Provision of impervious stratum treatment and miscellaneous works in Division of Remote Handling and Robotics and other structures at Centre for Design and Manufacture at North Site, BARC, Trombay, Mumbai

Amount

Removing bitumen based waterproofing treatment from terrace chajjas, parapets etc, and disposal within 50m. Note : All surfaces shall be made free from gross irregularities, loose, unsound or foreign material such as dirt,water, grease, oil, release agents, lacquers, or any other condition that would be detrimental to adhesion of the primer and membrane. This requires careful preparation of existing horizontal and vertical substrates; cracks are filled, expansion joints,flashings(if any) are prepared. Substrates and penetrations shall be prepared to rigorous industry standards, and may require scarifying, sandblasting or grinding in some cases to achieve a suitable substrate and the cost of the above work shall be deemed to be included in the quoted rate.

Supply and application of KEMPEROL V 21O of M/s KEMPER SYSTEM GERMANY or approved equivalent meeting all the technical specifications as per relevant codes and standards in 2.0 mm thick by using three component liquid applied system based on unsaturated polyester resin with polyester fleece as reinforcement in the follwong steps: 1. On the previously prepared surface, apply KEMPEROL EP Primer or approved equivalent meeting all the technical specifications as per relevant codes and standards evenly with the help of a Nylon Brush. Consumption of Primer should be 300 to 500 gm/m2 depending upon nature of substrate. 2.Sprinkle silica sand (0.3 to 0.7 mm) @ 100 gm per Sqm on the wet primer. 3. After atleast 12 Hrs of primed surface apply KEMPEROL V 210 mix or approved equivalent meeting all the technical specifications as per relevant codes and standards with help of a Nylon roller or Brush.(Consumption of KEMPEROL V 210 or approved equivalent meeting all the technical specifications as per relevant codes and standards should be 1.7 to 2 Kgs/m2 in the first coat). 4.Roll out the KEMPEROL Fleece of 165 GSM or approved equivalent meeting all the technical specifications as per relevant codes and standards over the KEMPEROL V 210 wet mix or approved equivalent meeting all the technical specifications as per relevant codes and standards . (overlaps of Kemperol fleece or approved equivalent meeting all the technical specifications as per relevant codes and standards should be not less than 50mm over the joints). 5. Remove all wrinkles and then saturate completely with KEMPEROL V 210 or approved equivalent meeting all the technical specifications as per relevant codes and standards. (consumption of KEMPEROL V 210 in the top coat should be 0.9 to 1 Kgs/m2 ). (Total consumption for Kemperol V210 should be @ 2.6 to 3.0 Kg/m2 in complete item). The tensile strength of the complete system/ membrane should be more then @ 8.0 N/mm2 and Elongation more than 44 % (with Fleece). etc complete as per specifications and as directed by the Engineer-in-charge. Note : (1) It is deemed that the Contractor has visited the site and has fully understood the site conditions.The Contractor shall provide 10 years Performance guarantee for the complete waterproofing work. (2)The above work shall comply with complete system of Kemper V210 of M/s. Kemper System Germany or approved equivalent meeting all the technical specifications as per relevant codes and standards and complete material components as per manufacturers specifications shall be used in the work.The quoted rate shall be deemed to include the cost of complete system of Kemper V210 of M/s. Kemper System Germany or approved equivalent meeting all the technical specifications as per relevant codes and standards irrespective of whether the same is not explicitly mentioned in the item decription. (3) The work will also include sealing of all pipe inserts/embedded plates,protrusions,flashings with Kemper V210 system of M/s. Kemper System Germany or approved equivalent meeting all the technical specifications as per relevant codes and standards and the cost of the same shall be deemed to be included in the quoted rate. (4)The quoted rate shall include the cost of repairing the unsound portions/cracks with polmer modified mortar/concrete wherever necessary and the cost of the same shall be deemed to be included in the quoted rate. Mode of Measurement: Net area which is covered by the complete system shall be measured for payment.

