Webel EOT W 25 26 000097 Re Tender 2nd Call

(A). Pump room

Dismantling carefully RCC work of any thickness including chase cutting/cleaning reinforcements as directed including stacking of serviceable materials if any, at site as per direction and deposingof unserviceable materials from work site including mending good the surface to match with adjacent surface complete with all labour and materials in all floors.

Reinforcement for reinforced concrete work in all sorts of structures including distribution bars, stirrups, binders etc 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 intersection, complete as per drawing and direction. Tor steel (SAIL/TATA/RINL)

M.S. structural works with hollow sections ( square or rectangular shape) conforming to IS: 806-1957 & IS:1161-1958) connected to one another with bracket, gusset, cleat as per design, drawing & direction of Engineerin- Charge complete including cutting to requisite shape & size, fabrication including metal arc welding conforming to IS: 816- 1956 & IS: 9595 using electrodes of approved make and brand conforming to IS:814- 1957, haulage, hoisting and erection all complete. The rate includes the cost of all M.S. Hollow section, all consumables such as electrodes, gas and hire charges of all tools and plants and labour reqired for execution and all incidental chages (such as electricity, labour insurance) etc. complete. For other Structural works like galleries etc.

The rate should include painting all steel surfaces with two coats of approved synthetic enamel paints over a coat of primer.(SAIL/TATA/RINL)

Painting with 1st quality synthetic enamel paint two or more coats to achieve proper even shade of approved shade and quality synthetic enamel paint over and inclusing a coat of approved primer to steel /wooden /other surface after preparation of surface properly with all labour & materials in all floors. As direction of EIC

Supplying and application of chemical for post Installed rebar connection by using ETA approved for seismic criteria In rebar connection, Including drilling hole to the required depth by rotary hammer drill, cleonlng with brush & jet of clean air, /filling chemical(HIT-RE 500 or equivalant) using serrated nozzle to eliminate mIxIng error and in a voldless manner IncludIng charges for all tools & plants. Application to be designed for post· Installed rebars as per ECZ / TR023 or relevant tested and accepted design guidelines and the design document to be furnished by the manufacturer. The chemical should have ETA apprOVal for seIsmIc criteria of rebar fixing whIch should be furnished by manufacturer. The installation and the setting instructions should be strIctly followed as per manufacturer's specl/icatlons as approved by EICprior to drlll/ng along with post· Installed rebar embedment design report. The existing concrete member should be scanned using rebar scanner to avoid hitting existing reinforcement in concrete during drilling. complete in all respect & all floor, Roof & above.

(B). Fire water reserve at roof

Dismantling carefully RCC work of any thickness including chase cutting/cleaning reinforcements as directed including stacking of serviceable materials if any, at site as per direction and deposingof unserviceable materials from work site including mending good the surface to match with adjacent surface complete with all labour and materials in all floors.

Brick work with 1st class bricks in cement mortar (1:4). In foundation and plinth ). In foundation and plinth.

Ordinary Cement concrete (mix 1:1.5:3) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement,if any, in ground floor in columns, beams and floor slabs, drain walls as per relevant IS codes complete with all materials, labour, tools and tackles and as directed by EIC. Pakur Variety

Reinforcement for reinforced concrete work in all sorts of structures (beams, columns, slabs, foundations etc. except paving concrete) including distribution bars, stirrups, binders etc 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 intersection, complete as per drawing and direction. For works in foundation, basement and upto roof of ground floor/upto 4 m Tor steel SAIL/ TATA/RINL

Neat cement punning about 1.5mm thick in wall,dado,window sill,floor etc.

M.S. structural works in columns, beams etc. with simple rolled structural members (e.g. joists, angle, channel sections conforming to IS: 226, IS: 808 & SP (6)- 1964 connected to one another with bracket, gussets, cleats as per design, direction of Engineer-in charge complete including cutting to requisite shape and length, fabrication with necessary bolting, metal arc welding conforming to IS: 816- 1969 & IS: 1995 using electrodes of approved make and brand conforming to IS:814- 2004, haulage, hoisting and erection all complete. The rate includes the cost of rolled steel section, consumables such as electrodes, gas and hire charge of all tools and plants and labour required for the work including all incidental chages such as electricity charges, labour insurance charges etc. Payment to be made on the basis of calculated weight of structural members only in finished work as per IS specified weight. Payment for gusset, bracket, cleat, rivets, bolts and nuts may be make by adding the actual weight of such items with the weight of finished structural members or 7% of weight for finished structural members weighing not less than 22.5 Kg. / m. or 15 % of weight for finished structal members weighing less than 22.5 Kg. / m. may be increased allow for bracket, cleat, rivet, bolts and nuts etc. and no seperate payment being made for these items, as per direction of Engineer In Charge. The rates are considered for a height of erection 8m. / 2nd floor level from the ground. Add 1.5% extra over the rate for each additional floor or 4m. beyond initiial 8m. or part thereof. For structural members of specified sections weighing less than 22.5 Kg./m

(C) Additional gate construction and Ancillary

Brick work with 1st class bricks in cement mortar (1:4). In foundation and plinth ). In foundation and plinth.

