339 SECTION 720
720.01 Description
This work consists of furnishing and installing Alignment Monuments, Iron Pin R/W Monuments, Iron Pin Reference Monuments , and Right of Way Markers.
720.02 Equipment
Reserved.
720.03 Materials
B.Right of Way Markers. Right of way markers constructed of recycled plastic.
720.04 Construction Requirements
Provide a Professional Land Surveyor (PLS) licensed in the State of North Dakota to oversee monument placement. The PLS shall record all section corner and quarter corner monuments placed, in accordance with North Dakota Century Code. Submit a copy of the recordation. A PLS is not required for the installation of right of way m arkers.
720.05 Method of Measurement
The Engineer will measure as specified in Section 109.01, “Measurement of Quantities”.
720.06 Basis of Payment
Pay Item Pay Unit Alignment Monuments Each Iron Pin R/W Monuments Each Iron Pin Reference Monuments Each Right of Way Markers Each Include cost for removals of designated monuments or markers in the price bid for other items. Include the cost of materials, installation and the Professional Land Surveyor in the price bid for “________ Monuments”. Such payment is full compensation for furnishing all materials, equipment, labor, and incidentals to complete the work as specified. Section 722 340 SECTION 722 MANHOLES, CATCH BASINS, AND INLETS
722.01 Description
This work consists of constructing and adjusting manholes, catch basins, and inlets, including the furnishing or resetting of necessary metal frames, covers or gratings, valve boxes, or other accessories to new lines and grades.
722.02 Equipme Nt
Reserved.
722.03 Materials
Item Section Concrete Class AE 802 Precast Reinforced Concrete Pipe Manholes 830.01 A or B Adjustment Rings 830.04 Frames, Tops, Covers, Fittings, and Gratings 834.02 A or B Reinforcing Steel 836.02 A Compose mortar of one part cement to two parts of sand by volume. Lime may be added not to exceed 10 percent of the cement by weight.
722.04 Construction Requirements
A.Precast Reinforced Concrete Manholes, Inlets, and Catch Basins. Construct the joints by one of the following methods: − Mortar; − Rubber Gaskets; or − Cold applied preformed plastic gaskets.
B.Concrete Base. Place the base on firm unyielding ground. Construct the bottom edge of the barrel for manholes, catch basins, and inlets to fit flush on the base. Place mortar in the joint between the base and the barrel. Place mortar to fill the base to the elevation of the outlet invert and slope to drain.
C.Pipe Connections. Place pipe so that the inside end protrudes through the inside wall a minimum of 2 inches. Place mortar around the pipe.
D.Placing Castings.
1.General. Set castings in full mortar beds when using precast concrete adjustment rings. Construct manholes, catch basins, and inlets so that a maximum of 6 inches of adjustment rings are needed to set the casting to grade.
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Source: North Dakota Standard Specifications for Road and Bridge Construction, 2022 Edition. Pages 374–374 of 550. View official source ↗