Maintenance and repair work and construction of valve chamber fixing of DI sluice valve at Union bank colony ward office near OHT in ward 1

Amount

Dismantling the existing Damaged Reinforced cement Concrete surface the chipping materials clearing away from the site and cleaning etc., complete

Picking the existing cement plaster surface the chipping materials clearing away from the site and cleaning etc., complete

Supplying and erecting centering for sides and soffits including necessary supports and strutting upto 3.29 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 abote 90 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 specificaiton. (Payment for centering shall be given after the concrete is laid) Centering For Bottom only

Providing and laying in position Standardized Concrete Mix M-20 Grade in accordance with IS 456-2000 using 20mm and downgraded hard broken granite stone jelly for all RCC of works with minimum cement concrete 0f 325 kg/m3 and maximum water cement ratio of 0.55 including admixture ( Plaster / super plasticizer ) in recommended proportions as per IS : 9103 to accelerate, retard setting of concrete improve workability without imagining strength and durability with about (5.0cu.m) 7730 kg of 20mm machine crushed stone jelly and with about (3.3 cum) 5156 kg of 10-12mm machine crushed stone jelly and with about (4.79 cum) 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). For First Floor

Plastering with cement mortar (1:3) 20 mm thick in all floors including cost and conveyance of all materials to site and labour charges etc., complete complying with standard specifications.

Providing two legged scaffolding using suitable sizes of casurina posts of 1.50cm over all length 3m height + 0.50 lap) The distance between the two rows being 2m and the spacing of posts being 2m in both rows with two horizontal posts with 0.50m.over lap on either side and braces at 2m C/C including longitudinal and transwere middle of 40mm thick and 1m width etc.in complete shape using coir and nails and as directed by the Departmental Officers.

Supply And Delivery Of CI D/F Sluice Valve With Cap/ Wheel As Per Is 14846/2000 PN 1.0 With Isi Marking And With 5 Years Warranty 300 mm CI D/F Sluice Valve

Earth work excavation for foundation in Hard stiff clay, stiff black cotton, hard red earth, shales murram, gravel,stoney earth and earth mixed with small size boulders SS.20B and Sand, silt or other loose soil, wet sand,or silt not under water, light black cotton soil, sandy loam ordinary soil and to full depth as may be directed except in hardrock requiring blasting inclusive of shoring shuttering and baling out water and cleaning and levelling the site etc.,complete 10 cum

Supplying and filling in foundation and basement with filling Quarry Dust in layers of not more than 15cm.thick well rammed watered and compacted etc., complete complying with standard specification.

Plain Cement Concrete 1:4:8 (one cement four fine aggregates and eight coarse aggregates) using 40mm size ISS HBG metal including cost and conveyance of all materials to site and including for the mixing, laying and labour charges and all incidential charges such as water providing etc., complete as per standard specification

Brick work in CM 1:5 (one cement & five sand) using III class country bricks of size 83/4"X41/4"X 21/4" including finishing, curing, etc., complete complying with standard specification - 100CFT For Basement Floor

Plastering with cement mortar (1:5) 12mm ,thick in all floors including cost and conveyance of all materilas to site and labour charges etc,complete as per standard specifications (S.I.306)

Manufacturing and fixing in position RCC precast slab in C.C. 1:1.5:3, using 20 mm HBGS machine crushed jelly of following thickness, excluding cost of reinforcement grill but including moulding, finishing, curing and fixing in position etc. Complete. 100mm Thick

Suppling and fabricating and placing in position MS (or) R.T.S. bar for reinforcement to all RCC works as per the design given including cost of steel and binding wire also in all floors.

R.C.C.Jolly by a new of following size in R.C.C. 1:1.5:3 using 20mm gauge hard broken granite stone jelly and river sand excluding cost of reinforcement but includingcharges,fabrication charges curing neat finishing and labour charges for fixing the jolly in position with standard spefication

Painting old wall surface with Two coat of Plastic Emulsion paint of approved quality including cleaning of plaster surface with soap soda and water by manual labour.

Add GST 18%

R A SUNDARRAJAN (BID ID -1168791)