Structural steel works of TL 123 and other miscellaneous works

Amount

General Notes: 1) The Tentative/Suggested makes have been specified in the tender document based on requirements of BARC, desired performance, detailed study of the technical parameters, manufacturing process, quality assurance/control & testing. The list is merely for guidance purpose. However, the bidder(s) can prefer any other make(s) which is/are meeting technical specifications given under Section-V, this schedule of Quantities (Schedule 'B') and shall conform to the technical Parameters/performance of the tentative/suggested makes and / or shall conform to the relevant BIS codes or other relevant codes. In case of non-approved makes(s), the bidders(s) shall suggest such equivalent/alternate make/brand, meeting above -mentioned technical parameters, during pre-bid stage and before submission of bid(s) 2) 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.

3) 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) 4) 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. 5) The contractor shall set up sufficient number of self loading mobile concrete mixers inside the project area for the production of concrete. 6) 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. 7) Fly ash based Portland Pozzolona Cement (PPC) shall only be used for all cement consuming items.

PCC and RCC Works Notes: 1) Rates quoted for PCC & RCC items shall include cost of sieved river sand/ crushed stone sand as fine aggregate and graded hard broken granite metal of 3 stage (VSI) material as a coarse aggregate. 2) The mix shall be desiged to maintain the desired slump (as required at site/specified in IS code). In view of limit on water-cement ratio for durability requirements in design mix concrete, admixtures can be used after taking prior approval of Engineer-in-Charge and the rates quoted for the items shall be inclusive of the cost of admixtures, trial mixes, testing (at site & at approved labs), etc. complete. 3) The contractor shall set up fully automatic batching plant/sufficient number of Self loading mobile concrete mixers inside the project area for the manufacture of concrete. 4) 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.

5) The rate of concrete shall include all labour, equipment, charges for mixing & cost of admixtures. 6) Test certificate of cement, procured from dealer/company has to be submitted for all concrete works by the contractor. 7) Rate quoted for RCC items shall include cost of relevant design mix and testings. 8) This item is applicable for all PCC and RCC structural elements like footings, beams, columns, slabs, lintels, chajjas, walls etc., for all heights and leads. 9) Only steel scaffolding, staging, supporting system to the formwork and steel frame work will have to be used for all RCC structural elements. 10) 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. 11) Form finish F3 shall be provided to all exposed surfaces of the concrete.

Providing and laying in position Reinforced Cement Concrete of grade M-30 using 10 mm maximum size aggregates and crushed sand of approved quality including admixtures of approved quality (plasticiser or super plasticiser) if required, including weigh batching, mechanical mixing, transporting, placing, vibrating, consolidation, finishing, curing etc. complete at all heights but excluding the cost of centering, shuttering and reinforcement as per specifications and as directed by the Engineer In Charge.

STRUCTURAL STEEL WORKS Notes: 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 approved manufacturers and also third party testing from approved laboratories with out any extra cost. 4) Welding weights, connections, bolts and nuts shall not be measured for payment but the cost of which shall be deemed to have been included in the rates. 5) Welding Electrodes of specified suitable grade only shall be used. 6) Holes to be drilled only by Drilling machines and gas cutting of holes are not permitted.

Providing Structural steel work using angles, channels, joists, flats, steel bars and other sections, welded and / or bolted in built up sections for trusses , structural steel floors, frame works, monorails, gratings, ladders and other structures including supplying, cutting, welding, fabricating, hoisting, fixing in position, applying a priming coat of approved steel primer etc. complete all as per specifications, drawings and as directed by the Engineer in charge.

Up to and including 300 mm Joists, 350 mm channels, and below sections using approved quality materials . All test reports to be provided along with the supply of the materials.

Above 300 mm Joists, 350 mm channels, sections using approved quality materials. All test reports to be provided along with the supply of the materials.

Providing Structural steel work in M.S Plain Plates and chequrred Plates for Embedded Parts, Trench Covers, Connection plates etc.including cutting, hoisting, fixing in position and applying a priming coat of approved zinc chromate steel primer etc.including cost of structural steel Plates, welding all labour charges etc. complete as per drawings and specifications using approved quality material, only using virgin materials. All test reports to be provided along with the supply of the materials

Providing and fixing hand rail of approved size by welding etc. to steel ladder railing, balcony railing & staircases railing including applying a priming coat of zinc chromate steel primer etc. using ISI Marked MS hollow / circular / square / rectangular tubular sections of specified diameter and thickness complete as per specifications and as directed by the EIC.

Providing and fixing galvanised steel metal deck floor with ribbed profile of approved design, roofing of 1.2 mm minimum thickness and of 345MPa grade single profile sheets of approved size, shape and pitch of corrugation and having a minimum zinc coating as per IS 277 as approved by Engineering In Charge. The sheet should be supplied in single length upto 12 meter or as directed by Engineer In Charge. The sheet shall be fixed using self drilling/ self tapping screws of size (5.5 x 55mm) with EPDM seal complete upto any pitch in horizontal/vertical or curved surfaces including cutting to size and shape whenever required, cost of "L" shaped GI sides for concrete formwork, complete as per specifications as directed by Engineer-in-charge. The cost of supporting system consisting of purlins, rafters and trusses will be paid under the relevant item.

