Retrofitting and External painting works for Thamirabarani, Kurinji and Mullai Tower block G plus 15 stories Phase - 12 in Anupuram Township.

Amount

Providing and fixing double scaffolding system (cup lock type) on the exterior side at all height made using 40mm diameter M.S. tube spaced @ 1.5m center to center at both horizontal and vertical joining with cup and lock system with M.S.tube, M.S.tube challies, M.S clamps and M.S staircase system in the scaffolding for working platform etc., including maintaining it in a serviceable condition for the required duration as approved, removing after completion of repair works, the scaffolding system shall be stiffened with bracings, runners connection with the building, etc., wherever required for essential safety features for the workmen, etc., all complete as directed by Engineer-in-charge. Note: 1) The elevational area of the scaffolding shall be measured for payment purpose. The payment will be made once irrespective of duration of scaffolding. 2) The buildings are of Ground + 15 storeyed structure and the contractor has to observe all safety procedure while working on heights as per I.S. 3696 (Part-I) - 1987. (Safety Code for scaffolding) 3) All working platform must be of minimum 600 mm wide, made of M.S pipe and must have guard rails as per specification. 4) Scaffollding shall be anchored/clamped as per structural/safety instructions. 5) Screen of suitable material shall be provided to the full height of scaffolding and securely tied to protect falling objects coming out during the repair work is in progress. 6) To protect workers on lower platform against falling objects from higher level over head protection should be provided on the scaffolds. 7) Necessary aluminium/ M.S. ladder shall be provided at the cost of the contractor, to the full height of scaffolding at required location around the building to enable Departmental Supervisor/Engineer climb up and closely watch the repair work of the building.

Providing and laying in position of plain cement concrete 1 : 2 : 4 (1 cement : 2 sand : 4 graded stone aggregate 20mm nominal size) using hard granite broken stone for all insitu levelling courses in foundations, floor, roof screeding, encasing pipes, etc., including mechanical mixing, ramming, compaction, levelling, curing, dewatering, if any including the cost of formwork etc., all complete as per specifications.

Filling in depression with cement brick aggregate concrete 1:2:4 using 20mm size broken brick aggregate including compacting, curing etc., all complete as directed by Engineer - in - charge.

Providing, erecting, placing in position and removing Formwork for all insitu concrete works at all lifts and all shapes such as circular works, chamfers, splays, etc., using Steel / Plywood shuttering including centering, scaffolding, strutting, propping with necessary bracing in all areas, fixing of EPs, cutting holes and fixing pipe sleeves, applying of approved form oil over surface in contact with concrete, de-shuttering after specified curing period, etc., all complete as per drawings and specifications. (Note : Measurement for the formwork shall be the area of forms in contact with concrete surfaces. Stop boards for construction joints will not be measured seperately for payment).

Providing and casting insitu Reinforced Cement Concrete of the following grades of design mix by Weigh batching using machine crushed hard broken granite stone of nominal size 20mm including cost of admixtures in recommended proportion wherever required, mechanical mixing, transporting, placing at all lifts, vibrating, consolidation, curing, finishing smooth all exposed faces, for all insitu concrete items, etc., as per drawings and specifications. Note : 1) The rate quoted shall be exclusive of reinforcement and formwork which will be paid for separately under relevant items. 2) The rate of concrete shall include the cost of admixture in recommended proportions as per IS 9103 as per direction of Engineer-in-charge. 3) Cement proportion for Concrete Mix shall be on the basis of weigh batching only as per design mix. 4) The cost towards any upward / downward variation required to obtain the specified strength over the minimum cement content will be paid for or deducted at the rate specified in Schedule 'F'.

M 25 Grade Concrete (The Cement content considered is 350 Kg per Cu.m)

Providing, cutting, bending, placing and binding steel reinforcement using TMT bars of Fe-500 / Fe-500D grade in all reinforced cement concrete works including preparation of bar bending schedules, cutting, bending, fixing, tieing in position with 1.6 mm dia soft drawn annealed binding wire, welding of reinforcement to existing steel reinforcement/ shear connectors, cost of cover blocks in C.M 1:2, etc., complete as per specifications and as directed by Engineer-In-Charge. Important Note: The required quantity of steel reinforcement as mentioned in the schedule should be procured by the contractor only of SAIL, Rashtriya Ispat Nigam Limited (VIZAG), TATA Steel & JINDAL from authorised dealers which shall conform to IS: 1786 (Latest Edition).

