Ministry Of Road Transport And Highways Tender

Removing/chipping and cleaning of existing plaster carefully by low impact high frequency hammer without damaging the existing concrete or by control tools including cleaning the surface by air jet etc. complete as per direction and satisfaction of Engineer-in-charge. (NS)

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge. (15.2)

Structural steel/bar repairing work

Applying a coats of alkaline rust remover primer of Fosroc Reebacleen RR or Sika rust off 100 or equivalent (Cleaning existing reinforcement with wire/ rotary wire bruch, making the surfaces free from loose material, dirt etc. complete) on the rebars, including cleaning the reinforcement wire brushing to remove loose rust spalls, clean all rust with water as per the recommendation of manufacturer complete as per direction of Engineer-in-charge. (Including centering and Shuttering)

Supplying rust remover primer of Fosroc Reebacleen RR or Sika rust off 100 or equivalent as per direction of Engineer-in-charge.

Providing and laying anticorrosive Treatment of Reinforcement that Zinc rich Primer of Sika Friazinc R or Fosroc Nito Zinc or equivalent (The application shall be by brush). Process is to be complete as per the recommendation of manufacturer and direction of Engineer-in-charge. (Including centering andShuttering)

Supplying Zinc Rich Primer of Sika Friazinc R or Fosroc Nito Zinc or equivalent as per direction of Engineer-in-charge.

Drilling and fixing injection packers in RC members including, Drilling Holes: Drilling 14 mm dia., D/2 mm (or more as per need) deep holes in structural members at the intervals of 350 mm c/c horizontally and D mm c/c vertically in staggered manner at an angle of 45 degree or as per recommendation of manufacturer and direction of engineer in charge.(D is the section thickness) Cleaning of holes: Clean the holes by air blower prior to fixing nozzles. Fixing of Packers: Insert 12 mm dia., 50~75 mm long NRV packers in cleaned holes with structural grade epoxy adhesive like Sikadur-31 or equivalent. Cutting of Packers: Cut the packers by cut of wheel after completion of grouting without damaging structural elements. (Including centering and Shuttering)

Supplying Low viscous injection grouting epoxy of Sika Sikadur 52 LP or Fosroc Conbdextra EP-10 or equivalent as per direction of Engineer-in-charge.

Epoxy Bonding Agent -Supply and apply a epoxy resin based solvent free bond coat. Product: Fosroc Nitobond EP STD or Sika Sikadur-32 LP or equivalent Consumption: 0.5-0.8 kg/m2. Product requirements: Complies with ASTM C 881 Type II Grade 2 Class B+C. (Including centering and Shuttering)

Providing and laying microconcrete thickness as per the drawing by consultant on the designated area to the prepared slurry tight shuttering with proper shear connector and bonding agent where ever necessary, The fluid micro-concrete repair material shall be a single component, cement based, Fosroc Renderoc RG/STP Shalifix MC/ Sika SikaRep micro-concrete or equivalent to which only the site-addition of clean water ( and approved graded coarse aggregates where specified) shall be permitted. The microconcrete shall contain no metallic aggregates, or chlorides and shall be shrinkage compensated in the plastic state.The micro concrete in the flowable consistency should achieve a compressive strength of 50 N/mm2 after 28 days at 30C. The unrestrained expansion shall be between 1 - 4%. The flexural strength shall not be less than 5 N/mm2 @ 28 days. The mixed density of microconcrete shall exceed 2100 kg/m3 at 27C.strictly following manufacturer instruction direction of ENgineer-in-charge. cost including, suppling, laying,labour, mixing. (Including Centering and Shuttering)

Item for Concrete cover repair work with pre-batched repair mortar

Providing and applying pre batched one componend Polymer modified cementious patch repair mortar of 10-12 mm thick in a layer as per manufacturer recommendation and as direction of EIC: If any where additinal thickness required more than 12 mm , need to applying in two coats. Product : Fosroc Randroc HS Extra / Sika Monotop 122F or equivalent Density : 2250kg/cum Compresive Strength: =50Mpa (28 Days) as per ASTM C 109 Flexureal Strength =3Mpa ( 7 days) As per ASTM C 293-79 (Including Centering and Shuttering)

Curing Compound application by brush/ sprey of High efficiency Polymer based film forming curing agent, Fosroc Concure WB White Std or Sika Antisol or equivalent concrete curing compound is polymer based continuous film forming curing compound and is supplied in various pigmented grades. Clear : Straw liquid curing to a clear film ,Blue : As clear grade but with blue fugitive dye, Specific Gravity : 0.82 - 0.85, When first applied to a fresh cementitious surface the product, forms a continuous, non-penetrating coating. This coating, dries to a form a continuous film which provides a barrier to moisture loss ensuring more efficient cement hydration, improved durability and reduced shrinkage. Finish as per the manufacturer's specification (Including Centering and Shuttering)

