Extensive waterproofing treatment on all roofs / external walls, internal walls and tiling work on roof at CSI main building situated at Rajpur, Old Mussoorie Road, Dehradun.

Amount

Providing, mixing and applying bonding coat of approved adhesive onchipped portion of RCC as per specifications and direction of Engineer-In-charge complete in all respect.26.31.1 SBR Polymer (@10% of cement weight) modified cementitious bond coat @ 2.2 kg cement per sqm of urfacearea mixed with specified proportion of approved polymer

Providing and laying water proofing treatment on roofs of slabs by applying cement slurry mixed with water proofing cement compound consisting ofapplying:(a) after surface preparation, first layer of slurry of cement @ 0.488 kg/sqm mixed with water proofing cement compound @ 0.253 kg/sqm.(b) laying second layer of Fibre glass cloth when the first layer is stillgreen. Overlaps of joints of fibre cloth should not be less than 10 cm.(c) third layer of 1.5 mm thickness consisting of slurry of cement @ 1.289 kg/sqm mixed with water proofing cement compound @ 0.670 kg/sqmand coarse sand @ 1.289 kg/sqm. This will be allowed to air cure for 4hours followed by water curing for 48 hours. The entire treatment will betaken upto 30 cm on parapet wall and tucked into groove in parapet all around

Providing & applying 1.2 MM thick EPDM (Ethyle Pethyle Desmodor Monomor) water proofing membrane along with surface preparation by mechanical Grinder over construction joints/ expansion joints along with applying 1st coat of primer followed by one coat of adhesive for EPDM on the surface & rubber membrane including supply of all material labour T & P etc. also including treatment to construction joints.

Treatment to cracks by using polyurethane based single component permanently elastic joint sealent of Groove size (7.5mm x 12.5 mm) including cost of all material labour T&P etc.

Treatment by water based PU to Roofs/Parapets/Deck Area/Podium/Wet Area. Applying PU coatings with brush in 2 coats on the surface all complete as per direction of Eng-in-charge

Providing and inserting 12 mm dia galvanised steel injection nipple inhoney comb area and along crack line including drilling of holes of requireddiametre (20 mm to 30 mm) up to depth from 30 mm to 80 mm at requiredspacing and making the hole & crack dust free by blowing compressed air,sealing the distance between injection nipple with adhesive chemical ofapproved make and allow it to cure complete as per direction of Engineer-In-Charge

Providing and injecting approved grout in proportion recommended bythe manufacturer into cracks/honey-comb area of concrete/masonry bysuitable gun/pump at required pressure including cutting of nipples aftercuring etc. complete as per directions of Engineer-in-Charge.(The payment shall be made on the basis of actual weight of approved grout injected.)26.35.1 Stirrer mixed Acrylic Polymer of approved make @ 2% ofweight of cement used) modified Cement slurry made withn on shrink compound in concrete/RCC work

Providing and applying integral crystalline slurry of hydrophilic in naturefor waterproofing treatment to the RCC structures like retaining walls ofthe basement, water tanks, roof slabs, podiums, reservior, sewage &water treatment plant, tunnels / subway and bridge deck etc., preparedby mixing in the ratio of 5 : 2 (5 parts integral crystalline slurry : 2 partswater) for vertical surfaces and 3 : 1 (3 parts integral crystalline slurry : 1part water) for horizontal surfaces and applying the same from negative(internal) side with the help of synthetic fiber brush. The material shallmeet the requirements as specified in ACI-212-3R-2010 i.e by reducingpermeabiliy of concrete by more than 90% compared with controlconcrete as per DIN 1048 and resistant to 16 bar hydrostatic pressureon negative side. The crystalline slurry shall be capable of self-healing of cracks up to a width of 0.50 mm. The work shall be carried out allcomplete as per specification and the direction of the engineer-in-charge.The product performance shall carry guarantee for 10 years against anyleakage. 22.23.1 For vertical surface two coats @ 0.70 kg per sqm per coat

Providing, mixing and applying SBR polymer plaster (of approved make) modifiedCement mortar in proportion of 1:4 (1 cement: 4 graded coarse sand withpolymer minimum 2% by wt. of cement used) as per specifications and directions of Engineer-in-charge. 12 mm thick

Providing gola 75x75 mm in cement concrete 1 :2:4 (1 cement : 2 coarsesand : 4 stone aggregate 10 mm and down gauge), including finishing with cement mortar 1 :3 (1 cement: 3 fine sand) as per standard design In 75x75 mm deep chase

Providing and laying in situ seven course water proofing treatment withAPP (Atactic poly-propylene) modified Polymeric memberane over roofconsisting of first coat of bitumen primer @ 0.40 litre per sqm, 2nd, 4th& 6th courses of bonding material @ 1.20 Kg/sqm, which shall consist ofblown type bitumen of grade 85/25 conforming to IS : 702, 3rd and 5th layers of roofing membrane APP modified Polymeric membrane 1.5 mm thick of 2.25 Kg/sqm weight consisting of five layers prefabricated with centre core as 20 micron HMHDPE film sandwiched on both sides with polymeric mix and the polymeric mix is protected on both side with 20 micron HMHDPE film. 7th, the top most layer shall be finished with brick tiles of class designation 10 grouted with cement mortar 1:3 (1cement : 3fine sand) mixed with 2% integral water proofing compound by weight of cement over a 12 mm layer of cement mortar 1:3 (1 cement : 3 fine sand) and finished neat (item of laying brick tiles shall be paid for separately).

Providing and laying Vitrified tiles in floor in different sizes (thickness to bespecified by the manufacturer) with water absorption less than 0.08% ndconforming to IS:15622, of approved brand & manufacturer, in all coloursand shade, laid on 20 mm thick cement mortar 1 :4 (1 cement: 4 coarsesand) jointing with grey cement slurry @3.3 kg/sqm including grouting the joints with white cement and matching pigments etc. The tiles must be cutwith the zero chipping diamond cutter only . Laying of tiles will be done with the notch trowel, plier, wedge, clips of required thickness, leveling system and rubber mallet for placing the tiles gently and easily. Glazed Vitrified tiles Matt/Antiskid finish of size 11.41A.3.2 Size of Tile 600 x 1200 mm

Dismantling tile work in floors and roofs laid in cement mortar including stacking material within 50 metres lead. 15.23.1 For thickness of tiles 10 mm to 25 mm

Dismantling old plaster or skirting raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 50 metres lead

Disposal of building rubbish / malba / similar unserviceable, dismantledor waste materials by mechanical means, including loading, transporting,unloading to approved municipal dumping ground or as approved byEngineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved

INDO TECHNOLOGIES (BID ID -389679)