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) 25 mm to 30 mm thick wooden shuttering as per decision & direction of Engineer-In-Charge.

Carefully removing,staking the paver block & refixing the same with preparation of bed as necessary with joints properly filled in and packed with local sand

Painting with 1st quality synthetic enamel paint two or more coats to achieve proper even shade of approved shade and quality synthetic enamel paint over and inclusing a coat of approved primer to steel /wooden /other surface after preparation of surface properly with all labour & materials in all floors. As direction of EIC

MS swinging and foldable gate as per approved design made of strong M.S. frame work, intermediate stiffeners and square bars, including necessary riveting, bolting, welding, locking and hanging and hinge arrangements, fixing in concrete gate columns including making hole in column fixing the gate assembly in position maintaining line and levels, jamming with concrete etc fitting and fixing complete with all component and consumable materials such as welding electrodes, gas cutter, labour and tools and tackles etc and as per direction of the Engineer-in -charge. The rate should include painting all steel surfaces with two coats of approved synthetic enamel paints over a coat of primer.(SAIL/TATA/RINL)

Removal of rubbish,earth etc. from the working site and disposal of the same beyond the compound, in conformity with the Municipal / Corporation Rules for such disposal, loading into truck and cleaning the site in all respect as per direction of Engineer in charge

Surface Dressing of the ground in any kind of soil including removing vegetation inequalities not exceeding 15 cm depth and disposal of the rubbish within a lead upto 75 m as directed

Supplying and laying true to line and level vitrified tiles of approved brand (size not less than 600 mm X 600 mm X 10 mm thick) in floor, skirting etc. set in 20 mm sand cement mortar (1:4) and 2 mm thick cement slurry back side of tiles using cement @ 2.91Kg./sqM or using polymerised adhesive (6 mm thick layer applied directly over finished artificial stone floor/Mosaic etc without any backing course) laid after application slurry using 1.75 Kg of cement per sqM below mortar only, joints grouted with admixture of white cement mortar only, joints grouted with admixture of white cement and colouring pigment to match with colour of tiles / epoxy groutmaterialsofapprovedmakeasdirectedand removalof wax coating of top surface of tiles with warm water and polishing the tiles using soft and dry cloth upto mirror finish completeincludingthecostofmaterials,labourand allother incidental charges complete true to the manufacturer's specification and direction of Engineer-in-Charge.(White cement, synthetic adhesive and grout material to be supplied by the contractor). With application slurry @1.75 kg/ Sq.m, 20 mm sand cement mortar (1:4) & 2 mm thick cement slurry at back side of tiles, 0.2 kg/ Sq.m white cement for joint filling with pigment. Light Colour as approved by EIC.

Supplying maruti lock (100mm)

Supplying EPDM gusket of approved make and brand as per direction of Engineer in charge. For sliding windows, 'U' shaped EPDM gasket for frames.

Supplying bubble free float glass of approved make and brand conforming to IS: 2835-1987, 5mm thick clear glass.

Top and side frame.

Interlock member.

Applying decorative cement based paint of approved quality after preparing the surface including scraping the same thoroughly (plastered or concrete surface) as per manufacturer's specification. In Ground floor (three coats)

(D). REPAIIR & RETROFITTING WORKS :- All repair & retorfitting works to be executed by the authorized applicator of the original manufacturer(FOSROC/SIKA/Dr Fixit) and specific approval to be obtained from Webel before starting of the work alongwith detailed methodology of work

Dismantling/Removal of old/existing plaster or skirting, raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 50 metres lead.

Chipping

26.28.3 25mm average thickness

Cleaning the exposed reinforcement preferably upto full diameter by wire brush, applying two coats of polymer based rust removing compound left for 24 hours, removing the coating and then applying two (2) coats of polymer modified anti corrosive protective coating formulated to inhibit the corrosion of reinforcement as per manufacturer's specification] [Mode of measurement:The affected surface area of reinforcement shall be considered for payment]

Additional Reinforcement

Providing and Fixing of new reinforcement of various diameter as required at site and lapping, welding,suitably to old reinforcment - Tor Steel/Mild Steel(SAIL/TATA/RINL)

Applying 2 coats of Non-Toxic Acrylic Polymer modified Paint having adhesive & waterproofing properties by mixing in proportion (1 liquid: 4 cementitious material) or as per manufacturer's specification for water proofing layer in water tank etc.

