PACKAGE : I Bid Document VOLUME : II - Public Health Engineering

15.9 Approval by fire insurance authority.
The equipment supplied along with the accessories shall be those approved for use
in Electrical installations by the Fire Sectional Committee, Central Regional
Council of the Insurance Association of India.
15.10 Conditions of operation.
The equipment offered shall be suitable for continuous operation under high
ambient temperature. Motors for outdoor installation shall be weather proof.
The switch board shall not be exposed to moisture or corrosive gases.
The Contractor shall submit layout drawings showing the location of switch board
and other equipment proposed to be installed for the approval of Engineer.
15.11 LT Supply.
The contractor shall ascertain the availability of LT supply from MeSEB and to
procure equipments accordingly.
HT/LT Panel :
The control panel or motor control panel shall normally have ACBs, MCCB and
MCB as the case may be. The number of equipments and capacity of each
equipment shall depend on the requirement of a particular pumping station. The
Panel shall be made of 12 SWG (2.6mm) sheet steel for the front side and 14 SWG
(2.0mm) sheet steel for bottom and other sides with powder coating for long life.
Necessary neutral link block to be provided at required locations. These panels shall
be front wired, front connected and provided with closing handles with ON and
STOP mechanical indication having in built locking system so that back access
would not be required for inspection and maintenance. The enclosure shall be dust
and vermin proof type. Since the entry of cables of the panel is generally from the
bottom, the cable gland supporting plate shall be mounted not less than 300 mm
above the floor level.
GTS : General Technical Specification. Page 107