Providing and laying kotah stone slabs in treads and all landings in staircase of various type-III-C buildings under TTM-I unit at Anushaktinagar, Mumbai.

Amount

PART A : MAIN ITEMS

Description of Work / Item(s)

Amount

PART A: MAIN ITEMS

Providing & Laying Kotah stone flooring / dado / skirting of approved size at all floors & levels using 25 mm thick machine cut, machine polished kotah stone slabs laid over cement mortar bedding as specified below, close jointed & pointed with matching slurry of cement finished to levels, slope or plumb, curing including removing carefully existing damaged/ worm out flooring , dado & skirting etc. complete all as per specifications & as directed by the Engineer-in-charge.

a)In flooring with cement mortar 1:4, 20mm thick bedding and machine polishing after laying.

Providing and laying of Kotah stone for stair treads with 3 line anti skid grooves and nosing at all floors & levels using minimum 25 mm thick machine cut machine polished kotah stone slabs laid over 1:4 ready mix cement mortar bedding including curing hand polishing removing old damaged/ worn out tread and disposing off debris within colony etc., all complete as per specification and as directed by 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: 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. Note : Polymer used for this work in Kg shall be measured for payment. Polymer required for the work shall be supplied by contractor.

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

a) 15 mm thick.

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 cement plaster /sand faced plastered / Form finished surfaces

Providing and fixing structural steel of approved grade of approved manufactures using steel sections such as angles, flat bars, tees, channel, tubes, pipes, hollow section square bars etc. of required sizes at all levels and locations including cutting, fabricating, welding, erecting & fixing in posion, necessary scaffolding, anchor fastners, nails etc. and including removing of existing old damaged steel sections , painting one coat of steel 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.

Providing and fixing second class teak wood in frames/ hand railings of required sections and design for railing, battens etc.wrought framed and fixed in position including labour cost for fixing railing in position including applying one coat of approved wood primer & two coats of synthetic enamel paint to the exposed surfaces and two coats of bituminous paint to the surfaces of frames in contact with masonry/ concrete etc. including removing the old damaged frames /railing transporting to Deptt. Stores and making the adjacent railing good to match with existing surfaces, etc. complete all as directed by the Engineer-in-Charge.

ANAND ENGINEERING WORKS (BID ID -3172999)

MARC CONSTRUCTION (BID ID -3173089)

M/S.S.V.CHANDAN (BID ID -3168467)

RESHMA CONSTRUCTION (BID ID -3170726)

ANAND ENGINEERING WORKS (BID ID -3172999)

MARC CONSTRUCTION (BID ID -3173089)

M/S.S.V.CHANDAN (BID ID -3168467)

RESHMA CONSTRUCTION (BID ID -3170726)