Repairs in internal wall, ceiling and flooring at Bandra B and C, Mistry Nagar 2 and 3, Atomica, Anand Bhavan, Kenilworth, Purnima and Zerlina buildings under LGR Maintenance unit, Mumbai.

Amount

ABSTRACT SHEET

Part - A

PART B - Rebate Items

Description of Work / Item(s)

Amount

PART A:

Providing and erecting double bamboo scaffolding using minimum 50 to 75mm dia best quality bamboos tied with coir rope and the horizontal and vertical members of the bamboos to be provided as required at spacings of not more than 900mm apart both horizontally and vertically including providing cross supports as struts to the scaffolding properly to the building for maintenance/ repair works of external surfaces of buildings as and when required including providing necessary safety belt and helmet to the workers, dismantling the scaffolding and taking back the scaffolding, safety belt and helmet after the repair works are completed including cost of transportation, labours, bamboos etc. complete all as per specifications and directed by the Engineer in charge.

a) Double bamboo scaffolding.

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: Important Notes: 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.

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 curing and removing existing damaged/ worn out plastering and disposing off debris out side colony etc. complete all as per specifications and as directed by Engineer in charge.

a) 12 mm thick

b) 15 mm thick.

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 levels, including making grooves of existing size wherever required, including cleaning the surfaces, including membrane curing by applying one coat brush, roller or spray using acryalic based curing compound i.e. Resikure of M/s Anuvi Chemicals/ Concure Of M/s FOSROC or other equvalent ( as per manufacturer's specification ) 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:1. The contractor must take full precautions that original brick work is not damaged while dismantling of plaster. In case 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 him self with the condition of building.

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 16mm steel rod curing for 10 days (curing shall be commenced immediately after 4 hours of pouring concrete) etc. including providing shuttering and disposal of debris outside colony etc. complete all as per specifications and as directed by the Engineer in charge. 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 IS1786latest 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 grade

Repainting of old painted surfaces with two coats of Sythetic Oil bound distemper ( on already prepared surafce/old similar painted surafce) of approved colour shade and make with one coat of cement primer including covering the furniture etc. with tarpaulins or eqivalent covering material before applying scaffolding, removal of splashing & dropping from floors, doors & windows, cleaning the surfcaes etc. complete all as per specifications and as directed by the Engineer In charge. a) Two coat of sythetic oil bound distemper over one coat of approved cement primer.

Repainting of old painted surfaces with two coats of acrylic emulsion paint ( on already prepared surafce/old similar painted surafce) of approved colour shade and make with one coat of cement primer including covering the furniture etc. with tarpaulins or eqivalent covering material before applying scaffolding,removal of splashing & dropping from floors,doors & windows,cleaning the surfcaes etc. complete all as per specifications and as directed by the Engineer In charge. a) Two coats of acrylic emulsion paint over one coat of approved cement primer.

Providing and applying cement based wall care putty in one coat of wall care putty of approved make over entire surafce including preparing old painted surafce by thoroghly scrapping oilbound distemper/acrylic emulsion/white wash etc. filling up the cracks crevices,depression,hole etc. including sand paprering and making surface seven and smooth dusting/cleaning,scaffolding,covering the furniture etc. with tarpaulin or eqivalent covering material, cleaning of all surfaces etc & disposing of debris outside colony etc. complete as per specification and aas directed by the Engineer in charge.

Painting old steel/wood work with two coats of synthetic enamel paint of approved shade and make over one coat of primer including preparing surfaces, filling with putty wherever required and cleaning etc. complete all as per specifications and as directed by the Engineer in charge.

Plain cement concrete 1:2:4 using graded stone aggregate of 20mm max. size at all floors, levels and locations including machine mixing, laying, consolidation, finishing, curing,formwork etc. complete all as per specifications and as directed by the Engineer-in-Charge.

Brick work 230 mm thick using ready mix cement mortar 1:4 at all level and locations using well burnt locally available bricks of approved quality including scaffolding, raking out joints above ground level simultaneous pointing below ground level, curing, scaffolding,etc. complete all as per specifications & as directed by the Engineer-in-Charge.

Supplying, fabricating and fixing in position at all floors factory made Aluminium sliding/top hung/fixed/ adjustable louvered windows & ventilators with rivit joint of specified size, made of integrated bronze anodised matt finished (15micron thick) aluminium section (extruded) , including for making exhaust fanframe work, handles of specified size etc, of approved manufacutres for following types with extruded sections of Jindal / Indal / Aluminax or other approved equivalent make of approved sections with size and wights as directed for frames and shutters (including wastages if any) confirming to relevant IS specifications with all approved Bronze anodised aluminium fittings and accessories, latching fixture, 2/3 rollers with ball bearing of superior quality all as shown in the drawing including providing and fixing aluminium channel beading/glazing clips fixed with necessary bronze anodised screws, grouting the gap with sealant and including dismantling of existing window frame and shutter, glass and depositing same to dept store etc all complete generally as per drawing , specifications etc, all asdirected by Engineer in charge

a) Including supplying all required material & labour charges.