Reinstate of new concrete

Polymer concrete made with water resistant bonding agent of synthetic rubber emulsion as per manufacturer's specification excluding the cost of cement concrete (2.75 Kg / bag of cement) Note : Payment on volume of (1 : 1½ : 3) Concrete.

Providing and laying of ploymer modified single component , alkaline resistant fibre reinforced, thixotropic, cementitious patch repair mortar that achieves compressive strength> 20Mpa at 1 day & > 45Mpa at 28 days , tensile strength > 7 Mpa at 28 days. Finishing the same carefully with trowel compacting the same around rebars and finishing to bring it in line with existing concrete surface on the beams, slabs, piles etc where the thickness of application is average 30mm in patches as per specification after applying bonding coat. Item rate is inclusive of materials all labour, tools and tackles, scaffolding and transportation etc complete as directed by Engg-in-charge.

Crack Repair

Repairing crack in wall by cement grouting (1 : 2) including widening the crack on the surface (into V section) cleaning and packing the same with cement mortar (1 : 2) and finishing off to match with adjacent surface. (Cement-69 Kg/100 m)

Providing and applying crystalline mortar by mixing in the ratio of 4.5 : 1 (4.5 parts crystalline mortar : 1 part water) for the treatment of faulty construction joints, cracks, tie rod holes and spalled & honeycombed surface of RCC underground structures like basement, water tanks, bridge deck etc. to ensure water tightness. The crystallie mortar shall conform to the EN 1504-3 having compressive strength Class R4 > 45 MPa and adhesive bond strength Class R3 > 1.5 MPa. The work shall be carried out all complete as per specification and the direction of the Engineer-In-Charge. The product performance shall carry guarantee for 10 years against any leakage.

For sealing cracks and faulty construction joints, routed out/making U-shape groove size 25x25mm and then primed the area with integral crystalline slurry @0.05kg/ running metre and while the surface is tacky filled the groove upto surface with crystalline mortar @1.50kg/running metre. Once crystalline mortar is touch dry thenfinally applied two coats of integral crystalline slurry @0.05kg/running metre per coat.

Injection Grouting

Providing and inserting 12mm dia galvanised steel injection nipple in honey comb area and along crack line including drilling of holes of required diametre (20mm to 30mm) up to depth from 30mm to 150mm at required spacing and making the hole & crack dust free by blowing compressed air, sealing the distance between injection nipple with adhesive chemical of approved make and allow it to cure complete as per direction of Engineer-In-Charge.

Providing and injecting approved grout in proportion recommended by the manufacturer into cracks/honey-comb area of concrete/ masonry by suitable gun/pump at required pressure including cutting of nipples after curing etc. complete as per directions of Engineer-in- Charge. (The payment shall be made on the basis of actual weight of approved grout injected.)

Stirrer mixed Acrylic Polymer of approved make @ 2% of weight of cement used) modified Cement slurry made with non shrink compound in concrete/RCC work

Protective Plaster

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.

With 1: 6 Cement Mortar

20mm thick plaster

15mm thick plaster

With 1: 4 Cement Mortar

10mm thick plaster

Extra rate for using integral water proofing compound @ 0.5-2% by weight of cement (or at manufacturer's specified rate) for plaster/concrete.

D. ii) REPAIR OF BRICK SURFACES

Plaster Removal

Plaster Removal & Surface preparation

Raking of Brick Joints & Bond coat

Cutting the brick joints by suitable means , cleaning, application of one bond coat of single component acrylic polymer emulsionas per manufacturere's recommendation & raking the joints with cement sand mortar admixed with single component acrylic polymer emulsion @5-10%by weight of cement

Waterproof courses

Stirrer mixed Acrylic Polymer of approved make @ 2% of weight of cement used) modified Cement slurry made with non shrink compound in concrete/RCC work

Protective Plaster

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.

With 1: 6 Cement Mortar

20mm thick plaster

15mm thick plaster

With 1: 4 Cement Mortar

10mm thick plaster

Application of two coats of two component acrylic polymer modified cementitious coating as per manufacturer's recommendation by brush in perpendicular direction maintaining an interval of 4-6 hours between the coats.Sprinkle dry coarse sand on the above second coat applied surfaces till the coating is in tacky condition to provide techanical key to the protective plaster.

Protective Coating on external Surfaces :-

Providing and applying Elastomeric & Decorative acrylic waterproofing coating of FOSROC, Nitocote Wallguard Specific Gravity: 1.29; longation(110 micron DFT) : >100%;Breathability : 22 gm/m2/day; Tensile strength @250micron : >2.0N/mm2; Crack bridging ability : Passes > 0.5mm width; Adhesion strength:1.3N/mm2; Coating thickness, DFT in two coats : 110 micron

Scaffolding & coverings