New Hampshire Department of Transportation (NHDOT) · Standard Specifications for Road & Bridge Construction
Section 604 — CATCH BASINS, DROP INLETS, AND MANHOLES
New Hampshire Standard Specifications for Road & Bridge Construction, Section 604. Full text, cross-references and related pay items on BuildSpec.
SECTION 604 New Hampshire Department of Transportation Standard Specifications – 2016 6-13 SECTION 604 -- CATCH BASINS, DROP INLETS, AND MANHOLES Description 1.1 This work shall consist of furnishing and constructing catch basins, drop inlets, and manholes; with frames, grates or manhole covers, as shown on the plans or as ordered. Sawed pavement, common structure excavation to the depth specified in 206.4.1, bedding if required, and backfill shall be included in this work. 1.2 This work shall consist of reconstructing, including adjusting, existing catch basins, drop inlets, and manholes as…
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