Repairs to terrace waterproofing, including structural repairs at the L floor and other locations, and replacement of old pipes in V.S Bhavan, Anushakti Nagar, Mumbai

Amount

ABSTRACT SHEET

PART - I - CIVIL WORKS

Description of Work / Item(s)

Amount

PART - I - CIVIL WORKS

Brick work in ready mix mortar of M/s. Roofit, M/s. Ultratech or equivalent of 1:4 using well burnt locally available bricks of approved quality including scaffolding, raking out joints above ground level, simultaneous pointing below ground level, curing, etc. complete all as per specifications & as directed by the Engineer-in-Charge.

a) In super structure at all floors and levels.

Supplying and fixing the following size type-B uPVC UV-stabilised SWR (Soil/Waste/Rain) pipes and fittings for soil, waste, vent, antisyphonage pipe, and rainwater pipe lines, consisting of the following items of work: i) Removing the existing damaged cast iron pipelines along with fittings of various diameters ranging from 50mm to 160mm without damaging the adjoining structure and handing over and transporting the pipes to a designated place at the Trombay Village store. ii) Providing and fixing uPVC UV-stabilised SWR pipe of type-B conforming to IS:13592 with fittings as per DIN 19531/DIN 19534 and conforming to IS:14735 laid in the floor and on exposed faces of walls of Prince Ultrafit or equivalent approved make. iii) Fixing the pipeline vertically with M-S heavy-duty clamps specially made by an MS angle of 50x50x6mm (single MS bracket weight shall be 3.6 to 5 Kg each) as per frame pattern & shape (at an interval of 1.0m) the same shall be fitted on shaft wall with necessary/ suitable dia stainless steel fastners till 4" in wall with necessary adhesives etc over which GI 'U' clamp of 6mm dia with bolt shall be fixed including rubber seal around the 'U' bolt, the 'U' bolt shall be fixed in MS brackets to hold the uPVC pipe firmly. iv) Providing and fixing a uPVC cowl at the top of the soil; waste water pipe v) The rainwater pipe shall be fixed to rainwater spouts at terrace level with neat Cement punning mixed with water-proofing compound in the recommended proportion at all levels and as directed by Engineer-in-charge vi) Laying the pipe below the floor or ground to a proper slope and gradient for making connections of soil pipe line with inspection chamber or manhole, waste water connection with gully trap chamber, including the cost of cement mortar, cement concrete, water proofing compound, encasing pipe line blow ground with sand, etc. vii) Jointing the pipe with solvent cement and a rubber ring gasket (the rubber ring conforms to IS 5382), making holes in walls and floor grooving and redoing the same, and brick support, etc., giving a water-tightness test for the pipes laid as per codal provisions. Providing ring-jointed pipes at verticals and solvent-cement-jointed pipes at concealed locations vii) Necessary cutting to the required length, including short pieces, fittings with and without doors, assorted fittings such as plugs, tees, couplers, reducers, cross tees, reducing tees, elbows, bends, cleaning pipe, single and double Y, vent cowl, WC connectors, off sets, etc. viii) Dewatering the pit or trench, if necessary, until completion of work; ix) Painting with two coats of heavily pigmented exterior water-based latex paint over MS angle; including steel scaffolding if necessary for fixing; all the work shall be executed as per the direction and satisfaction of the engineer in charge. (Note : The MS angle brackets shall be made & approved by EIC before use at the satisfaction of EIC).

110 mm Nominal size (Outside Diameter)

160 mm Nominal size (Outside Diameter)

Providing, laying, jointing, fixing, testing & painting heavy quality (Class 'C') M.S. galvanized pieces 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 inlcuding 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 removing the old damaged G.I. pipes & handing over to dept. stores, scaffolding, testing the pipes etc. complete all as per specificaton and as directed by the Engineer-in-Charge.

a) 15 mm n.b.

b) 25 mm n.b.

c) 40 mm n.b.

