REHABILITATION OF DISTRESS CONCRETE MEMBERS, STRUCTURAL REPAIRS, REPAIR TO DAMAGE PORTION, FLOORING AND OTHER CONNECTED ITEMS, COMMON AREA, STAIRCASE, PARAPET CHAJJAS AND CONNECTED ITEMS ETC AND MES INSTALLATION AT NCHC POWAI UNDER GE (NW) BHANDUP

M & L for chipping, removing carefully loose / damaged concrete including plastering (total thickness exceeding 40 mm but not exceeding 60 mm) from surfaces of RCC members, in any location by low impact hammer / breakar without damaging the structure & cleaning the surfaces with wire brush etc and disposal of debris outside MOD land complete all as specified and directed. Note : Hard concrete shall not be removed by force.

M & L for cleaning existing reinforcement with wire / rotary wire brush to a shining bright finish, making the surfaces free from loose material, dirt etc complete and applying two coats of alkaline rust converting primer conforming to ASTM-B-117 of make. "Feovert" of "Krishna Conchem" OR "Roff Rust Cleaner' of 'Pidilite' OR 'Shali Rustoff' of 'STP Ltd', on rebars with time interval of 1 hour between the coats, complete all as specified and directed. Note :- Mode of measurement: superficial area of concrete will be measured.

M & L for application of ‘Bi-polar migratory corrosion inhibitor' [Make : M/s. Krishna Conchem (EPCO KP-100) / BASF (MasterProtect®8000Cl)] on RCC surfaces, complete all as specified and directed. Note :- Mode of measurement: superficial area of concrete will be measured.

M & L for anticorrosive treatment to reinforcement using IPNET-RB of M/s Krishna Conchem or Epoxy Zinc Primer of M/s. Dr. Fixit by application on exposed reinforcement in two coats with time interval of minimum 4 hours between each coat. The application shall be done by brush after cleaning / wire brushing to the exposed steel surfaces complete all as specified and directed . Note :- Mode of measurement: superficial area of concrete will be measured.

M & L for Epoxy bond coat of Make Fosroc (NITOBOND-EP) OR EPOXY BONDING AGENT of Dr. Fixit OR equivalent of M/s. Krishna Conchem as approved by GE over exposed concrete surfaces prior to application of any type of mortar / concrete to ensure bond between old concrete & new concrete / new mortar by brush application, complete all as specified and directed.

M & L for building up the profile of structural members using polymer modified mortar from M/s. Krishna Conchem (Molith PMM) OR Polymer mortar HB of Dr Fixit, while the bonding agent is still tacking upto 20 mm thickness, including levelling, profiling etc, complete all as specified and directed.

M & L for building up the profile of structural members using polymer modified mortar from M/s Krishna Conchem (Molith PMM) or Polymer mortar HB of Dr. Fixit, exceeding 20 mm thick and not exceeding 40 mm thick in two layers, each of equal thickness including levelling, profilling etc, complete all as specified and directed.

M & L for casting & repairing of excessively damaged distressed RCC members (exceeding 60 mm in thickness) with prebatched, prepacked, single component ready to use microconcrete from FOSROC (Renderoc RG) or equivalent or Dr fixit as appoved by GE, at any level / height and at any lead or lift as directed including prefabricated water tight formwork, centering, scaffolding, also including mixing, laying, levelling, finishing, curing etc as per manufacturers specifications and all other relevant works, complete all as specified and directed. Note : Reinforcement only shall be measured and paid separately.

S & F TMT bars 10 mm dia & 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 0.9 mm dia or securing with clips complete all as specified and directed.

S & F TMT bars 6 to 8 mm dia, 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 0.9 mm dia or securing with clips complete all as specified and directed.