BARC (V)/CES/M Terrace /112, Dated 08.12.2022

Amount

General Notes: 1) 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) 2) The make/model/brand for all the BOQ items shall be as per suggestive makes of Annexure-B of Section-VII of the tender document. These makes are merely for guidance and bidders can prefer any other make which is meeting technical specifications given under Section-V and Schedule of Quantities of Tender document and shall confirm to the relevant BIS codes and other relevant codes. However, the bidder may suggest any equivelent make/ model/brand meeting technical parameters on or before pre-bid conference for approval of BARC(V). 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 pre- approved RMC plants of the BARC subject to maintain required retention period by adopting extent suitable Mix Design. No extra payment will be made if concrete is brought from RMC plants outside the project area. 6) Manufacturer's Test certificate of cement which is procured from dealer/company is to be submitted for all cement related works by the contractor. 7) "Substrcture" referes to the part of structure upto top level of ground floor grade slab and "Superstructure"refers to the part of structure above the top of the ground floor grade slab. 8) The Scope of works which are not included in any specific items but indicated in the document "General Scope of all works" shall be within the scope of overall contract works. The cost of work/item/material indicated in this document shall be deemed to be included in the quoted rates of all individual items. 9) The quoted rates shall include necessary royalties, seigneiorage charges,etc. and all other charges to supply all the required construction materials. The contractor has to submit all royalty /seigneiorage slips,etc before/along with the RA bills. 10) For all standards and code of practices, specifications, like Indian Standard, MORT&H, ASTM, etc. refer only latest revisions including all applicable amendments, revisions and additional publications (during contract period) and these have to be followed.

11)Prior approval for source of all construction materials by submission of relavent test certificates, documents, invoices etc. have to be taken from BARC. 12) All the tests mentioned in Quality Assurance Plan(QAP) should be carried out without any extra cost. 13) Rate quoted for RCC items shall include cost of relevant design mix and testings 14) The detailed specification of PH works are indicated in respective items and specification documents.

Providing and laying design mix reinforced cement concrete of M30 Grade for super structure at all levels 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. 2)Temparature raised due to heat of hydration shall be kept within limits in raft/mass concrete by keeping proper curing mechanism.

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 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. For Super Structure, Clear storey height ≤ 6m

Providing centering and shuttering for RCC walls, columns & beams connecting to walls and all wall connecting members using good quality densified film-faced Plywood so as to produce neat form finished concrete surfaces for all lelvels, with steel staging system formwork will have to be used for all structural elements, including strutting and propping etc. at all levels / heights including clear storey 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.

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-500EQR 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.

Supply, fabrication, and fixing in position the MS embedded parts of weighing not more than 100 Kgs. 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.

Supply and installation of SCH10 SS 304L of 500mm length pipes of sizes 50 NB to 300 NB as per technical specifications,drawings and as directed by BARC

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.

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 and Placing in position suitable PVC water stops, Serrated with central bulb (225 mm wide) 8 mm thick confirming to IS 12200/15058 for construction / expansion joints between two RCC Members and fixed to the reinforcement with binding wire before pouring concrete, including joint welding by approved method or as recommended by manufacturer etc. all as per the specifications and as directed by the Engineer-in-charge.

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.

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.

General Notes for Waterproofing : 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, testing of the surfaces prior to start the work, after completion and after a period of one month after completion by ponding, 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 and applying 20mm thick waterproofing plastering to the concrete and masonry surfaces, of water tanks/tanks with cement mortar of ratio cement mortar 1:4 (1 cement : 4 screened river sand) mixed uniformly by machine with approved polypropylene fibres and mixing of approved water proof compound as per recommendations of the approved manufacturer or as directed by the Engineer-in-charge, including raking out joints, hacking concrete surfaces and applying with approved chemical bonding agent, preparing junctions of concrete / masonry by neat cleaning, grouting with non-shrink mortar etc., at all heights and depths, leads and lifts, curing, etc. complete as directed by Engineer-in-charge. cost including conduting the water tightness test by filling and storing the water for 72 hours.

a) System shall consist of preparation of surfaces including ‘V’ grooves at junctions and joints, pressure grouting the same and curing. b) Applying cement slurry admixed with approved bonding agent recommended by manufacturer and allowed to cure. c) Walls plastering and finished smooth with about 20 mm thick with cement mortar 1:4 (1 cement : 4 screened river sand) using recommended proportion of waterproofing compound and polypropylene fibers. d) Making required wattas, rounding of corners; with 1:4 (1 cement : 4 screened river sand) admixed with waterproofing compound of recommended proportion and making junctions with walls and floor finished smooth, including and cured. e) Tank shall be tested by filling the water and maintaining it for 72 hrs. to check leakages. Contractor shall provide 10 year guarantee for waterproofing on approved proforma.

Providing and fixing G.I. Puddle flanges (Inlet and Outlet) of specified diameter and upto 600 mm long pipe with 6 mm thick Galvanised MS sheet welded with pipe as per the drawings, fixed on RCC wall of OHT for overflow, drain, inlet and outlet, including threading (wherever required) complete as per drawing & directions of the Engineer-in-charge.

32 mm dia

40 mm dia

50 mm dia

100 mm dia

Providing, supplying, and fixing 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.

100 mm n/b G.I. Pipe

150 mm n/b G.I. Pipe

Providing and fixing G.I pipe sleeves 600 mm long of specified size with Puddle Flange of specified size for rain water down takes to be embedded in RCC slabs/ RCC roof Gutters to connect Rain water pipes by welding or with screwed sockets complete all as per drawing, specifications and as directed by Engineer-in-charge. (These sleeves to be fabricated and embedded at the time of concreting in true vertical)

Heavy Quality 'C' Class 100 mm n/b G.I pipe with 200mm x 200mm Puddle flange

Heavy Quality 'C' Class 150 mm n/b G.I pipe with 250 mm x 250 mm Puddle flange

Providing C.I dome grating. complete as per specification for diameters 75 mm, 100 mm, 150 mm & 200 mm n.b..

Supply and fixing of Cast Iron rungs, covers, frames and other fixtures as per drawing and as directed by EIC. Cost inclusding all leads and lifts, labour charges etc. for complete item of work as per specifications.

Supply and installation of 25mm dia MS conduit with accessaries of 50mm dia junction box(1/2/3/4), coupler, T joints, bends etc., as per site requirement. Bare copper conductor of 14swg is to be run all along conduit. The copper conductor has to be coupled with junction boxes with screw and nut. it has to be dropeed to flush boxes and connected to the same. Complete item of work as per technical Document No. : CON-001 and as directed by the Engineer in charge.

Supply and installation of 25mm dia MS conduit with accessaries of 50mm dia junction box(1/2/3/4), coupler, T joints, bends etc., as per site requirement. Complete item of work as per technical Document No. : CON-001 and as directed by the Engineer in charge.

Supply and installation of 50mm dia junction box(1/2/3/4) and a minimum depth of 75mm suitable for 25mm dia MS conduits. Complete item of work as per specifications and as directed by the Engineer in charge.

Supply and installation of following metal flush box as per technical as per Technical Document No: MB Flush Box 001 and as directed by the engineer in charge

2 modular metal flush box

3 modular metal flush box

6 modular metal flush box

Supply and installation of 7 segment DBs as per tender specifications Document No. : 06046A and as directed by the engineer in charge

6 way TPN DB

12 way TPN DB

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