Tender For Structural Strengthening And Renovation Of Wtp-I Grww.- 1 Removing corroded worn out portion of reinforcement (when the area of baris damaged by more than 25%) by cutting and replacing the same by a newplain round bar of requisite diameter by binding with required lap / weldingwith old bar, including cost of reinforcement, complete in all respectincluding removing unserviceable materials from site as per direction of theEngineer - in - charge. Note : Payment on weight (Kg.) of newreinforcement. 2 BUILDING WORKS ( C ) Brickworks,Concrete Works etc?36...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).(When the height of a particular floor is more than 4 m the equivalent floor height shall be taken as 4 m and extra for works beyond the initial 4 m ht. shall be allowed under 12 (e) for every 4 m or part thereof).(a) 25 mm to 30 mm thick wooden shuttering as per decision & direction of Engineer-In-Charge.Notes:- For shuttering in shell roof, grid roof with vertical faces folded plate, arched roof the rate in 36 (a), 36 (b) & 37 (c ) of subhead B above to be increased by100 % . For grid roof with splayed faces, rate is to be increased by 150 % 3 BUILDING WORKS ( C ) Brickworks,Concrete Works etc?33..Ordinary Cement concrete (mix 1:2:4) with graded stone chips (6mm nominal size) excluding shuttering and reinforcement,if any, in gound floor as perrelevant IS codes. Pakur variety? 4 BUILDING WORKS (E) ROOFING, SHEET WALLING &WATERPROOF TREATMENT . C. REPAIR & REHABILITATIONFOR WATERPROOFING 1. Taking out old damaged tarfelt from the roof, parapet etc. preparing the roof surfaces by removing all spoils, blisters,moss etc. from the working site and disposal of the same beyond the compound and cleaning the site in all respect as per direction of Engineer-in-Charge. All floor 5 SECTION 1BUILDING WORKS (I) PLASTERING,POINTING ETC.B. MISCELLANEOUS ITEMS 1 Labour for Chipping of concrete surface before taking up Plastering work. 6 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. 7 Applying 2coats of Non-Toxic Acrylic Polymer modified Paint having adhesive & waterproofing properties by mixing in proportion (1 liquid: 4 cementitious material) or as per manufacturers specification for water proofing layer in water tank etc. (No Departmental Cement is required) 8 SECTION 1. ------------BUILDING WORKS (I) PLASTERING, POINTING ETC. A. ORIGINAL WORKS 1.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] i) With 1:6 cement mortar (b) 20 mm thick plaster(3rd Corrigenda & addenda dated 04.06.2018) 9 Extra rate for using waterproofing and plasticising admixture@0.2% by weight of cement(or at manufacturers specified rate) for concrete of various grades. 10 Epoxy Bonding of new concrete to old concrete 11 Patching of damaged concrete surface with polymer concrete (25 mm nominal thick) and curing compounds, initiator and promoter, available inpresent formulations, to be applied as per instructionsof manufacturer and as approved by the Engineer - 12 Providing and inserting nipples with approved fixing compound after drilling holes for grouting as per Technical specifications including subsequentcutting/removal and sealing of the hole as necessary of nipples after completion of grouting withCement/Epoxy - 13 Sealing of cracks / porous concrete by injection process through nipples/Grouting complete as perTechnical specification.