Providing and constructing brick masonry at all lifts in cement mortar 1:5 using well cured flyash bricks of class 5 (non-modular) made up of using Flyash + Sand + Lime + additves (Gypsum/Cement) with waterproofing chemicals and accelerators confirming to IS-12894 or latest edition including suitable scaffolding, raking out joints, continuous curing for specified period, etc., all complete as per specifications and drawings.

Providing and laying Indian Patent Stone Flooring with cement concrete 1:2:4; 40mm thick using 10mm and below size hard broken stones including dismantling the damaged portion of existing parapet coping/floor/dadoo, preparation of surface, consolidating, curing, rubbing the surfaces smooth, providing dividing strips, disposing the dismantled debris at suitable places as shown at site within 1Km lead, etc., all complete as per specification and as directed by the Engineer-in-charge.

Plastering with cement mortar 1:3; 20mm thick including supplying and mixing of water proofing compound of approved make at the rate of 2% (Two percent) by weight of cement or as specified by manufacturer including finishing smooth with a floating coat of neat cement, scaffolding, curing, etc., all complete at all lifts as per specification.

Repairs to external plastering with Cement Mortar 1:3, 20mm thick for Over Head Tank at all lifts (G + 15 stories) using Polymer modified cement repair mortar with water proofing compound at the rate specified by manufacturer and finished smooth with a floating coat of neat cement including preparing the surface by hacking the surface for better adhesion, providing glass fibre mesh or chicken reinforcement, if any required, applying bond coat, filling/plastering with polymer modified repair mortar in layers using approved polymers, curing, etc., all complete as detailed below as per manufacturer specifications and as directed by the Engineer-in-Charge. a) Surface Preparation: Preparing the wall surface by chipping of unsound/ weak /loose plaster surface mortar with manual Chisel and/ or by mechanical means at all lifts including cutting/trimming of edges to provide firm vertical faces, making square shoulders of cavities, cleaning the exposed surface to make surface dust free, disposal of debris within 2 Km lead. b) Bond Coat: Applying SBR based bond coat of make MC Bauchemie (Naufufill-SBR) or FOSROC (Nitobond SBR) or FAB Chemical (Mixbond SBR) or Bostik (Boscocem 475) or Ultratech (Xtracrete). Mixing ratio of chemicals, consumption and application shall be as per manufacturer specifications. c) Application of repair mortar: Building up with polymer modified cement repair mortar of ratio 1:3 (1 part of cement : 3 parts of sand) and adding admixtures/ water proofing compound in recommended proportion of make MC Bauchemie (Naufufill-SBR) or FOSROC (Nitobond SBR) or FAB Chemical (Mixbond SBR) or Bostik (Boscocem 475) or Ultratech (Xtracrete). Mixing ratio of chemicals, consumption and application shall be as per manufacturer specifications (minimum 2% by wt. of cement shall be used). 6mm premium glass fibre of make Dugar & Co or Recron shall be mixed with Cement @ 60 gms of glass fibre per 50kgs of cement]

Supplying and fixing in position of Alkali resistance Glass fibre mesh (4-5mm square aperture with 145 gsm) over the joints of RCC and Brick work with cement paste before plastering as directed by Engineer-in-charge.

Chipping the RCC alround the steel reinforcement with average 25mm gap (but not less than 15mm clear air gap) included chipping the concrete with sharp tools, without damaging the reinforcement, cleaning the concrete surface as well as reinforcement to facilitate application of anti corrosive treatment etc., all complete as directed by Engineer - In - Charge.

