Providing chemical based waterproofing treatment over the terrace, headrooms of Akashganga, Parijat, Rajnigandha buildings and other buildings TTM-IV unit at Anushaktinagar, Mumbai

Amount

PART I :

Description of Work / Item(s)

Amount

PART I :

Providing & Applying seamless Acrylic based chemical waterproofing system with minimum 1 mm DFT (dry film thickness) including surface preparation as per general notes, primer coat, reinforcing membrane and multiple layers of chemical coat, removing the existing damaged w/p treatment, if any, all complete as per the manufacturers specifications and as directed by EIC, using any of the following waterproofing systems 1) Smartcare Damp Proof of M/s.Asian paints 2) Dr. Fixit Newcoat of M/s. Pidilite 3) Brushbond Roof Guard of M/s. Fosroc 4) ShaliCryl® LM HI of M/s STP Limited, all confirming to the following technical requirements: Chemical properties: Sp. Gravity : 1 +/- 0.2 Tensile strength @ 14 days : 0.5 N/mm2 to 1.0 N/mm2 Elongation : 100% minimum UV Resistant : Continuous 500 hrs (min) as per ASTM D 4587.

(i) Over terrace slab, top of water tank and parapet etc. at all levels.

Providing, casting and fixing Cement concrete blocks of 300mm X 300mm X 400mm (or other required size) of 1: 1 1/2 : 3 Grade for providing supports to the water supply lines including bedding mortar, form work etc. complete all as per specification and as directed by Engineer-in-charge.

Removing of existing electrical/ communication cables from parapet wall, walls etc. and Refixing the same to the required location after completion of work.

Sand faced cement plaster CM 1:4, two coats using factory manufactured pre mix/ready mix of 'Roofit Mix'of M/s Premier Floor to Roof Materials pvt.ltd/ 'Easy plast' of M/s Walplast Products pvt.ltd/ 'Readiplast' of M/s Ultratech Cement Ltd or other approved equivalent make, having minimum composition of C:S :: 1:4 using fully treated dry, well graded natural sand conforming to IS 383 suitable for external plastering, having low rebound properties, low water demand for curing properties, mechanical mixing with water in a metallic tray only to make good consistency as per the specification of the Manufacturer and applied over exterior masonry and concrete surfaces with base coat of 12 mm thick and finishing coat of 8 mm thick final rendering, including using richer mix for making corners if necessary, at all floors and level, including making grooves of existing size wherever required, including cleaning the surfaces, including acrylic based membrane curing by applying one coat of factory made curing compound Resikure of M/s. Anuvi Chemicals, Concure of M/s. Fosroc, Dr. Fixit curing compound or other equivalent over repaired surfaces as per manufacturer's specification etc. including removing existing damaged/ worn out plastering etc. complete all as per specifications & as directed by the EIC. Note: The contractor must take full precautions that original brick work is not damaged while dismantling of plaster. Incase of any damage the same shall be made good with 22g chickenwire mesh at his own cost . No separate payment for any additional thickness of plaster if any will be made. Contractor must visit site and acquaint himself with the condition of building.

20 mm Thick.

Cement plastering using factory manufactured pre mix/ ready mix mortar in CM 1:4 of 'Roofit Mix' of M/s. Premier Floor to Roof Materials pvt.ltd/ 'Easy plast' of M/s. Walplast Products pvt. ltd/ 'Readiplast' of M/s. Ultratech Cement Ltd or other approved equivalent make, having minimum composition of C:S :: 1:4 using fully treated dry, well graded natural sand conforming to IS 383 suitable for external plastering, having low rebound properties, low water demand for curing properties, mechnical mixing with water in a metalic tray only to make good consistency as per the specification of the Manufacturer and applied on internal wall and ceiling finished smooth with neeru over brick walls or concrete surfaces at all floors and levels including acrylic based membrane curing by applying one coat of factory made curing compound Resikure of M/s. Anuvi Chemicals, Dr. Fixit curing compound or other equivalent over repaired surfaces as per manufacturer's specification etc. and removing existing damaged/ worn out plastering etc. complete all as per specifications and as directed by Engineer- in- Charge.

a) 15 mm thick.

