REPAIR TO CHAJJAS, FACIA, PARAPET, PLASTERING, CLEANING OF WATER TANK AND CONNECTED B/R WORK IN AOR OF AGE B/R UNDER GE (U) MEERUT CANTT.

M&L for followings :- (i) Removing plaster & finishes all around the coloumns, slabs & beams (on all four sidescription of column to full height , three sidescription of beam to entire span & bottom of slab to area as directed) (ii) After cleaning gently removing cover concrete using pneumatic/electric chipper or any other approved tool in entire portion of structural member (removal of cover concrete shall be done to an extent when reinforcement is visible) (iii) Removal of cover concrete with under cutting of up to a depth of 20mm beyond reinforcement around full circumference & full length of bar where directed. (concrete shall be stripped to an extent concrete substrate is exposed) (iv) Cleaning exposed concrete substrate by using water jet. (v) Removing visible rust along the length of reinforcement using hand tools as approved. (vi) Any other work as directed by Engr-in-charge to present clean surface for determination of type of repair to be carried out complete all as specified and directed.M&L for providing rust proof /anti corrosive treatment to bars :- (i) cleaning of all exposed bars (new & old) alround (ii) Apply a single coat of Alkaline rust converting primer on alround bars new & old as recommended by the manufactuer (iii) Apply two coats of Epoxy phenolic anti corrosive protective coat on bars alround new & old as recommended by the manufactuer. (Note:-Steel / wooden scaffoding upto 4 story height will be measured and paid separately)

M&L for providing PMM (Polymer modified cementitious mortar) :- (i) Dry sub strate surface and free of debris & dust (ii) Applying Epoxy bond coat on the sound substrate using approved spray machine & ensuring that no pin holes are visible.(In case pin holes are still visible after a coat, a second coat shall be applied to ensure absence of pin holes). (iii) Immediately after application of epoxy bond coat as above apply PMM (Polymer modified cementitious mortar) of 25 mm thickness. Note : Application of PMM shall be preferably be in coats of appx 10mm thickness. PMM work shall be executed in fairely rapid successions so as entire work is completed with in 30 mins). PMM shall be pre packed ready to use. (iv) PMM surface to be moist cured for three days followed by air curing in temperature as recommended by manufactuer complete all as specified and directed. (Note:-Steel / wooden scaffoding upto 4 story height will be measured and paid separately) Make: Fosroc, Dr.Fixit, UltraTech, Thermax, Sikka, STP or equivalent as approved by GE

M & L for scaffoding steel/ wooden to bldg upto 4 story height to carry out repair work complete all as specified. Note - only front face will be measure and paid (LxH)

M&L for Providing & Pouring Micro concreting M-40 grade :- (i) Dry concrete substrate surface and free of debris & dust (ii) Applying Epoxy bond coat on the sound concrete substrate using approved spray machine & ensuring that no pin holes are visible. (In case pin holes are still visible after a coat, a second coat shall be applied to ensure absence of pin holes). (iii) Immediately after application of epoxy bond coat as above pour Micro concreting M40 grade of approved make using approved mixing machines/pumping under pressure via approved pneumatic pump at the locations to be repaired in RCC beams & columns etc,. Adding of aggregates will be permitted only as per manufacturer’s recommendation without compromising the strength. The rate shall include cost of all materials (except re-bar) labour charges for mixing, pouring concrete, cost of tools, lead & lift of materials, transportation etc., complete all as specified and directed. Note : The cost of micro concrete M-40 grade & Epoxy bond coat is inclueded in this item. Make: Fosroc, Dr.Fixit, UltraTech, Thermax, Sikka, STP or equivalent as approved by GE

M&L for Drilling & chemical anchoring of new rebars/stirrups :- (i) Drilling in to the sound RCC members for anchoring of rebars/stirrups as directed, the dia of hole to be match with dia of rebar & length of drilling as under :- 10/12 mm dia bar - drilling length 80 to 100 mm - Note : Anchoring of new re-bars of any dia as directed in to the sound RCC members as directed using pure epoxy resin anchoring mortar of approved make with appropriate diameter of drilling of holes as mentioned above for proper bonding into the concrete etc, complete all as specified & directed . (The cost of drilling hole & chemical anchoring with epoxy resin is inclueded in this item)

M&L for use & waste of form work using steel sheets , steel bracing, propping etc around structural members where micro concreting to be done and keeping form work in position till required specified period complete all as specified and directed. Note : Form work shall be 100% leak proof. For purpose of payment area in touch with concrete shall be measured.

Demolition of RCC work as in Roofs, floors (other than ground floors), beams, staircases, landing, chajjas and similar suspended work if cement concrete is reinforced (reinforcement cut as required to facilitate demolition) complete all as specified and directed.

M & L for TMT bars 10mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified & directed.

Taking down cement plaster, any description on brick or stone or cement concrete walls including raking out joints, hacking for key, scrubbing down with water complete all as specified & directed..

M&L for 15 mm thick ready mix plaster on fair faces of brick or stone/concrete surfaces in wall and ceiling and finished surface even and smooth without using extra cement complete all as specified. Make:-birala/ultra tech/fosroc/thermax or equivalent as approved by GE.