BARC (V)/CES/ Repairs boundary /118

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 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) 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. 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) The contractor has to submit all royalty /seigneiorage slips,etc for all the naturally available construction materials before submitting the RA bills.

General Notes for Earth Work Excavation: Note : The rate quoted for earth work excavation by contractor is deemed to have included the following points (a) to (j) a) removal of all kinds of vegetation, small shrubs, light/heavy jungle, trees etc., alongwith roots, including disposal/stack in the identified location. b) shoring, strutting, stepping, dressing, grading required for keeping the earth in position on sides of trenches with approved timber/steel accessories wherever necessary to prevent sides from falling including bailing or pumping out of water if necessary including removal of debris/unserviceable materials and excavated excess soil, if any. c) dewatering of both ground and surface water, including removal of slurry generated while excavation and keeping the area free from water, to be let out of the building area through proper pipes & channels if required by suitable pumps, d) watering, ramming and thoroughly consolidate the bottom of all excavations & ground before the construction of foundation/footing/plinth beam, filling in basement or other work is commenced.

e) the loose pockets shall be excavated and compacted after back filling as directed by Engineer-in-charge, as per detailed specification and conforming to safety rules during progress of the work. f) Contour levels to be taken jointly with the Engineer-in-charge and prior written approval be taken before starting any excavation/ filling at every 3 m grids for arriving at the actual quantity, g) Backfilling will be done in layers of thickness as specified below. h) Cost inclusive of necessary royalties, seigneiorage charges and other charges to supply all the required construction materials, i) cost of items shall include all labour charges, hire charges of machinery, lubricants, fuels and tests etc. j) Measurement/Payment will be reststicted to PCC/drawing dimensions only.

Clearing Jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth up to 30 cm measured at a height of 1m above ground level and removal of rubbish up to a distance of 50 m / outside the periphery of the area cleared as per specifications and as directed by the Engineer-in-charge

From 0.00m to 1.50m below average GL

From 1.50 m to 3.00m below average GL

From 3.00m to 4.50m below average GL

Embankment/Subgrade construction for road using the sources within the campus with all type of soils including boulders including excavation at source with hydraulic excavator at all levels, formation, construction of embankment/ subgrade/ shoulder/ side slopes of embankment with same excavated soil including loading,Transporting, unloading to embakment site with following lead, spreading in layers and compacting each layer with 8 to 10 tonne power capacity vibratory power roller to acheive 95% proctor density,making suitable temperory approach road for the movement of excavator, tipper, dumper and other equipments, dewatering if required all as per drawings, specifications and as directed by the Engineer-In-charge. (a) With a lead above 5000 metres upto 6000 metres

Construction of Granular Sub base by providing machine crushed graded material conforming to Grading V of Table 400-1 & physical requirements as per Table 400-2 of MORTH Fifth Revision including spreading in uniform thickness with motor grader on prepared surface, mixing in a mechanical mix plant at OMC and compacting with vibratory roller to achieve the desired density complete as per specification etc. including cost and conveyance of all materials of specified sizes, seigniorage charges, water etc. to site, labour charges for all operations, hire and operational charges of power roller and other T&P all taxes etc. complete all as per drawings, specifications and as directed by the Engineer-In-charge.

Providing and laying in position cement concrete of 1:3:6 (1 cement, 3 river Coarse river sand/ crushed stone sand, 6 graded stone aggregate of maximum size 20 mm) at all elevations including for roads. 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 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. 2)Temparature raised due to heat of hydration shall be kept within limits in raft/mass concrete by keeping proper curing mechanism.

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. 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, centering, shuttering Form work using steel plates, timber planks for all types of structures 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 at all levels. Notes: 1) This item is applicable for all PCC and RCC structural elements like footings, beams, columns, slabs, lintels, chajjas, walls etc., for all shapes, 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.

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 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 and laying crusher dust bedding below hume pipes and on sides passing through 5.6mm seive or any other places as complete all as per drawings, specification and as directed by Engineer-In-charge. Cost including supply of materials and labour.

Dewatering by pumping out water collected by natural drain /rain fall including providing sump wherever necessary, including mobilisation of machinery, cost of all materials, labour, fuel charges, drainage of water and all other ancillary operations at all leves etc., complete

Providing and fixing of 160mm dia PVC pipes conforming to relevant lS type B and PVC SWR fittings & specials conforming to relevant IS including jointing with seal ring / 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

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 @ minimum1.43 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, supplying, cutting, welding, fabricating, hoisting and fixing in position structural steel members for pergolas, gates etc. using MS hollow circular / square / rectangular Sections along with the associated connections of approved quality including appling a coat of Zinc chromate primer all as per Technical specifications, drawings, complete all as per drawings and specifications and as directed by the Engineer-in-Charge.

Providing Structural steel work in M.S. plain plates and chequered plates in 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 of all thicknesses, welding all labour charges etc., Structural steel plates to be used shall be of approved quality, complete all as per drawings and Technical specifications and as directed by the Engineer-in-Charge. All necessart test reports of the supplied material are to be submitted by the contractor.

Providing Structural steel work using angles, channels, joists 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, complete all as per drawings and Technical specifications and as directed by the Engineer-in-Charge. Up to and including 300 mm Joists, 350 mm channels, and below Sections. All test reports to be provided along with the supply of the materials.

Providing and fixing precoated Galvalume Roofing 0.50 mm Thickness in Single sheet & profile sheets of approved size, shape and pitch up to and including single length of 12.00 metre. The sheet shall be fixed using self drilling / self tapping screws of size (5.5 X 55 mm) with EPDM seal or with polymer coated J or L hooks, bolts and nuts 8 mm diameter with bitumen and G.I. limpet washers filled with white lead complete upto any pitch in horizontal / vertical or curved surfaces excluding the cost of purlins, rafters and trusses and including cutting to size and shape. This item would also include the galvalume roofing accessories using self drilling/ self tapping screws or with polymer coated J or L hooks, bolts and nuts and or G.I. seam bolts and nuts, G. I. plain and bitumen washers.

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

J SURYANARAYANA

GVS Projects Pvt Ltd

Rajyalakshmi Builders