TL 123 Retaining Structure

Amount

General Notes: 1) Rates to be quoted by the bidders should be exclusive of GST for all the items but inclusive of all other taxes, duties, CESS, fee, royalty charges etc. levied under any statue for all the items. 2) Only sieved river sand/crushed stone sand confirming to Zone-II from Godavari river or Varaha river or Vamsadhara river or Sarada river or Nagavali river / Crushed stone sand shall be used as fine aggregate and Graded hard broken granite metal of 3 stage (VSI) material shall be used as coarse aggregate in relevant items. Specification for fine and coarse aggregate shall confirm to IS:383 (latest revision) 3) In view of limit on water-cement ratio for durability requirements in design mix concrete, concrete admixtures (Carboxylate based superplasticizers) can be used after taking prior approval of Engineer-in-Charge and the rates quoted for concrete items shall be inclusive of the cost of admixtures, Design mix, trial mixes, testing (at site & at approved labs), etc. complete. 4) The contractor shall set up sufficient number of self loading mobile concrete mixers inside the project area for the production of concrete. 5) Contractor may also be allowed to procure concrete from prior approved RMC plants on prior approval of the BARC subject to maintain required slump at site during pouring.To that extent suitable Mix Design should be carried out with required retention period. No extra payment will be made if concrete is brought from RMC plants outside the project area. 6) Fly ash based Portland Pozzolona Cement (PPC) shall only be used for all cement consuming items.

From 0.00 to 1.50 m depth from Average Ground Level

From 1.50 to 3.00 m depth from Average Ground Level

From 3.00 to 4.50 m depth from Average Ground Level

From 4.50 to 6.00 m depth from Average Ground Level

From 6.00 to 7.50 m depth from Average Ground Level

From 7.50 to 9.00 m depth from Average Ground Level

Filling of areas with readily available stacked gravel/Murrum at BARC, in and around basement floors, in plinths, grade formation and around building etc., including loading, transporting with a lead upto 1000m, unloading, removal of organic matter/roots/plastic/ all kinds of vegetation/small shrubs, etc., breaking of lumps and spreading in layers maximum compacted thickness of 250mm thick with suitable Earth rammers/vibro roller to achieve a minimum of 90% proctor density at optimum moisture content with all lifts, bailing/ pumping out of water to keep the site dry while backfilling, etc. complete all as per drawings and Technical specifications and as directed by the Engineer-in-Charge. Notes: 1. All necessary tests shall be conducted as per QAP and rate quoted shall include all tests. 2. The rates are applicable for the net quantities arrived as per the actual difference in levels jointly taken by the department and the contractor after compaction of the earth as mentioned in the item description. .

Filling with gravel/murrum brought from outside with manual compaction or compaction using light roller/ light earth compactor to achieve 85% proctor density at OMC including loading, unloading manually or using light machinery, spreading in layers manually or using light machinery, consolidation, laying any reinforcement grid/ fabric if any. The cost of soil reinforcement alone will be paid under relevant item if specified.

Supplying, lowering, laying of 300 mm dia RCC Pipes (Class NP2) confirming to IS:458 with necessary collars, laid to correct grade & levels at all depth, including cutting to lengths, jointing with hemp yarn & cement mortar 1:1, caulking the joints, finishing, curing and testing all as per Technical specification and as directed by Engineer-in-charge. Cost including reinforcement steel, materials and labour etc., including hoisting, placing in position by manual or mechanical means and as directed by the Engineer-in-charge including testing of joints etc. complete. (Note: Excavation, bedding shall be measured seperately under relevant item)

Providing and laying 1st class bedding below RCC pipes with crushed stone sand or other granular materials passing through 4.75 mm seive as per IS 383 etc. complete all as per specifications and as directed by Engineer-in-charge. Cost including supply of all materials and labour complete.

