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| 1 | Providing and applying cold liquid Polyurethane waterproofing system |
| 2 | Providing and applying cold liquid Polyurethane waterproofing system on Horizontal surfaces including coving (if any) having following layers:(a) Primer / base coat: Providing and applying (Pre-Measured Packed) silver grey coloured 2 (two) component solvent free, odourless,Epoxy-based Primer with excellent adhesive property on the clean and grinded surface/substrate. The substrate can be slightly moist (in concrete, the moisture must be less than 20 %), sound and free from any material that would hinder good adhesion. Mix component \"A\" into component \"B\" in ratio of 1: 0.16 by weight thoroughly with a clean stirring stick. The mixture should be of uniform colour & free from streaks and be applied evenly with roller. The primer should be completely dry for further application of liquid applied polyurethane based membrane/ coating.The consumption, depending on the nature and condition of the substrate for priming, should be within the range of 250 – 400 gm/sq.m. The rate shall including cost of all material, labour, tools & plants, consumables etc. complete all as directed by EIC.(b) Top coat: Providing and applying cold liquid applied waterproofing based on highly flexible solvent free single component Polyurethane system and special needle punched non woven, system compatible polyester fleece of minimum 120 GSM as reinforcement. The cold liquid applied reinforced system shall have high crack bridging property and shall be UV stable, solvent-free, Cool Roof system. Application procedure: (i) Stir the material well before use. (ii) 2/3rd of the waterproofing mix material to be applied on the primed substrate and the special polyester fleece of min. 120 gsm to be rolled with roller including removal of air bubbles with an overlap of min. 5 cm. (iii) The remaining 1/3rd of the waterproofing material to be poured onto the surface until complete saturation is achieved. The layers should be applied on wet surface of earlier coat and there should not be any time lag during the laying of the system. (iv) After curing, one coat of material approx. 300g/sq.m. to be applied after 24 hours. (v) The total system of waterproofing for material and components shall be procured from single manufacturer.(vi) The total thickness achieved from the application should be from 1.4 to 1.7 mm. (vii) The total consumption of mix waterproofing depending on the nature, porosity and condition of the substrate should be in the range of 2.3 to 2.7 kg/sq.m. The rate shall including cost of all material, labour, tools & plants, consumables etc. complete all as directed by EIC. Specifications/Technical Parameters: The tensile strength of the membrane shall be min. 8.60 N/sq.mm and Elongation at break with fleece shall be min. 83.0 % (with fleece). The Tear Resistance of the membrane shall be min. 41.0 N/mm,Solar Reflection Index (SRI) Value of membrane shall be min. 100, Degree of solar reflectance of the membrane shall be min. 85% and adhesive strength shall be min. 2.40 N/sq.mm. etc.Note : The contractor shall provide min. 10 (ten) years Leak Proof Performance warranty for the complete waterproofing work. |
| 3 | Providing and applying cold liquid Polyurethane waterproofing system on Vertical surfaces above coving (if any) having following layers:(a) Primer / base coat: Providing and applying (Pre-Measured Packed) silver grey coloured 2 (two) component solvent free, odourless,Epoxy-based Primer with excellent adhesive property on the clean and grinded surface/substrate. The substrate can be slightly moist (in concrete, the moisture must be less than 20 %), sound and free from any material that would hinder good adhesion. Mix component \"A\" into component \"B\" in ratio of 1: 0.16 by weight thoroughly with a clean stirring stick. The mixture should be of uniform colour & free from streaks and be applied evenly with roller. The primer should be completely dry for further application of liquid applied polyurethane based membrane/ coating.The consumption, depending on the nature and condition of the substrate for priming, should be within the range of 250 – 400 gm/sq.m. The rate shall including cost of all material, labour, tools & plants, consumables etc. complete all as directed by EIC.(b) Top coat: Providing and applying cold liquid applied waterproofing based on highly flexible solvent free single component Polyurethane system. The cold liquid applied reinforced system shall have high crack bridging property and shall be UV stable, solvent-free, Cool Roof system. Application procedure: (i) Stir the material well before use. (ii) 50% of the waterproofing mix material to be applied on the primed substrate with roller including removal of air bubbles with an overlap of min. 5 cm and until complete saturation is achieved. (iii) After curing, balance 50% of material to be applied after 24 hours. (iv) The total system of waterproofing for material and components shall be procured from single manufacturer.