Bars upto 12 mm diameter

Bars above 12 mm diameter

Chipping of unsound/weak reinforced cement concrete material from slabs, beams, columns etc. with manual Chisel and/ or by standard power driven percussion type of approved make at all lifts including tapering of all edges, making square shoulders of cavities, cleaning the exposed concrete surface and reinforcement with wire brushes, disposal of debris within 2 Km lead, etc., all complete as directed by Engineer-In-Charge

25mm average thickness

50 mm average thickness

Providing anti corrosive treatment to steel reinforcement by removing the rust from corroded reinforcement and applying anti-corrosive chemicals as details below including cleaning of reinforcement from rust to give it a total rust free steel surface by using alkaline chemical rust remover with paint brush, removing loose particles after 24 hours of its application with wire brush, thoroughly washing with water and allowing it to dry, applying anticorrosive coating, etc., all complete as per manufacturer specification and as directed by Engineer-In-Charge. a) Rust removal: - Removing the loose rusted particle thoroughly from the corroded reinforcement by light tapping, wire brushing and using emery paper. Applying rust converter of make Dominator plus or Bostik (Bostokleen) or FAB Chemical (Mixcoat RP). b) Anticorrosive coating: - Application of anticorrosive coating (corrosion inhibitor) of make MC Bauchemie (Zentrifix KMH) or FAB Chemical (Mixcoat ZR) or Bostik (Bostik ZRP) or Ultratech (Bindcrete). Mixing ratio of chemicals, consumption and application shall be as per manufacturer specifications.

Bars upto 12 mm diameter

Bars above 12 mm diameter

Providing and fixing of 10mm dia shear connectors/ steel reinforcement in reinforced or plain cement concrete by drilling 12mm dia holes at 1mtr c/c or as specified with power driven drill machine to a minimum depth of 75mm and upto 200mm in RCC beams, lintels, columns and slabs to introduce steel bars/ shear connectors including drilling holes, fixing the steel bars in position using epoxy resin anchor grout of approved make, etc., all complete as directed by Engineer-In-Charge. (Note: The cost of steel reinforcement will be paid for seperately under relevant item)

Providing and fixing of steel reinforcement anchoring in existing cement concrete structure by drilling required holes at required spacing as specified with power driven drill machine to a minimum depth of 150mm and upto 200mm in RCC beams, lintels, columns and slabs to introduce steel bars including drilling holes, fixing the steel bars in position using epoxy resin anchor grout of approved make, etc., all complete as directed by Engineer-In-Charge. (Note: The cost of steel reinforcement will be paid for seperately under relevant item)

Bars upto 12 mm diameter

Bars above 12 mm diameter

Providing and laying Polymer modified self compacting micro concrete jacket for the structural members e.g. columns, pillars, piers, beams etc at all locations and all lifts using self compacting micro concrete of make Ultratech (Microcrete) or FAB Chemicals (Mixbuild MC) or BASF (MasterEmacoS346) having minimum characteristic compressive strength including preparing the dismantled concrete surface by hacking the surface for better adhesion, treating the exposed steel reinforcement using approved chemicals, providing additional reinforcement, if any required, applying bond coat, providing form work, preparation of micro concrete, filling with self compacting micro concrete in layers, curing, etc., all complete as detailed below as per manufacturer specifications and as directed by the Engineer-in-Charge. Note:- 1) Cost of additional reinforcement, shear keys, form work and anticorrosive treatment will be paid for separately under relevant item. 2) Payment will be made for actual consumption of dry micro concrete.

Providing and laying 1st quality Rectified (Jointless) Ceramic floor tiles (Glazed or Anti-skid) of size 300 x 300 mm or more confirming to IS : 15622 of KAJARIA (Approved concept of Digital Series) or SOMANY (Digital Series - Glasstra) or JOHNSON (Approved concept of Satin & Rustic / Glossy series) or other approved make in all colours, shades in Floors laid over 20 mm thick cement mortar 1 : 4 (1 Cement : 4 Coarse sand) jointing with grey cement slurry @ 3.3 kg per Sq.m or by using Cement based high polymer modified quick set tile adhesive (water based) or other approved tile adhesive including grouting the joints with white cement and matching pigments etc., all complete as per specification.

Providing and fixing in position of white glazed vitreous chinaware European type water closet with 'P' or 'S' trap with or without vent of make "Parryware" or any other approved equivalent make including removing the existing damaged EWC pan and fixing the new EWC pan with necessary plugs, screws and packing the joints with cement mortar 1:1, jointing the pipe & Trap with EWC pan connector of "ASHIRWAD / PRINCE" or approved make, etc., all complete as directed by the Engineer-in-charge.

Supplying and fixing of Anti-microbial solid Seat cover of `PARRYWARE' make or equivalent approved make with ISI mark of white/ colour suitable for European Water Closet of make "PARRYWARE" including fixing clamps etc., all complete as per standard specification and as directed by the Engineer-in-charge.