Providing and laying of filter media with stone crushed aggregates of size 20mm to 63mm with a thickness not less than 500mm with smaller size towards soil and bigger size towards wall and provided over the entire suface behind abutment, wing wall and return wall to the full height compacted to a firm condition complete all as per specifications and as directed by Engineer-in-charge. Cost including supply of materials and labour.

Providing and installing 40mm thick elastomeric bearing pad as per IRC 83 Part II including fixing securely to the structure with suitable epoxy adhesive, designing and testing complete as per drawings and as directed by Engineer In Charge.

Supplying & laying of bi-axial extruded high modulus polypropylene geogrid confirming to MORTH Specification having minimum tensile strength 20kN/m in the longitudinal and transverse direction, with 7kN/m and 14kN/m tensile strength at 2% and 5% strain respectively in the longitudinal and transverse direction, junction efficiency not less than 95% and with 38mm x 38mm mesh opening including overlapping/ providing mehcnical connections complete as directed by the Engineer-In Charge.

Dewatering by pumping out water collected by during cyclones, unseasonal rains or before start of work. Cost including providing collection pit whereever necessary, including mobilisation of machinery, cost of all materials, labour, fuel charges and all other ancillary operations at all levels etc., complete.

Providing and laying in position cement concrete of 1:3:6 (1 cement, 3 Coarse river sand/ crushed stone sand, 6 graded stone aggregate of maximum size 40 mm) at all elevations including for levelling course, roads, filling in trenches/ sunken slabs of building. Cost includes consolidation, finishing curing etc. complete all as per drawings and technical specifications and as directed by the Engineer-in-Charge but excluding the cost of form work shuttering, centering all as directed by Engineer-in-charge.

Providing and laying in position cement concrete of 1:3:6 (1 cement, 3 Coarse river sand/ crushed stone sand, 6 graded stone aggregate of maximum size 20 mm) at all levels & elevations including for levelling course, roads, filling in trenches/ sunken slabs of building. Cost includes consolidation, finishing curing etc. complete all as per drawings and technical specifications and as directed by the Engineer-in-Charge but excluding the cost of form work shuttering, centering all as directed by Engineer-in-charge.

Providing and laying in position No Fines cement concrete of 1:8 (1 cement, 8 graded stone aggregate of maximum size 20 mm) at all elevations including for levelling course, roads, filling in trenches/ sunken slabs of building. Cost includes levelling, manual compaction, ramming, wire brushing, finishing, curing etc. complete all as per drawings and technical specifications and as directed by the Engineer-in-Charge but excluding the cost of form work shuttering, centering all as directed by Engineer-in-charge.

Providing U3 finish for rendering smooth for slab tops/beam tops/parapet tops/other specified floors etc. with C.M. 1:2 (using Coarse river sand/ crushed stone sand) including a floating coat of neat cement including screeding, floating and applying a steel trowel finish to the surface of the concrete to the required slope and grade, and protecting the surface, subsequent cleaning of the same, repair of abrupt irregularities and gradual irregularities, finishing joints and edges of concrete with edging tools, all as per specifications and as directed by the Engineer-in-charge. Note: This item shall be carried out during placement of concrete for all unformed faces.

Providing and laying design mix reinforced cement concrete of M30 Grade by weigh batching using graded stone aggregate of 20mm max. size and coarse river sand/ crushed stone sand of approved quality including admixtures of approved quality, including handling & transportation, scaffolding, mechanical mixing, placing to required location by hoisting and / or pumping & mechanical vibration, consolidation, finishing, curing, hacking of concrete surfaces wherever required etc. complete at all levels in substructure/superstructure, roads, etc as per specifications & also including dewatering, if any, complete all as per drawings and technical specifications and as directed by the Engineer-in-Charge but excluding formwork, shuttering and steel reinforcement. Notes: 1) The minimum cement content shall be 390kg/Cum of concrete. However, actual cement content required shall be based on design mix requirements carried out at BARC approved (NABL accredited) laboratory. In case the cement quantity consumed more than the specified above, the cost towards extra cement will not be paid.