(v) The total thickness achieved from the application should be from 0.47 to 0.57 mm. (vi) The total consumption of mix waterproofing depending on the nature, porosity and condition of the substrate should be in the range of 0.77 to 0.80 kg/sq.m. The rate shall including cost of all material, labour, tools & plants, consumables etc. complete all as directed by EIC. Specifications/Technical Parameters: The tensile strength of the membrane shall be min. 8.60 N/sq.mm and Elongation at break with fleece shall be min. 83.0 % (with fleece). The Tear Resistance of the membrane shall be min. 41.0 N/mm,Solar Reflection Index (SRI) Value of membrane shall be min. 100, Degree of solar reflectance of the membrane shall be min. 85% and adhesive strength shall be min. 2.40 N/sq.mm. etc.Note : The contractor shall provide min. 10 (ten) years Leak Proof Performance warranty for the complete waterproofing work. |
| 4 | Providing and fixing G.I. chicken mesh in the junctions of concrete & brick work / masonry or as directed by the Engineer in charge including cutting, fixing with nails in position before plastering complete all as directed by the Engineer-in-charge. (only area of the chicken mesh used alone will be measured) |
| 5 | Providing and Painting two coats of synthetic enamel paint on Steel Surfaces of approved brand and manufacture to give an even shade without primer coat.including preparation of the surfaces, scaffolding complete. as per specifications and as directed by the Engineer-in-charge. |
| 6 | Providing and painting old walls TWO coats on existing cement paint surface applied with fine textured exterior paint of approved make, required shade, including preparation of the surfaces, scaffolding complete. as per specifications and as directed by the Engineer-in-charge. (In plain plastered / sand face plastered / concrete surfaces) |
| 7 | Providing and painting old walls TWO coats on existing cement paint surface with fine textured exterior paint of approved make, required shade, including preparation of the surfaces, scaffolding complete. as per specifications and as directed by the Engineer-incharge. (Over rough cast plastered surface) |
| 8 | Providing and fixing double tubular scaffolding system using H-frames with cup lock type on the exterior side upto seven story height made with 40 mm dia M.S. tube 1.5 m centre to centre horizontal and vertical tubes joining with cup and lock system with M.S.tubes,M.S.tubechallies,M.SclampsandM.Sstaircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved andremovingitthereafter.The scaffoldingsystemshallbe stiffenedwithbracings,runners,connectionwithbuildingetc.wherever required for inspection of work at required locations with essential safety features for the workmen etc. complete as per directionsandasapprovedbytheEngineer-in-charge.Theelevational area of the scaffolding shall be measured for payment purposes.Thepaymentshallbemadeonceirrespectiveof duration of scaffolding. |
| 9 | Dismantling roofing including ridges, valleys and gutter etc and stacking the material within 50 m lead. |
| 10 | G.S Sheet / FRP Sheet / AC Sheet |
| 11 | Dismantling old plaster / skirting carefully , raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 100 m lead. |
| 12 | Lead charges for lead Exceeding 3 KM but not exceeding 4 KM, by mechanical transport including loading, unloading, stacking / levelling etc.Note: The rates are applicable for NET Quantities arrivedafter making deduction for voids @ 30% from corresponding TRUCK Measurement. |
| 13 | Debris Beyond 3 Km but up to and including 4 km |
| 14 | Providing structural repairs in old damaged concrete structures / surfaces with approved Polymer with following operations 1) Removal of loose/Spalled or damaged concrete by chipping and cleaning the concrete surface and reinforcement steel with wire brush and with water 2) Cleaning the re bars with Acetone for complete rust removal and washing with water to make the surface clean. 3) Applying protective coat / bond coat using polymer and cement in the proportion of 1; 1.5 (1 part of polymer and 1.5 parts of cement in synthetic enamal paint like consistancy with brush 4) Reinstate the area with polymer modified mortar in layers of maximum 20 mm with the proportion of Cement 50 Kg : washed and dried river sand 87.50 kg ; silica sand 37.50 Kg. mixed with 10 litres of Polymer (or 1 Kg cement : 1.75 kg washed and dried river sand ; 0.75 Kg silica sand : 200 ml polymer)5) If thickness of repair exceeds 20mm , after every 20 mm thick repair, bond coat as per 2 above to be applied and further thick of repair to be continued for each layer. This work is inclusive of all materials, labour, complete all as directed at site using approved polymer suitable for structural repair shall be used) Note: Scaffolding will be paid separately under relevant item |
| 15 | Providing and repairing to internal plaster in cement mortar 1:4 (using crushed sand) of thickness 12 mm to 20 mm in patches of area up to 2.5 sq metres including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls, including disposal of rubbish to the dumping ground within 50 metres lead |
