Attachment 1: Specifications - Metropolitan Washington Airports ...

DCA TERMINAL A IMPROVEMENTS (NEAR TERM) 10 AUGUST 2012
TASK ORDER 03: LOBBY IMPROVEMENTS – PKG 4 - CURBSIDE CHECK-IN
RONALD REAGAN WASHINGTON NATIONAL AIRPORT
PROJECT DT1203
1. Coordinate electrical systems, equipment, and materials installation with other building
components and trades.
2. Verify all dimensions by field measurements.
3. Arrange for chases, slots, and openings in other building components during progress of
construction, to allow for electrical installations.
4. Sequence, coordinate, and integrate installations of materials and equipment for efficient
flow of the Work. Give particular attention to large equipment requiring positioning
prior to closing spaces.
5. Where mounting heights are not detailed or dimensioned, install systems, materials, and
equipment per code to provide the maximum headroom possible.
6. Coordinate connection of electrical systems with exterior underground and overhead
utilities and services. Pay particular attention to requirements for access and service of
the equipment in choosing final equipment locations. Comply with requirements of
governing regulations, franchised service companies, and controlling agencies. Provide
required connection for each service.
7. Install systems, materials, and equipment to conform with approved submittal data,
including coordination drawings, to greatest extent possible. Conform to arrangements
indicated by the Contract Documents, recognizing that portions of the Work are shown
only in diagrammatic form. Where coordination requirements conflict with individual
system requirements, refer conflict to the COTR.
8. Install systems, materials, and equipment level and plumb, parallel and perpendicular to
other building systems and components, where installed exposed in finished spaces.
9. Install electrical equipment to facilitate servicing, maintenance, and repair or replacement
of equipment components. As much as practical, connect equipment for ease of
disconnecting, with minimum of interference with other installations.
10. Install access panel or doors where units are concealed behind inaccessible surfaces.
3.4 CONNECTIONS
A. All connections of stranded wire to screw terminals shall be by insulated spade lugs, crimp
fastened to wire.
B. No splices shall be made within a conduit run.
C. All non-terminal block connections shall be made with mechanical connectors or rosin core
solder, with insulation equal to conductor insulation and as approved by the COTR.
D. All conductors shall be marked with wrap-type labels per Division 27 Section “Premise Wiring
Distribution System.” All terminal block terminations shall be labeled. The inside portion of
the terminal cabinet doors shall display a protected terminal cabinet drawing with all
connections shown and described as to color code, number assigned to connection function of
conductor and destination.
E. Wire shall be guided within terminal cabinets by cable supports. All conductors shall be neatly
led to terminations.
F. Cabinets: All communication cabinets shall be labeled with an engraved plastic laminate label
riveted to the door. Cabinet designation shall be as indicated on the contract drawings.
BASIC TELECOMMUNICATION REQUIREMENTS 27 05 01 - 11