Sub structure

Super structure

Providing and laying design mix reinforced cement concrete of M30 Grade by weigh batching using graded stone aggregate of 20mm max. size and coarse river sand/ crushed stone sand of approved quality in slab sloping at 1V:2H including admixtures of approved quality, including handling & transportation, scaffolding, mechanical mixing, placing to required location by hoisting and / or pumping & mechanical vibration, consolidation, finishing, curing, hacking of concrete surfaces wherever required etc. complete at all levels in substructure/superstructure, roads, etc as per specifications, complete all as per drawings and technical specifications and as directed by the Engineer-in-Charge but excluding formwork, shuttering and steel reinforcement. Notes: 1) The minimum cement content shall be 390kg/Cum of concrete. However, actual cement content required shall be based on design mix requirements carried out at BARC approved (NABL accredited) laboratory. In case the cement quantity consumed more than the specified above, the cost towards extra cement will not be paid.

Providing and laying in position cement concrete screed of 1:2:4 (1 cement, 2 crushed sand, 4 graded stone aggregate of nominal size 10mm) including consolidation, finishing, curing, preparing rough top surface etc. complete as per specification and drawings but excluding the cost of Formwork shuttering, centering and steel reinforcement at all Levels

General Notes for centering, shuttering & Form work: 1) This item is applicable for all PCC and RCC structural elements like footings, beams, columns, slabs, lintels, chajjas, walls,roads etc., for all heights and leads. 2) Only steel scaffolding, staging, supporting system to the formwork and steel frame work will have to be used for all RCC structural elements. 3) All surfaces adjacent to EPs, etc., shall be in true line and level & irregularities, if any, shall be rounded by mechanical grinding, chiseling, finishing the same using epoxy silica sand mortar at no extra payment. 4) The design and drawings of formwork shall be submitted alongwith calculations for approval before commencement of work. 5) Form finish F3 shall be provided to all exposed surfaces of the concrete. 6) Wall ties passing through the walls will not be allowed.

Providing, centering, shuttering Formwork using steel plates, timber planks for Foundations, plum concrete, levelling course etc at all depths including necessary strutting, proping, staging, supports, bracings etc.and deshuttering the same after the specified time all as per drawings, specifications and as directed by the Engineer-in-charge

Providing, centering ,shuttering Form work using Film faced plywood to get a neat form finish surface for all types of structures including necessary strutting, steel frame work/H-beams, steel proping, staging, supports etc and deshuttering the same after the specified time all as per drawings and technical specifications and as directed by the Engineer-in-Charge

Sub Structure

Super Structure (Clear Height < 5m)

Super Structure (Clear Height > 5m)

Providing centering and shuttering for Slab sloping in 1V:2H (Slab soffit slopes approximately from 11.5m down to 3.5m from ground level) & its connected beams and adjoining elements using good quality densified film-faced Plywood so as to produce neat form finished concrete surfaces for all levels, with steel staging system from suitable firm base including strutting and propping etc. at all levels / heights and removal of the same and including sealing the form joints suitably to avoid fins and abrupt irregularities, etc.complete all as per drawings and specifications and as directed by the Engineer-in-Charge.

Providing and fixing in position 50mm thick DURABOARD HD-100 Joint Filler board in expansion joints to the required size and shape, placing and keeping in position complete all as per drawings, technical specifications and as directed by the Engineer-in-Charge.The payment for higher width of expansion joint shall be made as multiples of respective board thickness.

Providing, supplying and sealing the 50 mm wide expansion joints and grooves around machine foundation with Gungrade Polysulphide sealant 'MASTERFLEX 700i' of BASF or eqivalent product by removing the expansion joint board up to 25 mm deep and cleaning the suface neatly and filling Gungrade sealent up to 25 mm deep to the lines and levels complete all as per drawings and technical specifications and as directed by the Engineer-in-Charge.The payment for higher width of expansion joint shall be made as multiples of respective board thickness.