Providing and inserting 12mm (± 2mm) dia Galvanized steel/ Aluminium injection nipple suitable to withstand high pressure grouting in honey comb area/weak/porous concrete including drilling of holes of required diametre (20mm to 30mm) up to depth from 30mm to 80mm at required spacing, making the hole dust free by blowing compressed air, sealing the sides of injection nipple with adhesive chemical of make MC Bauchemie (MC Fix-ST) or Bostik (Plug leak) or other approved make and allow it to cure, etc., all complete as directed by Engineer-In-Charge.

Providing and injecting PU based injection grout of make MC Bauchemie (MC Inkjet 2700L) or other approved make in proportion as recommended by the manufacturer into cracks/honey-comb area of concrete by suitable two component injection gun/pump at required pressure including mixing of two component, injecting at specified pressure, cutting of nipples after curing, etc., all complete as directed by Engineer-In-Charge. Note:- i) The payment shall be made on the basis of actual weight of approved grout injected. ii) Mixing ratio of chemicals, consumption and application shall be as per manufacturer specifications. iii) The treatment should be done by an agency specialized in the job having sufficient knowledge of grouting in concrete. iv) Cost of providing and fixing of injection nipples will be paid for separately under relevant item.

Replacing the existing IWC pan/Orissa pan by providing and fixing in position of approved make white glazed vitreous china ware ORISSAPAN WATER CLOSET of PARRYWARE or equivalent make with "S" or "P" trap with all jointing materials including removing the damaged IWC/Orissapan, chipping out the floor, concrete, brick wall, brick bat etc., making holes in masonry, fixing the new Orissapan, jointing the pipe and trap with Lip ring of PRINCE or approved make, reconstructing the same, encasing the pan and trap with brick jelly concrete 1:2:4 and back filling extra space with river sand/brick jelly concrete, including disposal of debris within a initial lead, cost of cement required for the work etc., all as per specifications and as directed by the Engineer. Note: 1) Cost of floor finishing will be paid for separately under relevant item. 2) Brick jelly concrete for back filling extra space with broken jelly concrete will be paid for separately under relevant item.

580x440mm size ORISSAPAN

Providing and fixing of drain pipe at sunken area with 25mm OD PVC pipe of upto 300mm length to drain out the water including drilling of holes of required diametre (25mm to 30mm) up to required depth at required spacing, making the hole dust free by blowing compressed air, sealing the sides of pipe with adhesive chemical of make MC Bauchemie (MC Fix-ST) or Bostik (Plug leak) or other approved make and allow it to cure, etc., all complete as directed by Engineer-In-Charge.

Providing and fixing Rain water spout pipe of 40mm OD PVC pipe (10kg/ cm2) at balcony floor level including drilling of holes of required diametre (50-60mm) up to required depth, making the hole dust free by blowing compressed air, sealing the sides of pipe with adhesive chemical of make MC Bauchemie (MC Fix-ST) or Bostik (Plug leak) or other approved make and allow it to cure, finishing the surface with CM 1:3 (1 cement: 3 Fine sand ) etc., all complete as per specification and as directed by the Engineer-in-charge.

Structurel steel repair including strengthening the ladder platform by providing new Steel work welded in built up sections and framed work at all lifts comprising Chequered plates, MS angles, other structural steel sections, etc., of TATA or SAIL or approved equivalent make including cutting, removing the damaged portion, welding, bending to shape, painting exposed faces with two component PU finish paint over epoxy primer coat of approved colour of make Asian paints PPG, embedding with Cement concrete, if necessary, etc., all complete as per specifications and drawings. Note: 1) The rate shall be inclusive of lifting arrangements if any required to hoist and concrete embedments for fixing the steel works. 2) 100 micron DFT of prime coat shall be applied using Two component High solids Epoxy coating of make Asian Paints PPG (Amerlock 400) or other approved equivalent make and 50 micron DFT of top coat shall be finished using Two components Acrylic Polyurethane coating of make Asian Paints PPG (Sigmadur 550) or other approved equivalent make.

