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| 1 | 1) The estimated amount is exclusive of GST.2) The Bidder should quote basic rates exclusive of GST and quote GST percentage separately. GST should be revised from time to time. |
| 2 | Retaining walls, return walls, walls (any thickness) including attached pilasters, buttresses, plinth and string courses fillets, kerbs and steps etc. |
| 3 | Providing and fixing double scaffolding system (cup lock type) on the exterior side, up to seven story height made with 40 mm dia M.S. tube 1.5 m centre to centre, horizontal & vertical tubes joining with cup & lock system with M.S. tubes, M.S. tube challies, M.S. clamps and M.S. staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after. The scaffolding system shall be stiffened with bracings, runners, connection with the building etc wherever required for inspection of work at required locations with essential safety features for the workmen etc. complete as per directions and approval of Engineer-in-charge. The elevational area of the scaffolding shall be measured for payment purpose. The payment shall be made once irrespective of duration of scaffolding. Note: - This item to be used for maintenance work judicially, necessary deduction for scaffolding in the existing item to be done. |
| 4 | 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 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 Engineer-In-Charge. 75 mm average thickness |
| 5 | Corrosion Protection to Existing Reinforcement: Supply and apply of single component liquid rust remover that temporarily prevents further rusting of steel structures by providing a passivating coat. Consumption: 0.2 Kg./m2/coat with the following specifications. Density: 1.01 Kg./l at 300C. Make of product. Sika Rustoff 100 or equivalent product in Fosroc/Dr Fixit. |
| 6 | Supply and apply a 1-component, cementitious, polymer modified bonding primer Cu.m reinforcement corrosion protection coating containing corrosion inhibitors and recycled materials to reduce environmental waste with the following specification.Mortar Density : 2.0 ± 0.05 Kg./L Consumption: 1.5–2.0 Kg. of powder per m2 per 1 mm layer thickness Compressive Strength: ~50 MPa after 28 days as per EN 12190; Tensile Strength:~2.0 MPa after 28 days as per EN 1542; Corrosion Test : pass as perEN15183. Make of product: Sika Monotopo 1010 IN or equivalent product in Fosroc/Dr Fixit. |
| 7 | Structural Crack Treatment: Supply and apply a shrinkage free low viscous, structural grade epoxy resin based injection grout with under mentioned specification. Mixed Density 1.1 kg/l (at +27°C)Viscosity ~ 250 mPas at +30°CProduct should comply according to ASTM C 881, Type II and IV, Grade-1, Class E+F and should have below properties.Compressive strength >= 70 N/mm2 (7 days) according to ASTM C 579; Tensile Strength ~ 50 N/mm2 (after 7 days at +30°C cure) (According to ASTM D 638); Tensile Modulus ~ 2000 N/mm2 (after 7 days at +30°C cure) (According to ASTM D 638); Bond Strength ~ 10.8 N/mm2 (failure in concrete) after 14 days at +30°C cure; Flexural strength ~ 50 N/mm2 according to ISO 178. Make of product: Sikadur®-55 LP IN or equivalent product in Fosroc/Dr Fixit. |
| 8 | Supply and apply Sealing of exposed \"V\" groove of 5mm deep and 5mm wide with solvent-free, moisture tolerant, thixotropic, two part structural adhesive and repair mortar, based on epoxy resins and special fillers, designed for use at temperatures between +10°C and +40°C. With the following product specification.Yield: 0.6 ltr/kg.Product requirements: Conforms to ASTM C 881-78, Type I, Grade 3, Class B+C; compressive strength > 60 N/mm2 (14 days) according to ASTM C 881; bond strength > 10 N/mm2 (7 days) according to ASTM C 882.Make of product: Sikadur- 31 IN or equivalent product in Fosroc/Dr Fixit. |