Providing and fixing machine moulded anodised aluminium sheet covering of approved pattern and design made out of required width machine cut aluminium steel and machine holed for receiving screws over expansion joints on vertical surfaces/ceilings/ floors with full threaded, cadmium plated steel screws 4 mm dia, 30 mm long and aluminium washers 2 mm thick, 15 mm dia at a staggered pitch of 200 mm centre to centre including drilling holes in the receiving surface and providing expandable plastic sleeves in holes etc. complete, made out of colour anodized aluminium sheet of required thickness or as specified (Minimum coating of anodisation shall be of 15 micron thickness) etc., completed all as directed by Engineer - in -charge.

General Notes for Reinforcement steel: 1) 1.2mm dia annealed GI coated binding wire required for the work will have to be supplied by the contractor at their own cost and will not be measured for payment. 2) Fe-500D / Fe-550D bars as per IS to be supplied by the contractor 3) Reinforcement bars from conversion agents / re-rollers of above manufacturers, will not be accepted. 4) No extra payment will be made on account of Rolling Margin & wastage. 5) Contractor shall supply copy of the documentry evidence of purchase of steel, test certificate from these manufacturers and also test from third party to be carried out at no extra cost.

Providing Reinforcement steel of all diameters for reinforced cement concrete at all levels including supplying, preparation of bar bending schedules, cutting, bending, transporting to all elevations, placing and keeping in positions, all leads, fixing, tieing with 1.2 mm dia annealed GI coated binding wire including all labour charges, cost of cover blocks (in same grade of concrete) of various thicknesses and sizes etc. all as per drawings and technical specifications and as directed by the Engineer-in-Charge. Using TMT Bars of Specified Grades of all sizes. TMT bars to be supplied by the contractor of grade - Fe 500D / Fe-550D

Sub Structure

Super Structure

General Notes for Structural steel : 1) Structural steel required for the work shall not be supplied by the Department. 2) Structural steel confirming to IS 2062 shall be supplied from their own plants rolled from virgin materials to be procured directly or from their authorised dealers and test cerificate to be produced. 3) The contractor shall supply documentary evidence of purchase of steel, Test certificate from manufacturers and also third party testing from approved laboratories with out any extra cost. 4) Connections, bolts and nuts shall not be measured for payment but the cost of which shall be deemed to have been included in the item rates (total weight including welding, nuts, bolts etc., of Embedded part/structure element shall be measured for payment). 5) Holes to be drilled only by Drilling machines and gas cutting of holes are not permitted. 6) Rate inclusive of all consumables like gas, welding electrodes and tools and tackles etc. 7) The Liquid Penetrant Inspection shall be carried out in 1% of the total joints and as directed by Engineer-in-Charge without any extra cost. 8) Also Refer Mechanical specifications for the MS items & SS items

Providing Structural steel Up to and including 300 mm Joists, 350 mm channels, and below sections using angles, channels, joists, plates and other sections, welded and / or bolted including in built up sections for columns, beams, trusses, structural steel floors, frame works, monorails and other structures including supplying, cutting, drilling, welding, fabricating, hoisting, fixing in position, applying a priming coat of zinc chromate steel primer etc., complete all as per drawings and Technical specifications and as directed by the Engineer-in-Charge. All test reports to be provided along with the supply of the materials.

Supply, fabrication, and fixing in position the MS embedded parts weighing not more than 100 Kg in RCC/ Masonry/ Form work at all heights. Cost includung transporting, aligning, fixing in position, etc. complete all as per drawings and Technical specifications and as directed by the Engineer-in-Charge. All necessary test reports are to be provided along with the supply of the materials.