Repairs to internal/ external plastering over brick work/ concrete at all locations and all lifts using Polymer modified cement repair mortar including preparing the surface by hacking the surface for better adhesion, providing glass fibre mesh or chicken reinforcement, if any required, applying bond coat, filling/plastering with polymer modified repair mortar in layers using approved polymers, curing, cleaning of floor/windows thoroughly on completion of repair work etc., all complete as per specifications and as directed by the Engineer-in-Charge.

20 mm average thickness - Plain plaster

Repairing and rectifying the minor repair works in CM 1:3 like wall cracks, floor cracks, spalling of mortar on sides of doors, windows, wall and door joints, including the cost of materials, T&P etc., all complete as directed by Engineer-in-charge.

Repairs over the spalling on concrete members by chipping and removing the damaged portion and plastering with CM 1:3 including cleaning the surfaces, applying rust converter of approved quality, filling the damaged portion with cement concrete wherever required, applying necessary approved quality bonding chemicals, finishing the surface in layers, curing, white washing two coats, disposing the debris within 2Kms lead etc., all complete as per specification and as directed by Engineer-in-charge.

Grouting the joints of existing tile flooring by using approved colour epoxy based tile grout of make Kerakoll (Fugalite® Eco) or other approved make including cleaning the tile joint, making the joit area dust free by blowing compressed air, mixing the hardener and mix as specified, filling/ grouting using required tools, finishing, cleaning the residual traces of grout over the tile surface, finishing complete as per manufacturer specification and as directed by Engineer-In-Charge. [Note: Finished tile area will be measured for payment purpose]

Repairs to the wall and ceiling cracks by chipping and removing the damaged portion upto 20 to 30mm deep, 100 to 200mm wide and plastering with CM 1:3 including making grooves over cracks, grouting with cement slurry or approved crack filling compound of make MC Bauchemie (MC Crackfill) or other approved make, providing glass fibre mesh or chicken reinforcement over the area, applying SBR based bonding chemicals, finishing the surface, curing, disposing the debris at suitable places within 2Km lead etc., all complete as per specification and as directed by Engineer-in-charge.

Providing Painting of all type of newly plastered exposed surfaces at all heights over plain plaster with Two Coat of high performance luxury exterior emulsion paint of make Asian (APEX - Ultima Protek) / Berger (Weather coat Long Life 10) or other approved equivalent make of approved shade over a coat of exterior wall primer of make Asian (Smartcare Damp Sheath Exterior primer) / Berger (HS Dampstop Elasto) or other approved equivalent make including preparation of surfaces, curing etc., all complete as per specifications. Note:- 1) The samples should be got approved by the EIC before placing bulk order. 2) The contractor should give warranty for the finishes for a period not less than 10 years as specified in tender conditions from the date of completion of the work. 3) Tripartite Guarantee agreement between Department, Contractor and Manufacturer for 10 years period shall be submitted by the contractor in the approved format as per ANNEXURE-D of Part I Tender document. 4) 50% (Fifty percent) of security deposit will be retained as performance security for the guarantee period and the same will be released after successful completion of the guarantee period i.e., after Ten years to be reckoned from the date after the defect liability period prescribed in the contract. 5) Cost of scaffolding will be paid for separately under relevant item.

Providing Painting of all type of existing exposed surfaces at all heights over rough cast plaster / plain plaster with Two Coat of high performance luxury exterior emulsion paint of make Asian (APEX - Ultima Protek) / Berger (Weather coat Long Life 10) or other approved equivalent make of approved shade over a coat of exterior wall primer of make Asian (Smartcare Damp Sheath Exterior primer) / Berger (HS Dampstop Elasto) or other approved equivalent make including preparation of surfaces, filling the cracks with approved crack filler, cost of all materials, labour, tools and plants, curing, etc., all complete as per manufacturer specifications and as directed by Engineer-In-Charge. Note:- 1) The samples should be got approved by the EIC before placing bulk order. 2) Preparation of surface:- Preparing the surface by cleaning with high pressure water jet/ wire brush to ensure the surface free from dust, oil, grease, loose particles, micro biological growth etc., Small cracks upto 10mm shall be cleaned and filled with approved crack seal. Holes, damp area, unsounded substructure etc., should be repaired properly. 3) The contractor should give warranty for the finishes for a period not less than 10 years as specified in tender conditions from the date of completion of the work. 4) Tripartite Guarantee agreement between Department, Contractor and Manufacturere for 10 years period shall be submitted by the contractor in the approved format. 5) 50% (Fifty percent) of security deposit will be retained as performance security for the guarantee period and the same will be released after successful completion of the guarantee period i.e., after Ten years to be reckoned from the date after the defect liability period prescribed in the contract. 6) Cost of scaffolding and repairing the substructure excluding crack filling will be paid for separately under relevant item.

