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

e) Exhaust fan: For ensuring open ventilation, adequate nos. of Exhaust fan (300 mm
size) shall have to be provided by the contractor to allow 12 air changes per hour
inside the pump house.
f) Special specifications
i) Before fixing all switches, fittings etc. the same should be produced
before Employer/Employer’s representative and got approved.
ii) All metal Switch Boards, Junction Boxes and Switch regulator boxes to
be used in work shall be painted with 2 coats of antirust primer (red oxide
paint) prior to erection. After erection they shall be again painted with 2 coats
of enamel paint of approved quality.
iii) Before execution of any portion of conduit work for wiring, a neat and
proper layout should be made out by the contractor and got approved from the
Employer/Employer’s representative.
iv) While laying the conduits for concealed wiring in the ceiling or in the
beams and columns and before casting, the contractor must ensure that all the
inlets at both ends of the conduits are plugged by means of dead end socket so
that no. foreign matter enter the conduits and choke them.
v) Damage to any fitting and civil structures during erection and before
handing over the installation by the contractor shall be set right or replaced by
the contractor at his own cost.
vi) Caution Board of proper size wherever required shall be provided as per
IEE regulations for which no extra payment will be admissible.
vii) Earthing installation shall be done in presence of Employer’s
representative.
viii) The installations should not be energized without adequate earthing.
ix) The IC switches and DB shall be provided with neat lettering in block
letters with paints for identification of the IC switches and for the points
connected to each fuse way of the DBs’ for which no extra payment will be
admissible.
DTS : Detailed Tender Specification. Page 221