- Cement grouting - 14 Sealing of cracks / porous concrete by injection process through nipples/Grouting complete as perTechnical specification.Cement mortar (1:1) Grouting - 15 BUILDING WORKS (E) ROOFING, SHEET WALLING &WATERPROOF TREATMENT . C. REPAIR & REHABILITATIONFOR WATERPROOFING 2. Preparation of drainage spout on roof for bituminous waterproofing treatment after required grading and shaping of the under bed with Cement Concrete (1:2:4) or Cement Mortar (1:4) as directed, Chamfering and moulding the parapet wall to form a bell mouth entry, if required and providing full course treatment with bituminous felt to facilitate quick and smooth drainage of watwr into the down pipes complete including cost of all materials and labour according to satisfaction of the Engineer - in - Charge. (This item shall be done for reparing works only and shall not be used when original/renewal of tarfelting work is proposed to be undertaken) All floor 16 BUILDING WORKS (E) ROOFING, SHEET WALLING &WATERPROOF TREATMENT . D. REPAIR & REHABILITATION 1.Renewing rounding only (100 mm. radius) at the junction of roof and parapet etc. with beaten lime concrete (2:2:7) with slaked lime (2 lime putty / paste : 2 surki : 7 brick khoa ) 17 BUILDING WORKS (E) ROOFING, SHEET WALLING &WATERPROOF TREATMENT . C. REPAIR & REHABILITATIONFOR WATERPROOFING 3. Application of priming coat for standard bituminous waterproofing treatment over flat roof with Bitumen primer of approved brand fufilling the provision of I.S. 1346 - 1991 & 3384 - 1986 applied @ 0.27 Liters /Sq.m. over clean and prepared roof surface complete as per satisfaction of the Engineer - in - Charge. All Floor - (This item shall not be applied over C.I. or Asbestos roof) 18 BUILDING WORKS (E) ROOFING, SHEET WALLING &WATERPROOF TREATMENT . B. WATERPROOF TREATMENT4. Supplying & laying 3mm thick pre-fabricated plastomeric water proofing membrane conforming to EN 12311-1 & ASTMD 5147, manufactured with atactic poly propylene (APP) modified premium grade asphalt , specially reinforced with non-woven polyester core with polyester reinforcement @160 gms per sqm & both faces covered with thermo-fusible polyethylene film /MineraL on top face over a coat of primer @ 0.40 lit/sqm of manufacturers specification onsmooth,clean dry surface prepared wherever required.Lap joint shall be provided of 75 mm in longitudinal & 100 mm in transverse direction and fused using LPG/ Propane torch employing extra care ensuring full bondage, complete removal of entrapped air and sealing edges into grooves in appropriate manner as per direction of Engineer -in-charge all complete including materials,labour and applicable taxes. (Payment shall be made on the basis of finished surface area.). Membrane Property: Softening Point > 150 deg C, Cold Flexibility < -6 deg C, Tensile Strength, N/cm : 600 (longitudinal), 450 (transverse), Tearing Strength, N: 300 (longitudinal), 200 (transverse) 19 SECTION 1BUILDING WORKS (J)WHITE WASH,COLOUR WASH, DISTEMPER B. MISCELLANEOUS ITEMS 4Removing old scales, blisters etc. of interior surface of walls,ceiling by scraping etc. and preparing smooth and even surface with rendering or cement mortar (1:2) (as necessary), to make the surface suitable for receiving distemper. (Payment against this item will be made only when this has been done on the specific direction of theEngineer-in-charge). 20 SECTION 1BUILDING WORKS (J)WHITE WASH,COLOUR WASH, DISTEMPER A. ORIGINAL WORKS 8 ApplyingExterior 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. In Ground Floor:(a) One Coat [This item to be done under specific instruction of the Superintending Engineer]N.B.:-Extra for each additional floor in external walls refer item 1 of subhead C 21 Rendering the Surface of walls and ceiling with White Cement base WATER PROOF wall putty of approved make & brand.(1.5 mm thick) 22 SECTION 1BUILDING WORKS (J)WHITE WASH,COLOUR WASH, DISTEMPER A. ORIGINAL WORKS 7 ApplyingInterior grade Acrylic Primer of approved quality and brand on plastered or cencrete surface old or new surface to receive Distemper/ Acrylic emulsion paint including scraping and preparing the surface throughly, complete as per manufacturers specification and as per direction of the EIC. (In Ground Floor) (a) One Coat ii) Solvent based interior grade Acrylic Primer.