Specifications

161
NLUO PMC CONTRACTOR
SIGNATURE AND SEAL SIGNATURE AND SEAL SIGNATURE AND SEAL
• All MCB shall be min 9KA rating and ‘C’ curve type.
7. SWITCHES :
All switches for lights, fans and plug points shall be Modular type switches, unless specified otherwise.
8. CABLES AND CONDUCTORS :
All cables shall conform to relevant Indian Standard. Conductors of all cables except for flexible cables, shall be of aluminum,
unless specified otherwise. All LT cable shall be FRLS type PVC insulated and 1000 V grade.
9. FLEXIBLE CABLES :
Conductors of flexible cables shall be of PVC insulated FRLS copper the minimum size of core acceptable is 1.5 sqm. (other
than telephone cable). The maximum weight to which the following twin flexible cords may be subjected are as follows :
Twin 16 / 0.20 mm : 3.3 Ibs (1.5 Kgs.)
Twin 23 / 0.0076 inch : 5.0 Ibs (2.3 Kgs.)
10. INSTALLATION OF MAIN SWITCH BOARDS, BDB’S MAINS, SUBMAINS, DISTRIBUTION WIRING TO
INDIVIDUAL POINTS :
The exact positions of all main switch boards, BDB’s and all funds of mains and sub-mains, and distribution wirings to
individual points including the exact position of all light fittings and switch boards shall be first marked on the buildings and
shall be approved by the Engineer in charge before actual commencement of the work.
The D.B.’s shall be generally be installed at a height of 2.13 m (7 ft) from floor level.
11. INSTALLATION OF SWITCH BOARDS :
These shall be installed at a height of 1.3 mtrs. (4’ - 3”) and above the floor level.
12. INSTALLATION OF CEILING FANS :