Drilling suitable holes in reinforced

or plain cement concrete with

power driven drill machine to a
minimum depth of 100mm up to
200mm in RCC beams, lintels,
columns and slabs to introduce
19.2 steel bars for sunshades/balconies
including fixing the steel bars in
position using epoxy resin anchor
grout of approved make but
excluding the cost of
reinforcement, all complete as per
direction of En ineer-ln- Char e.

19.2.1 Up to and including 12mm dia. 2000 each

Providing, mixing and applying

SBR polymer (of approved make)
modified Cement mortar in
proportion of 1:4 (l cement: 4
graded coarse sand with polymer
minimum 2% by wt. of cement
used) as per specifications and
directions of Engineer-in-charge.
Note: Measurement and payment:
The pre-measurement of thickness
19.3 shall be done just after the surface
preparation is completed and
Payment under this item shall be
made only after proper wet curing
has been done and surface has been
satisfactorily evaluated by sounding
/ tapping with a blunt metal
instrument and/or the 75mm size
cube crushing strength at the end of
28 days to be not less than 30 N/S
mm2
25 mm average thickness in 2
19.3.1 2000 sqm
layers.
 Chipping of unsound/weak
concrete material from slabs,
beams, columns etc. with manual
Chisel and/ or by standard power
driven percussion type or of
approved make including tapering
of all edges, making square
19.4
shoulders of cavities including
cleaning the exposed concrete
surface and reinforcement with
wire brushes etc. and disposal of
debris for all lead and lifts all
complete as per direction of En
ineer-In-Char e
19.4. I 25mm average thickness 2000 sqm
Providing, mixing and applying
bonding coat of approved adhesive
on chipped portion of RCC as per
19.5
specifications and direction of
EngineerIn-char e com lete in all
res ect.
Epoxy bonding adhesive having
19.5.1 coverage 2.20 sqm/kg of approved 2000 sqm
make
Providing and injecting approved
grout in proportion recommended
by the manufacturer into
cracks/honey-comb area of
concrete/ masonry by suitable
gun/pump at required pressure
19.6
including cutting of nipples after
curing etc. complete as per
directions of Engineer-inCharge.
(The payment shall be made on the
basis of actual weight of approved
grout in ected.
Epoxy injection grout in
19.6.1 concrete/RCC work of a roved 500 kg
Make
 Providing and inserting 12mm dia
galvanised steel injection nipple in
honey comb area and along crack
line including drilling of holes of
required diametre (20mm to 30mm)
up to depth from 30mm to 80mm at
required spacing and making the
19.7 2000 each
hole & crack dust free by blowing
compressed air, sealing the distance
between injection nipple with
adhesive chemical of approved
make and allow it to cure complete
as er direction of En ineer-In-Char
e.

Providing and applying two coats

of anticorrosive epoxy phenolic
rebar protective system IPNet RB
or equivalent of approved make and
quality comprises of resin and
hardner mixed in equal proportion
by volume with minimum 9-10
19.8 2000 sqm
hours between the coats,sprinkling
dry sand when 2nd coat is tacky so
as to provide rough finish and
ensuring air curing of minimum 10
hours after the top coat before any
subsequent treatment etc. complete
all as directed b En -in- char e
 Proiding and laying in position free
flow high strength non shrink micro
concrete M-40 using single
component cement micro concrete
added with 6mm down size
aggregates in the ratio of 1 part
micro concrete with 0.3 part of
aggregate by weight. Water cement
ratio shall be maintained properly
as per manufactures specifications
to achieve dense solid mass
19.9 prepared micro concrete shall be 60 cum
poured properly as per in prefixed
holding boards slurry tight form
work properly aligned to required
size and shape and well oiled air
bubbles if any shall be removed by
tapping the boards removing the
boards after 24 hours and curing the
micro concrete thoroughly for 14
days cost inclusive of curing etc.
complete all as directed at site
Engineer-inchar e.
 Strengthening structural elements
with non metallic composite fiber
wrapping system comprise of uni-
directional carbon fiber sheet (400
Gsm/sqm) and compatible saturant,
by wet layup system including
surface preparation (
Grinding/MouIding concrete
substrate, cleaning it with wire
brush, removing oils, laitance if
present, rounding sharp edges to
min 25mm radius) etc. complete
including Profiling, Applying
compatible primer on prepared
19.1 300 sqm
substrate, Filling the holes and
uneven surface with thixotropic
putty etc. complete, Mechanized
wetting of fiber sheet: Cutting the
fabric to required size. Mixing of
saturant and filling in tub area of
the saturation machine. Placing the
fiber on metallic rods and pass
through the rollers of machine and
saturant tub ensuring complete
wetting (65% fiber volume
fraction) of fibers. Remove the
fiber on rod and place the new fiber
sheet. Wrapping: Wrapping the
 Providing and fixing carbon
Groove Laminates System (1.4mm
thick and 100 mm wide) with
compatible structural adhesive
including,Profiling: Applying
compatible primer on prepared
substrate, Filling the holes and
uneven surface with thixotropic
putty etc. complete. Application of
Plate: Marking the application area
on structural element, cutting the
plate to require size, applying
19.11 1000 Metre
compatible structural adhesive on
plate in parabolic manner by
adhesive laminating machine, paste
the laminate on desire area by using
tamping roller to avoid any air
voids, post tensioning by applying
required tension to laminate by
appropriate method where required
and as approvedcomplete.Mode of
measurement: Per running meter of
100mm wide and 1.4mm thick
plate applied.

Providing and Fixing in position

Anchor plates made up of high
grade Aluminium (Prestressed)
19.12 inlcuding drilling holes in concrete 1000 each
surface and fixing mechanical
anchor bolt or e uivalent, to fix
Carbon Plates.
Providing and fixing carbon fiber
anchor including drilling hole in the
base concrete fixing the anchor
19.13 using epoxy 50X55 system 1000 each
spreading the anchor fibers in star
pattern includin a lication of
saturant etc. com lete.