Supply Of Precautionery Materials And Repairs And Maintenance Of Water Supply Motors And Powe Saw For Flood Affected Area During North East Monsoon In Zone-2 Office, tambaram-Tamil Nadu

Supply Of Precautionery Materials And Repairs And Maintenance Of Water Supply Motors And Powe Saw For Flood Affected Area During North East Monsoon In Zone-2 Office- 1 Supplying and erecting Centering and Shuttering for soffits including necessary supports and strutting up to 3 M height for plane surfaces as detailed below in all floors with all cross bracings using Mild Steel sheets of size 90 x 60 cm and 10 BG stiffened with welded Mild Steel angle of size 25mm x 25mm x 3 mm for boarding laid over silver oak joists of size 10cm x 6.50 cm spaced at about90 cm centre to centre and supported by casurina props of 10cm to 13 cm dia spaced at not more than 75 cm centre to centre etc. complete complying with the standard specification.(Payment for centering shall be given after the concrete is laid). 2 Footing, Plinth Beam, etc. 3 Plain surfaces such as roof slab, floor slab, beams, lintels, loft, sill slab, staircase waist, portico slab and other similar works. 4 Square and rectangular columns and small quantities such as sunshades, parapet cum drops, window boxing, fin projections and other similar works. 5 Providing and laying in position,M-20 Grade in accordance with IS:456-2000, using 20mm and down grade hard broken granite stone jelly for all RCC Items of works with minimum cement content of 350kg/m3 and maximum water cement ratio of 0.50, including admixture (Plasticiser / super plasticiser) in recommended proportions as per IS:9130 to accelerate, rated setting of concrete, improve workability without impairing strength and durability with about (5.0 cu.m) 7730kg. of 20mm machine crushed stone jelly and with about (3.3cum) 5156 kg. of 10-12mm machine crused stone jelly and with about (4.79cum) 7670 kg of sand, but excluding cost of reinforcement grill and fabricating charges, centering and shuttering and also including laying, vibrating with Mechanical vibrators, finishing, curing, etc.,and providing fixtures like fan clamps in the RCC Floor / roof slabs wherever necessary without claiming extra, etc., Complete complying with standard specification and as directed by the departmental officers. The coarse and fine aggregates to be used should comply with the requirements of IS Standards. (No Separate payment will be made by the Department for the excess usage of materials). 6 Foundation & Basement 7 Ground Floor 8 Steel - Fe 500 D: Supply, fabrication and placing of reinforcement steel of high yield strength ribbed bars of various diameters and grade conforming to IS 1786 for reinforced concrete work. The work includes recoiling, straightening, cutting, bending, fabricating, and placing in position, at all levels including lead and lift, according to drawings, specifications etc. complete and supply & use of 18G black annealed binding wire double fold to tie the bars in position and providing precast cement/ PVC cover blocks for main reinforcement to ensure specified cover and complete., including all labor charges etc as directed by departmental officers. 9 Brick work in CM 1:5 (one cement & Five Crushed Stone Sand (M- Sand)) using II class ground moulded bricks of size 9 X 43/8X 2 3/4 including finishing, curing, etc., complete complying with standard specification - 100CFT 10 Forfoundation & basement 11 Add Extra for Ground floor 12 GroundFloor 13 Forfoundation & basement 14 Add Extra for Ground floor 15 GroundFloor 16 Forfoundation & basement 17 Add Extra for Ground floor 18 GroundFloor 19 GroundFloor 20 Forfoundation & basement 21 Add Extra for Ground floor 22 GroundFloor 23 Forfoundation & basement 24 Add Extra for Ground floor 25 GroundFloor 26 Add Extra for Ground floor 27 Terrace Floor

Sr No	CorrigendumDate	Corrigendum	CorrigendumType	NewSubmissionDate
1	12-08-2025	Date Extention	Date	18-08-2025

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