[This item to be done under specific instruction of the Superintending Engineer] 23 SECTION 1BUILDING WORKS (J)WHITE WASH,COLOUR WASH, DISTEMPER A. ORIGINAL WORKS 17 Protectiveand Decorative Acrylic exterior emulsion paint of approved quality, as per manufacturers specification and as per direction ofEngineer-in-Charge to be applied over acrylic primer as required. The rate includes cost of material, labour, scaffolding and all incidental charges but excluding the cost of primer. In Ground floor (Two Coat)a) Normal Acrylic Emulsion N.B. The items [17 (b) & 17(c)] of subhead A are to be selected only with written permission of Superintending Engineer for very resticted and small areas of a building. 24 CHAPTER - VII MISCELLANEOUS ITEMS Coating of Epoxy Resin of thickness not less than 160 micron with a lowviscosity,crystallization-resistant epoxy resin base with a reactive diluents combined with high build epoxy amine adducts as per BS 5493 standard and a polyamide or amido polyamine or any other suitable hardener. It shall react with epoxy resin at normal ambient temperature, suitable for solvent-free coatings as per recommended proportion for use on metal,concrete and wood surface to protect from corrosion as well as damagefrom chemical reaction after making the surface free from dust, oil and moisture etc. all complete as per instruction and to the satisfaction of ElC. [This item will be operatedon prior permission from the concerned SE/Dy Chief Engineer] 25 BUILDING WORKS (K) PAINTING, VERNISHING ETC?(A)ORIGINAL WORKS.(3)(B)Painting with superior quality aluminium paint of approved make and brand including smoothening surface by sand papering etc. on steel surface : (b) Two coats 26 BUILDING WORKS (K) PAINTING, VERNISHING ETC?(A)ORIGINAL WORKS.(4)Applying Acrylic Emulsion Paint 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)ii) Luxury Quality 27 BUILDING WORKS (D) Flooring A. ORIGINAL WORKS 35.Supplying, fitting & fixing 1st quality Ceramic tiles in walls and floors to match with the existing work & 4 nos. of key stones (10mm) fixed with araldite at the back of each tile & finishing the joints with white cement mixed with colouring oxide if required to match the colour of tiles includingroughening of concrete surface, if necessary or by synthetic adhesive & grout materials etc. (A) Floor With Sand Cement Mortar (1:4) 20 mm thick & 2 mm thick cement slurry at back side of tiles using cement @ 2.91 Kg/Sq.m & joint filling using white cement slurry @0.20kg/Sq.m. (a) Area of each tile upto 0.09 Sq.m (i) Coloured decorative Note: 2. Add extra for each addl, floor over the rate for item 35 & 36 of subhead A.(i) upto 4 th floor-Rs 5/ Sq.m (i) above 4 th floor-Rs 6.25/ Sq.m (3rd Corrigenda & addenda dated 04.06.2018) 28 BUILDING WORKS. (U) - Additional Items : 2)Supplying and laying true to line and level High Grip, Scratch resistant, Neutral to UV rays, Full Body Vitrified Tiles conforming to IS:15622-2006 & IS 4457-2007 and tested in accordance with IS:13630 [Non- modular sizes for tiles with Skid resistance: 0.6, Mohrs hardness > 7.0, Staining resistance: Class- 1, Water Absorption E < 0.5%] & MOR > 35N/sq.mm and Breaking strength > 1500 N for Outdoor area of building e. g.Gang-way, Corridor, Driveway, Parking lots, Courtyards, Slopingramps, Entrance lobbies, Patios, Portico etc. set over necessary underlay and 2 mm thick cement slurry at back side of tiles using cement @ 2.91 Kg./Sqm, joints grouted with admixture of white cement and colouring pigment to match with colour of tiles and removal of wax coating of top surface of tiles with warm water and cleaning the tiles using soft and dry cloth complete including the cost of materials, labour and all other incidental charges complete including backside slurry but excluding the cost of underlay and true to the manufacturers specification and direction of Engineer-in- Charge. In Ground Floor: Sizes-300 mm x 300 mm x10 mm 29 BUILDING WORKS (D) Flooring B. REPAIR AND REHABILITATION6. Washing and cleaning with oxalic acid powder using 33 gms./sq.m. (b) Floor/ dado other than marble 30 Sub Total 31 GST 18% 32 CESS 1%
