Volume-IF - JantERmantER

TITLE:
TECHNICAL SPECIFICATION FOR
REINFORCED CONCRETE
CHIMNEY
SPECIFICATION NO. PE-TS-360-620-C001
VOLUME - II B
SECTION - C SUBSECTION : I
REV.NO. 0 DATE 18.09.2010
SHEET
OF
1.0 BRIEF DESCRIPTION
.
The chimney will be single flue reinforced concrete structure of 220 m etres height.
Flue will have first class acid/heat proof firebrick lining. This brick lining work will
be supported on internal RCC corbels at 10 M etres i nterval. A part f rom a viation
warning l ight, c omplete e xternal s urface of t he w indshield s hall be pa inted i n
alternate band of signal red and white colour starting with signal red colour at the top
and i n l ine w ith a viation r equirements. E xternal pa inting s hall ha ve acid and heat
resisting properties c onfirming to IS-158, t otal dr y t hickness(DFT) sha ll be atleast
150 microns. Platforms on e xternal s urface of R CC w indshield w ith pr ovision of
personnel access sha ll be provi ded at maximum twenty-five (25) m etre int erval.
Suitable personnel access door and truck entry door shall be provided. The top of roof
slab and top of acid resistant bricks over the roof shall be painted with two coats of
‘EXPILUX 5 COAL T AR E POXY P AINT’ ove r a t hin coat of t he same paint as
manufactured by M/s. Berger P aints ( India). The ove rall D FT sha ll be at l east 230
microns. RCC hoppe r s hall be pr ovided a t bot tom l evel. A rrangement shall be
provided for measuring concentration of particulate matters. NO X AND SO X in the
flue gas for monitoring and taking necessary measure for pollution control. It will also
have necessary arrangement for earthing during construction. Access from ground to
external platforms shall be provided with cage ladder.
The grade level slab shall be of r einforced c oncrete w ith a n i ronite f inish. T he
chimney shall have a suitable foundation system depending upon soil characteristics.
Apart from aviation warning light, the complete external surface of the wind shield
shall be painted in alternate band of red and white colour and in line with aviation
requirements, out of which the top 50 metre of paint shall have acid and heat resistant
properties and rest of the surface shall be painted with water proof cement paint or
synthetic enamel paint.
The c himney r oof s lab if re quired shall be of r einforced concrete t reated for w ater
proofing and protected by a layer of acid resistant tiles laid in acid resistant mortar.
Suitable personnel access door and truck entry door shall be provided. A personnel
access hatch in the of slab, liner access hatches, rain water drainage system, flue acid
drainage, bird screens or louvers on the ventilation openings shall also be provided.
Arrangement shall be provided for m easuring c oncentration of pa rticulate m atters,
Nox & Sox in the flue gas for monitoring and taking necessary measure for pollution
control. It w ill a lso have necessary arrangement f or el ectrical pow er suppl y ,
distribution boards, socket outlets, power and control cabling raceways system, stair
and platform lighting, lightening protection and earthing system.
Stack elevator will be provided to run along outside surface of wind shield.