this Section will
be measured by the number of cubic yards of such material actually placed in accordance with the Plans and/or as directed by the Engineer. 709.05 BASIS OF PAYMENT. The accepted quantity of "Concrete" used for thrust or bearing blocks, headwalls, or for any other miscellaneous purpose will be paid for at their respective contract unit prices per cubic yard as listed in the Proposal. The prices so-stated constitute full and complete compensation for all l abor, materials, and equipment, and all incidentals required to finish the work, complete and accepted by the Engineer. SECTION 710 CUT-INS FOR MANHOLES, CATCH BASINS AND PIPE
710.01 DESCRIPTION. This work consists of cutting into existing manholes, catch basins, and
pipe to accommodate new construction at locations indicated on the Plans or as directed by the Engineer, all in accordance with these Specifications. 710.02 MATERIALS. Materials for brickwork shall conform to the applicable requirements of Subsection M.04.03. of these Specifications.