Specifications

NAIROBI OPERATIONAL HUB
1. Prepare and submit for approval, before commencing any portion of
the Contract work, complete shop drawings, which shall show:
- Exact routes of cables and ducts including sizes and details of
installation.
- Cable trays and ladders giving routes, sizes and details of supports
and hangers.
- Exact runs of conduits and trunking including sizes, draw boxes
and junction boxes and the number and sizes of wires in each run.
- Switch boards and distribution boards and control panels including
location, layout, dimensions, fixing details, cabling and final
connection arrangement.
- Proposed supports and hangers for cable trays, trunking, conduits,
cables, light fittings ...etc. including details of materials, finish,
sizes and method of fixing to structure.
- The contractor shall submit sections and elevations as required by
the Engineer to show details of installation showing plant,
equipment, fixtures in true dimensions in relation to furniture and
other elements in the concerned area.
2. Shop drawings shall be made to a scale not less than 1/100 or as
required by the Engineer. A detailed duly updated record shall be kept
by the Contractor of all service distribution routes and installation
work during the Contract duly titled.
3. The shop drawings shall be coordinated with the work of all other
Trades and shall where necessary show adjacent services to indicate
satisfactory coordination. Where necessary or when requested by the
Engineer, provide coordinated sections to a suitable scale to suit each
condition. Drawings of other Trades which are not forming part of this
Contract if required for coordination purposes will be issued to the
Contractor by the Engineer.
D. Progress Drawings
1. Furnish and keep on the job site at all times, one complete and separate
set of blackline prints of the Electrical Work on which shall be clearly,
neatly and accurately noted, promptly as the work progress, all
electrical changes, revisions and additions to work as actually installed.
Wherever work is installed other than as shown on the drawings, such
changes shall be noted.
2. Indicate daily progress on progress prints by colouring in the various
parts of the Works as they are erected.