Painting over Plain Plaster at all lifts.

Painting over Rough cast Plaster at all lifts.

Painting all types of metal surface with Two coat of PU finish paint of make MRF (Metal coat) or other approved make over one coat of epoxy zinc phosphate primer of make MRF (Metal coat) or other approved make and using thinner 1110 Ep for epoxy primer and thinner for finish for metal coat paint including the cost of scrapping, remove the dust, preparation of surfaces, applying primer coat, applying metal paste wherever required, making surface smooth by sanding, applying two coat of PU finish paint, scaffolding etc., all complete at all lifts as per manufacturer instructions and specifications and as directed by Engineer-In-Charge.

Providing and fixing M10 expansion anchor fasteners of make Hilti or other approved make in RCC/ brick masonry at all lifts including drilling hole using hammer drilling or diamond core drilling, cleaning the hole using hand pump for blowing out dust, setting the anchor in position, checking the anchor setting, fixing the steel members with approved thickness of washer and nut, checking the installation, etc., complete all as per manufacturer specifications and as directed by the Engineer-in-charge.

M10 x 153 stud anchor with effective anchorage depth of 80mm of make Hilti [HSA-R-(SS316)] or other approved make for RCC members.

M10 x 83 stud anchor with effective anchorage depth of 20mm of make Hilti [HSA-R-(SS316)] or other approved make for RCC members.

M10 x 140 anchor with effective anchorage depth of 70mm of make Hilti [HRD-CR-(SS A4)] or other approved make for masonry works.

Providing and fixing in position of vertical ladders at all lifts made up of Aluminium profiles of approved length to suit the site requirement and width upto 450mm including fabricating using main aluminium channel of size 66 x 32 x 3.18mm or other approved size, interconnecting the main profiles, providing safety ring/cage if required, rubber bushes, fixing the ladder using suitable fasteners, all aluminium section shall be anodized with matt finish (15 micron thick) of approved shade/colour, etc., all complete as per specification and as directed by Engineer In Charge. Note:- 1) Payment shall be made on the basis of actual weight of the aluminium section/member fabricated without extra allowance for wastage; Also, no extra payment shall be made for non aluminium consumable items like screws, gaskets, rubber bushes etc. 2) The aluminium members shall be bent to shape as required and as directed by Engineer In Charge. 3) The rate quoted shall be inclusive of cost of all aluminium section/members, fixtures, anodizing, fixing, labours etc... required for the work. 4) MS clamp/EP if any required for fixing the ladder will be paid for separately under relevant item.

Numbering the houses by writing letters/ numbers/ symbols with enamel (Marker) paint of approved colour on the face of the wall/ Display Boards using templates and stencil cutting, including base painting, cost of materials, labours, scaffolding, applying wall care putty wherever required to making surface smooth, etc., all complete as per specification and as directed by the Engineer - In - Charge.

700mm size letters of approved font over base area

350mm size letters of approved font over base area

Base paint work

Replacing the following sizes of existing damaged PVC pipes with new PVC pipe of 10 Kg. per sq.cm pressure pipe confirming to IS 4985 of approved make bearing ISI marking including all types of specials, cutting and removing the damaged portion of the existing PVC line, replacing new PVC pipe for flush tank & kitchen waste line with suitable jointing compounds, necessary opening/ chasing of the wall, flooring, etc., without interrupting the regular water supply, cost of necessary GI clamps, screws, teakwood plugs, packing pieces, restoring the same after completing the job to its original condition etc., all complete as per specification and as directed by the Engineer-in-charge.

