Volume-IF - JantERmantER

TITLE:
SPECIFICATION NO. PE-TS-360-620-C001
VOLUME - II B
SPECIFIC TECHNICAL
REQUIREMENTS FOR
SECTION - C SUB SECTION: II
REV.NO. 0 DATE: 18.09.2010
ELECTRICAL WORKS
SHEET 3 OF 6
1.08 A temporary aviation obstruction lighting system shall be provided during
construction of the chimney.
1.09 Cables from distribution board to lighting panels/receptacles shall be 1100V
grade, PVC/XLPE insulated armoured aluminum conductor with a minimum
size of 4 mm 2 Cables shall be laid on galvanized sheet steel cable trays. Cables
shall be terminated using double compression type cable glands and cable
lugs.
1.10 Lightning protection system shall comprise minimum 3 vertical air
terminations for each flue liner, horizontal air termination and minimum 4
Nos. of down conductors spaced 90 degrees apart routed all along chimney
height and connected to the earthing system. Above ground level, earthing and
lightning protection system shall comprise galvanized steel strips. These
materials provided at top 12 meters shall have additional coating of 2 mm
thick seamless lead cover or it shall be of stainless steel to take care of
corrosion. Chimney earthing system shall be inter connected to main plant
earthing system.
1.11 Communication system comprising of telephone socket at every internal
platform level and at grade level, necessary wiring installation, junction boxes
etc. shall also be provided. Requirement of telecommunication system as per
pt. no. 18 of spec no. –DCPL-K9A01, doc. no.- V.II-D2/S-XXIV:22 (pg.330)
are to be complied with.
1.12 For various equipment, the technical requirements and practices shall conform
to the relevant clauses of the main plant electrical specification and customer
specification no. –DCPL-K9A01, doc. no.- V.II-D2/S-XXIV:30-33 (pg.338 to
341).
2.00 ELECTRICAL EQUIPMENT SCOPE
The Bidder’s scope of supply, installation, testing and commissioning shall
include but not be limited to the following:
2.01 Lighting of chimney as per specification no. PE-DG-XXX-558-0004
including aviation obstruction lighting system and 15A industrial switch
socket & 63A welding socket.
2.02 Lightning protection & earthing of chimney as per specification no. PES-509-
02A Rev. 0 and PE-DG-XXX-509-0004. Also refer enclosed typical drawing
of Lightning Protection and Earthing system drg. No. PE-DG-179-620-7272
REV.1
2.03 Power Distribution Boards
:
2.03.1 415 V, 3∅, 4 wire AC distribution board (ACDB) as per specification no.
PES-506-05. 415 V, 3∅, 3 wire AC Emergency Lighting distribution board
(ELDB) & Lighting panels (LP) as per Specification no. PES-558-01A .
2.04 Power & control cables HRPVC, armoured, FRLS type 1100 V grade as per
specification no. Section E18 Volume II Part B.