ADJUSTMENT OF EXISTING STRUCTURES 612.04 553 SECTION 612
612.01 Description
This work consists of adjusting, altering, relocating, resetting, and realigning existing structures, equipment, or appurtenances. This applies to public structures shown on the Plans to remain.
612.02 Materials
Provide materials of an equivalent grade to the existing structure, as shown on the Plans, or materials required by the Contract for similar work.
612.03 Equipment — Vacant
612.04 Construction Methods
A.General Refurbish and reset Department -provided electrical equipment, including delivering the equipment to the project if required by the Contract. Adjust, reset, or rebuild existing structures to the final grade shown on the Plans, or as approved by the Resident Enginee r. Make adjustments to existing structures in pavement after placing the final surface course. Protect the altered, removed, or reset structure or appurtenance during transport and adjustment. Repair or replace unprotected items damaged during transport or adjustment at no additional cost to the Department. Transport items from the storage site, and reset at no additional cost to the Department. Modify, clean, or repair the structure or appurtenances before resetting as shown on the Plans.
B.Manholes If the Contract requires the tops of the manholes to be lowered to a new grade, remove the walls and rebuild manholes so the maximum batter of the walls does not exceed 4 in/ft [330 mm/m]. Construct the walls vertically from the top of the batter section if the Contract requires manholes to be raised 1 ft [300 mm] or less to the new grade. If the Contract requires manholes to be raised more than 1 ft [300 mm] to the new grade, remove the walls to the bottom of the batter section, or to an elevation at which the inside diameter of the manhole is at least 3 ft [0.9 m] and rebuild in accordance with Section 611, "Manholes, Drop or Curb Inlets, and Junction Boxes."
C.Inlets and Manholes Reset or rebuild inlets, manholes, or similar str uctures to the grade shown on the Plans in accordance with Section 611, "Manholes, Drop or Curb Inlets, and Junction Boxes."
612.06 Adjustment of Existing Structures
554 D. Valve Boxes and Meter Boxes Reset or remove valve boxes and meter boxes to the grade shown on the Pla ns without damaging. Replace damaged items at no additional cost to the Department.
E.Fire Hydrants, Valves, Water Meters, Waterlines, Manholes, Etc. Coordinate with the owner of structures to lower or relocate waterlines and reset water valves, meters, manholes, and fire hydrants if the Contract does not require this work. If the Contract requires this work, alter these items in accordance with the re quirements of the owner and Section 616, "Water Pipe and Fittings."
F.Pipe Sewers Remove and relay pipe sewers and appurtenances in accordance with Section 615, "Sanitary Sewer Pipe Conduits."
G.Water lines Remove and relay or lower waterlines and appurtenances in accordance with Section 616, "Water Pipe and Fittings."
612.05 Method of Measuremen T
The Resident Engineer will measure reset, re -laid, and adjusted structures by ea ch unit of the type and size required by the Contract.
612.06 Basis of Payment
The Department will pay for each pay item at the contract unit price per the specified pay unit as follows: Pay Item: Pay Unit:
A.MANHOLE ADJUST TO GRADE Each
B.MANHOLE REBUILT Each
C.INLET ADJUST TO GRADE Each
D.INLET REBUILT Each
E.VALVE BOX ADJUST TO GRADE Each
F.METER BOX ADJUST TO GRADE Each
G.FIRE HYDRANT RESET Each
H.VALVE RESET Each
I.WATER METER RESET Each
J.WATERLINE LOWERED Linear Foot [Meter]
K.WATERLINE REMOVED AND RELAID Linear Foot [Meter]
L.PIPE SEWER REMOVED AND RELAID Linear Foot [Meter]
M.REMOVE AND RESET MANHOLE FRAME AND COVER Each DRAINAGE CONDUITS 613.02 555 Include the cost of valve boxes, meter boxes, etc., in the contract unit price for Valves Reset and Water Meters Reset . The Department will consider the cost of valves in waterlines and fire hydrant leads, and the cost of resetting to be included in the contract unit price for Valves Reset . The Department will consider the cost of adju sting valve boxes under pavement to be included in the contract unit price for Valve Boxes Adjust to Grade . The Department will pay for separately classified extensions to fire hydrant leads for new waterlines in accordance with Section 616, “Water Pipe and Fittings.” If the extensions are not classified separately, the Department will consider the cost of pipe to be included in the contract unit price for Fire Hydrant Reset . SECTION 613 DRAINAGE CONDUITS
613.01 Description
This work consists of installing new or removing and reinstalling existing pipe conduits, including the following: Pipe underdrains and edge drains at least 4 in [100 mm] in diameter; and Other pipe with inside diameter of at least 12 in [300 mm], used in storm drains and culverts, or drainage conduits not defined as bridges.
613.02 Materials
Provide drainage conduit in accordance with Section 726, “Drainage Conduits.” Provide the class of reinforced concrete pipe, the sheet thickness of corrugated steel and corrugated aluminum pipe, and the heights of fill above the tops of pipes as shown on the Plans. Provide polypropylene pipe conduit (PP) in accordance with the requirements in Table 726:3, “Flexible Conduit Material Specifications.” Pipes with diameters greater than 60 inches will not be allowed. Provide Class III reinforced concrete culvert pipe unless otherwise required by the Contract. If the type of pipe i s not shown on the Plans, the type is optional. Provide the same type of pipe for each application, unless the Resident Engineer approves an alternative in writing. Provide materials in accordance with the following subsections: Material: Subsection: Joint Filler 726.01.B Standard Bedding Material 703.08 Cover Material For Pipe Underdrains 703.06 For jacking operations, provide the type, size, class, and quantity of pipe shown on the Plans.
Source: Oklahoma Standard Specifications for Highway Construction, 2019 Edition. Pages 567–568 of 935.