Providing Chemical waterproofing treatment for Old Fire Station, CED Canteen Building and other buildings 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 KEMPER SYSTEM GERMANY or approved equivalent quality 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 quality 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 quality with help of a Nylon roller or Brush.(Consumption of KEMPEROL V 210 should be 1.7 to 2 Kgs/m2 in the first coat ) 4.Roll out the KEMPEROL Fleece of 165 GSM or approved equivalent quality over the KEMPEROL V 210 wet mix. (overlaps of Kemperol fleece should be not less than 50mm over the joints) 5. Remove all wrinkles and then saturate completely with KEMPEROL V 210 or approved equivalent quality. (consumption of KEMPEROL V 210 in the top coat should be 0.9 to 1.0 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 undertood 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 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 irrespective of whether the same is not explicitly mentioned in the item decription.The Contractor shall provide 10 years Performance guarantee for the complete waterproofing work.The work will also include sealing of all pipe inserts/embedded plates,protrusions,flashings with kemper V210 system and the cost of the same shall be deemed to be included in the quoted rate.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. 3. Mode of Measurement: Net area which is covered by the complete system shall be measured for payment.

Providing and Applying Kemco Pox 2K or approved equivalent quality for treatment to vertical wall in the following steps 1) Apply solvent free two component primer Kemco Pox 2K or approved equivalent quality at the rate of 0.25 - 0.4 kgs/m2 to the area 2) Applying 2 coats of KEMPEROL 1K or approved equivalent quality 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 and complete material components and application procedure of Kemperol 1 K coating 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.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 description.The Contractor shall provide 5 years Performance guarantee for the complete waterproofing work.The work will also include sealing of all pipe inserts / embedded plates, protrusions, flashings with kemper V210 system or approved equivalent quality and the cost of the same shall be deemed to be included in the quoted rate.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. 3. Mode of Measurement: Net area which is covered by the complete system shall be measured for payment.

Providing, hoisting and installing at required elevation moulded HDPE cylindrical vertical water storage tanks of approved make of the following capacities with WHITE SILICON coated and with suitable S. M. C cover at top including the cost of labour for making hole in the storage tank for inlet, outlet, scour and overflow, providing and fixing necessary G.I nipples ranging from 15 mm to 50 mm n.b of average150 mm length with double check nuts, washers etc. complete as directed by the Engineer-in-charge

HDPE CYLINDRICAL vertical storage water tank white silicon coated 2000 lit capacity

Making connection of distribution branch with G.I main of 50 to 80 mm nominal bore by providing and fixing tee including cutting and threading the pipes etc. complete as per specifications and as directed by the Engineer-in-charge

Dismantling G.I pipes of all diameter external work including excavation and refilling trenches after taking out pipes manually / by mechanical means including stacking of pipes within 100 m lead as per direction of Engineer-in-charge

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 rates in respect of Item No.7 are applicable for NET Quantities arrived at after making deduction for voids @ 30% from corresponding TRUCK Measurement

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

Providing , centering ,shuttering Form work using PVC film faced plywood to get a neat form finish surface for all types of structures including necessary strutting, proping, staging, supports etc and deshuttering the same after the specified time all as per drawings. For Super Structure

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