DCSEM/CQD/QSB/21-22/NIT/35 dated 06.08.2021

Amount

GENERAL ABSTRACT

PART - A - CIVIL WORKS

Description of Work / Item(s)

Amount

PART I :CIVIL WORKS

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.

Providing and fixing in position at all floors, levels/ heights 18mm thick mirror polished natural stones slab for door frame in two overlapping layers one piece full length/ height of approved shade, finished sizes as directed including machine cut/ hand cut, final cleaning, moulding and polishing of exposed edges, in line, level, plumb and fixing the stone with ready mix cement mortar 1:3, 20mm backing & overlapping of 20mm shall be fixed with Araldite adhesive, with best workmanship, finishing, curing, providing 75mm long SS screw minimum @600mm c/c including removing existing door frame, shutter & fittings etc. and depositing the same at dept. store etc. complete all as per specifications, drawings & as directed by the Engineer- in- Charge.

a) Jet Black Granite Stone.

b) Baroda Green marble Stone.

Replacement of 18mm thick damaged baroda green marble window sub-frame with similar marble including removing and refixing carefully the existing MS grill with all fasteners screws etc including necessary heavy quality approved make screws, washer, silicon sealant etc and including disposal of debris outside colony. The entire repairing work shall be carried out as per specifications, direction and instrcutions of Engineer-in-Charge.

Providing & laying at all floors & levels first quality ceramic tiles of minimum thickness as specified by the manufacturer of M/S. H&R JHONSON (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

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 300X450mm( approx size) similar to combination of Infinity aqua/red/beach and infinity white of Higlihter 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.

c) In Dado / skirting with tiles of size 300 x 450 mm ( approx size) similar to Digital HD series tile Linea blue/snow white of M/s H&R johnson (India) Limited or euqivalent approved make fixed over 12 mm thick ready mix cement mortar 1:4 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.

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.

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.

a) 15 mm thick.

Providing and applying one coat of cement based grey putty of M/s Roofit mix or other approved euivalent make over entire surface including preparing old painted surfaces by thoroughly scrapping oil bound distemper /acrylic emulsion / white wash etc, filling up the cracks, crevices, depression, holes, spray curing for three day etc, including sand papering and making surfaces even and smooth dusting /cleaning, scaffolding , covering the furniture etc with tarpaulins or eqivalent covering materials, cleaning of all surfaces etc.& disposing of debris outside colony etc.complete as per specifications and as directed by the Engineer-in-Charge.

Repainting of old painted surfaces with two coats of synthetic oil bound distemper (on already prepared 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.

a) Two coats of synthetic oil bound distemper excluding cement primer old similar painted surface with minor touchup if any. (Note : No ceiling to be painted)

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 eqivalent 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.

a) Two coats of Flat Oil paint including cement primer old similar painted surface with minor touchup if any.

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.

a) Two coats of acrylic emulsion paint excluding cement primer old similar painted surface with minor touchup if any. (Note : No ceiling to be painted)

Repainting of old painted surfaces with two coats of Royale Luxary Acrylic Emulsion paint (on already prepared surface/ old similar painted surface) of approved make and shade over 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.

a) Two coats of Luxary Acrylic Emulsion paint excluding cement primer old similar painted surface with minor touchup if any. (Note : No ceiling to be painted)

Repairing of loose / shaky vitrified tile flooring 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.

a) In flooring with tiles of approx. size 600 mm x 600 mm similar to Salt & Pepper (White)/ Perlato/Athelon of M/s H& R Johnson (I) ltd. 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) of M/s H& R Johnson (I) ltd laid over 12 mm thick CM 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 out side colony etc. complete.

c) In flooring with tiles of approx. size 600 mm x 600 mm similar to RIGATO DC of M/s H& R Johnson laid directly over existing tile using tile on tile polymer cum cement based adhesive.

d) In Dado / skirting with tiles of size 600 x 100 mm laid (RIGATODC) over 12 mm thick CM 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 out side colony etc. complete.

e) In flooring with tiles of approx. size 600 mm x 600 mm similar to Salt & paper (Grey)laid directly over existing tile using tile on tile polymer cum cement based adhesive.

f) In Dado / skirting with tiles of size 600 x 100 mm similar to Salt & Pepper (Grey) of M/s H& R Johnson (I) ltd laid over 12 mm thick CM 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 out side colony etc. complete.

g) 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.

Pal Buildcon

AMBIKA ENTERPRISE

Pal Buildcon

AMBIKA ENTERPRISE