Repairs to damaged RCC structural members at all locations/ floors using polymer modified cementatious mortar, for strengthening the existing RCC structural members using acrylic based polymer and comprising the following operations: 1. Breaking cracked/ spalled concrete members along the cracks with plaster, including removing and stacking of all unserviceable material at site, simultaneous transportation and disposed at a location in Anushaktinagar as identified by EIC. complete all as per specifications and as directed by the Engineer-in Charge. 2. Exposing and cleaning the reinforcement thoroughly by light tapping/ wire brushing of using strong emery paper and finally by acetone/rust remover of Dr. Fixit/ Anuvi chemicals/ Fosroc or other equivalent. 3. Applying a coat of polymer and cement slurry in the ratio 1:1 by volume to the reinforcement bars. 4. Polymer required for the work shall be procured by the Agency from approved Manufacturers Like M/s. Astra, M/s. Anuvi, M/s. Apcotex or other approved equivalent manufacturer confirming to technical requirements as below and the invoices/challans etc to be submitted to EIC for record. Appearance: Milky white Ph- value : 9-10 Specific gravity : 1.055+/-0.005 Solid contents(%w/w)-: 44+/-1 Viscocity at 25 degree C temperature (in sec): 15-20 Testing of the material as per relevant codes at NABL approved third party Lab. is to be done by the Agency for every batch/lot of supply. 5. Bond coat should be applied @ 0.37 ltr./layer/sq.m. 6. Minimum FM of silica sand should be 2.10.

a) Building up with polymer modified cementatious mortar for RCC structural members etc. in layers not exceeding 20 mm in a day (proportion – cement 50 Kg. : Silica sand 125 Kg. : polymer liquid 10 ltrs.) with necessary bond coat (polymer : Cement = 1:1 by volume) for tack coat and also for subsequent layers using polymer including curing, covering the flooring/window with tarpaulins or equivalent covering material to avoid deposition of polymer mortar and cleaning of floor/ windows thoroughly on completion of repair work etc. complete all as per specifications and as directed by the Engineer-in-charge. Note: Polymer used for this work in Kg shall be measured for payment.

Brick work in cement mortar 1:6 in superstructure at all floors and levels using well burnt locally available bricks of approved qualit including scaffolding, raking out joints above ground level simultaneous pionting below ground level curing, scaffolding etc. complete all as per specifications & as directed by the Engineer-in-charge.

Jacketing and strengthening of R.C.C. column with free flow self compacting micro concrete made with Roff concrete Repair (Super flow micro concrete) manufactured by M/s. Roff construction chemical, (or) Renderoc RG manufactured by M/s. Fosroc chemicals (India) limited (or) ESSEN construction chemical or other approved equivalent make, which consist of dismantling loose concrete along with plaster, cleaning the reinforcement thoroughly with wire brush and finally with acetone, making micro concrete by mixing prepacked dry micro concrete and water in proportion as prescribed by the manufacture, mixing them thoroughly for 5 minutes for achieving free flow state of micro concrete, pouring the micro concrete in layers, compacting the concrete by blowing strokes with 16 mm steel rod, curing for 10 days (curing shall be commenced immediately after 4 hours of pouring concrete) etc. including providing shuttering etc. complete all as per specifications and as directed by the EIC. NOTE: Measurement shall be taken as per actual consumption of pre-packed dry micro concrete in Kg. used for structural repairing work.

Reinforcement for reinforced cement concrete conforming to IS at all floors & levels including, supplying, cutting, bending, fixing and tying in position with 1.6 mm dia soft drawn annealed binding wire including cost of binding wire, labour etc. complete all as per specifications and as directed by the Engineer-in-Charge. Note: Binding wire required for the work shall be supplied by the contractor & the same will not be measured for payment.

a)With high yield strength deformed bars Fe 500 D grade as per IS:1786-2008.

Providing & laying 6 mm aggregate 1:2:4 screed average 30 mm thick mixed with approved water proofing compound @ 2% of weight of cement spread over the existing roof for obtaining proper slope towards the existing the rain water spout, wherever required etc. complete all as per manufacturers specifications and as directed by the Engineer-in-Charge.

Removing & refixing of rainwater mouth at terrace with CI connector piece including removing existing damaged pipe and fixing with new pipe, cementing of joint etc. as directed by the Engineer-in-Charge.

Providing and applying one coat of base primer (Apex Ultima protect of M/s. Asian paints or Aquatech of M/s. ICI Dulux or equivalent) and two top coats of acrylic water proof exterior coating of Weathershield flexx rainproof system of M/s. ICI Dulux or other approved equivalent make and shade over the sand face / form finished surfaces/ rough cast plaster at all locations as required, thoroughly mixed and applied at an interval of 6-8 hours for each successive coats and ensure consumption of 0.47 ltr/Sqm for 3 coats,(base coat @.29 Ltr/sqm & two top coats @0.18 Ltr/sqm ) for sand face surfaces including preparation of surface, cleaning and filling the cracks and crevices with Latex caulking crack filler etc. Complete generally as per the manufacturer's specification and as directed by the EIC.

a) Over sand faced plastered/ Form finished surfaces.

Providing supports to the water supply lines by providing 25 mm thick neoprene pad of required size of approved make at contact surface with GI line complete all as directed by the Engineer-in-Charge.

Shivkrupa Enterprises (BID ID -3240046)

Rajesh Infrastructure Pvt Ltd (BID ID -3240010)

Shivkrupa Enterprises (BID ID -3240046)

Rajesh Infrastructure Pvt Ltd (BID ID -3240010)