Providing, supplying, cutting, welding, fabricating, hoisting and fixing in position structural steel members for trusses, pergolas, gates etc. using MS hollow circular / square / rectangular sections along with the associated connections complete including appling a coat of Zinc chromate primer all as per specifications, drawings and as directed by the Engineer in charge

Providing and fixing J Bolts/ Anchor bolts of required length, embedding in concrete, maintaining position with required templates, providing required nuts, washers all as per drawing and as directed by the Engineer In Charge. The cost of anchor bolt and nut will be paid in this item. Cost of embedded steel template if any will be paid under other relevant item.

Providing and fixing hand rail using Galvanized Iron Steel pipes of ISI Marked of approved size and make and quality by welding etc. to steel ladder railing, balcony railing & staircases railing including applying a priming coat of approved steel primer etc. complete as per specifications

Providing and fixing precoated Galvalume Roofing profile sheets 0.5mm thick + 5% total coated thickness (TCT), zinc coating 120 gsm as per IS:277 in 0.05 mm, 240 mpa mm steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns of approved shape and pitch of corrugation. Sheet should have protective guard film of 25 microns minimum to avoid scratches while transportation and should be supplied in single length upto 12 metre or as desired by Engineer-in-Charge. The sheet shall be fixed using self drilling / self tapping screws of size (5.5 X 55 mm) with EPDM seal complete upto any pitch in horizontal / vertical or curved surfaces including cutting to size and shape, bending wherever required but excluding the cost of purlins, rafters and trusses.

Providing and fixing stainless steel aldrops of size 300X14 mm of approved make with necessary screws, bolting from rear side complete as per specifications and as directed by the Engineer In Charge.

General Notes for flyash bricks: In the fly ash bricks the mix confirming to the strength mentioned in the respective items shall be got approved by the department. The mix shall consist of ordinary portland cement content of not less than 20%(preferably) of the mixture consisting of Fly ash, OPC and Gypsum or any variation in proportion of design mix shall be submitted to BARC for approval. The Anhydraous Gypsum, Fly Ash, Cement, Crusher dust and other materials shall confirm to the relevant IS codes. The Anhydrous Gypsum shall be procured from a reputed source approved by the department. Roller mixer shall be used for good homogeneous mixing. a) Reinforcement will be measured & paid for separately under relevant item. b) RCC band and formwork shall not be measured seperatly, however no deductions will be made in brickwork for the same. c) No holes in brickwall will be allowed for scaffolding. Only double tubular steel scaffolding be allowed.

Providing and constructing 100/150/200/230mm (or as directed) thick masonry at all elevations with approved quality Fly ash/ FAL-G bricks (confirming to IS 12894) having minimum crushing strength 60 Kgs/Sq.cm and water absorption of maximum 20%, in cement mortar 1:4 (1 cement : 4 river sand/ crushed stone sand) uniformly mixed in machine with approved 'non-shrinking compound' as per manufacturer’s instruction in specified courses of approved bond also providing horizonatal RCC band of 100/150/200mm x 100 mm (or as directed) at about 1.00 m c/c with 2 nos. 8 mm dia Tor bars and 6 mm dia links at 300 mm c/c in cement concrete (1:2:4), required formwork, complete including pointing, raking out joints, curing, cleaning, including independent double legged scaffolding, at all heights, depths and leads, dewatering area where required etc., all as per typical drawings, Technical specifications and as directed by the Engineer-in-charge.

Sub structure

Super structure

Providing 15 mm thick Plain Internal Plastering in cement mortar 1:4 (using river sand) finished smooth, including sieving of sand to required fineness, preparation of the surface, double steel tubular scaffolding, curing all as per specifications, drawings and as directed at site etc. complete all as per Technical specifications and as directed by Engineer-in-charge.