Providing and Applying Kemco Pox 2K & KEMPEROL 1K of M/s KEMPER SYSTEM GERMANY or approved equivalent meeting all the technical specifications as per relevant codes and standards for treatment to vertical wall in the following steps : 1. Apply solvent free two component primer Kemco Pox 2K- at the rate of 0.25 - 0.4 kgs/m2 to the area 2. Applying 2 coats of KEMPEROL 1K or approved equivalent meeting all the technical specifications as per relevant codes and standards over the primed surface with nylon roller/ brush. Each coat should apply after the interval of atleast 12 Hrs., including cost of all materials, labour, machinery, tools & tackles and consumables all complete as per specifications and as directed by the Engineer-in-charge. (Total consumption for Kemperol 1 K @ 0.7 to 0.9 kgs/m2) Note : (1) It is deemed that the Contractor has visited the site and has fully understood the site conditions.The Contractor shall provide 5 years Performance guarantee for the complete waterproofing work. (2) The above work shall comply with specifications of M/s. Kemper System Germany or approved equivalent meeting all the technical specificationsand complete material components and application procedure of Kemperol 1 K coating M/s KEMPER SYSTEM GERMANY or approved equivalent meeting all the technical specifications and appropriate primer as recommended by the Manufacturer shall be used in the work.Updated manufacturers specification shall be used in the work irrespective of whether the same is inadvertently missed or omitted either partially/wholly in the item description. (3) The quoted rate shall be deemed to include the cost of complete system irrespective of whether the same is not explicitly mentioned in the item decription.The Contractor shall provide 5 years Performance guarantee for the complete waterproofing work. (4)The work will also include sealing of all pipe inserts/embedded plates, protrusions, flashings with Kemco Pox 2K of M/s KEMPER SYSTEM GERMANY or approved equivalent meeting all the technical specifications as per relevant codes and standards and the cost of the same shall be deemed to be included in the quoted rate. (5)The quoted rate shall include the cost of removing loose materials,scrubbing and removing old paints/coatings,surface preparation,repairing the unsound portions/cracks with polmer modified mortar/concrete wherever necessary and the cost of the same shall be deemed to be included in the quoted rate. Mode of Measurement: Net area which is covered by the complete system shall be measured for payment.

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

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 Quartz 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: 1.Scaffolding will be paid separately under relevant item. 2.This item shall be executed as per the directions of the Engineer-in charge and measurements for any polymer repair work covered/required under Item No 2 & 3 will not be carried out under this item and whereas the same shall be deemed to be included in the quoted rates of Item No. 2 & 3 above.

Providing SFMC Micro concrete using 100% SFMC for strengthening of structural members including mixing, pouring, curing as per manufacturer specifications and as directed by the Engineer-in-charge.

Providing 20 mm thick plastering using Ready mix external plastering compound of approved make for external faces of brickwork / concrete surfaces including preparation of the surface, curing, cleaning scaffolding up to 10 metres height complete.all as per specifications including forming drip moulds wherever necessary and as directed by the Engineer-in-charge.

Extra for Plastering exterior walls of height more than 10 m from ground level (Plastering works above 10 metres height from Ground level alone will be measured in this item).

Providing and Laying cement concrete 1:2:4 in super structure (1 cement, 2 crushed sand, 4 brick aggregates 20 mm to 40 mm) for filling sunken floors of toilet bath & kitchen admixed with proprietary water proofing compound as per manufacturer's specifications and approved by Engineer-in-charge including scaffolding, consolidation, finishing curing etc.

Lead charges for lead Exceeding 2 KM but not exceeding 3 KM, by mechanical transport including loading, unloading, stacking / levelling etc. Debris Beyond 2 Km but up to and including 3 km. Note: The rate is applicable for NET Quantities arrived at after making deduction for voids @ 30% from corresponding TRUCK Measurement

Providing and fixing double tubular scaffolding system using Hframes 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. 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 thereafter. The scaffolding system shall be stiffened with bracings, runners, connection with building etc. wherever required for inspection of work at required locations with essential safety features for the workmen etc. complete as per directions and as approved by the Engineer -in - charge. The elevational area of the scaffolding shall be measured for payment purposes. The payment shall be made once irrespective of duration of scaffolding. Note: (1) The elevational area of the scaffolding shall be measured for payment purposes. (2) For all items under this work order which require scaffolding, the Scaffolding will be measured and paid only once, irrespective of duration of scaffolding for the entire work and will not be seperately paid for each item. (3) Scaffolding shall be removed only after completion of all works. (4) The scaffolding once provided shall be removed after the entire work is neatly completed in all respects and payment shall be made after completion of all works and measurement will be taken only once. (5) Necessary aluminium/ M.S. ladder/staircase module shall be provided at the cost of the contractor, upto the full height of scaffolding at required locations around the building to enable department Engineer/Supervisor to closely supervise the repair work at heights.The cost of the same shall be deemed to be included in the quoted rate. (6)Contractor has to make arrangement at his own expenses for temporary sealing of windows/openings with plywood, to avoid breaking of windows panes, and covering outdoor ac units during the progress of work. (7) Wherever scaffolding has to be erected over existing lawns or flowerbeds, then all such locations shall be completely covered with tarpaulins before erecting scaffolding. (8) Safety nets and nylon screens shall be provided for full height of scaffolding to prevent falling of debris and the cost of the same shall be deemed to be included in the quoted rate. (9) Scaffolding shall be erected as per the provisions of IS 3697. (10) All safety precautions and measures shall be taken as per BARC Construction safety Manual.

Supplying man power alongwith necessary pans, spades, brooms, shoval, pickaxe, punjas, ropes, small specials spade, rain coats, safety shoes etc., minimum two number of labour per day upto maximum any number of labours and when decided by Engineer-in-charge to work for eight hours per day or monsoon peiod to carry out the cleaning of chocked drain gratings grills / hume pipes/chamber/Gully traps, 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.

K D Aher Building Systems Pvt Ltd

VIPUL WATERPROOFERS PVT LTD