15th finance 2023-24 Tied IInd - OHT maintenance

Amount

Earth work excavation and depositing on bank with an initial lead 10m and lift of 2m the following classification of soils, bailing out water wherever necessary including providing danger lights etc., and as directed as per standard specification SS 20B and special specification. Hard stiff clay stiff block cotton hard red earth shales murrams gravely stoney earth mixed with 50% small size boulders and hard gravelly soils etc., complete as per as standard specifications and as directed by Officers.

Plain Cement concrete 1:4:8 (One cement four sand and eight course aggregates of 40mm size hard blue granite broken stone) for leveling course for foundation including the cost of mixing placing the concrete in position cosolidating finishing and curing etc., complete

Reinforced cement concrete 1:1 1/2:3 (one cement one and half sand and three aggregate) using 20mm size ISS metal including cost conveyance of materials to site and all labour charges etc. mixing laying consolidating curring etc. complete

Below GL upto 1.50m Depth

Above G.L. 0 to 4.50m height

Above G.L. 4.50m to 7.32m height

Above G.L 7.32m to 10.98m height

Above G.L 10.98m to 14.64m height

Supplying and erecting steel centering for sides and soffits including supports and strutting upto 3.29m height for plain surface as RCC slab, rectrangular tee (or) elbeams, lintel, bed block staircase waist slab, landing slab etc. complete as per standard specification

Plain Surface

0 to 3.30m height

Square column

Below G.L & upto 3.30m height

3.30m to 4.30m height

4.30m to 5.30m height

5.30m to 6.30m height

6.30m to 7.30m height

7.30m to 8.30m height

8.30m to 9.30m height

9.30m to 10.30m height

10.30m to 11.30m height

Chipping the concrete and roughening the surface

Plastering in cement mortar 1:3 (one cement three sand) using 20mm thick including cost and conveyance of all materials and labour charges etc, complete as per standard specification.

Painting two coats with ready mixed Plastic Emulsion paint of approved quality and colour over a priming coat, including thorough scraping, clean removal of dirt, etc. complete and including necessary plaster of paris, putty, wherever required including cost and conveyance of all materials etc. and all labour charge etc. complete

Supply and fixing of RCC Hand Rail of height 1.00m including cost of all materials and labour charges etc complete

Painting of GI pipes and specials with ready mixed enamel paint including all cost and conveyance etc. complete.

Providing two legged scaffolding using 15cm blue gun posts or casurina props or best quality bamboo posts at 4m overall length, the distance between two rows being 1.25m and the spacing of posts 2m in both the rows with two horizontal posts with 0.5moverlap on either side and braces at 2m c/c including longitudinaland traverse middlebraces to stepup as providing platform withcountry wood planks of 40mm thick and 1m width etc in a complete

Upto height 18.00m

Upto height 13.00m

Supplying, fabricating and placing in position of mild steel or TMT rods, including cost of steel and binding wire and all labour charges for cutting, bending, tying and placing in position etc. complete

Labour Charges for dismantling the pipe connection before maintanance of OHT including cost of all materials and labour charges etc complete

Labour Charges for reconnecting of pipe connection after maintanance of OHT including cost of all materials and labour charges etc complete

Writing of scheme details of the side wall of the OHT including cost of all materials and labour charges etc complete

S.P.SUTHA (BID ID -1073426)