Providing 20 mm thick External plastering in two coats under layer 12 mm thick with cement mortar 1:4 (using river sand) finished with a top layer 8 mm thick in cement mortar 1:3 (using river sand) admixtured with Water proofing admixture @ 2% by weight of cement used (in both layers) and as per manufacturer's specifications, sieving of sand to required fineness, double tubular steel scaffolding, finishing, curing etc. complete all as per Technical specifications as directed by Engineer-in-charge. cost including forming drip moulds /vattas wherever necessary and as directed by the Engineer-in-charge

Providing and fixing in position 22 gauge G. I. Chicken wire mesh with 20 mm opening, around door & window frames, junctions of walls with concrete etc. wherever required, before plastering including cutting, nailing with 'U' nails, screwing, minimum overlapping of 150 mm, etc. all complete all as per drawings and specifications and as directed by Enginner-in-charge. (Overlaps will not be measured for payment) Width of chicken wire mesh to be fixed shall be min. 150 mm.

Note for Aluminium works: 1) The rate quoted shall include filling the gap between aluminium frame & adjacent RCC / Brick work / Stone work by providing weather silicon sealant over backer rod of approved quality as per architectural drawings and direction of Engineer-in-charge complete up to 5 mm depth and 5 mm width. 2) Only anodized aluminium sections, aluminum beading, aluminium sheets, aluminium fins, aluminium locks for sliding doors & aluminium handles used will be measured for payment. The rate quoted is deemed to have included the cost of all screws, gasket, weather strips, PVC lining, etc. and no seperate measurement / payment will be made for the same. 3) All aluminium frame and shutters Joints shall be of mitred joints with necessary cleats/ plates . 4) Aluminium Frames to be fixed with walls / columns with minimum 100 mm long Brass screws / Stainless steel screws and necessary hold fasts. For fixing of frames with RCC members, for Aluminium windows/louvers, doors having area of equal to 10 sq.m or above, Carbon steel zinc coated anchor fasteners shall be used. No measurement and payment shall be made for these items.

Providing and fixing Colour anodized (of 20 micron thikness) aluminium work for doors, windows, ventilators, Fins, sliding shutter locks, Alu Louvers and partitions etc. with extruded built up standard tubular sections / Z Sections and other sections confirming to IS 733 and IS 1285 fixed with rawl plugs and stainless steel screws or with fixing clips or with stainless steel expansion hold fastners including necessary filling up of gaps at junctions, at top, bottom and sides with required PVC / neoprene felt etc. Aluminium sections shall be smooth, rust free, straight, mitred and jointed mechanically where ever required including cleat angle, Aluminium snap beading for glazing / panelling, C.P brass / stainless screws all complete as per architectural drawings and as per direction of Engineer-in-charge including providing and fixing hinges / pivots and making provision for fixing of fittings wherever required including the cost of PVC / neoprene gasket required. (Weight of the Aluminium sections shall not be less than Specified in the drawings). The work shall be carried out complete as per approved shop drawing and the relavent portion of specifications and as directed by Engineer-in-charge.

Providing and applying white cement primer to the ceilings, walls and other surfaces to give an even shade over new work (3 coats) including scaffolding, curing etc., complete as per technical specifications and as directed by Engineer-in-charge. Note: All external/internal painting works will have to be done with erecting double tubular steel scaffolding only. All rates quoted in the above painting items shall include erection of double tubular scafolding and provision of safety measures like safety belts, eye protection gears, etc.

Providing, painting, finishing external walls with two coats of Premium Acrylic smooth exterior paint on sand face plaster / plain plaster & concrete surfaes with Silicone additives of required shade (each coat applied @ minimum 1.43 ltr / 10 sqm) over and above a base coat of water proofing cement paint to be applied @ minimum 2.20 kg / 10 sqm including preparation of the surfaces, including erection of double tubular scafolding complete all as per specifications as directed by Engineer-in-charge.

Providing, applying Textured synthetic plaster over plastered / concrete surface to the thickness specified by the manufacturer, to the pattern / design specified in the drawings or by the Engineer-in-charge, and top coat of exterior emulsion two or more coats of approved colour and shade over primer coat, complete all as per specifications as directed by Engineer-in-charge.

