Providing Chemical based waterproofing treatment and replacement of existing water supply and rain water lines over the terraces of various buildings under TTM-I maintenance unit and other location at Anushaktinagar, Mumbai

Amount

GENERAL ABSTRACT

PART-A- MAIN ITEMS

PART-B-REBATE ITEMS

Description of Work / Item(s)

Amount

PART- A

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 ( minimum 45 GSM) and multiple layers of chemical coat ( 2 to 3 coats as per manufacture specification), removing the existing damaged water proofing 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: Physical / 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 Tested as per Manufatures specifications

(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.

Supplying and fixing following size PVC-SWR pipes and Fittings for soil, waste,vent and rainwater pipe lines consisting following items of work:- i) Supplying PVC - SWR pipes and fittings conforming to IS 13592 of approved make and standard PVC clamps ( approx. 3.2 mm thick ) and nails or MS galvanised clamps having minimum 3 mm thick for fixing the pipe. ii) Fixing the pipeline vertically to plumb, keeping the pipe barrel 50 mm away from the wall face, using PVC or MS galvanised clamps Including scaffolding. iii) Providing and fixing PVC Domed roof outlet (grating ) for RWP & PVC cowl for waste / soil pipe. iv) Jointing the PVC pipes and specials by PVC solvent cement, rubber lubricant with rubber rings or any other approved equivalent method. v) Laying the pipeline below the ground to proper slope and gradient for making connection of soil and vent pipeline ( Vertical stacks ) with inspection chamber or manhole and waste water pipeline with gully trap chamber including the cost of cement mortar, water proofing compound etc., testing the vertical pipeline by smoke test and horizontal pipeline by 600 mm head of water and rectifying the leakages, if any all complete . vi) Cutting or making hole in RCC or brick work and reinstating the surface to it's original condition after passing the pipe with cement mortar / cement concrete etc. by adding approved water proofing compound. PVC - SWR Pipe & Fittings ( TYPE-B )

a) 110 mm dia.

Removing, Re-fixing, laying, jointing, testing & painting existing M.S. galvanized pipes including fittings like elbows, collars, tees, unions, couplings, reducers, enlargers, bends and all other fittings required for the completion including laying under floors, chasing, in walls, roof slabs and making good the same to the original conditions, including the cost of all jointing materials like hemp yarn, white or red lead, clamps, wooden gutties, screws, cement, sand etc., including proving pvc sleeves at wall/concrete portion of pipe complete all as per specification and as directed by the Engineer-in-Charge.

Providing, laying, jointing, fixing, testing & painting heavy quality (Class 'C') M.S. galvanized pipes as per I.S. 1239-1968 including fittings like elbows, collars, tees, unions, couplings, reducers, enlargers, bends and all other fittings required for the completion except screwed flanges conforming to I.S.1239-1968 & also as per the code of practice of water supply in bldgs. of I.S.2065-1972 including laying under floors, chasing, in walls,roof slabs and making good the same to the original conditions, including the cost of all jointing materials like hemp yarn, white or red lead, clamps, wooden gutties, screws, cement, sand etc., including proving pvc sleeves at wall/concrete portion of pipe including removing the old damaged G.I. pipes & handing over to dept. stores, scaffolding, testing the pipes etc. complete all as per specification and as directed by the Engineer-in-Charge.

Providing and fixing in position heavy pattern screw down gun metal Gate Valve conforming to IS:778 with hand wheels at top including testing for 10 Kg./Sq.Cm. pressure with clean and potable water with a minimum testing duration of two hours etc including removing gun metal Gate valve & returning to deptt stores etc complete all as per specifications and as directed by the Engineer in Charge.

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 mebrane curing by applying on coat of factory made curing compound Resikure of M/s. Anuvi Chemicals, concure of M/s. Forsoc, Dr. Fixit curing coumpound or other equivalent over repaired surfaces as per manufacture's specification etc. including removing existing damaged/ worn out plastering and disposing of debris anushaktinagar colony etc. complete all as per specifications & as directed by the Engineer in Charge.

20mm 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) 12 mm thick.

b) 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 polymer (deptt. supply at fixed rate) and comprising the following operations: i) Breaking cracked/ spalled concrete members along the cracks with plaster, including removing and stacking of all unserviceable material at site, simultaneous transportation and disposal of debris outside colony etc. complete all as per specifications and as directed by the Engineer- in- Charge. ii) Exposing and cleaning the reinforcement thoroughly by light tapping/ wire brushing of using strong emery paper and finally by acetone. iii) Applying a coat of polymer and cement slurry in the ratio 1:1 by volume to the reinforcement bars.

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 scaffolding, 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.

Brickwork 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 & removing shuttering etc. complete all as per specifications and as directed by the Engineer-in-charge.