Providing and fixing Stair case/ tread/Riser/hand rail/Grating /Basin/Cover using 304 grade Stainless Steel pipes/ Plates or any other shape of approved size and quality by TIG welding, mirror / matt polishing, fixing at site etc. for staircase/shower rooms/drainage system including special sections as per drawings, specifications. A sample to be fabricated and to be got approved by the Engineer-in-Charge before starting of work at site. This work to be executed through approved qualified welder etc., complete as per specifications as directed by Engineer-in-charge.

REINFORCEMENT STEEL Notes: 1) 1.2mm dia annealed GI coated (20 micron to 40 micron) 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-500EQR/Fe550D 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-500EQR/Fe550D.

Supply and fixing in position 25x25x3mm G.I. Crimpnet Gate Jalli to MS angle/ Box frame. Cost including necessary hinges, locking arrangements, tower bolts etc. complete as per specifications and as directed by Engineer-in-charge.(MS angle/ Box Frame will be measured and paid seprately under relevant item)

Supply and fixing in position 50x50x3mm G.I. Crimpnet Gate Jalli to MS angle/ Box frame. Cost including necessary hinges, locking arrangements, tower bolts etc. complete as per specifications and as directed by Engineer-in-charge.(MS angle/ Box Frame will be measured and paid seprately under relevant item)

Drilling suitable holes in reinforced or plain cement concrete with power driven drill machine to a minimum depth of 100 mm upto 200 mm as per requirement in RCC beams, walls, columns and slabs to introduce steel bars for fixing Eps or other structural members including fixing the steel bars in position using epoxy resin anchor grout but excluding the cost of reinforcement, all complete as per direction of Engineer-In-Charge.

12 MM diameter

16 MM diameter

Brick masonry work using 30 to 40mm thick Fly ash/ FAL-G bricks(confirming to IS 12894)/tiles of approved quality having minimum crushing strength 60 Kgs/Sq.cm and water absorption of maximum 20% fixing on RCC walls with polymer modified adhesive etc. all complete as per specifications and as directed by Engineer-in-charge.

Providing 12 mm thick Internal plastering in cement mortar 1:4 without cement punning finished smooth, including sieving of sand to required fineness, preparation of the surface, scaffolding, curing all as per specifications, drawings and as directed at site complete

PAINTING WORKS Notes: 1) All external/internal painting works will have to be done with erecting double tubular steel scaffolding only. No jhoola/Bhada shall be permitted. 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 and Painting two coats of synthetic enamel paint including one primer coat on steel surfaces of approved quality 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

Providing and Painting with Epoxy PU paint using 2 coats of (120 Micron dry film thickness) Epoxy PU high build coating as finishing coat over a priming coat of EPILUX-13 High Build primer of 50 micron thickness over steel surfaces at all locations prepared and applied as per manufacturer' specifications including preparation of surface by cleaning with wire brush and rubbing, scraping , applying sand paper , making free of Rust, dust, dirt etc. filling the holes, joint, cracks if any using epoxy putty complete. all as per manufacturers technical data and as directed at site to achieve minimum overall dry Film thickness of 170 micron (50 Micron primer Coat + 120 micron finishing Coat) on STEEL surfaces.

Dismantling of RCC works carefully manually without damaging adjacent structures excluding cutting of reinforcement including stacking of steel reinforcement bars and disposal of unserviceable materials within 200 m lead as per direction of Engineer-in-charge

Dismantling plain cement concrete manually / by mechanical means carefully without damaging adjacent structures including disposal of debris within 200 m lead as per direction of Engineer-in charge

Prepare even, smooth, line and level surfaces of RCC walls, slabs, beams, columns etc. through chipping and/ or grinding upto 25mm depth with manual Chisel/grinder and/ or by standard power driven percussion type, including cleaning the exposed concrete surface with wire brushes,water; and finishing the surfaces with polymer based cement mortar/GP2, curing; disposal of debris for all lead and lifts etc. all complete as per direction of Engineer-In-Charge

Providing 20 mm thick water proof plastering in cement mortar 1:3 (using river sand) finsihed smooth with a floating coat of neat cement including approved water proofing compound added @ 2% by weight of cement or as per manufacturer's specifications, sieving of sand to required fineness, preparation of surface, scaffolding at all heights, curing all as per specifications, drawings and as directed by the Engineer In Charge.

Providing , supplying, and fixing 150mm dia rain water down take pipes using Galvanized Iron 'C' class by welding the joints including required bends,reducer 200 to 150 mm Dia etc . and fixing in walls / columns with M.S clamps & "C"- clamps all as per drawing, specifications and as directed by the Engineer-in-charge but excluding painting the pipes

SUDDAPALLI HARI KUMAR VENKATA (BID ID -3187399)