| 9 | Supply & Apply an epoxy resin based, 2-part, thixotropic, high performance anchoring adhesive for anchoring threaded rods and reinforcing bars in both cracked and un-cracked concrete dry or damp concrete where ever required in RCC members including power drilling, cleaning of holes, then rebar’s should be inserted in holes that should be filled with epoxy to ensure the bond as per manufacture recommendation complete as per site requirement and directions of Engineer-in-charge.Product characteristics should have Long open Time, Can be used in damp concrete, High load capacity, ETA for anchoring in cracked concrete, ETA for post installed rebar connections, Seismic tested (C1 & C2), Suitable for contact with drinking water, Fire resistant and Styrene-free with the following product specification.Compressive Strength ~95 N/mm2 (7 days, +20 °C) as per ASTM D 695, Tensile Strength in Flexure ~45 N/mm2 (7 days, +20 °C) as per ASTM D 790, Tensile Strength ~23 N/mm2 (7 days, +20 °C) as per ASTM D 638, Modulus of Elasticity in Tension ~5500 N/mm2 (7 days, +20 °C) as per ASTM D 638.Make of product: Sika AnchorFix®-3030 or equivalent product in Fosroc/Dr Fixit. 16 mm x 160 mm |
| 10 | 20 mm x 200 mm |
| 11 | For Patch Works on the Slab: With Polymer Modified Mortar: Supply and apply a pre-batched one component polymer modified cementitious, dual shrinkage compensated, patch repair mortar with the following product specification.System requirements: compressive strength >= 45 N/mm2 (28 days) according to ASTM C 109 The product shall be built 50 mm layer thickness at once.Make of product: SikaEmaco S 348 or equivalent product in Fosroc/Dr Fixit |
| 12 | Supply and apply a polymer modified site batched patch repair mortar. Ratio SBR based multi proposal polymer. Water:Cement:Sand = 1:4:8:32 with the following product specification. Modified cementitious mortar. Yield: 0.02 ltr/Kg. of mortar (considering 10% polymer by weight of cement). Product requirements: styrene butadiene rubber emulsion; polymer content > 35%. Make of product: Product: Sika® Latex SBR or equivalent product in Fosroc/Dr Fixit. |
| 13 | For Wall Dampness: Water proofing capability and Anti Carbonation top coating system: Supply and apply one part, plasto-elastic coating based on UV-curing acrylic dispersion with excellent crack-bridging properties, protective coating system to achieve DFT (Dry Film Thickness) of 150 microns in two coats @ 0.2 kg/sqm after application of one coat of Silane Siloxane modified Primer @ 0.2 kg/sqm on concrete surface including Surface preparation by high pressure water jet or manually as per direction of Engineer-In-Charge in recommended RAL Shades with the following product specification. Specific gravity of 1.4 kg/l, Solid content > 70%, Adhesion with concrete > 1.5 N/mm², Equivalent air layer thickness, SDCO₂ shall be >50m, Equivalent air layer thickness, SDH₂O < 4m, Elongation > 200%, Crack Bridiging Capacity > 2.0 mm. Make of product:Primer: Sikagard®-551S Elastic Primer and Coating: Sikagard®-550 W (IN) or equivalent product in Fosroc/Dr Fixit. |
| 14 | Supply and apply a ready to use, factory designed pourable, shrinkage compensated, free flowing and self-compacting superior performance micro concrete with the following product specification.Yield: approx. 15.68 ltr/bag (30Kg.) for fresh mortar (depending on the size and quantity of coarse aggregate added).Product requirements: compressive strength > 65 N/mm2 (28 days) according to ASTM C 109.Flexural Strength : 9 Mpa in 28 days (ASTM C 293)Splitting tensile strength : >3.5 Mpa (28 Days) as per ASTM C496.Flow : 280 mm (ASTM C 1437) Make of product: Sikacrete®-165 IN or equivalent product in Fosroc/Dr Fixit. |
| 15 | Terrace and Chajjas Water proofing System:Providing & applying shrinkage compensated cement based flowable, expanding grout in pipe penetration & keep 20mm minimum gap from front side and having bulk density ~1.35 kg/l at 27°C. The grout should comply to ASTM C 1107 and should have following physical properties: Compressive Strength at ambient temperature of +30°C according to ASTM C 109 in 1 day ~25 N/mm2, in 3 days ~35 N/mm2, in 7 days ~45 N/mm2 and in 28 days ~65 N/mm2; Flexural Strength at ambient temperature of +30°C according to ASTM C 293 in 7 days ~7 N/mm2 and in 28 days ~9 N/mm2; E-Modulus ~37,000 N/mm2. Fill the gap with solvent free, moisture insensitive epoxy resin based patch repair putty on pipe penetration surfaces. The putty shall be applied to a thickness of