AMC for waterproofing works in Technopark Campuses

Amount

Chipping of unsound/weak/crack 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 all complete as per direction of Engineer-In-Charge.The rate is inclusive of all material charge, labour, transportation, scaffolding (if needed) loading/ unloading at the work space and removal of debris outside the Technopark campus etc.for all floors and all heights, complete as per the direction of engineer in charge.

Providing, mixing and applying bonding coat of approved adhesive on chipped portion of RCC as per specifications and direction of Engineer-In-charge complete in all respect. SBR Polymer (@10% of cement weight) modified cementitious bond coat @ 2.2 kg cement per sqm of surface area mixed with specified proportion of approved polymer.The rate is inclusive of all material charge, labour, transportation, scaffolding (if needed) loading/ unloading at the work space and removal of debris outside the Technopark campus etc.for all floors and all heights, complete as per the direction of engineer in charge.

Dismantling vitrified/ceramic tile work in floors and roofs laid in cement mortar including removal of material from work site to outside the Technopark campus. For thickness of tiles 10 mm to 25 mm.The rate is inclusive of all material charge, labour, transportation, scaffolding (if needed) loading/ unloading at the work space and removal of debris outside the Technopark campus etc.for all floors and all heights, complete as per the direction of engineer in charge

Dismantling of MP tile/ and all other tiles except vitrified/ceramic tiles in floors and roofs laid in cement mortar including removal of materials from work site to outside the Technopark campus. The rate is inclusive of all material charge, labour, transportation, scaffolding (if needed) loading/ unloading at the work space and removal of debris outside the Technopark campus etc.for all floors and all heights, complete as per the direction of engineer in charge.

Glazed Vitrified tiles Matt/Antiskid finish of size.Size (thickness to be specified by the manufacturer) for floors with water absorption less than 0.08% and conforming to IS : 15622, of approved make, in all colours and shades, laid on 20 mm thick cement mortar 1:4(1 cement : 4 coarse sand), including grouting the joints with epoxy joint filler, by using a spacer of minimum of 3mm thick, complete. Size of Tile 600 x 600 mm. The rate inclusive of all material charge, labour, transportation, Scaffolding (If needed) loading/unloading at the work space and removal of debris from work site etc. for all heights upto roof top, complete as per the direction of engineer in charge.

Providing and fixing Ist quality ceramic glazed wall tiles conforming to IS: 15622(thickness to be specified by the manufacturer), of approved make, in all colours,shades except burgundy, bottle green, black of any size as approved by Engineerin-Charge,in skirting, risers of steps and dados, over 12 mm thick bed of cementmortar 1:3 (1 cement : 3 coarse sand) and including PVC corners for all projected corners and door sides and applying of epoxy joint filler, by using a spacer of minimum of 3mm thick etc. complete. The rate inclusive of all material charge, labour, transportation, Scaffolding (If needed) loading/unloading at the work space and removal of debris from work site etc. for all heights upto roof top, complete as per the direction of engineer in charge.

Providing and laying water proofing treatment on roofs/slabs/underdeck/sunken slab and vertical walls by applying cement slurry mixed with water proofing cement compound consisting of applying : a) after surface preparation, first layer of slurry of cement @ 0.488 kg/ sqm mixed with water proofing cement compound @ 0.253 kg/ sqm. laying second layer of fibre glass cloth when the first layer is still green. 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/sqm and coarse sand @ 1.289 kg/sqm. This will be allowed to air cure for 4 hours followed by water curing for 48 hours. The entire treatment will be taken upto 30 cm on parapet wall and tucked into groove in parapet all around. d) fourth and final layer of brick tilling with cement mortar (which will be paid for separately. For the purpose of measurement the entire treated surface will be measured). Bill may be processed only after the successful completion of leak test for 48 hours, as approved by engineer in charge. The rate is inclusive of all material charge, labour, transportation, scaffolding (if needed) loading/ unloading at the work space and removal of debris outside the Technopark campus etc.for all floors and all heights, complete as per the direction of engineer in charge.

Providing and laying APP (Atactic Polypropylene Polymer) modifiedprefabricated five layer, 3 mm thick water proofing membrane, black finishedreinforced with glass fibre matt consisting of a coat of bitumen primer forbitumen membrane @ 0.40 litre/sqm by the same membrane manufactured ofdensity at 25 degreee, 0.87 - 0.89 kg/litre and viscocity 70 - 160 cps. Over the primercoat the layer of membrane shall be laid using butane torch and sealing alljoints etc., and preparing the surface complete. The vital physical and chemicalparameters of the membrane shall be as under : Joint strength in longitudinaldegree and transverse direction at 23degree as 350/300 N/5 cm. Tear strength in longitudinaland transverse direction as 60/80N. Softening point of membrane not less than150degree. Cold flexibility shall be upto -2 degree when tested in accordance with ASTM,D - 5147. The laying of membrane shall be got done through the authorisedapplicator of the manufacturer of membrane : 3 mm thick. Bill may be processed only after the successful completion of leak test for 48 hours and after verifying the thickness and qualtiy of water proofing membrane from authorized lab, as approved by engineer in charge.The rate is inclusive of all material charge, labour, transportation, scaffolding (if needed) loading/ unloading at the work space and removal of debris outside the Technopark campus etc.for all floors and all heights, complete as per the direction of engineer in charge.