40mm O/D PVC pipe

Providing and fixing PVC Nahani trap of approved make conforming to the relevant IS code, heavy quality of self cleaning design with 125mm dia. PVC grating with perforated holes on top, including chipping the existing floor concrete, exposing the damaged Nahani trap, removing the damaged trap, fixing new Nahani trap, embedding in cement concrete 1:2:4, forming circular holes by providing and fixing 110mm OD PVC pipes of required height upto floor level, jointing the outlet pipe, leveling and rendering smooth, making good the floor and wall etc., complete as per specifications. Note: 1) Rate shall include cost of PVC pipe and it shall not be paid extra. 2) Cost of floor finishes will be paid for separately under relevant item.

Providing and fixing PVC Multi Floor Trap of FINOLEX/PRINCE or approved equivalent make conforming to the relevant IS code, heavy quality of self cleaning design with 110mm internal dia and outlet 125mm dia. PVC grating with perforated holes on top, including embedding in cement concrete 1:2:4, forming circular holes by providing and fixing 110mm OD PVC pipes of required height upto floor level, levelling and rendering smooth, connecting the outlet and inlets, making good the floor and wall etc., complete as per specifications. (Note: Rate shall be inclusive of cost of PVC pipe and embedding PCC.)

Replacing the existing wornout the following internal dia gun metal full way gate valve of make "Leader" bearing ISI mark confirming to IS:778 for 20 Kg/sq.cm Hydraulic pressure with female ends, screwed bonnet, integral seat, non rising spindle class-I including removing the damaged gate valve, fixing the new valve, returning the retrived wornout gate valve to GSO Civil maintenance stores, etc., all complete as directed by the Engineer.

32mm internal dia Gate valve

40mm internal dia Gate valve

50mm internal dia Gate valve

Providing and fixing the following internal dia. Gun metal full way gate valve of "Leader" or approved equivalent make bearing ISI mark confirming to IS:778 with female ends, screwed bonnet, integral seat, non rising spindle class-I including fixing the valve etc., all complete as directed by the Engineer-in-charge.

80mm internal dia

100mm internal dia

Replacing the existing damaged CPVC pipe with new Chlorinated Polyvinyl Chloride (CPVC) pipes (Class-I) of SDR-11 of approved make conforming to IS 15778 having thermal stability for hot and cold water supply including providing CPVC plain and brass threaded fittings, fixing the pipe with concealed clamps at 1 m spacing, jointing of pipes and fittings with 1 step CPVC solvent cement, cost of making necessary opening / chasing of the wall, flooring, etc., fixing with GI clamps over Teak wood plugs, Teak wood packing pieces and screws wherever required and restoring same to its original condition, including cost of the cement required for the work retrieved wornout fittings to GSO Civil maintenance stores etc., complete all as directed by the Engineer-in-charge.

25mm Nominal dia CPVC Pipe

32mm Nominal dia CPVC Pipe

40mm Nominal dia CPVC Pipe

50mm Nominal dia CPVC Pipe

Replacing the existing damaged Chlorinated Polyvinyl Chloride (CPVC) pipes of Sch-40 (ASTM F441)of approved make conforming to IS 15778 having thermal stability for hot and cold water supply including providing CPVC plain and brass threaded fittings, fixing the pipe with concealed clamps at 1 m spacing, jointing of pipes and fittings with 1 step CPVC solvent cement, cost of making necessary opening / chasing of the wall, flooring, etc., fixing with GI clamps over Teak wood plugs, Teak wood packing pieces and screws wherever required and restoring same to its original condition, including cost of the cement required for the work retrieved wornout fittings to GSO Civil maintenance stores etc., complete all as directed by the Engineer-in-charge.

80mm Nominal dia CPVC Pipe

Rectifying the leakages in water supply pipe line of composite pipes (GI/PE-AL-PE/CPVC pipes) of various sizes by removing the damaged portion of pipe and replacing with new CPVC pipe of length upto 300mm including cost of pipe/coulpler, cutting and jointing, making necessary opening/chasing of the wall, flooring,specials, fixing with GI clamps over Teakwood plugs, teakwood packing pieces and screws whereever required and restoring same to its original condition etc., and restoring same to its original condition, including cost of the cement required for the work etc. complete all as directed.