minimum 20mm on pipe penetration joint to concrete with the following physical properties. Yield: 0.6 ltr/kg. Product requirements: suitable for submerged condition; compressive strength of 40 N/mm2 (1 day) according to IS 9162-1979.Make of product: Sikagrout 214 of High strength non-shrink pourable cementitious precision grout or equivalent product in Fosroc/Dr Fixit. Providing and making coving using 1:3 CM with dual shrinkage compensated mortar.Sealing of cracks and construction joints: making groove & filling with PU sealant followed by application of PU waterproofing followed by of fleece reinforcement over crack.Cleaning the internal surface thoroughly shall be free of loose concrete, sharp protrusions this shall be assured using mechanical grinding of substrate Waterproofing Layer:On the prepared surface providing and applying epoxy primer at 250-300g based on surface porosity followed by application of providing and applying >98% solids, two component PU waterproofing1.5mm DFT. Apply GSM 40 as intermediate mesh/ membrane. Waterproofing shall have following performance propertya) Tensile: 6-8 Mpa as per ASTM D 412 b) Elongation: >600% as per ASTM D 412 c) Shore A hardness 75±5d) Crack bridging > 3.2mm e) Water absorption < 1%Terminations of waterproofing:- Waterproofing membrane shall be terminated in a grove at 300mm above finished floor level followed by filling same with non-shrink mortar. All areas where waterproofing is exposed shall be protected with UV Top Coat which shall be two component applied at 300g per sq.m Fourth Part: UV Stable Top Coat:Primer: Providing and Applying a Coat primer at the rate of 0.2-0.3 kg/m² UV Coating: Providing and applying first coat of Sika® Cool Coat, Single component, acrylic based flexible, micro-fiber reinforced waterproofing and heat reflective coating system having ~ 66% solids, at 0.75 kg/m²/ coat in two coats between the time intervals of 6-8 hours. Product properties should be as follows:- Tensile Strength 1.5 MPa ASTM D412 Elongation at Break > 200% ASTM D412 Adhesion in Peel > 1.5 MPa (on concrete substrate) EN 1542 Crack Bridging Ability Passes up to 3.2mm Width ASTM C1305 Permeability to Water Vapour Passes IS 2645 Water Vapour Transmission ~ 23 g/m²/24hr ASTM E96 Water Absorption < 10% ( by Mass) ASTM D570Microbiological Resistance No Algae & Fungal Growth ASTM D5590 Solar Reflectance Index 102 ASTM E1980. Make of product: Sikalastic M 862 of PU water proofing, Sika cool coat primer or equivalent product in fosroc/Dr fixit. |
| 16 | Horizontal Expansion Joint Treatment: Cleaning the surface thoroughly shall be free of loose concrete, sharp protrusions this shall be assured using mechanical grinding of substrate, cleaning all the joint area etc. Profile Correction/Edge Repair: Pre-dampen the surface to a saturated surface dry condition. The surface should not be allowed to dry before application of the concrete repair mortar. The surface should have a darkenedMat appearance without glistening and the surface should not have free-standing water. Providing & applying polymer modified one component repair mortar by mixing with water i.e. 3.9 Ltr water per bag of using slow speed electric mixer, care to be taken to maintain water powder ratio to be maintained 0.13 by weight always whenever mixing should be done irrespective of quantity to be mixed. Put around 80 to 90% of required water in the mixing drum, followed by polymer modified one component and then add the balance water. Apply mixed material to correct the broken edges profile when applied manually, press the repair mortar firmly with a trowel, pushing it well on to the substrate and curing properly as per standard practice.Expansion Joint Treatment: Providing and applying 200mm tape over the well prepared expansion joint using adhesive IN, two part epoxy adhesivein the raio Part A : Part B = 2:1 by weight. Properties of the Adhesive & Tape are as follows:Adhesive properties: Chemical base: Epoxy resin and selected fillers;Packaging: Part A+B pre-batched 6 kg setPart A 4 kg container; Part B 2 kg containerColour: Part A+B mixed Concrete greyPart A White and Part B BlackDensity ~1.6 kg/L (Part