Urgent repairs in occupied residential flats under TTM-I and Western Sector Maintenance Unit at Anushaktinagar, Mumbai

Amount

PART A : MAIN ITEMS

Description of Work / Item(s)

Amount

PART A: MAIN ITEMS

Providing and erecting double bamboo scaffolding using minimum 50 to 75 mm 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 900 mm 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.

Providing and fixing adustable M S Tubulor props up to 4.00 M at required locations including breaking loose conrete/plaster, including cost of supporting planks, wooded members etc. as per drawing/ sketch, complete all as directed by the Engineer-in-Charge.

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 disposal 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 @0.37ltr/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: 1. Measurement shall be taken as per Kg consumption of polymer liquid only for above mentioned operation. 2. Polymer required for the work shall be supplied by contractor.

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 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 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 will have to be supplied by the contractor & the same will not be measured for payment.

a) With high yield strength deformed bars Fe 500D grade.

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 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 and disposing off debris out side colony etc. complete all as per specifications and as directed by Engineer- in- Charge.

b) 15 mm thick.

Providing and applying white cement based putty of average thickness 3 mm on ceiling to prepare the surface even and smooth, of approved brand and manufacturer, , including removing of existing plaster from ceiling, including scaffolding etc, complete all as per manufacturer’s specifications. etc. and as directed by the Engineer-in-charge.

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:1.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 acquiant himself with the condition of building.

Providing & laying machine cut machine polished Cuddapah stones/ granite stone/ marble stone as mentioned followings 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, providing 75mm long SS screw minimum @600mm c/c etc. all as per drawing, specifications and as directed by the Engineer- in- Charge.

a) 18 mm thick machine cut and single side machine polished Baroda green marble stone for window sill in stepped form laid over 20 mm thick 1:4 ready mix cement mortar & over lapping of 20 mm shall be fixed with Araldite adhesive with best workmanship including half round moulding & polishing of exposed face etc. complete. all as per drawing, specifications and as directed by the Engineer- in- Charge.

b) 18 mm thick machine cut and single side machine polished Baroda green marble stone for window jamb & bottom of lintel in single piece laid over 20 mm thick 1:4 ready mix cement mortar including half round moulding & polishing of exposed face etc. complete all as per drg, specifications and as directed by the Engineer- in- Charge.

Providing and laying at all floors and levels Vitrified tiles of first quality Marbonite of M/S H&R JHONSON (INDIA) Ltd or other equivalent approved make of approved colour, shade, pattern and of thickness as per manufacture's specifications, laid directly over tile, using polymer cum cement based adhesive (Type -II as per IS) manufactured by M/S Roffe construction or M/s Bal Endura chemicals or other approved equivalent in respect of flooring and fixed over 12 mm thick backing using ready mix cement mortar 1:3 in respect of skirting , close jointed and grouted white /colour cement slurry with pigments to match the colour of the tiles, finished to level, line, slope and plumb including cutting of tiles, making openings / cut out where necessary including wastage for odd shape of room and final cleaning of surfaces as required, curing etc. complete all as per specification,relevent IS code & as directed by the EIC.

a) In flooring with tiles of approx. size 600 mm x 600 mm similar to Salt & Pepper (White/Grey)/ Rigato/Athelon of M/s H& R Johnson (I) ltd. Or similar tile of other approved make, laid directly over existing tile using tile on tile polymer cum cement based adhesive.

b) In Dado / skirting with tiles of size 600 x 100 mm similar to Salt & Pepper (White/Grey)/ Rigato/Athelon of M/s H& R Johnson (I) ltd. Or similar laid over 12 mm thick ready mix cement mortar 1:3 backing, jointed with cement slurry & grouted with pigment of matching shade & finishing the top of skirting etc. complete, including dismantling the existing dado/skirting tile and backing cement mortar disposal of debris etc. complete.

Repairing of loose / shaky vitrified tile flooring/Mosaic tile flooring/ green marble/granite stone frames at all floors and levels using polymer modified cement based tile adhesive manufactured by 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 1:3 cement sand mortar, 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.

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.

Providing & laying at all floors & levels first quality matt finished/ non slippery ceramic tiles of minimum thickness as specified by the manufacturer of M/s. H&R JOHNSON (INDIA) Ltd. or euqivalent approved make of approved colors, shade and texture in flooring/ dado/ skirting as per approved pattern. incluidng cost of all materials, including of cutting the tiles to required shape, wastage, pointing the joints with white cement mixed with matching pigments to match the colour of the tiles, finished to line, level, slope & plumb, final cleaning of surface as required, curing , making necessary opening cutouts etc. and including removing existing flooring / dado and disposing of debris complete all as per specifications, relevent IS code & as directed by the Engineer-in-Charge.

a) In flooring with tiles of size 300 x 300 ( approx. size ) similar to white/ ivory/ other approved colour quartze series of M/s H& R Johnson or euqivalent approved make with 20 mm thick 1:4 ready mix Cement mortar bedding

b) In dado/ skirting with tiles of 300 x 450mm (approx. size) similar to combination of Infinity aqua/ red/ beach and infinity white of Highlighter series of M/s. H&R Johnson (India) Limited fixed over 12 mm thick using 1:4 ready mix cement mortar backing/ fixed directly over existing tile with polymer cum cement based adhesive (Type-II) manufactured by roffe construction or M/s. Bal Endura chemicals or other approved equivalent, jointed with cement slurry & grouted with pigment of matching shade & finishing the top of skirting/ dado etc. complete.

