BARC (V)/CES/NABTD Fence/119, Dated 17.04.2023

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 BASIN slab and "Superstructure"refers to the part of structure above the top of BASIN 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 for processing of the same.

General Notes for Earth Work Excavation Items: 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.

General Notes for PCC, RCC & Form Work Items: 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 (corboxalite based superplasticizers) 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 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.

Providing and laying in position cement concrete of 1:3:6 (1 cement, 3 river sand/ crushed stone sand, 6 graded stone aggregate of maximum size 20 mm) at all elevations including 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.

General Notes for Structural steel Items: 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) 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) 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.

Providing Structural steel Upto and including 300 mm Joists, 350mm channels, and below sections using angles, channels, joists and other sections, welded and /or bolted in builtup sections for trusses, structural steel floors, frame works, mono rails 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. All test reports to be provided along with the supply of the materials

Providing and fixing GI chainlink fabric fencing Made of GI wire of dia 4mm of required width in mesh size 50x50mm including strengthening with 2mm dia wire or nuts, bolts and washers as requeid complete as per direction of Engineer-in-charge.

Providing and painting two coats on steel surfaces with synthetic enamel paint of approved make and required colour to give an even shade over a red oxide zinc chromate primer Coat including preparation of the surfaces, scaffolding complete all as per technical specifications as directed by Engineer-in-charge.

PYLA CONSTRUCTIONS

SreeKamakshiEngineeringWorksandSupplies

SKML CONSTRUCTIONS