25mm Nominal dia CPVC Pipe

32mm Nominal dia CPVC Pipe

40mm Nominal dia CPVC Pipe

50mm Nominal dia CPVC Pipe

80mm Nominal dia CPVC Pipe

Replacing the damaged SWR waste line pipe by supplying, laying and fixing of SWR uPVC pipe lines laid, embedded under floor slab and fixed to walls wherever required using for approved make of UPVC stabilised - SWR PVC pipes - Type B (suitable for soil and waste discharge system having wall thickness of minimum 3.2 to maximum 3.8mm) conforming to IS:13592 - latest edition and PVC pasting type specials such as door bends, door tees and cowls etc. heavy quality for soil waste or vent or antisyphonage PVC pipe including removing the damaged CI pipe, chipping/removing the embedded pipe if any, fixing the new PVC pipe with suitable clamps over Teak Wood packing pieces, restoring the same to its original condition, disposal of debris within a initial lead, stacking of retrived CI pipes at GSO stores etc., all complete as per specification and as directed by Engineer.

75mm OD uPVC pipes and specials.

110mm OD uPVC pipes and specials.

160mm OD uPVC pipes and specials.

Attending repairs to plumbing lines such as pipelines, valves, etc., including removing the fittings without interrupting the water supply, servicing the fittings by replacing the wornout washer if any required and refixing etc., all complete as directed by Engineer - In - Charge.

Rectifying the leakages in SWR waste line pipe of uPVC pipes of various sizes by removing the damaged portion of pipe and replacing with new SWR pipe of length upto 500mm including cost of pipe, coupler, Y bend with door and other specials if required cutting, jointing, making necessary, specials, fixing with GI clamps over MS support angles, and screws whereever required and restoring same to its original condition etc., and restoring same to its original condition, including cost of the cement required for the work etc. complete all as directed.

75mm OD uPVC pipes

110mm OD uPVC pipes

160mm OD uPVC pipes

Refixing of existing dislocated SWR uPVC/CPVC pipe from its original position including removing damaged existing GI clamp and providing new GI support clamps, suitable size U shape pipe clamps with necessary bolt nets at one metre intervals etc., all complete as directed by the Engineer-in-charge .

Upto 50mm dia. CPVC/GI pipe

Above 50mm and upto 110mm dia. SWR/CPVC pipe

Above 110mm dia. SWR uPVC pipe

Disposal of surplus excavated earth / Debris by collecting, loading, transporting by mechanical means and unloading them at places as shown by the Department within a lead specified below and levelling, etc., all complete as per specifications and as directed by the Engineer-in-Charge. Note: 1) The rates in respect of this item are applicable for the NET Quantities arrived at after making deductions for voids @ 20% in respect of soil and @ 50% in respect of rock from the corresponding stack / truck measurements. 2) The earth shall be dumped well inside the dumping yard and not over approach pathway road.

Upto 1 Km or part thereof

Dismantling Brick work in cement mortar at all lifts including clearing and depositing the debris within a distance of 100 metres all as directed by Engineer-in-charge.

Dismantling Plain cement concrete/Brick bat coba at all lifts including clearing and depositing the same with a distance of 100 metres as directed by Engineer-in-charge.

Dismantling of Tile work in floors and roofs laid in CM upto 25mm thick including removal of tiles, stacking as directed, disposal of debris within a initial lead of 50m, etc., all complete.

Dismantling steel work in built-up sections at all heights comprising of channels, angles, tees, and flats, etc., from structures such as ladders, platforms, plumbing shafts, and similar components including dismembering, lowering to ground level and stacking to GSO department storage yard, etc., all complete as directed by Engineer-in-Charge.

Dismantling of existing stainless steel pipe upto 100mm dia fixed at +40mtr level for elevation purpose including removal of associated fittings such as flanges, bends, and supports, cutting the sections, carefully lowering of pipe sections to ground level, shifting the dismantled materials to the GSO storage yard, ensuring safety precautions while lowering the sections, etc., all complete as per site conditions and as directed by the Engineer-in-Charge. Note: Scaffolding will be measured under relevant item

Dismantling of existing CPVC/GI/PVC pipe lines of dia above 40mm dia installed at terrace level including removal of all associated fittings, supports, and fixtures as required, segregation of reusable materials, shifting of the dismantled pipes and accessories to the GSO storage yard etc., all complete as per site conditions and as directed by the Engineer-in-Charge.

Mahendra Realtors & Infrastructure Limited (BID ID -3284625)

Bidder Name

E.SEKAR CONTRACTOR

Mahendra Realtors & Infrastructure Limited