| 16 | Providing and repairing to external plastering in cement mortar 1:4 (using crushed sand) of thickness 12 mm to 20 mm in patches of area up to 2.5 sq metres including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls ncluding admixtured with approved Water proofing compound @ 2% by weight of cement used and as per manufacturer\"s specifications ,sieving of sand to required fineness complete including disposal of rubbish to the dumping ground within 50 metres lead. |
| 17 | Providing and fixing 150 mm x 150 mm cast iron grating for rain water down takes at roof including chipping and grouting complete all as directed by the Engineer-in-charge. |
| 18 | Providing and fixing anodized aluminium work for doors, windows, ventilators and partitions with extruded built up standard tubular sections / Z sections and other sections of approved make conforming to IS 733 and IS 1285 fixed with rawl plugs and screws or with fixing clips or with expansion hold fastners including necessary filling up of gaps at junctions, at top, bottom and sides with required PVC / neoprene gasket etc. Aluminium sections shall be smooth, rust free, straight, mitred and jointed mechanically whereever required including cleat angle, aluminium snap beading for glazing / panelling, C.P brass / stainless screws all complete as per drawings and and directions of Engineer-in-charge including providing and fixing hinges / pivots and making provision for fixing of fittings wherever required including the cost of PVC / neoprene gasket required filling the gaps using silicon grout sealent etc. (fittings glazing and panelling shall be paid for separately) |
| 19 | Anodised Aluminium sections (Minimum anodizing thickness of 15 micron. |
| 20 | Providing 20 mm thick External plastering in two coats under layer 12 mm thick with C.M 1:4 (using crushed sand) finished with a top layer 8 mm thick in C. M 1:3 (using crushed sand) including approved water proofing compound @ 2% by weight of cement or as per manufacturer\"s specifications, sieving of sand to required fineness, scaffolding up to 10 metres height, finishing, curing etc. complete as per specifications. and as directed by the Engineer-incharge. |
| 21 | Dismantling and re-installation of PV solar modules each weighing 24 kg and its supporting GI structure aproximately weighing 25 kg per modules, dead weight of PCC blocks 4 nos in each module and weighing 20 kg in each block , earthing etc and stacking and reshifting the components at suitable locations without disturbing the the adjoucent structures or any other movements of building users etc. as per the detailed specifications. The whole work should be carried out under electrical supervision. |
| 22 | Providing and Fixingin position 6 mm thick solid clear(Translucent) Polycarbonate sheet of approved make including cutting, fixing on existing supports by Replacing damaged panels and sealing the joints with silicon sealent with necessary stainless steel fastners, scafffolding if necessarycomplete all as directed by Engineer in charge. Note - Aluminium section / strip will be paid in relevant item. |
| 23 | Supplying man power alongwith necessary pans, spades, shoval, pickaxe, punjas, ropes, small specials spade, rain coats, safety shoes etc., minimum two number of labour per day, having valid Police Verification Certificate (PVC), upto maximum any number of labours and when decided by Engineer-in-charge to work for eight hoursper day or monsoon peiod to carry out the cleaning of chocked drain gratings grills / hume pipes/ footpath by removing the dry leaves silt etc., and also carry out seasonable departmental work/ miscellaneous works allotted by Engineer-in- charge from time to time. |
| 24 | Carryiing out Waterproofing Treatment for Rainwater Gutter Slab including the following operations: 1-Cleaning the rain water gutter , removing the loosen FRP lining and try to remove more lining using special chemicals without damaging the sheet, 2-Providing and applying 1st Coat of solevnted primer over the entire surface including horizontal floor and vertical wall below. 3-Providing and applying the pre fabricated 1.2 mm thick self adhesive bottom peeling and adhesive cold applied membrane sheet with top of sheet friendly to accept adhesion of themal resistant pure acrylic UV resistant water and heat proof coating over it.4-Providing and doing revetting on the above adhered sheet at required points for permanent adhesion with the base. 5-Providing and adhering cut to patch size of above membrane and adhering it over the revitted points with proper overlap. 6-Providing and applying 1 primer coat diluted with 50 % water of Thermal and water and UV resistance coating over the completely laid and adhered menbrane. 7-After 3-5 hours of application of Primer coat , Providing and applying 2 top coats of Un diluted Thermal and water and UV resistance coating at an interval of 5-8 hours between each coat over the completely laid and adhered menbrane. |
| 25 | Grouting the existing damaged terrace/ chajja water proofing with neat cement slurry including cleaning the surface with pressure water jet,wire brush etc.,complete including cost of cement and all materials required for grouting process as per the instruction of the Project Engineer. |