Providing precast cement concrete Jali 1:2:4 (1 cement : 2 coarse sand(zone-III) : 4 graded stone aggregate 6mm nominal size ), reinforced with 1.6 mm dia mild steel wire, including centering and shuttering, roughening cleaning, fixing and finishing in cement mortar 1:3 (1 cement: 3 fine sand) etc. complete, excluding plastering of the jambs, sills and soffits 40 mm thick (Including Centering and Shuttering)

Introducing new reinforcement bars for structural connections in RCC Beams and columns including power drilling holes of appropriate diameters in reinforced or plain cement concrete as per given size. Fe 500 D TMT ( If required ) (Including Centering and Shuttering)

8mm x 80mm (Fisher/Hilti)

10mm x 100mm (Fisher/Hilti)

16mm x 160mm (Fisher/Hilti )

Item for General/Plaster Cracks Repair work

Cracks to be cut in 'V' shape groove of 5-8mm deep and 5mm wide with hand grinder and providing and repairing with polymaric cement mortar admix with Nitobnond SBR /Sika Latex/ShaliSBR Latex @ 4-5% of cement and polypropylene fibre@ 100gms/ bag of cement and finish smooth. It should be applying after a neat coat of Nitobond AR as a bond coat. (Including Centering and Shuttering)

Makeing 'V' groove of 10mm wide and 10mm deep over crack line at junction of Brick and RCC by electrically operated angle grinder with diamond concrete saw blade and cleaning it by air blower as directed by Engineer-in-charge. (Including Centering and Shuttering)

Sealing of exposed 'V' groove of 10mm deep and 10mm wide with PU sealant Sika Sikaflex construction or equivalent Providing and applying polyurethane based joint sealant Sikaflex Construction + by caulking gun as per standard method statement including tooling , finishing in a convex profile etc. (Including Centering and Shuttering)

Waterproofing System on Horizontal Slabs Projetcing outward

Grinding of concrete roof with hand grinder and clean the surface to remove dust, loose particles, etc with compressed air or any other suitable technique depending on site conditions, grinding any sharp edges, etc. Also repair all big cracks with polymaric putty/mortar and make surface in workable conditions and water proof. (Including Centering and Shuttering)

Providing and applying a coat of primer of STP Shaliprime WB or Shaliurethane BTD with 1:1 ration diolution with water or equivalent after surface prepration . Apply waterproofing coating after drying the suface. (Including Centering and Shuttering) Providing and appyling two coats of Shaliurethane BTD of STP LTD or equivalent a single component UV resistance, high performance, polyurethane based air cures by reaction with atmospheric moisture to give a tough elastomeric waterproof membrane, It confirms to ASTM C-836 and ASTM D 6083 and has a 400% of elongation. It is supplied in a single grade to meet all site application methods and requirements. The both coats shall be applied by brushes & squeegee wiper application for thickness of 1.2mm approximatly which will embaded firemesh cloth between two coats.Application and methods shall be as per the Instruction of manufacturar's specification. It is applied up to 400 mm over the peraoet walls or as per site-in-charge guideliness. (Including Centering and Shuttering)

Damaged Plaster Chiiping Off and Replastering

Providing and applying 12-15 mm thick plaster with polymaric cement mortar (1:4) admix with Fosroc Nitobnond SBR /Sika Latex/ShaliSBR Latex @ 1-2% of cement and polypropylene fibre@ 100gms/ bag of cement and finish smooth. It should be applying over a neat coat of acrylic based chemical like Nitobond AR of Fosroc/STP/Sika/BASF or equivalent as a bond coat. Providing hexagonal wire mesh before plaster to control the cracks at all brick & concrete joinery. The Scaffolding will be including the rates for work at heights.(Including Centering and Shuttering)

Itme for Brick work

Providing and fixing bricks wall with common burnt clay F.P.S. in up to plinth level wherever required in all shapes and sizes as per site in-charge instructions In Cement mortar 1:4 (1 cement : 4 coarse sand) (Including Centering and Shuttering)

Providing and laying in position cement concrete of specified grade including the cost of centering and shuttering, 1:2:4 (1 cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 20 mm nominal size) (Including Centering and Shuttering)

Providing and fixing UPVC rain water draiange pipes of 125-155 mm diameter as per IS : 4985:2000 specifications (Including Centering and Shuttering)