Providing and Painting two coats of synthetic enamel paint on steel surfaces to give an even shade over a primer coat including preparation of the surfaces, scaffolding complete. as per specifications and as directed by the Engineer-in-charge

Note: All external/internal painting works will have to be done with erecting double tubular steel scaffolding only. No jhoola/Bhada shall be permitted. Bidders shall quote rates of all painting works including work of erection of double tubular scafolding up to entire height of building and provision of safety measures like safety belts, eye protection gears, etc.

Designing, providing and installing proprietary crystalline waterproofing system complete as per specifications and as directed by Engineer-in-charge. (Cost including all materials and labour.) a) System shall consist of preparation of surfaces including ‘V’ grooves at junctions, cracks and joints, pressure grouting the same and curing. b) Applying approved crystalline waterproofing compound two coats at specified intervals and as recommended by manufacturer and allowed to cure. c) Walls plastering and finished smooth with about 15 mm thick with cement mortar 1:4 (1 cement : 4 screened river sand) using recommended proportion of waterproofing compound. d) Providing required wattas, rounding of corners; junctions with walls and floor finished smooth and cured. e)Filling the water and maintaining it for 72 hrs for slopes gentler than 1V:10H, testing for leakages, and repairing the same. Contractor shall provide 10 year guarantee for waterproofing on approved proforma.

NOTE: Specialized agency to be approved by BARC. PRINCIPAL CONTRACTOR SHALL GIVE GUARANTEE FOR STIPULATED TIME FOR THE WATERPROOFING WORKS DONE AT SITE. All surfaces to be waterproofed should be sound, clean and dry. Concrete surfaces should have a light steel-trowel followed by a fine hair-broom or equivalent finish, which is dry and free of dust, oil and other contaminants. All high spots should be removed. Moss and lichen must be removed physically followed by treatment with fungicidal wash to kill any spores and inhibit further growth. After treatment wash down thoroughly with clean water and allow to dry. Grouting periphery of spout pipes with water insensitive epoxy, pressure grouting of construction joints and honey comb areas with cement grout, proper preparation of the concrete surface by mechanical means/hydro blasting to ensure a good bond between the topping and the substrata, grouting or sealing of joints, making vatta at corners/junctions etc are deemed to be included for all items while quoting rates contractor shall give both material and performance guarantee in the format acceptable by Engineer-in-charge.

Providing, supplying, and fixing 150 mm n/b G.I. pipe Rain water Down Take pipes using Galvanized Iron 'C' class by welding the joints including required bends etc. and fixing in walls / columns with M.S clamps & "C"- Clamps complete all as per drawing, specifications and as directed by Engineer-in-charge at site. Excluding painting the pipes.

Providing and fixing SWR OD 110 mm dia PVC rain water pipes conforming to relevant IS type Band PVC SWR fittings & specials conforming to relevant IS including jointing with sealring/With PVC solvent adhesive including fixing in walls using clamps etc complete all as per drawings, specifications and as directed by the Engineer-in-charge

Supplying, cutting to shape and fixing 63 mm dia PVC SWR Class B Pipes in Dry pitching/RR Masonry/ RCC walls for weep holes, drains, sleeves, cable crossings below roads etc. complete all as per drawings and Technical specifications and as directed by the Engineer-in-Charge

Driling of hole upto 20mm dia for a depth upto 200mm into existing RCC member and providing reinforcement at all levels and grouting gaps with LOCK Set chemical as per drawing and directions of EIC.Note:-Cost of reinforcement will be paid under relevant BOQ item.

Dismantling of RCC works including Cutting and stacking of steel reinforcement bars and disposal of unserviceable materials within 100 m lead as per direction of Engineer-in-charge

Dismantling brickwork in Cement mortar carefully without damaging adjacent structures including stacking of materials and disposal of unserviceable materials within 100m lead as per direction of Engineer-in-charge

SAKTHI ASSOCIATESS (BID ID -3210747)

SEKAR CONSTRUCTIONS (BID ID -3209380)

PJR PROJECT CONSTRUCTIONS PVT LTD (BID ID -3209889)