Cement plastering 15mm thick 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 pop over brick walls or concrete surfaces at all floors and levels, including 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. and it also includes removing of existing damaged/ worn out/ loose plastering and disposing off outside V S Bhavan premises within Anushakti Nagar at location identified by EIC etc. complete all as per specifications and as directed by EIC.

Supplying & fixing 25 mm thick PVC integral free foam sheet in form of flush finish door shutter, manufactured by M/s. Jain Irrigation Systems Ltd. (Ex-cel sheet) or other equivalent approved make of white colour, solid section, extruded rigid, light weight sheet with fine & homogeneous closed cell structure with smooth, glossy, hard surface finish on both sides including providing recessions for hinges and providing & fixing 3 nos 100 mm heavy duty S.S. hinges and 2 Nos. 100 mm heavy duty aluminium baby latches, 1 nos. of 250 mm long SS aldrop (All theese fittings shall be of M/s. Shalimar or equivalent as approved by dept.). Bow handles with back plate and including providing a vision panel opening of size 300 mm X 200 mm including providing and fixing PVC moulded louvers on both faces in the opening of vision panel with ss screws, all edges to be smooth finish with mixture of PVC powder & solvent etc complete all as per specification and as directed by the EIC. Note:- 1) The entire door shall be jointless shutter. 2) The sizes shall be approximately 600-900 mm x 2000-2100 mm, however exact dimensions shall be measured at site before manufacturing.

Providing and fixing at all floors and levels machine cut & one side machine polished natural granite stones as mentined below for Door/ Window framing, flooring, dado, skirting, cladding etc. and including necessary cement mortar for backing/ bedding, close jointed and grouted with matching cement slurry and finished to line, slope, level, plumb, curing, cleaning of stone slabs, wastage, making cut outs wherever required, as per drawing & pattern (includes all the moulding/ chamfering etc.) including removing old floor,dado stacking all the serviceable materials and disposal of the same out side V S Bhavan at location identified by EIC etc complete all as per specifications and as directed by Engineer in charge. Note: The outer exposed surface on elevation and the exposed vertical finished face shall be measured for payment in sq m. Overlapping, edges, etc. shall not be measured.

Premium quality 18 mm thick granite stone of brown, black, red, or any other shade for door or window framing, dado, skirting, or cladding in sandwich pattern with stone slabs of various sizes in pattern, including 15-20 mm thick 1:3 cement mortar bedding with applying Araldalite over an unpolished surface to the granite stone for fixing, etc., complete as directed by the engineer-in-charge.

Providing and applying two coats of waterproof cement paint with minimum 10 years of waterpfooring warranty of an approved make such as M/s. DUlux, M/s. Asian and colour as per manufacturers specifications to smooth sand faced or other surfaces, unlimited heights from ground level and at all locations as directed including preparing surfaces for painting by washing the surface with jet washing machine etc. any approved means, scaffolding, cleaning and curing etc. complete as directed by Engineer-in-charge.

Supplying & Fixing 3 mm thick lead flashing in single piece of lead sheet all around the rain water outlet mouth on a layer of cold bitumen including heavy duty 5 mm thick C.I. grating, b) 230 x 230 (9" x 9") square or dia outlet for 150 mm (6") pipe.

Supplying & Fixing 3 mm thick lead flashing in single piece of lead sheet all around the rain water outlet mouth on a layer of cold bitumen including heavy duty 5 mm thick C.I. grating, a) 150 x 150 (6" x 6") square or dia outlet for 100 mm (4") pipe.