Laying micro concrete flooring with mix ratio 1:1.5:3 (1 cement, 1.5 sand and 3 broken stone), with 6mm size broken stones for an average thickness of 60mm after cleaning the surface with wire brush and washing the floor neatly with water, laying the concrete in thin layer and compacting to correct slopes and even levels and plastering the top surface with cement mortar 1:3, 9mm thick one coat floated hard and trowlled smooth to a neat smooth surface with slope for water runoff watering for curing etc. including cost and conveyance of all materials, labour charges etc complete for all floors as per the direction of engineer in charge.The rate is inclusive of all material charge, labour, transportation, scaffolding (if needed) loading/ unloading at the work space and removal of debris outside the Technopark campus etc.for all floors and all heights, complete as per the direction of engineer in charge.

Repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sq meters and under, including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete including fixing of wels mesh of required size and shape as per the direction of engineer in charge. Cement mortar 1:4 ( 1 cement: 4 coarse sand). The rate is inclusive of all material charge, labour, transportation, scaffolding (if needed) loading/ unloading at the work space and removal of debris outside the Technopark campus etc.for all floors and all heights, complete as per the direction of engineer in charge.

12 mm cement plaster for walls of mix: 1:6 (1 cement : 6 fine sand). The rate is inclusive of all material charge, labour, transportation, scaffolding (if needed) loading/ unloading at the work space and removal of debris outside the Technopark campus etc.for all floors and all heights, complete as per the direction of engineer in charge.

Finishing walls with damp proof paint on Old work over existing cement paint surface.The rate is inclusive of all material charge, labour, transportation, scaffolding (if needed) loading/ unloading at the work space and removal of debris outside the Technopark campus etc.for all floors and all heights, complete as per the direction of engineer in charge.

Epoxy grouting the joints of flooring tiles having joints of 3 mm width, using epoxy grout mix 0.70 kg of organic coated filler of desired shade (0.10 kg of hardener and 0.20 kg of resin per kg). including cutting the joint for making grooves of 6mm depth and 3mm width, cleaning the grooves with wire brush and air blower, filling the grooves upto 3mm depth with cement slurry and balance 3mm with epoxy grout and finishing without damaging the existing floor/wall tiles complete as per direction of Engineer-in-charge. Size of Tile 600x600 mm. The rate is inclusive of all material charge, labour, transportation, scaffolding (if needed) loading/ unloading at the work space and removal of debris outside the Technopark campus etc.for all floors and all heights, complete as per the direction of engineer in charge.

PU System Injection Grouting Mechanism. Providing and applying pressure grouting in the place of the high porosity in the concrete with polyurethane resin under a pressure up to 1050psi as per the following specifications.Cleaning of all surface & stain around the leakage area. b( determining the leak pattern and establish leakage source.Drilling injection ports at specified depth.Once negative interception is conformed . injection packers to be installed , which prevent back flush of pu grout and capable of holding pressure up to 7N/mm2. Pumping PU Grout Approximately 200ml to 1 kg.According to the site condition to fill the sides of the outlet pipes to arrest the leakage around it. Bill may be processed only after the successful completion of leak test for 48 hours, as approved by engineer in charge. The rate is inclusive of all material charge, labour, transportation, scaffolding (if needed) loading/ unloading at the work space and removal of debris outside the Technopark campus etc.for all floors and all heights, complete as per the direction of engineer in charge.

Sealing the joints with Polyurethane sealant. Cleaning and grinding the edges of the expansion joint applying bonding agent and repairing with polymer modified mortar.After preparing the edges insert baker rod to the desired size. Fill the edges with hybrid PU sealant to cover the size of expansion joint of 5mm thick. Allow air curing for two days. Apply the epoxy based adhesive primer on the edges and fix TPE tape(2000mm width and 1mm thick ) to cover the expansion joint and allow air curing for two days for all heights. The rate is inclusive of all material charge, labour, transportation, scaffolding (if needed) loading/ unloading at the work space and removal of debris outside the Technopark campus etc.for all floors and all heights, complete as per the direction of engineer in charge.

Providing and fixing in position Stainless steel Grade 304 Plate 1.0 mm thick as per design for expansion joints. 200 mm wide.The rate inclusive of all material charge, labour, transportation, Scaffolding (If needed) loading/unloading at the work space and removal of debris from Technopark campus etc. complete as per the direction of engineer in charge.

Providing and applying waterproofing with P.U coating over existing mother slab of sloped roof after removal of existing damaged plastered surface/ repers including removal of concrete repers (removal of plastering to be paid separately) and chipped the cracked areas and cleaned with proper materials and applying required layer of approved P.U compound over the surface as per manufatures specification and direction of engineer in charge. The rate inclusive of all material charge, labour, transportation, Scaffolding (If needed) loading/unloading at the work space and removal of debris from Technopark campus etc. complete as per the direction of engineer in charge.

Providing and fixing in position 12 mm thick bitumen impregnated fibre board conforming to IS: 1838, including cost of primer, sealing compound in expansion joints after removing the existing expansion joint material with a depth of 150mm without damaging the existing floor tiles.The rate is inclusive of all material charge, labour, transportation, scaffolding (if needed) loading/ unloading at the work space and removal of debris outside the Technopark campus etc.for all floors and all heights, complete as per the direction of engineer in charge.

6 mm cement plaster of mix: 1:3 in wall and ceiling by using the compound of waterproofing chemical 200ml per 50Kg of cement as per the direction of engineer in charge. ( 1 cement : 3 fine sand).The rate is inclusive of all material charge, labour, transportation, scaffolding (if needed) loading/ unloading at the work space and removal of debris outside the Technopark campus etc.for all floors and all heights, complete as per the direction of engineer in charge.

NUTECH ENGINEERING SERVICES (BID ID -2415875)