Amendment 14 - Nitrogren Overall Plan.pdf
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- Solicitation number
- N4008520R0021
About this file
This document contains plans for modifications and additions to Dry Dock #1 at Portsmouth Naval Shipyard in Kittery, Maine. The project involves constructing two new dry dock bays, labeled DD1N and DD1W, within the existing superflood basin to support maintenance and overhaul of Virginia Class submarines. New construction will include concrete floors, walls and a center wall separating the bays, new pump well systems, a pump station building, portal crane rails, mooring hardware, mechanical and electrical utilities, utility tunnels and all necessary appurtenances. Modifications will also be made to the existing basin closure wall and Berths 1 and 11. The existing DD1 pump well will be connected to the new system and interior modified. The Department of the Navy, Naval Facilities Engineering Command is the agency managing this design-bid-build project.
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Text version
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EXISTING
3/4" NITROGEN
IN TUNNEL
3/4" NITROGEN
IN TUNNEL
EXISTING
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EXISTING
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IN TUNNEL
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EXISTING NITROGEN
STORAGE 900 GALLON
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DD1E EXISTING
TUNNEL OUTLINE
CENTER WALL
TUNNEL OUTLINE
DD1W EXISTING
TUNNEL OUTLINE
BERTH 2 EXISTING
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| Sheets |
| MH701 - FIRE PROTECTION SCHEMATIC |
| MN100 - NITROGEN OVERALL PLAN |
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