A+B mixed, +30 °C)Compressive strength Curing time (+30 °C) (ASTM D695)3 day 50 N/mm2; 7 days 55 N/mm2Tensile adhesion strength Substrate Adhesion strength (EN 1542)Concrete (dry) > 2 N/mm2 *;Concrete (mat damp) > 2 N/mm2 *Steel (blast cleaned) > 2 N/mm2* failure in concrete Expansion Joint Tape Properties:Chemical Base: Modified flexible polyolefin (FPO);Shore D Hardness: ~35 (DIN 53505);Resistance to Impact ≥ 800 mm (Method B) (EN 12691);Resistance to Root Penetration Pass (CEN/TS 14416);Resistance to Static Load ≥ 15 kg (Method C) (EN 12730);Tensile Strength > 12 N/mm2 (Method A) (EN 12311-2)Elongation ≥ 650 % (EN 12311-2);Resistance to tear (nail shank) MD / CMD ≥ 280 N (EN 12310-1);Joint Shear Resistance ≥ 300 N/50 mm (EN 12317-2); Water Tightness Pass (Method B, 24 hours / 60 kPa) (EN 1928);Durability of Water Tightness against Ageing: Pass (+70 °C / 12 weeks) (EN 1296);Durability of Water Tightness against Chemicals: Pass ((Ca(OH)2, 28 days / +23°C) (EN 1847);Pass (Method B, 24 hours / 60 kPa) (EN 1928)Reaction to Fire Class E (EN ISO 11925-2); Effective Thickness 1mm (-5 % / +10 %). Make of product: SikaTop-122 HS of polymer modified one component, Sika Combiflex SG system tape or equivalent product in Fosroc/Dr Fixit. |
| 17 | Vertical Expansion Joint Treatment: Surface Preparation: Cleaning the surface thoroughly shall be free of loose concrete, sharp protrusions this shall be assured using mechanical grinding of substrate, cleaning all the joint area etc.Profile Correction/Edge Repair: Pre-dampen the surface to a saturated surface dry condition. The surface should not be allowed to dry before application of the concrete repair mortar. The surface should have a darkened matt appearance without glistening and the surface should not have free-standing water. Providing & applying polymer modified one component repair mortar by mixing with water i.e. 3.9 Ltr water per bag of using slow speed electric mixer, care to be taken to maintain water powder ratio to be maintained 0.13 by weight always whenever mixing should be done irrespective of quantity to be mixed. Put around 80 to 90% of required water in the mixing drum, followed by polymer modified one component and then add the balance water. Apply mixed material to correct the broken edges profile when applied manually, press the repair mortar firmly with a trowel, pushing it well on to the substrate and curing properly as per standard practice.Expansion Joint Treatment: Providing and applying 200mm tape over the well prepared expansion joint using adhesive IN, two part epoxy adhesive in the ratio Part A : Part B = 2:1 by weight. Properties of the Adhesive & Tape are as follows: Adhesive properties: Chemical base: Epoxy resin and selected fillers; Packaging: Part A+B pre-batched 6 kg set Part A 4 kg container; Part B 2 kg container Colour: Part A+B mixed Concrete grey Part A White and Part B Black Density ~1.6 kg/L (Part A+B mixed, +30 °C) Compressive strength Curing time (+30 °C) (ASTM D695) 3 day 50 N/mm2; 7 days 55 N/mm2 Tensile adhesion strength Substrate Adhesion strength (EN 1542) Concrete (dry) > 2 N/mm2 *;Concrete (mat damp) > 2 N/mm2 *Steel (blast cleaned) > 2 N/mm2* failure in concreteExpansion Joint Tape Properties: Chemical Base: Modified flexible polyolefin (FPO);Shore D Hardness: ~35 (DIN 53505);Resistance to Impact ≥ 800 mm (Method B) (EN 12691);Resistance to Root Penetration Pass (CEN/TS 14416);Resistance to Static Load ≥ 15 kg (Method C) (EN 12730);Tensile Strength > 12 N/mm2 (Method A) (EN 12311-2)Elongation ≥ 650 % (EN 12311-2);Resistance to tear (nail shank) MD / CMD ≥ 280 N (EN 12310-1);Joint Shear Resistance ≥ 300 N/50 mm (EN 12317-2); Water Tightness Pass (Method B, 24 hours / 60 kPa) (EN 1928);Durability of Water Thightness against Ageing:Pass (+70 °C / 12 weeks) (EN 1296);Durability of Water Tightness against Chemicals: Pass ((Ca(OH)2, 28 days / +23°C) (EN 1847);Pass (Method B, 24 hours / 60 kPa) (EN 1928)Reaction to Fire Class E (EN ISO 11925-2); Effective Thickness 1mm (-5 % / +10 %)Make of product: SikaTop-122 HS of polymer modified one component, Sika Combiflex SG system tapeor equivalent product in Fosroc/Dr Fixit. |