Supplying & fixing 25 mm thick PVC integral free foam sheet in form of flush finish shelves, manufactured by M/s. Jain Irrigation Systems Ltd. (Excel 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 using same material batten patti for fixing , with SS Screw for fixing arrangement etc. , all edges to be smooth finish with mixture of PVC powder & solvent etc including removing of old damaged wooden shelves , complete all as per specification and as directed by the Engineer in Charge.

Removing & Refixing of existing cupboard door shutter in bedroom including fixing of necessary arrangement like nailing, screwing etc.Inclusive Repairing/ change of any wooden batton broken with existing matching, filling with putty and painting of two coats synthetic enamel paint of approved make. Note- Piano Hinges, tower bolt, bow handle, harsp stable are paid in relevant item separately.

Repainting of old painted surfaces with two coats of synthetic oil bound distemper (on already prepared surface/ repair surface/old similar painted surface) of Tractor brand of M/s. Asian/Bison Acrylic Distemper of M/s. Berger/Beauty O B D of M/s. Nerolac/Maxilite Acrylic Distemper of M/s. ICI or other approved quivalent make of approved shade/ colour, with/without one coat of approved cement primer, including covering the furniture etc with tarpaulins or eqivalent covering materials before applying, scaffolding, removal of splashing & droppings from floors, doors & windows, cleaning the surfaces etc. complete all as per specifications and as directed by the Engineer-in-Charge.

Repainting of old painted surfaces with two coats of acrylic emulsion paint (on already prepared surface/ old similar painted surface) of Asian Premium Emulsion of M/s. Asian/Rangoli Super Acrylic Emulsion of M/s. Berger/Acrylic Dulux Super Smooth of M/s. ICI or other approved equivalent make of approved shade / colour, with/without one coat of approved cement primer, including covering the furniture etc with tarpaulins or eqivalent covering materials before applying, scaffolding ,removal of splashing & droppings from floors, doors & windows, cleaning the surfaces etc. complete all as per specifications and as directed by the Engineer-in-Charge.

Repainting of old painted surfaces with two coats of Flat Oil paint (on already prepared surface) of approved make and shade over one coat of approved cement primer including covering the furniture etc. with tarpaulins or equivalent covering materials, before applying, scaffolding, removal of splashing & droppings from floors, doors & windows, cleaning the surfaces etc. complete all as per specifications & as directed by the Engineer- in- Charge.

Painting old wood/steel work with two coats of Synthetic enamel paint of approved shade & make over one coat of primer including preparing surfaces, through scapping of MS work, filling with putty wherever required, scaffolding & cleaning etc. complete all as per specifications & as directed by the Engineer-in-Charge

a) On wooden surfaces with two finishing coat over a coat of wood primer.

Providing & applying asian paint smartcare Damp block white colored coating over wall / concrete surface including cost of removing existing old paint with putty etc., applying one coat of self priming coat of AP smart care damp block (diluted with water in 1:1 ratio) and applying two coats of AP smart care damp block (diluted with water in 3:1 ratio) etc. complete as per specification & as directed by the Engineer-in-Charge.

Providing and applying three or more coats of acrylic elastomeric water proof exterior coating of Raincoat of M/s. Dr.FIXIT Apex Stretch of M/s. Asian Paints / Weather shield Max of M/s. ICI Deluxe 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 0.46 liter/Sqm for 3 & more coats, 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. 1) The surface shall be cleaned with water jet with high pressure water pump spray of at least 100 kg/sq.m. and brushing/ rubbing with coir to remove all foreign materials etc. before painting work. 2) The entire treatment shall stand guarantee for water tightness from external treated surfaces and for bone dry conditions for a period of Five ( 5 ) years .The guarantee shall be given on the regular format of the Department under Conditions of Contract. 3) Lower consumption less than as mentioned will be recovered @ Rs. 450/ltr

Removing & Refixing of existing MS Grills / Aluminium sliding windows/ PVC door shutter etc including fixing of necessary arrangement like nailing, screwing etc. reparing of MS grills/ change of any defective parts of aluminium windows .

Providing and fixing structural steel of approved grade of approved manufactures using steel sections such as angles, flat bars, tees, channel, tubes, hollow section square bars etc. of required sizes at all levels and locations including cutting, fabricating, welding, erecting & fixing in posion, necessary scaffolding and including painting one coat Zinc chormate primer and two coats of synthetic enamel paint of approved make and colour on all exposed surfaces etc. compete all as directed by the Engineer-in-charge.

Supplying and fixing in position at all floors and location stainless steel 304 grade mosquito net made out of 24 guage ,16meshshutters including exaust fan frames etc. ofvarious size and shape fixing with stainlesssteel nuts and bolts to suit the aluminiumframe ( aluminium frame , beading etc. shallbe paid under relevant item) including labour wastage scaffolding etc. all complete as per specification,drawings & as directed by EIC

Om Enterprises (BID ID -3168727)

MARC CONSTRUCTION (BID ID -3169360)

ANAND ENGINEERING WORKS (BID ID -3169109)

F.A ENTERPRISES (BID ID -3168958)

Om Enterprises (BID ID -3168727)

MARC CONSTRUCTION (BID ID -3169360)

ANAND ENGINEERING WORKS (BID ID -3169109)

F.A ENTERPRISES (BID ID -3168958)