REPAIR TO RCC CHAJJAS, FACIA AND ROOF AND CERTAIN B AND R ITEMS AT DEFENCE LAB JODHPUR

Amount

Demolition of Re-inforced Cement Concrete in any position and any description including cutting of reinforcement bars to facilitate demolition complete all as specified and directed by Engineer-in-charge. Note : Cost for use of scafolding upto 10 mtr height of bulding is including in this item.

M&L RCC 1:2:4 type B-1 (using 20 mm graded stone agg) as in slab and shelves/staging of tank supported on walls complete all as specified and directed by Engineer-in-charge. Note: Cost for use of scafolding upto 10 mtr height of bulding is including in this item.

M&L for mild steel TMT bars 10 mm 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 0.9 mm dia or securing with clips complete all as specified and directed by Engineer-in-charge. Note: Cost for use of scafolding upto 10 mtr height of bulding is including in this item.

M&L for mild steel TMT bars 8 mm 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 0.9 mm dia or securing with clips (for stirupps)complete all as specified and directed by Engineer-in-charge. Note: Cost for use of scafolding upto 10 mtr height of bulding is including in this item.

M&L for taking down and removal of loose / disintegrated old concrete / plaster and applying average 15mm thick bonding coat of modified styrene butadiene Emulsion (SBR Bonding agent i.e. Nitobond SBR 45) in proportion 1 (Nitobond SBR 45) : 1(water) : 3 (OPC) by volume with the brushes etc to bind New Cement plaster/ polymer Modified plaster/ concrete/ screed concrete with old surface etc complete. Note : Cost for use of scafolding upto 10 mtr height of bulding is including in this item.

M&L applying average 10mm thick plaster with polymer modified mortar fortified with SBR (Nitobond SBR 45 ) in proportion 1:3 (cement & sand) with mixing Nitobond @ 5 litres/Bag of cement, finished surface to match with existing adjoining surface of ceiling, Chajjas, facia, beams and alike complete. Note : Cost for use of scafolding upto 10 mtr height of bulding is including in this item.

M&L and applying two coats of 2 component zinc based epoxy rust preventer (Nitozinc Primer-M) on corroded reinforcement after cleaning and removing the rust from corroded reinforcement with the help of wire brush and treating it with rust remover (Reebaklens RR) including thoroughly cleaning washing air blowing brushing etc complete and applying as per manufactruring instructions. Make : Dr. Fixit or equivalent. Note : Qty of Zinc based epoxy rust prevent or only shall be taken into account for payment purpose on the basis of actual consumption. Note : Cost for use of scafolding upto 10 mtr height of bulding is including in this item.

Taking down of cement or cement plaster work any description from brick or stone wall etc including roof facia, scrubbing down with water etc complete all as specified and directed by Engineer-in-charge. Note : Cost for use of scafolding upto 10 mtr height of bulding is including in this item.

M&L for 15 mm thick rendering in cement mortar 1:4 on fair faces of brick work/stone or concrete surfaces including roof facia and finishing the surface even and smooth without using extra cement incl WPC complete all as specified and directed by Engineer-in-charge. Note:- (a) Water proofing compound should be measured and paid separately under item Sch'A' (b) Cost for use of scafolding upto 10 mtr height of bulding is including in this item.

M&L for 10mm thick rendering on any type of masonry surface in cement mortar 1:6 without using extra cement complete all as specified and directed by Engineer-in-Charge. Note:- (a) Cost for use of scafolding upto 10 mtr height of bulding is including in this item.

M&L for 5 mm thick plaster in cement mortar (1:3) on surface of ceiling and finishing the surface even and smooth without using extra cement all as specified and directed by Engineer-in-Charge. Note:- (a) Cost for use of scafolding upto 10 mtr height of bulding is including in this item.

Supply only Liquid water proofing compound.

M&L for preparing newly plastered/unplastered or previously untreated walls surfaces and applying two coats of cement base paint over one coat of primer on plastered surfaces,complete all as specified and directed by Engineer-in-charge. Note : Cost for use of scafolding upto 10 mtr height of bulding is including in this item.

M&L for preparing new plastered surfaces and applying two coat of oil emulsion (bound) disptemper on wall complete all as specified and directed by Engineer-in-Charge. Note : Cost for use of scafolding upto 10 mtr height of bulding is including in this item.

M&L for preparing new plastered surfaces and applying two coat of white wash on ceiling complete all as specified and directed by Engineer-in-Charge. Note : Cost for use of scafolding upto 10 mtr height of bulding is including in this item.

M&L for racking out joints/pointing to squared rubble masonry, coursed or uncoursed in cement mortar complete all as specified and directed by Engineer-in-Charge.

M&L for flush pointing to sqared rubble, coursed or uncoursed stone masonry wall in CM 1:3 complete all as specified and directed by Engineer-in-Charge.

Demolition of cement concrete in Roofs, floors (other than ground floors), beams, staircases, landing, chajjas and similar suspended work and removing the dust debris/foreign matter etc to a distance 50 mtr but n.exc 250 mtr from the work site complete all as specified and as directed by Engineer-in-Charge.

M&L plain cement concrete type B-1(1:2:4) using 20 mm graded crushed stone aggregate as in padding over roof for making good depression/undulation to match the existing as filling in depression of roof slab surface of roof / maintain slope and rounded at joints of wall incl water proofing compound complete all as specified and as directed by Engineer-in-Charge. Note:- (a) Water proofing compound should be measured and paid separately under item Sch'A'

Providing Fibre Reinforcement Technology for Water Proofing technology with extra durability and toughness with the help of cotton membrane. Process of Application :- After cleaning the existing surface with wire brush steel grade , emery paper and wash properly and dried with the help of compressor air pump or drier.The surface should be free from loose particle, dust , oil or greese etc. Step-1:- Apply solution of Smart C.C.P Mix + (Nano Technology Base Polymerised Compound) (1Ltr + Cement- 1.5 Kg) as a base coat for better adhesion of base with coating. Step-2 :- Apply Non Wooven Polymer Membrane on the surface with the help of Smart Master Coat EHB (Extra Heavy Bond) and press the cloth with iron blade. After pasting the polymer membrane wait for 5-6 Hours Step-3 :- Apply 2 coats of glass coating made up of Nano Technology Based Super Water repellent and dust repellent Nano Top Coat. Make : Nushar & Equivalent Note : Work will be carried out through authorized applicator only.

Dismantling floor, hearth or wall tiling including cement mortar bedding (but not backing), removing serviceable tiles to store and rubbish off the premises

M&L Glazed ceramic coloured (colour & shade as approved) tile 450x300x7 mm thick on vertical surface such as skirting / dado set and jointed in neat cement slurry over & including 10 mm thick rendering in cement mortar (1:4) and pointed in white/ coloured cement with pigment to match the colour of tiles complete all as specified.

M&L Non - skid Ceramic tiles 7 to 8 mm thick area of each tile exceeding 0.18 sqm but not exceeding 0.38 sqm, in floors etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match, in floors etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match & including 20 mm thick screed in cement mortar (1:6) and pointed in white/ coloured cement with pigment to match the colour of tiles complete all as specified.

M/s RKG CONSTRUCTIONS (BID ID -3224176)

HOODA CONSTRUCTION COMPANY (BID ID -3224978)

SHRI BHIKSHU ART AND CONSTRUCTION CO (BID ID -3225295)

GB Group & Co (BID ID -3224685)