Miscellaneous Repairing Work At Durgachak Super Market Haldia.-1.00 Stripping off worn out plaster and raking out joints of walls, celings etc. up to any height inside & out side walls including scaffolding, removing rubbish and stacking within 75 mtr. Distance all complete as directed.Ref: Page No -11, item no-10, of PWD ( B )-2017. 2.00 Dismantling R.C. floor, roof, beams etc. including cutting rods and removing rubbish as directed within a lead of 75 m. including stacking of steel bars.Ref: Page No -10, item no- 3,a of PWD ( B )-2017. 3.00 Cleaning the concrete surface by removing dirt and debris, marking defective locations and removing loose concrete by careful stripping untill hard surface is exposed, cutting the concrete to regular shape, wire brushing the exposed surface and removing debris from site complete as per direction of the Engineer - in - Charge.Ref: Page No-45, Item No-5 of PWD (B) -2017. 4.00 Applying epoxy based reactive joinin gagent for joining the old concrete with fresh concrete to be applied with in manufacturers specified time as per manufacturers specification. (0.4 Kg / m² of concrete surface). Ref: Page No-45, Item No-7 of PWD (B) -2017. 5.00 Cleaning the exposed reinforcement preferablyupto full diameter bywire brush,applyingtwocoatsofpolymerbased rustremovingcompoundleft for 24hours, removing the coating and then applying two(2) coats of polymer modified anti corrosive protective coating for mulated to inhibit the corrosion of reinforcement as per manufacturers specification][Mode of measurement:The affected surface area of reinforcement shall be considered for payment]Ref: Page No-45, Item No-6 of PWD (B) -2017. 6.00 Supplying, preparing and placement of ready mix non shrink cementious microconcrete having no metalic aggregate or chorides for repairing and jacking of damaged R.C.C member. The microconcrete should achieve a compressive strength not less than 10 Mpa after 24 hours, 40 Mpa after 7 days and 50 Mpa after 28 days at 300C. It should have unrestrained expantion in between 1 to 4%, flexural strength shall not be less than 5 Mpa after 28 days. Micro concrete should have aco-efficent of thermal expansion similar to that of the host concrete.Ref: Page No-13 th corrigenda & Addenda, Dated-26.02.2021 7.00 Nominal Mix – M20 (1:1.5:3) cement concrete with graded stone chips (20 mm size) excluding shuttering and reinforcement if any for road pavement (Pakur/Chandil Chips)Ref : Derived Rate. 8.00 Reinforcement for reinforced concrete work in the all sorts of structures including distribution bars, stirrups, binders etc. including supply of rods, initial straightening and removal of loose rust (if necessary) cutting to requisite length, hooking and bending to correct shape, placing in proper position and binding with 16 gauge black annealed wire at every inter section complete as per drawing and direction. a) for works in foundation, basement and upto roof of ground floor/upto 4 m. (only than TATA/SAIL/RINL)Ref: Derived Rate. 9.00 Hire and labour charges for shuttering with centering and necessary staging upto 4 m using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete slabs, beams and columns, lintels curved or straight including fitting, fixing and striking out after completion of works (upto roof of ground floor)(f) 25 mm to 30 mm shuttering without staging in foundationRef: Page no-42, it no-36 (f) PWD (B) -2017-2018. 10.00 Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints including throating, nosing and drip course, scaffolding/staging where necessary (Ground floor).[Excluding cost of chipping over concrete surface](ii) With 1:4 cement mortar. (b) 15 mm thick plasterRef: Page No -189, item no-1,ii,b of PWD ( B )-2017. 11.00 Labour for Chipping of concrete surface before taking up Plastering work.Ref: Page no-192, it no-1 of PWD (B) -2017-2018. 