Providing and fixing following thickness of clear float/Frosted/Bajara sheet glass of M/s. Triveni/Shree Vallabh/ IAG/Modi guard Saint Gobain or other approved equivalent manugacture and fixing with Aluminium frame work (door/window)including fixing aluminium channel beading and prividing and fixing 2 way PVC gasketing to ensure water and air tightness and neoprene cushions/gasket accommadated in grooves, neessary bronze anodised screws etc. all complete generally as per drawings specifications and as directed by Engineer-in-Charge.

a) 5mm thick clear float/Frosted/Bajara sheet glass.

Providing and laying machine cut machine polished cuddapah stones/ granite stone/ marble stone as mentioned following for kitchen platform vertical support/ shelves/window cill 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 etc, as required including cutting of stone slabs, wastage, making cut outs wherever required, removing the exsting sliding, breaking damaged plaster /conctete etc, all as per drawings, specifications and as directed by Engineer-in-Charge.

a) 18 mm thick machine cut and single side machine polished Baroda green marble stone for window cill in stepped form laid over 20 mm thick 1:4 cement mortar shall be fixed with Araldite adhesive with best workmanship, including half round moulding & polishing of exposed face etc complete.

a) 18 mm thick machine cut and single side machine polished Steel Grey grinate for window cill in stepped form laid over 20 mm thick 1:4 cement mortar shall be fixed with Araldite adhesive with best workmanship, including half round moulding & polishing of exposed face etc complete. Note : Overlapping area shall not be measured for payment.

Repairing of loose / shaky vitrified tile flooring at all floors and levels using polymer modified cement based tile adhesive manufactured by M/s. Roffe Construction – NSA (Non Skid Adhesive) or M/s Bal Endura Chemicals– Gold Star or other approved equivalent. The repairing process will consists of following. (1) Complete checking by tapping of affected flooring area using solid wooden stick. Identifying the affected tiles for repair work. (2) Drilling holes through tiles and widenining of tile joints using cutter as per requirement. (3) Breaking of tiles and removing backing adhesive from original flooring, cleaning etc (If Required). Checking the original flooring by tapping using solid wooden stick and repairing of original flooring by breaking the original mosaic / cement tile flooring and filling with 1:4 cement sand mortar (RMM), curing etc complete. (4) Grouting the tile flooring using tile adhesive slurry through drilled holes, widened joints, opening made by tile breaking using trowel etc and by tapping of floor tiles etc. (5) Sealing of drilled holes, widened joints using white cement cleaning of flooring, removal of debris and disposal of debris outside colony. (6) Complete checking by tapping of repaired flooring area using solid wooden stick after 7 days of repairing work in presence of departmental representative. The repaired work shall not make any hollow sound, loose/shaky motion of tiles. The entire repairing work shall be carried out as per direction and instrcutions of engineer-in-charge.

(a) Area of flooring for which grouting of joints and backing mortar done using tile adhesive of M/s. Roff Construction or equivalent includiding cleaning the surface etc complete all as per specifications and as directed by the Engineer In-charge.

(b) Providing & Fixing 600 X 600 mm vitrified tile flooring using polymer modified cement based tile adhesive manufactured by M/s. Roffe Construction – NSA (Non Skid Adhesive) or M/s Bal Endura Chemicals– Gold star, of approved colour and matching shade of existing flooring manufactured by M/s. H & R Johnson Pvt Ltd or approved equivalent of design Salt & Pepper (White), Salt & Pepper (Grey), Rigato-DC or other as per existing flooring.

(c) Removing loose / shaky vitrified floor tiles and refixing the same using polymer modified cement based tile adhesive manufactured by Roffe Construction – NSA (Non Skid Adhesive) or M/s Bal Endura Chemicals– Gold star, including removal of loose/shaky tiles cleaning back side of tile and removal of tile adhesive from existing floor area, cleaning etc complete all as per specifications and as directed by the Engineer-In-Charge.

Description of Work / Item(s)

Amount

PART B- Rebate Item

Old Scrap aluminium material

Old Glass

Old Scrap MS material

Omkareshwar Construction

Omkareshwar Construction

MAX CONSTRUCTION COMPANY