Providing & laying 6mm aggregate 1:2:4 screed average 30mm 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.

Providing and fixing in position at all floors, levels/ heights 18mm thick mirror polished natural stones slab for doorframe in two overlapping layers one piece full length/ height ofapproved shade, finished sizes as directed including machine cut/ hand cut, final cleaning, moulding and polishing of exposededges, in line, level, plumb and fixing the stone with cm 1:3,20mm backing & overlapping of 20mm shall be fixed withAraldite adhesive, with best workmanship, finishing, curing including removing existing door frame, shutter & fittingsetc. and depositing the same at dept. store etc. complete all as per specifications, drawings & as directed by the Engineer- in- Charge.

a) Baroda Green marble Stone.

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.

Dismantling of existing kotah stone with backing coat of cement morter from parapet walls , piller etc. complete all as per specifications and disposing of debris outside colony etc. as directed by the Engineer-in-Charge.

Pressure grouting through RCC slab / brick masonry by drilling hole in RCC slab to required depth without causing any damage to reinforcement, inserting ½” dia PVC pipe in hole securing the hole sides with cement mortar 1:2, pressure grouting with cement slurry mixed with approved water proofing compound @ 2% by weight of cement to required pressure, continuing the pressure grouting till the flow of cement slurry stops, removing the PVC pipe, sealing the hole with cement mortar 1:1, scaffolding etc. complete all as directed by the Engineer–in–Charge.

Providing & laying Kotah stone 20mm thickness minimum at all level on top of pedestal of 300x300mm approx. at terrace including necessary cement mortar 1:4,20mm thick bedding, close jointed and grouted with matching cement slurry and finished to line, slope, level, plumb, curing etc, as required including cutting of stone slabs, wastage, making cut outs wherever required, including removing top plaster etc, all as per specifications and as directed by Engineer-in-Charge.

Reinforcement for reinforced cement concrete 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 will have to be supplied by the contractor & the same will not be measured for payment.

a) With Fe 500

Providing and making cores of 32 mm/ 40 mm/ 50 mm dia. to the overhead water tank using electric operated core cutting machine and plugging of old damaged/ abandoned pipes holes with waterproofing cement mortar all complete as directed by Engineer- in- Charge.

Providing cement based waterproofing treatment to the inside surface of water tank by giving injections to concrete bottom slab and walls as required with cement and approved water proofing compound solution to fill up inherent holes, voids, honey-combs etc. complete and treating the floor and walls with waterproofing mortar as per specifications of specialized waterproofing agencies, finishing smooth with trowel in cement colour land testing of water tank by filling up with water as per specifications etc. The thickness of treatment on the floor will be 50 mm and on the walls about 20 mm including removing existing damaged cracked loosened plaster at all floor levels including cleaning the surface of all loose mortar/ concrete stacking debris at directed place and including scaffolding etc. complete all as directed by the Engineer- in- Charge.

Applying two coats of Dr. Fixit Fastflex high performance polymer modified cementatious water proof coating to interior walls and ceiling of over head water tank which consist of dewatering dead storage water from tank, providing scaffolding if required, through cleaning of surface with wire brush and by high pressure water jet/ spray cleaning at the pressure of 100 Kg/Sqcm to remove all loose laitance, dirt, oil and loose material, mixing two components ( i.e. powder and polymer) of Dr. Fixit Fastflex thoroughly without diluting with, applying two coats of Dr. Fixit Fastflex to walls, flooring, leaving one day gap between first and second coat, dry curing the coated surface for 7 days thoroughly cleaning of coated surface with high pressure water jet/ spay cleaning at the pressure of 100 Kg/Sqcm after 7 days of dry curing, dewatering the reservoir after cleaning, providing proper lighting arrangement for illuminating the interiors of reservoir to enable proper workmanship and supervision, providing proper electrically operated exhaust & ventilating system for proper ventilation of interior of reservoir to avoid any toxicity to workers, taking proper safety precautions etc. complete all as per manufacturers specifications and as directed by the Engineer- in- Charge.

Description of Work / Item(s)

Amount

PART- B- REBATE ITEMS

Taking away the Pipes of various diameters outside the DAE Colony at Anushaktinagar.

a) CI Pipe 75 to 110 mm dia

b) GI Pipe 25 to 80 mm dia

Omkareshwar Construction

NANU CONSTRUCTION

R C Bidave

Rajesh Infrastructure Pvt Ltd

ANS Constructions.com

Omkareshwar Construction

Rajesh Infrastructure Pvt Ltd

NANU CONSTRUCTION

R C Bidave

ANS Constructions.com

S.B ENTERPRISES

R C Bidave

NANU CONSTRUCTION

ANS Constructions.com

Rajesh Infrastructure Pvt Ltd