12.00 40 mm. thick damp proof course with cement concrete (1:1.5:3) (with graded stone chips 20 mm nominal size) with water proofing compound of approved brand @ 0.2% weight of cement including cost of materials over two coats of non toxic acrylic polymer modified cementitious waterproofing slurry coat complete [cost of water proofing compound and non toxic paint to be paid seperately) for underground water retaining structures. Ref: PWD (B) 2017-2018 Pg-47, It-.4 ( 3th Corrigenda) 13.00 Anti Carbonation coating for pratectfon of Concrete Surface from Carbonation by with two coots of Single component solvent free, cold applied, pure acrylic polymer, (Anticarbonotion coating) breothable, elastomeric on a water based prIming coat (Total 3 (three} coats Including priming coats) having 50% elongation property, UV resistant capacity, non-toxic with asthetic view, eco friendly and low VOC (Volatile Organic Compound) materlal. The product complies with the requirement as laid out in as per ASTM D822. Recommended DFT (Dry Film thickness): 100 -110 microns.per coat. Top coat may have with 5% - 10% dilution if required and anti carb primer with 100% dilution with approx. DFT:20 micron. Total system DFT should not be less than 230 micron lor getting better anticarbonation property on concrete surface as per direction of Engineer -In.charge.Ref : 13 th corrigenda & Addenda, Dated. 26.02.2021. 14.00 Applying Exterior grade Acrylic primer of approved quality and brand on plastered or cencrete surface old or new surface to receive decorative textured (matt finish) or smooth finish acrylic exterior emulsion paint including scraping and preparing the surface throughly, complete as per manufacturers specification and as per direction of the EIC.(a) One Coat.Ref : Page No- 196, Item No-8,a of PWD(B) -2017. 15.00 ApplyingAcrylicEmulsionPaint of approved make and brand on walls and ceiling including sand papering in intermediate coats including putty (to be done under specific instruction of Superintending Engineer) : (Two coats) ) Standard Quality.Ref : Page No- 201 Item No-4,ii of PWD(B) -2017. 16.00 Brick work with 1st class bricks in cement mortar (1:6) (a) In superstructure, 1st floor.Ref:Page No-15, Item No-8,b of PWD (B)-2017. 17.00 Supply of UPVC pipes (B Type) & fittings conforming to IS-13592-1992.B124A) (i) Single Socketed 3 Meter Length.Ref : Page No- 68, Item No-23, A of PWD(C)-2017. 18.00 Wood work in door and window frame fitted and fixed in position complete including a protective coat of painting at the contact surface of the frame exluding cost of concrete, Iron Butt Hinges and M.S clamps. (The quantum should be correted upto three decimals).(f) Sishu, Gamar, Champ, Badam, Bhola, Mogra, Hallak. Ref : Page No- 114, Item No-12A, of PWD(B)-2017. 19.00 Panel shutters of door and window, as per design (each panel consisting of single plank without joint), including fitting and fixing the same in position but excluding the cost of hinge and other fittings.(iii) 40 mm thick shutters with 19mm thick panel of size 30 to 45 cm.(c) Other Local Wood. Ref : Page No- 117, Item No-1, ii, c of PWD(B)-2017. 20.00 Priming one coat on timber surface with synthetic oil bound primer of approved quality including smoothening surfaces by sand papering etc.Ref : Page No- 200, Item No-1,b of PWD(B)-2017 21.00 Painting with best quality synthetic enamel paint of approved make and brand including smoothening surface by sand papering etc. including using of approved putty etc. on the surface, if necessary : b) On steel surface :Two coatsRef : Page No- 200, Item No-2 ,b,ii of PWD(B)-2017. 22.00 Supplying bubble free float glass of approved make and brand conforming to IS: 2835-1987.i) 4mm thick clear glass. Ref : Page No- 243, Item No-9,i of PWD(B)-2017. 23.00 M.S.or W.I. Ornamental grill of approved design joints continuously welded with M.S, W.I. Flats and bars of windows, railing etc. Fitted and fixed with necessary screws and lugs in ground floor.(ii) Grill weighing above 16 Kg./sq.mtr and above. Ref : Page No- 104, Item No-13,ii (3rd corri) of PWD(B)-2017. 24.00 Making one set of scaffolding only for replacing glass panels, painting, uprooting plant and another repairing works of building and S&P works for external works only with 10 cm. dia bamboo as main posts at the rate of 1 metre centre to centre and 7.5 cm. dia bamboo ties @ 0.75 metre apart fitting and fixing with necessary coir, nails etc. as per direction of the Engineer-incharge. Ref : Page No- 23, Item No-3 of PWD(B)-2017.28 Nos.