| 26 | Providing and injecting approved non shrink cementitious grout in proportion recommended by the manufacturerin to crack / holes / gaps / honey-comb area of concrete / masonery by suitable gun / pump of required pressure including cutting of nipples after curing etc. complete as perdirections of Engineer-in- charge. (The payment shall be made on the basis of actual weight of approved grout injected. |
| 27 | Carrying out Civil Engineering works like surveying & leveling, checking of formwork fabrication, reinforcement fabrication as per drawings, witnessing sample retrieval & testing for various construction materials, ensuring concrete ingredient ratio at batching plant and pouring of appropriate grade of concrete in plain and reinforced concrete works, ensuring proper mixing of approved ingredients & waterproofing admixtures for mortars and brickwork, plaster, flooring & waterproofing works, and other civil & PH works including supervision of construction safety as per BARC specifications & relevant documentation, compiling, binding and preparation of tender documents & Agreements overall as directed by Engineer-in-Charge. Note : (1)Each Job shall be carried out by one qualified Degree holder with 2 (Two ) years experience/Diploma holder with 5(Five) years experience (Licentiate in Civil/Construction Engineering / Technology) conducted by Board of Technical Examinations / University/ Autonomous Govt / Govt recognized Polytechnic/ Institute. (2)Deployment: The contractor shall deploy one Engineer for each job for minimum 26 working days per month for minimum 8 ½ hours per day with 30 minutes of break, in General (Ist / IInd) or on Round the clock shift including Saturdays, Sundays & holidays whenever necessary as per the discretion of the Engineer-in-Charge during the contract period. In case of emergency works like continuous pouring of concrete or shutdown/maintainance work, the person will have to stay longer occasionally as per the instruction of the Engineer in-charge. No additional payment will be made on this account.(3) Period of work: The contractor shall carry out number of Jobs per month as per requirement at site for the period mentioned in NIT.(4) Mode of measurement : Measurement will be per job basis. A single job shall be carried out by deploying one engineer exclusively for the particular job.(5) Engineer should be engaged after scrutiny by EIC of CED, BARC and approved by Competent authority and the deployed Engineer will report to BARC Engineer/ EIC. (6) The minimum notice period before change of engineer is 1 (one) month; failing which a compensation, for not providing technical support, of Rs. 1,579/- per day of shortfall in notice period will be levied on the contractor. |
| 28 | Carrying out Civil Engineering works like surveying & leveling, checking of formwork fabrication, reinforcement fabrication as per drawings, witnessing sample retrieval & testing for various construction materials, ensuring concrete ingredient ratio at batching plant and pouring of appropriate grade of concrete in plain and reinforced concrete works, ensuring proper mixing of approved ingredients & waterproofing admixtures for mortars and brickwork, plaster, flooring & waterproofing works, and other civil & PH works including supervision of construction safety as per BARC specifications & relevant documentation, compiling, binding and preparation of tender documents & Agreements overall as directed by Engineer-in-Charge.Notes : (1) Each Job shall be carried out by one qualified Technician having minimum SSC with Trade certificate in Masonary/Plumber/Carpenter/Painter Trade of not less than one year duration from ITI/Government Recognised Vocational Training Institute or experienced Technician retired from Government service. (2) Deployment: The contractor shall deploy one Technician for each job as Single Day work for 6 working days per week for minimum 8 ½ hours per day with 30 minutes of break, in General (Ist / IInd) or on Round the clock shift including Saturdays, Sundays & holidays whenever necessary as per the discretion of the Engineer-in-Charge during the contract period. In case of emergency works like continuous pouring of concrete or shutdown/maintainance work, the Technician will have to stay longer occasionally as per the instruction of the Engineer in-charge. No additional payment will be made on this account. (3) Period of work: The contractor shall carry out number of Jobs per day as directed by Engineer-in -Charge. (4) Mode of measurement : Measurement will be per job basis per day. A single job shall be carried out by deploying one Technician exclusively for the particular job. (5) The Technician should be engaged after scrutiny by EIC of CED, BARC and approved by Competent authority and the deployed Technician will report to BARC Engineer/ EIC. (6) The minimum notice period before change of technician is 1 (One) month; failing which a compensation, for not providing technical support, of Rs. 1,249/- per day of shortfall in notice period will be levied on the contractor. |
