MISCELLANEOUS BOXES
Part 1 — General
1.1 Section Includes
A.Lower and raise catch basin, manhole, and miscellaneous boxes such as meter, valve, and monument boxes to meet the grade of the adjacent surfaces.
1.Applies to grade adjustments not greater than 1 ft.
1.2 Related Sections
A.Section 01721: Survey
B.Section 02721: Untreated Base Course (UTBC)
C.Section 03055: Portland Cement Concrete
D.Section 03058: Rapid Strength Concrete (RSC)
E.Section 03211: Reinforcing Steel and Welded Wire
1.3 References
A.AASHTO M 105: Gray Iron Castings
B.AASHOT M 199: Precast Reinforced Concrete Manhole Sections
1.4 DEFINITIONS Not Used
1.5 Submittals
A.Submit request to use alternative grade rings to the Engineer for review.
1.Include manufacturer’s product data sheets and installation instructions for alternative grade ring material. Reconstruct Catch Basin, Manhole, and Miscellaneous Boxes
Part 2 — Products
2.1 Concrete
A.Class AA(AE) – Refer to Section 03055 or RSC, refer to Section 03058
2.2 Reinforcing Steel
A.Coated reinforcing steel. Refer to section 03211.
2.3 Grade Rings
A.Gray iron
1.Grade 30B or greater. Refer to AASHTO M 105.
B.Precast concrete grade ring
1.Refer to AASHTO M 199.
C.Alternative grade ring material may be used when authorized.
2.4 Untreated Base Course
A.Refer to 02721.
Part 3 — Execution
3.1 Reconstruct Catch Basin, Manhole, and Miscellaneous Boxes
A.Lower impacted catch basin, manhole, and miscellaneous boxes prior to rotomilling.
B.Remove concrete collar, walls, frame, grade ring, and riser as necessary to lower the item.
C.Protect all remaining features.
D.Reconstruct catch basin and manhole to match the appropriate CB Series Standard Drawings.
E.Set the top so that all corners are recessed up to ¼ inch lower than the finished surface unless otherwise shown. Reconstruct Catch Basin, Manhole, and Miscellaneous Boxes
F.Provide a concrete collar extending at least 12 inches outside the frame or flange and to a depth equal to the pavement but not less than 8 inches.
G.Reestablish damaged survey monuments.
1.Refer to Section 01721
3.2 Pavement Repair
A.Place and compact untreated base course below the pavement structure.
B.Place pavement to match the existing pavement surface. Reconstruct Catch Basin, Manhole, and Miscellaneous Boxes
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Source: Utah Standard Specifications for Road and Bridge Construction, 2027 Edition. Pages 236–238 of 1,343. View official source ↗