Waterproofing Works : Filling the crack over roof terraces with following operation consisting of, i) open the crack with V grove 25 mm deep. ii) Cleaning thoroughly with wire brush and subsequently with water. iii) Mixing of Zycoprime and water in the ratio of 1:2:20 and pouring in V grove till the grove is fully filled/ saturated, allow setting for set for 24 hrs. iv) Crack filling with the mixture of Elastobar of M/s. Zycocil or equivalent and cement and silica sand in the ratio of 1:1:2 by weight allow setting for 6 hrs. v) Applying elastobar of M/s. Zycocil or equivalent, coating with elastobar and cement with ratio 1:1 both ways by brushing, allow drying for 3 hrs. vi) Apply a coat of mixture of Zycoprime and cement in the ratio of 1:1 covring the grove for about 100 mm each side. vii) Measurement shall be taken as per kg. Consumption of Elastobar only for above mentioned opreation al as directed by EIC.

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 & Applying (spray applied) minimum 1.5 mm thick, seamless elastomeric hydrophobic Polyurethane resin based water proofing membrane for open to sky roof terrace surface of flexible dispersion treatment, UV resistant, chemical and thermal resistant, two component based, over existing surfaces (terraces, parapets) 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, disposing of debris outside premises, all complete as per the manufacturers specifications and as directed by EIC, using any of the following waterproofing systems, such as 1) Smartcare PU Magnum of M/s Asian paints 2) Polyurea WPE of M/s Fosroc 3) Kemperol 1K of M/s Kemperol systems, all confirming to following technical requirments: (Note : If there is any old layer of waterproofing, the same shall be removed completely from scratch.) Chemical properties: Solids by volume : 100 % Tensile strength : 4.0 N/mm2 (minimum) Elongation : 300 % (minimum) UV Resistant : Continuous 1000 hrs (min) as per ASTM D 4587 Service temperature : -30°C to +90°C Other parpameters such as Shore hardness, viscosity, density , Adhesion, etc. shall be as per manufacturer's recommendation.

Over terrace slab, top of mumty, water tank and parapet, Chajja, canopy etc. at all levels Note: - 1) The layer of memberane shall be laid using high pressure spray proportioning machine / spray gun for plural heated polyurea components. 2) Flashing the memberane inside the RW pipe bends 150mm inside the RW pipe, by widening the mouth of the bends as per site requirement. 3) The laying of memberance shall be got done through an applicator authorised by the manufacturer of the membrane.

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 eqivalent. 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. Polymer used for this work in KG shall be measured for payment.

Jacketing and strengthening of R.C.C column with free flow self compacting micro concrete made with Polycrefe manufactured by 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 16mm steel rod, curing for 10 days (curing shall be commenced immediately after 4 hours of pouring concrete) etc. including providing leakproof shuttering in line & level and disposal of debris outside colony etc. complete all as per specifications and as directed by the Engineer-in-Charge. (Measurement shall be taken as per actual consumption of prepacked dry micro concrete in Kg. used for structural repairing work. ).

Injecting approved low viscous epoxy grout into concrete slab, stone masonry cracks, columns etc. by suitable gun/ pump at required pressures of 3-4 kg/Sqcm by providing necessary scaffolding, drilling and inserting 12mm dia. Brass grouting multiperforated nipples up to 30mm to 40mm depth, using M Seal, Quartz sand around the nipple, cutting of nipples after curing, cleaning etc. complete. (This item shall be paid on actual consumption of epoxy used in Kgs.)

Sand faced cement plaster 20 mm thick in 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, mechnical mixing with water in a metalic 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 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 and disposing off debris outside colony etc. complete all as per specifications & as directed by the Engineer-in-charge. 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 acquint himself with the condition of building.

Providing and applying one coat of base coat (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 paint of Apex Ultima Protek of M/s. Asian Paints / Weathershield flexxrainproof 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 strict consumption as per manufacturer specification at all location & heights including steel tubular heavy double scaffolding by complying all it's relevant IS codes, surface preparation like jet washing to remove all dirt, all loose paint film etc., cutting/ cleaning and filling the hairline cracks and crevices with Latex caulking crack filler etc. complete all as per the manufacturer's specification/ recommendations and as directed by the Engineer-in-charge.

a) Over sand faced plastered / Form finished surfaces