Technical Specifications FY2019 Paving Program
ITEM 604.47 - DROP AND PLATE CASTING
A. SCOPE
This work consists of removing existing manhole casting, removing brick and mortar supporting
the casting, plating the hole over the structure, and backfilling the hole. Excavation, plate
removal, and final adjustment to proposed grade will be covered under Items 604.45, Item
604.46, and Item 604.4 as determined by the Engineer.
B. MATERIALS AND CONSTRUCTION
This work shall include all labor, materials, equipment and transportation necessary to drop and
plate the existing manhole castings prior to reclaim and milling as directed. Plates shall be of
sufficient strength to deal with traffic loading. Contractor shall be responsible for keeping
records identifying, with measurements, where all dropped castings are located. Contractor is
responsible for management of all castings once they are removed from the manholes, and for
locating all dropped castings when they need to be adjusted.
Removed castings shall not be stored on private property unless agreed to by the Engineer.
Unless otherwise noted herein, this work shall conform to the latest approved City of Nashua
Standard Specifications for Road Construction, City of Nashua Standard Specifications for
Sewers and Drains, and the latest approved NHDOT Standard Specifications for Road and
Bridge Construction. The most stringent specification shall apply unless otherwise directed by
the Engineer.
Cc. MEASUREMENT AND PAYMENT
Payment for drop and plate castings shall be at the contract unit price specified for each. All
castings regardless of size will be paid for as one (1) each. This payment shall include all
materials, labor, equipment, and all else needed to complete the work under this item.
Contractor shall record the number and location of castings dropped and plated for each street.
Payment is contingent upon submittal of quantities in a per structure, and per street format.
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