Volume-IF - JantERmantER

DCPL-K4A02
VOLUME : II-D/2
SECTION-XI
TECHNICAL SPECIFICATION
FOR
FALSE FLOORING
1.0.0 SCOPE
This specification covers supplying, installation, repairing, finishing, testing,
protection and maintenance till handing over of removable free access false
flooring systems consisting of an assembly of panels mounted on adjustable
pedestal and supporting steel grid system to provide an under floor space.
2.0.0 FALSE FLOORING SYSTEM
2.1.0 Base
The system shall be placed over a base of R.C.C. floor slab and with
necessary grouting etc. to fix the supporting structure.
2.2.0 Supporting Structure
2.3.0 Floor Panel
The supporting structure shall comprise of fabricated jacks made out of 25
mm. dia. MS rounds having 150 mm. threads at top. This jack shall be
welded to 100 mm x 100 mm x 6 mm thick MS base plate pedestal.
Pedestals shall be vertically true and located at 600 mm centre to centre to
conform to the size of the floor panels and shall be fixed to the RCC floor slab
with ARALDITE. The jack shall be equipped with locking device to prevent
loss of finished elevation. Adjustment shall be provided by the threaded rod
member and elevating nut. The capital shall be of aluminium alloy die cast
and shall receive cold rolled MS floor supporting channels of size 40 mm x 40
mm x 3.15 mm thickness as per drawings, both for main and cross runners.
The pedestal shall be equipped with conducting grounding pad. All MS
members shall be treated with steel protective paint as per drawing.
2.3.1 The floor panels shall be made of phenol for maldehyde bonded particle
board treated with fire resistant paint as per schedule items. Size of each
panel shall be 600 mm x 600 mm with all panel edges finished to a tolerance
of + 0.25 mm on the diagonals. The edges of the floor panels shall be
covered by 4 mm. thick rigid PVC edging. The underside of the panel shall
have 0.05 mm. thick Aluminium foil which shall be fixed to the particle board
with resin-based adhesive.
(PCA.775.S034sc11) V.II-D2/S-XI : 1